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/*
* Copyright (C) 2012 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.
*/
#ifndef GraphicsLayerUpdater_h
#define GraphicsLayerUpdater_h
#include "DisplayRefreshMonitorClient.h"
#include "PlatformScreen.h"
namespace WebCore {
class GraphicsLayerUpdater;
class GraphicsLayerUpdaterClient {
public:
virtual ~GraphicsLayerUpdaterClient() { }
virtual void flushLayersSoon(GraphicsLayerUpdater&) = 0;
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
virtual RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const = 0;
#endif
};
class GraphicsLayerUpdater
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
: public DisplayRefreshMonitorClient
#endif
{
WTF_MAKE_FAST_ALLOCATED;
public:
GraphicsLayerUpdater(GraphicsLayerUpdaterClient&, PlatformDisplayID);
virtual ~GraphicsLayerUpdater();
void scheduleUpdate();
void screenDidChange(PlatformDisplayID);
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
virtual RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override;
#endif
private:
#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
virtual void displayRefreshFired(double timestamp) override;
GraphicsLayerUpdaterClient& m_client;
#endif
bool m_scheduled { false };
};
} // namespace WebCore
#endif // GraphicsLayerUpdater_h
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