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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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37 // 2 LayoutObjects are only valid for |Text| node without 'transform' or | 37 // 2 LayoutObjects are only valid for |Text| node without 'transform' or |
38 // 'first-letter'. | 38 // 'first-letter'. |
39 // TODO(editing-dev): Clarify the meaning of "offset". | 39 // TODO(editing-dev): Clarify the meaning of "offset". |
40 // editing/ passes them as offsets in the DOM tree but layout uses them as | 40 // editing/ passes them as offsets in the DOM tree but layout uses them as |
41 // offset in the layout tree. This doesn't work in the cases of | 41 // offset in the layout tree. This doesn't work in the cases of |
42 // CSS first-letter or character transform. See crbug.com/17528. | 42 // CSS first-letter or character transform. See crbug.com/17528. |
43 class SelectionPaintRange { | 43 class SelectionPaintRange { |
44 DISALLOW_NEW(); | 44 DISALLOW_NEW(); |
45 | 45 |
46 public: | 46 public: |
47 class Iterator | |
48 : public std::iterator<std::input_iterator_tag, LayoutObject*> { | |
49 public: | |
50 explicit Iterator(const SelectionPaintRange*); | |
51 Iterator(const Iterator&) = default; | |
52 bool operator==(const Iterator& other) const { | |
53 return current_ == other.current_; | |
54 } | |
55 bool operator!=(const Iterator& other) const { | |
56 return current_ != other.current_; | |
yosin_UTC9
2017/06/02 08:35:44
|return !operator==(other)| is better.
yoichio
2017/06/12 06:12:52
Done.
| |
57 } | |
58 Iterator& operator++(); | |
59 LayoutObject* operator*() const { return current_; } | |
yosin_UTC9
2017/06/02 08:35:44
We should have DCHECK(current_);
yoichio
2017/06/12 06:12:52
Done.
| |
60 | |
61 private: | |
62 LayoutObject* current_; | |
63 const LayoutObject* included_end_; | |
64 const LayoutObject* stop_; | |
65 }; | |
66 Iterator begin() const { return Iterator(this); }; | |
67 Iterator end() const { return Iterator(nullptr); }; | |
68 | |
47 SelectionPaintRange() = default; | 69 SelectionPaintRange() = default; |
48 SelectionPaintRange(LayoutObject* start_layout_object, | 70 SelectionPaintRange(LayoutObject* start_layout_object, |
49 int start_offset, | 71 int start_offset, |
50 LayoutObject* end_layout_object, | 72 LayoutObject* end_layout_object, |
51 int end_offset); | 73 int end_offset); |
52 | 74 |
53 bool operator==(const SelectionPaintRange& other) const; | 75 bool operator==(const SelectionPaintRange& other) const; |
54 | 76 |
55 LayoutObject* StartLayoutObject() const; | 77 LayoutObject* StartLayoutObject() const; |
56 int StartOffset() const; | 78 int StartOffset() const; |
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93 | 115 |
94 Member<FrameSelection> frame_selection_; | 116 Member<FrameSelection> frame_selection_; |
95 bool has_pending_selection_ : 1; | 117 bool has_pending_selection_ : 1; |
96 | 118 |
97 SelectionPaintRange paint_range_; | 119 SelectionPaintRange paint_range_; |
98 }; | 120 }; |
99 | 121 |
100 } // namespace blink | 122 } // namespace blink |
101 | 123 |
102 #endif | 124 #endif |
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