Back to index

lightning-sunbird  0.9+nobinonly
nsImageLoader.h
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 2; 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 mozilla.org code.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications Corporation.
00020  * Portions created by the Initial Developer are Copyright (C) 2001
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   Stuart Parmenter <pavlov@netscape.com>
00025  *
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"),
00028  * or 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
00030  * of those above. If you wish to allow use of your version of this file only
00031  * under the terms of either the GPL or the LGPL, and not to allow others to
00032  * use your version of this file under the terms of the MPL, indicate your
00033  * decision by deleting the provisions above and replace them with the notice
00034  * and other provisions required by the GPL or the LGPL. If you do not delete
00035  * the provisions above, a recipient may use your version of this file under
00036  * the terms of any one of the MPL, the GPL or the LGPL.
00037  *
00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #include "imgIDecoderObserver.h"
00041 
00042 class nsPresContext;
00043 class nsIFrame;
00044 class nsIURI;
00045 
00046 #include "imgIRequest.h"
00047 #include "nsCOMPtr.h"
00048 
00049 class nsImageLoader : public imgIDecoderObserver
00050 {
00051 public:
00052   nsImageLoader();
00053   virtual ~nsImageLoader();
00054 
00055   NS_DECL_ISUPPORTS
00056   NS_DECL_IMGIDECODEROBSERVER
00057   NS_DECL_IMGICONTAINEROBSERVER
00058 
00059   void Init(nsIFrame *aFrame, nsPresContext *aPresContext);
00060   nsresult Load(imgIRequest *aImage);
00061 
00062   void Destroy();
00063 
00064   nsIFrame *GetFrame() { return mFrame; }
00065   imgIRequest *GetRequest() { return mRequest; }
00066 
00067 private:
00068   void RedrawDirtyFrame(const nsRect* aDamageRect);
00069 
00070 private:
00071   nsIFrame *mFrame;
00072   nsPresContext *mPresContext;
00073   nsCOMPtr<imgIRequest> mRequest;
00074 };