blob: eef7afd50e94ee0139d6bc46ffd41503f39e261b [file] [log] [blame]
/*
* 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.
*/
#pragma once
#include "DisplayRefreshMonitorClient.h"
#include "PlatformScreen.h"
namespace WebCore {
class DisplayRefreshMonitorFactory;
class GraphicsLayerUpdater;
class GraphicsLayerUpdaterClient {
public:
virtual ~GraphicsLayerUpdaterClient() = default;
virtual void flushLayersSoon(GraphicsLayerUpdater&) = 0;
virtual DisplayRefreshMonitorFactory* displayRefreshMonitorFactory() = 0;
};
class GraphicsLayerUpdater final : public DisplayRefreshMonitorClient {
WTF_MAKE_FAST_ALLOCATED;
public:
GraphicsLayerUpdater(GraphicsLayerUpdaterClient&, PlatformDisplayID);
virtual ~GraphicsLayerUpdater();
void scheduleUpdate();
void screenDidChange(PlatformDisplayID);
private:
void displayRefreshFired() final;
DisplayRefreshMonitorFactory* displayRefreshMonitorFactory() const final;
GraphicsLayerUpdaterClient& m_client;
bool m_scheduled { false };
};
} // namespace WebCore