WebCore/wml/WMLAnchorElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/wml/WMLAnchorElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,80 @@
+/**
+ * Copyright (C) 2008 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 "WMLAnchorElement.h"
+
+#include "EventNames.h"
+#include "KeyboardEvent.h"
+#include "WMLTaskElement.h"
+#include "HTMLNames.h"
+
+namespace WebCore {
+
+WMLAnchorElement::WMLAnchorElement(const QualifiedName& tagName, Document* doc)
+    : WMLAElement(tagName, doc)
+    , m_task(0)
+{
+    // Calling setIsLink(), and returning a non-null value on CSSStyleSelectors' linkAttribute
+    // method, makes it possible to 'appear as link' (just like <a href="..">) without the need to
+    // actually set the href value to an empty value in the DOM tree.
+    setIsLink();
+}
+
+WMLAnchorElement::~WMLAnchorElement()
+{
+}
+
+void WMLAnchorElement::defaultEventHandler(Event* event)
+{
+    bool shouldHandle = false;
+
+    if (event->type() == eventNames().clickEvent)
+        shouldHandle = true;
+    else if (event->type() == eventNames().keydownEvent && event->isKeyboardEvent() && focused())
+        shouldHandle = static_cast<KeyboardEvent*>(event)->keyIdentifier() == "Enter";
+
+    if (shouldHandle && m_task) {
+        m_task->executeTask();
+        event->setDefaultHandled();
+        return;
+    }
+
+    // Skip WMLAElement::defaultEventHandler, we don't own a href attribute, that needs to be handled.
+    WMLElement::defaultEventHandler(event); 
+}
+
+void WMLAnchorElement::registerTask(WMLTaskElement* task)
+{
+    ASSERT(!m_task);
+    m_task = task;
+}
+
+void WMLAnchorElement::deregisterTask(WMLTaskElement* task)
+{
+    ASSERT_UNUSED(task, m_task == task);
+    m_task = 0;
+}
+
+}
+
+#endif