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102 lines
3.8 KiB
C++
102 lines
3.8 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef LinkHighlight_h
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#define LinkHighlight_h
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#include "platform/geometry/FloatPoint.h"
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#include "platform/geometry/IntPoint.h"
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#include "platform/graphics/GraphicsLayer.h"
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#include "platform/graphics/Path.h"
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#include "public/platform/WebCompositorAnimationDelegate.h"
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#include "public/platform/WebContentLayer.h"
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#include "public/platform/WebContentLayerClient.h"
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#include "public/platform/WebLayer.h"
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#include "wtf/OwnPtr.h"
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#include "wtf/Vector.h"
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namespace blink {
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class RenderLayer;
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class RenderObject;
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class Node;
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struct WebFloatRect;
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struct WebRect;
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class WebViewImpl;
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class LinkHighlight FINAL : public WebContentLayerClient, public WebCompositorAnimationDelegate, blink::LinkHighlightClient {
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public:
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static PassOwnPtr<LinkHighlight> create(Node*, WebViewImpl*);
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virtual ~LinkHighlight();
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WebContentLayer* contentLayer();
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WebLayer* clipLayer();
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void startHighlightAnimationIfNeeded();
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void updateGeometry();
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// WebContentLayerClient implementation.
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virtual void paintContents(WebCanvas*, const WebRect& clipRect, bool canPaintLCDText, WebFloatRect& opaque,
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WebContentLayerClient::GraphicsContextStatus = GraphicsContextEnabled) OVERRIDE;
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// WebCompositorAnimationDelegate implementation.
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virtual void notifyAnimationStarted(double monotonicTime, blink::WebCompositorAnimation::TargetProperty) OVERRIDE;
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virtual void notifyAnimationFinished(double monotonicTime, blink::WebCompositorAnimation::TargetProperty) OVERRIDE;
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// LinkHighlightClient inplementation.
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virtual void invalidate() OVERRIDE;
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virtual WebLayer* layer() OVERRIDE;
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virtual void clearCurrentGraphicsLayer() OVERRIDE;
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GraphicsLayer* currentGraphicsLayerForTesting() const { return m_currentGraphicsLayer; }
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private:
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LinkHighlight(Node*, WebViewImpl*);
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void releaseResources();
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void computeQuads(RenderObject&, WTF::Vector<FloatQuad>&) const;
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RenderLayer* computeEnclosingCompositingLayer();
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void clearGraphicsLayerLinkHighlightPointer();
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// This function computes the highlight path, and returns true if it has changed
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// size since the last call to this function.
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bool computeHighlightLayerPathAndPosition(RenderLayer*);
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OwnPtr<WebContentLayer> m_contentLayer;
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OwnPtr<WebLayer> m_clipLayer;
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Path m_path;
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RefPtrWillBePersistent<Node> m_node;
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WebViewImpl* m_owningWebViewImpl;
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GraphicsLayer* m_currentGraphicsLayer;
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bool m_geometryNeedsUpdate;
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bool m_isAnimating;
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double m_startTime;
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};
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} // namespace blink
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#endif
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