| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. 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 Text_h |
| #define Text_h |
| |
| #include "core/CoreExport.h" |
| #include "core/dom/CharacterData.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class LayoutText; |
| |
| class CORE_EXPORT Text : public CharacterData { |
| DEFINE_WRAPPERTYPEINFO(); |
| public: |
| static const unsigned defaultLengthLimit = 1 << 16; |
| |
| static PassRefPtrWillBeRawPtr<Text> create(Document&, const String&); |
| static PassRefPtrWillBeRawPtr<Text> createEditingText(Document&, const String&); |
| |
| LayoutText* layoutObject() const; |
| |
| // mergeNextSiblingNodesIfPossible() merges next sibling nodes if possible |
| // then returns a node not merged. |
| PassRefPtrWillBeRawPtr<Node> mergeNextSiblingNodesIfPossible(); |
| PassRefPtrWillBeRawPtr<Text> splitText(unsigned offset, ExceptionState&); |
| |
| // DOM Level 3: http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1312295772 |
| |
| String wholeText() const; |
| PassRefPtrWillBeRawPtr<Text> replaceWholeText(const String&); |
| |
| void recalcTextStyle(StyleRecalcChange, Text* nextTextSibling); |
| bool textLayoutObjectIsNeeded(const ComputedStyle&, const LayoutObject& parent); |
| LayoutText* createTextLayoutObject(const ComputedStyle&); |
| void updateTextLayoutObject(unsigned offsetOfReplacedData, unsigned lengthOfReplacedData, RecalcStyleBehavior = DoNotRecalcStyle); |
| |
| void attach(const AttachContext& = AttachContext()) final; |
| void reattachIfNeeded(const AttachContext& = AttachContext()); |
| |
| bool canContainRangeEndPoint() const final { return true; } |
| NodeType nodeType() const override; |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| protected: |
| Text(TreeScope& treeScope, const String& data, ConstructionType type) |
| : CharacterData(treeScope, data, type) { } |
| |
| private: |
| String nodeName() const override; |
| PassRefPtrWillBeRawPtr<Node> cloneNode(bool deep) final; |
| |
| bool isTextNode() const = delete; // This will catch anyone doing an unnecessary check. |
| |
| bool needsWhitespaceLayoutObject(); |
| |
| virtual PassRefPtrWillBeRawPtr<Text> cloneWithData(const String&); |
| |
| #ifndef NDEBUG |
| void formatForDebugger(char* buffer, unsigned length) const override; |
| #endif |
| }; |
| |
| DEFINE_NODE_TYPE_CASTS(Text, isTextNode()); |
| |
| } // namespace blink |
| |
| #endif // Text_h |