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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1999
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- #include "nsISupports.idl"
- #include "nsISimpleEnumerator.idl"
-
- %{C++
- #define NS_WINDOWMEDIATOR_CID \
- { 0x0659cb83, 0xfaad, 0x11d2, { 0x8e, 0x19, 0xb2, 0x06, 0x62, 0x0a, 0x65, 0x7c } }
-
- #define NS_WINDOWMEDIATOR_CONTRACTID \
- "@mozilla.org/appshell/window-mediator;1"
- %}
-
- interface nsIXULWindow;
- interface nsIWidget;
- interface nsIDOMWindowInternal;
- interface nsIWindowMediatorListener;
-
- [scriptable, uuid(0659cb81-faad-11d2-8e19-b206620a657c)]
- interface nsIWindowMediator: nsISupports
- {
- /** Return an enumerator which iterates over all windows of type aWindowType
- * from the oldest window to the youngest.
- * @param aWindowType the returned enumerator will enumerate only
- * windows of this type. ("type" is the
- * |windowtype| attribute of the XML <window> element.)
- * If null, all windows will be enumerated.
- * @return an enumerator of nsIDOMWindows
- */
- nsISimpleEnumerator getEnumerator(in wstring aWindowType);
-
- /** Identical to getEnumerator except:
- * @return an enumerator of nsIXULWindows
- */
- nsISimpleEnumerator getXULWindowEnumerator(in wstring aWindowType);
-
- /** Return an enumerator which iterates over all windows of type aWindowType
- * in their z (front-to-back) order. Note this interface makes
- * no requirement that a window couldn't be revisited if windows
- * are re-ordered while z-order enumerators are active.
- * @param aWindowType the returned enumerator will enumerate only
- * windows of this type. ("type" is the
- * |windowtype| attribute of the XML <window> element.)
- * If null, all windows will be enumerated.
- * @param aFrontToBack if true, the enumerator enumerates windows in order
- * from front to back. back to front if false.
- * @return an enumerator of nsIDOMWindows
- */
- nsISimpleEnumerator getZOrderDOMWindowEnumerator(in wstring aWindowType,
- in boolean aFrontToBack);
-
- /** Identical to getZOrderDOMWindowEnumerator except:
- * @return an enumerator of nsIXULWindows
- */
- nsISimpleEnumerator getZOrderXULWindowEnumerator(in wstring aWindowType,
- in boolean aFrontToBack);
-
- /** This is a shortcut for simply fetching the first window in
- * front to back order.
- * @param aWindowType return the topmost window of this type.
- * ("type" is the |windowtype| attribute of
- * the XML <window> element.)
- * If null, return the topmost window of any type.
- * @return the topmost window
- */
- nsIDOMWindowInternal getMostRecentWindow(in wstring aWindowType);
-
- /** Add the window to the list of known windows. Listeners (see
- * addListener) will be notified through their onOpenWindow method.
- * @param aWindow the window to add
- */
- [noscript] void registerWindow(in nsIXULWindow aWindow);
-
- /** Remove the window from the list of known windows. Listeners (see
- * addListener) will be be notified through their onCloseWindow method.
- * @param aWindow the window to remove
- */
- [noscript] void unregisterWindow(in nsIXULWindow aWindow);
-
- /** Call this method when a window gains focus. It's a primitive means of
- * determining the most recent window. It's no longer necessary and it
- * really should be removed.
- * @param aWindow the window which has gained focus
- */
- [noscript] void updateWindowTimeStamp(in nsIXULWindow aWindow);
-
- /** Call this method when a window's title changes. Listeners (see
- * addListener) will be notified through their onWindowTitleChange method.
- * @param aWindow the window whose title has changed
- * @param inTitle the window's new title
- */
- [noscript] void updateWindowTitle(in nsIXULWindow aWindow,
- in wstring inTitle );
-
- /* z-ordering: */
-
- const unsigned long zLevelTop = 1;
- const unsigned long zLevelBottom = 2;
- const unsigned long zLevelBelow = 3; // below some window
-
- /** A window wants to be moved in z-order. Calculate whether and how
- * it should be constrained. Note this method is advisory only:
- * it changes nothing either in WindowMediator's internal state
- * or with the window.
- * Note it compares the nsIXULWindow to nsIWidgets. A pure interface
- * would use all nsIXULWindows. But we expect this to be called from
- * callbacks originating in native window code. They are expected to
- * hand us comparison values which are pulled from general storage
- * in the native widget, and may not correspond to an nsIWidget at all.
- * For that reason this interface requires only objects one step
- * removed from the native window (nsIWidgets), and its implementation
- * must be very understanding of what may be completely invalid
- * pointers in those parameters.
- *
- * @param inWindow the window in question
- * @param inPosition requested position
- * values: zLevelTop: topmost window. zLevelBottom: bottom.
- * zLevelBelow: below ioBelow. (the value of ioBelow will
- * be ignored for zLevelTop and Bottom.)
- * @param inBelow if inPosition==zLevelBelow, the window
- * below which inWindow wants to be placed. Otherwise this
- * variable is ignored.
- * @param outPosition constrained position, values like inPosition.
- * @param outBelow if outPosition==zLevelBelow, the window
- * below which inWindow should be placed. Otherwise this
- * this value will be null.
- * @return PR_TRUE if the position returned is different from
- * the position given.
- */
-
- [noscript] boolean calculateZPosition(in nsIXULWindow inWindow,
- in unsigned long inPosition,
- in nsIWidget inBelow,
- out unsigned long outPosition,
- out nsIWidget outBelow);
-
- /** A window has been positioned behind another. Inform WindowMediator
- * @param inWindow the window in question
- * @param inPosition new position. values:
- * zLevelTop: topmost window.
- * zLevelBottom: bottom.
- * zLevelBelow: below inBelow. (inBelow is ignored
- * for other values of inPosition.)
- * @param inBelow the window inWindow is behind, if zLevelBelow
- */
- [noscript] void setZPosition(in nsIXULWindow inWindow,
- in unsigned long inPosition,
- in nsIXULWindow inBelow);
-
- /** Return the window's Z level (as defined in nsIXULWindow).
- * @param aWindow the window in question
- * @return aWindow's z level
- */
- [noscript] PRUint32 getZLevel(in nsIXULWindow aWindow);
-
- /** Set the window's Z level (as defined in nsIXULWindow). The implementation
- * will reposition the window as necessary to match its new Z level.
- * The implementation will assume a window's Z level to be
- * nsIXULWindow::normalZ until it has been informed of a different level.
- * @param aWindow the window in question
- * @param aZLevel the window's new Z level
- */
- [noscript] void setZLevel(in nsIXULWindow aWindow, in PRUint32 aZLevel);
-
- /** Register a listener for window status changes.
- * keeps strong ref? (to be decided)
- * @param aListener the listener to register
- */
- void addListener(in nsIWindowMediatorListener aListener);
-
- /** Unregister a listener of window status changes.
- * @param aListener the listener to unregister
- */
- void removeListener(in nsIWindowMediatorListener aListener);
- };
-