HTML Examples/WP.iso/wordpress/wp-includes/js/media-views.js

JavaScript | 2018-01-31 | 234.3 KB | 9,196 lines

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/******/ (Array(26).concat([
/* 26 */
/***/ (function(module, exports, __webpack_require__) {

var media = wp.media,
    $ = jQuery,
    l10n;

media.isTouchDevice = ( 'ontouchend' in document );

// Link any localized strings.
l10n = media.view.l10n = window._wpMediaViewsL10n || {};

// Link any settings.
media.view.settings = l10n.settings || {};
delete l10n.settings;

// Copy the `post` setting over to the model settings.
media.model.settings.post = media.view.settings.post;

// Check if the browser supports CSS 3.0 transitions
$.support.transition = (function(){
    var style = document.documentElement.style,
        transitions = {
            WebkitTransition: 'webkitTransitionEnd',
            MozTransition:    'transitionend',
            OTransition:      'oTransitionEnd otransitionend',
            transition:       'transitionend'
        }, transition;

    transition = _.find( _.keys( transitions ), function( transition ) {
        return ! _.isUndefined( style[ transition ] );
    });

    return transition && {
        end: transitions[ transition ]
    };
}());

/**
 * A shared event bus used to provide events into
 * the media workflows that 3rd-party devs can use to hook
 * in.
 */
media.events = _.extend( {}, Backbone.Events );

/**
 * Makes it easier to bind events using transitions.
 *
 * @param {string} selector
 * @param {Number} sensitivity
 * @returns {Promise}
 */
media.transition = function( selector, sensitivity ) {
    var deferred = $.Deferred();

    sensitivity = sensitivity || 2000;

    if ( $.support.transition ) {
        if ( ! (selector instanceof $) ) {
            selector = $( selector );
        }

        // Resolve the deferred when the first element finishes animating.
        selector.first().one( $.support.transition.end, deferred.resolve );

        // Just in case the event doesn't trigger, fire a callback.
        _.delay( deferred.resolve, sensitivity );

    // Otherwise, execute on the spot.
    } else {
        deferred.resolve();
    }

    return deferred.promise();
};

media.controller.Region = __webpack_require__( 27 );
media.controller.StateMachine = __webpack_require__( 28 );
media.controller.State = __webpack_require__( 29 );

media.selectionSync = __webpack_require__( 30 );
media.controller.Library = __webpack_require__( 31 );
media.controller.ImageDetails = __webpack_require__( 32 );
media.controller.GalleryEdit = __webpack_require__( 33 );
media.controller.GalleryAdd = __webpack_require__( 34 );
media.controller.CollectionEdit = __webpack_require__( 35 );
media.controller.CollectionAdd = __webpack_require__( 36 );
media.controller.FeaturedImage = __webpack_require__( 37 );
media.controller.ReplaceImage = __webpack_require__( 38 );
media.controller.EditImage = __webpack_require__( 39 );
media.controller.MediaLibrary = __webpack_require__( 40 );
media.controller.Embed = __webpack_require__( 41 );
media.controller.Cropper = __webpack_require__( 42 );
media.controller.CustomizeImageCropper = __webpack_require__( 43 );
media.controller.SiteIconCropper = __webpack_require__( 44 );

media.View = __webpack_require__( 45 );
media.view.Frame = __webpack_require__( 46 );
media.view.MediaFrame = __webpack_require__( 47 );
media.view.MediaFrame.Select = __webpack_require__( 48 );
media.view.MediaFrame.Post = __webpack_require__( 49 );
media.view.MediaFrame.ImageDetails = __webpack_require__( 50 );
media.view.Modal = __webpack_require__( 51 );
media.view.FocusManager = __webpack_require__( 52 );
media.view.UploaderWindow = __webpack_require__( 53 );
media.view.EditorUploader = __webpack_require__( 54 );
media.view.UploaderInline = __webpack_require__( 55 );
media.view.UploaderStatus = __webpack_require__( 56 );
media.view.UploaderStatusError = __webpack_require__( 57 );
media.view.Toolbar = __webpack_require__( 58 );
media.view.Toolbar.Select = __webpack_require__( 59 );
media.view.Toolbar.Embed = __webpack_require__( 60 );
media.view.Button = __webpack_require__( 61 );
media.view.ButtonGroup = __webpack_require__( 62 );
media.view.PriorityList = __webpack_require__( 63 );
media.view.MenuItem = __webpack_require__( 64 );
media.view.Menu = __webpack_require__( 65 );
media.view.RouterItem = __webpack_require__( 66 );
media.view.Router = __webpack_require__( 67 );
media.view.Sidebar = __webpack_require__( 68 );
media.view.Attachment = __webpack_require__( 69 );
media.view.Attachment.Library = __webpack_require__( 70 );
media.view.Attachment.EditLibrary = __webpack_require__( 71 );
media.view.Attachments = __webpack_require__( 72 );
media.view.Search = __webpack_require__( 73 );
media.view.AttachmentFilters = __webpack_require__( 74 );
media.view.DateFilter = __webpack_require__( 75 );
media.view.AttachmentFilters.Uploaded = __webpack_require__( 76 );
media.view.AttachmentFilters.All = __webpack_require__( 77 );
media.view.AttachmentsBrowser = __webpack_require__( 78 );
media.view.Selection = __webpack_require__( 79 );
media.view.Attachment.Selection = __webpack_require__( 80 );
media.view.Attachments.Selection = __webpack_require__( 81 );
media.view.Attachment.EditSelection = __webpack_require__( 82 );
media.view.Settings = __webpack_require__( 83 );
media.view.Settings.AttachmentDisplay = __webpack_require__( 84 );
media.view.Settings.Gallery = __webpack_require__( 85 );
media.view.Settings.Playlist = __webpack_require__( 86 );
media.view.Attachment.Details = __webpack_require__( 87 );
media.view.AttachmentCompat = __webpack_require__( 88 );
media.view.Iframe = __webpack_require__( 89 );
media.view.Embed = __webpack_require__( 90 );
media.view.Label = __webpack_require__( 91 );
media.view.EmbedUrl = __webpack_require__( 92 );
media.view.EmbedLink = __webpack_require__( 93 );
media.view.EmbedImage = __webpack_require__( 94 );
media.view.ImageDetails = __webpack_require__( 95 );
media.view.Cropper = __webpack_require__( 96 );
media.view.SiteIconCropper = __webpack_require__( 97 );
media.view.SiteIconPreview = __webpack_require__( 98 );
media.view.EditImage = __webpack_require__( 99 );
media.view.Spinner = __webpack_require__( 100 );


/***/ }),
/* 27 */
/***/ (function(module, exports) {

/**
 * wp.media.controller.Region
 *
 * A region is a persistent application layout area.
 *
 * A region assumes one mode at any time, and can be switched to another.
 *
 * When mode changes, events are triggered on the region's parent view.
 * The parent view will listen to specific events and fill the region with an
 * appropriate view depending on mode. For example, a frame listens for the
 * 'browse' mode t be activated on the 'content' view and then fills the region
 * with an AttachmentsBrowser view.
 *
 * @memberOf wp.media.controller
 *
 * @class
 *
 * @param {object}        options          Options hash for the region.
 * @param {string}        options.id       Unique identifier for the region.
 * @param {Backbone.View} options.view     A parent view the region exists within.
 * @param {string}        options.selector jQuery selector for the region within the parent view.
 */
var Region = function( options ) {
    _.extend( this, _.pick( options || {}, 'id', 'view', 'selector' ) );
};

// Use Backbone's self-propagating `extend` inheritance method.
Region.extend = Backbone.Model.extend;

_.extend( Region.prototype,/** @lends wp.media.controller.Region.prototype */{
    /**
     * Activate a mode.
     *
     * @since 3.5.0
     *
     * @param {string} mode
     *
     * @fires Region#activate
     * @fires Region#deactivate
     *
     * @returns {wp.media.controller.Region} Returns itself to allow chaining.
     */
    mode: function( mode ) {
        if ( ! mode ) {
            return this._mode;
        }
        // Bail if we're trying to change to the current mode.
        if ( mode === this._mode ) {
            return this;
        }

        /**
         * Region mode deactivation event.
         *
         * @event wp.media.controller.Region#deactivate
         */
        this.trigger('deactivate');

        this._mode = mode;
        this.render( mode );

        /**
         * Region mode activation event.
         *
         * @event wp.media.controller.Region#activate
         */
        this.trigger('activate');
        return this;
    },
    /**
     * Render a mode.
     *
     * @since 3.5.0
     *
     * @param {string} mode
     *
     * @fires Region#create
     * @fires Region#render
     *
     * @returns {wp.media.controller.Region} Returns itself to allow chaining
     */
    render: function( mode ) {
        // If the mode isn't active, activate it.
        if ( mode && mode !== this._mode ) {
            return this.mode( mode );
        }

        var set = { view: null },
            view;

        /**
         * Create region view event.
         *
         * Region view creation takes place in an event callback on the frame.
         *
         * @event wp.media.controller.Region#create
         * @type {object}
         * @property {object} view
         */
        this.trigger( 'create', set );
        view = set.view;

        /**
         * Render region view event.
         *
         * Region view creation takes place in an event callback on the frame.
         *
         * @event wp.media.controller.Region#render
         * @type {object}
         */
        this.trigger( 'render', view );
        if ( view ) {
            this.set( view );
        }
        return this;
    },

    /**
     * Get the region's view.
     *
     * @since 3.5.0
     *
     * @returns {wp.media.View}
     */
    get: function() {
        return this.view.views.first( this.selector );
    },

    /**
     * Set the region's view as a subview of the frame.
     *
     * @since 3.5.0
     *
     * @param {Array|Object} views
     * @param {Object} [options={}]
     * @returns {wp.Backbone.Subviews} Subviews is returned to allow chaining
     */
    set: function( views, options ) {
        if ( options ) {
            options.add = false;
        }
        return this.view.views.set( this.selector, views, options );
    },

    /**
     * Trigger regional view events on the frame.
     *
     * @since 3.5.0
     *
     * @param {string} event
     * @returns {undefined|wp.media.controller.Region} Returns itself to allow chaining.
     */
    trigger: function( event ) {
        var base, args;

        if ( ! this._mode ) {
            return;
        }

        args = _.toArray( arguments );
        base = this.id + ':' + event;

        // Trigger `{this.id}:{event}:{this._mode}` event on the frame.
        args[0] = base + ':' + this._mode;
        this.view.trigger.apply( this.view, args );

        // Trigger `{this.id}:{event}` event on the frame.
        args[0] = base;
        this.view.trigger.apply( this.view, args );
        return this;
    }
});

module.exports = Region;


/***/ }),
/* 28 */
/***/ (function(module, exports) {

/**
 * wp.media.controller.StateMachine
 *
 * A state machine keeps track of state. It is in one state at a time,
 * and can change from one state to another.
 *
 * States are stored as models in a Backbone collection.
 *
 * @memberOf wp.media.controller
 *
 * @since 3.5.0
 *
 * @class
 * @augments Backbone.Model
 * @mixin
 * @mixes Backbone.Events
 *
 * @param {Array} states
 */
var StateMachine = function( states ) {
    // @todo This is dead code. The states collection gets created in media.view.Frame._createStates.
    this.states = new Backbone.Collection( states );
};

// Use Backbone's self-propagating `extend` inheritance method.
StateMachine.extend = Backbone.Model.extend;

_.extend( StateMachine.prototype, Backbone.Events,/** @lends wp.media.controller.StateMachine.prototype */{
    /**
     * Fetch a state.
     *
     * If no `id` is provided, returns the active state.
     *
     * Implicitly creates states.
     *
     * Ensure that the `states` collection exists so the `StateMachine`
     *   can be used as a mixin.
     *
     * @since 3.5.0
     *
     * @param {string} id
     * @returns {wp.media.controller.State} Returns a State model
     *   from the StateMachine collection
     */
    state: function( id ) {
        this.states = this.states || new Backbone.Collection();

        // Default to the active state.
        id = id || this._state;

        if ( id && ! this.states.get( id ) ) {
            this.states.add({ id: id });
        }
        return this.states.get( id );
    },

    /**
     * Sets the active state.
     *
     * Bail if we're trying to select the current state, if we haven't
     * created the `states` collection, or are trying to select a state
     * that does not exist.
     *
     * @since 3.5.0
     *
     * @param {string} id
     *
     * @fires wp.media.controller.State#deactivate
     * @fires wp.media.controller.State#activate
     *
     * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining
     */
    setState: function( id ) {
        var previous = this.state();

        if ( ( previous && id === previous.id ) || ! this.states || ! this.states.get( id ) ) {
            return this;
        }

        if ( previous ) {
            previous.trigger('deactivate');
            this._lastState = previous.id;
        }

        this._state = id;
        this.state().trigger('activate');

        return this;
    },

    /**
     * Returns the previous active state.
     *
     * Call the `state()` method with no parameters to retrieve the current
     * active state.
     *
     * @since 3.5.0
     *
     * @returns {wp.media.controller.State} Returns a State model
     *    from the StateMachine collection
     */
    lastState: function() {
        if ( this._lastState ) {
            return this.state( this._lastState );
        }
    }
});

// Map all event binding and triggering on a StateMachine to its `states` collection.
_.each([ 'on', 'off', 'trigger' ], function( method ) {
    /**
     * @function on
     * @memberOf wp.media.controller.StateMachine
     * @instance
     * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
     */
    /**
     * @function off
     * @memberOf wp.media.controller.StateMachine
     * @instance
     * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
     */
    /**
     * @function trigger
     * @memberOf wp.media.controller.StateMachine
     * @instance
     * @returns {wp.media.controller.StateMachine} Returns itself to allow chaining.
     */
    StateMachine.prototype[ method ] = function() {
        // Ensure that the `states` collection exists so the `StateMachine`
        // can be used as a mixin.
        this.states = this.states || new Backbone.Collection();
        // Forward the method to the `states` collection.
        this.states[ method ].apply( this.states, arguments );
        return this;
    };
});

module.exports = StateMachine;


/***/ }),
/* 29 */
/***/ (function(module, exports) {

/**
 * wp.media.controller.State
 *
 * A state is a step in a workflow that when set will trigger the controllers
 * for the regions to be updated as specified in the frame.
 *
 * A state has an event-driven lifecycle:
 *
 *     'ready'      triggers when a state is added to a state machine's collection.
 *     'activate'   triggers when a state is activated by a state machine.
 *     'deactivate' triggers when a state is deactivated by a state machine.
 *     'reset'      is not triggered automatically. It should be invoked by the
 *                  proper controller to reset the state to its default.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments Backbone.Model
 */
var State = Backbone.Model.extend(/** @lends wp.media.controller.State.prototype */{
    /**
     * Constructor.
     *
     * @since 3.5.0
     */
    constructor: function() {
        this.on( 'activate', this._preActivate, this );
        this.on( 'activate', this.activate, this );
        this.on( 'activate', this._postActivate, this );
        this.on( 'deactivate', this._deactivate, this );
        this.on( 'deactivate', this.deactivate, this );
        this.on( 'reset', this.reset, this );
        this.on( 'ready', this._ready, this );
        this.on( 'ready', this.ready, this );
        /**
         * Call parent constructor with passed arguments
         */
        Backbone.Model.apply( this, arguments );
        this.on( 'change:menu', this._updateMenu, this );
    },
    /**
     * Ready event callback.
     *
     * @abstract
     * @since 3.5.0
     */
    ready: function() {},

    /**
     * Activate event callback.
     *
     * @abstract
     * @since 3.5.0
     */
    activate: function() {},

    /**
     * Deactivate event callback.
     *
     * @abstract
     * @since 3.5.0
     */
    deactivate: function() {},

    /**
     * Reset event callback.
     *
     * @abstract
     * @since 3.5.0
     */
    reset: function() {},

    /**
     * @access private
     * @since 3.5.0
     */
    _ready: function() {
        this._updateMenu();
    },

    /**
     * @access private
     * @since 3.5.0
    */
    _preActivate: function() {
        this.active = true;
    },

    /**
     * @access private
     * @since 3.5.0
     */
    _postActivate: function() {
        this.on( 'change:menu', this._menu, this );
        this.on( 'change:titleMode', this._title, this );
        this.on( 'change:content', this._content, this );
        this.on( 'change:toolbar', this._toolbar, this );

        this.frame.on( 'title:render:default', this._renderTitle, this );

        this._title();
        this._menu();
        this._toolbar();
        this._content();
        this._router();
    },

    /**
     * @access private
     * @since 3.5.0
     */
    _deactivate: function() {
        this.active = false;

        this.frame.off( 'title:render:default', this._renderTitle, this );

        this.off( 'change:menu', this._menu, this );
        this.off( 'change:titleMode', this._title, this );
        this.off( 'change:content', this._content, this );
        this.off( 'change:toolbar', this._toolbar, this );
    },

    /**
     * @access private
     * @since 3.5.0
     */
    _title: function() {
        this.frame.title.render( this.get('titleMode') || 'default' );
    },

    /**
     * @access private
     * @since 3.5.0
     */
    _renderTitle: function( view ) {
        view.$el.text( this.get('title') || '' );
    },

    /**
     * @access private
     * @since 3.5.0
     */
    _router: function() {
        var router = this.frame.router,
            mode = this.get('router'),
            view;

        this.frame.$el.toggleClass( 'hide-router', ! mode );
        if ( ! mode ) {
            return;
        }

        this.frame.router.render( mode );

        view = router.get();
        if ( view && view.select ) {
            view.select( this.frame.content.mode() );
        }
    },

    /**
     * @access private
     * @since 3.5.0
     */
    _menu: function() {
        var menu = this.frame.menu,
            mode = this.get('menu'),
            view;

        this.frame.$el.toggleClass( 'hide-menu', ! mode );
        if ( ! mode ) {
            return;
        }

        menu.mode( mode );

        view = menu.get();
        if ( view && view.select ) {
            view.select( this.id );
        }
    },

    /**
     * @access private
     * @since 3.5.0
     */
    _updateMenu: function() {
        var previous = this.previous('menu'),
            menu = this.get('menu');

        if ( previous ) {
            this.frame.off( 'menu:render:' + previous, this._renderMenu, this );
        }

        if ( menu ) {
            this.frame.on( 'menu:render:' + menu, this._renderMenu, this );
        }
    },

    /**
     * Create a view in the media menu for the state.
     *
     * @access private
     * @since 3.5.0
     *
     * @param {media.view.Menu} view The menu view.
     */
    _renderMenu: function( view ) {
        var menuItem = this.get('menuItem'),
            title = this.get('title'),
            priority = this.get('priority');

        if ( ! menuItem && title ) {
            menuItem = { text: title };

            if ( priority ) {
                menuItem.priority = priority;
            }
        }

        if ( ! menuItem ) {
            return;
        }

        view.set( this.id, menuItem );
    }
});

_.each(['toolbar','content'], function( region ) {
    /**
     * @access private
     */
    State.prototype[ '_' + region ] = function() {
        var mode = this.get( region );
        if ( mode ) {
            this.frame[ region ].render( mode );
        }
    };
});

module.exports = State;


/***/ }),
/* 30 */
/***/ (function(module, exports) {

/**
 * wp.media.selectionSync
 *
 * Sync an attachments selection in a state with another state.
 *
 * Allows for selecting multiple images in the Add Media workflow, and then
 * switching to the Insert Gallery workflow while preserving the attachments selection.
 *
 * @memberOf wp.media
 *
 * @mixin
 */
var selectionSync = {
    /**
     * @since 3.5.0
     */
    syncSelection: function() {
        var selection = this.get('selection'),
            manager = this.frame._selection;

        if ( ! this.get('syncSelection') || ! manager || ! selection ) {
            return;
        }

        // If the selection supports multiple items, validate the stored
        // attachments based on the new selection's conditions. Record
        // the attachments that are not included; we'll maintain a
        // reference to those. Other attachments are considered in flux.
        if ( selection.multiple ) {
            selection.reset( [], { silent: true });
            selection.validateAll( manager.attachments );
            manager.difference = _.difference( manager.attachments.models, selection.models );
        }

        // Sync the selection's single item with the master.
        selection.single( manager.single );
    },

    /**
     * Record the currently active attachments, which is a combination
     * of the selection's attachments and the set of selected
     * attachments that this specific selection considered invalid.
     * Reset the difference and record the single attachment.
     *
     * @since 3.5.0
     */
    recordSelection: function() {
        var selection = this.get('selection'),
            manager = this.frame._selection;

        if ( ! this.get('syncSelection') || ! manager || ! selection ) {
            return;
        }

        if ( selection.multiple ) {
            manager.attachments.reset( selection.toArray().concat( manager.difference ) );
            manager.difference = [];
        } else {
            manager.attachments.add( selection.toArray() );
        }

        manager.single = selection._single;
    }
};

module.exports = selectionSync;


/***/ }),
/* 31 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    getUserSetting = window.getUserSetting,
    setUserSetting = window.setUserSetting,
    Library;

/**
 * wp.media.controller.Library
 *
 * A state for choosing an attachment or group of attachments from the media library.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 * @mixes media.selectionSync
 *
 * @param {object}                          [attributes]                         The attributes hash passed to the state.
 * @param {string}                          [attributes.id=library]              Unique identifier.
 * @param {string}                          [attributes.title=Media library]     Title for the state. Displays in the media menu and the frame's title region.
 * @param {wp.media.model.Attachments}      [attributes.library]                 The attachments collection to browse.
 *                                                                               If one is not supplied, a collection of all attachments will be created.
 * @param {wp.media.model.Selection|object} [attributes.selection]               A collection to contain attachment selections within the state.
 *                                                                               If the 'selection' attribute is a plain JS object,
 *                                                                               a Selection will be created using its values as the selection instance's `props` model.
 *                                                                               Otherwise, it will copy the library's `props` model.
 * @param {boolean}                         [attributes.multiple=false]          Whether multi-select is enabled.
 * @param {string}                          [attributes.content=upload]          Initial mode for the content region.
 *                                                                               Overridden by persistent user setting if 'contentUserSetting' is true.
 * @param {string}                          [attributes.menu=default]            Initial mode for the menu region.
 * @param {string}                          [attributes.router=browse]           Initial mode for the router region.
 * @param {string}                          [attributes.toolbar=select]          Initial mode for the toolbar region.
 * @param {boolean}                         [attributes.searchable=true]         Whether the library is searchable.
 * @param {boolean|string}                  [attributes.filterable=false]        Whether the library is filterable, and if so what filters should be shown.
 *                                                                               Accepts 'all', 'uploaded', or 'unattached'.
 * @param {boolean}                         [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
 * @param {boolean}                         [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
 * @param {boolean}                         [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
 * @param {boolean}                         [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
 * @param {boolean}                         [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
 */
Library = wp.media.controller.State.extend(/** @lends wp.media.controller.Library.prototype */{
    defaults: {
        id:                 'library',
        title:              l10n.mediaLibraryTitle,
        multiple:           false,
        content:            'upload',
        menu:               'default',
        router:             'browse',
        toolbar:            'select',
        searchable:         true,
        filterable:         false,
        sortable:           true,
        autoSelect:         true,
        describe:           false,
        contentUserSetting: true,
        syncSelection:      true
    },

    /**
     * If a library isn't provided, query all media items.
     * If a selection instance isn't provided, create one.
     *
     * @since 3.5.0
     */
    initialize: function() {
        var selection = this.get('selection'),
            props;

        if ( ! this.get('library') ) {
            this.set( 'library', wp.media.query() );
        }

        if ( ! ( selection instanceof wp.media.model.Selection ) ) {
            props = selection;

            if ( ! props ) {
                props = this.get('library').props.toJSON();
                props = _.omit( props, 'orderby', 'query' );
            }

            this.set( 'selection', new wp.media.model.Selection( null, {
                multiple: this.get('multiple'),
                props: props
            }) );
        }

        this._filterContext();
        this.get('library').on( 'add', this._filterContext, this );

        this.resetDisplays();
    },

    /**
     * @since 3.5.0
     */
    activate: function() {
        this.syncSelection();

        wp.Uploader.queue.on( 'add', this.uploading, this );

        this.get('selection').on( 'add remove reset', this.refreshContent, this );

        if ( this.get( 'router' ) && this.get('contentUserSetting') ) {
            this.frame.on( 'content:activate', this.saveContentMode, this );
            this.set( 'content', getUserSetting( 'libraryContent', this.get('content') ) );
        }
    },

    /**
     * @since 3.5.0
     */
    deactivate: function() {
        this.recordSelection();

        this.frame.off( 'content:activate', this.saveContentMode, this );

        // Unbind all event handlers that use this state as the context
        // from the selection.
        this.get('selection').off( null, null, this );

        wp.Uploader.queue.off( null, null, this );
    },

    /**
     * Reset the library to its initial state.
     *
     * @since 3.5.0
     */
    reset: function() {
        this.get('selection').reset();
        this.resetDisplays();
        this.refreshContent();
    },

    /**
     * Reset the attachment display settings defaults to the site options.
     *
     * If site options don't define them, fall back to a persistent user setting.
     *
     * @since 3.5.0
     */
    resetDisplays: function() {
        var defaultProps = wp.media.view.settings.defaultProps;
        this._displays = [];
        this._defaultDisplaySettings = {
            align: getUserSetting( 'align', defaultProps.align ) || 'none',
            size:  getUserSetting( 'imgsize', defaultProps.size ) || 'medium',
            link:  getUserSetting( 'urlbutton', defaultProps.link ) || 'none'
        };
    },

    /**
     * Create a model to represent display settings (alignment, etc.) for an attachment.
     *
     * @since 3.5.0
     *
     * @param {wp.media.model.Attachment} attachment
     * @returns {Backbone.Model}
     */
    display: function( attachment ) {
        var displays = this._displays;

        if ( ! displays[ attachment.cid ] ) {
            displays[ attachment.cid ] = new Backbone.Model( this.defaultDisplaySettings( attachment ) );
        }
        return displays[ attachment.cid ];
    },

    /**
     * Given an attachment, create attachment display settings properties.
     *
     * @since 3.6.0
     *
     * @param {wp.media.model.Attachment} attachment
     * @returns {Object}
     */
    defaultDisplaySettings: function( attachment ) {
        var settings = _.clone( this._defaultDisplaySettings );

        if ( settings.canEmbed = this.canEmbed( attachment ) ) {
            settings.link = 'embed';
        } else if ( ! this.isImageAttachment( attachment ) && settings.link === 'none' ) {
            settings.link = 'file';
        }

        return settings;
    },

    /**
     * Whether an attachment is image.
     *
     * @since 4.4.1
     *
     * @param {wp.media.model.Attachment} attachment
     * @returns {Boolean}
     */
    isImageAttachment: function( attachment ) {
        // If uploading, we know the filename but not the mime type.
        if ( attachment.get('uploading') ) {
            return /\.(jpe?g|png|gif)$/i.test( attachment.get('filename') );
        }

        return attachment.get('type') === 'image';
    },

    /**
     * Whether an attachment can be embedded (audio or video).
     *
     * @since 3.6.0
     *
     * @param {wp.media.model.Attachment} attachment
     * @returns {Boolean}
     */
    canEmbed: function( attachment ) {
        // If uploading, we know the filename but not the mime type.
        if ( ! attachment.get('uploading') ) {
            var type = attachment.get('type');
            if ( type !== 'audio' && type !== 'video' ) {
                return false;
            }
        }

        return _.contains( wp.media.view.settings.embedExts, attachment.get('filename').split('.').pop() );
    },


    /**
     * If the state is active, no items are selected, and the current
     * content mode is not an option in the state's router (provided
     * the state has a router), reset the content mode to the default.
     *
     * @since 3.5.0
     */
    refreshContent: function() {
        var selection = this.get('selection'),
            frame = this.frame,
            router = frame.router.get(),
            mode = frame.content.mode();

        if ( this.active && ! selection.length && router && ! router.get( mode ) ) {
            this.frame.content.render( this.get('content') );
        }
    },

    /**
     * Callback handler when an attachment is uploaded.
     *
     * Switch to the Media Library if uploaded from the 'Upload Files' tab.
     *
     * Adds any uploading attachments to the selection.
     *
     * If the state only supports one attachment to be selected and multiple
     * attachments are uploaded, the last attachment in the upload queue will
     * be selected.
     *
     * @since 3.5.0
     *
     * @param {wp.media.model.Attachment} attachment
     */
    uploading: function( attachment ) {
        var content = this.frame.content;

        if ( 'upload' === content.mode() ) {
            this.frame.content.mode('browse');
        }

        if ( this.get( 'autoSelect' ) ) {
            this.get('selection').add( attachment );
            this.frame.trigger( 'library:selection:add' );
        }
    },

    /**
     * Persist the mode of the content region as a user setting.
     *
     * @since 3.5.0
     */
    saveContentMode: function() {
        if ( 'browse' !== this.get('router') ) {
            return;
        }

        var mode = this.frame.content.mode(),
            view = this.frame.router.get();

        if ( view && view.get( mode ) ) {
            setUserSetting( 'libraryContent', mode );
        }
    },

    /**
     * Filter out contextually created attachments (e.g. headers, logos, etc.)
     *
     * @since 4.9.0
     */
    _filterContext: function() {
        var library = this.get('library');

        library.set( library.filter( function( item ) {
            return item.get('context') === '';
        } ) );
    }
});

// Make selectionSync available on any Media Library state.
_.extend( Library.prototype, wp.media.selectionSync );

module.exports = Library;


/***/ }),
/* 32 */
/***/ (function(module, exports) {

var State = wp.media.controller.State,
    Library = wp.media.controller.Library,
    l10n = wp.media.view.l10n,
    ImageDetails;

/**
 * wp.media.controller.ImageDetails
 *
 * A state for editing the attachment display settings of an image that's been
 * inserted into the editor.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object}                    [attributes]                       The attributes hash passed to the state.
 * @param {string}                    [attributes.id=image-details]      Unique identifier.
 * @param {string}                    [attributes.title=Image Details]   Title for the state. Displays in the frame's title region.
 * @param {wp.media.model.Attachment} attributes.image                   The image's model.
 * @param {string|false}              [attributes.content=image-details] Initial mode for the content region.
 * @param {string|false}              [attributes.menu=false]            Initial mode for the menu region.
 * @param {string|false}              [attributes.router=false]          Initial mode for the router region.
 * @param {string|false}              [attributes.toolbar=image-details] Initial mode for the toolbar region.
 * @param {boolean}                   [attributes.editing=false]         Unused.
 * @param {int}                       [attributes.priority=60]           Unused.
 *
 * @todo This state inherits some defaults from media.controller.Library.prototype.defaults,
 *       however this may not do anything.
 */
ImageDetails = State.extend(/** @lends wp.media.controller.ImageDetails.prototype */{
    defaults: _.defaults({
        id:       'image-details',
        title:    l10n.imageDetailsTitle,
        content:  'image-details',
        menu:     false,
        router:   false,
        toolbar:  'image-details',
        editing:  false,
        priority: 60
    }, Library.prototype.defaults ),

    /**
     * @since 3.9.0
     *
     * @param options Attributes
     */
    initialize: function( options ) {
        this.image = options.image;
        State.prototype.initialize.apply( this, arguments );
    },

    /**
     * @since 3.9.0
     */
    activate: function() {
        this.frame.modal.$el.addClass('image-details');
    }
});

module.exports = ImageDetails;


/***/ }),
/* 33 */
/***/ (function(module, exports) {

var Library = wp.media.controller.Library,
    l10n = wp.media.view.l10n,
    GalleryEdit;

/**
 * wp.media.controller.GalleryEdit
 *
 * A state for editing a gallery's images and settings.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.Library
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object}                     [attributes]                       The attributes hash passed to the state.
 * @param {string}                     [attributes.id=gallery-edit]       Unique identifier.
 * @param {string}                     [attributes.title=Edit Gallery]    Title for the state. Displays in the frame's title region.
 * @param {wp.media.model.Attachments} [attributes.library]               The collection of attachments in the gallery.
 *                                                                        If one is not supplied, an empty media.model.Selection collection is created.
 * @param {boolean}                    [attributes.multiple=false]        Whether multi-select is enabled.
 * @param {boolean}                    [attributes.searchable=false]      Whether the library is searchable.
 * @param {boolean}                    [attributes.sortable=true]         Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
 * @param {boolean}                    [attributes.date=true]             Whether to show the date filter in the browser's toolbar.
 * @param {string|false}               [attributes.content=browse]        Initial mode for the content region.
 * @param {string|false}               [attributes.toolbar=image-details] Initial mode for the toolbar region.
 * @param {boolean}                    [attributes.describe=true]         Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
 * @param {boolean}                    [attributes.displaySettings=true]  Whether to show the attachment display settings interface.
 * @param {boolean}                    [attributes.dragInfo=true]         Whether to show instructional text about the attachments being sortable.
 * @param {int}                        [attributes.idealColumnWidth=170]  The ideal column width in pixels for attachments.
 * @param {boolean}                    [attributes.editing=false]         Whether the gallery is being created, or editing an existing instance.
 * @param {int}                        [attributes.priority=60]           The priority for the state link in the media menu.
 * @param {boolean}                    [attributes.syncSelection=false]   Whether the Attachments selection should be persisted from the last state.
 *                                                                        Defaults to false for this state, because the library passed in  *is* the selection.
 * @param {view}                       [attributes.AttachmentView]        The single `Attachment` view to be used in the `Attachments`.
 *                                                                        If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
 */
GalleryEdit = Library.extend(/** @lends wp.media.controller.GalleryEdit.prototype */{
    defaults: {
        id:               'gallery-edit',
        title:            l10n.editGalleryTitle,
        multiple:         false,
        searchable:       false,
        sortable:         true,
        date:             false,
        display:          false,
        content:          'browse',
        toolbar:          'gallery-edit',
        describe:         true,
        displaySettings:  true,
        dragInfo:         true,
        idealColumnWidth: 170,
        editing:          false,
        priority:         60,
        syncSelection:    false
    },

    /**
     * @since 3.5.0
     */
    initialize: function() {
        // If we haven't been provided a `library`, create a `Selection`.
        if ( ! this.get('library') ) {
            this.set( 'library', new wp.media.model.Selection() );
        }

        // The single `Attachment` view to be used in the `Attachments` view.
        if ( ! this.get('AttachmentView') ) {
            this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
        }

        Library.prototype.initialize.apply( this, arguments );
    },

    /**
     * @since 3.5.0
     */
    activate: function() {
        var library = this.get('library');

        // Limit the library to images only.
        library.props.set( 'type', 'image' );

        // Watch for uploaded attachments.
        this.get('library').observe( wp.Uploader.queue );

        this.frame.on( 'content:render:browse', this.gallerySettings, this );

        Library.prototype.activate.apply( this, arguments );
    },

    /**
     * @since 3.5.0
     */
    deactivate: function() {
        // Stop watching for uploaded attachments.
        this.get('library').unobserve( wp.Uploader.queue );

        this.frame.off( 'content:render:browse', this.gallerySettings, this );

        Library.prototype.deactivate.apply( this, arguments );
    },

    /**
     * @since 3.5.0
     *
     * @param browser
     */
    gallerySettings: function( browser ) {
        if ( ! this.get('displaySettings') ) {
            return;
        }

        var library = this.get('library');

        if ( ! library || ! browser ) {
            return;
        }

        library.gallery = library.gallery || new Backbone.Model();

        browser.sidebar.set({
            gallery: new wp.media.view.Settings.Gallery({
                controller: this,
                model:      library.gallery,
                priority:   40
            })
        });

        browser.toolbar.set( 'reverse', {
            text:     l10n.reverseOrder,
            priority: 80,

            click: function() {
                library.reset( library.toArray().reverse() );
            }
        });
    }
});

module.exports = GalleryEdit;


/***/ }),
/* 34 */
/***/ (function(module, exports) {

var Selection = wp.media.model.Selection,
    Library = wp.media.controller.Library,
    l10n = wp.media.view.l10n,
    GalleryAdd;

/**
 * wp.media.controller.GalleryAdd
 *
 * A state for selecting more images to add to a gallery.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.Library
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object}                     [attributes]                         The attributes hash passed to the state.
 * @param {string}                     [attributes.id=gallery-library]      Unique identifier.
 * @param {string}                     [attributes.title=Add to Gallery]    Title for the state. Displays in the frame's title region.
 * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
 * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
 *                                                                          If one is not supplied, a collection of all images will be created.
 * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
 *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
 * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
 * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
 *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
 * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
 * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
 * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
 * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
 * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
 * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
 * @param {int}                        [attributes.priority=100]            The priority for the state link in the media menu.
 * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
 *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
 */
GalleryAdd = Library.extend(/** @lends wp.media.controller.GalleryAdd.prototype */{
    defaults: _.defaults({
        id:            'gallery-library',
        title:         l10n.addToGalleryTitle,
        multiple:      'add',
        filterable:    'uploaded',
        menu:          'gallery',
        toolbar:       'gallery-add',
        priority:      100,
        syncSelection: false
    }, Library.prototype.defaults ),

    /**
     * @since 3.5.0
     */
    initialize: function() {
        // If a library wasn't supplied, create a library of images.
        if ( ! this.get('library') ) {
            this.set( 'library', wp.media.query({ type: 'image' }) );
        }

        Library.prototype.initialize.apply( this, arguments );
    },

    /**
     * @since 3.5.0
     */
    activate: function() {
        var library = this.get('library'),
            edit    = this.frame.state('gallery-edit').get('library');

        if ( this.editLibrary && this.editLibrary !== edit ) {
            library.unobserve( this.editLibrary );
        }

        // Accepts attachments that exist in the original library and
        // that do not exist in gallery's library.
        library.validator = function( attachment ) {
            return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
        };

        // Reset the library to ensure that all attachments are re-added
        // to the collection. Do so silently, as calling `observe` will
        // trigger the `reset` event.
        library.reset( library.mirroring.models, { silent: true });
        library.observe( edit );
        this.editLibrary = edit;

        Library.prototype.activate.apply( this, arguments );
    }
});

module.exports = GalleryAdd;


/***/ }),
/* 35 */
/***/ (function(module, exports) {

var Library = wp.media.controller.Library,
    l10n = wp.media.view.l10n,
    $ = jQuery,
    CollectionEdit;

/**
 * wp.media.controller.CollectionEdit
 *
 * A state for editing a collection, which is used by audio and video playlists,
 * and can be used for other collections.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.Library
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object}                     [attributes]                      The attributes hash passed to the state.
 * @param {string}                     attributes.title                  Title for the state. Displays in the media menu and the frame's title region.
 * @param {wp.media.model.Attachments} [attributes.library]              The attachments collection to edit.
 *                                                                       If one is not supplied, an empty media.model.Selection collection is created.
 * @param {boolean}                    [attributes.multiple=false]       Whether multi-select is enabled.
 * @param {string}                     [attributes.content=browse]       Initial mode for the content region.
 * @param {string}                     attributes.menu                   Initial mode for the menu region. @todo this needs a better explanation.
 * @param {boolean}                    [attributes.searchable=false]     Whether the library is searchable.
 * @param {boolean}                    [attributes.sortable=true]        Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
 * @param {boolean}                    [attributes.date=true]            Whether to show the date filter in the browser's toolbar.
 * @param {boolean}                    [attributes.describe=true]        Whether to offer UI to describe the attachments - e.g. captioning images in a gallery.
 * @param {boolean}                    [attributes.dragInfo=true]        Whether to show instructional text about the attachments being sortable.
 * @param {boolean}                    [attributes.dragInfoText]         Instructional text about the attachments being sortable.
 * @param {int}                        [attributes.idealColumnWidth=170] The ideal column width in pixels for attachments.
 * @param {boolean}                    [attributes.editing=false]        Whether the gallery is being created, or editing an existing instance.
 * @param {int}                        [attributes.priority=60]          The priority for the state link in the media menu.
 * @param {boolean}                    [attributes.syncSelection=false]  Whether the Attachments selection should be persisted from the last state.
 *                                                                       Defaults to false for this state, because the library passed in  *is* the selection.
 * @param {view}                       [attributes.SettingsView]         The view to edit the collection instance settings (e.g. Playlist settings with "Show tracklist" checkbox).
 * @param {view}                       [attributes.AttachmentView]       The single `Attachment` view to be used in the `Attachments`.
 *                                                                       If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
 * @param {string}                     attributes.type                   The collection's media type. (e.g. 'video').
 * @param {string}                     attributes.collectionType         The collection type. (e.g. 'playlist').
 */
CollectionEdit = Library.extend(/** @lends wp.media.controller.CollectionEdit.prototype */{
    defaults: {
        multiple:         false,
        sortable:         true,
        date:             false,
        searchable:       false,
        content:          'browse',
        describe:         true,
        dragInfo:         true,
        idealColumnWidth: 170,
        editing:          false,
        priority:         60,
        SettingsView:     false,
        syncSelection:    false
    },

    /**
     * @since 3.9.0
     */
    initialize: function() {
        var collectionType = this.get('collectionType');

        if ( 'video' === this.get( 'type' ) ) {
            collectionType = 'video-' + collectionType;
        }

        this.set( 'id', collectionType + '-edit' );
        this.set( 'toolbar', collectionType + '-edit' );

        // If we haven't been provided a `library`, create a `Selection`.
        if ( ! this.get('library') ) {
            this.set( 'library', new wp.media.model.Selection() );
        }
        // The single `Attachment` view to be used in the `Attachments` view.
        if ( ! this.get('AttachmentView') ) {
            this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
        }
        Library.prototype.initialize.apply( this, arguments );
    },

    /**
     * @since 3.9.0
     */
    activate: function() {
        var library = this.get('library');

        // Limit the library to images only.
        library.props.set( 'type', this.get( 'type' ) );

        // Watch for uploaded attachments.
        this.get('library').observe( wp.Uploader.queue );

        this.frame.on( 'content:render:browse', this.renderSettings, this );

        Library.prototype.activate.apply( this, arguments );
    },

    /**
     * @since 3.9.0
     */
    deactivate: function() {
        // Stop watching for uploaded attachments.
        this.get('library').unobserve( wp.Uploader.queue );

        this.frame.off( 'content:render:browse', this.renderSettings, this );

        Library.prototype.deactivate.apply( this, arguments );
    },

    /**
     * Render the collection embed settings view in the browser sidebar.
     *
     * @todo This is against the pattern elsewhere in media. Typically the frame
     *       is responsible for adding region mode callbacks. Explain.
     *
     * @since 3.9.0
     *
     * @param {wp.media.view.attachmentsBrowser} The attachments browser view.
     */
    renderSettings: function( attachmentsBrowserView ) {
        var library = this.get('library'),
            collectionType = this.get('collectionType'),
            dragInfoText = this.get('dragInfoText'),
            SettingsView = this.get('SettingsView'),
            obj = {};

        if ( ! library || ! attachmentsBrowserView ) {
            return;
        }

        library[ collectionType ] = library[ collectionType ] || new Backbone.Model();

        obj[ collectionType ] = new SettingsView({
            controller: this,
            model:      library[ collectionType ],
            priority:   40
        });

        attachmentsBrowserView.sidebar.set( obj );

        if ( dragInfoText ) {
            attachmentsBrowserView.toolbar.set( 'dragInfo', new wp.media.View({
                el: $( '<div class="instructions">' + dragInfoText + '</div>' )[0],
                priority: -40
            }) );
        }

        // Add the 'Reverse order' button to the toolbar.
        attachmentsBrowserView.toolbar.set( 'reverse', {
            text:     l10n.reverseOrder,
            priority: 80,

            click: function() {
                library.reset( library.toArray().reverse() );
            }
        });
    }
});

module.exports = CollectionEdit;


/***/ }),
/* 36 */
/***/ (function(module, exports) {

var Selection = wp.media.model.Selection,
    Library = wp.media.controller.Library,
    CollectionAdd;

/**
 * wp.media.controller.CollectionAdd
 *
 * A state for adding attachments to a collection (e.g. video playlist).
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.Library
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object}                     [attributes]                         The attributes hash passed to the state.
 * @param {string}                     [attributes.id=library]      Unique identifier.
 * @param {string}                     attributes.title                    Title for the state. Displays in the frame's title region.
 * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
 * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
 *                                                                          If one is not supplied, a collection of attachments of the specified type will be created.
 * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
 *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
 * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
 * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
 *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
 * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
 * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
 * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
 * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
 * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
 * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
 * @param {int}                        [attributes.priority=100]            The priority for the state link in the media menu.
 * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
 *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
 * @param {string}                     attributes.type                   The collection's media type. (e.g. 'video').
 * @param {string}                     attributes.collectionType         The collection type. (e.g. 'playlist').
 */
CollectionAdd = Library.extend(/** @lends wp.media.controller.CollectionAdd.prototype */{
    defaults: _.defaults( {
        // Selection defaults. @see media.model.Selection
        multiple:      'add',
        // Attachments browser defaults. @see media.view.AttachmentsBrowser
        filterable:    'uploaded',

        priority:      100,
        syncSelection: false
    }, Library.prototype.defaults ),

    /**
     * @since 3.9.0
     */
    initialize: function() {
        var collectionType = this.get('collectionType');

        if ( 'video' === this.get( 'type' ) ) {
            collectionType = 'video-' + collectionType;
        }

        this.set( 'id', collectionType + '-library' );
        this.set( 'toolbar', collectionType + '-add' );
        this.set( 'menu', collectionType );

        // If we haven't been provided a `library`, create a `Selection`.
        if ( ! this.get('library') ) {
            this.set( 'library', wp.media.query({ type: this.get('type') }) );
        }
        Library.prototype.initialize.apply( this, arguments );
    },

    /**
     * @since 3.9.0
     */
    activate: function() {
        var library = this.get('library'),
            editLibrary = this.get('editLibrary'),
            edit = this.frame.state( this.get('collectionType') + '-edit' ).get('library');

        if ( editLibrary && editLibrary !== edit ) {
            library.unobserve( editLibrary );
        }

        // Accepts attachments that exist in the original library and
        // that do not exist in gallery's library.
        library.validator = function( attachment ) {
            return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
        };

        // Reset the library to ensure that all attachments are re-added
        // to the collection. Do so silently, as calling `observe` will
        // trigger the `reset` event.
        library.reset( library.mirroring.models, { silent: true });
        library.observe( edit );
        this.set('editLibrary', edit);

        Library.prototype.activate.apply( this, arguments );
    }
});

module.exports = CollectionAdd;


/***/ }),
/* 37 */
/***/ (function(module, exports) {

var Attachment = wp.media.model.Attachment,
    Library = wp.media.controller.Library,
    l10n = wp.media.view.l10n,
    FeaturedImage;

/**
 * wp.media.controller.FeaturedImage
 *
 * A state for selecting a featured image for a post.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.Library
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object}                     [attributes]                          The attributes hash passed to the state.
 * @param {string}                     [attributes.id=featured-image]        Unique identifier.
 * @param {string}                     [attributes.title=Set Featured Image] Title for the state. Displays in the media menu and the frame's title region.
 * @param {wp.media.model.Attachments} [attributes.library]                  The attachments collection to browse.
 *                                                                           If one is not supplied, a collection of all images will be created.
 * @param {boolean}                    [attributes.multiple=false]           Whether multi-select is enabled.
 * @param {string}                     [attributes.content=upload]           Initial mode for the content region.
 *                                                                           Overridden by persistent user setting if 'contentUserSetting' is true.
 * @param {string}                     [attributes.menu=default]             Initial mode for the menu region.
 * @param {string}                     [attributes.router=browse]            Initial mode for the router region.
 * @param {string}                     [attributes.toolbar=featured-image]   Initial mode for the toolbar region.
 * @param {int}                        [attributes.priority=60]              The priority for the state link in the media menu.
 * @param {boolean}                    [attributes.searchable=true]          Whether the library is searchable.
 * @param {boolean|string}             [attributes.filterable=false]         Whether the library is filterable, and if so what filters should be shown.
 *                                                                           Accepts 'all', 'uploaded', or 'unattached'.
 * @param {boolean}                    [attributes.sortable=true]            Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
 * @param {boolean}                    [attributes.autoSelect=true]          Whether an uploaded attachment should be automatically added to the selection.
 * @param {boolean}                    [attributes.describe=false]           Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
 * @param {boolean}                    [attributes.contentUserSetting=true]  Whether the content region's mode should be set and persisted per user.
 * @param {boolean}                    [attributes.syncSelection=true]       Whether the Attachments selection should be persisted from the last state.
 */
FeaturedImage = Library.extend(/** @lends wp.media.controller.FeaturedImage.prototype */{
    defaults: _.defaults({
        id:            'featured-image',
        title:         l10n.setFeaturedImageTitle,
        multiple:      false,
        filterable:    'uploaded',
        toolbar:       'featured-image',
        priority:      60,
        syncSelection: true
    }, Library.prototype.defaults ),

    /**
     * @since 3.5.0
     */
    initialize: function() {
        var library, comparator;

        // If we haven't been provided a `library`, create a `Selection`.
        if ( ! this.get('library') ) {
            this.set( 'library', wp.media.query({ type: 'image' }) );
        }

        Library.prototype.initialize.apply( this, arguments );

        library    = this.get('library');
        comparator = library.comparator;

        // Overload the library's comparator to push items that are not in
        // the mirrored query to the front of the aggregate collection.
        library.comparator = function( a, b ) {
            var aInQuery = !! this.mirroring.get( a.cid ),
                bInQuery = !! this.mirroring.get( b.cid );

            if ( ! aInQuery && bInQuery ) {
                return -1;
            } else if ( aInQuery && ! bInQuery ) {
                return 1;
            } else {
                return comparator.apply( this, arguments );
            }
        };

        // Add all items in the selection to the library, so any featured
        // images that are not initially loaded still appear.
        library.observe( this.get('selection') );
    },

    /**
     * @since 3.5.0
     */
    activate: function() {
        this.updateSelection();
        this.frame.on( 'open', this.updateSelection, this );

        Library.prototype.activate.apply( this, arguments );
    },

    /**
     * @since 3.5.0
     */
    deactivate: function() {
        this.frame.off( 'open', this.updateSelection, this );

        Library.prototype.deactivate.apply( this, arguments );
    },

    /**
     * @since 3.5.0
     */
    updateSelection: function() {
        var selection = this.get('selection'),
            id = wp.media.view.settings.post.featuredImageId,
            attachment;

        if ( '' !== id && -1 !== id ) {
            attachment = Attachment.get( id );
            attachment.fetch();
        }

        selection.reset( attachment ? [ attachment ] : [] );
    }
});

module.exports = FeaturedImage;


/***/ }),
/* 38 */
/***/ (function(module, exports) {

var Library = wp.media.controller.Library,
    l10n = wp.media.view.l10n,
    ReplaceImage;

/**
 * wp.media.controller.ReplaceImage
 *
 * A state for replacing an image.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.Library
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object}                     [attributes]                         The attributes hash passed to the state.
 * @param {string}                     [attributes.id=replace-image]        Unique identifier.
 * @param {string}                     [attributes.title=Replace Image]     Title for the state. Displays in the media menu and the frame's title region.
 * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
 *                                                                          If one is not supplied, a collection of all images will be created.
 * @param {boolean}                    [attributes.multiple=false]          Whether multi-select is enabled.
 * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
 *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
 * @param {string}                     [attributes.menu=default]            Initial mode for the menu region.
 * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
 * @param {string}                     [attributes.toolbar=replace]         Initial mode for the toolbar region.
 * @param {int}                        [attributes.priority=60]             The priority for the state link in the media menu.
 * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
 * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
 *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
 * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
 * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
 * @param {boolean}                    [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
 * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
 * @param {boolean}                    [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
 */
ReplaceImage = Library.extend(/** @lends wp.media.controller.ReplaceImage.prototype */{
    defaults: _.defaults({
        id:            'replace-image',
        title:         l10n.replaceImageTitle,
        multiple:      false,
        filterable:    'uploaded',
        toolbar:       'replace',
        menu:          false,
        priority:      60,
        syncSelection: true
    }, Library.prototype.defaults ),

    /**
     * @since 3.9.0
     *
     * @param options
     */
    initialize: function( options ) {
        var library, comparator;

        this.image = options.image;
        // If we haven't been provided a `library`, create a `Selection`.
        if ( ! this.get('library') ) {
            this.set( 'library', wp.media.query({ type: 'image' }) );
        }

        Library.prototype.initialize.apply( this, arguments );

        library    = this.get('library');
        comparator = library.comparator;

        // Overload the library's comparator to push items that are not in
        // the mirrored query to the front of the aggregate collection.
        library.comparator = function( a, b ) {
            var aInQuery = !! this.mirroring.get( a.cid ),
                bInQuery = !! this.mirroring.get( b.cid );

            if ( ! aInQuery && bInQuery ) {
                return -1;
            } else if ( aInQuery && ! bInQuery ) {
                return 1;
            } else {
                return comparator.apply( this, arguments );
            }
        };

        // Add all items in the selection to the library, so any featured
        // images that are not initially loaded still appear.
        library.observe( this.get('selection') );
    },

    /**
     * @since 3.9.0
     */
    activate: function() {
        this.updateSelection();
        Library.prototype.activate.apply( this, arguments );
    },

    /**
     * @since 3.9.0
     */
    updateSelection: function() {
        var selection = this.get('selection'),
            attachment = this.image.attachment;

        selection.reset( attachment ? [ attachment ] : [] );
    }
});

module.exports = ReplaceImage;


/***/ }),
/* 39 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    EditImage;

/**
 * wp.media.controller.EditImage
 *
 * A state for editing (cropping, etc.) an image.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object}                    attributes                      The attributes hash passed to the state.
 * @param {wp.media.model.Attachment} attributes.model                The attachment.
 * @param {string}                    [attributes.id=edit-image]      Unique identifier.
 * @param {string}                    [attributes.title=Edit Image]   Title for the state. Displays in the media menu and the frame's title region.
 * @param {string}                    [attributes.content=edit-image] Initial mode for the content region.
 * @param {string}                    [attributes.toolbar=edit-image] Initial mode for the toolbar region.
 * @param {string}                    [attributes.menu=false]         Initial mode for the menu region.
 * @param {string}                    [attributes.url]                Unused. @todo Consider removal.
 */
EditImage = wp.media.controller.State.extend(/** @lends wp.media.controller.EditImage.prototype */{
    defaults: {
        id:      'edit-image',
        title:   l10n.editImage,
        menu:    false,
        toolbar: 'edit-image',
        content: 'edit-image',
        url:     ''
    },

    /**
     * @since 3.9.0
     */
    activate: function() {
        this.frame.on( 'toolbar:render:edit-image', _.bind( this.toolbar, this ) );
    },

    /**
     * @since 3.9.0
     */
    deactivate: function() {
        this.frame.off( 'toolbar:render:edit-image' );
    },

    /**
     * @since 3.9.0
     */
    toolbar: function() {
        var frame = this.frame,
            lastState = frame.lastState(),
            previous = lastState && lastState.id;

        frame.toolbar.set( new wp.media.view.Toolbar({
            controller: frame,
            items: {
                back: {
                    style: 'primary',
                    text:     l10n.back,
                    priority: 20,
                    click:    function() {
                        if ( previous ) {
                            frame.setState( previous );
                        } else {
                            frame.close();
                        }
                    }
                }
            }
        }) );
    }
});

module.exports = EditImage;


/***/ }),
/* 40 */
/***/ (function(module, exports) {

/**
 * wp.media.controller.MediaLibrary
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.Library
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 */
var Library = wp.media.controller.Library,
    MediaLibrary;

MediaLibrary = Library.extend(/** @lends wp.media.controller.MediaLibrary.prototype */{
    defaults: _.defaults({
        // Attachments browser defaults. @see media.view.AttachmentsBrowser
        filterable:      'uploaded',

        displaySettings: false,
        priority:        80,
        syncSelection:   false
    }, Library.prototype.defaults ),

    /**
     * @since 3.9.0
     *
     * @param options
     */
    initialize: function( options ) {
        this.media = options.media;
        this.type = options.type;
        this.set( 'library', wp.media.query({ type: this.type }) );

        Library.prototype.initialize.apply( this, arguments );
    },

    /**
     * @since 3.9.0
     */
    activate: function() {
        // @todo this should use this.frame.
        if ( wp.media.frame.lastMime ) {
            this.set( 'library', wp.media.query({ type: wp.media.frame.lastMime }) );
            delete wp.media.frame.lastMime;
        }
        Library.prototype.activate.apply( this, arguments );
    }
});

module.exports = MediaLibrary;


/***/ }),
/* 41 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    $ = Backbone.$,
    Embed;

/**
 * wp.media.controller.Embed
 *
 * A state for embedding media from a URL.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 *
 * @param {object} attributes                         The attributes hash passed to the state.
 * @param {string} [attributes.id=embed]              Unique identifier.
 * @param {string} [attributes.title=Insert From URL] Title for the state. Displays in the media menu and the frame's title region.
 * @param {string} [attributes.content=embed]         Initial mode for the content region.
 * @param {string} [attributes.menu=default]          Initial mode for the menu region.
 * @param {string} [attributes.toolbar=main-embed]    Initial mode for the toolbar region.
 * @param {string} [attributes.menu=false]            Initial mode for the menu region.
 * @param {int}    [attributes.priority=120]          The priority for the state link in the media menu.
 * @param {string} [attributes.type=link]             The type of embed. Currently only link is supported.
 * @param {string} [attributes.url]                   The embed URL.
 * @param {object} [attributes.metadata={}]           Properties of the embed, which will override attributes.url if set.
 */
Embed = wp.media.controller.State.extend(/** @lends wp.media.controller.Embed.prototype */{
    defaults: {
        id:       'embed',
        title:    l10n.insertFromUrlTitle,
        content:  'embed',
        menu:     'default',
        toolbar:  'main-embed',
        priority: 120,
        type:     'link',
        url:      '',
        metadata: {}
    },

    // The amount of time used when debouncing the scan.
    sensitivity: 400,

    initialize: function(options) {
        this.metadata = options.metadata;
        this.debouncedScan = _.debounce( _.bind( this.scan, this ), this.sensitivity );
        this.props = new Backbone.Model( this.metadata || { url: '' });
        this.props.on( 'change:url', this.debouncedScan, this );
        this.props.on( 'change:url', this.refresh, this );
        this.on( 'scan', this.scanImage, this );
    },

    /**
     * Trigger a scan of the embedded URL's content for metadata required to embed.
     *
     * @fires wp.media.controller.Embed#scan
     */
    scan: function() {
        var scanners,
            embed = this,
            attributes = {
                type: 'link',
                scanners: []
            };

        // Scan is triggered with the list of `attributes` to set on the
        // state, useful for the 'type' attribute and 'scanners' attribute,
        // an array of promise objects for asynchronous scan operations.
        if ( this.props.get('url') ) {
            this.trigger( 'scan', attributes );
        }

        if ( attributes.scanners.length ) {
            scanners = attributes.scanners = $.when.apply( $, attributes.scanners );
            scanners.always( function() {
                if ( embed.get('scanners') === scanners ) {
                    embed.set( 'loading', false );
                }
            });
        } else {
            attributes.scanners = null;
        }

        attributes.loading = !! attributes.scanners;
        this.set( attributes );
    },
    /**
     * Try scanning the embed as an image to discover its dimensions.
     *
     * @param {Object} attributes
     */
    scanImage: function( attributes ) {
        var frame = this.frame,
            state = this,
            url = this.props.get('url'),
            image = new Image(),
            deferred = $.Deferred();

        attributes.scanners.push( deferred.promise() );

        // Try to load the image and find its width/height.
        image.onload = function() {
            deferred.resolve();

            if ( state !== frame.state() || url !== state.props.get('url') ) {
                return;
            }

            state.set({
                type: 'image'
            });

            state.props.set({
                width:  image.width,
                height: image.height
            });
        };

        image.onerror = deferred.reject;
        image.src = url;
    },

    refresh: function() {
        this.frame.toolbar.get().refresh();
    },

    reset: function() {
        this.props.clear().set({ url: '' });

        if ( this.active ) {
            this.refresh();
        }
    }
});

module.exports = Embed;


/***/ }),
/* 42 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    Cropper;

/**
 * wp.media.controller.Cropper
 *
 * A state for cropping an image.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 */
Cropper = wp.media.controller.State.extend(/** @lends wp.media.controller.Cropper.prototype */{
    defaults: {
        id:          'cropper',
        title:       l10n.cropImage,
        // Region mode defaults.
        toolbar:     'crop',
        content:     'crop',
        router:      false,
        canSkipCrop: false,

        // Default doCrop Ajax arguments to allow the Customizer (for example) to inject state.
        doCropArgs: {}
    },

    activate: function() {
        this.frame.on( 'content:create:crop', this.createCropContent, this );
        this.frame.on( 'close', this.removeCropper, this );
        this.set('selection', new Backbone.Collection(this.frame._selection.single));
    },

    deactivate: function() {
        this.frame.toolbar.mode('browse');
    },

    createCropContent: function() {
        this.cropperView = new wp.media.view.Cropper({
            controller: this,
            attachment: this.get('selection').first()
        });
        this.cropperView.on('image-loaded', this.createCropToolbar, this);
        this.frame.content.set(this.cropperView);

    },
    removeCropper: function() {
        this.imgSelect.cancelSelection();
        this.imgSelect.setOptions({remove: true});
        this.imgSelect.update();
        this.cropperView.remove();
    },
    createCropToolbar: function() {
        var canSkipCrop, toolbarOptions;

        canSkipCrop = this.get('canSkipCrop') || false;

        toolbarOptions = {
            controller: this.frame,
            items: {
                insert: {
                    style:    'primary',
                    text:     l10n.cropImage,
                    priority: 80,
                    requires: { library: false, selection: false },

                    click: function() {
                        var controller = this.controller,
                            selection;

                        selection = controller.state().get('selection').first();
                        selection.set({cropDetails: controller.state().imgSelect.getSelection()});

                        this.$el.text(l10n.cropping);
                        this.$el.attr('disabled', true);

                        controller.state().doCrop( selection ).done( function( croppedImage ) {
                            controller.trigger('cropped', croppedImage );
                            controller.close();
                        }).fail( function() {
                            controller.trigger('content:error:crop');
                        });
                    }
                }
            }
        };

        if ( canSkipCrop ) {
            _.extend( toolbarOptions.items, {
                skip: {
                    style:      'secondary',
                    text:       l10n.skipCropping,
                    priority:   70,
                    requires:   { library: false, selection: false },
                    click:      function() {
                        var selection = this.controller.state().get('selection').first();
                        this.controller.state().cropperView.remove();
                        this.controller.trigger('skippedcrop', selection);
                        this.controller.close();
                    }
                }
            });
        }

        this.frame.toolbar.set( new wp.media.view.Toolbar(toolbarOptions) );
    },

    doCrop: function( attachment ) {
        return wp.ajax.post( 'custom-header-crop', _.extend(
            {},
            this.defaults.doCropArgs,
            {
                nonce: attachment.get( 'nonces' ).edit,
                id: attachment.get( 'id' ),
                cropDetails: attachment.get( 'cropDetails' )
            }
        ) );
    }
});

module.exports = Cropper;


/***/ }),
/* 43 */
/***/ (function(module, exports) {

var Controller = wp.media.controller,
    CustomizeImageCropper;

/**
 * wp.media.controller.CustomizeImageCropper
 *
 * @memberOf wp.media.controller
 *
 * A state for cropping an image.
 *
 * @class
 * @augments wp.media.controller.Cropper
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 */
CustomizeImageCropper = Controller.Cropper.extend(/** @lends wp.media.controller.CustomizeImageCropper.prototype */{
    doCrop: function( attachment ) {
        var cropDetails = attachment.get( 'cropDetails' ),
            control = this.get( 'control' ),
            ratio = cropDetails.width / cropDetails.height;

        // Use crop measurements when flexible in both directions.
        if ( control.params.flex_width && control.params.flex_height ) {
            cropDetails.dst_width  = cropDetails.width;
            cropDetails.dst_height = cropDetails.height;

        // Constrain flexible side based on image ratio and size of the fixed side.
        } else {
            cropDetails.dst_width  = control.params.flex_width  ? control.params.height * ratio : control.params.width;
            cropDetails.dst_height = control.params.flex_height ? control.params.width  / ratio : control.params.height;
        }

        return wp.ajax.post( 'crop-image', {
            wp_customize: 'on',
            nonce: attachment.get( 'nonces' ).edit,
            id: attachment.get( 'id' ),
            context: control.id,
            cropDetails: cropDetails
        } );
    }
});

module.exports = CustomizeImageCropper;


/***/ }),
/* 44 */
/***/ (function(module, exports) {

var Controller = wp.media.controller,
    SiteIconCropper;

/**
 * wp.media.controller.SiteIconCropper
 *
 * A state for cropping a Site Icon.
 *
 * @memberOf wp.media.controller
 *
 * @class
 * @augments wp.media.controller.Cropper
 * @augments wp.media.controller.State
 * @augments Backbone.Model
 */
SiteIconCropper = Controller.Cropper.extend(/** @lends wp.media.controller.SiteIconCropper.prototype */{
    activate: function() {
        this.frame.on( 'content:create:crop', this.createCropContent, this );
        this.frame.on( 'close', this.removeCropper, this );
        this.set('selection', new Backbone.Collection(this.frame._selection.single));
    },

    createCropContent: function() {
        this.cropperView = new wp.media.view.SiteIconCropper({
            controller: this,
            attachment: this.get('selection').first()
        });
        this.cropperView.on('image-loaded', this.createCropToolbar, this);
        this.frame.content.set(this.cropperView);

    },

    doCrop: function( attachment ) {
        var cropDetails = attachment.get( 'cropDetails' ),
            control = this.get( 'control' );

        cropDetails.dst_width  = control.params.width;
        cropDetails.dst_height = control.params.height;

        return wp.ajax.post( 'crop-image', {
            nonce: attachment.get( 'nonces' ).edit,
            id: attachment.get( 'id' ),
            context: 'site-icon',
            cropDetails: cropDetails
        } );
    }
});

module.exports = SiteIconCropper;


/***/ }),
/* 45 */
/***/ (function(module, exports) {

/**
 * wp.media.View
 *
 * The base view class for media.
 *
 * Undelegating events, removing events from the model, and
 * removing events from the controller mirror the code for
 * `Backbone.View.dispose` in Backbone 0.9.8 development.
 *
 * This behavior has since been removed, and should not be used
 * outside of the media manager.
 *
 * @memberOf wp.media
 *
 * @class
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var View = wp.Backbone.View.extend(/** @lends wp.media.View.prototype */{
    constructor: function( options ) {
        if ( options && options.controller ) {
            this.controller = options.controller;
        }
        wp.Backbone.View.apply( this, arguments );
    },
    /**
     * @todo The internal comment mentions this might have been a stop-gap
     *       before Backbone 0.9.8 came out. Figure out if Backbone core takes
     *       care of this in Backbone.View now.
     *
     * @returns {wp.media.View} Returns itself to allow chaining
     */
    dispose: function() {
        // Undelegating events, removing events from the model, and
        // removing events from the controller mirror the code for
        // `Backbone.View.dispose` in Backbone 0.9.8 development.
        this.undelegateEvents();

        if ( this.model && this.model.off ) {
            this.model.off( null, null, this );
        }

        if ( this.collection && this.collection.off ) {
            this.collection.off( null, null, this );
        }

        // Unbind controller events.
        if ( this.controller && this.controller.off ) {
            this.controller.off( null, null, this );
        }

        return this;
    },
    /**
     * @returns {wp.media.View} Returns itself to allow chaining
     */
    remove: function() {
        this.dispose();
        /**
         * call 'remove' directly on the parent class
         */
        return wp.Backbone.View.prototype.remove.apply( this, arguments );
    }
});

module.exports = View;


/***/ }),
/* 46 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Frame
 *
 * A frame is a composite view consisting of one or more regions and one or more
 * states.
 *
 * @memberOf wp.media.view
 *
 * @see wp.media.controller.State
 * @see wp.media.controller.Region
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 * @mixes wp.media.controller.StateMachine
 */
var Frame = wp.media.View.extend(/** @lends wp.media.view.Frame.prototype */{
    initialize: function() {
        _.defaults( this.options, {
            mode: [ 'select' ]
        });
        this._createRegions();
        this._createStates();
        this._createModes();
    },

    _createRegions: function() {
        // Clone the regions array.
        this.regions = this.regions ? this.regions.slice() : [];

        // Initialize regions.
        _.each( this.regions, function( region ) {
            this[ region ] = new wp.media.controller.Region({
                view:     this,
                id:       region,
                selector: '.media-frame-' + region
            });
        }, this );
    },
    /**
     * Create the frame's states.
     *
     * @see wp.media.controller.State
     * @see wp.media.controller.StateMachine
     *
     * @fires wp.media.controller.State#ready
     */
    _createStates: function() {
        // Create the default `states` collection.
        this.states = new Backbone.Collection( null, {
            model: wp.media.controller.State
        });

        // Ensure states have a reference to the frame.
        this.states.on( 'add', function( model ) {
            model.frame = this;
            model.trigger('ready');
        }, this );

        if ( this.options.states ) {
            this.states.add( this.options.states );
        }
    },

    /**
     * A frame can be in a mode or multiple modes at one time.
     *
     * For example, the manage media frame can be in the `Bulk Select` or `Edit` mode.
     */
    _createModes: function() {
        // Store active "modes" that the frame is in. Unrelated to region modes.
        this.activeModes = new Backbone.Collection();
        this.activeModes.on( 'add remove reset', _.bind( this.triggerModeEvents, this ) );

        _.each( this.options.mode, function( mode ) {
            this.activateMode( mode );
        }, this );
    },
    /**
     * Reset all states on the frame to their defaults.
     *
     * @returns {wp.media.view.Frame} Returns itself to allow chaining
     */
    reset: function() {
        this.states.invoke( 'trigger', 'reset' );
        return this;
    },
    /**
     * Map activeMode collection events to the frame.
     */
    triggerModeEvents: function( model, collection, options ) {
        var collectionEvent,
            modeEventMap = {
                add: 'activate',
                remove: 'deactivate'
            },
            eventToTrigger;
        // Probably a better way to do this.
        _.each( options, function( value, key ) {
            if ( value ) {
                collectionEvent = key;
            }
        } );

        if ( ! _.has( modeEventMap, collectionEvent ) ) {
            return;
        }

        eventToTrigger = model.get('id') + ':' + modeEventMap[collectionEvent];
        this.trigger( eventToTrigger );
    },
    /**
     * Activate a mode on the frame.
     *
     * @param string mode Mode ID.
     * @returns {this} Returns itself to allow chaining.
     */
    activateMode: function( mode ) {
        // Bail if the mode is already active.
        if ( this.isModeActive( mode ) ) {
            return;
        }
        this.activeModes.add( [ { id: mode } ] );
        // Add a CSS class to the frame so elements can be styled for the mode.
        this.$el.addClass( 'mode-' + mode );

        return this;
    },
    /**
     * Deactivate a mode on the frame.
     *
     * @param string mode Mode ID.
     * @returns {this} Returns itself to allow chaining.
     */
    deactivateMode: function( mode ) {
        // Bail if the mode isn't active.
        if ( ! this.isModeActive( mode ) ) {
            return this;
        }
        this.activeModes.remove( this.activeModes.where( { id: mode } ) );
        this.$el.removeClass( 'mode-' + mode );
        /**
         * Frame mode deactivation event.
         *
         * @event wp.media.view.Frame#{mode}:deactivate
         */
        this.trigger( mode + ':deactivate' );

        return this;
    },
    /**
     * Check if a mode is enabled on the frame.
     *
     * @param  string mode Mode ID.
     * @return bool
     */
    isModeActive: function( mode ) {
        return Boolean( this.activeModes.where( { id: mode } ).length );
    }
});

// Make the `Frame` a `StateMachine`.
_.extend( Frame.prototype, wp.media.controller.StateMachine.prototype );

module.exports = Frame;


/***/ }),
/* 47 */
/***/ (function(module, exports) {

var Frame = wp.media.view.Frame,
    $ = jQuery,
    MediaFrame;

/**
 * wp.media.view.MediaFrame
 *
 * The frame used to create the media modal.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.Frame
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 * @mixes wp.media.controller.StateMachine
 */
MediaFrame = Frame.extend(/** @lends wp.media.view.MediaFrame.prototype */{
    className: 'media-frame',
    template:  wp.template('media-frame'),
    regions:   ['menu','title','content','toolbar','router'],

    events: {
        'click div.media-frame-title h1': 'toggleMenu'
    },

    /**
     * @constructs
     */
    initialize: function() {
        Frame.prototype.initialize.apply( this, arguments );

        _.defaults( this.options, {
            title:    '',
            modal:    true,
            uploader: true
        });

        // Ensure core UI is enabled.
        this.$el.addClass('wp-core-ui');

        // Initialize modal container view.
        if ( this.options.modal ) {
            this.modal = new wp.media.view.Modal({
                controller: this,
                title:      this.options.title
            });

            this.modal.content( this );
        }

        // Force the uploader off if the upload limit has been exceeded or
        // if the browser isn't supported.
        if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
            this.options.uploader = false;
        }

        // Initialize window-wide uploader.
        if ( this.options.uploader ) {
            this.uploader = new wp.media.view.UploaderWindow({
                controller: this,
                uploader: {
                    dropzone:  this.modal ? this.modal.$el : this.$el,
                    container: this.$el
                }
            });
            this.views.set( '.media-frame-uploader', this.uploader );
        }

        this.on( 'attach', _.bind( this.views.ready, this.views ), this );

        // Bind default title creation.
        this.on( 'title:create:default', this.createTitle, this );
        this.title.mode('default');

        this.on( 'title:render', function( view ) {
            view.$el.append( '<span class="dashicons dashicons-arrow-down"></span>' );
        });

        // Bind default menu.
        this.on( 'menu:create:default', this.createMenu, this );
    },
    /**
     * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
     */
    render: function() {
        // Activate the default state if no active state exists.
        if ( ! this.state() && this.options.state ) {
            this.setState( this.options.state );
        }
        /**
         * call 'render' directly on the parent class
         */
        return Frame.prototype.render.apply( this, arguments );
    },
    /**
     * @param {Object} title
     * @this wp.media.controller.Region
     */
    createTitle: function( title ) {
        title.view = new wp.media.View({
            controller: this,
            tagName: 'h1'
        });
    },
    /**
     * @param {Object} menu
     * @this wp.media.controller.Region
     */
    createMenu: function( menu ) {
        menu.view = new wp.media.view.Menu({
            controller: this
        });
    },

    toggleMenu: function() {
        this.$el.find( '.media-menu' ).toggleClass( 'visible' );
    },

    /**
     * @param {Object} toolbar
     * @this wp.media.controller.Region
     */
    createToolbar: function( toolbar ) {
        toolbar.view = new wp.media.view.Toolbar({
            controller: this
        });
    },
    /**
     * @param {Object} router
     * @this wp.media.controller.Region
     */
    createRouter: function( router ) {
        router.view = new wp.media.view.Router({
            controller: this
        });
    },
    /**
     * @param {Object} options
     */
    createIframeStates: function( options ) {
        var settings = wp.media.view.settings,
            tabs = settings.tabs,
            tabUrl = settings.tabUrl,
            $postId;

        if ( ! tabs || ! tabUrl ) {
            return;
        }

        // Add the post ID to the tab URL if it exists.
        $postId = $('#post_ID');
        if ( $postId.length ) {
            tabUrl += '&post_id=' + $postId.val();
        }

        // Generate the tab states.
        _.each( tabs, function( title, id ) {
            this.state( 'iframe:' + id ).set( _.defaults({
                tab:     id,
                src:     tabUrl + '&tab=' + id,
                title:   title,
                content: 'iframe',
                menu:    'default'
            }, options ) );
        }, this );

        this.on( 'content:create:iframe', this.iframeContent, this );
        this.on( 'content:deactivate:iframe', this.iframeContentCleanup, this );
        this.on( 'menu:render:default', this.iframeMenu, this );
        this.on( 'open', this.hijackThickbox, this );
        this.on( 'close', this.restoreThickbox, this );
    },

    /**
     * @param {Object} content
     * @this wp.media.controller.Region
     */
    iframeContent: function( content ) {
        this.$el.addClass('hide-toolbar');
        content.view = new wp.media.view.Iframe({
            controller: this
        });
    },

    iframeContentCleanup: function() {
        this.$el.removeClass('hide-toolbar');
    },

    iframeMenu: function( view ) {
        var views = {};

        if ( ! view ) {
            return;
        }

        _.each( wp.media.view.settings.tabs, function( title, id ) {
            views[ 'iframe:' + id ] = {
                text: this.state( 'iframe:' + id ).get('title'),
                priority: 200
            };
        }, this );

        view.set( views );
    },

    hijackThickbox: function() {
        var frame = this;

        if ( ! window.tb_remove || this._tb_remove ) {
            return;
        }

        this._tb_remove = window.tb_remove;
        window.tb_remove = function() {
            frame.close();
            frame.reset();
            frame.setState( frame.options.state );
            frame._tb_remove.call( window );
        };
    },

    restoreThickbox: function() {
        if ( ! this._tb_remove ) {
            return;
        }

        window.tb_remove = this._tb_remove;
        delete this._tb_remove;
    }
});

// Map some of the modal's methods to the frame.
_.each(['open','close','attach','detach','escape'], function( method ) {
    /**
     * @function open
     * @memberOf wp.media.view.MediaFrame
     * @instance
     *
     * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
     */
    /**
     * @function close
     * @memberOf wp.media.view.MediaFrame
     * @instance
     *
     * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
     */
    /**
     * @function attach
     * @memberOf wp.media.view.MediaFrame
     * @instance
     *
     * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
     */
    /**
     * @function detach
     * @memberOf wp.media.view.MediaFrame
     * @instance
     *
     * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
     */
    /**
     * @function escape
     * @memberOf wp.media.view.MediaFrame
     * @instance
     *
     * @returns {wp.media.view.MediaFrame} Returns itself to allow chaining
     */
    MediaFrame.prototype[ method ] = function() {
        if ( this.modal ) {
            this.modal[ method ].apply( this.modal, arguments );
        }
        return this;
    };
});

module.exports = MediaFrame;


/***/ }),
/* 48 */
/***/ (function(module, exports) {

var MediaFrame = wp.media.view.MediaFrame,
    l10n = wp.media.view.l10n,
    Select;

/**
 * wp.media.view.MediaFrame.Select
 *
 * A frame for selecting an item or items from the media library.
 *
 * @memberOf wp.media.view.MediaFrame
 *
 * @class
 * @augments wp.media.view.MediaFrame
 * @augments wp.media.view.Frame
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 * @mixes wp.media.controller.StateMachine
 */
Select = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.Select.prototype */{
    initialize: function() {
        // Call 'initialize' directly on the parent class.
        MediaFrame.prototype.initialize.apply( this, arguments );

        _.defaults( this.options, {
            selection: [],
            library:   {},
            multiple:  false,
            state:    'library'
        });

        this.createSelection();
        this.createStates();
        this.bindHandlers();
    },

    /**
     * Attach a selection collection to the frame.
     *
     * A selection is a collection of attachments used for a specific purpose
     * by a media frame. e.g. Selecting an attachment (or many) to insert into
     * post content.
     *
     * @see media.model.Selection
     */
    createSelection: function() {
        var selection = this.options.selection;

        if ( ! (selection instanceof wp.media.model.Selection) ) {
            this.options.selection = new wp.media.model.Selection( selection, {
                multiple: this.options.multiple
            });
        }

        this._selection = {
            attachments: new wp.media.model.Attachments(),
            difference: []
        };
    },

    /**
     * Create the default states on the frame.
     */
    createStates: function() {
        var options = this.options;

        if ( this.options.states ) {
            return;
        }

        // Add the default states.
        this.states.add([
            // Main states.
            new wp.media.controller.Library({
                library:   wp.media.query( options.library ),
                multiple:  options.multiple,
                title:     options.title,
                priority:  20
            })
        ]);
    },

    /**
     * Bind region mode event callbacks.
     *
     * @see media.controller.Region.render
     */
    bindHandlers: function() {
        this.on( 'router:create:browse', this.createRouter, this );
        this.on( 'router:render:browse', this.browseRouter, this );
        this.on( 'content:create:browse', this.browseContent, this );
        this.on( 'content:render:upload', this.uploadContent, this );
        this.on( 'toolbar:create:select', this.createSelectToolbar, this );
    },

    /**
     * Render callback for the router region in the `browse` mode.
     *
     * @param {wp.media.view.Router} routerView
     */
    browseRouter: function( routerView ) {
        routerView.set({
            upload: {
                text:     l10n.uploadFilesTitle,
                priority: 20
            },
            browse: {
                text:     l10n.mediaLibraryTitle,
                priority: 40
            }
        });
    },

    /**
     * Render callback for the content region in the `browse` mode.
     *
     * @param {wp.media.controller.Region} contentRegion
     */
    browseContent: function( contentRegion ) {
        var state = this.state();

        this.$el.removeClass('hide-toolbar');

        // Browse our library of attachments.
        contentRegion.view = new wp.media.view.AttachmentsBrowser({
            controller: this,
            collection: state.get('library'),
            selection:  state.get('selection'),
            model:      state,
            sortable:   state.get('sortable'),
            search:     state.get('searchable'),
            filters:    state.get('filterable'),
            date:       state.get('date'),
            display:    state.has('display') ? state.get('display') : state.get('displaySettings'),
            dragInfo:   state.get('dragInfo'),

            idealColumnWidth: state.get('idealColumnWidth'),
            suggestedWidth:   state.get('suggestedWidth'),
            suggestedHeight:  state.get('suggestedHeight'),

            AttachmentView: state.get('AttachmentView')
        });
    },

    /**
     * Render callback for the content region in the `upload` mode.
     */
    uploadContent: function() {
        this.$el.removeClass( 'hide-toolbar' );
        this.content.set( new wp.media.view.UploaderInline({
            controller: this
        }) );
    },

    /**
     * Toolbars
     *
     * @param {Object} toolbar
     * @param {Object} [options={}]
     * @this wp.media.controller.Region
     */
    createSelectToolbar: function( toolbar, options ) {
        options = options || this.options.button || {};
        options.controller = this;

        toolbar.view = new wp.media.view.Toolbar.Select( options );
    }
});

module.exports = Select;


/***/ }),
/* 49 */
/***/ (function(module, exports) {

var Select = wp.media.view.MediaFrame.Select,
    Library = wp.media.controller.Library,
    l10n = wp.media.view.l10n,
    Post;

/**
 * wp.media.view.MediaFrame.Post
 *
 * The frame for manipulating media on the Edit Post page.
 *
 * @memberOf wp.media.view.MediaFrame
 *
 * @class
 * @augments wp.media.view.MediaFrame.Select
 * @augments wp.media.view.MediaFrame
 * @augments wp.media.view.Frame
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 * @mixes wp.media.controller.StateMachine
 */
Post = Select.extend(/** @lends wp.media.view.MediaFrame.Post.prototype */{
    initialize: function() {
        this.counts = {
            audio: {
                count: wp.media.view.settings.attachmentCounts.audio,
                state: 'playlist'
            },
            video: {
                count: wp.media.view.settings.attachmentCounts.video,
                state: 'video-playlist'
            }
        };

        _.defaults( this.options, {
            multiple:  true,
            editing:   false,
            state:    'insert',
            metadata:  {}
        });

        // Call 'initialize' directly on the parent class.
        Select.prototype.initialize.apply( this, arguments );
        this.createIframeStates();

    },

    /**
     * Create the default states.
     */
    createStates: function() {
        var options = this.options;

        this.states.add([
            // Main states.
            new Library({
                id:         'insert',
                title:      l10n.insertMediaTitle,
                priority:   20,
                toolbar:    'main-insert',
                filterable: 'all',
                library:    wp.media.query( options.library ),
                multiple:   options.multiple ? 'reset' : false,
                editable:   true,

                // If the user isn't allowed to edit fields,
                // can they still edit it locally?
                allowLocalEdits: true,

                // Show the attachment display settings.
                displaySettings: true,
                // Update user settings when users adjust the
                // attachment display settings.
                displayUserSettings: true
            }),

            new Library({
                id:         'gallery',
                title:      l10n.createGalleryTitle,
                priority:   40,
                toolbar:    'main-gallery',
                filterable: 'uploaded',
                multiple:   'add',
                editable:   false,

                library:  wp.media.query( _.defaults({
                    type: 'image'
                }, options.library ) )
            }),

            // Embed states.
            new wp.media.controller.Embed( { metadata: options.metadata } ),

            new wp.media.controller.EditImage( { model: options.editImage } ),

            // Gallery states.
            new wp.media.controller.GalleryEdit({
                library: options.selection,
                editing: options.editing,
                menu:    'gallery'
            }),

            new wp.media.controller.GalleryAdd(),

            new Library({
                id:         'playlist',
                title:      l10n.createPlaylistTitle,
                priority:   60,
                toolbar:    'main-playlist',
                filterable: 'uploaded',
                multiple:   'add',
                editable:   false,

                library:  wp.media.query( _.defaults({
                    type: 'audio'
                }, options.library ) )
            }),

            // Playlist states.
            new wp.media.controller.CollectionEdit({
                type: 'audio',
                collectionType: 'playlist',
                title:          l10n.editPlaylistTitle,
                SettingsView:   wp.media.view.Settings.Playlist,
                library:        options.selection,
                editing:        options.editing,
                menu:           'playlist',
                dragInfoText:   l10n.playlistDragInfo,
                dragInfo:       false
            }),

            new wp.media.controller.CollectionAdd({
                type: 'audio',
                collectionType: 'playlist',
                title: l10n.addToPlaylistTitle
            }),

            new Library({
                id:         'video-playlist',
                title:      l10n.createVideoPlaylistTitle,
                priority:   60,
                toolbar:    'main-video-playlist',
                filterable: 'uploaded',
                multiple:   'add',
                editable:   false,

                library:  wp.media.query( _.defaults({
                    type: 'video'
                }, options.library ) )
            }),

            new wp.media.controller.CollectionEdit({
                type: 'video',
                collectionType: 'playlist',
                title:          l10n.editVideoPlaylistTitle,
                SettingsView:   wp.media.view.Settings.Playlist,
                library:        options.selection,
                editing:        options.editing,
                menu:           'video-playlist',
                dragInfoText:   l10n.videoPlaylistDragInfo,
                dragInfo:       false
            }),

            new wp.media.controller.CollectionAdd({
                type: 'video',
                collectionType: 'playlist',
                title: l10n.addToVideoPlaylistTitle
            })
        ]);

        if ( wp.media.view.settings.post.featuredImageId ) {
            this.states.add( new wp.media.controller.FeaturedImage() );
        }
    },

    bindHandlers: function() {
        var handlers, checkCounts;

        Select.prototype.bindHandlers.apply( this, arguments );

        this.on( 'activate', this.activate, this );

        // Only bother checking media type counts if one of the counts is zero
        checkCounts = _.find( this.counts, function( type ) {
            return type.count === 0;
        } );

        if ( typeof checkCounts !== 'undefined' ) {
            this.listenTo( wp.media.model.Attachments.all, 'change:type', this.mediaTypeCounts );
        }

        this.on( 'menu:create:gallery', this.createMenu, this );
        this.on( 'menu:create:playlist', this.createMenu, this );
        this.on( 'menu:create:video-playlist', this.createMenu, this );
        this.on( 'toolbar:create:main-insert', this.createToolbar, this );
        this.on( 'toolbar:create:main-gallery', this.createToolbar, this );
        this.on( 'toolbar:create:main-playlist', this.createToolbar, this );
        this.on( 'toolbar:create:main-video-playlist', this.createToolbar, this );
        this.on( 'toolbar:create:featured-image', this.featuredImageToolbar, this );
        this.on( 'toolbar:create:main-embed', this.mainEmbedToolbar, this );

        handlers = {
            menu: {
                'default': 'mainMenu',
                'gallery': 'galleryMenu',
                'playlist': 'playlistMenu',
                'video-playlist': 'videoPlaylistMenu'
            },

            content: {
                'embed':          'embedContent',
                'edit-image':     'editImageContent',
                'edit-selection': 'editSelectionContent'
            },

            toolbar: {
                'main-insert':      'mainInsertToolbar',
                'main-gallery':     'mainGalleryToolbar',
                'gallery-edit':     'galleryEditToolbar',
                'gallery-add':      'galleryAddToolbar',
                'main-playlist':    'mainPlaylistToolbar',
                'playlist-edit':    'playlistEditToolbar',
                'playlist-add':        'playlistAddToolbar',
                'main-video-playlist': 'mainVideoPlaylistToolbar',
                'video-playlist-edit': 'videoPlaylistEditToolbar',
                'video-playlist-add': 'videoPlaylistAddToolbar'
            }
        };

        _.each( handlers, function( regionHandlers, region ) {
            _.each( regionHandlers, function( callback, handler ) {
                this.on( region + ':render:' + handler, this[ callback ], this );
            }, this );
        }, this );
    },

    activate: function() {
        // Hide menu items for states tied to particular media types if there are no items
        _.each( this.counts, function( type ) {
            if ( type.count < 1 ) {
                this.menuItemVisibility( type.state, 'hide' );
            }
        }, this );
    },

    mediaTypeCounts: function( model, attr ) {
        if ( typeof this.counts[ attr ] !== 'undefined' && this.counts[ attr ].count < 1 ) {
            this.counts[ attr ].count++;
            this.menuItemVisibility( this.counts[ attr ].state, 'show' );
        }
    },

    // Menus
    /**
     * @param {wp.Backbone.View} view
     */
    mainMenu: function( view ) {
        view.set({
            'library-separator': new wp.media.View({
                className: 'separator',
                priority: 100
            })
        });
    },

    menuItemVisibility: function( state, visibility ) {
        var menu = this.menu.get();
        if ( visibility === 'hide' ) {
            menu.hide( state );
        } else if ( visibility === 'show' ) {
            menu.show( state );
        }
    },
    /**
     * @param {wp.Backbone.View} view
     */
    galleryMenu: function( view ) {
        var lastState = this.lastState(),
            previous = lastState && lastState.id,
            frame = this;

        view.set({
            cancel: {
                text:     l10n.cancelGalleryTitle,
                priority: 20,
                click:    function() {
                    if ( previous ) {
                        frame.setState( previous );
                    } else {
                        frame.close();
                    }

                    // Keep focus inside media modal
                    // after canceling a gallery
                    this.controller.modal.focusManager.focus();
                }
            },
            separateCancel: new wp.media.View({
                className: 'separator',
                priority: 40
            })
        });
    },

    playlistMenu: function( view ) {
        var lastState = this.lastState(),
            previous = lastState && lastState.id,
            frame = this;

        view.set({
            cancel: {
                text:     l10n.cancelPlaylistTitle,
                priority: 20,
                click:    function() {
                    if ( previous ) {
                        frame.setState( previous );
                    } else {
                        frame.close();
                    }
                }
            },
            separateCancel: new wp.media.View({
                className: 'separator',
                priority: 40
            })
        });
    },

    videoPlaylistMenu: function( view ) {
        var lastState = this.lastState(),
            previous = lastState && lastState.id,
            frame = this;

        view.set({
            cancel: {
                text:     l10n.cancelVideoPlaylistTitle,
                priority: 20,
                click:    function() {
                    if ( previous ) {
                        frame.setState( previous );
                    } else {
                        frame.close();
                    }
                }
            },
            separateCancel: new wp.media.View({
                className: 'separator',
                priority: 40
            })
        });
    },

    // Content
    embedContent: function() {
        var view = new wp.media.view.Embed({
            controller: this,
            model:      this.state()
        }).render();

        this.content.set( view );

        if ( ! wp.media.isTouchDevice ) {
            view.url.focus();
        }
    },

    editSelectionContent: function() {
        var state = this.state(),
            selection = state.get('selection'),
            view;

        view = new wp.media.view.AttachmentsBrowser({
            controller: this,
            collection: selection,
            selection:  selection,
            model:      state,
            sortable:   true,
            search:     false,
            date:       false,
            dragInfo:   true,

            AttachmentView: wp.media.view.Attachments.EditSelection
        }).render();

        view.toolbar.set( 'backToLibrary', {
            text:     l10n.returnToLibrary,
            priority: -100,

            click: function() {
                this.controller.content.mode('browse');
            }
        });

        // Browse our library of attachments.
        this.content.set( view );

        // Trigger the controller to set focus
        this.trigger( 'edit:selection', this );
    },

    editImageContent: function() {
        var image = this.state().get('image'),
            view = new wp.media.view.EditImage( { model: image, controller: this } ).render();

        this.content.set( view );

        // after creating the wrapper view, load the actual editor via an ajax call
        view.loadEditor();

    },

    // Toolbars

    /**
     * @param {wp.Backbone.View} view
     */
    selectionStatusToolbar: function( view ) {
        var editable = this.state().get('editable');

        view.set( 'selection', new wp.media.view.Selection({
            controller: this,
            collection: this.state().get('selection'),
            priority:   -40,

            // If the selection is editable, pass the callback to
            // switch the content mode.
            editable: editable && function() {
                this.controller.content.mode('edit-selection');
            }
        }).render() );
    },

    /**
     * @param {wp.Backbone.View} view
     */
    mainInsertToolbar: function( view ) {
        var controller = this;

        this.selectionStatusToolbar( view );

        view.set( 'insert', {
            style:    'primary',
            priority: 80,
            text:     l10n.insertIntoPost,
            requires: { selection: true },

            /**
             * @callback
             * @fires wp.media.controller.State#insert
             */
            click: function() {
                var state = controller.state(),
                    selection = state.get('selection');

                controller.close();
                state.trigger( 'insert', selection ).reset();
            }
        });
    },

    /**
     * @param {wp.Backbone.View} view
     */
    mainGalleryToolbar: function( view ) {
        var controller = this;

        this.selectionStatusToolbar( view );

        view.set( 'gallery', {
            style:    'primary',
            text:     l10n.createNewGallery,
            priority: 60,
            requires: { selection: true },

            click: function() {
                var selection = controller.state().get('selection'),
                    edit = controller.state('gallery-edit'),
                    models = selection.where({ type: 'image' });

                edit.set( 'library', new wp.media.model.Selection( models, {
                    props:    selection.props.toJSON(),
                    multiple: true
                }) );

                this.controller.setState('gallery-edit');

                // Keep focus inside media modal
                // after jumping to gallery view
                this.controller.modal.focusManager.focus();
            }
        });
    },

    mainPlaylistToolbar: function( view ) {
        var controller = this;

        this.selectionStatusToolbar( view );

        view.set( 'playlist', {
            style:    'primary',
            text:     l10n.createNewPlaylist,
            priority: 100,
            requires: { selection: true },

            click: function() {
                var selection = controller.state().get('selection'),
                    edit = controller.state('playlist-edit'),
                    models = selection.where({ type: 'audio' });

                edit.set( 'library', new wp.media.model.Selection( models, {
                    props:    selection.props.toJSON(),
                    multiple: true
                }) );

                this.controller.setState('playlist-edit');

                // Keep focus inside media modal
                // after jumping to playlist view
                this.controller.modal.focusManager.focus();
            }
        });
    },

    mainVideoPlaylistToolbar: function( view ) {
        var controller = this;

        this.selectionStatusToolbar( view );

        view.set( 'video-playlist', {
            style:    'primary',
            text:     l10n.createNewVideoPlaylist,
            priority: 100,
            requires: { selection: true },

            click: function() {
                var selection = controller.state().get('selection'),
                    edit = controller.state('video-playlist-edit'),
                    models = selection.where({ type: 'video' });

                edit.set( 'library', new wp.media.model.Selection( models, {
                    props:    selection.props.toJSON(),
                    multiple: true
                }) );

                this.controller.setState('video-playlist-edit');

                // Keep focus inside media modal
                // after jumping to video playlist view
                this.controller.modal.focusManager.focus();
            }
        });
    },

    featuredImageToolbar: function( toolbar ) {
        this.createSelectToolbar( toolbar, {
            text:  l10n.setFeaturedImage,
            state: this.options.state
        });
    },

    mainEmbedToolbar: function( toolbar ) {
        toolbar.view = new wp.media.view.Toolbar.Embed({
            controller: this
        });
    },

    galleryEditToolbar: function() {
        var editing = this.state().get('editing');
        this.toolbar.set( new wp.media.view.Toolbar({
            controller: this,
            items: {
                insert: {
                    style:    'primary',
                    text:     editing ? l10n.updateGallery : l10n.insertGallery,
                    priority: 80,
                    requires: { library: true },

                    /**
                     * @fires wp.media.controller.State#update
                     */
                    click: function() {
                        var controller = this.controller,
                            state = controller.state();

                        controller.close();
                        state.trigger( 'update', state.get('library') );

                        // Restore and reset the default state.
                        controller.setState( controller.options.state );
                        controller.reset();
                    }
                }
            }
        }) );
    },

    galleryAddToolbar: function() {
        this.toolbar.set( new wp.media.view.Toolbar({
            controller: this,
            items: {
                insert: {
                    style:    'primary',
                    text:     l10n.addToGallery,
                    priority: 80,
                    requires: { selection: true },

                    /**
                     * @fires wp.media.controller.State#reset
                     */
                    click: function() {
                        var controller = this.controller,
                            state = controller.state(),
                            edit = controller.state('gallery-edit');

                        edit.get('library').add( state.get('selection').models );
                        state.trigger('reset');
                        controller.setState('gallery-edit');
                    }
                }
            }
        }) );
    },

    playlistEditToolbar: function() {
        var editing = this.state().get('editing');
        this.toolbar.set( new wp.media.view.Toolbar({
            controller: this,
            items: {
                insert: {
                    style:    'primary',
                    text:     editing ? l10n.updatePlaylist : l10n.insertPlaylist,
                    priority: 80,
                    requires: { library: true },

                    /**
                     * @fires wp.media.controller.State#update
                     */
                    click: function() {
                        var controller = this.controller,
                            state = controller.state();

                        controller.close();
                        state.trigger( 'update', state.get('library') );

                        // Restore and reset the default state.
                        controller.setState( controller.options.state );
                        controller.reset();
                    }
                }
            }
        }) );
    },

    playlistAddToolbar: function() {
        this.toolbar.set( new wp.media.view.Toolbar({
            controller: this,
            items: {
                insert: {
                    style:    'primary',
                    text:     l10n.addToPlaylist,
                    priority: 80,
                    requires: { selection: true },

                    /**
                     * @fires wp.media.controller.State#reset
                     */
                    click: function() {
                        var controller = this.controller,
                            state = controller.state(),
                            edit = controller.state('playlist-edit');

                        edit.get('library').add( state.get('selection').models );
                        state.trigger('reset');
                        controller.setState('playlist-edit');
                    }
                }
            }
        }) );
    },

    videoPlaylistEditToolbar: function() {
        var editing = this.state().get('editing');
        this.toolbar.set( new wp.media.view.Toolbar({
            controller: this,
            items: {
                insert: {
                    style:    'primary',
                    text:     editing ? l10n.updateVideoPlaylist : l10n.insertVideoPlaylist,
                    priority: 140,
                    requires: { library: true },

                    click: function() {
                        var controller = this.controller,
                            state = controller.state(),
                            library = state.get('library');

                        library.type = 'video';

                        controller.close();
                        state.trigger( 'update', library );

                        // Restore and reset the default state.
                        controller.setState( controller.options.state );
                        controller.reset();
                    }
                }
            }
        }) );
    },

    videoPlaylistAddToolbar: function() {
        this.toolbar.set( new wp.media.view.Toolbar({
            controller: this,
            items: {
                insert: {
                    style:    'primary',
                    text:     l10n.addToVideoPlaylist,
                    priority: 140,
                    requires: { selection: true },

                    click: function() {
                        var controller = this.controller,
                            state = controller.state(),
                            edit = controller.state('video-playlist-edit');

                        edit.get('library').add( state.get('selection').models );
                        state.trigger('reset');
                        controller.setState('video-playlist-edit');
                    }
                }
            }
        }) );
    }
});

module.exports = Post;


/***/ }),
/* 50 */
/***/ (function(module, exports) {

var Select = wp.media.view.MediaFrame.Select,
    l10n = wp.media.view.l10n,
    ImageDetails;

/**
 * wp.media.view.MediaFrame.ImageDetails
 *
 * A media frame for manipulating an image that's already been inserted
 * into a post.
 *
 * @memberOf wp.media.view.MediaFrame
 *
 * @class
 * @augments wp.media.view.MediaFrame.Select
 * @augments wp.media.view.MediaFrame
 * @augments wp.media.view.Frame
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 * @mixes wp.media.controller.StateMachine
 */
ImageDetails = Select.extend(/** @lends wp.media.view.MediaFrame.ImageDetails.prototype */{
    defaults: {
        id:      'image',
        url:     '',
        menu:    'image-details',
        content: 'image-details',
        toolbar: 'image-details',
        type:    'link',
        title:    l10n.imageDetailsTitle,
        priority: 120
    },

    initialize: function( options ) {
        this.image = new wp.media.model.PostImage( options.metadata );
        this.options.selection = new wp.media.model.Selection( this.image.attachment, { multiple: false } );
        Select.prototype.initialize.apply( this, arguments );
    },

    bindHandlers: function() {
        Select.prototype.bindHandlers.apply( this, arguments );
        this.on( 'menu:create:image-details', this.createMenu, this );
        this.on( 'content:create:image-details', this.imageDetailsContent, this );
        this.on( 'content:render:edit-image', this.editImageContent, this );
        this.on( 'toolbar:render:image-details', this.renderImageDetailsToolbar, this );
        // override the select toolbar
        this.on( 'toolbar:render:replace', this.renderReplaceImageToolbar, this );
    },

    createStates: function() {
        this.states.add([
            new wp.media.controller.ImageDetails({
                image: this.image,
                editable: false
            }),
            new wp.media.controller.ReplaceImage({
                id: 'replace-image',
                library: wp.media.query( { type: 'image' } ),
                image: this.image,
                multiple:  false,
                title:     l10n.imageReplaceTitle,
                toolbar: 'replace',
                priority:  80,
                displaySettings: true
            }),
            new wp.media.controller.EditImage( {
                image: this.image,
                selection: this.options.selection
            } )
        ]);
    },

    imageDetailsContent: function( options ) {
        options.view = new wp.media.view.ImageDetails({
            controller: this,
            model: this.state().image,
            attachment: this.state().image.attachment
        });
    },

    editImageContent: function() {
        var state = this.state(),
            model = state.get('image'),
            view;

        if ( ! model ) {
            return;
        }

        view = new wp.media.view.EditImage( { model: model, controller: this } ).render();

        this.content.set( view );

        // after bringing in the frame, load the actual editor via an ajax call
        view.loadEditor();

    },

    renderImageDetailsToolbar: function() {
        this.toolbar.set( new wp.media.view.Toolbar({
            controller: this,
            items: {
                select: {
                    style:    'primary',
                    text:     l10n.update,
                    priority: 80,

                    click: function() {
                        var controller = this.controller,
                            state = controller.state();

                        controller.close();

                        // not sure if we want to use wp.media.string.image which will create a shortcode or
                        // perhaps wp.html.string to at least to build the <img />
                        state.trigger( 'update', controller.image.toJSON() );

                        // Restore and reset the default state.
                        controller.setState( controller.options.state );
                        controller.reset();
                    }
                }
            }
        }) );
    },

    renderReplaceImageToolbar: function() {
        var frame = this,
            lastState = frame.lastState(),
            previous = lastState && lastState.id;

        this.toolbar.set( new wp.media.view.Toolbar({
            controller: this,
            items: {
                back: {
                    text:     l10n.back,
                    priority: 20,
                    click:    function() {
                        if ( previous ) {
                            frame.setState( previous );
                        } else {
                            frame.close();
                        }
                    }
                },

                replace: {
                    style:    'primary',
                    text:     l10n.replace,
                    priority: 80,
                    requires: { selection: true },

                    click: function() {
                        var controller = this.controller,
                            state = controller.state(),
                            selection = state.get( 'selection' ),
                            attachment = selection.single();

                        controller.close();

                        controller.image.changeAttachment( attachment, state.display( attachment ) );

                        // not sure if we want to use wp.media.string.image which will create a shortcode or
                        // perhaps wp.html.string to at least to build the <img />
                        state.trigger( 'replace', controller.image.toJSON() );

                        // Restore and reset the default state.
                        controller.setState( controller.options.state );
                        controller.reset();
                    }
                }
            }
        }) );
    }

});

module.exports = ImageDetails;


/***/ }),
/* 51 */
/***/ (function(module, exports) {

var $ = jQuery,
    Modal;

/**
 * wp.media.view.Modal
 *
 * A modal view, which the media modal uses as its default container.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
    tagName:  'div',
    template: wp.template('media-modal'),

    events: {
        'click .media-modal-backdrop, .media-modal-close': 'escapeHandler',
        'keydown': 'keydown'
    },

    clickedOpenerEl: null,

    initialize: function() {
        _.defaults( this.options, {
            container: document.body,
            title:     '',
            propagate: true
        });

        this.focusManager = new wp.media.view.FocusManager({
            el: this.el
        });
    },
    /**
     * @returns {Object}
     */
    prepare: function() {
        return {
            title: this.options.title
        };
    },

    /**
     * @returns {wp.media.view.Modal} Returns itself to allow chaining
     */
    attach: function() {
        if ( this.views.attached ) {
            return this;
        }

        if ( ! this.views.rendered ) {
            this.render();
        }

        this.$el.appendTo( this.options.container );

        // Manually mark the view as attached and trigger ready.
        this.views.attached = true;
        this.views.ready();

        return this.propagate('attach');
    },

    /**
     * @returns {wp.media.view.Modal} Returns itself to allow chaining
     */
    detach: function() {
        if ( this.$el.is(':visible') ) {
            this.close();
        }

        this.$el.detach();
        this.views.attached = false;
        return this.propagate('detach');
    },

    /**
     * @returns {wp.media.view.Modal} Returns itself to allow chaining
     */
    open: function() {
        var $el = this.$el,
            mceEditor;

        if ( $el.is(':visible') ) {
            return this;
        }

        this.clickedOpenerEl = document.activeElement;

        if ( ! this.views.attached ) {
            this.attach();
        }

        // Disable page scrolling.
        $( 'body' ).addClass( 'modal-open' );

        $el.show();

        // Try to close the onscreen keyboard
        if ( 'ontouchend' in document ) {
            if ( ( mceEditor = window.tinymce && window.tinymce.activeEditor ) && ! mceEditor.isHidden() && mceEditor.iframeElement ) {
                mceEditor.iframeElement.focus();
                mceEditor.iframeElement.blur();

                setTimeout( function() {
                    mceEditor.iframeElement.blur();
                }, 100 );
            }
        }

        // Set initial focus on the content instead of this view element, to avoid page scrolling.
        this.$( '.media-modal' ).focus();

        return this.propagate('open');
    },

    /**
     * @param {Object} options
     * @returns {wp.media.view.Modal} Returns itself to allow chaining
     */
    close: function( options ) {
        if ( ! this.views.attached || ! this.$el.is(':visible') ) {
            return this;
        }

        // Enable page scrolling.
        $( 'body' ).removeClass( 'modal-open' );

        // Hide modal and remove restricted media modal tab focus once it's closed
        this.$el.hide().undelegate( 'keydown' );

        // Put focus back in useful location once modal is closed.
        if ( null !== this.clickedOpenerEl ) {
            this.clickedOpenerEl.focus();
        } else {
            $( '#wpbody-content' ).focus();
        }

        this.propagate('close');

        if ( options && options.escape ) {
            this.propagate('escape');
        }

        return this;
    },
    /**
     * @returns {wp.media.view.Modal} Returns itself to allow chaining
     */
    escape: function() {
        return this.close({ escape: true });
    },
    /**
     * @param {Object} event
     */
    escapeHandler: function( event ) {
        event.preventDefault();
        this.escape();
    },

    /**
     * @param {Array|Object} content Views to register to '.media-modal-content'
     * @returns {wp.media.view.Modal} Returns itself to allow chaining
     */
    content: function( content ) {
        this.views.set( '.media-modal-content', content );
        return this;
    },

    /**
     * Triggers a modal event and if the `propagate` option is set,
     * forwards events to the modal's controller.
     *
     * @param {string} id
     * @returns {wp.media.view.Modal} Returns itself to allow chaining
     */
    propagate: function( id ) {
        this.trigger( id );

        if ( this.options.propagate ) {
            this.controller.trigger( id );
        }

        return this;
    },
    /**
     * @param {Object} event
     */
    keydown: function( event ) {
        // Close the modal when escape is pressed.
        if ( 27 === event.which && this.$el.is(':visible') ) {
            this.escape();
            event.stopImmediatePropagation();
        }
    }
});

module.exports = Modal;


/***/ }),
/* 52 */
/***/ (function(module, exports) {

/**
 * wp.media.view.FocusManager
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var FocusManager = wp.media.View.extend(/** @lends wp.media.view.FocusManager.prototype */{

    events: {
        'keydown': 'constrainTabbing'
    },

    focus: function() { // Reset focus on first left menu item
        this.$('.media-menu-item').first().focus();
    },
    /**
     * @param {Object} event
     */
    constrainTabbing: function( event ) {
        var tabbables;

        // Look for the tab key.
        if ( 9 !== event.keyCode ) {
            return;
        }

        // Skip the file input added by Plupload.
        tabbables = this.$( ':tabbable' ).not( '.moxie-shim input[type="file"]' );

        // Keep tab focus within media modal while it's open
        if ( tabbables.last()[0] === event.target && ! event.shiftKey ) {
            tabbables.first().focus();
            return false;
        } else if ( tabbables.first()[0] === event.target && event.shiftKey ) {
            tabbables.last().focus();
            return false;
        }
    }

});

module.exports = FocusManager;


/***/ }),
/* 53 */
/***/ (function(module, exports) {

var $ = jQuery,
    UploaderWindow;

/**
 * wp.media.view.UploaderWindow
 *
 * An uploader window that allows for dragging and dropping media.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 *
 * @param {object} [options]                   Options hash passed to the view.
 * @param {object} [options.uploader]          Uploader properties.
 * @param {jQuery} [options.uploader.browser]
 * @param {jQuery} [options.uploader.dropzone] jQuery collection of the dropzone.
 * @param {object} [options.uploader.params]
 */
UploaderWindow = wp.media.View.extend(/** @lends wp.media.view.UploaderWindow.prototype */{
    tagName:   'div',
    className: 'uploader-window',
    template:  wp.template('uploader-window'),

    initialize: function() {
        var uploader;

        this.$browser = $( '<button type="button" class="browser" />' ).hide().appendTo( 'body' );

        uploader = this.options.uploader = _.defaults( this.options.uploader || {}, {
            dropzone:  this.$el,
            browser:   this.$browser,
            params:    {}
        });

        // Ensure the dropzone is a jQuery collection.
        if ( uploader.dropzone && ! (uploader.dropzone instanceof $) ) {
            uploader.dropzone = $( uploader.dropzone );
        }

        this.controller.on( 'activate', this.refresh, this );

        this.controller.on( 'detach', function() {
            this.$browser.remove();
        }, this );
    },

    refresh: function() {
        if ( this.uploader ) {
            this.uploader.refresh();
        }
    },

    ready: function() {
        var postId = wp.media.view.settings.post.id,
            dropzone;

        // If the uploader already exists, bail.
        if ( this.uploader ) {
            return;
        }

        if ( postId ) {
            this.options.uploader.params.post_id = postId;
        }
        this.uploader = new wp.Uploader( this.options.uploader );

        dropzone = this.uploader.dropzone;
        dropzone.on( 'dropzone:enter', _.bind( this.show, this ) );
        dropzone.on( 'dropzone:leave', _.bind( this.hide, this ) );

        $( this.uploader ).on( 'uploader:ready', _.bind( this._ready, this ) );
    },

    _ready: function() {
        this.controller.trigger( 'uploader:ready' );
    },

    show: function() {
        var $el = this.$el.show();

        // Ensure that the animation is triggered by waiting until
        // the transparent element is painted into the DOM.
        _.defer( function() {
            $el.css({ opacity: 1 });
        });
    },

    hide: function() {
        var $el = this.$el.css({ opacity: 0 });

        wp.media.transition( $el ).done( function() {
            // Transition end events are subject to race conditions.
            // Make sure that the value is set as intended.
            if ( '0' === $el.css('opacity') ) {
                $el.hide();
            }
        });

        // https://core.trac.wordpress.org/ticket/27341
        _.delay( function() {
            if ( '0' === $el.css('opacity') && $el.is(':visible') ) {
                $el.hide();
            }
        }, 500 );
    }
});

module.exports = UploaderWindow;


/***/ }),
/* 54 */
/***/ (function(module, exports) {

var View = wp.media.View,
    l10n = wp.media.view.l10n,
    $ = jQuery,
    EditorUploader;

/**
 * Creates a dropzone on WP editor instances (elements with .wp-editor-wrap)
 * and relays drag'n'dropped files to a media workflow.
 *
 * wp.media.view.EditorUploader
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
EditorUploader = View.extend(/** @lends wp.media.view.EditorUploader.prototype */{
    tagName:   'div',
    className: 'uploader-editor',
    template:  wp.template( 'uploader-editor' ),

    localDrag: false,
    overContainer: false,
    overDropzone: false,
    draggingFile: null,

    /**
     * Bind drag'n'drop events to callbacks.
     */
    initialize: function() {
        this.initialized = false;

        // Bail if not enabled or UA does not support drag'n'drop or File API.
        if ( ! window.tinyMCEPreInit || ! window.tinyMCEPreInit.dragDropUpload || ! this.browserSupport() ) {
            return this;
        }

        this.$document = $(document);
        this.dropzones = [];
        this.files = [];

        this.$document.on( 'drop', '.uploader-editor', _.bind( this.drop, this ) );
        this.$document.on( 'dragover', '.uploader-editor', _.bind( this.dropzoneDragover, this ) );
        this.$document.on( 'dragleave', '.uploader-editor', _.bind( this.dropzoneDragleave, this ) );
        this.$document.on( 'click', '.uploader-editor', _.bind( this.click, this ) );

        this.$document.on( 'dragover', _.bind( this.containerDragover, this ) );
        this.$document.on( 'dragleave', _.bind( this.containerDragleave, this ) );

        this.$document.on( 'dragstart dragend drop', _.bind( function( event ) {
            this.localDrag = event.type === 'dragstart';

            if ( event.type === 'drop' ) {
                this.containerDragleave();
            }
        }, this ) );

        this.initialized = true;
        return this;
    },

    /**
     * Check browser support for drag'n'drop.
     *
     * @return Boolean
     */
    browserSupport: function() {
        var supports = false, div = document.createElement('div');

        supports = ( 'draggable' in div ) || ( 'ondragstart' in div && 'ondrop' in div );
        supports = supports && !! ( window.File && window.FileList && window.FileReader );
        return supports;
    },

    isDraggingFile: function( event ) {
        if ( this.draggingFile !== null ) {
            return this.draggingFile;
        }

        if ( _.isUndefined( event.originalEvent ) || _.isUndefined( event.originalEvent.dataTransfer ) ) {
            return false;
        }

        this.draggingFile = _.indexOf( event.originalEvent.dataTransfer.types, 'Files' ) > -1 &&
            _.indexOf( event.originalEvent.dataTransfer.types, 'text/plain' ) === -1;

        return this.draggingFile;
    },

    refresh: function( e ) {
        var dropzone_id;
        for ( dropzone_id in this.dropzones ) {
            // Hide the dropzones only if dragging has left the screen.
            this.dropzones[ dropzone_id ].toggle( this.overContainer || this.overDropzone );
        }

        if ( ! _.isUndefined( e ) ) {
            $( e.target ).closest( '.uploader-editor' ).toggleClass( 'droppable', this.overDropzone );
        }

        if ( ! this.overContainer && ! this.overDropzone ) {
            this.draggingFile = null;
        }

        return this;
    },

    render: function() {
        if ( ! this.initialized ) {
            return this;
        }

        View.prototype.render.apply( this, arguments );
        $( '.wp-editor-wrap' ).each( _.bind( this.attach, this ) );
        return this;
    },

    attach: function( index, editor ) {
        // Attach a dropzone to an editor.
        var dropzone = this.$el.clone();
        this.dropzones.push( dropzone );
        $( editor ).append( dropzone );
        return this;
    },

    /**
     * When a file is dropped on the editor uploader, open up an editor media workflow
     * and upload the file immediately.
     *
     * @param  {jQuery.Event} event The 'drop' event.
     */
    drop: function( event ) {
        var $wrap, uploadView;

        this.containerDragleave( event );
        this.dropzoneDragleave( event );

        this.files = event.originalEvent.dataTransfer.files;
        if ( this.files.length < 1 ) {
            return;
        }

        // Set the active editor to the drop target.
        $wrap = $( event.target ).parents( '.wp-editor-wrap' );
        if ( $wrap.length > 0 && $wrap[0].id ) {
            window.wpActiveEditor = $wrap[0].id.slice( 3, -5 );
        }

        if ( ! this.workflow ) {
            this.workflow = wp.media.editor.open( window.wpActiveEditor, {
                frame:    'post',
                state:    'insert',
                title:    l10n.addMedia,
                multiple: true
            });

            uploadView = this.workflow.uploader;

            if ( uploadView.uploader && uploadView.uploader.ready ) {
                this.addFiles.apply( this );
            } else {
                this.workflow.on( 'uploader:ready', this.addFiles, this );
            }
        } else {
            this.workflow.state().reset();
            this.addFiles.apply( this );
            this.workflow.open();
        }

        return false;
    },

    /**
     * Add the files to the uploader.
     */
    addFiles: function() {
        if ( this.files.length ) {
            this.workflow.uploader.uploader.uploader.addFile( _.toArray( this.files ) );
            this.files = [];
        }
        return this;
    },

    containerDragover: function( event ) {
        if ( this.localDrag || ! this.isDraggingFile( event ) ) {
            return;
        }

        this.overContainer = true;
        this.refresh();
    },

    containerDragleave: function() {
        this.overContainer = false;

        // Throttle dragleave because it's called when bouncing from some elements to others.
        _.delay( _.bind( this.refresh, this ), 50 );
    },

    dropzoneDragover: function( event ) {
        if ( this.localDrag || ! this.isDraggingFile( event ) ) {
            return;
        }

        this.overDropzone = true;
        this.refresh( event );
        return false;
    },

    dropzoneDragleave: function( e ) {
        this.overDropzone = false;
        _.delay( _.bind( this.refresh, this, e ), 50 );
    },

    click: function( e ) {
        // In the rare case where the dropzone gets stuck, hide it on click.
        this.containerDragleave( e );
        this.dropzoneDragleave( e );
        this.localDrag = false;
    }
});

module.exports = EditorUploader;


/***/ }),
/* 55 */
/***/ (function(module, exports) {

var View = wp.media.View,
    UploaderInline;

/**
 * wp.media.view.UploaderInline
 *
 * The inline uploader that shows up in the 'Upload Files' tab.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
UploaderInline = View.extend(/** @lends wp.media.view.UploaderInline.prototype */{
    tagName:   'div',
    className: 'uploader-inline',
    template:  wp.template('uploader-inline'),

    events: {
        'click .close': 'hide'
    },

    initialize: function() {
        _.defaults( this.options, {
            message: '',
            status:  true,
            canClose: false
        });

        if ( ! this.options.$browser && this.controller.uploader ) {
            this.options.$browser = this.controller.uploader.$browser;
        }

        if ( _.isUndefined( this.options.postId ) ) {
            this.options.postId = wp.media.view.settings.post.id;
        }

        if ( this.options.status ) {
            this.views.set( '.upload-inline-status', new wp.media.view.UploaderStatus({
                controller: this.controller
            }) );
        }
    },

    prepare: function() {
        var suggestedWidth = this.controller.state().get('suggestedWidth'),
            suggestedHeight = this.controller.state().get('suggestedHeight'),
            data = {};

        data.message = this.options.message;
        data.canClose = this.options.canClose;

        if ( suggestedWidth && suggestedHeight ) {
            data.suggestedWidth = suggestedWidth;
            data.suggestedHeight = suggestedHeight;
        }

        return data;
    },
    /**
     * @returns {wp.media.view.UploaderInline} Returns itself to allow chaining
     */
    dispose: function() {
        if ( this.disposing ) {
            /**
             * call 'dispose' directly on the parent class
             */
            return View.prototype.dispose.apply( this, arguments );
        }

        // Run remove on `dispose`, so we can be sure to refresh the
        // uploader with a view-less DOM. Track whether we're disposing
        // so we don't trigger an infinite loop.
        this.disposing = true;
        return this.remove();
    },
    /**
     * @returns {wp.media.view.UploaderInline} Returns itself to allow chaining
     */
    remove: function() {
        /**
         * call 'remove' directly on the parent class
         */
        var result = View.prototype.remove.apply( this, arguments );

        _.defer( _.bind( this.refresh, this ) );
        return result;
    },

    refresh: function() {
        var uploader = this.controller.uploader;

        if ( uploader ) {
            uploader.refresh();
        }
    },
    /**
     * @returns {wp.media.view.UploaderInline}
     */
    ready: function() {
        var $browser = this.options.$browser,
            $placeholder;

        if ( this.controller.uploader ) {
            $placeholder = this.$('.browser');

            // Check if we've already replaced the placeholder.
            if ( $placeholder[0] === $browser[0] ) {
                return;
            }

            $browser.detach().text( $placeholder.text() );
            $browser[0].className = $placeholder[0].className;
            $placeholder.replaceWith( $browser.show() );
        }

        this.refresh();
        return this;
    },
    show: function() {
        this.$el.removeClass( 'hidden' );
        if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
            this.controller.$uploaderToggler.attr( 'aria-expanded', 'true' );
        }
    },
    hide: function() {
        this.$el.addClass( 'hidden' );
        if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
            this.controller.$uploaderToggler
                .attr( 'aria-expanded', 'false' )
                // Move focus back to the toggle button when closing the uploader.
                .focus();
        }
    }

});

module.exports = UploaderInline;


/***/ }),
/* 56 */
/***/ (function(module, exports) {

var View = wp.media.View,
    UploaderStatus;

/**
 * wp.media.view.UploaderStatus
 *
 * An uploader status for on-going uploads.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
UploaderStatus = View.extend(/** @lends wp.media.view.UploaderStatus.prototype */{
    className: 'media-uploader-status',
    template:  wp.template('uploader-status'),

    events: {
        'click .upload-dismiss-errors': 'dismiss'
    },

    initialize: function() {
        this.queue = wp.Uploader.queue;
        this.queue.on( 'add remove reset', this.visibility, this );
        this.queue.on( 'add remove reset change:percent', this.progress, this );
        this.queue.on( 'add remove reset change:uploading', this.info, this );

        this.errors = wp.Uploader.errors;
        this.errors.reset();
        this.errors.on( 'add remove reset', this.visibility, this );
        this.errors.on( 'add', this.error, this );
    },
    /**
     * @returns {wp.media.view.UploaderStatus}
     */
    dispose: function() {
        wp.Uploader.queue.off( null, null, this );
        /**
         * call 'dispose' directly on the parent class
         */
        View.prototype.dispose.apply( this, arguments );
        return this;
    },

    visibility: function() {
        this.$el.toggleClass( 'uploading', !! this.queue.length );
        this.$el.toggleClass( 'errors', !! this.errors.length );
        this.$el.toggle( !! this.queue.length || !! this.errors.length );
    },

    ready: function() {
        _.each({
            '$bar':      '.media-progress-bar div',
            '$index':    '.upload-index',
            '$total':    '.upload-total',
            '$filename': '.upload-filename'
        }, function( selector, key ) {
            this[ key ] = this.$( selector );
        }, this );

        this.visibility();
        this.progress();
        this.info();
    },

    progress: function() {
        var queue = this.queue,
            $bar = this.$bar;

        if ( ! $bar || ! queue.length ) {
            return;
        }

        $bar.width( ( queue.reduce( function( memo, attachment ) {
            if ( ! attachment.get('uploading') ) {
                return memo + 100;
            }

            var percent = attachment.get('percent');
            return memo + ( _.isNumber( percent ) ? percent : 100 );
        }, 0 ) / queue.length ) + '%' );
    },

    info: function() {
        var queue = this.queue,
            index = 0, active;

        if ( ! queue.length ) {
            return;
        }

        active = this.queue.find( function( attachment, i ) {
            index = i;
            return attachment.get('uploading');
        });

        this.$index.text( index + 1 );
        this.$total.text( queue.length );
        this.$filename.html( active ? this.filename( active.get('filename') ) : '' );
    },
    /**
     * @param {string} filename
     * @returns {string}
     */
    filename: function( filename ) {
        return _.escape( filename );
    },
    /**
     * @param {Backbone.Model} error
     */
    error: function( error ) {
        this.views.add( '.upload-errors', new wp.media.view.UploaderStatusError({
            filename: this.filename( error.get('file').name ),
            message:  error.get('message')
        }), { at: 0 });
    },

    /**
     * @param {Object} event
     */
    dismiss: function( event ) {
        var errors = this.views.get('.upload-errors');

        event.preventDefault();

        if ( errors ) {
            _.invoke( errors, 'remove' );
        }
        wp.Uploader.errors.reset();
    }
});

module.exports = UploaderStatus;


/***/ }),
/* 57 */
/***/ (function(module, exports) {

/**
 * wp.media.view.UploaderStatusError
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var UploaderStatusError = wp.media.View.extend(/** @lends wp.media.view.UploaderStatusError.prototype */{
    className: 'upload-error',
    template:  wp.template('uploader-status-error')
});

module.exports = UploaderStatusError;


/***/ }),
/* 58 */
/***/ (function(module, exports) {

var View = wp.media.View,
    Toolbar;

/**
 * wp.media.view.Toolbar
 *
 * A toolbar which consists of a primary and a secondary section. Each sections
 * can be filled with views.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Toolbar = View.extend(/** @lends wp.media.view.Toolbar.prototype */{
    tagName:   'div',
    className: 'media-toolbar',

    initialize: function() {
        var state = this.controller.state(),
            selection = this.selection = state.get('selection'),
            library = this.library = state.get('library');

        this._views = {};

        // The toolbar is composed of two `PriorityList` views.
        this.primary   = new wp.media.view.PriorityList();
        this.secondary = new wp.media.view.PriorityList();
        this.primary.$el.addClass('media-toolbar-primary search-form');
        this.secondary.$el.addClass('media-toolbar-secondary');

        this.views.set([ this.secondary, this.primary ]);

        if ( this.options.items ) {
            this.set( this.options.items, { silent: true });
        }

        if ( ! this.options.silent ) {
            this.render();
        }

        if ( selection ) {
            selection.on( 'add remove reset', this.refresh, this );
        }

        if ( library ) {
            library.on( 'add remove reset', this.refresh, this );
        }
    },
    /**
     * @returns {wp.media.view.Toolbar} Returns itsef to allow chaining
     */
    dispose: function() {
        if ( this.selection ) {
            this.selection.off( null, null, this );
        }

        if ( this.library ) {
            this.library.off( null, null, this );
        }
        /**
         * call 'dispose' directly on the parent class
         */
        return View.prototype.dispose.apply( this, arguments );
    },

    ready: function() {
        this.refresh();
    },

    /**
     * @param {string} id
     * @param {Backbone.View|Object} view
     * @param {Object} [options={}]
     * @returns {wp.media.view.Toolbar} Returns itself to allow chaining
     */
    set: function( id, view, options ) {
        var list;
        options = options || {};

        // Accept an object with an `id` : `view` mapping.
        if ( _.isObject( id ) ) {
            _.each( id, function( view, id ) {
                this.set( id, view, { silent: true });
            }, this );

        } else {
            if ( ! ( view instanceof Backbone.View ) ) {
                view.classes = [ 'media-button-' + id ].concat( view.classes || [] );
                view = new wp.media.view.Button( view ).render();
            }

            view.controller = view.controller || this.controller;

            this._views[ id ] = view;

            list = view.options.priority < 0 ? 'secondary' : 'primary';
            this[ list ].set( id, view, options );
        }

        if ( ! options.silent ) {
            this.refresh();
        }

        return this;
    },
    /**
     * @param {string} id
     * @returns {wp.media.view.Button}
     */
    get: function( id ) {
        return this._views[ id ];
    },
    /**
     * @param {string} id
     * @param {Object} options
     * @returns {wp.media.view.Toolbar} Returns itself to allow chaining
     */
    unset: function( id, options ) {
        delete this._views[ id ];
        this.primary.unset( id, options );
        this.secondary.unset( id, options );

        if ( ! options || ! options.silent ) {
            this.refresh();
        }
        return this;
    },

    refresh: function() {
        var state = this.controller.state(),
            library = state.get('library'),
            selection = state.get('selection');

        _.each( this._views, function( button ) {
            if ( ! button.model || ! button.options || ! button.options.requires ) {
                return;
            }

            var requires = button.options.requires,
                disabled = false;

            // Prevent insertion of attachments if any of them are still uploading
            if ( selection && selection.models ) {
                disabled = _.some( selection.models, function( attachment ) {
                    return attachment.get('uploading') === true;
                });
            }

            if ( requires.selection && selection && ! selection.length ) {
                disabled = true;
            } else if ( requires.library && library && ! library.length ) {
                disabled = true;
            }
            button.model.set( 'disabled', disabled );
        });
    }
});

module.exports = Toolbar;


/***/ }),
/* 59 */
/***/ (function(module, exports) {

var Toolbar = wp.media.view.Toolbar,
    l10n = wp.media.view.l10n,
    Select;

/**
 * wp.media.view.Toolbar.Select
 *
 * @memberOf wp.media.view.Toolbar
 *
 * @class
 * @augments wp.media.view.Toolbar
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Select = Toolbar.extend(/** @lends wp.media.view.Toolbar.Select.prototype */{
    initialize: function() {
        var options = this.options;

        _.bindAll( this, 'clickSelect' );

        _.defaults( options, {
            event: 'select',
            state: false,
            reset: true,
            close: true,
            text:  l10n.select,

            // Does the button rely on the selection?
            requires: {
                selection: true
            }
        });

        options.items = _.defaults( options.items || {}, {
            select: {
                style:    'primary',
                text:     options.text,
                priority: 80,
                click:    this.clickSelect,
                requires: options.requires
            }
        });
        // Call 'initialize' directly on the parent class.
        Toolbar.prototype.initialize.apply( this, arguments );
    },

    clickSelect: function() {
        var options = this.options,
            controller = this.controller;

        if ( options.close ) {
            controller.close();
        }

        if ( options.event ) {
            controller.state().trigger( options.event );
        }

        if ( options.state ) {
            controller.setState( options.state );
        }

        if ( options.reset ) {
            controller.reset();
        }
    }
});

module.exports = Select;


/***/ }),
/* 60 */
/***/ (function(module, exports) {

var Select = wp.media.view.Toolbar.Select,
    l10n = wp.media.view.l10n,
    Embed;

/**
 * wp.media.view.Toolbar.Embed
 *
 * @memberOf wp.media.view.Toolbar
 *
 * @class
 * @augments wp.media.view.Toolbar.Select
 * @augments wp.media.view.Toolbar
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Embed = Select.extend(/** @lends wp.media.view.Toolbar.Embed.prototype */{
    initialize: function() {
        _.defaults( this.options, {
            text: l10n.insertIntoPost,
            requires: false
        });
        // Call 'initialize' directly on the parent class.
        Select.prototype.initialize.apply( this, arguments );
    },

    refresh: function() {
        var url = this.controller.state().props.get('url');
        this.get('select').model.set( 'disabled', ! url || url === 'http://' );
        /**
         * call 'refresh' directly on the parent class
         */
        Select.prototype.refresh.apply( this, arguments );
    }
});

module.exports = Embed;


/***/ }),
/* 61 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Button
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Button = wp.media.View.extend(/** @lends wp.media.view.Button.prototype */{
    tagName:    'button',
    className:  'media-button',
    attributes: { type: 'button' },

    events: {
        'click': 'click'
    },

    defaults: {
        text:     '',
        style:    '',
        size:     'large',
        disabled: false
    },

    initialize: function() {
        /**
         * Create a model with the provided `defaults`.
         *
         * @member {Backbone.Model}
         */
        this.model = new Backbone.Model( this.defaults );

        // If any of the `options` have a key from `defaults`, apply its
        // value to the `model` and remove it from the `options object.
        _.each( this.defaults, function( def, key ) {
            var value = this.options[ key ];
            if ( _.isUndefined( value ) ) {
                return;
            }

            this.model.set( key, value );
            delete this.options[ key ];
        }, this );

        this.listenTo( this.model, 'change', this.render );
    },
    /**
     * @returns {wp.media.view.Button} Returns itself to allow chaining
     */
    render: function() {
        var classes = [ 'button', this.className ],
            model = this.model.toJSON();

        if ( model.style ) {
            classes.push( 'button-' + model.style );
        }

        if ( model.size ) {
            classes.push( 'button-' + model.size );
        }

        classes = _.uniq( classes.concat( this.options.classes ) );
        this.el.className = classes.join(' ');

        this.$el.attr( 'disabled', model.disabled );
        this.$el.text( this.model.get('text') );

        return this;
    },
    /**
     * @param {Object} event
     */
    click: function( event ) {
        if ( '#' === this.attributes.href ) {
            event.preventDefault();
        }

        if ( this.options.click && ! this.model.get('disabled') ) {
            this.options.click.apply( this, arguments );
        }
    }
});

module.exports = Button;


/***/ }),
/* 62 */
/***/ (function(module, exports) {

var $ = Backbone.$,
    ButtonGroup;

/**
 * wp.media.view.ButtonGroup
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
ButtonGroup = wp.media.View.extend(/** @lends wp.media.view.ButtonGroup.prototype */{
    tagName:   'div',
    className: 'button-group button-large media-button-group',

    initialize: function() {
        /**
         * @member {wp.media.view.Button[]}
         */
        this.buttons = _.map( this.options.buttons || [], function( button ) {
            if ( button instanceof Backbone.View ) {
                return button;
            } else {
                return new wp.media.view.Button( button ).render();
            }
        });

        delete this.options.buttons;

        if ( this.options.classes ) {
            this.$el.addClass( this.options.classes );
        }
    },

    /**
     * @returns {wp.media.view.ButtonGroup}
     */
    render: function() {
        this.$el.html( $( _.pluck( this.buttons, 'el' ) ).detach() );
        return this;
    }
});

module.exports = ButtonGroup;


/***/ }),
/* 63 */
/***/ (function(module, exports) {

/**
 * wp.media.view.PriorityList
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var PriorityList = wp.media.View.extend(/** @lends wp.media.view.PriorityList.prototype */{
    tagName:   'div',

    initialize: function() {
        this._views = {};

        this.set( _.extend( {}, this._views, this.options.views ), { silent: true });
        delete this.options.views;

        if ( ! this.options.silent ) {
            this.render();
        }
    },
    /**
     * @param {string} id
     * @param {wp.media.View|Object} view
     * @param {Object} options
     * @returns {wp.media.view.PriorityList} Returns itself to allow chaining
     */
    set: function( id, view, options ) {
        var priority, views, index;

        options = options || {};

        // Accept an object with an `id` : `view` mapping.
        if ( _.isObject( id ) ) {
            _.each( id, function( view, id ) {
                this.set( id, view );
            }, this );
            return this;
        }

        if ( ! (view instanceof Backbone.View) ) {
            view = this.toView( view, id, options );
        }
        view.controller = view.controller || this.controller;

        this.unset( id );

        priority = view.options.priority || 10;
        views = this.views.get() || [];

        _.find( views, function( existing, i ) {
            if ( existing.options.priority > priority ) {
                index = i;
                return true;
            }
        });

        this._views[ id ] = view;
        this.views.add( view, {
            at: _.isNumber( index ) ? index : views.length || 0
        });

        return this;
    },
    /**
     * @param {string} id
     * @returns {wp.media.View}
     */
    get: function( id ) {
        return this._views[ id ];
    },
    /**
     * @param {string} id
     * @returns {wp.media.view.PriorityList}
     */
    unset: function( id ) {
        var view = this.get( id );

        if ( view ) {
            view.remove();
        }

        delete this._views[ id ];
        return this;
    },
    /**
     * @param {Object} options
     * @returns {wp.media.View}
     */
    toView: function( options ) {
        return new wp.media.View( options );
    }
});

module.exports = PriorityList;


/***/ }),
/* 64 */
/***/ (function(module, exports) {

var $ = jQuery,
    MenuItem;

/**
 * wp.media.view.MenuItem
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
MenuItem = wp.media.View.extend(/** @lends wp.media.view.MenuItem.prototype */{
    tagName:   'a',
    className: 'media-menu-item',

    attributes: {
        href: '#'
    },

    events: {
        'click': '_click'
    },
    /**
     * @param {Object} event
     */
    _click: function( event ) {
        var clickOverride = this.options.click;

        if ( event ) {
            event.preventDefault();
        }

        if ( clickOverride ) {
            clickOverride.call( this );
        } else {
            this.click();
        }

        // When selecting a tab along the left side,
        // focus should be transferred into the main panel
        if ( ! wp.media.isTouchDevice ) {
            $('.media-frame-content input').first().focus();
        }
    },

    click: function() {
        var state = this.options.state;

        if ( state ) {
            this.controller.setState( state );
            this.views.parent.$el.removeClass( 'visible' ); // TODO: or hide on any click, see below
        }
    },
    /**
     * @returns {wp.media.view.MenuItem} returns itself to allow chaining
     */
    render: function() {
        var options = this.options;

        if ( options.text ) {
            this.$el.text( options.text );
        } else if ( options.html ) {
            this.$el.html( options.html );
        }

        return this;
    }
});

module.exports = MenuItem;


/***/ }),
/* 65 */
/***/ (function(module, exports) {

var MenuItem = wp.media.view.MenuItem,
    PriorityList = wp.media.view.PriorityList,
    Menu;

/**
 * wp.media.view.Menu
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.PriorityList
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Menu = PriorityList.extend(/** @lends wp.media.view.Menu.prototype */{
    tagName:   'div',
    className: 'media-menu',
    property:  'state',
    ItemView:  MenuItem,
    region:    'menu',

    /* TODO: alternatively hide on any click anywhere
    events: {
        'click': 'click'
    },

    click: function() {
        this.$el.removeClass( 'visible' );
    },
    */

    /**
     * @param {Object} options
     * @param {string} id
     * @returns {wp.media.View}
     */
    toView: function( options, id ) {
        options = options || {};
        options[ this.property ] = options[ this.property ] || id;
        return new this.ItemView( options ).render();
    },

    ready: function() {
        /**
         * call 'ready' directly on the parent class
         */
        PriorityList.prototype.ready.apply( this, arguments );
        this.visibility();
    },

    set: function() {
        /**
         * call 'set' directly on the parent class
         */
        PriorityList.prototype.set.apply( this, arguments );
        this.visibility();
    },

    unset: function() {
        /**
         * call 'unset' directly on the parent class
         */
        PriorityList.prototype.unset.apply( this, arguments );
        this.visibility();
    },

    visibility: function() {
        var region = this.region,
            view = this.controller[ region ].get(),
            views = this.views.get(),
            hide = ! views || views.length < 2;

        if ( this === view ) {
            this.controller.$el.toggleClass( 'hide-' + region, hide );
        }
    },
    /**
     * @param {string} id
     */
    select: function( id ) {
        var view = this.get( id );

        if ( ! view ) {
            return;
        }

        this.deselect();
        view.$el.addClass('active');
    },

    deselect: function() {
        this.$el.children().removeClass('active');
    },

    hide: function( id ) {
        var view = this.get( id );

        if ( ! view ) {
            return;
        }

        view.$el.addClass('hidden');
    },

    show: function( id ) {
        var view = this.get( id );

        if ( ! view ) {
            return;
        }

        view.$el.removeClass('hidden');
    }
});

module.exports = Menu;


/***/ }),
/* 66 */
/***/ (function(module, exports) {

/**
 * wp.media.view.RouterItem
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.MenuItem
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var RouterItem = wp.media.view.MenuItem.extend(/** @lends wp.media.view.RouterItem.prototype */{
    /**
     * On click handler to activate the content region's corresponding mode.
     */
    click: function() {
        var contentMode = this.options.contentMode;
        if ( contentMode ) {
            this.controller.content.mode( contentMode );
        }
    }
});

module.exports = RouterItem;


/***/ }),
/* 67 */
/***/ (function(module, exports) {

var Menu = wp.media.view.Menu,
    Router;

/**
 * wp.media.view.Router
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.Menu
 * @augments wp.media.view.PriorityList
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Router = Menu.extend(/** @lends wp.media.view.Router.prototype */{
    tagName:   'div',
    className: 'media-router',
    property:  'contentMode',
    ItemView:  wp.media.view.RouterItem,
    region:    'router',

    initialize: function() {
        this.controller.on( 'content:render', this.update, this );
        // Call 'initialize' directly on the parent class.
        Menu.prototype.initialize.apply( this, arguments );
    },

    update: function() {
        var mode = this.controller.content.mode();
        if ( mode ) {
            this.select( mode );
        }
    }
});

module.exports = Router;


/***/ }),
/* 68 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Sidebar
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.PriorityList
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Sidebar = wp.media.view.PriorityList.extend(/** @lends wp.media.view.Sidebar.prototype */{
    className: 'media-sidebar'
});

module.exports = Sidebar;


/***/ }),
/* 69 */
/***/ (function(module, exports) {

var View = wp.media.View,
    $ = jQuery,
    Attachment;

/**
 * wp.media.view.Attachment
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Attachment = View.extend(/** @lends wp.media.view.Attachment.prototype */{
    tagName:   'li',
    className: 'attachment',
    template:  wp.template('attachment'),

    attributes: function() {
        return {
            'tabIndex':     0,
            'role':         'checkbox',
            'aria-label':   this.model.get( 'title' ),
            'aria-checked': false,
            'data-id':      this.model.get( 'id' )
        };
    },

    events: {
        'click':                          'toggleSelectionHandler',
        'change [data-setting]':          'updateSetting',
        'change [data-setting] input':    'updateSetting',
        'change [data-setting] select':   'updateSetting',
        'change [data-setting] textarea': 'updateSetting',
        'click .attachment-close':        'removeFromLibrary',
        'click .check':                   'checkClickHandler',
        'keydown':                        'toggleSelectionHandler'
    },

    buttons: {},

    initialize: function() {
        var selection = this.options.selection,
            options = _.defaults( this.options, {
                rerenderOnModelChange: true
            } );

        if ( options.rerenderOnModelChange ) {
            this.listenTo( this.model, 'change', this.render );
        } else {
            this.listenTo( this.model, 'change:percent', this.progress );
        }
        this.listenTo( this.model, 'change:title', this._syncTitle );
        this.listenTo( this.model, 'change:caption', this._syncCaption );
        this.listenTo( this.model, 'change:artist', this._syncArtist );
        this.listenTo( this.model, 'change:album', this._syncAlbum );

        // Update the selection.
        this.listenTo( this.model, 'add', this.select );
        this.listenTo( this.model, 'remove', this.deselect );
        if ( selection ) {
            selection.on( 'reset', this.updateSelect, this );
            // Update the model's details view.
            this.listenTo( this.model, 'selection:single selection:unsingle', this.details );
            this.details( this.model, this.controller.state().get('selection') );
        }

        this.listenTo( this.controller, 'attachment:compat:waiting attachment:compat:ready', this.updateSave );
    },
    /**
     * @returns {wp.media.view.Attachment} Returns itself to allow chaining
     */
    dispose: function() {
        var selection = this.options.selection;

        // Make sure all settings are saved before removing the view.
        this.updateAll();

        if ( selection ) {
            selection.off( null, null, this );
        }
        /**
         * call 'dispose' directly on the parent class
         */
        View.prototype.dispose.apply( this, arguments );
        return this;
    },
    /**
     * @returns {wp.media.view.Attachment} Returns itself to allow chaining
     */
    render: function() {
        var options = _.defaults( this.model.toJSON(), {
                orientation:   'landscape',
                uploading:     false,
                type:          '',
                subtype:       '',
                icon:          '',
                filename:      '',
                caption:       '',
                title:         '',
                dateFormatted: '',
                width:         '',
                height:        '',
                compat:        false,
                alt:           '',
                description:   ''
            }, this.options );

        options.buttons  = this.buttons;
        options.describe = this.controller.state().get('describe');

        if ( 'image' === options.type ) {
            options.size = this.imageSize();
        }

        options.can = {};
        if ( options.nonces ) {
            options.can.remove = !! options.nonces['delete'];
            options.can.save = !! options.nonces.update;
        }

        if ( this.controller.state().get('allowLocalEdits') ) {
            options.allowLocalEdits = true;
        }

        if ( options.uploading && ! options.percent ) {
            options.percent = 0;
        }

        this.views.detach();
        this.$el.html( this.template( options ) );

        this.$el.toggleClass( 'uploading', options.uploading );

        if ( options.uploading ) {
            this.$bar = this.$('.media-progress-bar div');
        } else {
            delete this.$bar;
        }

        // Check if the model is selected.
        this.updateSelect();

        // Update the save status.
        this.updateSave();

        this.views.render();

        return this;
    },

    progress: function() {
        if ( this.$bar && this.$bar.length ) {
            this.$bar.width( this.model.get('percent') + '%' );
        }
    },

    /**
     * @param {Object} event
     */
    toggleSelectionHandler: function( event ) {
        var method;

        // Don't do anything inside inputs and on the attachment check and remove buttons.
        if ( 'INPUT' === event.target.nodeName || 'BUTTON' === event.target.nodeName ) {
            return;
        }

        // Catch arrow events
        if ( 37 === event.keyCode || 38 === event.keyCode || 39 === event.keyCode || 40 === event.keyCode ) {
            this.controller.trigger( 'attachment:keydown:arrow', event );
            return;
        }

        // Catch enter and space events
        if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
            return;
        }

        event.preventDefault();

        // In the grid view, bubble up an edit:attachment event to the controller.
        if ( this.controller.isModeActive( 'grid' ) ) {
            if ( this.controller.isModeActive( 'edit' ) ) {
                // Pass the current target to restore focus when closing
                this.controller.trigger( 'edit:attachment', this.model, event.currentTarget );
                return;
            }

            if ( this.controller.isModeActive( 'select' ) ) {
                method = 'toggle';
            }
        }

        if ( event.shiftKey ) {
            method = 'between';
        } else if ( event.ctrlKey || event.metaKey ) {
            method = 'toggle';
        }

        this.toggleSelection({
            method: method
        });

        this.controller.trigger( 'selection:toggle' );
    },
    /**
     * @param {Object} options
     */
    toggleSelection: function( options ) {
        var collection = this.collection,
            selection = this.options.selection,
            model = this.model,
            method = options && options.method,
            single, models, singleIndex, modelIndex;

        if ( ! selection ) {
            return;
        }

        single = selection.single();
        method = _.isUndefined( method ) ? selection.multiple : method;

        // If the `method` is set to `between`, select all models that
        // exist between the current and the selected model.
        if ( 'between' === method && single && selection.multiple ) {
            // If the models are the same, short-circuit.
            if ( single === model ) {
                return;
            }

            singleIndex = collection.indexOf( single );
            modelIndex  = collection.indexOf( this.model );

            if ( singleIndex < modelIndex ) {
                models = collection.models.slice( singleIndex, modelIndex + 1 );
            } else {
                models = collection.models.slice( modelIndex, singleIndex + 1 );
            }

            selection.add( models );
            selection.single( model );
            return;

        // If the `method` is set to `toggle`, just flip the selection
        // status, regardless of whether the model is the single model.
        } else if ( 'toggle' === method ) {
            selection[ this.selected() ? 'remove' : 'add' ]( model );
            selection.single( model );
            return;
        } else if ( 'add' === method ) {
            selection.add( model );
            selection.single( model );
            return;
        }

        // Fixes bug that loses focus when selecting a featured image
        if ( ! method ) {
            method = 'add';
        }

        if ( method !== 'add' ) {
            method = 'reset';
        }

        if ( this.selected() ) {
            // If the model is the single model, remove it.
            // If it is not the same as the single model,
            // it now becomes the single model.
            selection[ single === model ? 'remove' : 'single' ]( model );
        } else {
            // If the model is not selected, run the `method` on the
            // selection. By default, we `reset` the selection, but the
            // `method` can be set to `add` the model to the selection.
            selection[ method ]( model );
            selection.single( model );
        }
    },

    updateSelect: function() {
        this[ this.selected() ? 'select' : 'deselect' ]();
    },
    /**
     * @returns {unresolved|Boolean}
     */
    selected: function() {
        var selection = this.options.selection;
        if ( selection ) {
            return !! selection.get( this.model.cid );
        }
    },
    /**
     * @param {Backbone.Model} model
     * @param {Backbone.Collection} collection
     */
    select: function( model, collection ) {
        var selection = this.options.selection,
            controller = this.controller;

        // Check if a selection exists and if it's the collection provided.
        // If they're not the same collection, bail; we're in another
        // selection's event loop.
        if ( ! selection || ( collection && collection !== selection ) ) {
            return;
        }

        // Bail if the model is already selected.
        if ( this.$el.hasClass( 'selected' ) ) {
            return;
        }

        // Add 'selected' class to model, set aria-checked to true.
        this.$el.addClass( 'selected' ).attr( 'aria-checked', true );
        //  Make the checkbox tabable, except in media grid (bulk select mode).
        if ( ! ( controller.isModeActive( 'grid' ) && controller.isModeActive( 'select' ) ) ) {
            this.$( '.check' ).attr( 'tabindex', '0' );
        }
    },
    /**
     * @param {Backbone.Model} model
     * @param {Backbone.Collection} collection
     */
    deselect: function( model, collection ) {
        var selection = this.options.selection;

        // Check if a selection exists and if it's the collection provided.
        // If they're not the same collection, bail; we're in another
        // selection's event loop.
        if ( ! selection || ( collection && collection !== selection ) ) {
            return;
        }
        this.$el.removeClass( 'selected' ).attr( 'aria-checked', false )
            .find( '.check' ).attr( 'tabindex', '-1' );
    },
    /**
     * @param {Backbone.Model} model
     * @param {Backbone.Collection} collection
     */
    details: function( model, collection ) {
        var selection = this.options.selection,
            details;

        if ( selection !== collection ) {
            return;
        }

        details = selection.single();
        this.$el.toggleClass( 'details', details === this.model );
    },
    /**
     * @param {string} size
     * @returns {Object}
     */
    imageSize: function( size ) {
        var sizes = this.model.get('sizes'), matched = false;

        size = size || 'medium';

        // Use the provided image size if possible.
        if ( sizes ) {
            if ( sizes[ size ] ) {
                matched = sizes[ size ];
            } else if ( sizes.large ) {
                matched = sizes.large;
            } else if ( sizes.thumbnail ) {
                matched = sizes.thumbnail;
            } else if ( sizes.full ) {
                matched = sizes.full;
            }

            if ( matched ) {
                return _.clone( matched );
            }
        }

        return {
            url:         this.model.get('url'),
            width:       this.model.get('width'),
            height:      this.model.get('height'),
            orientation: this.model.get('orientation')
        };
    },
    /**
     * @param {Object} event
     */
    updateSetting: function( event ) {
        var $setting = $( event.target ).closest('[data-setting]'),
            setting, value;

        if ( ! $setting.length ) {
            return;
        }

        setting = $setting.data('setting');
        value   = event.target.value;

        if ( this.model.get( setting ) !== value ) {
            this.save( setting, value );
        }
    },

    /**
     * Pass all the arguments to the model's save method.
     *
     * Records the aggregate status of all save requests and updates the
     * view's classes accordingly.
     */
    save: function() {
        var view = this,
            save = this._save = this._save || { status: 'ready' },
            request = this.model.save.apply( this.model, arguments ),
            requests = save.requests ? $.when( request, save.requests ) : request;

        // If we're waiting to remove 'Saved.', stop.
        if ( save.savedTimer ) {
            clearTimeout( save.savedTimer );
        }

        this.updateSave('waiting');
        save.requests = requests;
        requests.always( function() {
            // If we've performed another request since this one, bail.
            if ( save.requests !== requests ) {
                return;
            }

            view.updateSave( requests.state() === 'resolved' ? 'complete' : 'error' );
            save.savedTimer = setTimeout( function() {
                view.updateSave('ready');
                delete save.savedTimer;
            }, 2000 );
        });
    },
    /**
     * @param {string} status
     * @returns {wp.media.view.Attachment} Returns itself to allow chaining
     */
    updateSave: function( status ) {
        var save = this._save = this._save || { status: 'ready' };

        if ( status && status !== save.status ) {
            this.$el.removeClass( 'save-' + save.status );
            save.status = status;
        }

        this.$el.addClass( 'save-' + save.status );
        return this;
    },

    updateAll: function() {
        var $settings = this.$('[data-setting]'),
            model = this.model,
            changed;

        changed = _.chain( $settings ).map( function( el ) {
            var $input = $('input, textarea, select, [value]', el ),
                setting, value;

            if ( ! $input.length ) {
                return;
            }

            setting = $(el).data('setting');
            value = $input.val();

            // Record the value if it changed.
            if ( model.get( setting ) !== value ) {
                return [ setting, value ];
            }
        }).compact().object().value();

        if ( ! _.isEmpty( changed ) ) {
            model.save( changed );
        }
    },
    /**
     * @param {Object} event
     */
    removeFromLibrary: function( event ) {
        // Catch enter and space events
        if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
            return;
        }

        // Stop propagation so the model isn't selected.
        event.stopPropagation();

        this.collection.remove( this.model );
    },

    /**
     * Add the model if it isn't in the selection, if it is in the selection,
     * remove it.
     *
     * @param  {[type]} event [description]
     * @return {[type]}       [description]
     */
    checkClickHandler: function ( event ) {
        var selection = this.options.selection;
        if ( ! selection ) {
            return;
        }
        event.stopPropagation();
        if ( selection.where( { id: this.model.get( 'id' ) } ).length ) {
            selection.remove( this.model );
            // Move focus back to the attachment tile (from the check).
            this.$el.focus();
        } else {
            selection.add( this.model );
        }
    }
});

// Ensure settings remain in sync between attachment views.
_.each({
    caption: '_syncCaption',
    title:   '_syncTitle',
    artist:  '_syncArtist',
    album:   '_syncAlbum'
}, function( method, setting ) {
    /**
     * @function _syncCaption
     * @memberOf wp.media.view.Attachment
     * @instance
     *
     * @param {Backbone.Model} model
     * @param {string} value
     * @returns {wp.media.view.Attachment} Returns itself to allow chaining
     */
    /**
     * @function _syncTitle
     * @memberOf wp.media.view.Attachment
     * @instance
     *
     * @param {Backbone.Model} model
     * @param {string} value
     * @returns {wp.media.view.Attachment} Returns itself to allow chaining
     */
    /**
     * @function _syncArtist
     * @memberOf wp.media.view.Attachment
     * @instance
     *
     * @param {Backbone.Model} model
     * @param {string} value
     * @returns {wp.media.view.Attachment} Returns itself to allow chaining
     */
    /**
     * @function _syncAlbum
     * @memberOf wp.media.view.Attachment
     * @instance
     *
     * @param {Backbone.Model} model
     * @param {string} value
     * @returns {wp.media.view.Attachment} Returns itself to allow chaining
     */
    Attachment.prototype[ method ] = function( model, value ) {
        var $setting = this.$('[data-setting="' + setting + '"]');

        if ( ! $setting.length ) {
            return this;
        }

        // If the updated value is in sync with the value in the DOM, there
        // is no need to re-render. If we're currently editing the value,
        // it will automatically be in sync, suppressing the re-render for
        // the view we're editing, while updating any others.
        if ( value === $setting.find('input, textarea, select, [value]').val() ) {
            return this;
        }

        return this.render();
    };
});

module.exports = Attachment;


/***/ }),
/* 70 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Attachment.Library
 *
 * @memberOf wp.media.view.Attachment
 *
 * @class
 * @augments wp.media.view.Attachment
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Library = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Library.prototype */{
    buttons: {
        check: true
    }
});

module.exports = Library;


/***/ }),
/* 71 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Attachment.EditLibrary
 *
 * @memberOf wp.media.view.Attachment
 *
 * @class
 * @augments wp.media.view.Attachment
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var EditLibrary = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.EditLibrary.prototype */{
    buttons: {
        close: true
    }
});

module.exports = EditLibrary;


/***/ }),
/* 72 */
/***/ (function(module, exports) {

var View = wp.media.View,
    $ = jQuery,
    Attachments;

/**
 * wp.media.view.Attachments
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Attachments = View.extend(/** @lends wp.media.view.Attachments.prototype */{
    tagName:   'ul',
    className: 'attachments',

    attributes: {
        tabIndex: -1
    },

    initialize: function() {
        this.el.id = _.uniqueId('__attachments-view-');

        _.defaults( this.options, {
            refreshSensitivity: wp.media.isTouchDevice ? 300 : 200,
            refreshThreshold:   3,
            AttachmentView:     wp.media.view.Attachment,
            sortable:           false,
            resize:             true,
            idealColumnWidth:   $( window ).width() < 640 ? 135 : 150
        });

        this._viewsByCid = {};
        this.$window = $( window );
        this.resizeEvent = 'resize.media-modal-columns';

        this.collection.on( 'add', function( attachment ) {
            this.views.add( this.createAttachmentView( attachment ), {
                at: this.collection.indexOf( attachment )
            });
        }, this );

        this.collection.on( 'remove', function( attachment ) {
            var view = this._viewsByCid[ attachment.cid ];
            delete this._viewsByCid[ attachment.cid ];

            if ( view ) {
                view.remove();
            }
        }, this );

        this.collection.on( 'reset', this.render, this );

        this.listenTo( this.controller, 'library:selection:add',    this.attachmentFocus );

        // Throttle the scroll handler and bind this.
        this.scroll = _.chain( this.scroll ).bind( this ).throttle( this.options.refreshSensitivity ).value();

        this.options.scrollElement = this.options.scrollElement || this.el;
        $( this.options.scrollElement ).on( 'scroll', this.scroll );

        this.initSortable();

        _.bindAll( this, 'setColumns' );

        if ( this.options.resize ) {
            this.on( 'ready', this.bindEvents );
            this.controller.on( 'open', this.setColumns );

            // Call this.setColumns() after this view has been rendered in the DOM so
            // attachments get proper width applied.
            _.defer( this.setColumns, this );
        }
    },

    bindEvents: function() {
        this.$window.off( this.resizeEvent ).on( this.resizeEvent, _.debounce( this.setColumns, 50 ) );
    },

    attachmentFocus: function() {
        this.$( 'li:first' ).focus();
    },

    restoreFocus: function() {
        this.$( 'li.selected:first' ).focus();
    },

    arrowEvent: function( event ) {
        var attachments = this.$el.children( 'li' ),
            perRow = this.columns,
            index = attachments.filter( ':focus' ).index(),
            row = ( index + 1 ) <= perRow ? 1 : Math.ceil( ( index + 1 ) / perRow );

        if ( index === -1 ) {
            return;
        }

        // Left arrow
        if ( 37 === event.keyCode ) {
            if ( 0 === index ) {
                return;
            }
            attachments.eq( index - 1 ).focus();
        }

        // Up arrow
        if ( 38 === event.keyCode ) {
            if ( 1 === row ) {
                return;
            }
            attachments.eq( index - perRow ).focus();
        }

        // Right arrow
        if ( 39 === event.keyCode ) {
            if ( attachments.length === index ) {
                return;
            }
            attachments.eq( index + 1 ).focus();
        }

        // Down arrow
        if ( 40 === event.keyCode ) {
            if ( Math.ceil( attachments.length / perRow ) === row ) {
                return;
            }
            attachments.eq( index + perRow ).focus();
        }
    },

    dispose: function() {
        this.collection.props.off( null, null, this );
        if ( this.options.resize ) {
            this.$window.off( this.resizeEvent );
        }

        /**
         * call 'dispose' directly on the parent class
         */
        View.prototype.dispose.apply( this, arguments );
    },

    setColumns: function() {
        var prev = this.columns,
            width = this.$el.width();

        if ( width ) {
            this.columns = Math.min( Math.round( width / this.options.idealColumnWidth ), 12 ) || 1;

            if ( ! prev || prev !== this.columns ) {
                this.$el.closest( '.media-frame-content' ).attr( 'data-columns', this.columns );
            }
        }
    },

    initSortable: function() {
        var collection = this.collection;

        if ( ! this.options.sortable || ! $.fn.sortable ) {
            return;
        }

        this.$el.sortable( _.extend({
            // If the `collection` has a `comparator`, disable sorting.
            disabled: !! collection.comparator,

            // Change the position of the attachment as soon as the
            // mouse pointer overlaps a thumbnail.
            tolerance: 'pointer',

            // Record the initial `index` of the dragged model.
            start: function( event, ui ) {
                ui.item.data('sortableIndexStart', ui.item.index());
            },

            // Update the model's index in the collection.
            // Do so silently, as the view is already accurate.
            update: function( event, ui ) {
                var model = collection.at( ui.item.data('sortableIndexStart') ),
                    comparator = collection.comparator;

                // Temporarily disable the comparator to prevent `add`
                // from re-sorting.
                delete collection.comparator;

                // Silently shift the model to its new index.
                collection.remove( model, {
                    silent: true
                });
                collection.add( model, {
                    silent: true,
                    at:     ui.item.index()
                });

                // Restore the comparator.
                collection.comparator = comparator;

                // Fire the `reset` event to ensure other collections sync.
                collection.trigger( 'reset', collection );

                // If the collection is sorted by menu order,
                // update the menu order.
                collection.saveMenuOrder();
            }
        }, this.options.sortable ) );

        // If the `orderby` property is changed on the `collection`,
        // check to see if we have a `comparator`. If so, disable sorting.
        collection.props.on( 'change:orderby', function() {
            this.$el.sortable( 'option', 'disabled', !! collection.comparator );
        }, this );

        this.collection.props.on( 'change:orderby', this.refreshSortable, this );
        this.refreshSortable();
    },

    refreshSortable: function() {
        if ( ! this.options.sortable || ! $.fn.sortable ) {
            return;
        }

        // If the `collection` has a `comparator`, disable sorting.
        var collection = this.collection,
            orderby = collection.props.get('orderby'),
            enabled = 'menuOrder' === orderby || ! collection.comparator;

        this.$el.sortable( 'option', 'disabled', ! enabled );
    },

    /**
     * @param {wp.media.model.Attachment} attachment
     * @returns {wp.media.View}
     */
    createAttachmentView: function( attachment ) {
        var view = new this.options.AttachmentView({
            controller:           this.controller,
            model:                attachment,
            collection:           this.collection,
            selection:            this.options.selection
        });

        return this._viewsByCid[ attachment.cid ] = view;
    },

    prepare: function() {
        // Create all of the Attachment views, and replace
        // the list in a single DOM operation.
        if ( this.collection.length ) {
            this.views.set( this.collection.map( this.createAttachmentView, this ) );

        // If there are no elements, clear the views and load some.
        } else {
            this.views.unset();
            this.collection.more().done( this.scroll );
        }
    },

    ready: function() {
        // Trigger the scroll event to check if we're within the
        // threshold to query for additional attachments.
        this.scroll();
    },

    scroll: function() {
        var view = this,
            el = this.options.scrollElement,
            scrollTop = el.scrollTop,
            toolbar;

        // The scroll event occurs on the document, but the element
        // that should be checked is the document body.
        if ( el === document ) {
            el = document.body;
            scrollTop = $(document).scrollTop();
        }

        if ( ! $(el).is(':visible') || ! this.collection.hasMore() ) {
            return;
        }

        toolbar = this.views.parent.toolbar;

        // Show the spinner only if we are close to the bottom.
        if ( el.scrollHeight - ( scrollTop + el.clientHeight ) < el.clientHeight / 3 ) {
            toolbar.get('spinner').show();
        }

        if ( el.scrollHeight < scrollTop + ( el.clientHeight * this.options.refreshThreshold ) ) {
            this.collection.more().done(function() {
                view.scroll();
                toolbar.get('spinner').hide();
            });
        }
    }
});

module.exports = Attachments;


/***/ }),
/* 73 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    Search;

/**
 * wp.media.view.Search
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Search = wp.media.View.extend(/** @lends wp.media.view.Search.prototype */{
    tagName:   'input',
    className: 'search',
    id:        'media-search-input',

    attributes: {
        type:        'search',
        placeholder: l10n.searchMediaPlaceholder
    },

    events: {
        'input':  'search',
        'keyup':  'search'
    },

    /**
     * @returns {wp.media.view.Search} Returns itself to allow chaining
     */
    render: function() {
        this.el.value = this.model.escape('search');
        return this;
    },

    search: _.debounce( function( event ) {
        if ( event.target.value ) {
            this.model.set( 'search', event.target.value );
        } else {
            this.model.unset('search');
        }
    }, 300 )
});

module.exports = Search;


/***/ }),
/* 74 */
/***/ (function(module, exports) {

var $ = jQuery,
    AttachmentFilters;

/**
 * wp.media.view.AttachmentFilters
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
AttachmentFilters = wp.media.View.extend(/** @lends wp.media.view.AttachmentFilters.prototype */{
    tagName:   'select',
    className: 'attachment-filters',
    id:        'media-attachment-filters',

    events: {
        change: 'change'
    },

    keys: [],

    initialize: function() {
        this.createFilters();
        _.extend( this.filters, this.options.filters );

        // Build `<option>` elements.
        this.$el.html( _.chain( this.filters ).map( function( filter, value ) {
            return {
                el: $( '<option></option>' ).val( value ).html( filter.text )[0],
                priority: filter.priority || 50
            };
        }, this ).sortBy('priority').pluck('el').value() );

        this.listenTo( this.model, 'change', this.select );
        this.select();
    },

    /**
     * @abstract
     */
    createFilters: function() {
        this.filters = {};
    },

    /**
     * When the selected filter changes, update the Attachment Query properties to match.
     */
    change: function() {
        var filter = this.filters[ this.el.value ];
        if ( filter ) {
            this.model.set( filter.props );
        }
    },

    select: function() {
        var model = this.model,
            value = 'all',
            props = model.toJSON();

        _.find( this.filters, function( filter, id ) {
            var equal = _.all( filter.props, function( prop, key ) {
                return prop === ( _.isUndefined( props[ key ] ) ? null : props[ key ] );
            });

            if ( equal ) {
                return value = id;
            }
        });

        this.$el.val( value );
    }
});

module.exports = AttachmentFilters;


/***/ }),
/* 75 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    DateFilter;

/**
 * A filter dropdown for month/dates.
 *
 * @memberOf wp.media.view.AttachmentFilters
 *
 * @class
 * @augments wp.media.view.AttachmentFilters
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
DateFilter = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Date.prototype */{
    id: 'media-attachment-date-filters',

    createFilters: function() {
        var filters = {};
        _.each( wp.media.view.settings.months || {}, function( value, index ) {
            filters[ index ] = {
                text: value.text,
                props: {
                    year: value.year,
                    monthnum: value.month
                }
            };
        });
        filters.all = {
            text:  l10n.allDates,
            props: {
                monthnum: false,
                year:  false
            },
            priority: 10
        };
        this.filters = filters;
    }
});

module.exports = DateFilter;


/***/ }),
/* 76 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    Uploaded;

/**
 * wp.media.view.AttachmentFilters.Uploaded
 *
 * @memberOf wp.media.view.AttachmentFilters
 *
 * @class
 * @augments wp.media.view.AttachmentFilters
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Uploaded = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Uploaded.prototype */{
    createFilters: function() {
        var type = this.model.get('type'),
            types = wp.media.view.settings.mimeTypes,
            text;

        if ( types && type ) {
            text = types[ type ];
        }

        this.filters = {
            all: {
                text:  text || l10n.allMediaItems,
                props: {
                    uploadedTo: null,
                    orderby: 'date',
                    order:   'DESC'
                },
                priority: 10
            },

            uploaded: {
                text:  l10n.uploadedToThisPost,
                props: {
                    uploadedTo: wp.media.view.settings.post.id,
                    orderby: 'menuOrder',
                    order:   'ASC'
                },
                priority: 20
            },

            unattached: {
                text:  l10n.unattached,
                props: {
                    uploadedTo: 0,
                    orderby: 'menuOrder',
                    order:   'ASC'
                },
                priority: 50
            }
        };
    }
});

module.exports = Uploaded;


/***/ }),
/* 77 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    All;

/**
 * wp.media.view.AttachmentFilters.All
 *
 * @memberOf wp.media.view.AttachmentFilters
 *
 * @class
 * @augments wp.media.view.AttachmentFilters
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
All = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.All.prototype */{
    createFilters: function() {
        var filters = {};

        _.each( wp.media.view.settings.mimeTypes || {}, function( text, key ) {
            filters[ key ] = {
                text: text,
                props: {
                    status:  null,
                    type:    key,
                    uploadedTo: null,
                    orderby: 'date',
                    order:   'DESC'
                }
            };
        });

        filters.all = {
            text:  l10n.allMediaItems,
            props: {
                status:  null,
                type:    null,
                uploadedTo: null,
                orderby: 'date',
                order:   'DESC'
            },
            priority: 10
        };

        if ( wp.media.view.settings.post.id ) {
            filters.uploaded = {
                text:  l10n.uploadedToThisPost,
                props: {
                    status:  null,
                    type:    null,
                    uploadedTo: wp.media.view.settings.post.id,
                    orderby: 'menuOrder',
                    order:   'ASC'
                },
                priority: 20
            };
        }

        filters.unattached = {
            text:  l10n.unattached,
            props: {
                status:     null,
                uploadedTo: 0,
                type:       null,
                orderby:    'menuOrder',
                order:      'ASC'
            },
            priority: 50
        };

        if ( wp.media.view.settings.mediaTrash &&
            this.controller.isModeActive( 'grid' ) ) {

            filters.trash = {
                text:  l10n.trash,
                props: {
                    uploadedTo: null,
                    status:     'trash',
                    type:       null,
                    orderby:    'date',
                    order:      'DESC'
                },
                priority: 50
            };
        }

        this.filters = filters;
    }
});

module.exports = All;


/***/ }),
/* 78 */
/***/ (function(module, exports) {

var View = wp.media.View,
    mediaTrash = wp.media.view.settings.mediaTrash,
    l10n = wp.media.view.l10n,
    $ = jQuery,
    AttachmentsBrowser;

/**
 * wp.media.view.AttachmentsBrowser
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 *
 * @param {object}         [options]               The options hash passed to the view.
 * @param {boolean|string} [options.filters=false] Which filters to show in the browser's toolbar.
 *                                                 Accepts 'uploaded' and 'all'.
 * @param {boolean}        [options.search=true]   Whether to show the search interface in the
 *                                                 browser's toolbar.
 * @param {boolean}        [options.date=true]     Whether to show the date filter in the
 *                                                 browser's toolbar.
 * @param {boolean}        [options.display=false] Whether to show the attachments display settings
 *                                                 view in the sidebar.
 * @param {boolean|string} [options.sidebar=true]  Whether to create a sidebar for the browser.
 *                                                 Accepts true, false, and 'errors'.
 */
AttachmentsBrowser = View.extend(/** @lends wp.media.view.AttachmentsBrowser.prototype */{
    tagName:   'div',
    className: 'attachments-browser',

    initialize: function() {
        _.defaults( this.options, {
            filters: false,
            search:  true,
            date:    true,
            display: false,
            sidebar: true,
            AttachmentView: wp.media.view.Attachment.Library
        });

        this.controller.on( 'toggle:upload:attachment', this.toggleUploader, this );
        this.controller.on( 'edit:selection', this.editSelection );

        // In the Media Library, the sidebar is used to display errors before the attachments grid.
        if ( this.options.sidebar && 'errors' === this.options.sidebar ) {
            this.createSidebar();
        }

        /*
         * For accessibility reasons, place the Inline Uploader before other sections.
         * This way, in the Media Library, it's right after the Add New button, see ticket #37188.
         */
        this.createUploader();

        /*
         * Create a multi-purpose toolbar. Used as main toolbar in the Media Library
         * and also for other things, for example the "Drag and drop to reorder" and
         * "Suggested dimensions" info in the media modal.
         */
        this.createToolbar();

        // Create the list of attachments.
        this.createAttachments();

        // For accessibility reasons, place the normal sidebar after the attachments, see ticket #36909.
        if ( this.options.sidebar && 'errors' !== this.options.sidebar ) {
            this.createSidebar();
        }

        this.updateContent();

        if ( ! this.options.sidebar || 'errors' === this.options.sidebar ) {
            this.$el.addClass( 'hide-sidebar' );

            if ( 'errors' === this.options.sidebar ) {
                this.$el.addClass( 'sidebar-for-errors' );
            }
        }

        this.collection.on( 'add remove reset', this.updateContent, this );
    },

    editSelection: function( modal ) {
        modal.$( '.media-button-backToLibrary' ).focus();
    },

    /**
     * @returns {wp.media.view.AttachmentsBrowser} Returns itself to allow chaining
     */
    dispose: function() {
        this.options.selection.off( null, null, this );
        View.prototype.dispose.apply( this, arguments );
        return this;
    },

    createToolbar: function() {
        var LibraryViewSwitcher, Filters, toolbarOptions;

        toolbarOptions = {
            controller: this.controller
        };

        if ( this.controller.isModeActive( 'grid' ) ) {
            toolbarOptions.className = 'media-toolbar wp-filter';
        }

        /**
        * @member {wp.media.view.Toolbar}
        */
        this.toolbar = new wp.media.view.Toolbar( toolbarOptions );

        this.views.add( this.toolbar );

        this.toolbar.set( 'spinner', new wp.media.view.Spinner({
            priority: -60
        }) );

        if ( -1 !== $.inArray( this.options.filters, [ 'uploaded', 'all' ] ) ) {
            // "Filters" will return a <select>, need to render
            // screen reader text before
            this.toolbar.set( 'filtersLabel', new wp.media.view.Label({
                value: l10n.filterByType,
                attributes: {
                    'for':  'media-attachment-filters'
                },
                priority:   -80
            }).render() );

            if ( 'uploaded' === this.options.filters ) {
                this.toolbar.set( 'filters', new wp.media.view.AttachmentFilters.Uploaded({
                    controller: this.controller,
                    model:      this.collection.props,
                    priority:   -80
                }).render() );
            } else {
                Filters = new wp.media.view.AttachmentFilters.All({
                    controller: this.controller,
                    model:      this.collection.props,
                    priority:   -80
                });

                this.toolbar.set( 'filters', Filters.render() );
            }
        }

        // Feels odd to bring the global media library switcher into the Attachment
        // browser view. Is this a use case for doAction( 'add:toolbar-items:attachments-browser', this.toolbar );
        // which the controller can tap into and add this view?
        if ( this.controller.isModeActive( 'grid' ) ) {
            LibraryViewSwitcher = View.extend({
                className: 'view-switch media-grid-view-switch',
                template: wp.template( 'media-library-view-switcher')
            });

            this.toolbar.set( 'libraryViewSwitcher', new LibraryViewSwitcher({
                controller: this.controller,
                priority: -90
            }).render() );

            // DateFilter is a <select>, screen reader text needs to be rendered before
            this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
                value: l10n.filterByDate,
                attributes: {
                    'for': 'media-attachment-date-filters'
                },
                priority: -75
            }).render() );
            this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
                controller: this.controller,
                model:      this.collection.props,
                priority: -75
            }).render() );

            // BulkSelection is a <div> with subviews, including screen reader text
            this.toolbar.set( 'selectModeToggleButton', new wp.media.view.SelectModeToggleButton({
                text: l10n.bulkSelect,
                controller: this.controller,
                priority: -70
            }).render() );

            this.toolbar.set( 'deleteSelectedButton', new wp.media.view.DeleteSelectedButton({
                filters: Filters,
                style: 'primary',
                disabled: true,
                text: mediaTrash ? l10n.trashSelected : l10n.deleteSelected,
                controller: this.controller,
                priority: -60,
                click: function() {
                    var changed = [], removed = [],
                        selection = this.controller.state().get( 'selection' ),
                        library = this.controller.state().get( 'library' );

                    if ( ! selection.length ) {
                        return;
                    }

                    if ( ! mediaTrash && ! window.confirm( l10n.warnBulkDelete ) ) {
                        return;
                    }

                    if ( mediaTrash &&
                        'trash' !== selection.at( 0 ).get( 'status' ) &&
                        ! window.confirm( l10n.warnBulkTrash ) ) {

                        return;
                    }

                    selection.each( function( model ) {
                        if ( ! model.get( 'nonces' )['delete'] ) {
                            removed.push( model );
                            return;
                        }

                        if ( mediaTrash && 'trash' === model.get( 'status' ) ) {
                            model.set( 'status', 'inherit' );
                            changed.push( model.save() );
                            removed.push( model );
                        } else if ( mediaTrash ) {
                            model.set( 'status', 'trash' );
                            changed.push( model.save() );
                            removed.push( model );
                        } else {
                            model.destroy({wait: true});
                        }
                    } );

                    if ( changed.length ) {
                        selection.remove( removed );

                        $.when.apply( null, changed ).then( _.bind( function() {
                            library._requery( true );
                            this.controller.trigger( 'selection:action:done' );
                        }, this ) );
                    } else {
                        this.controller.trigger( 'selection:action:done' );
                    }
                }
            }).render() );

            if ( mediaTrash ) {
                this.toolbar.set( 'deleteSelectedPermanentlyButton', new wp.media.view.DeleteSelectedPermanentlyButton({
                    filters: Filters,
                    style: 'primary',
                    disabled: true,
                    text: l10n.deleteSelected,
                    controller: this.controller,
                    priority: -55,
                    click: function() {
                        var removed = [],
                            destroy = [],
                            selection = this.controller.state().get( 'selection' );

                        if ( ! selection.length || ! window.confirm( l10n.warnBulkDelete ) ) {
                            return;
                        }

                        selection.each( function( model ) {
                            if ( ! model.get( 'nonces' )['delete'] ) {
                                removed.push( model );
                                return;
                            }

                            destroy.push( model );
                        } );

                        if ( removed.length ) {
                            selection.remove( removed );
                        }

                        if ( destroy.length ) {
                            $.when.apply( null, destroy.map( function (item) {
                                return item.destroy();
                            } ) ).then( _.bind( function() {
                                this.controller.trigger( 'selection:action:done' );
                            }, this ) );
                        }
                    }
                }).render() );
            }

        } else if ( this.options.date ) {
            // DateFilter is a <select>, screen reader text needs to be rendered before
            this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
                value: l10n.filterByDate,
                attributes: {
                    'for': 'media-attachment-date-filters'
                },
                priority: -75
            }).render() );
            this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
                controller: this.controller,
                model:      this.collection.props,
                priority: -75
            }).render() );
        }

        if ( this.options.search ) {
            // Search is an input, screen reader text needs to be rendered before
            this.toolbar.set( 'searchLabel', new wp.media.view.Label({
                value: l10n.searchMediaLabel,
                attributes: {
                    'for': 'media-search-input'
                },
                priority:   60
            }).render() );
            this.toolbar.set( 'search', new wp.media.view.Search({
                controller: this.controller,
                model:      this.collection.props,
                priority:   60
            }).render() );
        }

        if ( this.options.dragInfo ) {
            this.toolbar.set( 'dragInfo', new View({
                el: $( '<div class="instructions">' + l10n.dragInfo + '</div>' )[0],
                priority: -40
            }) );
        }

        if ( this.options.suggestedWidth && this.options.suggestedHeight ) {
            this.toolbar.set( 'suggestedDimensions', new View({
                el: $( '<div class="instructions">' + l10n.suggestedDimensions.replace( '%1$s', this.options.suggestedWidth ).replace( '%2$s', this.options.suggestedHeight ) + '</div>' )[0],
                priority: -40
            }) );
        }
    },

    updateContent: function() {
        var view = this,
            noItemsView;

        if ( this.controller.isModeActive( 'grid' ) ) {
            noItemsView = view.attachmentsNoResults;
        } else {
            noItemsView = view.uploader;
        }

        if ( ! this.collection.length ) {
            this.toolbar.get( 'spinner' ).show();
            this.dfd = this.collection.more().done( function() {
                if ( ! view.collection.length ) {
                    noItemsView.$el.removeClass( 'hidden' );
                } else {
                    noItemsView.$el.addClass( 'hidden' );
                }
                view.toolbar.get( 'spinner' ).hide();
            } );
        } else {
            noItemsView.$el.addClass( 'hidden' );
            view.toolbar.get( 'spinner' ).hide();
        }
    },

    createUploader: function() {
        this.uploader = new wp.media.view.UploaderInline({
            controller: this.controller,
            status:     false,
            message:    this.controller.isModeActive( 'grid' ) ? '' : l10n.noItemsFound,
            canClose:   this.controller.isModeActive( 'grid' )
        });

        this.uploader.$el.addClass( 'hidden' );
        this.views.add( this.uploader );
    },

    toggleUploader: function() {
        if ( this.uploader.$el.hasClass( 'hidden' ) ) {
            this.uploader.show();
        } else {
            this.uploader.hide();
        }
    },

    createAttachments: function() {
        this.attachments = new wp.media.view.Attachments({
            controller:           this.controller,
            collection:           this.collection,
            selection:            this.options.selection,
            model:                this.model,
            sortable:             this.options.sortable,
            scrollElement:        this.options.scrollElement,
            idealColumnWidth:     this.options.idealColumnWidth,

            // The single `Attachment` view to be used in the `Attachments` view.
            AttachmentView: this.options.AttachmentView
        });

        // Add keydown listener to the instance of the Attachments view
        this.controller.on( 'attachment:keydown:arrow',     _.bind( this.attachments.arrowEvent, this.attachments ) );
        this.controller.on( 'attachment:details:shift-tab', _.bind( this.attachments.restoreFocus, this.attachments ) );

        this.views.add( this.attachments );


        if ( this.controller.isModeActive( 'grid' ) ) {
            this.attachmentsNoResults = new View({
                controller: this.controller,
                tagName: 'p'
            });

            this.attachmentsNoResults.$el.addClass( 'hidden no-media' );
            this.attachmentsNoResults.$el.html( l10n.noMedia );

            this.views.add( this.attachmentsNoResults );
        }
    },

    createSidebar: function() {
        var options = this.options,
            selection = options.selection,
            sidebar = this.sidebar = new wp.media.view.Sidebar({
                controller: this.controller
            });

        this.views.add( sidebar );

        if ( this.controller.uploader ) {
            sidebar.set( 'uploads', new wp.media.view.UploaderStatus({
                controller: this.controller,
                priority:   40
            }) );
        }

        selection.on( 'selection:single', this.createSingle, this );
        selection.on( 'selection:unsingle', this.disposeSingle, this );

        if ( selection.single() ) {
            this.createSingle();
        }
    },

    createSingle: function() {
        var sidebar = this.sidebar,
            single = this.options.selection.single();

        sidebar.set( 'details', new wp.media.view.Attachment.Details({
            controller: this.controller,
            model:      single,
            priority:   80
        }) );

        sidebar.set( 'compat', new wp.media.view.AttachmentCompat({
            controller: this.controller,
            model:      single,
            priority:   120
        }) );

        if ( this.options.display ) {
            sidebar.set( 'display', new wp.media.view.Settings.AttachmentDisplay({
                controller:   this.controller,
                model:        this.model.display( single ),
                attachment:   single,
                priority:     160,
                userSettings: this.model.get('displayUserSettings')
            }) );
        }

        // Show the sidebar on mobile
        if ( this.model.id === 'insert' ) {
            sidebar.$el.addClass( 'visible' );
        }
    },

    disposeSingle: function() {
        var sidebar = this.sidebar;
        sidebar.unset('details');
        sidebar.unset('compat');
        sidebar.unset('display');
        // Hide the sidebar on mobile
        sidebar.$el.removeClass( 'visible' );
    }
});

module.exports = AttachmentsBrowser;


/***/ }),
/* 79 */
/***/ (function(module, exports) {

var l10n = wp.media.view.l10n,
    Selection;

/**
 * wp.media.view.Selection
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Selection = wp.media.View.extend(/** @lends wp.media.view.Selection.prototype */{
    tagName:   'div',
    className: 'media-selection',
    template:  wp.template('media-selection'),

    events: {
        'click .edit-selection':  'edit',
        'click .clear-selection': 'clear'
    },

    initialize: function() {
        _.defaults( this.options, {
            editable:  false,
            clearable: true
        });

        /**
         * @member {wp.media.view.Attachments.Selection}
         */
        this.attachments = new wp.media.view.Attachments.Selection({
            controller: this.controller,
            collection: this.collection,
            selection:  this.collection,
            model:      new Backbone.Model()
        });

        this.views.set( '.selection-view', this.attachments );
        this.collection.on( 'add remove reset', this.refresh, this );
        this.controller.on( 'content:activate', this.refresh, this );
    },

    ready: function() {
        this.refresh();
    },

    refresh: function() {
        // If the selection hasn't been rendered, bail.
        if ( ! this.$el.children().length ) {
            return;
        }

        var collection = this.collection,
            editing = 'edit-selection' === this.controller.content.mode();

        // If nothing is selected, display nothing.
        this.$el.toggleClass( 'empty', ! collection.length );
        this.$el.toggleClass( 'one', 1 === collection.length );
        this.$el.toggleClass( 'editing', editing );

        this.$('.count').text( l10n.selected.replace('%d', collection.length) );
    },

    edit: function( event ) {
        event.preventDefault();
        if ( this.options.editable ) {
            this.options.editable.call( this, this.collection );
        }
    },

    clear: function( event ) {
        event.preventDefault();
        this.collection.reset();

        // Keep focus inside media modal
        // after clear link is selected
        this.controller.modal.focusManager.focus();
    }
});

module.exports = Selection;


/***/ }),
/* 80 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Attachment.Selection
 *
 * @memberOf wp.media.view.Attachment
 *
 * @class
 * @augments wp.media.view.Attachment
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Selection = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Selection.prototype */{
    className: 'attachment selection',

    // On click, just select the model, instead of removing the model from
    // the selection.
    toggleSelection: function() {
        this.options.selection.single( this.model );
    }
});

module.exports = Selection;


/***/ }),
/* 81 */
/***/ (function(module, exports) {

var Attachments = wp.media.view.Attachments,
    Selection;

/**
 * wp.media.view.Attachments.Selection
 *
 * @memberOf wp.media.view.Attachments
 *
 * @class
 * @augments wp.media.view.Attachments
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Selection = Attachments.extend(/** @lends wp.media.view.Attachments.Selection.prototype */{
    events: {},
    initialize: function() {
        _.defaults( this.options, {
            sortable:   false,
            resize:     false,

            // The single `Attachment` view to be used in the `Attachments` view.
            AttachmentView: wp.media.view.Attachment.Selection
        });
        // Call 'initialize' directly on the parent class.
        return Attachments.prototype.initialize.apply( this, arguments );
    }
});

module.exports = Selection;


/***/ }),
/* 82 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Attachment.EditSelection
 *
 * @memberOf wp.media.view.Attachment
 *
 * @class
 * @augments wp.media.view.Attachment.Selection
 * @augments wp.media.view.Attachment
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var EditSelection = wp.media.view.Attachment.Selection.extend(/** @lends wp.media.view.Attachment.EditSelection.prototype */{
    buttons: {
        close: true
    }
});

module.exports = EditSelection;


/***/ }),
/* 83 */
/***/ (function(module, exports) {

var View = wp.media.View,
    $ = Backbone.$,
    Settings;

/**
 * wp.media.view.Settings
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Settings = View.extend(/** @lends wp.media.view.Settings.prototype */{
    events: {
        'click button':    'updateHandler',
        'change input':    'updateHandler',
        'change select':   'updateHandler',
        'change textarea': 'updateHandler'
    },

    initialize: function() {
        this.model = this.model || new Backbone.Model();
        this.listenTo( this.model, 'change', this.updateChanges );
    },

    prepare: function() {
        return _.defaults({
            model: this.model.toJSON()
        }, this.options );
    },
    /**
     * @returns {wp.media.view.Settings} Returns itself to allow chaining
     */
    render: function() {
        View.prototype.render.apply( this, arguments );
        // Select the correct values.
        _( this.model.attributes ).chain().keys().each( this.update, this );
        return this;
    },
    /**
     * @param {string} key
     */
    update: function( key ) {
        var value = this.model.get( key ),
            $setting = this.$('[data-setting="' + key + '"]'),
            $buttons, $value;

        // Bail if we didn't find a matching setting.
        if ( ! $setting.length ) {
            return;
        }

        // Attempt to determine how the setting is rendered and update
        // the selected value.

        // Handle dropdowns.
        if ( $setting.is('select') ) {
            $value = $setting.find('[value="' + value + '"]');

            if ( $value.length ) {
                $setting.find('option').prop( 'selected', false );
                $value.prop( 'selected', true );
            } else {
                // If we can't find the desired value, record what *is* selected.
                this.model.set( key, $setting.find(':selected').val() );
            }

        // Handle button groups.
        } else if ( $setting.hasClass('button-group') ) {
            $buttons = $setting.find('button').removeClass('active');
            $buttons.filter( '[value="' + value + '"]' ).addClass('active');

        // Handle text inputs and textareas.
        } else if ( $setting.is('input[type="text"], textarea') ) {
            if ( ! $setting.is(':focus') ) {
                $setting.val( value );
            }
        // Handle checkboxes.
        } else if ( $setting.is('input[type="checkbox"]') ) {
            $setting.prop( 'checked', !! value && 'false' !== value );
        }
    },
    /**
     * @param {Object} event
     */
    updateHandler: function( event ) {
        var $setting = $( event.target ).closest('[data-setting]'),
            value = event.target.value,
            userSetting;

        event.preventDefault();

        if ( ! $setting.length ) {
            return;
        }

        // Use the correct value for checkboxes.
        if ( $setting.is('input[type="checkbox"]') ) {
            value = $setting[0].checked;
        }

        // Update the corresponding setting.
        this.model.set( $setting.data('setting'), value );

        // If the setting has a corresponding user setting,
        // update that as well.
        if ( userSetting = $setting.data('userSetting') ) {
            window.setUserSetting( userSetting, value );
        }
    },

    updateChanges: function( model ) {
        if ( model.hasChanged() ) {
            _( model.changed ).chain().keys().each( this.update, this );
        }
    }
});

module.exports = Settings;


/***/ }),
/* 84 */
/***/ (function(module, exports) {

var Settings = wp.media.view.Settings,
    AttachmentDisplay;

/**
 * wp.media.view.Settings.AttachmentDisplay
 *
 * @memberOf wp.media.view.Settings
 *
 * @class
 * @augments wp.media.view.Settings
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
AttachmentDisplay = Settings.extend(/** @lends wp.media.view.Settings.AttachmentDisplay.prototype */{
    className: 'attachment-display-settings',
    template:  wp.template('attachment-display-settings'),

    initialize: function() {
        var attachment = this.options.attachment;

        _.defaults( this.options, {
            userSettings: false
        });
        // Call 'initialize' directly on the parent class.
        Settings.prototype.initialize.apply( this, arguments );
        this.listenTo( this.model, 'change:link', this.updateLinkTo );

        if ( attachment ) {
            attachment.on( 'change:uploading', this.render, this );
        }
    },

    dispose: function() {
        var attachment = this.options.attachment;
        if ( attachment ) {
            attachment.off( null, null, this );
        }
        /**
         * call 'dispose' directly on the parent class
         */
        Settings.prototype.dispose.apply( this, arguments );
    },
    /**
     * @returns {wp.media.view.AttachmentDisplay} Returns itself to allow chaining
     */
    render: function() {
        var attachment = this.options.attachment;
        if ( attachment ) {
            _.extend( this.options, {
                sizes: attachment.get('sizes'),
                type:  attachment.get('type')
            });
        }
        /**
         * call 'render' directly on the parent class
         */
        Settings.prototype.render.call( this );
        this.updateLinkTo();
        return this;
    },

    updateLinkTo: function() {
        var linkTo = this.model.get('link'),
            $input = this.$('.link-to-custom'),
            attachment = this.options.attachment;

        if ( 'none' === linkTo || 'embed' === linkTo || ( ! attachment && 'custom' !== linkTo ) ) {
            $input.addClass( 'hidden' );
            return;
        }

        if ( attachment ) {
            if ( 'post' === linkTo ) {
                $input.val( attachment.get('link') );
            } else if ( 'file' === linkTo ) {
                $input.val( attachment.get('url') );
            } else if ( ! this.model.get('linkUrl') ) {
                $input.val('http://');
            }

            $input.prop( 'readonly', 'custom' !== linkTo );
        }

        $input.removeClass( 'hidden' );

        // If the input is visible, focus and select its contents.
        if ( ! wp.media.isTouchDevice && $input.is(':visible') ) {
            $input.focus()[0].select();
        }
    }
});

module.exports = AttachmentDisplay;


/***/ }),
/* 85 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Settings.Gallery
 *
 * @memberOf wp.media.view.Settings
 *
 * @class
 * @augments wp.media.view.Settings
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Gallery = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Gallery.prototype */{
    className: 'collection-settings gallery-settings',
    template:  wp.template('gallery-settings')
});

module.exports = Gallery;


/***/ }),
/* 86 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Settings.Playlist
 *
 * @memberOf wp.media.view.Settings
 *
 * @class
 * @augments wp.media.view.Settings
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Playlist = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Playlist.prototype */{
    className: 'collection-settings playlist-settings',
    template:  wp.template('playlist-settings')
});

module.exports = Playlist;


/***/ }),
/* 87 */
/***/ (function(module, exports) {

var Attachment = wp.media.view.Attachment,
    l10n = wp.media.view.l10n,
    Details;

/**
 * wp.media.view.Attachment.Details
 *
 * @memberOf wp.media.view.Attachment
 *
 * @class
 * @augments wp.media.view.Attachment
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototype */{
    tagName:   'div',
    className: 'attachment-details',
    template:  wp.template('attachment-details'),

    attributes: function() {
        return {
            'tabIndex':     0,
            'data-id':      this.model.get( 'id' )
        };
    },

    events: {
        'change [data-setting]':          'updateSetting',
        'change [data-setting] input':    'updateSetting',
        'change [data-setting] select':   'updateSetting',
        'change [data-setting] textarea': 'updateSetting',
        'click .delete-attachment':       'deleteAttachment',
        'click .trash-attachment':        'trashAttachment',
        'click .untrash-attachment':      'untrashAttachment',
        'click .edit-attachment':         'editAttachment',
        'keydown':                        'toggleSelectionHandler'
    },

    initialize: function() {
        this.options = _.defaults( this.options, {
            rerenderOnModelChange: false
        });

        this.on( 'ready', this.initialFocus );
        // Call 'initialize' directly on the parent class.
        Attachment.prototype.initialize.apply( this, arguments );
    },

    initialFocus: function() {
        if ( ! wp.media.isTouchDevice ) {
            /*
            Previously focused the first ':input' (the readonly URL text field).
            Since the first ':input' is now a button (delete/trash): when pressing
            spacebar on an attachment, Firefox fires deleteAttachment/trashAttachment
            as soon as focus is moved. Explicitly target the first text field for now.
            @todo change initial focus logic, also for accessibility.
            */
            this.$( 'input[type="text"]' ).eq( 0 ).focus();
        }
    },
    /**
     * @param {Object} event
     */
    deleteAttachment: function( event ) {
        event.preventDefault();

        if ( window.confirm( l10n.warnDelete ) ) {
            this.model.destroy();
            // Keep focus inside media modal
            // after image is deleted
            this.controller.modal.focusManager.focus();
        }
    },
    /**
     * @param {Object} event
     */
    trashAttachment: function( event ) {
        var library = this.controller.library;
        event.preventDefault();

        if ( wp.media.view.settings.mediaTrash &&
            'edit-metadata' === this.controller.content.mode() ) {

            this.model.set( 'status', 'trash' );
            this.model.save().done( function() {
                library._requery( true );
            } );
        }  else {
            this.model.destroy();
        }
    },
    /**
     * @param {Object} event
     */
    untrashAttachment: function( event ) {
        var library = this.controller.library;
        event.preventDefault();

        this.model.set( 'status', 'inherit' );
        this.model.save().done( function() {
            library._requery( true );
        } );
    },
    /**
     * @param {Object} event
     */
    editAttachment: function( event ) {
        var editState = this.controller.states.get( 'edit-image' );
        if ( window.imageEdit && editState ) {
            event.preventDefault();

            editState.set( 'image', this.model );
            this.controller.setState( 'edit-image' );
        } else {
            this.$el.addClass('needs-refresh');
        }
    },
    /**
     * When reverse tabbing(shift+tab) out of the right details panel, deliver
     * the focus to the item in the list that was being edited.
     *
     * @param {Object} event
     */
    toggleSelectionHandler: function( event ) {
        if ( 'keydown' === event.type && 9 === event.keyCode && event.shiftKey && event.target === this.$( ':tabbable' ).get( 0 ) ) {
            this.controller.trigger( 'attachment:details:shift-tab', event );
            return false;
        }

        if ( 37 === event.keyCode || 38 === event.keyCode || 39 === event.keyCode || 40 === event.keyCode ) {
            this.controller.trigger( 'attachment:keydown:arrow', event );
            return;
        }
    }
});

module.exports = Details;


/***/ }),
/* 88 */
/***/ (function(module, exports) {

var View = wp.media.View,
    AttachmentCompat;

/**
 * wp.media.view.AttachmentCompat
 *
 * A view to display fields added via the `attachment_fields_to_edit` filter.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
AttachmentCompat = View.extend(/** @lends wp.media.view.AttachmentCompat.prototype */{
    tagName:   'form',
    className: 'compat-item',

    events: {
        'submit':          'preventDefault',
        'change input':    'save',
        'change select':   'save',
        'change textarea': 'save'
    },

    initialize: function() {
        this.listenTo( this.model, 'change:compat', this.render );
    },
    /**
     * @returns {wp.media.view.AttachmentCompat} Returns itself to allow chaining
     */
    dispose: function() {
        if ( this.$(':focus').length ) {
            this.save();
        }
        /**
         * call 'dispose' directly on the parent class
         */
        return View.prototype.dispose.apply( this, arguments );
    },
    /**
     * @returns {wp.media.view.AttachmentCompat} Returns itself to allow chaining
     */
    render: function() {
        var compat = this.model.get('compat');
        if ( ! compat || ! compat.item ) {
            return;
        }

        this.views.detach();
        this.$el.html( compat.item );
        this.views.render();
        return this;
    },
    /**
     * @param {Object} event
     */
    preventDefault: function( event ) {
        event.preventDefault();
    },
    /**
     * @param {Object} event
     */
    save: function( event ) {
        var data = {};

        if ( event ) {
            event.preventDefault();
        }

        _.each( this.$el.serializeArray(), function( pair ) {
            data[ pair.name ] = pair.value;
        });

        this.controller.trigger( 'attachment:compat:waiting', ['waiting'] );
        this.model.saveCompat( data ).always( _.bind( this.postSave, this ) );
    },

    postSave: function() {
        this.controller.trigger( 'attachment:compat:ready', ['ready'] );
    }
});

module.exports = AttachmentCompat;


/***/ }),
/* 89 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Iframe
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Iframe = wp.media.View.extend(/** @lends wp.media.view.Iframe.prototype */{
    className: 'media-iframe',
    /**
     * @returns {wp.media.view.Iframe} Returns itself to allow chaining
     */
    render: function() {
        this.views.detach();
        this.$el.html( '<iframe src="' + this.controller.state().get('src') + '" />' );
        this.views.render();
        return this;
    }
});

module.exports = Iframe;


/***/ }),
/* 90 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Embed
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Embed = wp.media.View.extend(/** @lends wp.media.view.Ember.prototype */{
    className: 'media-embed',

    initialize: function() {
        /**
         * @member {wp.media.view.EmbedUrl}
         */
        this.url = new wp.media.view.EmbedUrl({
            controller: this.controller,
            model:      this.model.props
        }).render();

        this.views.set([ this.url ]);
        this.refresh();
        this.listenTo( this.model, 'change:type', this.refresh );
        this.listenTo( this.model, 'change:loading', this.loading );
    },

    /**
     * @param {Object} view
     */
    settings: function( view ) {
        if ( this._settings ) {
            this._settings.remove();
        }
        this._settings = view;
        this.views.add( view );
    },

    refresh: function() {
        var type = this.model.get('type'),
            constructor;

        if ( 'image' === type ) {
            constructor = wp.media.view.EmbedImage;
        } else if ( 'link' === type ) {
            constructor = wp.media.view.EmbedLink;
        } else {
            return;
        }

        this.settings( new constructor({
            controller: this.controller,
            model:      this.model.props,
            priority:   40
        }) );
    },

    loading: function() {
        this.$el.toggleClass( 'embed-loading', this.model.get('loading') );
    }
});

module.exports = Embed;


/***/ }),
/* 91 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Label
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Label = wp.media.View.extend(/** @lends wp.media.view.Label.prototype */{
    tagName: 'label',
    className: 'screen-reader-text',

    initialize: function() {
        this.value = this.options.value;
    },

    render: function() {
        this.$el.html( this.value );

        return this;
    }
});

module.exports = Label;


/***/ }),
/* 92 */
/***/ (function(module, exports) {

var View = wp.media.View,
    $ = jQuery,
    EmbedUrl;

/**
 * wp.media.view.EmbedUrl
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
EmbedUrl = View.extend(/** @lends wp.media.view.EmbedUrl.prototype */{
    tagName:   'label',
    className: 'embed-url',

    events: {
        'input':  'url',
        'keyup':  'url',
        'change': 'url'
    },

    initialize: function() {
        this.$input = $('<input id="embed-url-field" type="url" />').val( this.model.get('url') );
        this.input = this.$input[0];

        this.spinner = $('<span class="spinner" />')[0];
        this.$el.append([ this.input, this.spinner ]);

        this.listenTo( this.model, 'change:url', this.render );

        if ( this.model.get( 'url' ) ) {
            _.delay( _.bind( function () {
                this.model.trigger( 'change:url' );
            }, this ), 500 );
        }
    },
    /**
     * @returns {wp.media.view.EmbedUrl} Returns itself to allow chaining
     */
    render: function() {
        var $input = this.$input;

        if ( $input.is(':focus') ) {
            return;
        }

        this.input.value = this.model.get('url') || 'http://';
        /**
         * Call `render` directly on parent class with passed arguments
         */
        View.prototype.render.apply( this, arguments );
        return this;
    },

    ready: function() {
        if ( ! wp.media.isTouchDevice ) {
            this.focus();
        }
    },

    url: function( event ) {
        this.model.set( 'url', $.trim( event.target.value ) );
    },

    /**
     * If the input is visible, focus and select its contents.
     */
    focus: function() {
        var $input = this.$input;
        if ( $input.is(':visible') ) {
            $input.focus()[0].select();
        }
    }
});

module.exports = EmbedUrl;


/***/ }),
/* 93 */
/***/ (function(module, exports) {

var $ = jQuery,
    EmbedLink;

/**
 * wp.media.view.EmbedLink
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.Settings
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
EmbedLink = wp.media.view.Settings.extend(/** @lends wp.media.view.EmbedLink.prototype */{
    className: 'embed-link-settings',
    template:  wp.template('embed-link-settings'),

    initialize: function() {
        this.listenTo( this.model, 'change:url', this.updateoEmbed );
    },

    updateoEmbed: _.debounce( function() {
        var url = this.model.get( 'url' );

        // clear out previous results
        this.$('.embed-container').hide().find('.embed-preview').empty();
        this.$( '.setting' ).hide();

        // only proceed with embed if the field contains more than 11 characters
        // Example: http://a.io is 11 chars
        if ( url && ( url.length < 11 || ! url.match(/^http(s)?:\/\//) ) ) {
            return;
        }

        this.fetch();
    }, wp.media.controller.Embed.sensitivity ),

    fetch: function() {
        var url = this.model.get( 'url' ), re, youTubeEmbedMatch;

        // check if they haven't typed in 500 ms
        if ( $('#embed-url-field').val() !== url ) {
            return;
        }

        if ( this.dfd && 'pending' === this.dfd.state() ) {
            this.dfd.abort();
        }

        // Support YouTube embed urls, since they work once in the editor.
        re = /https?:\/\/www\.youtube\.com\/embed\/([^/]+)/;
        youTubeEmbedMatch = re.exec( url );
        if ( youTubeEmbedMatch ) {
            url = 'https://www.youtube.com/watch?v=' + youTubeEmbedMatch[ 1 ];
        }

        this.dfd = wp.apiRequest({
            url: wp.media.view.settings.oEmbedProxyUrl,
            data: {
                url: url,
                maxwidth: this.model.get( 'width' ),
                maxheight: this.model.get( 'height' )
            },
            type: 'GET',
            dataType: 'json',
            context: this
        })
            .done( function( response ) {
                this.renderoEmbed( {
                    data: {
                        body: response.html || ''
                    }
                } );
            } )
            .fail( this.renderFail );
    },

    renderFail: function ( response, status ) {
        if ( 'abort' === status ) {
            return;
        }
        this.$( '.link-text' ).show();
    },

    renderoEmbed: function( response ) {
        var html = ( response && response.data && response.data.body ) || '';

        if ( html ) {
            this.$('.embed-container').show().find('.embed-preview').html( html );
        } else {
            this.renderFail();
        }
    }
});

module.exports = EmbedLink;


/***/ }),
/* 94 */
/***/ (function(module, exports) {

var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
    EmbedImage;

/**
 * wp.media.view.EmbedImage
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.Settings.AttachmentDisplay
 * @augments wp.media.view.Settings
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
EmbedImage = AttachmentDisplay.extend(/** @lends wp.media.view.EmbedImage.prototype */{
    className: 'embed-media-settings',
    template:  wp.template('embed-image-settings'),

    initialize: function() {
        /**
         * Call `initialize` directly on parent class with passed arguments
         */
        AttachmentDisplay.prototype.initialize.apply( this, arguments );
        this.listenTo( this.model, 'change:url', this.updateImage );
    },

    updateImage: function() {
        this.$('img').attr( 'src', this.model.get('url') );
    }
});

module.exports = EmbedImage;


/***/ }),
/* 95 */
/***/ (function(module, exports) {

var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
    $ = jQuery,
    ImageDetails;

/**
 * wp.media.view.ImageDetails
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.Settings.AttachmentDisplay
 * @augments wp.media.view.Settings
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
ImageDetails = AttachmentDisplay.extend(/** @lends wp.media.view.ImageDetails.prototype */{
    className: 'image-details',
    template:  wp.template('image-details'),
    events: _.defaults( AttachmentDisplay.prototype.events, {
        'click .edit-attachment': 'editAttachment',
        'click .replace-attachment': 'replaceAttachment',
        'click .advanced-toggle': 'onToggleAdvanced',
        'change [data-setting="customWidth"]': 'onCustomSize',
        'change [data-setting="customHeight"]': 'onCustomSize',
        'keyup [data-setting="customWidth"]': 'onCustomSize',
        'keyup [data-setting="customHeight"]': 'onCustomSize'
    } ),
    initialize: function() {
        // used in AttachmentDisplay.prototype.updateLinkTo
        this.options.attachment = this.model.attachment;
        this.listenTo( this.model, 'change:url', this.updateUrl );
        this.listenTo( this.model, 'change:link', this.toggleLinkSettings );
        this.listenTo( this.model, 'change:size', this.toggleCustomSize );

        AttachmentDisplay.prototype.initialize.apply( this, arguments );
    },

    prepare: function() {
        var attachment = false;

        if ( this.model.attachment ) {
            attachment = this.model.attachment.toJSON();
        }
        return _.defaults({
            model: this.model.toJSON(),
            attachment: attachment
        }, this.options );
    },

    render: function() {
        var args = arguments;

        if ( this.model.attachment && 'pending' === this.model.dfd.state() ) {
            this.model.dfd
                .done( _.bind( function() {
                    AttachmentDisplay.prototype.render.apply( this, args );
                    this.postRender();
                }, this ) )
                .fail( _.bind( function() {
                    this.model.attachment = false;
                    AttachmentDisplay.prototype.render.apply( this, args );
                    this.postRender();
                }, this ) );
        } else {
            AttachmentDisplay.prototype.render.apply( this, arguments );
            this.postRender();
        }

        return this;
    },

    postRender: function() {
        setTimeout( _.bind( this.resetFocus, this ), 10 );
        this.toggleLinkSettings();
        if ( window.getUserSetting( 'advImgDetails' ) === 'show' ) {
            this.toggleAdvanced( true );
        }
        this.trigger( 'post-render' );
    },

    resetFocus: function() {
        this.$( '.link-to-custom' ).blur();
        this.$( '.embed-media-settings' ).scrollTop( 0 );
    },

    updateUrl: function() {
        this.$( '.image img' ).attr( 'src', this.model.get( 'url' ) );
        this.$( '.url' ).val( this.model.get( 'url' ) );
    },

    toggleLinkSettings: function() {
        if ( this.model.get( 'link' ) === 'none' ) {
            this.$( '.link-settings' ).addClass('hidden');
        } else {
            this.$( '.link-settings' ).removeClass('hidden');
        }
    },

    toggleCustomSize: function() {
        if ( this.model.get( 'size' ) !== 'custom' ) {
            this.$( '.custom-size' ).addClass('hidden');
        } else {
            this.$( '.custom-size' ).removeClass('hidden');
        }
    },

    onCustomSize: function( event ) {
        var dimension = $( event.target ).data('setting'),
            num = $( event.target ).val(),
            value;

        // Ignore bogus input
        if ( ! /^\d+/.test( num ) || parseInt( num, 10 ) < 1 ) {
            event.preventDefault();
            return;
        }

        if ( dimension === 'customWidth' ) {
            value = Math.round( 1 / this.model.get( 'aspectRatio' ) * num );
            this.model.set( 'customHeight', value, { silent: true } );
            this.$( '[data-setting="customHeight"]' ).val( value );
        } else {
            value = Math.round( this.model.get( 'aspectRatio' ) * num );
            this.model.set( 'customWidth', value, { silent: true  } );
            this.$( '[data-setting="customWidth"]' ).val( value );
        }
    },

    onToggleAdvanced: function( event ) {
        event.preventDefault();
        this.toggleAdvanced();
    },

    toggleAdvanced: function( show ) {
        var $advanced = this.$el.find( '.advanced-section' ),
            mode;

        if ( $advanced.hasClass('advanced-visible') || show === false ) {
            $advanced.removeClass('advanced-visible');
            $advanced.find('.advanced-settings').addClass('hidden');
            mode = 'hide';
        } else {
            $advanced.addClass('advanced-visible');
            $advanced.find('.advanced-settings').removeClass('hidden');
            mode = 'show';
        }

        window.setUserSetting( 'advImgDetails', mode );
    },

    editAttachment: function( event ) {
        var editState = this.controller.states.get( 'edit-image' );

        if ( window.imageEdit && editState ) {
            event.preventDefault();
            editState.set( 'image', this.model.attachment );
            this.controller.setState( 'edit-image' );
        }
    },

    replaceAttachment: function( event ) {
        event.preventDefault();
        this.controller.setState( 'replace-image' );
    }
});

module.exports = ImageDetails;


/***/ }),
/* 96 */
/***/ (function(module, exports) {

var View = wp.media.View,
    UploaderStatus = wp.media.view.UploaderStatus,
    l10n = wp.media.view.l10n,
    $ = jQuery,
    Cropper;

/**
 * wp.media.view.Cropper
 *
 * Uses the imgAreaSelect plugin to allow a user to crop an image.
 *
 * Takes imgAreaSelect options from
 * wp.customize.HeaderControl.calculateImageSelectOptions via
 * wp.customize.HeaderControl.openMM.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
Cropper = View.extend(/** @lends wp.media.view.Cropper.prototype */{
    className: 'crop-content',
    template: wp.template('crop-content'),
    initialize: function() {
        _.bindAll(this, 'onImageLoad');
    },
    ready: function() {
        this.controller.frame.on('content:error:crop', this.onError, this);
        this.$image = this.$el.find('.crop-image');
        this.$image.on('load', this.onImageLoad);
        $(window).on('resize.cropper', _.debounce(this.onImageLoad, 250));
    },
    remove: function() {
        $(window).off('resize.cropper');
        this.$el.remove();
        this.$el.off();
        View.prototype.remove.apply(this, arguments);
    },
    prepare: function() {
        return {
            title: l10n.cropYourImage,
            url: this.options.attachment.get('url')
        };
    },
    onImageLoad: function() {
        var imgOptions = this.controller.get('imgSelectOptions'),
            imgSelect;

        if (typeof imgOptions === 'function') {
            imgOptions = imgOptions(this.options.attachment, this.controller);
        }

        imgOptions = _.extend(imgOptions, {
            parent: this.$el,
            onInit: function() {

                // Store the set ratio.
                var setRatio = imgSelect.getOptions().aspectRatio;

                // On mousedown, if no ratio is set and the Shift key is down, use a 1:1 ratio.
                this.parent.children().on( 'mousedown touchstart', function( e ) {

                    // If no ratio is set and the shift key is down, use a 1:1 ratio.
                    if ( ! setRatio && e.shiftKey ) {
                        imgSelect.setOptions( {
                            aspectRatio: '1:1'
                        } );
                    }
                } );

                this.parent.children().on( 'mouseup touchend', function() {

                    // Restore the set ratio.
                    imgSelect.setOptions( {
                        aspectRatio: setRatio ? setRatio : false
                    } );
                } );
            }
        } );
        this.trigger('image-loaded');
        imgSelect = this.controller.imgSelect = this.$image.imgAreaSelect(imgOptions);
    },
    onError: function() {
        var filename = this.options.attachment.get('filename');

        this.views.add( '.upload-errors', new wp.media.view.UploaderStatusError({
            filename: UploaderStatus.prototype.filename(filename),
            message: window._wpMediaViewsL10n.cropError
        }), { at: 0 });
    }
});

module.exports = Cropper;


/***/ }),
/* 97 */
/***/ (function(module, exports) {

var View = wp.media.view,
    SiteIconCropper;

/**
 * wp.media.view.SiteIconCropper
 *
 * Uses the imgAreaSelect plugin to allow a user to crop a Site Icon.
 *
 * Takes imgAreaSelect options from
 * wp.customize.SiteIconControl.calculateImageSelectOptions.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.view.Cropper
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
SiteIconCropper = View.Cropper.extend(/** @lends wp.media.view.SiteIconCropper.prototype */{
    className: 'crop-content site-icon',

    ready: function () {
        View.Cropper.prototype.ready.apply( this, arguments );

        this.$( '.crop-image' ).on( 'load', _.bind( this.addSidebar, this ) );
    },

    addSidebar: function() {
        this.sidebar = new wp.media.view.Sidebar({
            controller: this.controller
        });

        this.sidebar.set( 'preview', new wp.media.view.SiteIconPreview({
            controller: this.controller,
            attachment: this.options.attachment
        }) );

        this.controller.cropperView.views.add( this.sidebar );
    }
});

module.exports = SiteIconCropper;


/***/ }),
/* 98 */
/***/ (function(module, exports) {

var View = wp.media.View,
    $ = jQuery,
    SiteIconPreview;

/**
 * wp.media.view.SiteIconPreview
 *
 * Shows a preview of the Site Icon as a favicon and app icon while cropping.
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
SiteIconPreview = View.extend(/** @lends wp.media.view.SiteIconPreview.prototype */{
    className: 'site-icon-preview',
    template: wp.template( 'site-icon-preview' ),

    ready: function() {
        this.controller.imgSelect.setOptions({
            onInit: this.updatePreview,
            onSelectChange: this.updatePreview
        });
    },

    prepare: function() {
        return {
            url: this.options.attachment.get( 'url' )
        };
    },

    updatePreview: function( img, coords ) {
        var rx = 64 / coords.width,
            ry = 64 / coords.height,
            preview_rx = 16 / coords.width,
            preview_ry = 16 / coords.height;

        $( '#preview-app-icon' ).css({
            width: Math.round(rx * this.imageWidth ) + 'px',
            height: Math.round(ry * this.imageHeight ) + 'px',
            marginLeft: '-' + Math.round(rx * coords.x1) + 'px',
            marginTop: '-' + Math.round(ry * coords.y1) + 'px'
        });

        $( '#preview-favicon' ).css({
            width: Math.round( preview_rx * this.imageWidth ) + 'px',
            height: Math.round( preview_ry * this.imageHeight ) + 'px',
            marginLeft: '-' + Math.round( preview_rx * coords.x1 ) + 'px',
            marginTop: '-' + Math.floor( preview_ry* coords.y1 ) + 'px'
        });
    }
});

module.exports = SiteIconPreview;


/***/ }),
/* 99 */
/***/ (function(module, exports) {

var View = wp.media.View,
    EditImage;

/**
 * wp.media.view.EditImage
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
EditImage = View.extend(/** @lends wp.media.view.EditImage.prototype */{
    className: 'image-editor',
    template: wp.template('image-editor'),

    initialize: function( options ) {
        this.editor = window.imageEdit;
        this.controller = options.controller;
        View.prototype.initialize.apply( this, arguments );
    },

    prepare: function() {
        return this.model.toJSON();
    },

    loadEditor: function() {
        var dfd = this.editor.open( this.model.get('id'), this.model.get('nonces').edit, this );
        dfd.done( _.bind( this.focus, this ) );
    },

    focus: function() {
        this.$( '.imgedit-submit .button' ).eq( 0 ).focus();
    },

    back: function() {
        var lastState = this.controller.lastState();
        this.controller.setState( lastState );
    },

    refresh: function() {
        this.model.fetch();
    },

    save: function() {
        var lastState = this.controller.lastState();

        this.model.fetch().done( _.bind( function() {
            this.controller.setState( lastState );
        }, this ) );
    }

});

module.exports = EditImage;


/***/ }),
/* 100 */
/***/ (function(module, exports) {

/**
 * wp.media.view.Spinner
 *
 * @memberOf wp.media.view
 *
 * @class
 * @augments wp.media.View
 * @augments wp.Backbone.View
 * @augments Backbone.View
 */
var Spinner = wp.media.View.extend(/** @lends wp.media.view.Spinner.prototype */{
    tagName:   'span',
    className: 'spinner',
    spinnerTimeout: false,
    delay: 400,

    show: function() {
        if ( ! this.spinnerTimeout ) {
            this.spinnerTimeout = _.delay(function( $el ) {
                $el.addClass( 'is-active' );
            }, this.delay, this.$el );
        }

        return this;
    },

    hide: function() {
        this.$el.removeClass( 'is-active' );
        this.spinnerTimeout = clearTimeout( this.spinnerTimeout );

        return this;
    }
});

module.exports = Spinner;


/***/ })
/******/ ]));