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/*
* 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