105 lines
3.5 KiB
Plaintext
105 lines
3.5 KiB
Plaintext
/*
|
|
* Copyright (C) 2017 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.
|
|
*/
|
|
|
|
#import "config.h"
|
|
|
|
#if HAVE(APPLE_LOW_POWER_MODE_SUPPORT)
|
|
#import "LowPowerModeNotifier.h"
|
|
|
|
#import "Logging.h"
|
|
#import <Foundation/NSProcessInfo.h>
|
|
#import <wtf/MainThread.h>
|
|
|
|
@interface WebLowPowerModeObserver : NSObject
|
|
@property (nonatomic) WebCore::LowPowerModeNotifier* notifier;
|
|
@property (nonatomic, readonly) BOOL isLowPowerModeEnabled;
|
|
@end
|
|
|
|
@implementation WebLowPowerModeObserver {
|
|
}
|
|
|
|
- (WebLowPowerModeObserver *)initWithNotifier:(WebCore::LowPowerModeNotifier&)notifier
|
|
{
|
|
self = [super init];
|
|
if (!self)
|
|
return nil;
|
|
|
|
_notifier = ¬ifier;
|
|
_isLowPowerModeEnabled = [NSProcessInfo processInfo].lowPowerModeEnabled;
|
|
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_didReceiveLowPowerModeChange) name:NSProcessInfoPowerStateDidChangeNotification object:nil];
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc
|
|
{
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self name:NSProcessInfoPowerStateDidChangeNotification object:nil];
|
|
[super dealloc];
|
|
}
|
|
|
|
- (void)_didReceiveLowPowerModeChange
|
|
{
|
|
_isLowPowerModeEnabled = [NSProcessInfo processInfo].lowPowerModeEnabled;
|
|
// We need to make sure we notify the client on the main thread.
|
|
callOnMainThread([self, protectedSelf = RetainPtr<WebLowPowerModeObserver>(self)] {
|
|
if (_notifier)
|
|
notifyLowPowerModeChanged(*_notifier, _isLowPowerModeEnabled);
|
|
});
|
|
}
|
|
|
|
@end
|
|
|
|
namespace WebCore {
|
|
|
|
LowPowerModeNotifier::LowPowerModeNotifier(LowPowerModeChangeCallback&& callback)
|
|
: m_observer(adoptNS([[WebLowPowerModeObserver alloc] initWithNotifier:*this]))
|
|
, m_callback(WTFMove(callback))
|
|
{
|
|
}
|
|
|
|
LowPowerModeNotifier::~LowPowerModeNotifier()
|
|
{
|
|
m_observer.get().notifier = nil;
|
|
}
|
|
|
|
bool LowPowerModeNotifier::isLowPowerModeEnabled() const
|
|
{
|
|
return m_observer.get().isLowPowerModeEnabled;
|
|
}
|
|
|
|
void LowPowerModeNotifier::notifyLowPowerModeChanged(bool enabled)
|
|
{
|
|
m_callback(enabled);
|
|
}
|
|
|
|
void notifyLowPowerModeChanged(LowPowerModeNotifier& notifier, bool enabled)
|
|
{
|
|
RELEASE_LOG(PerformanceLogging, "Low power mode state has changed to %d", enabled);
|
|
notifier.notifyLowPowerModeChanged(enabled);
|
|
}
|
|
|
|
} // namespace WebCore
|
|
|
|
#endif // PLATFORM(APPLE_LOW_POWER_MODE_SUPPORT)
|