1 /* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Neither the name of Google Inc. nor the names of its 11 * contributors may be used to endorse or promote products derived from 12 * this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef RenderedDocumentMarker_h 28 #define RenderedDocumentMarker_h 29 30 #include "core/dom/DocumentMarker.h" 31 32 namespace WebCore { 33 34 class RenderedDocumentMarker : public DocumentMarker { 35 public: 36 37 explicit RenderedDocumentMarker(const DocumentMarker& marker) 38 : DocumentMarker(marker), m_renderedRect(invalidMarkerRect()) 39 { 40 } 41 42 bool isRendered() const { return invalidMarkerRect() != m_renderedRect; } 43 bool contains(const LayoutPoint& point) const { return isRendered() && m_renderedRect.contains(point); } 44 void setRenderedRect(const LayoutRect& r) { m_renderedRect = r; } 45 const LayoutRect& renderedRect() const { return m_renderedRect; } 46 void invalidate(const LayoutRect&); 47 void invalidate() { m_renderedRect = invalidMarkerRect(); } 48 49 private: 50 static const LayoutRect& invalidMarkerRect() 51 { 52 static const LayoutRect rect = LayoutRect(-1, -1, -1, -1); 53 return rect; 54 } 55 56 LayoutRect m_renderedRect; 57 }; 58 59 inline void RenderedDocumentMarker::invalidate(const LayoutRect& r) 60 { 61 if (m_renderedRect.intersects(r)) 62 invalidate(); 63 } 64 65 inline RenderedDocumentMarker* toRenderedDocumentMarker(DocumentMarker* marker) 66 { 67 return static_cast<RenderedDocumentMarker*>(marker); 68 } 69 70 } // namespace 71 72 #endif 73