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/*
* Copyright (C) 2021-2022 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 "AbstractWorker.h"
#include "ActiveDOMObject.h"
#include "SharedWorkerKey.h"
#include "SharedWorkerObjectIdentifier.h"
#include "URLKeepingBlobAlive.h"
#include <wtf/Identified.h>
#include <wtf/MonotonicTime.h>
namespace WebCore {
class MessagePort;
class ResourceError;
class ResourceMonitor;
class TrustedScriptURL;
struct WorkerOptions;
class SharedWorker final : public AbstractWorker, public ActiveDOMObject, public Identified<SharedWorkerObjectIdentifier> {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(SharedWorker);
public:
static ExceptionOr<Ref<SharedWorker>> create(Document&, std::variant<RefPtr<TrustedScriptURL>, String>&&, std::optional<std::variant<String, WorkerOptions>>&&);
~SharedWorker();
void ref() const final { AbstractWorker::ref(); }
void deref() const final { AbstractWorker::deref(); }
static SharedWorker* fromIdentifier(SharedWorkerObjectIdentifier);
MessagePort& port() const { return m_port.get(); }
const String& identifierForInspector() const { return m_identifierForInspector; }
void didFinishLoading(const ResourceError&);
// EventTarget.
ScriptExecutionContext* scriptExecutionContext() const final;
void reportNetworkUsage(size_t bytesTransferredOverNetworkDelta);
private:
SharedWorker(Document&, const SharedWorkerKey&, Ref<MessagePort>&&);
// EventTarget.
enum EventTargetInterfaceType eventTargetInterface() const final;
// ActiveDOMObject.
void stop() final;
bool virtualHasPendingActivity() const final;
void suspend(ReasonForSuspension) final;
void resume() final;
SharedWorkerKey m_key;
Ref<MessagePort> m_port;
String m_identifierForInspector;
URLKeepingBlobAlive m_blobURLExtension;
size_t m_bytesTransferredOverNetwork { 0 };
#if ENABLE(CONTENT_EXTENSIONS)
RefPtr<ResourceMonitor> m_resourceMonitor;
#endif
bool m_isActive { true };
bool m_isSuspendedForBackForwardCache { false };
};
} // namespace WebCore
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