зеркало из https://github.com/mozilla/pjs.git
104 строки
4.4 KiB
Plaintext
104 строки
4.4 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2001
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Darin Fisher <darin@netscape.com> (original author)
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the NPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the NPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsISupports.idl"
|
|
|
|
interface nsIFile;
|
|
|
|
/**
|
|
* A channel may optionally implement this interface to allow clients
|
|
* to effect its behavior with respect to how it uses the cache service.
|
|
*
|
|
* This interface provides:
|
|
* 1) Support for "stream as file" semantics (for JAR and plugins).
|
|
* 2) Support for "pinning" cached data in the cache (for printing and save-as).
|
|
*/
|
|
[scriptable, uuid(b1f95f5e-ee05-4434-9d34-89a935d7feef)]
|
|
interface nsICachingChannel : nsISupports
|
|
{
|
|
/**
|
|
* Set/get the cache token... uniquely identifies the data in the cache.
|
|
* Holding a reference to this token prevents the cached data from being
|
|
* removed. A cache token retrieved from a particular instance of
|
|
* nsICachingChannel could be set on another instance of nsICachingChannel
|
|
* provided the underlying implementations are compatible. The implemen-
|
|
* tation of nsICachingChannel would be expected to only read from the
|
|
* cache entry identified by the cache token and not try to validate it.
|
|
*
|
|
* The cache token can be treated as an opaque object; however, it can be
|
|
* QI'd to a nsICacheEntryDescriptor if more detailed information about the
|
|
* cache entry is needed.
|
|
*/
|
|
attribute nsISupports cacheToken;
|
|
|
|
/**
|
|
* Set/get the cache key... uniquely identifies the data in the cache.
|
|
* Holding a reference to this key DOES NOT prevent the cached data from
|
|
* being removed. It is otherwise similar to the cacheToken.
|
|
*
|
|
* The fromCacheOnly flag inhibits fetching from the net if the data in the
|
|
* cache has been evicted. An error of NS_ERROR_DOCUMENT_NOT_CACHED will
|
|
* be sent to the listener's onStopRequest in this case.
|
|
*/
|
|
nsISupports getCacheKey();
|
|
void setCacheKey(in nsISupports cacheKey, in boolean fromCacheOnly);
|
|
|
|
/**
|
|
* Specifies whether or not the data should be cached to a file. This
|
|
* may fail if the disk cache is not present. The value of this attribute
|
|
* is usually only settable during the processing of a channel's
|
|
* OnStartRequest. The default value of this attribute depends on the
|
|
* particular implementation of nsICachingChannel.
|
|
*/
|
|
attribute boolean cacheAsFile;
|
|
|
|
/**
|
|
* Get the "file" where the cached data can be found. This is valid for
|
|
* as long as a reference to the cache token is held. This may return
|
|
* an error if cacheAsFile is false.
|
|
*/
|
|
readonly attribute nsIFile cacheFile;
|
|
};
|
|
|
|
%{C++
|
|
/**
|
|
* nsresult passed through onStopRequest if the document could not be fetched from the cache.
|
|
*/
|
|
#define NS_ERROR_DOCUMENT_NOT_CACHED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_NETWORK, 70)
|
|
%}
|