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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2006 Apple Computer, Inc. | 3 * Copyright (C) 2006 Apple Computer, Inc. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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71 SelectionPaintRange(LayoutObject* start_layout_object, | 71 SelectionPaintRange(LayoutObject* start_layout_object, |
72 int start_offset, | 72 int start_offset, |
73 LayoutObject* end_layout_object, | 73 LayoutObject* end_layout_object, |
74 int end_offset); | 74 int end_offset); |
75 | 75 |
76 bool operator==(const SelectionPaintRange& other) const; | 76 bool operator==(const SelectionPaintRange& other) const; |
77 | 77 |
78 LayoutObject* StartLayoutObject() const; | 78 LayoutObject* StartLayoutObject() const; |
79 int StartOffset() const; | 79 int StartOffset() const; |
80 LayoutObject* EndLayoutObject() const; | 80 LayoutObject* EndLayoutObject() const; |
81 int EndOffset() const; | 81 int EndOffset() const; |
yoichio
2017/06/27 07:54:52
Having LayoutNGBlockFlow, textcontent offset and i
| |
82 | 82 |
83 bool IsNull() const { return !start_layout_object_; } | 83 bool IsNull() const { return !start_layout_object_; } |
84 | 84 |
85 private: | 85 private: |
86 LayoutObject* start_layout_object_ = nullptr; | 86 LayoutObject* start_layout_object_ = nullptr; |
87 int start_offset_ = -1; | 87 int start_offset_ = -1; |
88 LayoutObject* end_layout_object_ = nullptr; | 88 LayoutObject* end_layout_object_ = nullptr; |
89 int end_offset_ = -1; | 89 int end_offset_ = -1; |
90 }; | 90 }; |
91 | 91 |
92 class LayoutSelection final : public GarbageCollected<LayoutSelection> { | 92 class LayoutSelection final : public GarbageCollected<LayoutSelection> { |
93 public: | 93 public: |
94 static LayoutSelection* Create(FrameSelection& frame_selection) { | 94 static LayoutSelection* Create(FrameSelection& frame_selection) { |
95 return new LayoutSelection(frame_selection); | 95 return new LayoutSelection(frame_selection); |
96 } | 96 } |
97 | 97 |
98 bool HasPendingSelection() const { return has_pending_selection_; } | 98 bool HasPendingSelection() const { return has_pending_selection_; } |
99 void SetHasPendingSelection() { has_pending_selection_ = true; } | 99 void SetHasPendingSelection() { has_pending_selection_ = true; } |
100 void Commit(); | 100 void Commit(); |
101 | 101 |
102 IntRect SelectionBounds(); | 102 IntRect SelectionBounds(); |
103 void InvalidatePaintForSelection(); | 103 void InvalidatePaintForSelection(); |
104 | 104 |
105 void ClearSelection(); | 105 void ClearSelection(); |
106 // TODO(yoichio): Returns pair<Union<NGOffset, DOMOffset>, Union<NGOffset, | |
107 // DOMOffset>>. Content of the Union is decided by if | |
108 // paint_range_.Start(End)LayoutObject() is NG or not. LayoutObject painter | |
109 // calliing this should know if the LayoutObject is NG and | |
110 // LayoutObject.SelectionState because SelectionStartEnd().first doesn't make | |
111 // sense for SelectionState::kEnd LayoutObject. | |
106 std::pair<int, int> SelectionStartEnd(); | 112 std::pair<int, int> SelectionStartEnd(); |
107 void OnDocumentShutdown(); | 113 void OnDocumentShutdown(); |
108 | 114 |
109 DECLARE_TRACE(); | 115 DECLARE_TRACE(); |
110 | 116 |
111 private: | 117 private: |
112 LayoutSelection(FrameSelection&); | 118 LayoutSelection(FrameSelection&); |
113 | 119 |
114 Member<FrameSelection> frame_selection_; | 120 Member<FrameSelection> frame_selection_; |
115 bool has_pending_selection_ : 1; | 121 bool has_pending_selection_ : 1; |
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147 | 153 |
148 private: | 154 private: |
149 Member<NGTextOffsetMap> offset_map_; | 155 Member<NGTextOffsetMap> offset_map_; |
150 | 156 |
151 DISALLOW_COPY_AND_ASSIGN(Builder); | 157 DISALLOW_COPY_AND_ASSIGN(Builder); |
152 }; | 158 }; |
153 | 159 |
154 } // namespace blink | 160 } // namespace blink |
155 | 161 |
156 #endif | 162 #endif |
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