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Side by Side Diff: Source/core/layout/line/RootInlineBox.h

Issue 1231363003: Fix virtual/override/final usage in Source/core/layout/. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved. 2 * Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved.
3 * 3 *
4 * This library is free software; you can redistribute it and/or 4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public 5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either 6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version. 7 * version 2 of the License, or (at your option) any later version.
8 * 8 *
9 * This library is distributed in the hope that it will be useful, 9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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30 class HitTestResult; 30 class HitTestResult;
31 class LayoutBlockFlow; 31 class LayoutBlockFlow;
32 32
33 struct BidiStatus; 33 struct BidiStatus;
34 struct GapRects; 34 struct GapRects;
35 35
36 class RootInlineBox : public InlineFlowBox { 36 class RootInlineBox : public InlineFlowBox {
37 public: 37 public:
38 explicit RootInlineBox(LayoutBlockFlow&); 38 explicit RootInlineBox(LayoutBlockFlow&);
39 39
40 virtual void destroy() override final; 40 void destroy() final;
41 41
42 virtual bool isRootInlineBox() const override final { return true; } 42 bool isRootInlineBox() const final { return true; }
43 43
44 void detachEllipsisBox(); 44 void detachEllipsisBox();
45 45
46 RootInlineBox* nextRootBox() const { return static_cast<RootInlineBox*>(m_ne xtLineBox); } 46 RootInlineBox* nextRootBox() const { return static_cast<RootInlineBox*>(m_ne xtLineBox); }
47 RootInlineBox* prevRootBox() const { return static_cast<RootInlineBox*>(m_pr evLineBox); } 47 RootInlineBox* prevRootBox() const { return static_cast<RootInlineBox*>(m_pr evLineBox); }
48 48
49 virtual void move(const LayoutSize&) override final; 49 void move(const LayoutSize&) final;
50 50
51 LayoutUnit lineTop() const { return m_lineTop; } 51 LayoutUnit lineTop() const { return m_lineTop; }
52 LayoutUnit lineBottom() const { return m_lineBottom; } 52 LayoutUnit lineBottom() const { return m_lineBottom; }
53 53
54 LayoutUnit lineTopWithLeading() const { return m_lineTopWithLeading; } 54 LayoutUnit lineTopWithLeading() const { return m_lineTopWithLeading; }
55 LayoutUnit lineBottomWithLeading() const { return m_lineBottomWithLeading; } 55 LayoutUnit lineBottomWithLeading() const { return m_lineBottomWithLeading; }
56 56
57 LayoutUnit paginationStrut() const { return m_paginationStrut; } 57 LayoutUnit paginationStrut() const { return m_paginationStrut; }
58 void setPaginationStrut(LayoutUnit strut) { m_paginationStrut = strut; } 58 void setPaginationStrut(LayoutUnit strut) { m_paginationStrut = strut; }
59 59
60 LayoutUnit selectionTop() const; 60 LayoutUnit selectionTop() const;
61 LayoutUnit selectionBottom() const; 61 LayoutUnit selectionBottom() const;
62 LayoutUnit selectionHeight() const { return max<LayoutUnit>(0, selectionBott om() - selectionTop()); } 62 LayoutUnit selectionHeight() const { return max<LayoutUnit>(0, selectionBott om() - selectionTop()); }
63 63
64 LayoutUnit selectionTopAdjustedForPrecedingBlock() const; 64 LayoutUnit selectionTopAdjustedForPrecedingBlock() const;
65 LayoutUnit selectionHeightAdjustedForPrecedingBlock() const { return max<Lay outUnit>(0, selectionBottom() - selectionTopAdjustedForPrecedingBlock()); } 65 LayoutUnit selectionHeightAdjustedForPrecedingBlock() const { return max<Lay outUnit>(0, selectionBottom() - selectionTopAdjustedForPrecedingBlock()); }
66 66
67 LayoutUnit blockDirectionPointInLine() const; 67 LayoutUnit blockDirectionPointInLine() const;
68 68
69 LayoutUnit alignBoxesInBlockDirection(LayoutUnit heightOfBlock, GlyphOverflo wAndFallbackFontsMap&, VerticalPositionCache&); 69 LayoutUnit alignBoxesInBlockDirection(LayoutUnit heightOfBlock, GlyphOverflo wAndFallbackFontsMap&, VerticalPositionCache&);
70 void setLineTopBottomPositions(LayoutUnit top, LayoutUnit bottom, LayoutUnit topWithLeading, LayoutUnit bottomWithLeading, LayoutUnit selectionBottom = Layo utUnit::min()) 70 void setLineTopBottomPositions(LayoutUnit top, LayoutUnit bottom, LayoutUnit topWithLeading, LayoutUnit bottomWithLeading, LayoutUnit selectionBottom = Layo utUnit::min())
71 { 71 {
72 m_lineTop = top; 72 m_lineTop = top;
73 m_lineBottom = bottom; 73 m_lineBottom = bottom;
74 m_lineTopWithLeading = topWithLeading; 74 m_lineTopWithLeading = topWithLeading;
75 m_lineBottomWithLeading = bottomWithLeading; 75 m_lineBottomWithLeading = bottomWithLeading;
76 m_selectionBottom = selectionBottom == LayoutUnit::min() ? bottom : sele ctionBottom; 76 m_selectionBottom = selectionBottom == LayoutUnit::min() ? bottom : sele ctionBottom;
77 } 77 }
78 78
79 virtual LineBoxList* lineBoxes() const override final; 79 LineBoxList* lineBoxes() const final;
80 80
81 LayoutObject* lineBreakObj() const { return m_lineBreakObj; } 81 LayoutObject* lineBreakObj() const { return m_lineBreakObj; }
82 BidiStatus lineBreakBidiStatus() const; 82 BidiStatus lineBreakBidiStatus() const;
83 void setLineBreakInfo(LayoutObject*, unsigned breakPos, const BidiStatus&); 83 void setLineBreakInfo(LayoutObject*, unsigned breakPos, const BidiStatus&);
84 84
85 unsigned lineBreakPos() const { return m_lineBreakPos; } 85 unsigned lineBreakPos() const { return m_lineBreakPos; }
86 void setLineBreakPos(unsigned p) { m_lineBreakPos = p; } 86 void setLineBreakPos(unsigned p) { m_lineBreakPos = p; }
87 87
88 using InlineBox::endsWithBreak; 88 using InlineBox::endsWithBreak;
89 using InlineBox::setEndsWithBreak; 89 using InlineBox::setEndsWithBreak;
90 90
91 void childRemoved(InlineBox*); 91 void childRemoved(InlineBox*);
92 92
93 bool lineCanAccommodateEllipsis(bool ltr, int blockEdge, int lineBoxEdge, in t ellipsisWidth); 93 bool lineCanAccommodateEllipsis(bool ltr, int blockEdge, int lineBoxEdge, in t ellipsisWidth);
94 // Return the truncatedWidth, the width of the truncated text + ellipsis. 94 // Return the truncatedWidth, the width of the truncated text + ellipsis.
95 LayoutUnit placeEllipsis(const AtomicString& ellipsisStr, bool ltr, LayoutUn it blockLeftEdge, LayoutUnit blockRightEdge, LayoutUnit ellipsisWidth); 95 LayoutUnit placeEllipsis(const AtomicString& ellipsisStr, bool ltr, LayoutUn it blockLeftEdge, LayoutUnit blockRightEdge, LayoutUnit ellipsisWidth);
96 // Return the position of the EllipsisBox or -1. 96 // Return the position of the EllipsisBox or -1.
97 virtual LayoutUnit placeEllipsisBox(bool ltr, LayoutUnit blockLeftEdge, Layo utUnit blockRightEdge, LayoutUnit ellipsisWidth, LayoutUnit &truncatedWidth, boo l& foundBox) override final; 97 LayoutUnit placeEllipsisBox(bool ltr, LayoutUnit blockLeftEdge, LayoutUnit b lockRightEdge, LayoutUnit ellipsisWidth, LayoutUnit &truncatedWidth, bool& found Box) final;
98 98
99 using InlineBox::hasEllipsisBox; 99 using InlineBox::hasEllipsisBox;
100 EllipsisBox* ellipsisBox() const; 100 EllipsisBox* ellipsisBox() const;
101 101
102 virtual void clearTruncation() override final; 102 void clearTruncation() final;
103 103
104 virtual int baselinePosition(FontBaseline baselineType) const override final ; 104 int baselinePosition(FontBaseline baselineType) const final;
105 virtual LayoutUnit lineHeight() const override final; 105 LayoutUnit lineHeight() const final;
106 106
107 virtual void paint(const PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) override; 107 void paint(const PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutU nit lineBottom) override;
108 virtual bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInCo ntainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit li neBottom) override final; 108 bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit lineTop, LayoutUnit lineBottom ) final;
109 109
110 using InlineBox::hasSelectedChildren; 110 using InlineBox::hasSelectedChildren;
111 using InlineBox::setHasSelectedChildren; 111 using InlineBox::setHasSelectedChildren;
112 112
113 virtual LayoutObject::SelectionState selectionState() const override final; 113 LayoutObject::SelectionState selectionState() const final;
114 InlineBox* firstSelectedBox() const; 114 InlineBox* firstSelectedBox() const;
115 InlineBox* lastSelectedBox() const; 115 InlineBox* lastSelectedBox() const;
116 116
117 GapRects lineSelectionGap(const LayoutBlock* rootBlock, const LayoutPoint& r ootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock, LayoutUnit selT op, LayoutUnit selHeight, const PaintInfo*) const; 117 GapRects lineSelectionGap(const LayoutBlock* rootBlock, const LayoutPoint& r ootBlockPhysicalPosition, const LayoutSize& offsetFromRootBlock, LayoutUnit selT op, LayoutUnit selHeight, const PaintInfo*) const;
118 118
119 LayoutBlockFlow& block() const; 119 LayoutBlockFlow& block() const;
120 120
121 InlineBox* closestLeafChildForPoint(const LayoutPoint&, bool onlyEditableLea ves); 121 InlineBox* closestLeafChildForPoint(const LayoutPoint&, bool onlyEditableLea ves);
122 InlineBox* closestLeafChildForLogicalLeftPosition(LayoutUnit, bool onlyEdita bleLeaves = false); 122 InlineBox* closestLeafChildForLogicalLeftPosition(LayoutUnit, bool onlyEdita bleLeaves = false);
123 123
124 void appendFloat(LayoutBox* floatingBox) 124 void appendFloat(LayoutBox* floatingBox)
125 { 125 {
126 ASSERT(!isDirty()); 126 ASSERT(!isDirty());
127 if (m_floats) 127 if (m_floats)
128 m_floats->append(floatingBox); 128 m_floats->append(floatingBox);
129 else 129 else
130 m_floats= adoptPtr(new Vector<LayoutBox*>(1, floatingBox)); 130 m_floats= adoptPtr(new Vector<LayoutBox*>(1, floatingBox));
131 } 131 }
132 132
133 Vector<LayoutBox*>* floatsPtr() { ASSERT(!isDirty()); return m_floats.get(); } 133 Vector<LayoutBox*>* floatsPtr() { ASSERT(!isDirty()); return m_floats.get(); }
134 134
135 virtual void extractLineBoxFromLayoutObject() override final; 135 void extractLineBoxFromLayoutObject() final;
136 virtual void attachLineBoxToLayoutObject() override final; 136 void attachLineBoxToLayoutObject() final;
137 virtual void removeLineBoxFromLayoutObject() override final; 137 void removeLineBoxFromLayoutObject() final;
138 138
139 FontBaseline baselineType() const { return static_cast<FontBaseline>(m_basel ineType); } 139 FontBaseline baselineType() const { return static_cast<FontBaseline>(m_basel ineType); }
140 140
141 bool hasAnnotationsBefore() const { return m_hasAnnotationsBefore; } 141 bool hasAnnotationsBefore() const { return m_hasAnnotationsBefore; }
142 bool hasAnnotationsAfter() const { return m_hasAnnotationsAfter; } 142 bool hasAnnotationsAfter() const { return m_hasAnnotationsAfter; }
143 143
144 LayoutRect paddedLayoutOverflowRect(LayoutUnit endPadding) const; 144 LayoutRect paddedLayoutOverflowRect(LayoutUnit endPadding) const;
145 145
146 void ascentAndDescentForBox(InlineBox*, GlyphOverflowAndFallbackFontsMap&, i nt& ascent, int& descent, bool& affectsAscent, bool& affectsDescent) const; 146 void ascentAndDescentForBox(InlineBox*, GlyphOverflowAndFallbackFontsMap&, i nt& ascent, int& descent, bool& affectsAscent, bool& affectsDescent) const;
147 LayoutUnit verticalPositionForBox(InlineBox*, VerticalPositionCache&); 147 LayoutUnit verticalPositionForBox(InlineBox*, VerticalPositionCache&);
(...skipping 20 matching lines...) Expand all
168 { 168 {
169 return InlineFlowBox::logicalBottomLayoutOverflow(lineBottom()); 169 return InlineFlowBox::logicalBottomLayoutOverflow(lineBottom());
170 } 170 }
171 171
172 // Used to calculate the underline offset for TextUnderlinePositionUnder. 172 // Used to calculate the underline offset for TextUnderlinePositionUnder.
173 LayoutUnit maxLogicalTop() const; 173 LayoutUnit maxLogicalTop() const;
174 174
175 Node* getLogicalStartBoxWithNode(InlineBox*&) const; 175 Node* getLogicalStartBoxWithNode(InlineBox*&) const;
176 Node* getLogicalEndBoxWithNode(InlineBox*&) const; 176 Node* getLogicalEndBoxWithNode(InlineBox*&) const;
177 177
178 virtual const char* boxName() const override; 178 const char* boxName() const override;
179 179
180 private: 180 private:
181 LayoutUnit beforeAnnotationsAdjustment() const; 181 LayoutUnit beforeAnnotationsAdjustment() const;
182 182
183 // This folds into the padding at the end of InlineFlowBox on 64-bit. 183 // This folds into the padding at the end of InlineFlowBox on 64-bit.
184 unsigned m_lineBreakPos; 184 unsigned m_lineBreakPos;
185 185
186 // Where this line ended. The exact object and the position within that obj ect are stored so that 186 // Where this line ended. The exact object and the position within that obj ect are stored so that
187 // we can create an InlineIterator beginning just after the end of this line . 187 // we can create an InlineIterator beginning just after the end of this line .
188 LayoutObject* m_lineBreakObj; 188 LayoutObject* m_lineBreakObj;
189 RefPtr<BidiContext> m_lineBreakContext; 189 RefPtr<BidiContext> m_lineBreakContext;
190 190
191 // Floats hanging off the line are pushed into this vector during layout. It is only 191 // Floats hanging off the line are pushed into this vector during layout. It is only
192 // good for as long as the line has not been marked dirty. 192 // good for as long as the line has not been marked dirty.
193 OwnPtr<Vector<LayoutBox*>> m_floats; 193 OwnPtr<Vector<LayoutBox*>> m_floats;
194 194
195 LayoutUnit m_lineTop; 195 LayoutUnit m_lineTop;
196 LayoutUnit m_lineBottom; 196 LayoutUnit m_lineBottom;
197 LayoutUnit m_lineTopWithLeading; 197 LayoutUnit m_lineTopWithLeading;
198 LayoutUnit m_lineBottomWithLeading; 198 LayoutUnit m_lineBottomWithLeading;
199 LayoutUnit m_selectionBottom; 199 LayoutUnit m_selectionBottom;
200 LayoutUnit m_paginationStrut; 200 LayoutUnit m_paginationStrut;
201 }; 201 };
202 202
203 } // namespace blink 203 } // namespace blink
204 204
205 #endif // RootInlineBox_h 205 #endif // RootInlineBox_h
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