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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 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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31 #ifndef RenderedPosition_h | 31 #ifndef RenderedPosition_h |
32 #define RenderedPosition_h | 32 #define RenderedPosition_h |
33 | 33 |
34 #include "core/editing/TextAffinity.h" | 34 #include "core/editing/TextAffinity.h" |
35 #include "core/layout/line/InlineBox.h" | 35 #include "core/layout/line/InlineBox.h" |
36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
39 class LayoutUnit; | 39 class LayoutUnit; |
40 class Position; | 40 class Position; |
41 class RenderObject; | 41 class LayoutObject; |
42 class VisiblePosition; | 42 class VisiblePosition; |
43 struct CompositedSelectionBound; | 43 struct CompositedSelectionBound; |
44 | 44 |
45 class RenderedPosition { | 45 class RenderedPosition { |
46 public: | 46 public: |
47 RenderedPosition(); | 47 RenderedPosition(); |
48 explicit RenderedPosition(const VisiblePosition&); | 48 explicit RenderedPosition(const VisiblePosition&); |
49 explicit RenderedPosition(const Position&, EAffinity); | 49 explicit RenderedPosition(const Position&, EAffinity); |
50 bool isEquivalent(const RenderedPosition&) const; | 50 bool isEquivalent(const RenderedPosition&) const; |
51 | 51 |
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66 bool atRightBoundaryOfBidiRun(unsigned char bidiLevelOfRun) const { return a
tRightBoundaryOfBidiRun(MatchBidiLevel, bidiLevelOfRun); } | 66 bool atRightBoundaryOfBidiRun(unsigned char bidiLevelOfRun) const { return a
tRightBoundaryOfBidiRun(MatchBidiLevel, bidiLevelOfRun); } |
67 | 67 |
68 Position positionAtLeftBoundaryOfBiDiRun() const; | 68 Position positionAtLeftBoundaryOfBiDiRun() const; |
69 Position positionAtRightBoundaryOfBiDiRun() const; | 69 Position positionAtRightBoundaryOfBiDiRun() const; |
70 | 70 |
71 IntRect absoluteRect(LayoutUnit* extraWidthToEndOfLine = 0) const; | 71 IntRect absoluteRect(LayoutUnit* extraWidthToEndOfLine = 0) const; |
72 void positionInGraphicsLayerBacking(CompositedSelectionBound&) const; | 72 void positionInGraphicsLayerBacking(CompositedSelectionBound&) const; |
73 | 73 |
74 private: | 74 private: |
75 bool operator==(const RenderedPosition&) const { return false; } | 75 bool operator==(const RenderedPosition&) const { return false; } |
76 explicit RenderedPosition(RenderObject*, InlineBox*, int offset); | 76 explicit RenderedPosition(LayoutObject*, InlineBox*, int offset); |
77 | 77 |
78 InlineBox* prevLeafChild() const; | 78 InlineBox* prevLeafChild() const; |
79 InlineBox* nextLeafChild() const; | 79 InlineBox* nextLeafChild() const; |
80 bool atLeftmostOffsetInBox() const { return m_inlineBox && m_offset == m_inl
ineBox->caretLeftmostOffset(); } | 80 bool atLeftmostOffsetInBox() const { return m_inlineBox && m_offset == m_inl
ineBox->caretLeftmostOffset(); } |
81 bool atRightmostOffsetInBox() const { return m_inlineBox && m_offset == m_in
lineBox->caretRightmostOffset(); } | 81 bool atRightmostOffsetInBox() const { return m_inlineBox && m_offset == m_in
lineBox->caretRightmostOffset(); } |
82 bool atLeftBoundaryOfBidiRun(ShouldMatchBidiLevel, unsigned char bidiLevelOf
Run) const; | 82 bool atLeftBoundaryOfBidiRun(ShouldMatchBidiLevel, unsigned char bidiLevelOf
Run) const; |
83 bool atRightBoundaryOfBidiRun(ShouldMatchBidiLevel, unsigned char bidiLevelO
fRun) const; | 83 bool atRightBoundaryOfBidiRun(ShouldMatchBidiLevel, unsigned char bidiLevelO
fRun) const; |
84 | 84 |
85 RenderObject* m_renderer; | 85 LayoutObject* m_renderer; |
86 InlineBox* m_inlineBox; | 86 InlineBox* m_inlineBox; |
87 int m_offset; | 87 int m_offset; |
88 | 88 |
89 static InlineBox* uncachedInlineBox() { return reinterpret_cast<InlineBox*>(
1); } | 89 static InlineBox* uncachedInlineBox() { return reinterpret_cast<InlineBox*>(
1); } |
90 // Needs to be different form 0 so pick 1 because it's also on the null page
. | 90 // Needs to be different form 0 so pick 1 because it's also on the null page
. |
91 | 91 |
92 mutable InlineBox* m_prevLeafChild; | 92 mutable InlineBox* m_prevLeafChild; |
93 mutable InlineBox* m_nextLeafChild; | 93 mutable InlineBox* m_nextLeafChild; |
94 }; | 94 }; |
95 | 95 |
96 inline RenderedPosition::RenderedPosition() | 96 inline RenderedPosition::RenderedPosition() |
97 : m_renderer(nullptr) | 97 : m_renderer(nullptr) |
98 , m_inlineBox(nullptr) | 98 , m_inlineBox(nullptr) |
99 , m_offset(0) | 99 , m_offset(0) |
100 , m_prevLeafChild(uncachedInlineBox()) | 100 , m_prevLeafChild(uncachedInlineBox()) |
101 , m_nextLeafChild(uncachedInlineBox()) | 101 , m_nextLeafChild(uncachedInlineBox()) |
102 { | 102 { |
103 } | 103 } |
104 | 104 |
105 inline RenderedPosition::RenderedPosition(RenderObject* renderer, InlineBox* box
, int offset) | 105 inline RenderedPosition::RenderedPosition(LayoutObject* renderer, InlineBox* box
, int offset) |
106 : m_renderer(renderer) | 106 : m_renderer(renderer) |
107 , m_inlineBox(box) | 107 , m_inlineBox(box) |
108 , m_offset(offset) | 108 , m_offset(offset) |
109 , m_prevLeafChild(uncachedInlineBox()) | 109 , m_prevLeafChild(uncachedInlineBox()) |
110 , m_nextLeafChild(uncachedInlineBox()) | 110 , m_nextLeafChild(uncachedInlineBox()) |
111 { | 111 { |
112 } | 112 } |
113 | 113 |
114 bool renderObjectContainsPosition(RenderObject*, const Position&); | 114 bool layoutObjectContainsPosition(LayoutObject*, const Position&); |
115 | 115 |
116 }; | 116 }; |
117 | 117 |
118 #endif // RenderedPosition_h | 118 #endif // RenderedPosition_h |
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