76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
/*
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* Copyright (C) 2006, 2010, 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "config.h"
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#if PLATFORM(MAC)
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#import "PowerObserverMac.h"
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namespace WebCore {
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PowerObserver::PowerObserver(WTF::Function<void()>&& powerOnHander)
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: m_powerOnHander(WTFMove(powerOnHander))
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, m_powerConnection(0)
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, m_notificationPort(nullptr)
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, m_notifierReference(0)
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, m_dispatchQueue(adoptOSObject(dispatch_queue_create("com.apple.WebKit.PowerObserver", 0)))
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{
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m_powerConnection = IORegisterForSystemPower(this, &m_notificationPort, [](void* context, io_service_t service, uint32_t messageType, void* messageArgument) {
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static_cast<PowerObserver*>(context)->didReceiveSystemPowerNotification(service, messageType, messageArgument);
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}, &m_notifierReference);
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if (!m_powerConnection)
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return;
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IONotificationPortSetDispatchQueue(m_notificationPort, m_dispatchQueue.get());
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}
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PowerObserver::~PowerObserver()
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{
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if (!m_powerConnection)
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return;
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IODeregisterForSystemPower(&m_notifierReference);
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IOServiceClose(m_powerConnection);
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IONotificationPortDestroy(m_notificationPort);
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}
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void PowerObserver::didReceiveSystemPowerNotification(io_service_t, uint32_t messageType, void* messageArgument)
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{
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IOAllowPowerChange(m_powerConnection, reinterpret_cast<long>(messageArgument));
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// We only care about the "wake from sleep" message.
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if (messageType != kIOMessageSystemWillPowerOn)
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return;
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// We need to restart the timer on the main thread.
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CFRunLoopPerformBlock(CFRunLoopGetMain(), kCFRunLoopCommonModes, ^() {
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m_powerOnHander();
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});
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}
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} // namespace WebCore
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#endif
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