DrawingAreaProxy.h [plain text]
#ifndef DrawingAreaProxy_h
#define DrawingAreaProxy_h
#include "BackingStore.h"
#include "DrawingAreaInfo.h"
#include <WebCore/FloatPoint.h>
#include <WebCore/IntRect.h>
#include <WebCore/IntSize.h>
#include <stdint.h>
#include <wtf/Noncopyable.h>
#if PLATFORM(QT)
class QPainter;
#elif PLATFORM(GTK)
typedef struct _cairo cairo_t;
#endif
namespace CoreIPC {
class ArgumentDecoder;
class Connection;
class MessageID;
}
namespace WebCore {
class TransformationMatrix;
}
namespace WebKit {
class LayerTreeContext;
class LayerTreeHostProxy;
class UpdateInfo;
class WebLayerTreeInfo;
class WebLayerUpdateInfo;
class WebPageProxy;
class DrawingAreaProxy {
WTF_MAKE_NONCOPYABLE(DrawingAreaProxy);
public:
virtual ~DrawingAreaProxy();
DrawingAreaType type() const { return m_type; }
void didReceiveDrawingAreaProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
virtual void deviceScaleFactorDidChange() = 0;
virtual void visibilityDidChange() { }
virtual void layerHostingModeDidChange() { }
virtual void setBackingStoreIsDiscardable(bool) { }
virtual void waitForBackingStoreUpdateOnNextPaint() { }
const WebCore::IntSize& size() const { return m_size; }
void setSize(const WebCore::IntSize&, const WebCore::IntSize& scrollOffset);
virtual void pageCustomRepresentationChanged() { }
virtual void waitForPossibleGeometryUpdate() { }
#if USE(UI_SIDE_COMPOSITING)
virtual void updateViewport();
virtual WebCore::IntRect viewportVisibleRect() const { return contentsRect(); }
virtual WebCore::IntRect contentsRect() const;
virtual bool isBackingStoreReady() const { return true; }
LayerTreeHostProxy* layerTreeHostProxy() const { return m_layerTreeHostProxy.get(); }
virtual void setVisibleContentsRect(const WebCore::IntRect& visibleContentsRect, float scale, const WebCore::FloatPoint& trajectoryVector, const WebCore::FloatPoint& accurateVisibleContentsPosition = WebCore::FloatPoint()) { }
virtual void createTileForLayer(int layerID, int tileID, const WebKit::UpdateInfo&) { }
virtual void updateTileForLayer(int layerID, int tileID, const WebKit::UpdateInfo&) { }
virtual void removeTileForLayer(int layerID, int tileID) { }
virtual void didReceiveLayerTreeHostProxyMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
WebPageProxy* page() { return m_webPageProxy; }
#endif
protected:
explicit DrawingAreaProxy(DrawingAreaType, WebPageProxy*);
DrawingAreaType m_type;
WebPageProxy* m_webPageProxy;
WebCore::IntSize m_size;
WebCore::IntSize m_scrollOffset;
#if USE(UI_SIDE_COMPOSITING)
OwnPtr<LayerTreeHostProxy> m_layerTreeHostProxy;
#endif
private:
virtual void sizeDidChange() = 0;
virtual void update(uint64_t backingStoreStateID, const UpdateInfo&) { }
virtual void didUpdateBackingStoreState(uint64_t backingStoreStateID, const UpdateInfo&, const LayerTreeContext&) { }
#if USE(ACCELERATED_COMPOSITING)
virtual void enterAcceleratedCompositingMode(uint64_t backingStoreStateID, const LayerTreeContext&) { }
virtual void exitAcceleratedCompositingMode(uint64_t backingStoreStateID, const UpdateInfo&) { }
virtual void updateAcceleratedCompositingMode(uint64_t backingStoreStateID, const LayerTreeContext&) { }
#endif
#if PLATFORM(MAC)
virtual void didUpdateGeometry() { }
#endif
};
}
#endif // DrawingAreaProxy_h