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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 LayerTreeHostProxy_h
#define LayerTreeHostProxy_h
#include "BackingStore.h"
#include "DrawingAreaProxy.h"
#include "MessageQueue.h"
#include "Region.h"
#include "RunLoop.h"
#include "WebLayerTreeInfo.h"
#include <WebCore/GraphicsContext.h>
#include <WebCore/GraphicsLayer.h>
#include <WebCore/IntRect.h>
#include <WebCore/IntSize.h>
#include <wtf/HashSet.h>
#if USE(TEXTURE_MAPPER)
#include "TextureMapper.h"
#include "TextureMapperNode.h"
#endif
namespace WebKit {
class WebLayerInfo;
class WebLayerUpdateInfo;
using namespace WebCore;
class LayerTreeMessageToRenderer;
class LayerTreeHostProxy : public GraphicsLayerClient {
public:
LayerTreeHostProxy(DrawingAreaProxy*);
virtual ~LayerTreeHostProxy();
void syncCompositingLayerState(const WebLayerInfo&);
void deleteCompositingLayer(WebLayerID);
void setRootCompositingLayer(WebLayerID);
void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
void paintToCurrentGLContext(const TransformationMatrix&, float);
void purgeGLResources();
void setVisibleContentsRectAndScale(const IntRect&, float);
void setVisibleContentRectTrajectoryVector(const FloatPoint&);
#if USE(TILED_BACKING_STORE)
void syncRemoteContent();
void swapContentBuffers();
void didRenderFrame();
void createTileForLayer(int layerID, int tileID, const WebKit::UpdateInfo&);
void updateTileForLayer(int layerID, int tileID, const WebKit::UpdateInfo&);
void removeTileForLayer(int layerID, int tileID);
void createDirectlyCompositedImage(int64_t, const WebKit::ShareableBitmap::Handle&);
void destroyDirectlyCompositedImage(int64_t);
void didReceiveLayerTreeHostProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
void setVisibleContentsRectForLayer(WebLayerID, const IntRect&);
void updateViewport();
#endif
protected:
PassOwnPtr<GraphicsLayer> createLayer(WebLayerID);
GraphicsLayer* layerByID(WebLayerID id) { return (id == InvalidWebLayerID) ? 0 : m_layers.get(id); }
GraphicsLayer* rootLayer() { return m_rootLayer.get(); }
// Reimplementations from WebCore::GraphicsLayerClient.
virtual void notifyAnimationStarted(const GraphicsLayer*, double) { }
virtual void notifySyncRequired(const GraphicsLayer*) { }
virtual bool showDebugBorders() const { return false; }
virtual bool showRepaintCounter() const { return false; }
void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect&) { }
RunLoop::Timer<LayerTreeHostProxy> m_animationTimer;
DrawingAreaProxy* m_drawingAreaProxy;
typedef HashMap<WebLayerID, WebCore::GraphicsLayer*> LayerMap;
IntRect m_visibleContentsRect;
float m_contentsScale;
MessageQueue<LayerTreeMessageToRenderer> m_messagesToRenderer;
void pushUpdateToQueue(PassOwnPtr<LayerTreeMessageToRenderer>);
#if USE(TEXTURE_MAPPER)
OwnPtr<TextureMapper> m_textureMapper;
#endif
#if PLATFORM(QT)
typedef HashMap<IntPoint, RefPtr<BitmapTexture> > TiledImage;
TextureMapperNode::NodeRectMap m_nodeVisualContentsRectMap;
HashMap<int, int> m_tileToNodeTile;
int remoteTileIDToNodeTileID(int tileID) const;
HashMap<int64_t, TiledImage> m_directlyCompositedImages;
void scheduleWebViewUpdate();
void synchronizeViewport();
void deleteLayer(WebLayerID);
void setRootLayerID(WebLayerID);
void syncLayerParameters(const WebLayerInfo&);
void createTile(WebLayerID, int, float scale);
void removeTile(WebLayerID, int);
void updateTile(WebLayerID, int, const IntRect&, const IntRect&, const QImage&);
void createImage(int64_t, const QImage&);
void destroyImage(int64_t);
void assignImageToLayer(WebCore::GraphicsLayer*, int64_t imageID);
void flushLayerChanges();
void ensureRootLayer();
void ensureLayer(WebLayerID);
#endif
OwnPtr<GraphicsLayer> m_rootLayer;
Vector<WebLayerID> m_layersToDelete;
#if PLATFORM(QT)
void didFireViewportUpdateTimer(Timer<LayerTreeHostProxy>*);
Timer<LayerTreeHostProxy> m_viewportUpdateTimer;
#endif
LayerMap m_layers;
WebLayerID m_rootLayerID;
int m_id;
};
}
#endif // LayerTreeHostProxy_h
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