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26 #ifndef LinkHighlight_h
27 #define LinkHighlight_h
29 #include "platform/geometry/FloatPoint.h"
30 #include "platform/geometry/IntPoint.h"
31 #include "platform/graphics/GraphicsLayer.h"
32 #include "platform/graphics/Path.h"
33 #include "public/platform/WebCompositorAnimationDelegate.h"
34 #include "public/platform/WebContentLayer.h"
35 #include "public/platform/WebContentLayerClient.h"
36 #include "public/platform/WebLayer.h"
37 #include "wtf/OwnPtr.h"
38 #include "wtf/Vector.h"
50 class LinkHighlight FINAL : public WebContentLayerClient, public WebCompositorAnimationDelegate, blink::LinkHighlightClient {
52 static PassOwnPtr<LinkHighlight> create(Node*, WebViewImpl*);
53 virtual ~LinkHighlight();
55 WebContentLayer* contentLayer();
56 WebLayer* clipLayer();
57 void startHighlightAnimationIfNeeded();
58 void updateGeometry();
60 // WebContentLayerClient implementation.
61 virtual void paintContents(WebCanvas*, const WebRect& clipRect, bool canPaintLCDText, WebContentLayerClient::GraphicsContextStatus) OVERRIDE;
63 // WebCompositorAnimationDelegate implementation.
64 virtual void notifyAnimationStarted(double monotonicTime, blink::WebCompositorAnimation::TargetProperty) OVERRIDE;
65 virtual void notifyAnimationFinished(double monotonicTime, blink::WebCompositorAnimation::TargetProperty) OVERRIDE;
67 // LinkHighlightClient inplementation.
68 virtual void invalidate() OVERRIDE;
69 virtual WebLayer* layer() OVERRIDE;
70 virtual void clearCurrentGraphicsLayer() OVERRIDE;
72 GraphicsLayer* currentGraphicsLayerForTesting() const { return m_currentGraphicsLayer; }
75 LinkHighlight(Node*, WebViewImpl*);
77 void releaseResources();
78 void computeQuads(RenderObject&, WTF::Vector<FloatQuad>&) const;
80 RenderLayer* computeEnclosingCompositingLayer();
81 void clearGraphicsLayerLinkHighlightPointer();
82 // This function computes the highlight path, and returns true if it has changed
83 // size since the last call to this function.
84 bool computeHighlightLayerPathAndPosition(RenderLayer*);
86 OwnPtr<WebContentLayer> m_contentLayer;
87 OwnPtr<WebLayer> m_clipLayer;
89 RefPtr<DisplayList> m_displayList;
91 RefPtrWillBePersistent<Node> m_node;
92 WebViewImpl* m_owningWebViewImpl;
93 GraphicsLayer* m_currentGraphicsLayer;
95 bool m_geometryNeedsUpdate;