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/*
Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
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 LayerTreeCoordinatorProxy_h
#define LayerTreeCoordinatorProxy_h
#if USE(COORDINATED_GRAPHICS)
#include "BackingStore.h"
#include "CoordinatedGraphicsArgumentCoders.h"
#include "DrawingAreaProxy.h"
#include "Region.h"
#include "ShareableSurface.h"
#include "SurfaceUpdateInfo.h"
#include "WebLayerTreeInfo.h"
#include <WebCore/GraphicsContext.h>
#include <WebCore/GraphicsLayer.h>
#include <WebCore/GraphicsLayerAnimation.h>
#include <WebCore/GraphicsSurfaceToken.h>
#include <WebCore/IntRect.h>
#include <WebCore/IntSize.h>
#include <WebCore/RunLoop.h>
#include <WebCore/Timer.h>
#include <wtf/Functional.h>
#include <wtf/HashSet.h>
namespace WebKit {
class WebLayerInfo;
class LayerTreeRenderer;
class WebLayerUpdateInfo;
class LayerTreeCoordinatorProxy {
WTF_MAKE_NONCOPYABLE(LayerTreeCoordinatorProxy);
WTF_MAKE_FAST_ALLOCATED;
public:
explicit LayerTreeCoordinatorProxy(DrawingAreaProxy*);
~LayerTreeCoordinatorProxy();
void setCompositingLayerState(WebLayerID, const WebLayerInfo&);
void setCompositingLayerChildren(WebLayerID, const Vector<WebLayerID>&);
#if ENABLE(CSS_FILTERS)
void setCompositingLayerFilters(WebLayerID, const WebCore::FilterOperations&);
#endif
#if ENABLE(CSS_SHADERS)
void createCustomFilterProgram(int id, const WebCore::CustomFilterProgramInfo&);
void removeCustomFilterProgram(int id);
#endif
void deleteCompositingLayer(WebLayerID);
void setRootCompositingLayer(WebLayerID);
void setContentsSize(const WebCore::FloatSize&);
void setVisibleContentsRect(const WebCore::FloatRect&, float scale, const WebCore::FloatPoint& trajectoryVector);
void didRenderFrame(const WebCore::IntSize& contentsSize, const WebCore::IntRect& coveredRect);
void createTileForLayer(int layerID, int tileID, const WebCore::IntRect&, const SurfaceUpdateInfo&);
void updateTileForLayer(int layerID, int tileID, const WebCore::IntRect&, const SurfaceUpdateInfo&);
void removeTileForLayer(int layerID, int tileID);
void createUpdateAtlas(int atlasID, const ShareableSurface::Handle&);
void removeUpdateAtlas(int atlasID);
void createImageBacking(CoordinatedImageBackingID);
void updateImageBacking(CoordinatedImageBackingID, const ShareableSurface::Handle&);
void clearImageBackingContents(CoordinatedImageBackingID);
void removeImageBacking(CoordinatedImageBackingID);
void didReceiveLayerTreeCoordinatorProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::MessageDecoder&);
void updateViewport();
void renderNextFrame();
void didChangeScrollPosition(const WebCore::IntPoint& position);
#if USE(GRAPHICS_SURFACE)
void createCanvas(WebLayerID, const WebCore::IntSize&, const WebCore::GraphicsSurfaceToken&);
void syncCanvas(WebLayerID, uint32_t frontBuffer);
void destroyCanvas(WebLayerID);
#endif
void purgeBackingStores();
LayerTreeRenderer* layerTreeRenderer() const { return m_renderer.get(); }
void setLayerAnimations(WebLayerID, const WebCore::GraphicsLayerAnimations&);
void setAnimationsLocked(bool);
#if ENABLE(REQUEST_ANIMATION_FRAME)
void requestAnimationFrame();
void animationFrameReady();
#endif
void setBackgroundColor(const WebCore::Color&);
protected:
void dispatchUpdate(const Function<void()>&);
DrawingAreaProxy* m_drawingAreaProxy;
RefPtr<LayerTreeRenderer> m_renderer;
WebCore::IntRect m_lastSentVisibleRect;
float m_lastSentScale;
WebCore::FloatPoint m_lastSentTrajectoryVector;
typedef HashMap<int /* atlasID */, RefPtr<ShareableSurface> > SurfaceMap;
SurfaceMap m_surfaces;
};
}
#endif
#endif // LayerTreeCoordinatorProxy_h
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