6102456793
decoders should QI the request to nsIImageDecoderObserver and call the methods with null for the request param people will be able to add an observer to the request so that they can get the messages git-svn-id: svn://10.0.0.236/trunk@85570 18797224-902f-48f8-a5cc-f745e15eee43
78 lines
2.3 KiB
Plaintext
78 lines
2.3 KiB
Plaintext
/** -*- Mode: C++; tab-width: 2; 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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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*/
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#include "nsISupports.idl"
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#include "gfxtypes.idl"
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interface nsIImageRequest;
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interface nsIImageContainer;
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interface nsIImageFrame;
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/**
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* nsIImageDecoderObserver interface
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*
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* @author Stuart Parmenter <pavlov@netscape.com>
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* @version 0.1
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* @see imagelib2
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*/
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[scriptable, uuid(350163d2-1dd2-11b2-9e69-89959ecec1f3)]
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interface nsIImageDecoderObserver : nsISupports
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{
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/**
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* called as soon as the image begins getting decoded
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*/
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void onStartDecode(in nsIImageRequest request);
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/**
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* called once the image has been inited and therefore has a width and height
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*/
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void onStartContainer(in nsIImageRequest request, in nsIImageContainer image);
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/**
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* called when each frame is created
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*/
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void onStartFrame(in nsIImageRequest request, in nsIImageFrame frame);
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/**
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* called when some part of the frame has new data in it
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*/
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[noscript] void onDataAvailable(in nsIImageRequest request, in nsIImageFrame frame, [const] in nsRect2 rect);
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/**
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* called when a frame is finished decoding
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*/
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void onStopFrame(in nsIImageRequest request, in nsIImageFrame frame);
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/**
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* probably not needed. called right before onStopDecode
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*/
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void onStopContainer(in nsIImageRequest request, in nsIImageContainer image);
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/**
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* called when the decoder is dying off
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*/
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void onStopDecode(in nsIImageRequest request, in nsresult status,
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in wstring statusArg);
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};
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