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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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29 */ | 29 */ |
30 | 30 |
31 #ifndef LayoutRuby_h | 31 #ifndef LayoutRuby_h |
32 #define LayoutRuby_h | 32 #define LayoutRuby_h |
33 | 33 |
34 #include "core/layout/LayoutBlockFlow.h" | 34 #include "core/layout/LayoutBlockFlow.h" |
35 #include "core/layout/LayoutInline.h" | 35 #include "core/layout/LayoutInline.h" |
36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
39 // Following the HTML 5 spec, the box object model for a <ruby> element allows s
everal runs of ruby | 39 // Following the HTML 5 spec, the box object model for a <ruby> element allows |
| 40 // several runs of ruby |
40 // bases with their respective ruby texts looks as follows: | 41 // bases with their respective ruby texts looks as follows: |
41 // | 42 // |
42 // 1 LayoutRuby object, corresponding to the whole <ruby> HTML element | 43 // 1 LayoutRuby object, corresponding to the whole <ruby> HTML element |
43 // 1+ LayoutRubyRun (anonymous) | 44 // 1+ LayoutRubyRun (anonymous) |
44 // 0 or 1 LayoutRubyText - shuffled to the front in order to re-use exi
sting block layouting | 45 // 0 or 1 LayoutRubyText - shuffled to the front in order to re-use |
| 46 // existing block layouting |
45 // 0-n inline object(s) | 47 // 0-n inline object(s) |
46 // 0 or 1 LayoutRubyBase - contains the inline objects that make up the
ruby base | 48 // 0 or 1 LayoutRubyBase - contains the inline objects that make up the |
| 49 // ruby base |
47 // 1-n inline object(s) | 50 // 1-n inline object(s) |
48 // | 51 // |
49 // Note: <rp> elements are defined as having 'display:none' and thus normally ar
e not assigned a layoutObject. | 52 // Note: <rp> elements are defined as having 'display:none' and thus normally |
| 53 // are not assigned a layoutObject. |
50 // | 54 // |
51 // Generated :before/:after content is shunted into anonymous inline blocks | 55 // Generated :before/:after content is shunted into anonymous inline blocks |
52 | 56 |
53 // <ruby> when used as 'display:inline' | 57 // <ruby> when used as 'display:inline' |
54 class LayoutRubyAsInline final : public LayoutInline { | 58 class LayoutRubyAsInline final : public LayoutInline { |
55 public: | 59 public: |
56 LayoutRubyAsInline(Element*); | 60 LayoutRubyAsInline(Element*); |
57 ~LayoutRubyAsInline() override; | 61 ~LayoutRubyAsInline() override; |
58 | 62 |
59 void addChild(LayoutObject* child, | 63 void addChild(LayoutObject* child, |
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93 } | 97 } |
94 bool createsAnonymousWrapper() const override { return true; } | 98 bool createsAnonymousWrapper() const override { return true; } |
95 void removeLeftoverAnonymousBlock(LayoutBlock*) override { | 99 void removeLeftoverAnonymousBlock(LayoutBlock*) override { |
96 ASSERT_NOT_REACHED(); | 100 ASSERT_NOT_REACHED(); |
97 } | 101 } |
98 }; | 102 }; |
99 | 103 |
100 } // namespace blink | 104 } // namespace blink |
101 | 105 |
102 #endif // LayoutRuby_h | 106 #endif // LayoutRuby_h |
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