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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 |
| (...skipping 20 matching lines...) Expand all Loading... |
| 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 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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