Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 158 insertions, 0 deletions

diff --git a/Source/WebCore/wml/WMLAElement.cpp b/Source/WebCore/wml/WMLAElement.cpp
new file mode 100644
index 0000000..00067fe
--- /dev/null
+++ b/Source/WebCore/wml/WMLAElement.cpp
@@ -0,0 +1,158 @@
+/**
+ * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Simon Hausmann <hausmann@kde.org>
+ * Copyright (C) 2003, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
+ *           (C) 2006 Graham Dennis (graham.dennis@gmail.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 "WMLAElement.h"
+
+#include "Attribute.h"
+#include "Event.h"
+#include "EventHandler.h"
+#include "EventNames.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "HTMLAnchorElement.h"
+#include "HTMLNames.h"
+#include "HTMLParserIdioms.h"
+#include "KeyboardEvent.h"
+#include "MouseEvent.h"
+#include "RenderBox.h"
+#include "ResourceHandle.h"
+#include "WMLNames.h"
+
+namespace WebCore {
+
+using namespace WMLNames;
+
+WMLAElement::WMLAElement(const QualifiedName& tagName, Document* doc)
+    : WMLElement(tagName, doc)
+{
+}
+
+PassRefPtr<WMLAElement> WMLAElement::create(const QualifiedName& tagName, Document* document)
+{
+    return adoptRef(new WMLAElement(tagName, document));
+}
+
+void WMLAElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == HTMLNames::hrefAttr) {
+        bool wasLink = isLink();
+        setIsLink(!attr->isNull());
+        if (wasLink != isLink())
+            setNeedsStyleRecalc();
+        if (isLink() && document()->isDNSPrefetchEnabled()) {
+            String value = attr->value();
+            if (protocolIs(value, "http") || protocolIs(value, "https") || value.startsWith("//"))
+                ResourceHandle::prepareForURL(document()->completeURL(value));
+        }
+    } else if (attr->name() == HTMLNames::nameAttr
+               || attr->name() == HTMLNames::titleAttr
+               || attr->name() == HTMLNames::relAttr) {
+        // Do nothing.
+    } else
+        WMLElement::parseMappedAttribute(attr);
+}
+
+bool WMLAElement::supportsFocus() const
+{
+    return isLink() || WMLElement::supportsFocus();
+}
+
+bool WMLAElement::isMouseFocusable() const
+{
+    return false;
+}
+
+bool WMLAElement::isKeyboardFocusable(KeyboardEvent* event) const
+{
+    if (!isFocusable())
+        return false;
+    
+    if (!document()->frame())
+        return false;
+
+    if (!document()->frame()->eventHandler()->tabsToLinks(event))
+        return false;
+
+    if (!renderer() || !renderer()->isBoxModelObject())
+        return false;
+
+    // Before calling absoluteRects, check for the common case where the renderer
+    // is non-empty, since this is a faster check and almost always returns true.
+    RenderBoxModelObject* box = toRenderBoxModelObject(renderer());
+    if (!box->borderBoundingBox().isEmpty())
+        return true;
+
+    Vector<IntRect> rects;
+    FloatPoint absPos = renderer()->localToAbsolute();
+    renderer()->absoluteRects(rects, absPos.x(), absPos.y());
+    size_t n = rects.size();
+    for (size_t i = 0; i < n; ++i)
+        if (!rects[i].isEmpty())
+            return true;
+
+    return false;
+}
+
+void WMLAElement::defaultEventHandler(Event* event)
+{
+    if (isLink()) {
+        if (focused() && isEnterKeyKeydownEvent(event)) {
+            event->setDefaultHandled();
+            dispatchSimulatedClick(event);
+            return;
+        }
+
+        if (isLinkClick(event)) {
+            handleLinkClick(event, document(), stripLeadingAndTrailingHTMLSpaces(getAttribute(HTMLNames::hrefAttr)), target(), event);
+            return;
+        }
+    }
+
+    WMLElement::defaultEventHandler(event);
+}
+
+void WMLAElement::accessKeyAction(bool sendToAnyElement)
+{
+    // send the mouse button events if the caller specified sendToAnyElement
+    dispatchSimulatedClick(0, sendToAnyElement);
+}
+
+bool WMLAElement::isURLAttribute(Attribute *attr) const
+{
+    return attr->name() == HTMLNames::hrefAttr;
+}
+
+String WMLAElement::target() const
+{
+    return getAttribute(HTMLNames::targetAttr);
+}
+
+}
+
+#endif