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/*
* Copyright (C) 2017 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. AND ITS CONTRIBUTORS ``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 ITS 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.
*/
#pragma once
#include "Event.h"
#include "ExtendableEventInit.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
class DOMPromise;
class ExtendableEvent : public Event {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(ExtendableEvent);
public:
static Ref<ExtendableEvent> create(const AtomString& type, const ExtendableEventInit& initializer, IsTrusted isTrusted = IsTrusted::No)
{
return adoptRef(*new ExtendableEvent(EventInterfaceType::ExtendableEvent, type, initializer, isTrusted));
}
~ExtendableEvent();
ExceptionOr<void> waitUntil(Ref<DOMPromise>&&);
unsigned pendingPromiseCount() const { return m_pendingPromiseCount; }
WEBCORE_EXPORT void whenAllExtendLifetimePromisesAreSettled(Function<void(HashSet<Ref<DOMPromise>>&&)>&&);
protected:
WEBCORE_EXPORT ExtendableEvent(enum EventInterfaceType, const AtomString&, const ExtendableEventInit&, IsTrusted);
ExtendableEvent(enum EventInterfaceType, const AtomString&, CanBubble, IsCancelable);
void addExtendLifetimePromise(Ref<DOMPromise>&&);
private:
unsigned m_pendingPromiseCount { 0 };
HashSet<Ref<DOMPromise>> m_extendLifetimePromises;
Function<void(HashSet<Ref<DOMPromise>>&&)> m_whenAllExtendLifetimePromisesAreSettledHandler;
};
} // namespace WebCore
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