diff -r 000000000000 -r 4f2f89ce4247 WebCore/wml/WMLDoElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/wml/WMLDoElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,189 @@
+/**
+ * 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 "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)
+{
+}
+
+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()->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;
+
+    Node* parent = parentNode();
+    if (!parent || !parent->isWMLElement())
+        return;
+
+    if (WMLEventHandlingElement* eventHandlingElement = toWMLEventHandlingElement(static_cast<WMLElement*>(parent)))
+        eventHandlingElement->registerDoElement(this, document());
+}
+
+void WMLDoElement::removedFromDocument()
+{
+    Node* 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