DrawingAreaProxy.h [plain text]
#ifndef DrawingAreaProxy_h
#define DrawingAreaProxy_h
#include "BackingStore.h"
#include "DrawingAreaInfo.h"
#include "MessageReceiver.h"
#include <WebCore/FloatPoint.h>
#include <WebCore/IntRect.h>
#include <WebCore/IntSize.h>
#include <stdint.h>
#include <wtf/Noncopyable.h>
namespace WebKit {
class LayerTreeContext;
class CoordinatedLayerTreeHostProxy;
class UpdateInfo;
class WebPageProxy;
class DrawingAreaProxy : public CoreIPC::MessageReceiver {
WTF_MAKE_NONCOPYABLE(DrawingAreaProxy);
public:
virtual ~DrawingAreaProxy();
DrawingAreaType type() const { return m_type; }
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&, const WebCore::IntSize& scrollOffset);
static const double didUpdateBackingStoreStateTimeout;
virtual void pageCustomRepresentationChanged() { }
virtual void waitForPossibleGeometryUpdate(double = didUpdateBackingStoreStateTimeout) { }
virtual void colorSpaceDidChange() { }
virtual void minimumLayoutSizeDidChange() { }
#if USE(COORDINATED_GRAPHICS)
virtual void updateViewport();
virtual WebCore::IntRect viewportVisibleRect() const { return contentsRect(); }
virtual WebCore::IntRect contentsRect() const;
CoordinatedLayerTreeHostProxy* coordinatedLayerTreeHostProxy() const { return m_coordinatedLayerTreeHostProxy.get(); }
virtual void setVisibleContentsRect(const WebCore::FloatRect& , const WebCore::FloatPoint& ) { }
WebPageProxy* page() { return m_webPageProxy; }
#endif
protected:
explicit DrawingAreaProxy(DrawingAreaType, WebPageProxy*);
DrawingAreaType m_type;
WebPageProxy* m_webPageProxy;
WebCore::IntSize m_size;
WebCore::IntSize m_layerPosition;
WebCore::IntSize m_scrollOffset;
#if USE(COORDINATED_GRAPHICS)
OwnPtr<CoordinatedLayerTreeHostProxy> m_coordinatedLayerTreeHostProxy;
#endif
private:
virtual void sizeDidChange() = 0;
virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) OVERRIDE;
virtual void update(uint64_t , const UpdateInfo&) { }
virtual void didUpdateBackingStoreState(uint64_t , const UpdateInfo&, const LayerTreeContext&) { }
#if USE(ACCELERATED_COMPOSITING)
virtual void enterAcceleratedCompositingMode(uint64_t , const LayerTreeContext&) { }
virtual void exitAcceleratedCompositingMode(uint64_t , const UpdateInfo&) { }
virtual void updateAcceleratedCompositingMode(uint64_t , const LayerTreeContext&) { }
#endif
#if PLATFORM(MAC)
virtual void didUpdateGeometry() { }
virtual void intrinsicContentSizeDidChange(const WebCore::IntSize& newIntrinsicContentSize) { }
#endif
};
}
#endif // DrawingAreaProxy_h