1 files changed, 163 insertions, 0 deletions
diff --git a/WebCore/html/HTMLLabelElement.cpp b/WebCore/html/HTMLLabelElement.cpp
new file mode 100644
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--- /dev/null
+++ b/WebCore/html/HTMLLabelElement.cpp
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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 Apple Inc. ALl rights reserved.
+ *           (C) 2006 Alexey Proskuryakov (ap@nypop.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"
+#include "HTMLLabelElement.h"
+
+#include "Document.h"
+#include "Event.h"
+#include "EventNames.h"
+#include "HTMLFormElement.h"
+#include "HTMLNames.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+HTMLLabelElement::HTMLLabelElement(Document *doc)
+    : HTMLElement(labelTag, doc)
+{
+}
+
+HTMLLabelElement::~HTMLLabelElement()
+{
+}
+
+bool HTMLLabelElement::isFocusable() const
+{
+    return false;
+}
+
+HTMLElement* HTMLLabelElement::correspondingControl()
+{
+    const AtomicString& controlId = getAttribute(forAttr);
+    if (controlId.isNull()) {
+        // Search children of the label element for a form element.
+        Node* node = this;
+        while ((node = node->traverseNextNode(this))) {
+            if (node->isHTMLElement()) {
+                HTMLElement* element = static_cast<HTMLElement*>(node);
+                if (element->isGenericFormElement())
+                    return element;
+            }
+        }
+        return 0;
+    }
+        
+    // Only return HTML elements.
+    Element* elt = document()->getElementById(controlId);
+    if (elt && elt->isHTMLElement())
+        return static_cast<HTMLElement*>(elt);
+    return 0;
+}
+
+void HTMLLabelElement::setActive(bool down, bool pause)
+{
+    if (down == active())
+        return;
+
+    // Update our status first.
+    HTMLElement::setActive(down, pause);
+
+    // Also update our corresponding control.
+    if (HTMLElement* element = correspondingControl())
+        element->setActive(down, pause);
+}
+
+void HTMLLabelElement::setHovered(bool over)
+{
+    if (over == hovered())
+        return;
+        
+    // Update our status first.
+    HTMLElement::setHovered(over);
+
+    // Also update our corresponding control.
+    if (HTMLElement* element = correspondingControl())
+        element->setHovered(over);
+}
+
+void HTMLLabelElement::defaultEventHandler(Event* evt)
+{
+    static bool processingClick = false;
+
+    if (evt->type() == eventNames().clickEvent && !processingClick) {
+        RefPtr<HTMLElement> control = correspondingControl();
+
+        // If we can't find a control or if the control received the click
+        // event, then there's no need for us to do anything.
+        if (!control || (evt->target() && control->contains(evt->target()->toNode())))
+            return;
+
+        processingClick = true;
+
+        // Click the corresponding control.
+        control->dispatchSimulatedClick(evt);
+
+        // If the control can be focused via the mouse, then do that too.
+        if (control->isMouseFocusable())
+            control->focus();
+
+        processingClick = false;
+        
+        evt->setDefaultHandled();
+    }
+    
+    HTMLElement::defaultEventHandler(evt);
+}
+
+void HTMLLabelElement::focus(bool)
+{
+    // to match other browsers, always restore previous selection
+    if (HTMLElement* element = correspondingControl())
+        element->focus();
+}
+
+void HTMLLabelElement::accessKeyAction(bool sendToAnyElement)
+{
+    if (HTMLElement* element = correspondingControl())
+        element->accessKeyAction(sendToAnyElement);
+}
+
+String HTMLLabelElement::accessKey() const
+{
+    return getAttribute(accesskeyAttr);
+}
+
+void HTMLLabelElement::setAccessKey(const String &value)
+{
+    setAttribute(accesskeyAttr, value);
+}
+
+String HTMLLabelElement::htmlFor() const
+{
+    return getAttribute(forAttr);
+}
+
+void HTMLLabelElement::setHtmlFor(const String &value)
+{
+    setAttribute(forAttr, value);
+}
+
+} // namespace