mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 06:05:44 +00:00
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 -*-
|
|
*
|
|
* ***** 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 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 ***** */
|
|
|
|
#include "nsISupports.idl"
|
|
|
|
interface imgIDecoderObserver;
|
|
interface imgIRequest;
|
|
|
|
interface nsIChannel;
|
|
interface nsILoadGroup;
|
|
interface nsIStreamListener;
|
|
interface nsIURI;
|
|
|
|
interface nsISimpleEnumerator;
|
|
interface nsIChannelPolicy;
|
|
|
|
#include "nsIRequest.idl" // for nsLoadFlags
|
|
|
|
/**
|
|
* imgILoader interface
|
|
*
|
|
* @author Stuart Parmenter <pavlov@netscape.com>
|
|
* @version 0.3
|
|
* @see imagelib2
|
|
*/
|
|
[scriptable, uuid(47fbc3e7-c654-4ffb-83fc-a861394145ee)]
|
|
interface imgILoader : nsISupports
|
|
{
|
|
/**
|
|
* Start the load and decode of an image.
|
|
* @param aURI the URI to load
|
|
* @param aInitialDocumentURI the URI that 'initiated' the load -- used for 3rd party cookie blocking
|
|
* @param aReferrerURI the 'referring' URI
|
|
* @param aLoadGroup Loadgroup to put the image load into
|
|
* @param aObserver the observer (may be null)
|
|
* @param aCX some random data
|
|
* @param aLoadFlags Load flags for the request
|
|
* @param aCacheKey cache key to use for a load if the original
|
|
* image came from a request that had post data
|
|
* @param aRequest A newly created, unused imgIRequest object or NULL for one to
|
|
be created for you.
|
|
|
|
|
|
* libpr0n does NOT keep a strong ref to the observer; this prevents
|
|
* reference cycles. This means that callers of loadImage should
|
|
* make sure to Cancel() the resulting request before the observer
|
|
* goes away.
|
|
*/
|
|
imgIRequest loadImage(in nsIURI aURI,
|
|
in nsIURI aInitialDocumentURL,
|
|
in nsIURI aReferrerURI,
|
|
in nsILoadGroup aLoadGroup,
|
|
in imgIDecoderObserver aObserver,
|
|
in nsISupports aCX,
|
|
in nsLoadFlags aLoadFlags,
|
|
in nsISupports cacheKey,
|
|
in imgIRequest aRequest,
|
|
in nsIChannelPolicy channelPolicy);
|
|
|
|
/**
|
|
* Start the load and decode of an image.
|
|
* @param aChannel the channel to load the image from. This must
|
|
* already be opened before ths method is called, and there
|
|
* must have been no OnDataAvailable calls for it yet.
|
|
* @param aObserver the observer (may be null)
|
|
* @param cx some random data
|
|
* @param aListener [out]
|
|
* A listener that you must send the channel's notifications and data to.
|
|
* Can be null, in which case imagelib has found a cached image and is
|
|
* not interested in the data. @aChannel will be canceled for you in
|
|
* this case.
|
|
*
|
|
* libpr0n does NOT keep a strong ref to the observer; this prevents
|
|
* reference cycles. This means that callers of loadImageWithChannel should
|
|
* make sure to Cancel() the resulting request before the observer goes away.
|
|
*/
|
|
imgIRequest loadImageWithChannel(in nsIChannel aChannel,
|
|
in imgIDecoderObserver aObserver,
|
|
in nsISupports cx,
|
|
out nsIStreamListener aListener);
|
|
|
|
/**
|
|
* Checks if a decoder for the an image with the given mime type is available
|
|
* @param mimeType The type to find a decoder for
|
|
* @return true if a decoder is available, false otherwise
|
|
*/
|
|
boolean supportImageWithMimeType(in string mimeType);
|
|
};
|