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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
*
* 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 "HTMLMapElement.h"
#include "Attribute.h"
#include "Document.h"
#include "HTMLAreaElement.h"
#include "HTMLCollection.h"
#include "HTMLImageElement.h"
#include "HTMLNames.h"
#include "HitTestResult.h"
#include "IntSize.h"
#include "NodeTraversal.h"
#include "RenderObject.h"
using namespace std;
namespace WebCore {
using namespace HTMLNames;
HTMLMapElement::HTMLMapElement(const QualifiedName& tagName, Document* document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(mapTag));
}
PassRefPtr<HTMLMapElement> HTMLMapElement::create(Document* document)
{
return adoptRef(new HTMLMapElement(mapTag, document));
}
PassRefPtr<HTMLMapElement> HTMLMapElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new HTMLMapElement(tagName, document));
}
HTMLMapElement::~HTMLMapElement()
{
}
bool HTMLMapElement::mapMouseEvent(LayoutPoint location, const LayoutSize& size, HitTestResult& result)
{
HTMLAreaElement* defaultArea = 0;
Element* element = this;
while ((element = ElementTraversal::next(element, this))) {
if (isHTMLAreaElement(element)) {
HTMLAreaElement* areaElt = toHTMLAreaElement(element);
if (areaElt->isDefault()) {
if (!defaultArea)
defaultArea = areaElt;
} else if (areaElt->mapMouseEvent(location, size, result))
return true;
}
}
if (defaultArea) {
result.setInnerNode(defaultArea);
result.setURLElement(defaultArea);
}
return defaultArea;
}
HTMLImageElement* HTMLMapElement::imageElement()
{
RefPtr<HTMLCollection> images = document()->images();
for (unsigned i = 0; Node* curr = images->item(i); i++) {
if (!isHTMLImageElement(curr))
continue;
// The HTMLImageElement's useMap() value includes the '#' symbol at the beginning,
// which has to be stripped off.
HTMLImageElement* imageElement = toHTMLImageElement(curr);
String useMapName = imageElement->getAttribute(usemapAttr).string().substring(1);
if (equalIgnoringCase(useMapName, m_name))
return imageElement;
}
return 0;
}
void HTMLMapElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
// FIXME: This logic seems wrong for XML documents.
// Either the id or name will be used depending on the order the attributes are parsed.
if (isIdAttributeName(name) || name == nameAttr) {
if (isIdAttributeName(name)) {
// Call base class so that hasID bit gets set.
HTMLElement::parseAttribute(name, value);
if (document()->isHTMLDocument())
return;
}
if (inDocument())
treeScope()->removeImageMap(this);
String mapName = value;
if (mapName[0] == '#')
mapName = mapName.substring(1);
m_name = document()->isHTMLDocument() ? mapName.lower() : mapName;
if (inDocument())
treeScope()->addImageMap(this);
return;
}
HTMLElement::parseAttribute(name, value);
}
PassRefPtr<HTMLCollection> HTMLMapElement::areas()
{
return ensureCachedHTMLCollection(MapAreas);
}
Node::InsertionNotificationRequest HTMLMapElement::insertedInto(ContainerNode* insertionPoint)
{
if (insertionPoint->inDocument())
treeScope()->addImageMap(this);
return HTMLElement::insertedInto(insertionPoint);
}
void HTMLMapElement::removedFrom(ContainerNode* insertionPoint)
{
if (insertionPoint->inDocument())
treeScope()->removeImageMap(this);
HTMLElement::removedFrom(insertionPoint);
}
}
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