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/*
* Copyright (C) 2025 Igalia S.L. 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 "AbortSignal.h"
#include "ActiveDOMObject.h"
#include "EventTarget.h"
#include <wtf/ListHashSet.h>
#include <wtf/RefCounted.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class KeyboardEvent;
class CloseWatcher final : public RefCounted<CloseWatcher>, public EventTarget, public ActiveDOMObject {
WTF_MAKE_TZONE_ALLOCATED(CloseWatcher);
public:
struct Options {
RefPtr<AbortSignal> signal;
};
static ExceptionOr<Ref<CloseWatcher>> create(ScriptExecutionContext&, const Options&);
explicit CloseWatcher(Document&);
bool isActive() const { return m_active; }
void requestClose();
bool requestToClose();
void close();
void destroy();
ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); }
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
private:
static Ref<CloseWatcher> establish(Document&);
void stop() final { destroy(); }
bool virtualHasPendingActivity() const final;
enum EventTargetInterfaceType eventTargetInterface() const final { return EventTargetInterfaceType::CloseWatcher; }
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
void eventListenersDidChange() final;
bool canBeClosed() const;
bool m_active { true };
bool m_isRunningCancelAction { false };
bool m_hasCancelEventListener { false };
bool m_hasCloseEventListener { false };
RefPtr<AbortSignal> m_signal;
uint32_t m_signalAlgorithm { };
};
} // namespace WebCore
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