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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NGInlineLayoutAlgorithm_h | 5 #ifndef NGInlineLayoutAlgorithm_h |
6 #define NGInlineLayoutAlgorithm_h | 6 #define NGInlineLayoutAlgorithm_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "core/layout/ng/geometry/ng_logical_offset.h" | 9 #include "core/layout/ng/geometry/ng_logical_offset.h" |
10 #include "core/layout/ng/inline/ng_inline_box_state.h" | |
10 #include "core/layout/ng/inline/ng_inline_break_token.h" | 11 #include "core/layout/ng/inline/ng_inline_break_token.h" |
11 #include "core/layout/ng/inline/ng_line_height_metrics.h" | 12 #include "core/layout/ng/inline/ng_line_height_metrics.h" |
12 #include "core/layout/ng/ng_constraint_space_builder.h" | 13 #include "core/layout/ng/ng_constraint_space_builder.h" |
13 #include "core/layout/ng/ng_fragment_builder.h" | 14 #include "core/layout/ng/ng_fragment_builder.h" |
14 #include "core/layout/ng/ng_layout_algorithm.h" | 15 #include "core/layout/ng/ng_layout_algorithm.h" |
15 #include "platform/fonts/FontBaseline.h" | 16 #include "platform/fonts/FontBaseline.h" |
16 #include "platform/heap/Handle.h" | 17 #include "platform/heap/Handle.h" |
17 #include "platform/wtf/Vector.h" | 18 #include "platform/wtf/Vector.h" |
18 | 19 |
19 namespace blink { | 20 namespace blink { |
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130 void LayoutAndPositionFloat(LayoutUnit end_position, LayoutObject*); | 131 void LayoutAndPositionFloat(LayoutUnit end_position, LayoutObject*); |
131 | 132 |
132 bool PlaceItems(const Vector<LineItemChunk, 32>&); | 133 bool PlaceItems(const Vector<LineItemChunk, 32>&); |
133 void AccumulateUsedFonts(const NGLayoutInlineItem&, | 134 void AccumulateUsedFonts(const NGLayoutInlineItem&, |
134 const LineItemChunk&, | 135 const LineItemChunk&, |
135 NGLineBoxFragmentBuilder*); | 136 NGLineBoxFragmentBuilder*); |
136 LayoutUnit PlaceAtomicInline(const NGLayoutInlineItem&, | 137 LayoutUnit PlaceAtomicInline(const NGLayoutInlineItem&, |
137 NGLineBoxFragmentBuilder*, | 138 NGLineBoxFragmentBuilder*, |
138 NGTextFragmentBuilder*); | 139 NGTextFragmentBuilder*); |
139 | 140 |
141 NGInlineBoxState* OnBeginPlaceItems(); | |
ikilpatrick
2017/04/18 01:04:37
Oh, sorry, does it make sense to move, OnBeginPlac
| |
142 NGInlineBoxState* OnOpenTag(const NGLayoutInlineItem&, | |
143 NGLineBoxFragmentBuilder*, | |
144 NGTextFragmentBuilder*); | |
145 NGInlineBoxState* OnCloseTag(const NGLayoutInlineItem&, | |
146 NGLineBoxFragmentBuilder*, | |
147 NGInlineBoxState*); | |
148 void OnEndPlaceItems(NGLineBoxFragmentBuilder*); | |
149 void EndBoxState(NGInlineBoxState*, NGLineBoxFragmentBuilder*); | |
150 void ApplyBaselineShift(NGInlineBoxState*, NGLineBoxFragmentBuilder*); | |
151 | |
140 // Finds the next layout opportunity for the next text fragment. | 152 // Finds the next layout opportunity for the next text fragment. |
141 void FindNextLayoutOpportunity(); | 153 void FindNextLayoutOpportunity(); |
142 | 154 |
143 Vector<RefPtr<NGLayoutResult>, 32> layout_results_; | 155 Vector<RefPtr<NGLayoutResult>, 32> layout_results_; |
156 NGInlineLayoutStateStack box_states_; | |
144 unsigned start_index_ = 0; | 157 unsigned start_index_ = 0; |
145 unsigned start_offset_ = 0; | 158 unsigned start_offset_ = 0; |
146 unsigned last_index_ = 0; | 159 unsigned last_index_ = 0; |
147 unsigned end_offset_ = 0; | 160 unsigned end_offset_ = 0; |
148 unsigned last_break_opportunity_index_ = 0; | 161 unsigned last_break_opportunity_index_ = 0; |
149 unsigned last_break_opportunity_offset_ = 0; | 162 unsigned last_break_opportunity_offset_ = 0; |
150 LayoutUnit end_position_; | 163 LayoutUnit end_position_; |
151 LayoutUnit last_break_opportunity_position_; | 164 LayoutUnit last_break_opportunity_position_; |
152 LayoutUnit content_size_; | 165 LayoutUnit content_size_; |
153 LayoutUnit max_inline_size_; | 166 LayoutUnit max_inline_size_; |
154 FontBaseline baseline_type_ = FontBaseline::kAlphabeticBaseline; | 167 FontBaseline baseline_type_ = FontBaseline::kAlphabeticBaseline; |
155 | 168 |
156 NGLogicalOffset bfc_offset_; | 169 NGLogicalOffset bfc_offset_; |
157 NGLogicalRect current_opportunity_; | 170 NGLogicalRect current_opportunity_; |
158 | 171 |
159 unsigned is_horizontal_writing_mode_ : 1; | 172 unsigned is_horizontal_writing_mode_ : 1; |
160 unsigned disallow_first_line_rules_ : 1; | 173 unsigned disallow_first_line_rules_ : 1; |
161 | 174 |
162 NGConstraintSpaceBuilder space_builder_; | 175 NGConstraintSpaceBuilder space_builder_; |
163 #if DCHECK_IS_ON() | 176 #if DCHECK_IS_ON() |
164 unsigned is_bidi_reordered_ : 1; | 177 unsigned is_bidi_reordered_ : 1; |
165 #endif | 178 #endif |
166 }; | 179 }; |
167 | 180 |
168 } // namespace blink | 181 } // namespace blink |
169 | 182 |
170 #endif // NGInlineLayoutAlgorithm_h | 183 #endif // NGInlineLayoutAlgorithm_h |
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