/* * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #import "config.h" #import "SharedTimer.h" #import "WebCoreThread.h" #include <CoreFoundation/CoreFoundation.h> #include <wtf/Assertions.h> namespace WebCore { static void (*sharedTimerFiredFunction)(); void setSharedTimerFiredFunction(void (*f)()) { ASSERT(!sharedTimerFiredFunction || sharedTimerFiredFunction == f); sharedTimerFiredFunction = f; } static void timerFired(CFRunLoopTimerRef, void*) { sharedTimerFiredFunction(); } void setSharedTimerFireTime(double fireTime) { ASSERT(sharedTimerFiredFunction); WebThreadContext *threadContext = WebThreadCurrentContext(); CFRunLoopTimerRef sharedTimer = threadContext->sharedTimer; if (sharedTimer) { CFRunLoopTimerInvalidate(sharedTimer); CFRelease(sharedTimer); } CFAbsoluteTime fireDate = fireTime - kCFAbsoluteTimeIntervalSince1970; sharedTimer = CFRunLoopTimerCreate(0, fireDate, 0, 0, 0, timerFired, 0); threadContext->sharedTimer = sharedTimer; CFRunLoopAddTimer(threadContext->runLoop, sharedTimer, kCFRunLoopDefaultMode); } void stopSharedTimer() { WebThreadContext *threadContext = WebThreadCurrentContext(); CFRunLoopTimerRef sharedTimer = threadContext->sharedTimer; if (sharedTimer) { CFRunLoopTimerInvalidate(sharedTimer); CFRelease(sharedTimer); threadContext->sharedTimer = NULL; } } }