| /* |
| * 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" |
| |
| #include <Foundation/Foundation.h> |
| #include <wtf/Assertions.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 *)notification |
| { |
| 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; |
| } |
| } |
| |
| } |