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109 lines
4.6 KiB
Plaintext
109 lines
4.6 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 nsICacheSession.idl, released
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* February 23, 2001.
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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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* Gordon Sheridan <gordon@netscape.com>
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* Patrick Beard <beard@netscape.com>
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* Darin Fisher <darin@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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#include "nsICache.idl"
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interface nsICacheEntryDescriptor;
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interface nsICacheListener;
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[scriptable, uuid(1dd7708c-de48-4ffe-b5aa-cd218c762887)]
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interface nsICacheSession : nsISupports
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{
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/**
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* Expired entries will be doomed or evicted if this attribute is set to
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* true. If false, expired entries will be returned (useful for offline-
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* mode and clients, such as HTTP, that can update the valid lifetime of
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* cached content). This attribute defaults to true.
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*/
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attribute boolean doomEntriesIfExpired;
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/**
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* A cache session can only give out one descriptor with WRITE access
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* to a given cache entry at a time. Until the client calls MarkValid on
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* its descriptor, other attempts to open the same cache entry will block.
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*/
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/**
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* Synchronous cache access. This returns a unique descriptor each
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* time it is called, even if the same key is specified. When
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* called by multiple threads for write access, only one writable
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* descriptor will be granted. If 'blockingMode' is set to false, it will
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* return NS_ERROR_CACHE_WAIT_FOR_VALIDATION rather than block when another
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* descriptor has been given WRITE access but hasn't validated the entry yet.
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*/
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nsICacheEntryDescriptor openCacheEntry(in ACString key,
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in nsCacheAccessMode accessRequested,
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in boolean blockingMode);
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/**
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* Asynchronous cache access. Does not block the calling thread. Instead,
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* the listener will be notified when the descriptor is available. If
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* 'noWait' is set to true, the listener will be notified immediately with
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* status NS_ERROR_CACHE_WAIT_FOR_VALIDATION rather than queuing the request
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* when another descriptor has been given WRITE access but hasn't validated
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* the entry yet.
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*/
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void asyncOpenCacheEntry(in ACString key,
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in nsCacheAccessMode accessRequested,
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in nsICacheListener listener,
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[optional] in boolean noWait);
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/**
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* Evict all entries for this session's clientID according to its storagePolicy.
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*/
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void evictEntries();
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/**
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* Return whether any of the cache devices implied by the session storage policy
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* are currently enabled for instantiation if they don't already exist.
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*/
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boolean isStorageEnabled();
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/**
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* Asynchronously doom an entry specified by the key. Listener will be
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* notified about the status of the operation. Null may be passed if caller
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* doesn't care about the result.
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*/
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void doomEntry(in ACString key, in nsICacheListener listener);
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};
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