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/*
* Copyright (C) 2010, 2014 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.
*/
#pragma once
#include "AnimationFrameRate.h"
#include "DisplayRefreshMonitor.h"
#include "PlatformScreen.h"
#include <wtf/NeverDestroyed.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
struct DisplayUpdate;
class DisplayRefreshMonitorManager {
friend class NeverDestroyed<DisplayRefreshMonitorManager>;
friend class DisplayRefreshMonitor;
public:
WEBCORE_EXPORT static DisplayRefreshMonitorManager& sharedManager();
void unregisterClient(DisplayRefreshMonitorClient&);
bool scheduleAnimation(DisplayRefreshMonitorClient&);
void windowScreenDidChange(PlatformDisplayID, DisplayRefreshMonitorClient&);
WEBCORE_EXPORT std::optional<FramesPerSecond> nominalFramesPerSecondForDisplay(PlatformDisplayID, DisplayRefreshMonitorFactory*);
void clientPreferredFramesPerSecondChanged(DisplayRefreshMonitorClient&);
WEBCORE_EXPORT void displayDidRefresh(PlatformDisplayID, const DisplayUpdate&);
private:
DisplayRefreshMonitorManager() = default;
virtual ~DisplayRefreshMonitorManager();
void displayMonitorDisplayDidRefresh(DisplayRefreshMonitor&);
size_t findMonitorForDisplayID(PlatformDisplayID) const;
DisplayRefreshMonitor* monitorForDisplayID(PlatformDisplayID) const;
DisplayRefreshMonitor* monitorForClient(DisplayRefreshMonitorClient&);
DisplayRefreshMonitor* ensureMonitorForDisplayID(PlatformDisplayID, DisplayRefreshMonitorFactory*);
struct DisplayRefreshMonitorWrapper {
~DisplayRefreshMonitorWrapper()
{
if (monitor)
monitor->stop();
}
RefPtr<DisplayRefreshMonitor> monitor;
};
Vector<DisplayRefreshMonitorWrapper> m_monitors;
};
}
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