71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/*
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* Copyright (C) 2017 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. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/Function.h>
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#if HAVE(APPLE_LOW_POWER_MODE_SUPPORT)
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#include <wtf/RetainPtr.h>
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OBJC_CLASS WebLowPowerModeObserver;
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#endif
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#if USE(GLIB)
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#include <wtf/glib/GRefPtr.h>
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typedef struct _GDBusProxy GDBusProxy;
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#endif
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namespace WebCore {
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class LowPowerModeNotifier {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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using LowPowerModeChangeCallback = WTF::Function<void(bool isLowPowerModeEnabled)>;
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WEBCORE_EXPORT explicit LowPowerModeNotifier(LowPowerModeChangeCallback&&);
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WEBCORE_EXPORT ~LowPowerModeNotifier();
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WEBCORE_EXPORT bool isLowPowerModeEnabled() const;
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private:
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#if HAVE(APPLE_LOW_POWER_MODE_SUPPORT)
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void notifyLowPowerModeChanged(bool);
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friend void notifyLowPowerModeChanged(LowPowerModeNotifier&, bool);
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RetainPtr<WebLowPowerModeObserver> m_observer;
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LowPowerModeChangeCallback m_callback;
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#elif USE(GLIB)
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void updateWarningLevel();
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void warningLevelChanged();
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static void gPropertiesChangedCallback(LowPowerModeNotifier*, GVariant* changedProperties);
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GRefPtr<GDBusProxy> m_displayDeviceProxy;
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GRefPtr<GCancellable> m_cancellable;
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LowPowerModeChangeCallback m_callback;
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bool m_lowPowerModeEnabled { false };
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#endif
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};
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}
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