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lightning-sunbird  0.9+nobinonly
nsWindowRoot.h
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00001 /* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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00003  * ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
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00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
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00015  *
00016  * The Original Code is the Mozilla browser.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications, Inc.
00020  * Portions created by the Initial Developer are Copyright (C) 1999
00021  * the Initial Developer. All Rights Reserved.
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00023  * Contributor(s):
00024  *   David W. Hyatt <hyatt@netscape.com> (Original Author)
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00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either of the GNU General Public License Version 2 or later (the "GPL"),
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00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #ifndef nsWindowRoot_h__
00041 #define nsWindowRoot_h__
00042 
00043 class nsIDOMWindow;
00044 class nsIDOMEventListener;
00045 class nsIEventListenerManager;
00046 class nsIDOMEvent;
00047 
00048 #include "nsGUIEvent.h"
00049 #include "nsIDOMEventReceiver.h"
00050 #include "nsIDOM3EventTarget.h"
00051 #include "nsIDOMNSEventTarget.h"
00052 #include "nsIChromeEventHandler.h"
00053 #include "nsIEventListenerManager.h"
00054 #include "nsPIWindowRoot.h"
00055 #include "nsIDOMGCParticipant.h"
00056 #include "nsIFocusController.h"
00057 #include "nsIDOMEventTarget.h"
00058 
00059 class nsWindowRoot : public nsIDOMEventReceiver,
00060                      public nsIDOM3EventTarget,
00061                      public nsIDOMNSEventTarget,
00062                      public nsIChromeEventHandler,
00063                      public nsPIWindowRoot,
00064                      public nsIDOMGCParticipant
00065 {
00066 public:
00067   nsWindowRoot(nsIDOMWindow* aWindow);
00068   virtual ~nsWindowRoot();
00069 
00070   NS_DECL_ISUPPORTS
00071   NS_DECL_NSIDOMEVENTTARGET
00072   NS_DECL_NSIDOM3EVENTTARGET
00073   NS_DECL_NSIDOMNSEVENTTARGET
00074 
00075   NS_IMETHOD HandleChromeEvent(nsPresContext* aPresContext,
00076                                nsEvent* aEvent, nsIDOMEvent** aDOMEvent,
00077                                PRUint32 aFlags, nsEventStatus* aEventStatus);
00078 
00079   NS_IMETHOD AddEventListenerByIID(nsIDOMEventListener *aListener, const nsIID& aIID);
00080   NS_IMETHOD RemoveEventListenerByIID(nsIDOMEventListener *aListener, const nsIID& aIID);
00081   NS_IMETHOD GetListenerManager(nsIEventListenerManager** aInstancePtrResult);
00082   NS_IMETHOD HandleEvent(nsIDOMEvent *aEvent);
00083   NS_IMETHOD GetSystemEventGroup(nsIDOMEventGroup** aGroup);
00084 
00085   // nsIDOMGCParticipant
00086   virtual nsIDOMGCParticipant* GetSCCIndex();
00087   virtual void AppendReachableList(nsCOMArray<nsIDOMGCParticipant>& aArray);
00088 
00089   // nsPIWindowRoot
00090   NS_IMETHOD GetFocusController(nsIFocusController** aResult);
00091 
00092 protected:
00093   // Members
00094   nsIDOMWindow* mWindow; // [Weak]. The window will hold on to us and let go when it dies.
00095   nsCOMPtr<nsIEventListenerManager> mListenerManager; // [Strong]. We own the manager, which owns event listeners attached
00096                                                       // to us.
00097   nsCOMPtr<nsIFocusController> mFocusController; // The focus controller for the root.
00098 };
00099 
00100 extern nsresult
00101 NS_NewWindowRoot(nsIDOMWindow* aWindow,
00102                  nsIChromeEventHandler** aResult);
00103 
00104 #endif