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81 lines
3.1 KiB
Plaintext
81 lines
3.1 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is nsICacheSession.idl, released February 23, 2001.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation. All
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* 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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#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(b4b419ad-28b7-4d25-9988-20fa98505a19)]
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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 PRBool 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 string 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.
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* Instead, the listener will be notified when the descriptor is
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* available.
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*/
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void asyncOpenCacheEntry(in string key,
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in nsCacheAccessMode accessRequested,
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in nsICacheListener listener);
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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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PRBool isStorageEnabled();
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};
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