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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"
49 class LinkHighlight FINAL : public WebContentLayerClient, public WebCompositorAnimationDelegate, blink::LinkHighlightClient {
51 static PassOwnPtr<LinkHighlight> create(Node*, WebViewImpl*);
52 virtual ~LinkHighlight();
54 WebContentLayer* contentLayer();
55 WebLayer* clipLayer();
56 void startHighlightAnimationIfNeeded();
57 void updateGeometry();
59 // WebContentLayerClient implementation.
60 virtual void paintContents(WebCanvas*, const WebRect& clipRect, bool canPaintLCDText, WebContentLayerClient::GraphicsContextStatus) OVERRIDE;
62 // WebCompositorAnimationDelegate implementation.
63 virtual void notifyAnimationStarted(double monotonicTime, blink::WebCompositorAnimation::TargetProperty) OVERRIDE;
64 virtual void notifyAnimationFinished(double monotonicTime, blink::WebCompositorAnimation::TargetProperty) OVERRIDE;
66 // LinkHighlightClient inplementation.
67 virtual void invalidate() OVERRIDE;
68 virtual WebLayer* layer() OVERRIDE;
69 virtual void clearCurrentGraphicsLayer() OVERRIDE;
71 GraphicsLayer* currentGraphicsLayerForTesting() const { return m_currentGraphicsLayer; }
74 LinkHighlight(Node*, WebViewImpl*);
76 void releaseResources();
77 void computeQuads(RenderObject&, WTF::Vector<FloatQuad>&) const;
79 RenderLayer* computeEnclosingCompositingLayer();
80 void clearGraphicsLayerLinkHighlightPointer();
81 // This function computes the highlight path, and returns true if it has changed
82 // size since the last call to this function.
83 bool computeHighlightLayerPathAndPosition(RenderLayer*);
85 OwnPtr<WebContentLayer> m_contentLayer;
86 OwnPtr<WebLayer> m_clipLayer;
89 RefPtrWillBePersistent<Node> m_node;
90 WebViewImpl* m_owningWebViewImpl;
91 GraphicsLayer* m_currentGraphicsLayer;
93 bool m_geometryNeedsUpdate;