123 lines
4.4 KiB
C++
123 lines
4.4 KiB
C++
/*
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* Copyright (C) 2008, 2010, 2016 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "AbstractWorker.h"
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#include "ActiveDOMObject.h"
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#include "ContentSecurityPolicyResponseHeaders.h"
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#include "EventTarget.h"
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#include "FetchRequestCredentials.h"
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#include "MessagePort.h"
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#include "PostMessageOptions.h"
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#include "WorkerScriptLoaderClient.h"
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#include "WorkerType.h"
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#include <JavaScriptCore/RuntimeFlags.h>
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#include <wtf/MonotonicTime.h>
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#include <wtf/text/AtomStringHash.h>
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namespace JSC {
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class CallFrame;
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class JSObject;
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class JSValue;
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}
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namespace WebCore {
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class RTCRtpScriptTransform;
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class RTCRtpScriptTransformer;
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class ScriptExecutionContext;
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class WorkerGlobalScopeProxy;
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class WorkerScriptLoader;
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class Worker final : public AbstractWorker, public ActiveDOMObject, private WorkerScriptLoaderClient {
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WTF_MAKE_ISO_ALLOCATED(Worker);
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public:
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struct Options {
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WorkerType type;
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FetchRequestCredentials credentials;
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String name;
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};
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static ExceptionOr<Ref<Worker>> create(ScriptExecutionContext&, JSC::RuntimeFlags, const String& url, const Options&);
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virtual ~Worker();
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ExceptionOr<void> postMessage(JSC::JSGlobalObject&, JSC::JSValue message, PostMessageOptions&&);
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void terminate();
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bool wasTerminated() const { return m_wasTerminated; }
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String identifier() const { return m_identifier; }
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const String& name() const { return m_name; }
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ScriptExecutionContext* scriptExecutionContext() const final { return ActiveDOMObject::scriptExecutionContext(); }
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void dispatchEvent(Event&) final;
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#if ENABLE(WEB_RTC)
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void createRTCRtpScriptTransformer(RTCRtpScriptTransform&, MessageWithMessagePorts&&);
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void postTaskToWorkerGlobalScope(Function<void(ScriptExecutionContext&)>&&);
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#endif
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WorkerType type() const { return m_type; }
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private:
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explicit Worker(ScriptExecutionContext&, JSC::RuntimeFlags, const Options&);
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EventTargetInterface eventTargetInterface() const final { return WorkerEventTargetInterfaceType; }
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void notifyNetworkStateChange(bool isOnline);
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void didReceiveResponse(unsigned long identifier, const ResourceResponse&) final;
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void notifyFinished() final;
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// ActiveDOMObject.
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void stop() final;
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void suspend(ReasonForSuspension) final;
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void resume() final;
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const char* activeDOMObjectName() const final;
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bool virtualHasPendingActivity() const final;
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static void networkStateChanged(bool isOnLine);
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RefPtr<WorkerScriptLoader> m_scriptLoader;
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String m_name;
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String m_identifier;
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WorkerGlobalScopeProxy& m_contextProxy; // The proxy outlives the worker to perform thread shutdown.
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std::optional<ContentSecurityPolicyResponseHeaders> m_contentSecurityPolicyResponseHeaders;
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MonotonicTime m_workerCreationTime;
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bool m_shouldBypassMainWorldContentSecurityPolicy { false };
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bool m_isSuspendedForBackForwardCache { false };
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JSC::RuntimeFlags m_runtimeFlags;
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Deque<RefPtr<Event>> m_pendingEvents;
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bool m_wasTerminated { false };
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#if ENABLE(WEB_RTC)
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HashSet<String> m_transformers;
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#endif
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WorkerType m_type { WorkerType::Classic };
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FetchRequestCredentials m_credentials { FetchRequestCredentials::SameOrigin };
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};
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} // namespace WebCore
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