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/*
Copyright (C) 2010 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 CoordinatedGraphicsLayer_h
#define CoordinatedGraphicsLayer_h
#include "CoordinatedImageBacking.h"
#include "CoordinatedTile.h"
#include "FloatPoint3D.h"
#include "GraphicsLayer.h"
#include "GraphicsLayerAnimation.h"
#include "GraphicsLayerTransform.h"
#include "Image.h"
#include "IntSize.h"
#include "ShareableBitmap.h"
#include "TiledBackingStore.h"
#include "TiledBackingStoreClient.h"
#include "TransformationMatrix.h"
#include "UpdateInfo.h"
#include "WebLayerTreeInfo.h"
#include "WebProcess.h"
#if USE(GRAPHICS_SURFACE)
#include <WebCore/GraphicsSurfaceToken.h>
#endif
#include <WebCore/RunLoop.h>
#include <wtf/text/StringHash.h>
#if USE(COORDINATED_GRAPHICS)
namespace WebCore {
class CoordinatedGraphicsLayer;
class GraphicsLayerAnimations;
}
namespace WebKit {
class CoordinatedGraphicsLayerClient {
public:
// CoordinatedTileClient
virtual void createTile(WebLayerID, int tileID, const SurfaceUpdateInfo&, const WebCore::IntRect&) = 0;
virtual void updateTile(WebLayerID, int tileID, const SurfaceUpdateInfo&, const WebCore::IntRect&) = 0;
virtual void removeTile(WebLayerID, int tileID) = 0;
virtual WebCore::IntRect visibleContentsRect() const = 0;
virtual bool layerTreeTileUpdatesAllowed() const = 0;
virtual PassRefPtr<CoordinatedImageBacking> createImageBackingIfNeeded(WebCore::Image*) = 0;
virtual void syncLayerState(WebLayerID, const WebLayerInfo&) = 0;
virtual void syncLayerChildren(WebLayerID, const Vector<WebLayerID>&) = 0;
#if ENABLE(CSS_FILTERS)
virtual void syncLayerFilters(WebLayerID, const WebCore::FilterOperations&) = 0;
#endif
#if USE(GRAPHICS_SURFACE)
virtual void createCanvas(WebLayerID, WebCore::PlatformLayer*) = 0;
virtual void syncCanvas(WebLayerID, WebCore::PlatformLayer*) = 0;
virtual void destroyCanvas(WebLayerID) = 0;
#endif
virtual void setLayerAnimations(WebLayerID, const WebCore::GraphicsLayerAnimations&) = 0;
virtual void detachLayer(WebCore::CoordinatedGraphicsLayer*) = 0;
virtual void syncFixedLayers() = 0;
virtual PassOwnPtr<WebCore::GraphicsContext> beginContentUpdate(const WebCore::IntSize&, ShareableBitmap::Flags, int& atlasID, WebCore::IntPoint&) = 0;
};
}
namespace WebCore {
class CoordinatedGraphicsLayer : public GraphicsLayer
, public TiledBackingStoreClient
, public WebKit::CoordinatedImageBacking::Host
, public WebKit::CoordinatedTileClient {
public:
explicit CoordinatedGraphicsLayer(GraphicsLayerClient*);
virtual ~CoordinatedGraphicsLayer();
// Reimplementations from GraphicsLayer.h.
virtual bool setChildren(const Vector<GraphicsLayer*>&) OVERRIDE;
virtual void addChild(GraphicsLayer*) OVERRIDE;
virtual void addChildAtIndex(GraphicsLayer*, int) OVERRIDE;
virtual void addChildAbove(GraphicsLayer*, GraphicsLayer*) OVERRIDE;
virtual void addChildBelow(GraphicsLayer*, GraphicsLayer*) OVERRIDE;
virtual bool replaceChild(GraphicsLayer*, GraphicsLayer*) OVERRIDE;
virtual void removeFromParent() OVERRIDE;
virtual void setPosition(const FloatPoint&) OVERRIDE;
virtual void setAnchorPoint(const FloatPoint3D&) OVERRIDE;
virtual void setSize(const FloatSize&) OVERRIDE;
virtual void setTransform(const TransformationMatrix&) OVERRIDE;
virtual void setChildrenTransform(const TransformationMatrix&) OVERRIDE;
virtual void setPreserves3D(bool) OVERRIDE;
virtual void setMasksToBounds(bool) OVERRIDE;
virtual void setDrawsContent(bool) OVERRIDE;
virtual void setContentsVisible(bool) OVERRIDE;
virtual void setContentsOpaque(bool) OVERRIDE;
virtual void setBackfaceVisibility(bool) OVERRIDE;
virtual void setOpacity(float) OVERRIDE;
virtual void setContentsRect(const IntRect&) OVERRIDE;
virtual void setContentsToImage(Image*) OVERRIDE;
virtual bool shouldDirectlyCompositeImage(Image*) const OVERRIDE;
virtual void setContentsToCanvas(PlatformLayer*) OVERRIDE;
virtual void setMaskLayer(GraphicsLayer*) OVERRIDE;
virtual void setReplicatedByLayer(GraphicsLayer*) OVERRIDE;
virtual void setNeedsDisplay() OVERRIDE;
virtual void setNeedsDisplayInRect(const FloatRect&) OVERRIDE;
virtual void setContentsNeedsDisplay() OVERRIDE;
virtual void flushCompositingState(const FloatRect&) OVERRIDE;
virtual void flushCompositingStateForThisLayerOnly() OVERRIDE;
#if ENABLE(CSS_FILTERS)
virtual bool setFilters(const FilterOperations&) OVERRIDE;
#endif
virtual bool addAnimation(const KeyframeValueList&, const IntSize&, const Animation*, const String&, double) OVERRIDE;
virtual void pauseAnimation(const String&, double) OVERRIDE;
virtual void removeAnimation(const String&) OVERRIDE;
virtual void suspendAnimations(double time) OVERRIDE;
virtual void resumeAnimations() OVERRIDE;
void setContentsScale(float);
void setVisibleContentRectTrajectoryVector(const FloatPoint&);
void setRootLayer(bool);
WebKit::WebLayerID id() const;
void setFixedToViewport(bool isFixed) { m_fixedToViewport = isFixed; }
IntRect coverRect() const { return m_mainBackingStore ? m_mainBackingStore->mapToContents(m_mainBackingStore->coverRect()) : IntRect(); }
static void initFactory();
// TiledBackingStoreClient
virtual void tiledBackingStorePaintBegin() OVERRIDE;
virtual void tiledBackingStorePaint(GraphicsContext*, const IntRect&) OVERRIDE;
virtual void tiledBackingStorePaintEnd(const Vector<IntRect>& paintedArea) OVERRIDE;
virtual bool tiledBackingStoreUpdatesAllowed() const OVERRIDE;
virtual IntRect tiledBackingStoreContentsRect() OVERRIDE;
virtual IntRect tiledBackingStoreVisibleRect() OVERRIDE;
virtual Color tiledBackingStoreBackgroundColor() const OVERRIDE;
// CoordinatedTileClient
virtual void createTile(int tileID, const WebKit::SurfaceUpdateInfo&, const IntRect&) OVERRIDE;
virtual void updateTile(int tileID, const WebKit::SurfaceUpdateInfo&, const IntRect&) OVERRIDE;
virtual void removeTile(int tileID) OVERRIDE;
virtual PassOwnPtr<GraphicsContext> beginContentUpdate(const IntSize&, int& atlasID, IntPoint&) OVERRIDE;
void setCoordinator(WebKit::CoordinatedGraphicsLayerClient*);
void adjustVisibleRect();
void purgeBackingStores();
bool hasPendingVisibleChanges();
private:
bool fixedToViewport() const { return m_fixedToViewport; }
void didChangeLayerState();
void didChangeAnimations();
void didChangeGeometry();
void didChangeChildren();
#if ENABLE(CSS_FILTERS)
void didChangeFilters();
#endif
void didChangeImageBacking();
void syncLayerState();
void syncAnimations();
void syncChildren();
#if ENABLE(CSS_FILTERS)
void syncFilters();
#endif
void syncImageBacking();
void syncCanvas();
void computeTransformedVisibleRect();
void updateContentBuffers();
void createBackingStore();
void releaseImageBackingIfNeeded();
// CoordinatedImageBacking::Host
virtual bool imageBackingVisible() OVERRIDE;
void destroyCanvasIfNeeded();
void createCanvasIfNeeded();
bool selfOrAncestorHasActiveTransformAnimation() const;
bool selfOrAncestorHaveNonAffineTransforms();
void adjustContentsScale();
void setShouldUpdateVisibleRect();
float effectiveContentsScale();
void animationStartedTimerFired(Timer<CoordinatedGraphicsLayer>*);
WebKit::WebLayerID m_id;
WebKit::WebLayerInfo m_layerInfo;
GraphicsLayerTransform m_layerTransform;
TransformationMatrix m_cachedInverseTransform;
bool m_inUpdateMode : 1;
bool m_shouldUpdateVisibleRect: 1;
bool m_shouldSyncLayerState: 1;
bool m_shouldSyncChildren: 1;
bool m_shouldSyncFilters: 1;
bool m_shouldSyncImageBacking: 1;
bool m_shouldSyncAnimations: 1;
bool m_fixedToViewport : 1;
bool m_canvasNeedsDisplay : 1;
bool m_canvasNeedsCreate : 1;
bool m_canvasNeedsDestroy : 1;
WebKit::CoordinatedGraphicsLayerClient* m_coordinator;
OwnPtr<TiledBackingStore> m_mainBackingStore;
OwnPtr<TiledBackingStore> m_previousBackingStore;
float m_contentsScale;
RefPtr<Image> m_compositedImage;
NativeImagePtr m_compositedNativeImagePtr;
RefPtr<WebKit::CoordinatedImageBacking> m_coordinatedImageBacking;
PlatformLayer* m_canvasPlatformLayer;
#if USE(GRAPHICS_SURFACE)
GraphicsSurfaceToken m_canvasToken;
#endif
Timer<CoordinatedGraphicsLayer> m_animationStartedTimer;
GraphicsLayerAnimations m_animations;
double m_lastAnimationStartTime;
};
CoordinatedGraphicsLayer* toCoordinatedGraphicsLayer(GraphicsLayer*);
}
#endif
#endif // CoordinatedGraphicsLayer_H
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