| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 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 15 matching lines...) Expand all Loading... |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef AbstractInlineTextBox_h | 31 #ifndef AbstractInlineTextBox_h |
| 32 #define AbstractInlineTextBox_h | 32 #define AbstractInlineTextBox_h |
| 33 | 33 |
| 34 #include "core/CoreExport.h" | 34 #include "core/CoreExport.h" |
| 35 #include "core/dom/Range.h" | 35 #include "core/dom/Range.h" |
| 36 #include "core/layout/LayoutText.h" | 36 #include "core/layout/api/LineLayoutText.h" |
| 37 #include "core/layout/line/InlineTextBox.h" | 37 #include "core/layout/line/InlineTextBox.h" |
| 38 #include "wtf/HashMap.h" | 38 #include "wtf/HashMap.h" |
| 39 #include "wtf/RefPtr.h" | 39 #include "wtf/RefPtr.h" |
| 40 | 40 |
| 41 namespace blink { | 41 namespace blink { |
| 42 | 42 |
| 43 class InlineTextBox; | 43 class InlineTextBox; |
| 44 | 44 |
| 45 // High-level abstraction of InlineTextBox to allow the accessibility module to | 45 // High-level abstraction of InlineTextBox to allow the accessibility module to |
| 46 // get information about InlineTextBoxes without tight coupling. | 46 // get information about InlineTextBoxes without tight coupling. |
| 47 class CORE_EXPORT AbstractInlineTextBox : public RefCounted<AbstractInlineTextBo
x> { | 47 class CORE_EXPORT AbstractInlineTextBox : public RefCounted<AbstractInlineTextBo
x> { |
| 48 private: | 48 private: |
| 49 AbstractInlineTextBox(LayoutText* layoutText, InlineTextBox* inlineTextBox) | 49 AbstractInlineTextBox(LineLayoutText lineLayoutItem, InlineTextBox* inlineTe
xtBox) |
| 50 : m_layoutText(layoutText) | 50 : m_lineLayoutItem(lineLayoutItem) |
| 51 , m_inlineTextBox(inlineTextBox) | 51 , m_inlineTextBox(inlineTextBox) |
| 52 { | 52 { |
| 53 } | 53 } |
| 54 | 54 |
| 55 static PassRefPtr<AbstractInlineTextBox> getOrCreate(LayoutText*, InlineText
Box*); | 55 static PassRefPtr<AbstractInlineTextBox> getOrCreate(LineLayoutText, InlineT
extBox*); |
| 56 static void willDestroy(InlineTextBox*); | 56 static void willDestroy(InlineTextBox*); |
| 57 | 57 |
| 58 friend class LayoutText; | 58 friend class LayoutText; |
| 59 friend class InlineTextBox; | 59 friend class InlineTextBox; |
| 60 | 60 |
| 61 public: | 61 public: |
| 62 struct WordBoundaries { | 62 struct WordBoundaries { |
| 63 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); | 63 DISALLOW_NEW_EXCEPT_PLACEMENT_NEW(); |
| 64 WordBoundaries(int startIndex, int endIndex) : startIndex(startIndex), e
ndIndex(endIndex) { } | 64 WordBoundaries(int startIndex, int endIndex) : startIndex(startIndex), e
ndIndex(endIndex) { } |
| 65 int startIndex; | 65 int startIndex; |
| 66 int endIndex; | 66 int endIndex; |
| 67 }; | 67 }; |
| 68 | 68 |
| 69 enum Direction { | 69 enum Direction { |
| 70 LeftToRight, | 70 LeftToRight, |
| 71 RightToLeft, | 71 RightToLeft, |
| 72 TopToBottom, | 72 TopToBottom, |
| 73 BottomToTop | 73 BottomToTop |
| 74 }; | 74 }; |
| 75 | 75 |
| 76 ~AbstractInlineTextBox(); | 76 ~AbstractInlineTextBox(); |
| 77 | 77 |
| 78 LayoutText* layoutText() const { return m_layoutText; } | 78 LineLayoutText lineLayoutItem() const { return m_lineLayoutItem; } |
| 79 | 79 |
| 80 PassRefPtr<AbstractInlineTextBox> nextInlineTextBox() const; | 80 PassRefPtr<AbstractInlineTextBox> nextInlineTextBox() const; |
| 81 LayoutRect bounds() const; | 81 LayoutRect bounds() const; |
| 82 unsigned len() const; | 82 unsigned len() const; |
| 83 Direction direction() const; | 83 Direction direction() const; |
| 84 void characterWidths(Vector<float>&) const; | 84 void characterWidths(Vector<float>&) const; |
| 85 void wordBoundaries(Vector<WordBoundaries>&) const; | 85 void wordBoundaries(Vector<WordBoundaries>&) const; |
| 86 String text() const; | 86 String text() const; |
| 87 bool isFirst() const; | 87 bool isFirst() const; |
| 88 bool isLast() const; | 88 bool isLast() const; |
| 89 PassRefPtr<AbstractInlineTextBox> nextOnLine() const; | 89 PassRefPtr<AbstractInlineTextBox> nextOnLine() const; |
| 90 PassRefPtr<AbstractInlineTextBox> previousOnLine() const; | 90 PassRefPtr<AbstractInlineTextBox> previousOnLine() const; |
| 91 | 91 |
| 92 private: | 92 private: |
| 93 void detach(); | 93 void detach(); |
| 94 | 94 |
| 95 // Weak ptrs; these are nulled when InlineTextBox::destroy() calls AbstractI
nlineTextBox::willDestroy. | 95 // Weak ptrs; these are nulled when InlineTextBox::destroy() calls AbstractI
nlineTextBox::willDestroy. |
| 96 LayoutText* m_layoutText; | 96 LineLayoutText m_lineLayoutItem; |
| 97 InlineTextBox* m_inlineTextBox; | 97 InlineTextBox* m_inlineTextBox; |
| 98 | 98 |
| 99 typedef HashMap<InlineTextBox*, RefPtr<AbstractInlineTextBox>> InlineToAbstr
actInlineTextBoxHashMap; | 99 typedef HashMap<InlineTextBox*, RefPtr<AbstractInlineTextBox>> InlineToAbstr
actInlineTextBoxHashMap; |
| 100 static InlineToAbstractInlineTextBoxHashMap* gAbstractInlineTextBoxMap; | 100 static InlineToAbstractInlineTextBoxHashMap* gAbstractInlineTextBoxMap; |
| 101 }; | 101 }; |
| 102 | 102 |
| 103 } // namespace blink | 103 } // namespace blink |
| 104 | 104 |
| 105 #endif // AbstractInlineTextBox_h | 105 #endif // AbstractInlineTextBox_h |
| OLD | NEW |