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lightning-sunbird  0.9+nobinonly
nsWindowMediator.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef __nsWindowMediator_h
00039 #define __nsWindowMediator_h
00040 
00041 #include "nsCOMPtr.h"
00042 #include "nsIWindowMediator.h"
00043 #include "nsISupportsArray.h"
00044 #include "nsVoidArray.h"
00045 #include "nsXPIDLString.h"
00046 #include "nsCRT.h"
00047 
00048 class nsAppShellWindowEnumerator;
00049 class nsASXULWindowEarlyToLateEnumerator;
00050 class nsASDOMWindowEarlyToLateEnumerator;
00051 class nsASDOMWindowFrontToBackEnumerator;
00052 class nsASXULWindowFrontToBackEnumerator;
00053 class nsASDOMWindowBackToFrontEnumerator;
00054 class nsASXULWindowBackToFrontEnumerator;
00055 struct nsWindowInfo;
00056 struct PRLock;
00057 
00058 class nsWindowMediator : public nsIWindowMediator
00059 {
00060 friend class nsAppShellWindowEnumerator;
00061 friend class nsASXULWindowEarlyToLateEnumerator;
00062 friend class nsASDOMWindowEarlyToLateEnumerator;
00063 friend class nsASDOMWindowFrontToBackEnumerator;
00064 friend class nsASXULWindowFrontToBackEnumerator;
00065 friend class nsASDOMWindowBackToFrontEnumerator;
00066 friend class nsASXULWindowBackToFrontEnumerator;
00067 
00068 public:
00069   nsWindowMediator();
00070   virtual ~nsWindowMediator();
00071   nsresult Init();
00072 
00073   NS_DECL_NSIWINDOWMEDIATOR
00074   
00075   // COM 
00076   NS_DECL_ISUPPORTS 
00077 
00078 private:
00079   // Helper functions
00080   PRInt32 AddEnumerator( nsAppShellWindowEnumerator* inEnumerator );
00081   PRInt32 RemoveEnumerator( nsAppShellWindowEnumerator* inEnumerator);
00082   nsWindowInfo *MostRecentWindowInfo(const PRUnichar* inType);
00083 
00084   NS_IMETHOD    UnregisterWindow(nsWindowInfo *inInfo);
00085   nsWindowInfo *GetInfoFor(nsIXULWindow *aWindow);
00086   nsWindowInfo *GetInfoFor(nsIWidget *aWindow);
00087   void          SortZOrderFrontToBack();
00088   void          SortZOrderBackToFront();
00089 
00090   nsVoidArray   mEnumeratorList;
00091   nsWindowInfo *mOldestWindow,
00092                *mTopmostWindow;
00093   PRInt32       mTimeStamp;
00094   PRBool        mSortingZOrder;
00095   PRLock       *mListLock;
00096   nsCOMPtr<nsISupportsArray> mListeners;
00097 
00098   static PRInt32 gRefCnt;
00099 };
00100 
00101 #endif