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