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| 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 14 matching lines...) Expand all Loading... |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 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/dom/Range.h" | 34 #include "core/dom/Range.h" |
| 35 #include "core/layout/LayoutText.h" |
| 35 #include "core/layout/line/FloatToLayoutUnit.h" | 36 #include "core/layout/line/FloatToLayoutUnit.h" |
| 36 #include "core/layout/line/InlineTextBox.h" | 37 #include "core/layout/line/InlineTextBox.h" |
| 37 #include "core/rendering/RenderText.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 AbstractInlineTextBox : public RefCounted<AbstractInlineTextBox> { | 47 class AbstractInlineTextBox : public RefCounted<AbstractInlineTextBox> { |
| 48 private: | 48 private: |
| 49 AbstractInlineTextBox(RenderText* renderText, InlineTextBox* inlineTextBox) | 49 AbstractInlineTextBox(LayoutText* renderText, InlineTextBox* inlineTextBox) |
| 50 : m_renderText(renderText) | 50 : m_renderText(renderText) |
| 51 , m_inlineTextBox(inlineTextBox) | 51 , m_inlineTextBox(inlineTextBox) |
| 52 { | 52 { |
| 53 } | 53 } |
| 54 | 54 |
| 55 static PassRefPtr<AbstractInlineTextBox> getOrCreate(RenderText*, InlineText
Box*); | 55 static PassRefPtr<AbstractInlineTextBox> getOrCreate(LayoutText*, InlineText
Box*); |
| 56 static void willDestroy(InlineTextBox*); | 56 static void willDestroy(InlineTextBox*); |
| 57 | 57 |
| 58 friend class RenderText; | 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 WordBoundaries(int startIndex, int endIndex) : startIndex(startIndex), e
ndIndex(endIndex) { } | 63 WordBoundaries(int startIndex, int endIndex) : startIndex(startIndex), e
ndIndex(endIndex) { } |
| 64 int startIndex; | 64 int startIndex; |
| 65 int endIndex; | 65 int endIndex; |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 enum Direction { | 68 enum Direction { |
| 69 LeftToRight, | 69 LeftToRight, |
| 70 RightToLeft, | 70 RightToLeft, |
| 71 TopToBottom, | 71 TopToBottom, |
| 72 BottomToTop | 72 BottomToTop |
| 73 }; | 73 }; |
| 74 | 74 |
| 75 RenderText* renderText() const { return m_renderText; } | 75 LayoutText* renderText() const { return m_renderText; } |
| 76 | 76 |
| 77 PassRefPtr<AbstractInlineTextBox> nextInlineTextBox() const; | 77 PassRefPtr<AbstractInlineTextBox> nextInlineTextBox() const; |
| 78 LayoutRect bounds() const; | 78 LayoutRect bounds() const; |
| 79 unsigned len() const; | 79 unsigned len() const; |
| 80 Direction direction() const; | 80 Direction direction() const; |
| 81 void characterWidths(Vector<FloatWillBeLayoutUnit>&) const; | 81 void characterWidths(Vector<FloatWillBeLayoutUnit>&) const; |
| 82 void wordBoundaries(Vector<WordBoundaries>&) const; | 82 void wordBoundaries(Vector<WordBoundaries>&) const; |
| 83 String text() const; | 83 String text() const; |
| 84 | 84 |
| 85 private: | 85 private: |
| 86 void detach(); | 86 void detach(); |
| 87 | 87 |
| 88 // Weak ptrs; these are nulled when InlineTextBox::destroy() calls AbstractI
nlineTextBox::willDestroy. | 88 // Weak ptrs; these are nulled when InlineTextBox::destroy() calls AbstractI
nlineTextBox::willDestroy. |
| 89 RenderText* m_renderText; | 89 LayoutText* m_renderText; |
| 90 InlineTextBox* m_inlineTextBox; | 90 InlineTextBox* m_inlineTextBox; |
| 91 | 91 |
| 92 typedef HashMap<InlineTextBox*, RefPtr<AbstractInlineTextBox>> InlineToAbstr
actInlineTextBoxHashMap; | 92 typedef HashMap<InlineTextBox*, RefPtr<AbstractInlineTextBox>> InlineToAbstr
actInlineTextBoxHashMap; |
| 93 static InlineToAbstractInlineTextBoxHashMap* gAbstractInlineTextBoxMap; | 93 static InlineToAbstractInlineTextBoxHashMap* gAbstractInlineTextBoxMap; |
| 94 }; | 94 }; |
| 95 | 95 |
| 96 } // namespace blink | 96 } // namespace blink |
| 97 | 97 |
| 98 #endif // AbstractInlineTextBox_h | 98 #endif // AbstractInlineTextBox_h |
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