111 lines
4.2 KiB
C++
111 lines
4.2 KiB
C++
/*
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* Copyright (C) 2020 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 "EventTarget.h"
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#include "FetchOptions.h"
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#include "ScriptExecutionContext.h"
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#include "WorkerThreadType.h"
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namespace WebCore {
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class EventLoopTaskGroup;
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class ScriptModuleLoader;
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class WorkerEventLoop;
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class WorkerInspectorController;
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class WorkerOrWorkletScriptController;
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class WorkerOrWorkletThread;
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class WorkerOrWorkletGlobalScope : public ScriptExecutionContext, public RefCounted<WorkerOrWorkletGlobalScope>, public EventTargetWithInlineData {
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WTF_MAKE_ISO_ALLOCATED(WorkerOrWorkletGlobalScope);
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WTF_MAKE_NONCOPYABLE(WorkerOrWorkletGlobalScope);
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public:
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virtual ~WorkerOrWorkletGlobalScope();
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bool isClosing() const { return m_isClosing; }
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WorkerOrWorkletThread* workerOrWorkletThread() const { return m_thread; }
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WorkerOrWorkletScriptController* script() const { return m_script.get(); }
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void clearScript();
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JSC::VM& vm() final;
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WorkerInspectorController& inspectorController() const { return *m_inspectorController; }
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unsigned long createUniqueIdentifier() { return m_uniqueIdentifier++; }
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ScriptModuleLoader& moduleLoader() { return *m_moduleLoader; }
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// ScriptExecutionContext.
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EventLoopTaskGroup& eventLoop() final;
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bool isContextThread() const final;
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void postTask(Task&&) final; // Executes the task on context's thread asynchronously.
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virtual void prepareForDestruction();
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using RefCounted::ref;
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using RefCounted::deref;
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virtual void suspend() { }
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virtual void resume() { }
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virtual FetchOptions::Destination destination() const = 0;
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protected:
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WorkerOrWorkletGlobalScope(WorkerThreadType, Ref<JSC::VM>&&, WorkerOrWorkletThread*);
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// ScriptExecutionContext.
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bool isJSExecutionForbidden() const final;
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void markAsClosing() { m_isClosing = true; }
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private:
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// ScriptExecutionContext.
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void disableEval(const String& errorMessage) final;
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void disableWebAssembly(const String& errorMessage) final;
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void refScriptExecutionContext() final { ref(); }
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void derefScriptExecutionContext() final { deref(); }
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// EventTarget.
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ScriptExecutionContext* scriptExecutionContext() const final { return const_cast<WorkerOrWorkletGlobalScope*>(this); }
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void refEventTarget() final { ref(); }
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void derefEventTarget() final { deref(); }
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std::unique_ptr<WorkerOrWorkletScriptController> m_script;
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std::unique_ptr<ScriptModuleLoader> m_moduleLoader;
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WorkerOrWorkletThread* m_thread;
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RefPtr<WorkerEventLoop> m_eventLoop;
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std::unique_ptr<EventLoopTaskGroup> m_defaultTaskGroup;
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std::unique_ptr<WorkerInspectorController> m_inspectorController;
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unsigned long m_uniqueIdentifier { 1 };
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bool m_isClosing { false };
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};
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::WorkerOrWorkletGlobalScope)
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static bool isType(const WebCore::ScriptExecutionContext& context) { return context.isWorkerGlobalScope() || context.isWorkletGlobalScope(); }
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SPECIALIZE_TYPE_TRAITS_END()
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