| /* |
| * 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 |