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/**
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* 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"
#if ENABLE(WML)
#include "WMLDoElement.h"
#include "Attribute.h"
#include "BackForwardController.h"
#include "Event.h"
#include "EventNames.h"
#include "HTMLNames.h"
#include "KeyboardEvent.h"
#include "Page.h"
#include "RenderButton.h"
#include "WMLCardElement.h"
#include "WMLDocument.h"
#include "WMLNames.h"
#include "WMLPageState.h"
#include "WMLTaskElement.h"
#include "WMLTimerElement.h"
#include "WMLVariables.h"
namespace WebCore {
using namespace WMLNames;
WMLDoElement::WMLDoElement(const QualifiedName& tagName, Document* doc)
: WMLElement(tagName, doc)
, m_task(0)
, m_isActive(false)
, m_isNoop(false)
, m_isOptional(false)
{
}
PassRefPtr<WMLDoElement> WMLDoElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new WMLDoElement(tagName, document));
}
void WMLDoElement::defaultEventHandler(Event* event)
{
if (m_isOptional)
return;
if (event->type() == eventNames().keypressEvent) {
WMLElement::defaultEventHandler(event);
return;
}
if (event->type() != eventNames().clickEvent && event->type() != eventNames().keydownEvent)
return;
if (event->isKeyboardEvent()
&& static_cast<KeyboardEvent*>(event)->keyIdentifier() != "Enter")
return;
if (m_type == "accept" || m_type == "options") {
if (m_task)
m_task->executeTask();
} else if (m_type == "prev") {
ASSERT(document()->isWMLDocument());
WMLDocument* document = static_cast<WMLDocument*>(this->document());
WMLPageState* pageState = wmlPageStateForDocument(document);
if (!pageState)
return;
// Stop the timer of the current card if it is active
if (WMLCardElement* card = document->activeCard()) {
if (WMLTimerElement* eventTimer = card->eventTimer())
eventTimer->stop();
}
pageState->page()->backForward()->goBack();
} else if (m_type == "reset") {
WMLPageState* pageState = wmlPageStateForDocument(document());
if (!pageState)
return;
pageState->reset();
}
}
void WMLDoElement::parseMappedAttribute(Attribute* attr)
{
if (attr->name() == HTMLNames::typeAttr)
m_type = parseValueForbiddingVariableReferences(attr->value());
else if (attr->name() == HTMLNames::nameAttr)
m_name = parseValueForbiddingVariableReferences(attr->value());
else if (attr->name() == optionalAttr)
m_isOptional = (attr->value() == "true");
else
WMLElement::parseMappedAttribute(attr);
}
void WMLDoElement::insertedIntoDocument()
{
WMLElement::insertedIntoDocument();
// Spec: An unspecified 'name' defaults to the value of the 'type' attribute.
if (!hasAttribute(HTMLNames::nameAttr))
m_name = m_type;
ContainerNode* parent = parentNode();
if (!parent || !parent->isWMLElement())
return;
if (WMLEventHandlingElement* eventHandlingElement = toWMLEventHandlingElement(static_cast<WMLElement*>(parent)))
eventHandlingElement->registerDoElement(this, document());
}
void WMLDoElement::removedFromDocument()
{
ContainerNode* parent = parentNode();
if (parent && parent->isWMLElement()) {
if (WMLEventHandlingElement* eventHandlingElement = toWMLEventHandlingElement(static_cast<WMLElement*>(parent)))
eventHandlingElement->deregisterDoElement(this);
}
WMLElement::removedFromDocument();
}
void WMLDoElement::attach()
{
WMLElement::attach();
// The call to updateFromElement() needs to go after the call through
// to the base class's attach() because that can sometimes do a close
// on the renderer.
if (renderer())
renderer()->updateFromElement();
}
RenderObject* WMLDoElement::createRenderer(RenderArena* arena, RenderStyle* style)
{
if (!m_isActive || m_isOptional || m_isNoop)
return 0;
if (style) {
style->setUnique();
style->setBackgroundColor(Color::lightGray);
}
return new (arena) RenderButton(this);
}
void WMLDoElement::recalcStyle(StyleChange change)
{
WMLElement::recalcStyle(change);
if (renderer())
renderer()->updateFromElement();
}
void WMLDoElement::registerTask(WMLTaskElement* task)
{
ASSERT(!m_task);
m_task = task;
}
void WMLDoElement::deregisterTask(WMLTaskElement* task)
{
ASSERT_UNUSED(task, m_task == task);
m_task = 0;
}
String WMLDoElement::label() const
{
return parseValueSubstitutingVariableReferences(getAttribute(HTMLNames::labelAttr));
}
}
#endif