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lightning-sunbird  0.9+nobinonly
nsContextMenuInfo.h
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
00002  *
00003  * ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
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
00014  * License.
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.
00022  *
00023  * Contributor(s):
00024  *   Conrad Carlen <ccarlen@netscape.com>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either the GNU General Public License Version 2 or later (the "GPL"), or
00028  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00029  * in which case the provisions of the GPL or the LGPL are applicable instead
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00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #ifndef nsContextMenuInfo_h__
00041 #define nsContextMenuInfo_h__
00042 
00043 #include "nsCOMPtr.h"
00044 #include "nsIContextMenuListener2.h"
00045 #include "nsIDOMNode.h"
00046 #include "nsIDOMEvent.h"
00047 #include "imgIContainer.h"
00048 #include "imgIRequest.h"
00049 
00050 class ChromeContextMenuListener;
00051 
00052 //*****************************************************************************
00053 // class nsContextMenuInfo
00054 //
00055 // Helper class for implementors of nsIContextMenuListener2
00056 //*****************************************************************************
00057  
00058 class nsContextMenuInfo : public nsIContextMenuInfo
00059 {
00060   friend class ChromeContextMenuListener;
00061   
00062 public:    
00063                     nsContextMenuInfo();
00064 
00065   NS_DECL_ISUPPORTS
00066   NS_DECL_NSICONTEXTMENUINFO
00067   
00068 private:
00069   virtual           ~nsContextMenuInfo();
00070 
00071   void              SetMouseEvent(nsIDOMEvent *aEvent)
00072                     { mMouseEvent = aEvent; }
00073 
00074   void              SetDOMNode(nsIDOMNode *aNode)
00075                     { mDOMNode = aNode; }
00076                     
00077   void              SetAssociatedLink(nsIDOMNode *aLink)
00078                     { mAssociatedLink = aLink; }
00079 
00080   nsresult          GetImageRequest(nsIDOMNode *aDOMNode,
00081                                     imgIRequest **aRequest);
00082 
00083   PRBool            HasBackgroundImage(nsIDOMNode *aDOMNode);
00084 
00085   nsresult          GetBackgroundImageRequest(nsIDOMNode *aDOMNode,
00086                                               imgIRequest **aRequest);
00087 
00088   nsresult          GetBackgroundImageRequestInternal(nsIDOMNode *aDOMNode,
00089                                                       imgIRequest **aRequest);
00090   
00091 private:
00092   nsCOMPtr<nsIDOMEvent>   mMouseEvent;
00093   nsCOMPtr<nsIDOMNode>    mDOMNode;  
00094   nsCOMPtr<nsIDOMNode>    mAssociatedLink;
00095 
00096 }; // class nsContextMenuInfo
00097 
00098 
00099 #endif // nsContextMenuInfo_h__