third_party/WebKit/Source/core/workers/WorkerReportingProxy.h

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
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 *     * 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
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 */

#ifndef WorkerReportingProxy_h
#define WorkerReportingProxy_h

#include "core/CoreExport.h"
#include "platform/heap/Handle.h"
#include "wtf/Forward.h"
#include <memory>

namespace blink {

class ConsoleMessage;
class SourceLocation;
class WorkerOrWorkletGlobalScope;

// APIs used by workers to report console and worker activity.
class CORE_EXPORT WorkerReportingProxy {
public:
    virtual ~WorkerReportingProxy() { }

    virtual void reportException(const String& errorMessage, std::unique_ptr<SourceLocation>) = 0;
    virtual void reportConsoleMessage(ConsoleMessage*) = 0;
    virtual void postMessageToPageInspector(const String&) = 0;

    // Invoked when the worker script is evaluated. |success| is true if the
    // evaluation completed with no uncaught exception.
    virtual void didEvaluateWorkerScript(bool success) = 0;

    // Invoked when the thread creates a worker script context.
    virtual void didInitializeWorkerContext() { }

    // Invoked when the new WorkerGlobalScope is started.
    virtual void workerGlobalScopeStarted(WorkerOrWorkletGlobalScope*) = 0;

    // Invoked when close() is invoked on the worker context.
    virtual void workerGlobalScopeClosed() = 0;

    // Invoked when the thread is stopped and WorkerGlobalScope is being
    // destructed. (This is be the last method that is called on this
    // interface)
    virtual void workerThreadTerminated() = 0;

    // Invoked when the thread is about to be stopped and WorkerGlobalScope
    // is to be destructed. (When this is called it is guaranteed that
    // WorkerGlobalScope is still alive)
    virtual void willDestroyWorkerGlobalScope() = 0;
};

} // namespace blink

#endif // WorkerReportingProxy_h