| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2007 David Smith (catfish.man@gmail.com) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. |
| * All rights reserved. |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef FirstLetterPseudoElement_h |
| #define FirstLetterPseudoElement_h |
| |
| #include "core/dom/Document.h" |
| #include "core/dom/PseudoElement.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class Element; |
| class LayoutObject; |
| class LayoutTextFragment; |
| |
| class FirstLetterPseudoElement final : public PseudoElement { |
| WTF_MAKE_NONCOPYABLE(FirstLetterPseudoElement); |
| |
| public: |
| static FirstLetterPseudoElement* create(Element* parent) { |
| return new FirstLetterPseudoElement(parent); |
| } |
| |
| ~FirstLetterPseudoElement() override; |
| |
| static LayoutObject* firstLetterTextLayoutObject(const Element&); |
| static unsigned firstLetterLength(const String&); |
| |
| void setRemainingTextLayoutObject(LayoutTextFragment*); |
| LayoutTextFragment* remainingTextLayoutObject() const { |
| return m_remainingTextLayoutObject; |
| } |
| |
| void updateTextFragments(); |
| |
| void attachLayoutTree(const AttachContext& = AttachContext()) override; |
| void detachLayoutTree(const AttachContext& = AttachContext()) override; |
| |
| private: |
| explicit FirstLetterPseudoElement(Element*); |
| |
| void didRecalcStyle(StyleRecalcChange) override; |
| |
| void attachFirstLetterTextLayoutObjects(); |
| ComputedStyle* styleForFirstLetter(LayoutObject*); |
| |
| LayoutTextFragment* m_remainingTextLayoutObject; |
| }; |
| |
| DEFINE_ELEMENT_TYPE_CASTS(FirstLetterPseudoElement, |
| isFirstLetterPseudoElement()); |
| |
| } // namespace blink |
| |
| #endif // FirstLetterPseudoElement_h |