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/*
* Copyright (C) 2010, 2011 Nokia Corporation and/or its subsidiary(-ies)
*
* 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 "HTMLDetailsElement.h"
#if ENABLE(DETAILS)
#include "ElementShadow.h"
#include "HTMLContentElement.h"
#include "HTMLNames.h"
#include "HTMLSummaryElement.h"
#include "LocalizedStrings.h"
#include "MouseEvent.h"
#include "NodeRenderingContext.h"
#include "RenderBlock.h"
#include "ShadowRoot.h"
#include "Text.h"
namespace WebCore {
using namespace HTMLNames;
static const AtomicString& summaryQuerySelector()
{
DEFINE_STATIC_LOCAL(AtomicString, selector, ("summary:first-of-type"));
return selector;
};
class DetailsContentElement : public HTMLContentElement {
public:
static PassRefPtr<DetailsContentElement> create(Document*);
private:
DetailsContentElement(Document* document)
: HTMLContentElement(HTMLNames::webkitShadowContentTag, document)
{
}
};
PassRefPtr<DetailsContentElement> DetailsContentElement::create(Document* document)
{
return adoptRef(new DetailsContentElement(document));
}
class DetailsSummaryElement : public HTMLContentElement {
public:
static PassRefPtr<DetailsSummaryElement> create(Document*);
Element* fallbackSummary()
{
ASSERT(firstChild() && firstChild()->hasTagName(summaryTag));
return toElement(firstChild());
}
private:
DetailsSummaryElement(Document* document)
: HTMLContentElement(HTMLNames::webkitShadowContentTag, document)
{
setSelect(summaryQuerySelector());
}
};
PassRefPtr<DetailsSummaryElement> DetailsSummaryElement::create(Document* document)
{
RefPtr<HTMLSummaryElement> defaultSummary = HTMLSummaryElement::create(summaryTag, document);
defaultSummary->appendChild(Text::create(document, defaultDetailsSummaryText()), ASSERT_NO_EXCEPTION);
RefPtr<DetailsSummaryElement> elem = adoptRef(new DetailsSummaryElement(document));
elem->appendChild(defaultSummary);
return elem.release();
}
PassRefPtr<HTMLDetailsElement> HTMLDetailsElement::create(const QualifiedName& tagName, Document* document)
{
RefPtr<HTMLDetailsElement> elem = adoptRef(new HTMLDetailsElement(tagName, document));
elem->createShadowSubtree();
return elem.release();
}
HTMLDetailsElement::HTMLDetailsElement(const QualifiedName& tagName, Document* document)
: HTMLElement(tagName, document)
, m_isOpen(false)
{
ASSERT(hasTagName(detailsTag));
}
RenderObject* HTMLDetailsElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderBlock(this);
}
void HTMLDetailsElement::createShadowSubtree()
{
ASSERT(!shadow());
RefPtr<ShadowRoot> root = ShadowRoot::create(this, ShadowRoot::CreatingUserAgentShadowRoot);
root->appendChild(DetailsSummaryElement::create(document()), ASSERT_NO_EXCEPTION, true);
root->appendChild(DetailsContentElement::create(document()), ASSERT_NO_EXCEPTION, true);
}
Element* HTMLDetailsElement::findMainSummary() const
{
for (Node* child = firstChild(); child; child = child->nextSibling()) {
if (child->hasTagName(summaryTag))
return toElement(child);
}
return static_cast<DetailsSummaryElement*>(shadow()->oldestShadowRoot()->firstChild())->fallbackSummary();
}
void HTMLDetailsElement::parseAttribute(Attribute* attr)
{
if (attr->name() == openAttr) {
bool oldValue = m_isOpen;
m_isOpen = !attr->value().isNull();
if (oldValue != m_isOpen)
reattachIfAttached();
} else
HTMLElement::parseAttribute(attr);
}
bool HTMLDetailsElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const
{
if (!childContext.isOnEncapsulationBoundary())
return false;
if (m_isOpen)
return HTMLElement::childShouldCreateRenderer(childContext);
if (!childContext.node()->hasTagName(summaryTag))
return false;
return childContext.node() == findMainSummary() && HTMLElement::childShouldCreateRenderer(childContext);
}
void HTMLDetailsElement::toggleOpen()
{
setAttribute(openAttr, m_isOpen ? nullAtom : emptyAtom);
}
}
#endif
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