/* * Copyright (C) 2006, 2010, 2015 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 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 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" #if PLATFORM(MAC) #import "PowerObserverMac.h" namespace WebCore { PowerObserver::PowerObserver(WTF::Function<void()>&& powerOnHander) : m_powerOnHander(WTFMove(powerOnHander)) , m_powerConnection(0) , m_notificationPort(nullptr) , m_notifierReference(0) , m_dispatchQueue(dispatch_queue_create("com.apple.WebKit.PowerObserver", 0)) { m_powerConnection = IORegisterForSystemPower(this, &m_notificationPort, [](void* context, io_service_t service, uint32_t messageType, void* messageArgument) { static_cast<PowerObserver*>(context)->didReceiveSystemPowerNotification(service, messageType, messageArgument); }, &m_notifierReference); if (!m_powerConnection) return; IONotificationPortSetDispatchQueue(m_notificationPort, m_dispatchQueue); } PowerObserver::~PowerObserver() { if (!m_powerConnection) return; dispatch_release(m_dispatchQueue); IODeregisterForSystemPower(&m_notifierReference); IOServiceClose(m_powerConnection); IONotificationPortDestroy(m_notificationPort); } void PowerObserver::didReceiveSystemPowerNotification(io_service_t, uint32_t messageType, void* messageArgument) { IOAllowPowerChange(m_powerConnection, reinterpret_cast<long>(messageArgument)); // We only care about the "wake from sleep" message. if (messageType != kIOMessageSystemWillPowerOn) return; // We need to restart the timer on the main thread. CFRunLoopPerformBlock(CFRunLoopGetMain(), kCFRunLoopCommonModes, ^() { m_powerOnHander(); }); } } // namespace WebCore #endif