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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2010 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 HTMLTextAreaElement_h
#define HTMLTextAreaElement_h
#include "HTMLFormControlElement.h"
namespace WebCore {
class BeforeTextInsertedEvent;
class VisibleSelection;
class HTMLTextAreaElement : public HTMLTextFormControlElement {
public:
static PassRefPtr<HTMLTextAreaElement> create(const QualifiedName&, Document*, HTMLFormElement*);
int cols() const { return m_cols; }
int rows() const { return m_rows; }
bool shouldWrapText() const { return m_wrap != NoWrap; }
virtual String value() const;
void setValue(const String&);
String defaultValue() const;
void setDefaultValue(const String&);
int textLength() const { return value().length(); }
virtual int maxLength() const;
void setMaxLength(int, ExceptionCode&);
bool valueMissing(const String& value) const { return isRequiredFormControl() && !disabled() && !readOnly() && value.isEmpty(); }
bool tooLong(const String&, NeedsToCheckDirtyFlag) const;
bool isValidValue(const String&) const;
void rendererWillBeDestroyed();
void setCols(int);
void setRows(int);
bool lastChangeWasUserEdit() const;
void cacheSelection(int s, int e) { m_cachedSelectionStart = s; m_cachedSelectionEnd = e; };
private:
HTMLTextAreaElement(const QualifiedName&, Document*, HTMLFormElement*);
enum WrapMethod { NoWrap, SoftWrap, HardWrap };
void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*) const;
static String sanitizeUserInputValue(const String&, unsigned maxLength);
void updateValue() const;
void setNonDirtyValue(const String&);
void setValueCommon(const String&);
virtual bool supportsPlaceholder() const { return true; }
virtual bool isEmptyValue() const { return value().isEmpty(); }
virtual int cachedSelectionStart() const { return m_cachedSelectionStart; }
virtual int cachedSelectionEnd() const { return m_cachedSelectionEnd; }
virtual bool isOptionalFormControl() const { return !isRequiredFormControl(); }
virtual bool isRequiredFormControl() const { return required(); }
virtual void defaultEventHandler(Event*);
virtual bool isEnumeratable() const { return true; }
virtual const AtomicString& formControlType() const;
virtual bool saveFormControlState(String& value) const;
virtual void restoreFormControlState(const String&);
virtual bool isTextFormControl() const { return true; }
virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
virtual void parseMappedAttribute(Attribute*);
virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
virtual bool appendFormData(FormDataList&, bool);
virtual void reset();
virtual bool isMouseFocusable() const;
virtual bool isKeyboardFocusable(KeyboardEvent*) const;
virtual void updateFocusAppearance(bool restorePreviousSelection);
virtual void accessKeyAction(bool sendToAnyElement);
virtual bool shouldUseInputMethod() const;
int m_rows;
int m_cols;
WrapMethod m_wrap;
mutable String m_value;
int m_cachedSelectionStart;
int m_cachedSelectionEnd;
mutable bool m_isDirty;
};
} //namespace
#endif
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