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/*
* 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 Text* create(Document&, const String&);
static Text* createEditingText(Document&, const String&);
LayoutText* layoutObject() const;
// mergeNextSiblingNodesIfPossible() merges next sibling nodes if possible
// then returns a node not merged.
Node* mergeNextSiblingNodesIfPossible();
Text* splitText(unsigned offset, ExceptionState&);
// DOM Level 3: http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1312295772
String wholeText() const;
Text* replaceWholeText(const String&);
void recalcTextStyle(StyleRecalcChange, Text* nextTextSibling);
void rebuildTextLayoutTree(Text* nextTextSibling);
bool textLayoutObjectIsNeeded(const ComputedStyle&,
const LayoutObject& parent) const;
LayoutText* createTextLayoutObject(const ComputedStyle&);
void updateTextLayoutObject(unsigned offsetOfReplacedData,
unsigned lengthOfReplacedData);
void attachLayoutTree(const AttachContext& = AttachContext()) final;
void reattachLayoutTreeIfNeeded(const AttachContext& = AttachContext());
bool canContainRangeEndPoint() const final { return true; }
NodeType getNodeType() const override;
DECLARE_VIRTUAL_TRACE();
protected:
Text(TreeScope& treeScope, const String& data, ConstructionType type)
: CharacterData(treeScope, data, type) {}
private:
String nodeName() const override;
Node* cloneNode(bool deep) final;
bool isTextNode() const =
delete; // This will catch anyone doing an unnecessary check.
bool needsWhitespaceLayoutObject();
virtual Text* cloneWithData(const String&);
};
DEFINE_NODE_TYPE_CASTS(Text, isTextNode());
} // namespace blink
#endif // Text_h
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