ftp.novell.com/2014.06.ftp.novell.com.tar/ftp.novell.com/forge/camtasia.msi/Cabs.w1.cab/realembed.js

Text File | 2009-08-17 | 5KB | 210 lines

/**
 * @author Brooks Andrus
 * October 30, 2006
 *
 * Real Player JavaScript detection and embed script
 * Inspired by Geoff Stern's SWFObject http://blog.deconcept.com/swfobject/
 *
 * Tested and found to work on:
 *    - Windows XP, IE 6, Firefox 1.5
 *    - Mac OS X, Firefox 1.5, Firefox 2.0, Safari 2.0.4
 *
 * Known Issues
 *    - Opera & Real Media fail on all platforms
 */



/**
 * Here's our JavaScript constructor function.
 *
 * @param src - the file name / path
 * @param id  - the object id for the embedded wmp
 * @param w   - the width of the object / embed area
 * @param h   - the height of the object / embed area
 */
RealEmbed = function( src, id, w , h )
{
    this.params     = new Object();
    this.attributes = new Array();

    if ( id  )  { this.setAttribute('id'    , id  ); }
    if ( src )  { this.setAttribute( 'src'  , src ); }
    if ( w   )  { this.setAttribute('width' , w   ); }
    if ( h   )  { this.setAttribute('height', h   ); }
}

/**
 * Stuffs attributes array with name value pairs.
 *
 */
RealEmbed.prototype.setAttribute = function( name, value )
{
    this.attributes[name] = value;
}

/**
 * Returns value for a given attribute array key.
 *
 */
RealEmbed.prototype.getAttribute = function( name )
{
    return this.attributes[name];
}

/**
 * Allows name / value parameter tags to be chained onto the
 * RealEmbed object - keeps the constructor from being enormous
 *
 */
RealEmbed.prototype.addParam = function( name, value )
{
    this.params[name] = value;
}

/**
 * Returns a keyed array of name / value parameters
 *
 */
RealEmbed.prototype.getParams = function()
{
    return this.params;
}

/**
 * Returns a string of html param tags with name / value pairs set.
 *
 */
RealEmbed.prototype.getParamTags = function( ie )
{
    var params = "";
    if ( ie )
    {
        var paramObj = this.getParams();

        for ( var i in paramObj )
        {
            params += '<param name="' + i + '" value="' + paramObj[i] + '" />'
        }
    }
    else
    {
        var paramObj = this.getParams();
        for ( var i in this.getParams() )
        {
            params += ' ' + i + '="' +  paramObj[i] + '"';
        }
    }
    return params;
}

RealEmbed.prototype.getFormattedName = function()
{
    var videofile =  this.getAttribute( 'src' );
    // this will be the final video link (absolute path)
    var videolink = location.href;

    // remove the file:// because windows media doesn't understand that
    var file = videolink.indexOf( "file://");

    if ( file > -1 )
    {
        // this is a local path
        videolink = videolink.substring( file + 8 );
        // remove the %20 because media player doesn't understand those
        while( videolink.lastIndexOf( "%20" ) != -1 )
        {
            videolink = videolink.replace( "%20", " " );
        }
        //remove the html file name now
        var lastslash = videolink.lastIndexOf( "/");
        if ( lastslash > -1 )
        {
            videolink = videolink.substring( 0, lastslash );
        }
        //add the video file name
        videolink = videolink + "/" + videofile;
    }
    if ( navigator && navigator.userAgent.substr( 0, navigator.userAgent.indexOf( "/" ) ) == "Opera" )
    {
        videolink = videofile;
    }
    else
    {
        videolink = videofile;
    }
    return videolink;
}

/**
 * Creates the object and embed tags needed to display Real Player
 * in a web page.
 *
 */
RealEmbed.prototype.getHTML = function()
{
    var node;
    if ( navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length )
    {
        node  = '<embed name="' + this.getAttribute( 'id' ) + '"'
                + ' id="' + this.getAttribute( 'id' ) + '"'
                + ' width="' + this.getAttribute( 'width' ) + '"'
                + ' height="' + this.getAttribute( 'height' ) + '"'
                + ' src="' + this.getFormattedName() + '"'
                + ' type="audio/x-pn-realaudio-plugin"'
                + this.getParamTags( false )
        node += ' />';
    }
    else
    {
        node  = '<object id="' + this.getAttribute( 'id' ) + '"'
                + ' classid="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA"'
                + ' width="' + this.getAttribute( 'width' ) + '"'
                + ' height="' + this.getAttribute( 'height' )
                + ' type="audio/x-pn-realaudio-plugin"'
                + '">'
                + '<param name="src" value="' + this.getAttribute( 'src' ) + '" />'
                + this.getParamTags( true )
                + '</object>';
    }
    return node
}

/**
 * Responsible for writing out the innerHTML for the element identified
 *
 */
RealEmbed.prototype.write = function( elementId )
{
    var n = ( typeof elementId == 'string' ) ? document.getElementById( elementId ) : elementId;
    n.innerHTML = this.getHTML();
    return true;
}

/**
 * Returns boolean value indicating whether Real Player
 * plugin is installed for the browser in use. A touch of vb
 * script is actually used when IE is the browser.
 */
function isRealInstalled()
{
    var installed = false;
    realObj = false;
    if ( navigator.mimeTypes && navigator.mimeTypes.length )
    {
        for ( var i = 0; i < navigator.mimeTypes.length; i++ )
        {
            var mt = navigator.mimeTypes[i];
            if ( mt.type == "audio/x-pn-realaudio-plugin" )
            {
                installed = true;
            }
        }
    }
    else
    {
        execScript( 'on error resume next: realObj = IsObject( CreateObject( "rmocx.RealPlayer G2 Control.1" ) )','VBScript' );
        installed = realObj;
    }
    return installed;
}