gecko-dev/embedding/browser/webBrowser/nsContextMenuInfo.h

103 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1999, Mozilla. All Rights Reserved.
*
* Contributor(s):
* Conrad Carlen <ccarlen@netscape.com>
*/
#ifndef nsContextMenuInfo_h__
#define nsContextMenuInfo_h__
#include "nsIContextMenuListener2.h"
#include "nsIDOMNode.h"
#include "nsIDOMEvent.h"
#include "imgIContainer.h"
#include "imgIRequest.h"
#include "nsIFrame.h"
#include "nsStyleStruct.h"
class nsIFrame;
class ChromeContextMenuListener;
//*****************************************************************************
// class nsContextMenuInfo
//
// Helper class for implementors of nsIContextMenuListener2
//*****************************************************************************
class nsContextMenuInfo : public nsIContextMenuInfo
{
friend class ChromeContextMenuListener;
public:
nsContextMenuInfo();
NS_DECL_ISUPPORTS
NS_DECL_NSICONTEXTMENUINFO
private:
virtual ~nsContextMenuInfo();
void SetMouseEvent(nsIDOMEvent *aEvent)
{ mMouseEvent = aEvent; }
void SetDOMNode(nsIDOMNode *aNode)
{ mDOMNode = aNode; }
void SetAssociatedLink(nsIDOMNode *aLink)
{ mAssociatedLink = aLink; }
nsresult GetImageRequest(nsIDOMNode * aDOMNode, imgIRequest ** aRequest);
PRBool HasBackgroundImage(nsIDOMNode * aDOMNode);
nsresult GetBackgroundImageRequest(nsIDOMNode * aDOMNode, imgIRequest ** aRequest);
PRBool FindBackground(nsIPresContext* aPresContext,
nsIFrame* aForFrame,
const nsStyleBackground** aBackground,
PRBool* aIsCanvas);
PRBool FindElementBackground(nsIPresContext* aPresContext,
nsIFrame* aForFrame,
const nsStyleBackground** aBackground);
PRBool FindCanvasBackground(nsIPresContext* aPresContext,
nsIFrame* aForFrame,
const nsStyleBackground** aBackground);
nsresult GetFrameForBackgroundUpdate(nsIPresContext *aPresContext,
nsIFrame *aFrame,
nsIFrame **aBGFrame);
PRBool IsCanvasFrame(nsIFrame *aFrame);
private:
nsCOMPtr<nsIDOMEvent> mMouseEvent;
nsCOMPtr<nsIDOMNode> mDOMNode;
nsCOMPtr<nsIDOMNode> mAssociatedLink;
nsCOMPtr<imgIRequest> mCachedBGImageRequest;
nsIDOMNode *mCachedBGImageRequestNode;
}; // class nsContextMenuInfo
#endif // nsContextMenuInfo_h__