зеркало из https://github.com/mozilla/pjs.git
99 строки
3.6 KiB
C++
99 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications, Inc. Portions created by Netscape are
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* Copyright (C) 1999, Mozilla. All Rights Reserved.
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*
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* Contributor(s):
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*
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*/
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#ifndef nsPrintPreviewListener_h__
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#define nsPrintPreviewListener_h__
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// Interfaces needed to be included
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#include "nsIDOMContextMenuListener.h"
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#include "nsIDOMKeyListener.h"
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#include "nsIDOMMouseListener.h"
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#include "nsIDOMMouseMotionListener.h"
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// Helper Classes
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#include "nsIDOMEventReceiver.h"
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#include "nsCOMPtr.h"
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#define REG_NONE_LISTENER 0x00
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#define REG_CONTEXTMENU_LISTENER 0x01
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#define REG_KEY_LISTENER 0x02
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#define REG_MOUSE_LISTENER 0x04
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#define REG_MOUSEMOTION_LISTENER 0x08
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//
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// class nsPrintPreviewListener
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//
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// The class that listens to the chrome events and tells the embedding
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// chrome to show context menus, as appropriate. Handles registering itself
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// with the DOM with AddChromeListeners() and removing itself with
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// RemoveChromeListeners().
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//
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class nsPrintPreviewListener : public nsIDOMContextMenuListener,
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public nsIDOMKeyListener,
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public nsIDOMMouseListener,
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public nsIDOMMouseMotionListener
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{
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public:
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NS_DECL_ISUPPORTS
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nsPrintPreviewListener(nsIDOMEventReceiver* aEVRec);
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virtual ~nsPrintPreviewListener()
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{
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}
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// nsIDOMContextMenuListener
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
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NS_IMETHOD ContextMenu (nsIDOMEvent* aEvent) { aEvent->PreventDefault(); return NS_OK; }
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// nsIDOMKeyListener
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NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent);
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NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
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NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
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// nsIDOMMouseListener
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NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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// nsIDOMMouseMotionListener
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NS_IMETHOD DragMove(nsIDOMEvent* aMouseEvent) { return NS_OK; };
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NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent) { aMouseEvent->PreventDefault(); return NS_OK; }
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// Add/remove the relevant listeners, based on what interfaces
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// the embedding chrome implements.
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nsresult AddListeners();
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nsresult RemoveListeners();
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private:
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nsCOMPtr<nsIDOMEventReceiver> mEventReceiver;
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PRInt8 mRegFlags;
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}; // class nsPrintPreviewListener
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#endif /* nsPrintPreviewListener_h__ */
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