gecko-dev/image/public/imgICache.idl

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 nsIURI;
interface imgIRequest;
interface nsIProperties;
/**
* imgICache interface
*
* @author Stuart Parmenter <pavlov@netscape.com>
* @version 0.1
* @see imagelib2
*/
[scriptable, uuid(f1b74aae-5661-4753-a21c-66dd644afebc)]
interface imgICache : nsISupports
{
/**
* Evict images from the cache.
*
* @param chrome If TRUE, evict only chrome images.
* If FALSE, evict everything except chrome images.
*/
void clearCache(in boolean chrome);
/**
* Evict images from the cache.
*
* @param uri The URI to remove.
* @return NS_OK if \a uri was removed from the cache.
* NS_ERROR_NOT_AVAILABLE if \a uri was unable to be removed from the cache.
*/
void removeEntry(in nsIURI uri);
/**
* Find Properties
* Used to get properties such as 'type' and 'content-disposition'
* 'type' is a nsISupportsCString containing the images' mime type such as 'image/png'
* 'content-disposition' will be a nsISupportsCString containing the header
* If you call this before any data has been loaded from a URI, it will succeed,
* but come back empty.
*
* @param uri The URI to look up.
* @returns NULL if the URL was not found in the cache
*/
nsIProperties findEntryProperties(in nsIURI uri);
};