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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
* (C) 2006 Alexey Proskuryakov (ap@nypop.com)
* Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
*
* 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.
*
*/
#include "config.h"
#include "HTMLButtonElement.h"
#include "Attribute.h"
#include "EventNames.h"
#include "FormDataList.h"
#include "HTMLFormElement.h"
#include "HTMLNames.h"
#include "KeyboardEvent.h"
#include "RenderButton.h"
#include "ScriptEventListener.h"
#include <wtf/StdLibExtras.h>
namespace WebCore {
using namespace HTMLNames;
inline HTMLButtonElement::HTMLButtonElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
: HTMLFormControlElement(tagName, document, form)
, m_type(SUBMIT)
, m_isActivatedSubmit(false)
{
ASSERT(hasTagName(buttonTag));
}
PassRefPtr<HTMLButtonElement> HTMLButtonElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
{
return adoptRef(new HTMLButtonElement(tagName, document, form));
}
void HTMLButtonElement::setType(const AtomicString& type)
{
setAttribute(typeAttr, type);
}
RenderObject* HTMLButtonElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderButton(this);
}
const AtomicString& HTMLButtonElement::formControlType() const
{
switch (m_type) {
case SUBMIT: {
DEFINE_STATIC_LOCAL(const AtomicString, submit, ("submit", AtomicString::ConstructFromLiteral));
return submit;
}
case BUTTON: {
DEFINE_STATIC_LOCAL(const AtomicString, button, ("button", AtomicString::ConstructFromLiteral));
return button;
}
case RESET: {
DEFINE_STATIC_LOCAL(const AtomicString, reset, ("reset", AtomicString::ConstructFromLiteral));
return reset;
}
}
ASSERT_NOT_REACHED();
return emptyAtom;
}
bool HTMLButtonElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == alignAttr) {
// Don't map 'align' attribute. This matches what Firefox and IE do, but not Opera.
// See http://bugs.webkit.org/show_bug.cgi?id=12071
return false;
}
return HTMLFormControlElement::isPresentationAttribute(name);
}
void HTMLButtonElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == typeAttr) {
if (equalIgnoringCase(value, "reset"))
m_type = RESET;
else if (equalIgnoringCase(value, "button"))
m_type = BUTTON;
else
m_type = SUBMIT;
setNeedsWillValidateCheck();
} else
HTMLFormControlElement::parseAttribute(name, value);
}
void HTMLButtonElement::defaultEventHandler(Event* event)
{
if (event->type() == eventNames().DOMActivateEvent && !isDisabledFormControl()) {
if (form() && m_type == SUBMIT) {
m_isActivatedSubmit = true;
form()->prepareForSubmission(event);
event->setDefaultHandled();
m_isActivatedSubmit = false; // Do this in case submission was canceled.
}
if (form() && m_type == RESET) {
form()->reset();
event->setDefaultHandled();
}
}
if (event->isKeyboardEvent()) {
if (event->type() == eventNames().keydownEvent && static_cast<KeyboardEvent*>(event)->keyIdentifier() == "U+0020") {
setActive(true, true);
// No setDefaultHandled() - IE dispatches a keypress in this case.
return;
}
if (event->type() == eventNames().keypressEvent) {
switch (static_cast<KeyboardEvent*>(event)->charCode()) {
case '\r':
dispatchSimulatedClick(event);
event->setDefaultHandled();
return;
case ' ':
// Prevent scrolling down the page.
event->setDefaultHandled();
return;
}
}
if (event->type() == eventNames().keyupEvent && static_cast<KeyboardEvent*>(event)->keyIdentifier() == "U+0020") {
if (active())
dispatchSimulatedClick(event);
event->setDefaultHandled();
return;
}
}
HTMLFormControlElement::defaultEventHandler(event);
}
bool HTMLButtonElement::willRespondToMouseClickEvents()
{
if (!isDisabledFormControl() && form() && (m_type == SUBMIT || m_type == RESET))
return true;
return HTMLFormControlElement::willRespondToMouseClickEvents();
}
bool HTMLButtonElement::isSuccessfulSubmitButton() const
{
// HTML spec says that buttons must have names to be considered successful.
// However, other browsers do not impose this constraint.
return m_type == SUBMIT && !isDisabledFormControl();
}
bool HTMLButtonElement::isActivatedSubmit() const
{
return m_isActivatedSubmit;
}
void HTMLButtonElement::setActivatedSubmit(bool flag)
{
m_isActivatedSubmit = flag;
}
bool HTMLButtonElement::appendFormData(FormDataList& formData, bool)
{
if (m_type != SUBMIT || name().isEmpty() || !m_isActivatedSubmit)
return false;
formData.appendData(name(), value());
return true;
}
void HTMLButtonElement::accessKeyAction(bool sendMouseEvents)
{
focus();
dispatchSimulatedClick(0, sendMouseEvents ? SendMouseUpDownEvents : SendNoEvents);
}
bool HTMLButtonElement::isURLAttribute(const Attribute& attribute) const
{
return attribute.name() == formactionAttr || HTMLFormControlElement::isURLAttribute(attribute);
}
String HTMLButtonElement::value() const
{
return getAttribute(valueAttr);
}
bool HTMLButtonElement::recalcWillValidate() const
{
return m_type == SUBMIT && HTMLFormControlElement::recalcWillValidate();
}
} // namespace
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