haikuwebkit/Source/WebCore/html/HTMLDialogElement.cpp

109 lines
3.4 KiB
C++

/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "HTMLDialogElement.h"
#include "EventLoop.h"
#include "EventNames.h"
#include "HTMLNames.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLDialogElement);
using namespace HTMLNames;
HTMLDialogElement::HTMLDialogElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
}
void HTMLDialogElement::show()
{
// If the element already has an open attribute, then return.
if (isOpen())
return;
setBooleanAttribute(openAttr, true);
}
ExceptionOr<void> HTMLDialogElement::showModal()
{
// If subject already has an open attribute, then throw an "InvalidStateError" DOMException.
if (isOpen())
return Exception { InvalidStateError };
// If subject is not connected, then throw an "InvalidStateError" DOMException.
if (!isConnected())
return Exception { InvalidStateError };
setBooleanAttribute(openAttr, true);
m_isModal = true;
if (!isInTopLayer())
document().addToTopLayer(*this);
// FIXME: Add steps 8 & 9 from spec. (webkit.org/b/227537)
return { };
}
void HTMLDialogElement::close(const String& result)
{
if (!isOpen())
return;
setBooleanAttribute(openAttr, false);
m_isModal = false;
if (!result.isNull())
m_returnValue = result;
if (isInTopLayer())
document().removeFromTopLayer(*this);
// FIXME: Add step 6 from spec. (webkit.org/b/227537)
document().eventLoop().queueTask(TaskSource::UserInteraction, [protectedThis = GCReachableRef { *this }] {
protectedThis->dispatchEvent(Event::create(eventNames().closeEvent, Event::CanBubble::No, Event::IsCancelable::No));
});
}
void HTMLDialogElement::cancel()
{
document().eventLoop().queueTask(TaskSource::UserInteraction, [protectedThis = GCReachableRef { *this }] {
auto cancelEvent = Event::create(eventNames().cancelEvent, Event::CanBubble::No, Event::IsCancelable::Yes);
protectedThis->dispatchEvent(cancelEvent);
if (!cancelEvent->defaultPrevented())
protectedThis->close(nullString());
});
}
}