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/*
Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
2004, 2005, 2007 Rob Buis <buis@kde.org>
2007 Eric Seidel <eric@webkit.org>
This file is part of the KDE project
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 "wtf/Platform.h"
#if ENABLE(SVG)
#include "SVGAElement.h"
/*#include "Attr.h"
#include "CSSHelper.h"*/
#include "Document.h"
/*#include "EventHandler.h"
#include "EventNames.h"
#include "Frame.h"
#include "FrameLoader.h"
#include "KeyboardEvent.h"
#include "MouseEvent.h"
#include "PlatformMouseEvent.h"*/
#include "RenderSVGTransformableContainer.h"
#include "RenderSVGInline.h"
/*#include "ResourceRequest.h"
#include "SVGSMILElement.h"*/
#include "SVGNames.h"
#include "XLinkNames.h"
namespace WebCore {
//using namespace EventNames;
SVGAElement::SVGAElement(const QualifiedName& tagName, Document *doc)
: SVGStyledTransformableElement(tagName, doc)
, SVGURIReference()
, SVGTests()
, SVGLangSpace()
, SVGExternalResourcesRequired()
{
}
SVGAElement::~SVGAElement()
{
}
String SVGAElement::title() const
{
return getAttribute(XLinkNames::titleAttr);
}
ANIMATED_PROPERTY_DEFINITIONS(SVGAElement, String, String, string, Target, target, SVGNames::targetAttr, m_target)
void SVGAElement::parseMappedAttribute(MappedAttribute* attr)
{
if (attr->name() == SVGNames::targetAttr)
setTargetBaseValue(attr->value());
else {
if (SVGURIReference::parseMappedAttribute(attr))
return;
if (SVGTests::parseMappedAttribute(attr))
return;
if (SVGLangSpace::parseMappedAttribute(attr))
return;
if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
return;
SVGStyledTransformableElement::parseMappedAttribute(attr);
}
}
void SVGAElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGStyledTransformableElement::svgAttributeChanged(attrName);
// Unlike other SVG*Element classes, SVGAElement only listens to SVGURIReference changes
// as none of the other properties changes the linking behaviour for our <a> element.
if (SVGURIReference::isKnownAttribute(attrName)) {
/*khtml FIXME bool wasLink = m_isLink;
m_isLink = !href().isNull();
if (wasLink != m_isLink)
setChanged();*/
}
}
RenderObject* SVGAElement::createRenderer(RenderArena* arena, RenderStyle* style)
{
if (static_cast<SVGElement*>(parent())->isTextContent())
return new (arena) RenderSVGInline(this);
return new (arena) RenderSVGTransformableContainer(this);
}
void SVGAElement::defaultEventHandler(Event* evt)
{
/*if (m_isLink && (evt->type() == clickEvent || (evt->type() == keydownEvent && m_focused))) {
MouseEvent* e = 0;
if (evt->type() == clickEvent && evt->isMouseEvent())
e = static_cast<MouseEvent*>(evt);
KeyboardEvent* k = 0;
if (evt->type() == keydownEvent && evt->isKeyboardEvent())
k = static_cast<KeyboardEvent*>(evt);
if (e && e->button() == RightButton) {
SVGStyledTransformableElement::defaultEventHandler(evt);
return;
}
if (k) {
if (k->keyIdentifier() != "Enter") {
SVGStyledTransformableElement::defaultEventHandler(evt);
return;
}
evt->setDefaultHandled();
dispatchSimulatedClick(evt);
return;
}
String target = this->target();
if (e && e->button() == MiddleButton)
target = "_blank";
else if (target.isEmpty()) // if target is empty, default to "_self" or use xlink:target if set
target = (getAttribute(XLinkNames::showAttr) == "new") ? "_blank" : "_self";
if (!evt->defaultPrevented()) {
String url = parseURL(href());
#if ENABLE(SVG_ANIMATION)
if (url.startsWith("#")) {
Element* targetElement = document()->getElementById(url.substring(1));
if (SVGSMILElement::isSMILElement(targetElement)) {
SVGSMILElement* timed = static_cast<SVGSMILElement*>(targetElement);
timed->beginByLinkActivation();
evt->setDefaultHandled();
SVGStyledTransformableElement::defaultEventHandler(evt);
return;
}
}
#endif
if (document()->frame())
document()->frame()->loader()->urlSelected(document()->completeURL(url), target, evt, false, true);
}
evt->setDefaultHandled();
}*/
SVGStyledTransformableElement::defaultEventHandler(evt);
}
bool SVGAElement::supportsFocus() const
{
/*if (isContentEditable())
return SVGStyledTransformableElement::supportsFocus();*/
return isFocusable() || (document() && !document()->haveStylesheetsLoaded());
}
bool SVGAElement::isFocusable() const
{
if (isContentEditable())
return SVGStyledTransformableElement::isFocusable();
// FIXME: Even if we are not visible, we might have a child that is visible.
// Dave wants to fix that some day with a "has visible content" flag or the like.
if (!renderer() || !(renderer()->style()->visibility() == VISIBLE))
return false;
//khtml FIXME return !renderer()->absoluteClippedOverflowRect().isEmpty();
return false;
}
bool SVGAElement::isMouseFocusable() const
{
return false;
}
bool SVGAElement::isKeyboardFocusable(DOM::KeyboardEventImpl* event) const
{
if (!isFocusable())
return false;
if (!document()->view())
return false;
//khtml FIXME return document()->view()->eventHandler()->tabsToLinks(event);
return false;
}
bool SVGAElement::childShouldCreateRenderer(Node* child) const
{
// http://www.w3.org/2003/01/REC-SVG11-20030114-errata#linking-text-environment
// The 'a' element may contain any element that its parent may contain, except itself.
if (child->hasTagName(SVGNames::aTag))
return false;
if (parent() && parent()->isSVGElement())
return static_cast<SVGElement*>(parent())->childShouldCreateRenderer(child);
return SVGElement::childShouldCreateRenderer(child);
}
} // namespace WebCore
#endif // ENABLE(SVG)
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