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/*
Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2013 Company 100, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef CoordinatedLayerTreeHostProxy_h
#define CoordinatedLayerTreeHostProxy_h
#if USE(COORDINATED_GRAPHICS)
#include "CoordinatedGraphicsArgumentCoders.h"
#include "CoordinatedGraphicsScene.h"
#include "MessageReceiver.h"
#include <functional>
namespace WebCore {
struct CoordinatedGraphicsState;
class IntSize;
}
namespace WebKit {
class CoordinatedDrawingAreaProxy;
class CoordinatedLayerTreeHostProxy : public CoordinatedGraphicsSceneClient, public IPC::MessageReceiver {
WTF_MAKE_NONCOPYABLE(CoordinatedLayerTreeHostProxy);
WTF_MAKE_FAST_ALLOCATED;
public:
explicit CoordinatedLayerTreeHostProxy(CoordinatedDrawingAreaProxy*);
virtual ~CoordinatedLayerTreeHostProxy();
void commitCoordinatedGraphicsState(const WebCore::CoordinatedGraphicsState&);
void setVisibleContentsRect(const WebCore::FloatRect&, const WebCore::FloatPoint& trajectoryVector);
CoordinatedGraphicsScene* coordinatedGraphicsScene() const { return m_scene.get(); }
virtual void updateViewport() override;
virtual void renderNextFrame() override;
virtual void purgeBackingStores() override;
virtual void commitScrollOffset(uint32_t layerID, const WebCore::IntSize& offset) override;
protected:
void dispatchUpdate(std::function<void()>);
// IPC::MessageReceiver
virtual void didReceiveMessage(IPC::Connection&, IPC::MessageDecoder&) override;
CoordinatedDrawingAreaProxy* m_drawingAreaProxy;
RefPtr<CoordinatedGraphicsScene> m_scene;
WebCore::FloatRect m_lastSentVisibleRect;
WebCore::FloatPoint m_lastSentTrajectoryVector;
};
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
#endif // CoordinatedLayerTreeHostProxy_h
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