OLD | NEW |
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 |
(...skipping 18 matching lines...) Expand all Loading... |
29 */ | 29 */ |
30 | 30 |
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/rendering/InlineBox.h" | 35 #include "core/rendering/InlineBox.h" |
36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 | 38 |
| 39 class GraphicsLayer; |
39 class LayoutUnit; | 40 class LayoutUnit; |
40 class Position; | 41 class Position; |
41 class RenderObject; | 42 class RenderObject; |
42 class VisiblePosition; | 43 class VisiblePosition; |
| 44 struct CompositedSelectionBound; |
43 | 45 |
44 class RenderedPosition { | 46 class RenderedPosition { |
45 public: | 47 public: |
46 RenderedPosition(); | 48 RenderedPosition(); |
47 explicit RenderedPosition(const VisiblePosition&); | 49 explicit RenderedPosition(const VisiblePosition&); |
48 explicit RenderedPosition(const Position&, EAffinity); | 50 explicit RenderedPosition(const Position&, EAffinity); |
49 bool isEquivalent(const RenderedPosition&) const; | 51 bool isEquivalent(const RenderedPosition&) const; |
50 | 52 |
51 bool isNull() const { return !m_renderer; } | 53 bool isNull() const { return !m_renderer; } |
52 RootInlineBox* rootBox() { return m_inlineBox ? &m_inlineBox->root() : 0; } | 54 RootInlineBox* rootBox() { return m_inlineBox ? &m_inlineBox->root() : 0; } |
53 | 55 |
54 unsigned char bidiLevelOnLeft() const; | 56 unsigned char bidiLevelOnLeft() const; |
55 unsigned char bidiLevelOnRight() const; | 57 unsigned char bidiLevelOnRight() const; |
56 RenderedPosition leftBoundaryOfBidiRun(unsigned char bidiLevelOfRun); | 58 RenderedPosition leftBoundaryOfBidiRun(unsigned char bidiLevelOfRun); |
57 RenderedPosition rightBoundaryOfBidiRun(unsigned char bidiLevelOfRun); | 59 RenderedPosition rightBoundaryOfBidiRun(unsigned char bidiLevelOfRun); |
58 | 60 |
59 enum ShouldMatchBidiLevel { MatchBidiLevel, IgnoreBidiLevel }; | 61 enum ShouldMatchBidiLevel { MatchBidiLevel, IgnoreBidiLevel }; |
60 bool atLeftBoundaryOfBidiRun() const { return atLeftBoundaryOfBidiRun(Ignore
BidiLevel, 0); } | 62 bool atLeftBoundaryOfBidiRun() const { return atLeftBoundaryOfBidiRun(Ignore
BidiLevel, 0); } |
61 bool atRightBoundaryOfBidiRun() const { return atRightBoundaryOfBidiRun(Igno
reBidiLevel, 0); } | 63 bool atRightBoundaryOfBidiRun() const { return atRightBoundaryOfBidiRun(Igno
reBidiLevel, 0); } |
62 // The following two functions return true only if the current position is a
t the end of the bidi run | 64 // The following two functions return true only if the current position is a
t the end of the bidi run |
63 // of the specified bidi embedding level. | 65 // of the specified bidi embedding level. |
64 bool atLeftBoundaryOfBidiRun(unsigned char bidiLevelOfRun) const { return at
LeftBoundaryOfBidiRun(MatchBidiLevel, bidiLevelOfRun); } | 66 bool atLeftBoundaryOfBidiRun(unsigned char bidiLevelOfRun) const { return at
LeftBoundaryOfBidiRun(MatchBidiLevel, bidiLevelOfRun); } |
65 bool atRightBoundaryOfBidiRun(unsigned char bidiLevelOfRun) const { return a
tRightBoundaryOfBidiRun(MatchBidiLevel, bidiLevelOfRun); } | 67 bool atRightBoundaryOfBidiRun(unsigned char bidiLevelOfRun) const { return a
tRightBoundaryOfBidiRun(MatchBidiLevel, bidiLevelOfRun); } |
66 | 68 |
67 Position positionAtLeftBoundaryOfBiDiRun() const; | 69 Position positionAtLeftBoundaryOfBiDiRun() const; |
68 Position positionAtRightBoundaryOfBiDiRun() const; | 70 Position positionAtRightBoundaryOfBiDiRun() const; |
69 | 71 |
70 IntRect absoluteRect(LayoutUnit* extraWidthToEndOfLine = 0) const; | 72 IntRect absoluteRect(LayoutUnit* extraWidthToEndOfLine = 0) const; |
| 73 void positionInGraphicsLayerBacking(CompositedSelectionBound&) const; |
71 | 74 |
72 private: | 75 private: |
73 bool operator==(const RenderedPosition&) const { return false; } | 76 bool operator==(const RenderedPosition&) const { return false; } |
74 explicit RenderedPosition(RenderObject*, InlineBox*, int offset); | 77 explicit RenderedPosition(RenderObject*, InlineBox*, int offset); |
75 | 78 |
76 InlineBox* prevLeafChild() const; | 79 InlineBox* prevLeafChild() const; |
77 InlineBox* nextLeafChild() const; | 80 InlineBox* nextLeafChild() const; |
78 bool atLeftmostOffsetInBox() const { return m_inlineBox && m_offset == m_inl
ineBox->caretLeftmostOffset(); } | 81 bool atLeftmostOffsetInBox() const { return m_inlineBox && m_offset == m_inl
ineBox->caretLeftmostOffset(); } |
79 bool atRightmostOffsetInBox() const { return m_inlineBox && m_offset == m_in
lineBox->caretRightmostOffset(); } | 82 bool atRightmostOffsetInBox() const { return m_inlineBox && m_offset == m_in
lineBox->caretRightmostOffset(); } |
80 bool atLeftBoundaryOfBidiRun(ShouldMatchBidiLevel, unsigned char bidiLevelOf
Run) const; | 83 bool atLeftBoundaryOfBidiRun(ShouldMatchBidiLevel, unsigned char bidiLevelOf
Run) const; |
(...skipping 26 matching lines...) Expand all Loading... |
107 , m_prevLeafChild(uncachedInlineBox()) | 110 , m_prevLeafChild(uncachedInlineBox()) |
108 , m_nextLeafChild(uncachedInlineBox()) | 111 , m_nextLeafChild(uncachedInlineBox()) |
109 { | 112 { |
110 } | 113 } |
111 | 114 |
112 bool renderObjectContainsPosition(RenderObject*, const Position&); | 115 bool renderObjectContainsPosition(RenderObject*, const Position&); |
113 | 116 |
114 }; | 117 }; |
115 | 118 |
116 #endif // RenderedPosition_h | 119 #endif // RenderedPosition_h |
OLD | NEW |