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| 1 /* | |
| 2 * Copyright (C) 2012 Adobe Systems Incorporated. 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 | |
| 6 * are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above | |
| 9 * copyright notice, this list of conditions and the following | |
| 10 * disclaimer. | |
| 11 * 2. Redistributions in binary form must reproduce the above | |
| 12 * copyright notice, this list of conditions and the following | |
| 13 * disclaimer in the documentation and/or other materials | |
| 14 * provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY | |
| 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, | |
| 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
| 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | |
| 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 27 * SUCH DAMAGE. | |
| 28 */ | |
| 29 | |
| 30 #ifndef ShapeInsideInfo_h | |
| 31 #define ShapeInsideInfo_h | |
| 32 | |
| 33 #include "core/rendering/shapes/ShapeInfo.h" | |
| 34 #include "wtf/PassOwnPtr.h" | |
| 35 #include "wtf/Vector.h" | |
| 36 | |
| 37 namespace WebCore { | |
| 38 | |
| 39 class InlineIterator; | |
| 40 class RenderBlock; | |
| 41 class RenderObject; | |
| 42 | |
| 43 struct LineSegmentIterator { | |
| 44 RenderObject* root; | |
| 45 RenderObject* object; | |
| 46 unsigned offset; | |
| 47 LineSegmentIterator(RenderObject* root, RenderObject* object, unsigned offse
t) | |
| 48 : root(root) | |
| 49 , object(object) | |
| 50 , offset(offset) | |
| 51 { | |
| 52 } | |
| 53 }; | |
| 54 | |
| 55 struct LineSegmentRange { | |
| 56 LineSegmentIterator start; | |
| 57 LineSegmentIterator end; | |
| 58 LineSegmentRange(const InlineIterator& start, const InlineIterator& end); | |
| 59 }; | |
| 60 | |
| 61 typedef Vector<LineSegmentRange> SegmentRangeList; | |
| 62 | |
| 63 class ShapeInsideInfo FINAL : public ShapeInfo<RenderBlock> { | |
| 64 public: | |
| 65 static PassOwnPtr<ShapeInsideInfo> createInfo(const RenderBlock& renderer) {
return adoptPtr(new ShapeInsideInfo(renderer)); } | |
| 66 static bool isEnabledFor(const RenderBlock& renderer); | |
| 67 | |
| 68 bool updateSegmentsForLine(LayoutSize lineOffset, LayoutUnit lineHeight); | |
| 69 bool updateSegmentsForLine(LayoutUnit lineTop, LayoutUnit lineHeight); | |
| 70 | |
| 71 bool hasSegments() const | |
| 72 { | |
| 73 return lineOverlapsShapeBounds() && m_segments.size(); | |
| 74 } | |
| 75 const SegmentList& segments() const | |
| 76 { | |
| 77 ASSERT(hasSegments()); | |
| 78 return m_segments; | |
| 79 } | |
| 80 SegmentRangeList& segmentRanges() { return m_segmentRanges; } | |
| 81 const SegmentRangeList& segmentRanges() const { return m_segmentRanges; } | |
| 82 const LineSegment* currentSegment() const | |
| 83 { | |
| 84 if (!hasSegments()) | |
| 85 return 0; | |
| 86 ASSERT(m_segmentRanges.size() < m_segments.size()); | |
| 87 return &m_segments[m_segmentRanges.size()]; | |
| 88 } | |
| 89 void clearSegments() { m_segments.clear(); } | |
| 90 bool adjustLogicalLineTop(float minSegmentWidth); | |
| 91 LayoutUnit computeFirstFitPositionForFloat(const FloatSize&) const; | |
| 92 | |
| 93 void setNeedsLayout(bool value) { m_needsLayout = value; } | |
| 94 bool needsLayout() { return m_needsLayout; } | |
| 95 | |
| 96 virtual bool lineOverlapsShapeBounds() const OVERRIDE | |
| 97 { | |
| 98 return computedShape().lineOverlapsShapePaddingBounds(m_referenceBoxLine
Top, m_lineHeight); | |
| 99 } | |
| 100 | |
| 101 protected: | |
| 102 virtual LayoutBox referenceBox() const OVERRIDE | |
| 103 { | |
| 104 if (shapeValue()->layoutBox() == BoxMissing) | |
| 105 return ContentBox; | |
| 106 return shapeValue()->layoutBox(); | |
| 107 } | |
| 108 virtual LayoutRect computedShapeLogicalBoundingBox() const OVERRIDE { return
computedShape().shapePaddingLogicalBoundingBox(); } | |
| 109 virtual ShapeValue* shapeValue() const OVERRIDE; | |
| 110 virtual void getIntervals(LayoutUnit lineTop, LayoutUnit lineHeight, Segment
List& segments) const OVERRIDE | |
| 111 { | |
| 112 return computedShape().getIncludedIntervals(lineTop, lineHeight, segment
s); | |
| 113 } | |
| 114 | |
| 115 virtual const RenderStyle* styleForWritingMode() const OVERRIDE; | |
| 116 | |
| 117 private: | |
| 118 ShapeInsideInfo(const RenderBlock& renderer) | |
| 119 : ShapeInfo<RenderBlock> (renderer) | |
| 120 , m_needsLayout(false) | |
| 121 { } | |
| 122 | |
| 123 SegmentRangeList m_segmentRanges; | |
| 124 bool m_needsLayout; | |
| 125 SegmentList m_segments; | |
| 126 }; | |
| 127 | |
| 128 } | |
| 129 #endif | |
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Chromium Code Reviews
Issue 209443007:
Remove shape-inside support (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master