b4b70055bb
'AVIARY_1_0_20040515_BRANCH'. git-svn-id: svn://10.0.0.236/branches/AVIARY_1_0_20040515_BRANCH@156431 18797224-902f-48f8-a5cc-f745e15eee43
124 lines
2.9 KiB
C++
124 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* 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 mozilla.org code.
|
|
*
|
|
* 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):
|
|
* Stuart Parmenter <pavlov@netscape.com>
|
|
*/
|
|
|
|
#include "imgThread.h"
|
|
|
|
#include "nsIEventQueueService.h"
|
|
|
|
#include "nsIComponentManager.h"
|
|
#include "nsIServiceManager.h"
|
|
|
|
#include "prlock.h"
|
|
|
|
#include "nsAutoLock.h"
|
|
|
|
NS_IMPL_THREADSAFE_ISUPPORTS1(imgThread, nsIRunnable)
|
|
|
|
imgThread::imgThread()
|
|
{
|
|
/* member initializers and constructor code */
|
|
mLock = PR_NewLock();
|
|
mMonitor = PR_NewMonitor();
|
|
}
|
|
|
|
imgThread::~imgThread()
|
|
{
|
|
/* destructor code */
|
|
PR_DestroyLock(mLock);
|
|
PR_DestroyMonitor(mMonitor);
|
|
}
|
|
|
|
nsresult imgThread::Init()
|
|
{
|
|
if (!mThread) {
|
|
nsresult rv = NS_NewThread(getter_AddRefs(mThread),
|
|
NS_STATIC_CAST(nsIRunnable*, this),
|
|
0,
|
|
PR_UNJOINABLE_THREAD,
|
|
PR_PRIORITY_NORMAL,
|
|
PR_GLOBAL_THREAD);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult imgThread::GetEventQueue(nsIEventQueue **aEventQueue)
|
|
{
|
|
PR_EnterMonitor(mMonitor);
|
|
|
|
if (!mEventQueue)
|
|
PR_Wait(mMonitor, PR_INTERVAL_NO_TIMEOUT);
|
|
|
|
*aEventQueue = mEventQueue;
|
|
NS_ADDREF(*aEventQueue);
|
|
|
|
PR_ExitMonitor(mMonitor);
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/** nsIRunnable methods **/
|
|
|
|
/* void Run(); */
|
|
NS_IMETHODIMP imgThread::Run()
|
|
{
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIEventQueue> currentThreadQ;
|
|
|
|
PR_EnterMonitor(mMonitor);
|
|
|
|
nsCOMPtr<nsIEventQueueService> eventService(do_GetService("@mozilla.org/event-queue-service;1", &rv));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = eventService->CreateMonitoredThreadEventQueue();
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = eventService->GetThreadEventQueue(NS_CURRENT_THREAD, getter_AddRefs(mEventQueue));
|
|
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "unable to create event queue");
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
PR_Notify(mMonitor);
|
|
|
|
PR_ExitMonitor(mMonitor);
|
|
|
|
PLEvent *event;
|
|
while (1) {
|
|
rv = mEventQueue->WaitForEvent(&event);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
rv = mEventQueue->HandleEvent(event);
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
|
|
rv = eventService->DestroyThreadEventQueue();
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
mEventQueue = nsnull;
|
|
|
|
return NS_OK;
|
|
}
|