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/*
* Copyright (C) 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 "HTMLSummaryElement.h"
#include "ElementInlines.h"
#include "EventNames.h"
#include "HTMLDetailsElement.h"
#include "HTMLFormControlElement.h"
#include "HTMLSlotElement.h"
#include "KeyboardEvent.h"
#include "MouseEvent.h"
#include "PlatformMouseEvent.h"
#include "RenderBlockFlow.h"
#include "SVGAElement.h"
#include "SVGElementTypeHelpers.h"
#include "ShadowRoot.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(HTMLSummaryElement);
using namespace HTMLNames;
Ref<HTMLSummaryElement> HTMLSummaryElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLSummaryElement(tagName, document));
}
HTMLSummaryElement::HTMLSummaryElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(summaryTag));
}
RefPtr<HTMLDetailsElement> HTMLSummaryElement::detailsElement() const
{
if (auto* parent = dynamicDowncast<HTMLDetailsElement>(parentElement()))
return parent;
// Fallback summary element is in the shadow tree.
if (auto* details = dynamicDowncast<HTMLDetailsElement>(shadowHost()))
return details;
return nullptr;
}
bool HTMLSummaryElement::isActiveSummary() const
{
RefPtr<HTMLDetailsElement> details = detailsElement();
if (!details)
return false;
return details->isActiveSummary(*this);
}
static bool isInSummaryInteractiveContent(EventTarget* target)
{
for (RefPtr element = dynamicDowncast<Element>(target); element && !is<HTMLSummaryElement>(element); element = element->parentOrShadowHostElement()) {
auto* htmlElement = dynamicDowncast<HTMLElement>(*element);
if ((htmlElement && htmlElement->isInteractiveContent()) || is<SVGAElement>(element))
return true;
}
return false;
}
int HTMLSummaryElement::defaultTabIndex() const
{
return isActiveSummary() ? 0 : -1;
}
bool HTMLSummaryElement::supportsFocus() const
{
return isActiveSummary() || HTMLElement::supportsFocus();
}
void HTMLSummaryElement::defaultEventHandler(Event& event)
{
if (isActiveSummary()) {
auto& eventNames = WebCore::eventNames();
if (event.type() == eventNames.DOMActivateEvent && !isInSummaryInteractiveContent(event.target())) {
if (RefPtr<HTMLDetailsElement> details = detailsElement())
details->toggleOpen();
event.setDefaultHandled();
return;
}
if (auto* keyboardEvent = dynamicDowncast<KeyboardEvent>(event)) {
if (keyboardEvent->type() == eventNames.keydownEvent && keyboardEvent->keyIdentifier() == "U+0020"_s) {
setActive(true);
// No setDefaultHandled() - IE dispatches a keypress in this case.
return;
}
if (keyboardEvent->type() == eventNames.keypressEvent) {
switch (keyboardEvent->charCode()) {
case '\r':
dispatchSimulatedClick(&event);
keyboardEvent->setDefaultHandled();
return;
case ' ':
// Prevent scrolling down the page.
keyboardEvent->setDefaultHandled();
return;
}
}
if (keyboardEvent->type() == eventNames.keyupEvent && keyboardEvent->keyIdentifier() == "U+0020"_s) {
if (active())
dispatchSimulatedClick(&event);
keyboardEvent->setDefaultHandled();
return;
}
}
}
HTMLElement::defaultEventHandler(event);
}
bool HTMLSummaryElement::willRespondToMouseClickEventsWithEditability(Editability editability) const
{
return isActiveSummary() || HTMLElement::willRespondToMouseClickEventsWithEditability(editability);
}
}
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