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125 lines
5.0 KiB
Plaintext
125 lines
5.0 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All 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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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface imgIDecoderObserver;
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interface imgIRequest;
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interface nsIChannel;
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interface nsILoadGroup;
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interface nsIStreamListener;
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interface nsIURI;
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interface nsISimpleEnumerator;
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interface nsIChannelPolicy;
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#include "nsIRequest.idl" // for nsLoadFlags
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/**
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* imgILoader interface
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*
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* @author Stuart Parmenter <pavlov@netscape.com>
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* @version 0.3
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* @see imagelib2
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*/
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[scriptable, uuid(47fbc3e7-c654-4ffb-83fc-a861394145ee)]
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interface imgILoader : nsISupports
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{
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/**
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* Start the load and decode of an image.
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* @param aURI the URI to load
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* @param aInitialDocumentURI the URI that 'initiated' the load -- used for 3rd party cookie blocking
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* @param aReferrerURI the 'referring' URI
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* @param aLoadGroup Loadgroup to put the image load into
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* @param aObserver the observer (may be null)
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* @param aCX some random data
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* @param aLoadFlags Load flags for the request
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* @param aCacheKey cache key to use for a load if the original
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* image came from a request that had post data
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* @param aRequest A newly created, unused imgIRequest object or NULL for one to
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be created for you.
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* libpr0n does NOT keep a strong ref to the observer; this prevents
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* reference cycles. This means that callers of loadImage should
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* make sure to Cancel() the resulting request before the observer
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* goes away.
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*/
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imgIRequest loadImage(in nsIURI aURI,
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in nsIURI aInitialDocumentURL,
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in nsIURI aReferrerURI,
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in nsILoadGroup aLoadGroup,
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in imgIDecoderObserver aObserver,
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in nsISupports aCX,
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in nsLoadFlags aLoadFlags,
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in nsISupports cacheKey,
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in imgIRequest aRequest,
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in nsIChannelPolicy channelPolicy);
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/**
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* Start the load and decode of an image.
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* @param aChannel the channel to load the image from. This must
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* already be opened before ths method is called, and there
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* must have been no OnDataAvailable calls for it yet.
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* @param aObserver the observer (may be null)
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* @param cx some random data
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* @param aListener [out]
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* A listener that you must send the channel's notifications and data to.
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* Can be null, in which case imagelib has found a cached image and is
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* not interested in the data. @aChannel will be canceled for you in
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* this case.
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*
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* libpr0n does NOT keep a strong ref to the observer; this prevents
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* reference cycles. This means that callers of loadImageWithChannel should
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* make sure to Cancel() the resulting request before the observer goes away.
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*/
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imgIRequest loadImageWithChannel(in nsIChannel aChannel,
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in imgIDecoderObserver aObserver,
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in nsISupports cx,
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out nsIStreamListener aListener);
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/**
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* Checks if a decoder for the an image with the given mime type is available
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* @param mimeType The type to find a decoder for
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* @return true if a decoder is available, false otherwise
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*/
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boolean supportImageWithMimeType(in string mimeType);
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};
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