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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/ng/ng_layout_input_node.h" | 9 #include "core/layout/ng/ng_layout_input_node.h" |
10 #include "platform/fonts/FontFallbackPriority.h" | 10 #include "platform/fonts/FontFallbackPriority.h" |
11 #include "platform/fonts/shaping/ShapeResult.h" | 11 #include "platform/fonts/shaping/ShapeResult.h" |
12 #include "platform/heap/Handle.h" | 12 #include "platform/heap/Handle.h" |
13 #include "platform/text/TextDirection.h" | 13 #include "platform/text/TextDirection.h" |
14 #include "wtf/text/WTFString.h" | 14 #include "wtf/text/WTFString.h" |
15 | 15 |
16 #include <unicode/ubidi.h> | 16 #include <unicode/ubidi.h> |
17 #include <unicode/uscript.h> | 17 #include <unicode/uscript.h> |
18 | 18 |
19 namespace blink { | 19 namespace blink { |
20 | 20 |
21 class ComputedStyle; | 21 class ComputedStyle; |
22 class LayoutBlockFlow; | 22 class LayoutBlockFlow; |
23 class LayoutObject; | 23 class LayoutObject; |
24 class LayoutUnit; | 24 class LayoutUnit; |
25 struct MinAndMaxContentSizes; | |
25 class NGConstraintSpace; | 26 class NGConstraintSpace; |
26 class NGLayoutInlineItem; | 27 class NGLayoutInlineItem; |
27 class NGLayoutInlineItemRange; | 28 class NGLayoutInlineItemRange; |
28 class NGLayoutInlineItemsBuilder; | 29 class NGLayoutInlineItemsBuilder; |
29 class NGLayoutResult; | 30 class NGLayoutResult; |
30 class NGLineBuilder; | 31 class NGLineBuilder; |
31 | 32 |
32 // Represents an inline node to be laid out. | 33 // Represents an inline node to be laid out. |
33 class CORE_EXPORT NGInlineNode : public NGLayoutInputNode { | 34 class CORE_EXPORT NGInlineNode : public NGLayoutInputNode { |
34 public: | 35 public: |
35 NGInlineNode(LayoutObject* start_inline, const ComputedStyle* block_style); | 36 NGInlineNode(LayoutObject* start_inline, const ComputedStyle* block_style); |
36 ~NGInlineNode() override; | 37 ~NGInlineNode() override; |
37 | 38 |
38 const ComputedStyle* BlockStyle() const { return block_style_.get(); } | 39 const ComputedStyle* BlockStyle() const { return block_style_.get(); } |
39 | 40 |
40 RefPtr<NGLayoutResult> Layout(NGConstraintSpace*) override; | 41 RefPtr<NGLayoutResult> Layout(NGConstraintSpace*) override; |
41 void LayoutInline(NGConstraintSpace*, NGLineBuilder*); | 42 void LayoutInline(NGConstraintSpace*, NGLineBuilder*); |
43 MinAndMaxContentSizes ComputeMinAndMaxContentSizes(); | |
cbiesinger
2017/02/27 23:16:16
Please add a comment for this function, as well.
kojii
2017/02/28 03:30:37
Done.
| |
42 NGInlineNode* NextSibling() override; | 44 NGInlineNode* NextSibling() override; |
43 LayoutObject* GetLayoutObject() override; | 45 LayoutObject* GetLayoutObject() override; |
44 | 46 |
45 // Prepare inline and text content for layout. Must be called before | 47 // Prepare inline and text content for layout. Must be called before |
46 // calling the Layout method. | 48 // calling the Layout method. |
cbiesinger
2017/02/27 23:16:16
LayoutInline calls this function itself. Should it
kojii
2017/02/28 03:30:37
Done.
| |
47 void PrepareLayout(); | 49 void PrepareLayout(); |
48 | 50 |
51 bool IsPrepareLayoutFinished() const { return !items_.isEmpty(); } | |
52 void InvalidatePrepareLayout(); | |
53 | |
49 const String& Text() const { return text_content_; } | 54 const String& Text() const { return text_content_; } |
50 String Text(unsigned start_offset, unsigned end_offset) const { | 55 String Text(unsigned start_offset, unsigned end_offset) const { |
51 return text_content_.substring(start_offset, end_offset); | 56 return text_content_.substring(start_offset, end_offset); |
52 } | 57 } |
53 | 58 |
54 Vector<NGLayoutInlineItem>& Items() { return items_; } | 59 Vector<NGLayoutInlineItem>& Items() { return items_; } |
55 NGLayoutInlineItemRange Items(unsigned start_index, unsigned end_index); | 60 NGLayoutInlineItemRange Items(unsigned start_index, unsigned end_index); |
56 | 61 |
57 LayoutBlockFlow* GetLayoutBlockFlow() const; | 62 LayoutBlockFlow* GetLayoutBlockFlow() const; |
58 void GetLayoutTextOffsets(Vector<unsigned, 32>*); | 63 void GetLayoutTextOffsets(Vector<unsigned, 32>*); |
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212 | 217 |
213 private: | 218 private: |
214 NGLayoutInlineItem* start_item_; | 219 NGLayoutInlineItem* start_item_; |
215 unsigned size_; | 220 unsigned size_; |
216 unsigned start_index_; | 221 unsigned start_index_; |
217 }; | 222 }; |
218 | 223 |
219 } // namespace blink | 224 } // namespace blink |
220 | 225 |
221 #endif // NGInlineNode_h | 226 #endif // NGInlineNode_h |
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