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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 NGInlineNode_h | 5 #ifndef NGInlineNode_h |
6 #define NGInlineNode_h | 6 #define NGInlineNode_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "core/layout/LayoutBlockFlow.h" | 9 #include "core/layout/LayoutBlockFlow.h" |
10 #include "core/layout/ng/ng_layout_input_node.h" | 10 #include "core/layout/ng/ng_layout_input_node.h" |
11 #include "platform/fonts/FontFallbackPriority.h" | 11 #include "platform/fonts/FontFallbackPriority.h" |
12 #include "platform/fonts/shaping/ShapeResult.h" | 12 #include "platform/fonts/shaping/ShapeResult.h" |
13 #include "platform/heap/Handle.h" | 13 #include "platform/heap/Handle.h" |
14 #include "platform/text/TextDirection.h" | 14 #include "platform/text/TextDirection.h" |
15 #include "wtf/text/WTFString.h" | 15 #include "wtf/text/WTFString.h" |
16 | 16 |
17 #include <unicode/ubidi.h> | 17 #include <unicode/ubidi.h> |
18 #include <unicode/uscript.h> | 18 #include <unicode/uscript.h> |
19 | 19 |
20 namespace blink { | 20 namespace blink { |
21 | 21 |
22 class ComputedStyle; | 22 class ComputedStyle; |
23 class LayoutBlockFlow; | 23 class LayoutBlockFlow; |
24 class LayoutObject; | 24 class LayoutObject; |
25 class LayoutUnit; | 25 class LayoutUnit; |
26 struct MinMaxContentSize; | 26 struct MinMaxContentSize; |
27 class NGConstraintSpace; | 27 class NGConstraintSpace; |
28 class NGFragmentBuilder; | |
29 class NGLayoutInlineItem; | 28 class NGLayoutInlineItem; |
30 class NGLayoutInlineItemRange; | 29 class NGLayoutInlineItemRange; |
31 class NGLayoutInlineItemsBuilder; | 30 class NGLayoutInlineItemsBuilder; |
32 class NGLayoutResult; | 31 class NGLayoutResult; |
33 class NGLineBuilder; | 32 class NGLineBuilder; |
34 | 33 |
35 // Represents an anonymous block box to be laid out, that contains consecutive | 34 // Represents an anonymous block box to be laid out, that contains consecutive |
36 // inline nodes and their descendants. | 35 // inline nodes and their descendants. |
37 class CORE_EXPORT NGInlineNode : public NGLayoutInputNode { | 36 class CORE_EXPORT NGInlineNode : public NGLayoutInputNode { |
38 public: | 37 public: |
39 NGInlineNode(LayoutObject* start_inline, LayoutBlockFlow*); | 38 NGInlineNode(LayoutObject* start_inline, LayoutBlockFlow*); |
40 ~NGInlineNode() override; | 39 ~NGInlineNode() override; |
41 | 40 |
42 LayoutBlockFlow* GetLayoutBlockFlow() const { return block_; } | 41 LayoutBlockFlow* GetLayoutBlockFlow() const { return block_; } |
43 const ComputedStyle* BlockStyle() const { return block_->style(); } | 42 const ComputedStyle* BlockStyle() const { return block_->style(); } |
44 NGLayoutInputNode* NextSibling() override; | 43 NGLayoutInputNode* NextSibling() override; |
45 | 44 |
46 RefPtr<NGLayoutResult> Layout(NGConstraintSpace*, NGBreakToken*) override; | 45 RefPtr<NGLayoutResult> Layout(NGConstraintSpace*, NGBreakToken*) override; |
47 RefPtr<NGLayoutResult> Layout(NGConstraintSpace*, | |
48 NGFragmentBuilder*, | |
49 NGBreakToken*); | |
50 LayoutObject* GetLayoutObject() override; | 46 LayoutObject* GetLayoutObject() override; |
51 | 47 |
52 // Computes the value of min-content and max-content for this anonymous block | 48 // Computes the value of min-content and max-content for this anonymous block |
53 // box. min-content is the inline size when lines wrap at every break | 49 // box. min-content is the inline size when lines wrap at every break |
54 // opportunity, and max-content is when lines do not wrap at all. | 50 // opportunity, and max-content is when lines do not wrap at all. |
55 MinMaxContentSize ComputeMinMaxContentSize(); | 51 MinMaxContentSize ComputeMinMaxContentSize(); |
56 | 52 |
57 // Instruct to re-compute |PrepareLayout| on the next layout. | 53 // Instruct to re-compute |PrepareLayout| on the next layout. |
58 void InvalidatePrepareLayout(); | 54 void InvalidatePrepareLayout(); |
59 | 55 |
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232 | 228 |
233 private: | 229 private: |
234 NGLayoutInlineItem* start_item_; | 230 NGLayoutInlineItem* start_item_; |
235 unsigned size_; | 231 unsigned size_; |
236 unsigned start_index_; | 232 unsigned start_index_; |
237 }; | 233 }; |
238 | 234 |
239 } // namespace blink | 235 } // namespace blink |
240 | 236 |
241 #endif // NGInlineNode_h | 237 #endif // NGInlineNode_h |
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