pjs/dom/base/nsWindowRoot.h

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/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** 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 the Mozilla browser.
*
* The Initial Developer of the Original Code is
* Netscape Communications, Inc.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* David W. Hyatt <hyatt@netscape.com> (Original Author)
*
* 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 ***** */
#ifndef nsWindowRoot_h__
#define nsWindowRoot_h__
class nsIDOMWindow;
class nsIDOMEventListener;
class nsIEventListenerManager;
class nsIDOMEvent;
class nsEventChainPreVisitor;
class nsEventChainPostVisitor;
#include "nsIDOMEventTarget.h"
#include "nsIDOM3EventTarget.h"
#include "nsIDOMNSEventTarget.h"
#include "nsIEventListenerManager.h"
#include "nsPIWindowRoot.h"
#include "nsIFocusController.h"
#include "nsIDOMEventTarget.h"
#include "nsCycleCollectionParticipant.h"
class nsWindowRoot : public nsIDOMEventTarget,
public nsIDOM3EventTarget,
public nsIDOMNSEventTarget,
public nsPIWindowRoot
{
public:
nsWindowRoot(nsIDOMWindow* aWindow);
virtual ~nsWindowRoot();
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIDOMEVENTTARGET
NS_DECL_NSIDOM3EVENTTARGET
NS_DECL_NSIDOMNSEVENTTARGET
virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
virtual nsresult PostHandleEvent(nsEventChainPostVisitor& aVisitor);
virtual nsresult DispatchDOMEvent(nsEvent* aEvent,
nsIDOMEvent* aDOMEvent,
nsPresContext* aPresContext,
nsEventStatus* aEventStatus);
virtual nsresult GetListenerManager(PRBool aCreateIfNotFound,
nsIEventListenerManager** aResult);
virtual nsresult AddEventListenerByIID(nsIDOMEventListener *aListener,
const nsIID& aIID);
virtual nsresult RemoveEventListenerByIID(nsIDOMEventListener *aListener,
const nsIID& aIID);
virtual nsresult GetSystemEventGroup(nsIDOMEventGroup** aGroup);
virtual nsresult GetContextForEventHandlers(nsIScriptContext** aContext)
{
*aContext = nsnull;
return NS_OK;
}
// nsPIWindowRoot
NS_IMETHOD GetFocusController(nsIFocusController** aResult);
virtual nsIDOMWindow* GetWindow();
NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsWindowRoot, nsIDOMEventTarget)
protected:
// Members
nsIDOMWindow* mWindow; // [Weak]. The window will hold on to us and let go when it dies.
nsCOMPtr<nsIEventListenerManager> mListenerManager; // [Strong]. We own the manager, which owns event listeners attached
// to us.
nsCOMPtr<nsIFocusController> mFocusController; // The focus controller for the root.
};
extern nsresult
NS_NewWindowRoot(nsIDOMWindow* aWindow,
nsPIDOMEventTarget** aResult);
#endif