gecko-dev/netwerk/cache/public/nsICacheService.idl

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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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 nsICacheService.idl, released February 10, 2001.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 2001 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Gordon Sheridan <gordon@netscape.com>
* Patrick Beard <beard@netscape.com>
* Darin Fisher <darin@netscape.com>
*/
#include "nsISupports.idl"
#include "nsICache.idl"
interface nsISimpleEnumerator;
interface nsICacheListener;
interface nsICacheSession;
interface nsICacheVisitor;
[scriptable, uuid(0ebec4c7-742f-4f27-8e7b-7c8a0cc76348)]
interface nsICacheService : nsISupports
{
/**
* Initialize the cache service.
*/
void init();
/**
* Shutdown the cache service.
*/
void shutdown();
/**
* Create a cache session
*
* A cache session represents a client's access into the cache. The cache
* session is not "owned" by the cache service. Hence, it is possible to
* create duplicate cache sessions. Entries created by a cache session
* are invisible to other cache sessions, unless the cache sessions are
* equivalent.
*
* @param clientID - Specifies the name of the client using the cache.
* @param storagePolicy - Limits the storage policy for all entries
* accessed via the returned session. As a result, devices excluded
* by the storage policy will not be searched when opening entries
* from the returned session.
* @param streamBased - Indicates whether or not the data being cached
* can be represented as a stream. The storagePolicy must be
* consistent with the value of this field. For example, a non-stream-
* based cache entry can only have a storage policy of STORE_IN_MEMORY.
* @return new cache session.
*/
nsICacheSession createSession(in string clientID,
in nsCacheStoragePolicy storagePolicy,
in boolean streamBased);
/**
* Visit entries stored in the cache. Used to implement about:cache.
*/
void visitEntries(in nsICacheVisitor visitor);
/**
* Evicts all entries in all devices implied by the storage policy.
*/
void evictEntries(in nsCacheStoragePolicy storagePolicy);
};