#ifndef LayerTreeHost_h
#define LayerTreeHost_h
#include "LayerTreeContext.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
namespace CoreIPC {
class ArgumentDecoder;
class Connection;
class MessageID;
}
namespace WebCore {
class FloatPoint;
class IntRect;
class IntSize;
class GraphicsLayer;
#if PLATFORM(WIN) && USE(AVFOUNDATION)
struct GraphicsDeviceAdapter;
#endif
}
namespace WebKit {
class UpdateInfo;
class WebPage;
#if PLATFORM(WIN)
struct WindowGeometry;
#endif
class LayerTreeHost : public RefCounted<LayerTreeHost> {
public:
static PassRefPtr<LayerTreeHost> create(WebPage*);
virtual ~LayerTreeHost();
static bool supportsAcceleratedCompositing();
virtual const LayerTreeContext& layerTreeContext() = 0;
virtual void scheduleLayerFlush() = 0;
virtual void setLayerFlushSchedulingEnabled(bool) = 0;
virtual void setShouldNotifyAfterNextScheduledLayerFlush(bool) = 0;
virtual void setRootCompositingLayer(WebCore::GraphicsLayer*) = 0;
virtual void invalidate() = 0;
virtual void setNonCompositedContentsNeedDisplay(const WebCore::IntRect&) = 0;
virtual void scrollNonCompositedContents(const WebCore::IntRect& scrollRect, const WebCore::IntSize& scrollOffset) = 0;
virtual void forceRepaint() = 0;
virtual void sizeDidChange(const WebCore::IntSize& newSize) = 0;
virtual void deviceScaleFactorDidChange() = 0;
virtual void didInstallPageOverlay() = 0;
virtual void didUninstallPageOverlay() = 0;
virtual void setPageOverlayNeedsDisplay(const WebCore::IntRect&) = 0;
virtual void setPageOverlayOpacity(float) { }
virtual bool pageOverlayShouldApplyFadeWhenPainting() const { return true; }
virtual void pauseRendering() { }
virtual void resumeRendering() { }
#if USE(UI_SIDE_COMPOSITING)
virtual void setVisibleContentsRect(const WebCore::IntRect&, float scale, const WebCore::FloatPoint&) { }
virtual void setVisibleContentsRectForLayer(int layerID, const WebCore::IntRect&) { }
virtual void renderNextFrame() { }
virtual void purgeBackingStores() { }
virtual void didReceiveLayerTreeHostMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
#endif
#if PLATFORM(WIN)
virtual void scheduleChildWindowGeometryUpdate(const WindowGeometry&) = 0;
#endif
#if PLATFORM(MAC)
virtual void setLayerHostingMode(LayerHostingMode) { }
#endif
#if PLATFORM(WIN) && USE(AVFOUNDATION)
virtual WebCore::GraphicsDeviceAdapter* graphicsDeviceAdapter() const { return 0; }
#endif
protected:
explicit LayerTreeHost(WebPage*);
WebPage* m_webPage;
#if USE(UI_SIDE_COMPOSITING)
bool m_waitingForUIProcess;
#endif
};
#if !PLATFORM(WIN) && !PLATFORM(QT)
inline bool LayerTreeHost::supportsAcceleratedCompositing()
{
return true;
}
#endif
}
#endif // LayerTreeHost_h