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| 1 /* |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| 4 * (C) 2007 David Smith (catfish.man@gmail.com) |
| 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
All rights reserved. |
| 6 * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| 7 * |
| 8 * This library is free software; you can redistribute it and/or |
| 9 * modify it under the terms of the GNU Library General Public |
| 10 * License as published by the Free Software Foundation; either |
| 11 * version 2 of the License, or (at your option) any later version. |
| 12 * |
| 13 * This library is distributed in the hope that it will be useful, |
| 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 16 * Library General Public License for more details. |
| 17 * |
| 18 * You should have received a copy of the GNU Library General Public License |
| 19 * along with this library; see the file COPYING.LIB. If not, write to |
| 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 21 * Boston, MA 02110-1301, USA. |
| 22 */ |
| 23 |
| 24 #ifndef FirstLetterPseudoElement_h |
| 25 #define FirstLetterPseudoElement_h |
| 26 |
| 27 #include "core/dom/Document.h" |
| 28 #include "core/dom/PseudoElement.h" |
| 29 #include "wtf/text/WTFString.h" |
| 30 |
| 31 namespace blink { |
| 32 |
| 33 class Element; |
| 34 class RenderObject; |
| 35 class RenderTextFragment; |
| 36 |
| 37 class FirstLetterPseudoElement final : public PseudoElement { |
| 38 WTF_MAKE_NONCOPYABLE(FirstLetterPseudoElement); |
| 39 public: |
| 40 static PassRefPtrWillBeRawPtr<FirstLetterPseudoElement> create(Element* pare
nt) |
| 41 { |
| 42 return adoptRefWillBeNoop(new FirstLetterPseudoElement(parent)); |
| 43 } |
| 44 |
| 45 virtual ~FirstLetterPseudoElement(); |
| 46 virtual void trace(Visitor*) override; |
| 47 |
| 48 static RenderObject* firstLetterTextRenderer(const Element&); |
| 49 static unsigned firstLetterLength(const String&); |
| 50 |
| 51 void setRemainingTextRenderer(RenderTextFragment* fragment) { m_remainingTex
tRenderer = fragment; } |
| 52 RenderTextFragment* remainingTextRenderer() const { return m_remainingTextRe
nderer; } |
| 53 |
| 54 void setNeedsUpdate(); |
| 55 bool needsUpdate() const { return m_needsUpdate; } |
| 56 |
| 57 virtual void attach(const AttachContext& = AttachContext()) override; |
| 58 virtual void detach(const AttachContext& = AttachContext()) override; |
| 59 |
| 60 private: |
| 61 explicit FirstLetterPseudoElement(Element*); |
| 62 |
| 63 virtual void didRecalcStyle(StyleRecalcChange) override; |
| 64 |
| 65 void attachFirstLetterTextRenderers(); |
| 66 RenderStyle* styleForFirstLetter(RenderObject*); |
| 67 |
| 68 RawPtrWillBeMember<RenderTextFragment> m_remainingTextRenderer; |
| 69 bool m_needsUpdate; |
| 70 bool m_isInDetach; |
| 71 }; |
| 72 |
| 73 DEFINE_ELEMENT_TYPE_CASTS(FirstLetterPseudoElement, isFirstLetterPseudoElement()
); |
| 74 |
| 75 } // namespace blink |
| 76 |
| 77 #endif // FirstLetterPseudoElement_h |
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