diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/HTMLButtonElement.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLButtonElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,178 @@
+/*
+ * 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 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_activeSubmit(false)
+{
+    ASSERT(hasTagName(buttonTag));
+}
+
+PassRefPtr<HTMLButtonElement> HTMLButtonElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+{
+    return adoptRef(new HTMLButtonElement(tagName, document, form));
+}
+
+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"));
+            return submit;
+        }
+        case BUTTON: {
+            DEFINE_STATIC_LOCAL(const AtomicString, button, ("button"));
+            return button;
+        }
+        case RESET: {
+            DEFINE_STATIC_LOCAL(const AtomicString, reset, ("reset"));
+            return reset;
+        }
+    }
+
+    ASSERT_NOT_REACHED();
+    return emptyAtom;
+}
+
+void HTMLButtonElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == typeAttr) {
+        if (equalIgnoringCase(attr->value(), "reset"))
+            m_type = RESET;
+        else if (equalIgnoringCase(attr->value(), "button"))
+            m_type = BUTTON;
+        else
+            m_type = SUBMIT;
+    } else if (attr->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
+    } else
+        HTMLFormControlElement::parseMappedAttribute(attr);
+}
+
+void HTMLButtonElement::defaultEventHandler(Event* evt)
+{
+    if (evt->type() == eventNames().DOMActivateEvent && !disabled()) {
+        if (form() && m_type == SUBMIT) {
+            m_activeSubmit = true;
+            form()->prepareSubmit(evt);
+            m_activeSubmit = false; // in case we were canceled
+        }
+        if (form() && m_type == RESET)
+            form()->reset();
+    }
+
+    if (evt->isKeyboardEvent()) {
+        if (evt->type() == eventNames().keydownEvent && static_cast<KeyboardEvent*>(evt)->keyIdentifier() == "U+0020") {
+            setActive(true, true);
+            // No setDefaultHandled() - IE dispatches a keypress in this case.
+            return;
+        }
+        if (evt->type() == eventNames().keypressEvent) {
+            switch (static_cast<KeyboardEvent*>(evt)->charCode()) {
+                case '\r':
+                    dispatchSimulatedClick(evt);
+                    evt->setDefaultHandled();
+                    return;
+                case ' ':
+                    // Prevent scrolling down the page.
+                    evt->setDefaultHandled();
+                    return;
+                default:
+                    break;
+            }
+        }
+        if (evt->type() == eventNames().keyupEvent && static_cast<KeyboardEvent*>(evt)->keyIdentifier() == "U+0020") {
+            if (active())
+                dispatchSimulatedClick(evt);
+            evt->setDefaultHandled();
+            return;
+        }
+    }
+
+    HTMLFormControlElement::defaultEventHandler(evt);
+}
+
+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 && !disabled();
+}
+
+bool HTMLButtonElement::isActivatedSubmit() const
+{
+    return m_activeSubmit;
+}
+
+void HTMLButtonElement::setActivatedSubmit(bool flag)
+{
+    m_activeSubmit = flag;
+}
+
+bool HTMLButtonElement::appendFormData(FormDataList& formData, bool)
+{
+    if (m_type != SUBMIT || name().isEmpty() || !m_activeSubmit)
+        return false;
+    formData.appendData(name(), value());
+    return true;
+}
+
+void HTMLButtonElement::accessKeyAction(bool sendToAnyElement)
+{
+    focus();
+    // send the mouse button events iff the caller specified sendToAnyElement
+    dispatchSimulatedClick(0, sendToAnyElement);
+}
+
+String HTMLButtonElement::value() const
+{
+    return getAttribute(valueAttr);
+}
+
+} // namespace