blob: dd7692bebeb3017d6dfa22568c9aa5df324dace8 [file] [log] [blame]
/*
* Copyright (C) 2020 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. AND ITS CONTRIBUTORS ``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 ITS 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.
*/
#include "config.h"
#include "PowerSourceNotifier.h"
#import "SystemBattery.h"
#import <notify.h>
#import <pal/spi/cocoa/IOPSLibSPI.h>
#import <wtf/RunLoop.h>
namespace WebCore {
PowerSourceNotifier::PowerSourceNotifier(PowerSourceNotifierCallback&& callback)
: m_callback(WTFMove(callback))
{
int token = 0;
auto status = notify_register_dispatch(kIOPSNotifyPowerSource, &token, dispatch_get_main_queue(), [weakThis = WeakPtr { *this }] (int) {
if (weakThis)
weakThis->notifyPowerSourceChanged();
});
if (status == NOTIFY_STATUS_OK)
m_tokenID = token;
// If the current value of systemHasAC() is uncached, force a notification.
if (!cachedSystemHasAC()) {
RunLoop::main().dispatch([weakThis = WeakPtr { *this }] {
if (weakThis)
weakThis->notifyPowerSourceChanged();
});
}
}
PowerSourceNotifier::~PowerSourceNotifier()
{
if (m_tokenID)
notify_cancel(*m_tokenID);
}
void PowerSourceNotifier::notifyPowerSourceChanged()
{
resetSystemHasAC();
if (m_callback)
m_callback(systemHasAC());
}
}