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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 "core/html/HTMLDetailsElement.h"
#include "bindings/v8/ExceptionStatePlaceholder.h"
#include "core/CSSPropertyNames.h"
#include "core/CSSValueKeywords.h"
#include "core/HTMLNames.h"
#include "core/dom/Text.h"
#include "core/dom/shadow/ShadowRoot.h"
#include "core/events/EventSender.h"
#include "core/html/HTMLContentElement.h"
#include "core/html/HTMLDivElement.h"
#include "core/html/HTMLSummaryElement.h"
#include "core/html/shadow/ShadowElementNames.h"
#include "core/rendering/RenderBlockFlow.h"
#include "platform/text/PlatformLocale.h"
namespace WebCore {
using namespace HTMLNames;
static DetailsEventSender& detailsToggleEventSender()
{
DEFINE_STATIC_LOCAL(DetailsEventSender, sharedToggleEventSender, (EventTypeNames::toggle));
return sharedToggleEventSender;
}
PassRefPtrWillBeRawPtr<HTMLDetailsElement> HTMLDetailsElement::create(Document& document)
{
RefPtrWillBeRawPtr<HTMLDetailsElement> details = adoptRefWillBeNoop(new HTMLDetailsElement(document));
details->ensureUserAgentShadowRoot();
return details.release();
}
HTMLDetailsElement::HTMLDetailsElement(Document& document)
: HTMLElement(detailsTag, document)
, m_isOpen(false)
{
ScriptWrappable::init(this);
}
HTMLDetailsElement::~HTMLDetailsElement()
{
detailsToggleEventSender().cancelEvent(this);
}
void HTMLDetailsElement::dispatchPendingEvent(DetailsEventSender* eventSender)
{
ASSERT_UNUSED(eventSender, eventSender == &detailsToggleEventSender());
dispatchEvent(Event::create(EventTypeNames::toggle));
}
RenderObject* HTMLDetailsElement::createRenderer(RenderStyle*)
{
return new RenderBlockFlow(this);
}
void HTMLDetailsElement::didAddUserAgentShadowRoot(ShadowRoot& root)
{
DEFINE_STATIC_LOCAL(const AtomicString, summarySelector, ("summary:first-of-type", AtomicString::ConstructFromLiteral));
RefPtrWillBeRawPtr<HTMLSummaryElement> defaultSummary = HTMLSummaryElement::create(document());
defaultSummary->appendChild(Text::create(document(), locale().queryString(blink::WebLocalizedString::DetailsLabel)));
RefPtrWillBeRawPtr<HTMLContentElement> summary = HTMLContentElement::create(document());
summary->setIdAttribute(ShadowElementNames::detailsSummary());
summary->setAttribute(selectAttr, summarySelector);
summary->appendChild(defaultSummary);
root.appendChild(summary.release());
RefPtrWillBeRawPtr<HTMLDivElement> content = HTMLDivElement::create(document());
content->setIdAttribute(ShadowElementNames::detailsContent());
content->appendChild(HTMLContentElement::create(document()));
content->setInlineStyleProperty(CSSPropertyDisplay, CSSValueNone);
root.appendChild(content.release());
}
Element* HTMLDetailsElement::findMainSummary() const
{
if (HTMLSummaryElement* summary = Traversal<HTMLSummaryElement>::firstChild(*this))
return summary;
HTMLContentElement* content = toHTMLContentElement(userAgentShadowRoot()->firstChild());
ASSERT(content->firstChild() && isHTMLSummaryElement(*content->firstChild()));
return toElement(content->firstChild());
}
void HTMLDetailsElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
if (name == openAttr) {
bool oldValue = m_isOpen;
m_isOpen = !value.isNull();
if (m_isOpen == oldValue)
return;
// Dispatch toggle event asynchronously.
detailsToggleEventSender().cancelEvent(this);
detailsToggleEventSender().dispatchEventSoon(this);
Element* content = ensureUserAgentShadowRoot().getElementById(ShadowElementNames::detailsContent());
ASSERT(content);
if (m_isOpen)
content->removeInlineStyleProperty(CSSPropertyDisplay);
else
content->setInlineStyleProperty(CSSPropertyDisplay, CSSValueNone);
Element* summary = ensureUserAgentShadowRoot().getElementById(ShadowElementNames::detailsSummary());
ASSERT(summary);
// FIXME: DetailsMarkerControl's RenderDetailsMarker has no concept of being updated
// without recreating it causing a repaint. Instead we should change it so we can tell
// it to toggle the open/closed triangle state and avoid reattaching the entire summary.
summary->lazyReattachIfAttached();
return;
}
HTMLElement::parseAttribute(name, value);
}
void HTMLDetailsElement::toggleOpen()
{
setAttribute(openAttr, m_isOpen ? nullAtom : emptyAtom);
}
bool HTMLDetailsElement::isInteractiveContent() const
{
return true;
}
}
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