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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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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 adjustPosition(float dx, float dy) override final; | 49 virtual void adjustPosition(float dx, float dy) override 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_fragmentationData ? m_fragment
ationData->m_paginationStrut : LayoutUnit(0); } | 57 LayoutUnit paginationStrut() const { return m_paginationStrut; } |
58 void setPaginationStrut(LayoutUnit strut) { ensureLineFragmentationData()->m
_paginationStrut = strut; } | 58 void setPaginationStrut(LayoutUnit strut) { m_paginationStrut = strut; } |
59 | 59 |
60 bool isFirstAfterPageBreak() const { return m_fragmentationData ? m_fragment
ationData->m_isFirstAfterPageBreak : false; } | 60 void setPaginatedLineWidth(LayoutUnit width) { m_paginatedLineWidth = width;
} |
61 void setIsFirstAfterPageBreak(bool isFirstAfterPageBreak) { ensureLineFragme
ntationData()->m_isFirstAfterPageBreak = isFirstAfterPageBreak; } | |
62 | |
63 void setPaginatedLineWidth(LayoutUnit width) { ensureLineFragmentationData()
->m_paginatedLineWidth = width; } | |
64 | 61 |
65 LayoutUnit selectionTop() const; | 62 LayoutUnit selectionTop() const; |
66 LayoutUnit selectionBottom() const; | 63 LayoutUnit selectionBottom() const; |
67 LayoutUnit selectionHeight() const { return max<LayoutUnit>(0, selectionBott
om() - selectionTop()); } | 64 LayoutUnit selectionHeight() const { return max<LayoutUnit>(0, selectionBott
om() - selectionTop()); } |
68 | 65 |
69 LayoutUnit selectionTopAdjustedForPrecedingBlock() const; | 66 LayoutUnit selectionTopAdjustedForPrecedingBlock() const; |
70 LayoutUnit selectionHeightAdjustedForPrecedingBlock() const { return max<Lay
outUnit>(0, selectionBottom() - selectionTopAdjustedForPrecedingBlock()); } | 67 LayoutUnit selectionHeightAdjustedForPrecedingBlock() const { return max<Lay
outUnit>(0, selectionBottom() - selectionTopAdjustedForPrecedingBlock()); } |
71 | 68 |
72 int blockDirectionPointInLine() const; | 69 int blockDirectionPointInLine() const; |
73 | 70 |
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179 | 176 |
180 Node* getLogicalStartBoxWithNode(InlineBox*&) const; | 177 Node* getLogicalStartBoxWithNode(InlineBox*&) const; |
181 Node* getLogicalEndBoxWithNode(InlineBox*&) const; | 178 Node* getLogicalEndBoxWithNode(InlineBox*&) const; |
182 | 179 |
183 #ifndef NDEBUG | 180 #ifndef NDEBUG |
184 virtual const char* boxName() const override; | 181 virtual const char* boxName() const override; |
185 #endif | 182 #endif |
186 private: | 183 private: |
187 LayoutUnit beforeAnnotationsAdjustment() const; | 184 LayoutUnit beforeAnnotationsAdjustment() const; |
188 | 185 |
189 struct LineFragmentationData; | |
190 LineFragmentationData* ensureLineFragmentationData() | |
191 { | |
192 if (!m_fragmentationData) | |
193 m_fragmentationData = adoptPtr(new LineFragmentationData()); | |
194 | |
195 return m_fragmentationData.get(); | |
196 } | |
197 | |
198 // This folds into the padding at the end of InlineFlowBox on 64-bit. | 186 // This folds into the padding at the end of InlineFlowBox on 64-bit. |
199 unsigned m_lineBreakPos; | 187 unsigned m_lineBreakPos; |
200 | 188 |
201 // Where this line ended. The exact object and the position within that obj
ect are stored so that | 189 // Where this line ended. The exact object and the position within that obj
ect are stored so that |
202 // we can create an InlineIterator beginning just after the end of this line
. | 190 // we can create an InlineIterator beginning just after the end of this line
. |
203 RenderObject* m_lineBreakObj; | 191 RenderObject* m_lineBreakObj; |
204 RefPtr<BidiContext> m_lineBreakContext; | 192 RefPtr<BidiContext> m_lineBreakContext; |
205 | 193 |
206 struct LineFragmentationData { | |
207 WTF_MAKE_NONCOPYABLE(LineFragmentationData); WTF_MAKE_FAST_ALLOCATED; | |
208 public: | |
209 LineFragmentationData() | |
210 : m_paginationStrut(0) | |
211 , m_paginatedLineWidth(0) | |
212 , m_isFirstAfterPageBreak(false) | |
213 { | |
214 | |
215 } | |
216 | |
217 LayoutUnit m_paginationStrut; | |
218 LayoutUnit m_paginatedLineWidth; | |
219 bool m_isFirstAfterPageBreak; | |
220 }; | |
221 | |
222 OwnPtr<LineFragmentationData> m_fragmentationData; | |
223 | |
224 // Floats hanging off the line are pushed into this vector during layout. It
is only | 194 // Floats hanging off the line are pushed into this vector during layout. It
is only |
225 // good for as long as the line has not been marked dirty. | 195 // good for as long as the line has not been marked dirty. |
226 OwnPtr<Vector<RenderBox*> > m_floats; | 196 OwnPtr<Vector<RenderBox*> > m_floats; |
227 | 197 |
228 LayoutUnit m_lineTop; | 198 LayoutUnit m_lineTop; |
229 LayoutUnit m_lineBottom; | 199 LayoutUnit m_lineBottom; |
230 LayoutUnit m_lineTopWithLeading; | 200 LayoutUnit m_lineTopWithLeading; |
231 LayoutUnit m_lineBottomWithLeading; | 201 LayoutUnit m_lineBottomWithLeading; |
232 LayoutUnit m_selectionBottom; | 202 LayoutUnit m_selectionBottom; |
| 203 LayoutUnit m_paginationStrut; |
| 204 LayoutUnit m_paginatedLineWidth; |
233 }; | 205 }; |
234 | 206 |
235 } // namespace blink | 207 } // namespace blink |
236 | 208 |
237 #endif // RootInlineBox_h | 209 #endif // RootInlineBox_h |
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