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1 /* | 1 /* |
2 * (C) 1999 Lars Knoll (knoll@kde.org) | 2 * (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 2000 Dirk Mueller (mueller@kde.org) | 3 * (C) 2000 Dirk Mueller (mueller@kde.org) |
4 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | 4 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
11 * This library is distributed in the hope that it will be useful, | 11 * This library is distributed in the hope that it will be useful, |
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 * Library General Public License for more details. | 14 * Library General Public License for more details. |
15 * | 15 * |
16 * You should have received a copy of the GNU Library General Public License | 16 * You should have received a copy of the GNU Library General Public License |
17 * along with this library; see the file COPYING.LIB. If not, write to | 17 * along with this library; see the file COPYING.LIB. If not, write to |
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
19 * Boston, MA 02110-1301, USA. | 19 * Boston, MA 02110-1301, USA. |
20 * | 20 * |
21 */ | 21 */ |
22 | 22 |
23 #ifndef RenderTextFragment_h | 23 #ifndef RenderTextFragment_h |
24 #define RenderTextFragment_h | 24 #define RenderTextFragment_h |
25 | 25 |
26 #include "core/rendering/RenderText.h" | 26 #include "core/rendering/RenderText.h" |
27 | 27 |
28 namespace blink { | 28 namespace blink { |
29 | 29 |
30 class FirstLetterPseudoElement; | |
31 | |
30 // Used to represent a text substring of an element, e.g., for text runs that ar e split because of | 32 // Used to represent a text substring of an element, e.g., for text runs that ar e split because of |
31 // first letter and that must therefore have different styles (and positions in the render tree). | 33 // first letter and that must therefore have different styles (and positions in the render tree). |
32 // We cache offsets so that text transformations can be applied in such a way th at we can recover | 34 // We cache offsets so that text transformations can be applied in such a way th at we can recover |
33 // the original unaltered string from our corresponding DOM node. | 35 // the original unaltered string from our corresponding DOM node. |
34 class RenderTextFragment final : public RenderText { | 36 class RenderTextFragment final : public RenderText { |
35 public: | 37 public: |
36 RenderTextFragment(Node*, StringImpl*, int startOffset, int length); | 38 RenderTextFragment(Node*, StringImpl*, int startOffset, int length); |
37 RenderTextFragment(Node*, StringImpl*); | 39 RenderTextFragment(Node*, StringImpl*); |
38 virtual ~RenderTextFragment(); | 40 virtual ~RenderTextFragment(); |
39 virtual void trace(Visitor*) override; | 41 virtual void trace(Visitor*) override; |
40 | 42 |
41 virtual bool isTextFragment() const override { return true; } | 43 virtual bool isTextFragment() const override { return true; } |
42 | 44 |
43 virtual bool canBeSelectionLeaf() const override { return node() && node()-> hasEditableStyle(); } | 45 virtual bool canBeSelectionLeaf() const override { return node() && node()-> hasEditableStyle(); } |
44 | 46 |
45 unsigned start() const { return m_start; } | 47 unsigned start() const { return m_start; } |
46 unsigned end() const { return m_end; } | 48 unsigned end() const { return m_end; } |
47 virtual unsigned textStartOffset() const override { return start(); } | 49 virtual unsigned textStartOffset() const override { return start(); } |
48 | 50 |
49 RenderBoxModelObject* firstLetter() const { return m_firstLetter; } | |
50 void setFirstLetter(RenderBoxModelObject* firstLetter) { m_firstLetter = fir stLetter; } | |
51 RenderText* firstRenderTextInFirstLetter() const; | |
52 | |
53 StringImpl* contentString() const { return m_contentString.get(); } | 51 StringImpl* contentString() const { return m_contentString.get(); } |
52 PassRefPtr<StringImpl> completeText() const; | |
54 virtual PassRefPtr<StringImpl> originalText() const override; | 53 virtual PassRefPtr<StringImpl> originalText() const override; |
55 | 54 |
56 virtual void setText(PassRefPtr<StringImpl>, bool force = false) override; | 55 virtual void setText(PassRefPtr<StringImpl>, bool force = false) override; |
57 | 56 |
58 virtual void transformText() override; | 57 virtual void transformText() override; |
59 | 58 |
60 virtual const char* renderName() const override final { return "RenderTextFr agment"; } | 59 virtual const char* renderName() const override final { return "RenderTextFr agment"; } |
61 | 60 |
62 protected: | 61 void setFirstLetterPseudoElement(FirstLetterPseudoElement* element) { m_firs tLetterPseudoElement = element; } |
63 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) ov erride; | 62 FirstLetterPseudoElement* firstLetterPseudoElement() const { return m_firstL etterPseudoElement; } |
64 | 63 |
65 private: | 64 private: |
66 virtual void willBeDestroyed() override; | 65 RenderBlock* blockForAccompanyingFirstLetter() const; |
66 virtual UChar previousCharacter() const override; | |
67 virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&) overrid e; | |
Julien - ping for review
2014/10/09 18:24:48
Unrelated but it's weird that updateHitTestResult
dsinclair
2014/10/09 21:14:23
Acknowledged.
| |
67 | 68 |
68 virtual UChar previousCharacter() const override; | 69 Text* associatedTextNode() const; |
69 RenderBlock* blockForAccompanyingFirstLetter() const; | |
70 virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&) overrid e; | |
71 | 70 |
72 unsigned m_start; | 71 unsigned m_start; |
73 unsigned m_end; | 72 unsigned m_end; |
74 RefPtr<StringImpl> m_contentString; | 73 RefPtr<StringImpl> m_contentString; |
75 RawPtrWillBeMember<RenderBoxModelObject> m_firstLetter; | 74 RawPtrWillBeMember<FirstLetterPseudoElement> m_firstLetterPseudoElement; |
76 }; | 75 }; |
77 | 76 |
78 DEFINE_TYPE_CASTS(RenderTextFragment, RenderObject, object, toRenderText(object) ->isTextFragment(), toRenderText(object).isTextFragment()); | 77 DEFINE_TYPE_CASTS(RenderTextFragment, RenderObject, object, toRenderText(object) ->isTextFragment(), toRenderText(object).isTextFragment()); |
79 | 78 |
80 } // namespace blink | 79 } // namespace blink |
81 | 80 |
82 #endif // RenderTextFragment_h | 81 #endif // RenderTextFragment_h |
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