CoordinatedLayerTreeHost.h [plain text]
#ifndef CoordinatedLayerTreeHost_h
#define CoordinatedLayerTreeHost_h
#if USE(COORDINATED_GRAPHICS)
#include "LayerTreeContext.h"
#include "LayerTreeHost.h"
#include "Timer.h"
#include <WebCore/CoordinatedGraphicsLayer.h>
#include <WebCore/CoordinatedGraphicsState.h>
#include <WebCore/CoordinatedImageBacking.h>
#include <WebCore/GraphicsLayerClient.h>
#include <WebCore/GraphicsLayerFactory.h>
#include <WebCore/UpdateAtlas.h>
#include <wtf/OwnPtr.h>
#if ENABLE(CSS_SHADERS)
#include "WebCustomFilterProgramProxy.h"
#endif
namespace WebCore {
class CoordinatedSurface;
}
namespace WebKit {
class WebPage;
class CoordinatedLayerTreeHost : public LayerTreeHost, WebCore::GraphicsLayerClient
, public WebCore::CoordinatedGraphicsLayerClient
, public WebCore::CoordinatedImageBacking::Client
, public WebCore::UpdateAtlas::Client
, public WebCore::GraphicsLayerFactory
#if ENABLE(CSS_SHADERS)
, WebCustomFilterProgramProxyClient
#endif
{
public:
static PassRefPtr<CoordinatedLayerTreeHost> create(WebPage*);
virtual ~CoordinatedLayerTreeHost();
virtual const LayerTreeContext& layerTreeContext() { return m_layerTreeContext; }
virtual void setLayerFlushSchedulingEnabled(bool);
virtual void scheduleLayerFlush();
virtual void setShouldNotifyAfterNextScheduledLayerFlush(bool);
virtual void setRootCompositingLayer(WebCore::GraphicsLayer*);
virtual void invalidate();
virtual void setNonCompositedContentsNeedDisplay() OVERRIDE { }
virtual void setNonCompositedContentsNeedDisplayInRect(const WebCore::IntRect&) OVERRIDE { }
virtual void scrollNonCompositedContents(const WebCore::IntRect&) OVERRIDE { }
virtual void forceRepaint();
virtual bool forceRepaintAsync(uint64_t callbackID);
virtual void sizeDidChange(const WebCore::IntSize& newSize);
virtual void didInstallPageOverlay(PageOverlay*);
virtual void didUninstallPageOverlay(PageOverlay*);
virtual void setPageOverlayNeedsDisplay(PageOverlay*, const WebCore::IntRect&);
virtual void setPageOverlayOpacity(PageOverlay*, float);
virtual bool pageOverlayShouldApplyFadeWhenPainting() const { return false; }
virtual void pauseRendering() { m_isSuspended = true; }
virtual void resumeRendering() { m_isSuspended = false; scheduleLayerFlush(); }
virtual void deviceOrPageScaleFactorChanged() OVERRIDE;
virtual void pageBackgroundTransparencyChanged() OVERRIDE;
virtual void renderNextFrame();
virtual void purgeBackingStores();
virtual void setVisibleContentsRect(const WebCore::FloatRect&, const WebCore::FloatPoint&);
virtual void didReceiveCoordinatedLayerTreeHostMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&);
virtual WebCore::GraphicsLayerFactory* graphicsLayerFactory() OVERRIDE;
WebCore::CoordinatedGraphicsLayer* mainContentsLayer();
#if ENABLE(REQUEST_ANIMATION_FRAME)
virtual void scheduleAnimation() OVERRIDE;
#endif
virtual void setBackgroundColor(const WebCore::Color&) OVERRIDE;
static PassRefPtr<WebCore::CoordinatedSurface> createCoordinatedSurface(const WebCore::IntSize&, WebCore::CoordinatedSurface::Flags);
void commitScrollOffset(uint32_t layerID, const WebCore::IntSize& offset);
protected:
explicit CoordinatedLayerTreeHost(WebPage*);
private:
virtual void notifyAnimationStarted(const WebCore::GraphicsLayer*, double time);
virtual void notifyFlushRequired(const WebCore::GraphicsLayer*);
virtual void paintContents(const WebCore::GraphicsLayer*, WebCore::GraphicsContext&, WebCore::GraphicsLayerPaintingPhase, const WebCore::IntRect& clipRect);
virtual float deviceScaleFactor() const OVERRIDE;
virtual float pageScaleFactor() const OVERRIDE;
virtual void createImageBacking(WebCore::CoordinatedImageBackingID) OVERRIDE;
virtual void updateImageBacking(WebCore::CoordinatedImageBackingID, PassRefPtr<WebCore::CoordinatedSurface>) OVERRIDE;
virtual void clearImageBackingContents(WebCore::CoordinatedImageBackingID) OVERRIDE;
virtual void removeImageBacking(WebCore::CoordinatedImageBackingID) OVERRIDE;
void flushPendingImageBackingChanges();
virtual bool isFlushingLayerChanges() const OVERRIDE { return m_isFlushingLayerChanges; }
virtual WebCore::FloatRect visibleContentsRect() const;
virtual PassRefPtr<WebCore::CoordinatedImageBacking> createImageBackingIfNeeded(WebCore::Image*) OVERRIDE;
virtual void detachLayer(WebCore::CoordinatedGraphicsLayer*);
virtual bool paintToSurface(const WebCore::IntSize&, WebCore::CoordinatedSurface::Flags, uint32_t& , WebCore::IntPoint&, WebCore::CoordinatedSurface::Client*) OVERRIDE;
virtual void syncLayerState(WebCore::CoordinatedLayerID, WebCore::CoordinatedGraphicsLayerState&);
virtual void createUpdateAtlas(uint32_t atlasID, PassRefPtr<WebCore::CoordinatedSurface>) OVERRIDE;
virtual void removeUpdateAtlas(uint32_t atlasID) OVERRIDE;
virtual PassOwnPtr<WebCore::GraphicsLayer> createGraphicsLayer(WebCore::GraphicsLayerClient*) OVERRIDE;
void initializeRootCompositingLayerIfNeeded();
void createPageOverlayLayer();
void destroyPageOverlayLayer();
bool flushPendingLayerChanges();
void clearPendingStateChanges();
void cancelPendingLayerFlush();
void performScheduledLayerFlush();
void didPerformScheduledLayerFlush();
void syncDisplayState();
void layerFlushTimerFired(WebCore::Timer<CoordinatedLayerTreeHost>*);
void scheduleReleaseInactiveAtlases();
void releaseInactiveAtlasesTimerFired(WebCore::Timer<CoordinatedLayerTreeHost>*);
#if ENABLE(CSS_SHADERS)
void prepareCustomFilterProxiesIfNeeded(WebCore::CoordinatedGraphicsLayerState&);
void removeCustomFilterProgramProxy(WebCustomFilterProgramProxy*);
void checkCustomFilterProgramProxies(const WebCore::FilterOperations&);
void disconnectCustomFilterPrograms();
#endif
OwnPtr<WebCore::GraphicsLayer> m_rootLayer;
WebCore::GraphicsLayer* m_rootCompositingLayer;
OwnPtr<WebCore::GraphicsLayer> m_pageOverlayLayer;
RefPtr<PageOverlay> m_pageOverlay;
WebCore::CoordinatedGraphicsState m_state;
typedef HashMap<WebCore::CoordinatedLayerID, WebCore::CoordinatedGraphicsLayer*> LayerMap;
LayerMap m_registeredLayers;
typedef HashMap<WebCore::CoordinatedImageBackingID, RefPtr<WebCore::CoordinatedImageBacking> > ImageBackingMap;
ImageBackingMap m_imageBackings;
Vector<OwnPtr<WebCore::UpdateAtlas> > m_updateAtlases;
#if ENABLE(CSS_SHADERS)
HashSet<WebCustomFilterProgramProxy*> m_customFilterPrograms;
#endif
bool m_notifyAfterScheduledLayerFlush;
bool m_isValid;
bool m_isPurging;
bool m_isFlushingLayerChanges;
bool m_waitingForUIProcess;
bool m_isSuspended;
WebCore::FloatRect m_visibleContentsRect;
LayerTreeContext m_layerTreeContext;
bool m_shouldSyncFrame;
bool m_didInitializeRootCompositingLayer;
WebCore::Timer<CoordinatedLayerTreeHost> m_layerFlushTimer;
WebCore::Timer<CoordinatedLayerTreeHost> m_releaseInactiveAtlasesTimer;
bool m_layerFlushSchedulingEnabled;
uint64_t m_forceRepaintAsyncCallbackID;
bool m_animationsLocked;
#if ENABLE(REQUEST_ANIMATION_FRAME)
double m_lastAnimationServiceTime;
#endif
};
}
#endif // USE(COORDINATED_GRAPHICS)
#endif // CoordinatedLayerTreeHost_h