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/**
* 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 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 "DNS.h"
#include "Event.h"
#include "EventHandler.h"
#include "EventNames.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "HTMLNames.h"
#include "KeyboardEvent.h"
#include "MappedAttribute.h"
#include "MouseEvent.h"
#include "RenderBox.h"
#include "WMLNames.h"
namespace WebCore {
using namespace WMLNames;
WMLAElement::WMLAElement(const QualifiedName& tagName, Document* doc)
: WMLElement(tagName, doc)
{
}
void WMLAElement::parseMappedAttribute(MappedAttribute* 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("//"))
prefetchDNS(document()->completeURL(value).host());
}
} 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() && (event->type() == eventNames().clickEvent || (event->type() == eventNames().keydownEvent && focused()))) {
MouseEvent* e = 0;
if (event->type() == eventNames().clickEvent && event->isMouseEvent())
e = static_cast<MouseEvent*>(event);
KeyboardEvent* k = 0;
if (event->type() == eventNames().keydownEvent && event->isKeyboardEvent())
k = static_cast<KeyboardEvent*>(event);
if (e && e->button() == RightButton) {
WMLElement::defaultEventHandler(event);
return;
}
if (k) {
if (k->keyIdentifier() != "Enter") {
WMLElement::defaultEventHandler(event);
return;
}
event->setDefaultHandled();
dispatchSimulatedClick(event);
return;
}
if (!event->defaultPrevented() && document()->frame()) {
KURL url = document()->completeURL(deprecatedParseURL(getAttribute(HTMLNames::hrefAttr)));
document()->frame()->loader()->urlSelected(url, target(), event, false, false, true);
}
event->setDefaultHandled();
}
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
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