mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 05:35:31 +00:00
88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2001
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Stuart Parmenter <pavlov@netscape.com>
|
|
*
|
|
* 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 ***** */
|
|
|
|
/* class to notify frames of background image loads */
|
|
|
|
#include "nsStubImageDecoderObserver.h"
|
|
|
|
class nsPresContext;
|
|
class nsIFrame;
|
|
class nsIURI;
|
|
|
|
#include "imgIRequest.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
class nsImageLoader : public nsStubImageDecoderObserver
|
|
{
|
|
public:
|
|
nsImageLoader();
|
|
virtual ~nsImageLoader();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// imgIDecoderObserver (override nsStubImageDecoderObserver)
|
|
NS_IMETHOD OnStartContainer(imgIRequest *aRequest, imgIContainer *aImage);
|
|
NS_IMETHOD OnStopFrame(imgIRequest *aRequest, gfxIImageFrame *aFrame);
|
|
// Do not override OnDataAvailable since background images are not
|
|
// displayed incrementally; they are displayed after the entire image
|
|
// has been loaded.
|
|
// Note: Images referenced by the <img> element are displayed
|
|
// incrementally in nsImageFrame.cpp.
|
|
|
|
// imgIContainerObserver (override nsStubImageDecoderObserver)
|
|
NS_IMETHOD FrameChanged(imgIContainer *aContainer, gfxIImageFrame *newframe,
|
|
nsRect * dirtyRect);
|
|
|
|
void Init(nsIFrame *aFrame, nsPresContext *aPresContext);
|
|
nsresult Load(imgIRequest *aImage);
|
|
|
|
void Destroy();
|
|
|
|
nsIFrame *GetFrame() { return mFrame; }
|
|
imgIRequest *GetRequest() { return mRequest; }
|
|
|
|
private:
|
|
void RedrawDirtyFrame(const nsRect* aDamageRect);
|
|
|
|
private:
|
|
nsIFrame *mFrame;
|
|
nsPresContext *mPresContext;
|
|
nsCOMPtr<imgIRequest> mRequest;
|
|
};
|