/usr/share/idl/thunderbird/imgILoader.idl is in thunderbird-dev 1:52.8.0-1~deb8u1.
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*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface imgINotificationObserver;
interface imgIRequest;
interface nsIChannel;
interface nsILoadGroup;
interface nsIPrincipal;
interface nsIStreamListener;
interface nsIURI;
interface nsISimpleEnumerator;
#include "nsIRequest.idl" // for nsLoadFlags
#include "nsIContentPolicy.idl" // for nsContentPolicyType
/**
* imgILoader interface
*
* @author Stuart Parmenter <pavlov@netscape.com>
* @version 0.3
* @see imagelib2
*/
[scriptable, builtinclass, uuid(e61377d2-910e-4c65-a64b-428d150e1fd1)]
interface imgILoader : nsISupports
{
// Extra flags to pass to loadImage if you want a load to use CORS
// validation.
const unsigned long LOAD_CORS_ANONYMOUS = 1 << 16;
const unsigned long LOAD_CORS_USE_CREDENTIALS = 1 << 17;
/**
* 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 aReferrerPolicy the policy to apply to sending referrers.
* examples: "default", "never", "always", "origin"
* (see W3C referrer-policy spec for valid policy strings)
* @param aLoadingPrincipal the principal of the loading document
* @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 aContentPolicyType [optional] the nsContentPolicyType to
* use for this load. Defaults to
* nsIContentPolicy::TYPE_IMAGE
* ImageLib 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 loadImageXPCOM(in nsIURI aURI,
in nsIURI aInitialDocumentURL,
in nsIURI aReferrerURI,
in AString aReferrerPolicy,
in nsIPrincipal aLoadingPrincipal,
in nsILoadGroup aLoadGroup,
in imgINotificationObserver aObserver,
in nsISupports aCX,
in nsLoadFlags aLoadFlags,
in nsISupports cacheKey,
[optional]
in nsContentPolicyType aContentPolicyType);
/**
* 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.
*
* ImageLib 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 loadImageWithChannelXPCOM(in nsIChannel aChannel,
in imgINotificationObserver aObserver,
in nsISupports cx,
out nsIStreamListener aListener);
};
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