gecko-dev/startupcache/nsIStartupCache.idl
2012-05-21 12:12:37 +01:00

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/* -*- Mode: IDL; 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 "nsIInputStream.idl"
#include "nsISupports.idl"
#include "nsIObserver.idl"
#include "nsIObjectOutputStream.idl"
[uuid(c1b3796b-33af-4ff0-b83d-8eb0ca2c080f)]
interface nsIStartupCache : nsISupports
{
/** This interface is provided for testing purposes only, basically
* just to solve link vagaries. See docs in StartupCache.h
* GetBuffer, PutBuffer, and InvalidateCache act as described
* in that file. */
PRUint32 getBuffer(in string aID, out charPtr aBuffer);
void putBuffer(in string aID, in string aBuffer,
in PRUint32 aLength);
void invalidateCache();
/** In debug builds, wraps this object output stream with a stream that will
* detect and prevent the write of a multiply-referenced non-singleton object
* during serialization. In non-debug, returns an add-ref'd pointer to
* original stream, unwrapped. */
nsIObjectOutputStream getDebugObjectOutputStream(in nsIObjectOutputStream aStream);
/* Allows clients to check whether the one-time writeout after startup
* has finished yet, and also to set this variable as needed (so test
* code can fire mulitple startup writes if needed).
*/
boolean startupWriteComplete();
void resetStartupWriteTimer();
/* Instruct clients to always post cache ages to Telemetry, even in
cases where it would not normally make sense. */
void recordAgesAlways();
/* Allows clients to simulate the behavior of ObserverService. */
readonly attribute nsIObserver observer;
};