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/*
* 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.
*/
#pragma once
#include <wtf/CheckedPtr.h>
#include <wtf/Function.h>
#include <wtf/TZoneMalloc.h>
#if HAVE(APPLE_LOW_POWER_MODE_SUPPORT)
#include <wtf/RetainPtr.h>
OBJC_CLASS WebLowPowerModeObserver;
#endif
#if USE(GLIB)
#include <wtf/glib/GRefPtr.h>
extern "C" {
typedef struct _GPowerProfileMonitor GPowerProfileMonitor;
};
#endif
namespace WebCore {
class LowPowerModeNotifier : public CanMakeCheckedPtr<LowPowerModeNotifier> {
WTF_MAKE_TZONE_ALLOCATED_EXPORT(LowPowerModeNotifier, WEBCORE_EXPORT);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(LowPowerModeNotifier);
public:
using LowPowerModeChangeCallback = Function<void(bool isLowPowerModeEnabled)>;
WEBCORE_EXPORT explicit LowPowerModeNotifier(LowPowerModeChangeCallback&&);
WEBCORE_EXPORT ~LowPowerModeNotifier();
WEBCORE_EXPORT bool isLowPowerModeEnabled() const;
private:
#if HAVE(APPLE_LOW_POWER_MODE_SUPPORT)
void notifyLowPowerModeChanged(bool);
friend void notifyLowPowerModeChanged(LowPowerModeNotifier&, bool);
RetainPtr<WebLowPowerModeObserver> m_observer;
LowPowerModeChangeCallback m_callback;
#elif USE(GLIB)
LowPowerModeChangeCallback m_callback;
GRefPtr<GPowerProfileMonitor> m_powerProfileMonitor;
bool m_lowPowerModeEnabled { false };
#endif
};
}
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