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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 "HTMLTextFormControlElement.h"
namespace WebCore {
class BeforeTextInsertedEvent;
class VisibleSelection;
class HTMLTextAreaElement FINAL : 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&);
// For ValidityState
virtual String validationMessage() const OVERRIDE;
virtual bool valueMissing() const OVERRIDE;
virtual bool tooLong() const OVERRIDE;
bool isValidValue(const String&) const;
virtual HTMLElement* innerTextElement() const;
void rendererWillBeDestroyed();
void setCols(int);
void setRows(int);
private:
HTMLTextAreaElement(const QualifiedName&, Document*, HTMLFormElement*);
enum WrapMethod { NoWrap, SoftWrap, HardWrap };
virtual void didAddUserAgentShadowRoot(ShadowRoot*) OVERRIDE;
virtual bool areAuthorShadowsAllowed() const OVERRIDE { return false; }
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 HTMLElement* placeholderElement() const;
virtual void updatePlaceholderText();
virtual bool isEmptyValue() const { return value().isEmpty(); }
virtual bool isOptionalFormControl() const { return !isRequiredFormControl(); }
virtual bool isRequiredFormControl() const { return isRequired(); }
virtual void defaultEventHandler(Event*);
virtual void subtreeHasChanged();
virtual bool isEnumeratable() const { return true; }
virtual bool supportLabels() const OVERRIDE { return true; }
virtual const AtomicString& formControlType() const;
virtual FormControlState saveFormControlState() const OVERRIDE;
virtual void restoreFormControlState(const FormControlState&) OVERRIDE;
virtual bool isTextFormControl() const { return true; }
virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) OVERRIDE;
virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
virtual bool appendFormData(FormDataList&, bool);
virtual void reset();
virtual bool hasCustomFocusLogic() const OVERRIDE;
virtual bool isMouseFocusable() const OVERRIDE;
virtual bool isKeyboardFocusable(KeyboardEvent*) const OVERRIDE;
virtual void updateFocusAppearance(bool restorePreviousSelection);
virtual void accessKeyAction(bool sendMouseEvents);
virtual bool shouldUseInputMethod() OVERRIDE;
virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
virtual bool matchesReadOnlyPseudoClass() const OVERRIDE;
virtual bool matchesReadWritePseudoClass() const OVERRIDE;
bool valueMissing(const String& value) const { return isRequiredFormControl() && !isDisabledOrReadOnly() && value.isEmpty(); }
bool tooLong(const String&, NeedsToCheckDirtyFlag) const;
int m_rows;
int m_cols;
WrapMethod m_wrap;
HTMLElement* m_placeholder;
mutable String m_value;
mutable bool m_isDirty;
mutable bool m_wasModifiedByUser;
};
inline bool isHTMLTextAreaElement(Node* node)
{
return node->hasTagName(HTMLNames::textareaTag);
}
inline bool isHTMLTextAreaElement(Element* element)
{
return element->hasTagName(HTMLNames::textareaTag);
}
inline HTMLTextAreaElement* toHTMLTextAreaElement(Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLTextAreaElement(node));
return static_cast<HTMLTextAreaElement*>(node);
}
} //namespace
#endif
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