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/*
* Copyright (c) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "HTMLOutputElement.h"
#include "ExceptionCodePlaceholder.h"
#include "HTMLFormElement.h"
#include "HTMLNames.h"
namespace WebCore {
inline HTMLOutputElement::HTMLOutputElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
: HTMLFormControlElement(tagName, document, form)
, m_isDefaultValueMode(true)
, m_isSetTextContentInProgress(false)
, m_defaultValue("")
, m_tokens(DOMSettableTokenList::create())
{
}
PassRefPtr<HTMLOutputElement> HTMLOutputElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
{
return adoptRef(new HTMLOutputElement(tagName, document, form));
}
const AtomicString& HTMLOutputElement::formControlType() const
{
DEFINE_STATIC_LOCAL(const AtomicString, output, ("output", AtomicString::ConstructFromLiteral));
return output;
}
bool HTMLOutputElement::supportsFocus() const
{
return HTMLElement::supportsFocus();
}
void HTMLOutputElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == HTMLNames::forAttr)
setFor(value);
else
HTMLFormControlElement::parseAttribute(name, value);
}
DOMSettableTokenList* HTMLOutputElement::htmlFor() const
{
return m_tokens.get();
}
void HTMLOutputElement::setFor(const String& value)
{
m_tokens->setValue(value);
}
void HTMLOutputElement::childrenChanged(bool createdByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
{
HTMLFormControlElement::childrenChanged(createdByParser, beforeChange, afterChange, childCountDelta);
if (createdByParser || m_isSetTextContentInProgress) {
m_isSetTextContentInProgress = false;
return;
}
if (m_isDefaultValueMode)
m_defaultValue = textContent();
}
void HTMLOutputElement::reset()
{
// The reset algorithm for output elements is to set the element's
// value mode flag to "default" and then to set the element's textContent
// attribute to the default value.
m_isDefaultValueMode = true;
if (m_defaultValue == value())
return;
setTextContentInternal(m_defaultValue);
}
String HTMLOutputElement::value() const
{
return textContent();
}
void HTMLOutputElement::setValue(const String& value)
{
// The value mode flag set to "value" when the value attribute is set.
m_isDefaultValueMode = false;
if (value == this->value())
return;
setTextContentInternal(value);
}
String HTMLOutputElement::defaultValue() const
{
return m_defaultValue;
}
void HTMLOutputElement::setDefaultValue(const String& value)
{
if (m_defaultValue == value)
return;
m_defaultValue = value;
// The spec requires the value attribute set to the default value
// when the element's value mode flag to "default".
if (m_isDefaultValueMode)
setTextContentInternal(value);
}
void HTMLOutputElement::setTextContentInternal(const String& value)
{
ASSERT(!m_isSetTextContentInProgress);
m_isSetTextContentInProgress = true;
setTextContent(value, IGNORE_EXCEPTION);
}
} // namespace
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