/* | |
* Copyright (C) 2006 Apple 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 <wtf/Assertions.h> | |
#import <wtf/UnusedParam.h> | |
@class WebCorePowerNotifier; | |
namespace WebCore { | |
static WebCorePowerNotifier *powerNotifier; | |
static CFRunLoopTimerRef sharedTimer; | |
static void (*sharedTimerFiredFunction)(); | |
static void timerFired(CFRunLoopTimerRef, void*); | |
} | |
@interface WebCorePowerNotifier : NSObject | |
@end | |
@implementation WebCorePowerNotifier | |
- (id)init | |
{ | |
self = [super init]; | |
if (self) | |
[[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self | |
selector:@selector(didWake:) | |
name:NSWorkspaceDidWakeNotification | |
object:nil]; | |
return self; | |
} | |
- (void)didWake:(NSNotification *)unusedNotification | |
{ | |
UNUSED_PARAM(unusedNotification); | |
if (WebCore::sharedTimer) { | |
WebCore::stopSharedTimer(); | |
WebCore::timerFired(0, 0); | |
} | |
} | |
@end | |
namespace WebCore { | |
void setSharedTimerFiredFunction(void (*f)()) | |
{ | |
ASSERT(!sharedTimerFiredFunction || sharedTimerFiredFunction == f); | |
sharedTimerFiredFunction = f; | |
} | |
static void timerFired(CFRunLoopTimerRef, void*) | |
{ | |
// FIXME: We can remove this global catch-all if we fix <rdar://problem/5299018>. | |
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; | |
sharedTimerFiredFunction(); | |
[pool drain]; | |
} | |
void setSharedTimerFireTime(double fireTime) | |
{ | |
ASSERT(sharedTimerFiredFunction); | |
if (sharedTimer) { | |
CFRunLoopTimerInvalidate(sharedTimer); | |
CFRelease(sharedTimer); | |
} | |
CFAbsoluteTime fireDate = fireTime - kCFAbsoluteTimeIntervalSince1970; | |
sharedTimer = CFRunLoopTimerCreate(0, fireDate, 0, 0, 0, timerFired, 0); | |
CFRunLoopAddTimer(CFRunLoopGetCurrent(), sharedTimer, kCFRunLoopCommonModes); | |
if (!powerNotifier) { | |
powerNotifier = [[WebCorePowerNotifier alloc] init]; | |
CFRetain(powerNotifier); | |
[powerNotifier release]; | |
} | |
} | |
void stopSharedTimer() | |
{ | |
if (sharedTimer) { | |
CFRunLoopTimerInvalidate(sharedTimer); | |
CFRelease(sharedTimer); | |
sharedTimer = 0; | |
} | |
} | |
} |