Source/WebCore/workers/WorkerGlobalScopeProxy.h

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 * 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:
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 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 */

#pragma once

#include "FetchRequestCredentials.h"
#include "MessageWithMessagePorts.h"
#include <JavaScriptCore/RuntimeFlags.h>
#include <wtf/Function.h>
#include <wtf/MonotonicTime.h>

namespace WebCore {

class ContentSecurityPolicyResponseHeaders;
class ScriptBuffer;
class ScriptExecutionContext;
class Worker;
struct WorkerInitializationData;
enum class ReferrerPolicy : uint8_t;
enum class WorkerType : bool;

// A proxy to talk to the worker context.
class WorkerGlobalScopeProxy {
public:
    static WorkerGlobalScopeProxy& create(Worker&);

    virtual void startWorkerGlobalScope(const URL& scriptURL, PAL::SessionID, const String& name, WorkerInitializationData&&, const ScriptBuffer& sourceCode, const ContentSecurityPolicyResponseHeaders&, bool shouldBypassMainWorldContentSecurityPolicy, const CrossOriginEmbedderPolicy&, MonotonicTime timeOrigin, ReferrerPolicy, WorkerType, FetchRequestCredentials, JSC::RuntimeFlags) = 0;
    virtual void terminateWorkerGlobalScope() = 0;
    virtual void postMessageToWorkerGlobalScope(MessageWithMessagePorts&&) = 0;
    virtual void postTaskToWorkerGlobalScope(Function<void(ScriptExecutionContext&)>&&) = 0;
    virtual bool hasPendingActivity() const = 0;
    virtual void workerObjectDestroyed() = 0;
    virtual void notifyNetworkStateChange(bool isOnline) = 0;

    virtual void suspendForBackForwardCache() = 0;
    virtual void resumeForBackForwardCache() = 0;

protected:
    virtual ~WorkerGlobalScopeProxy() = default;
};

} // namespace WebCore