gecko-dev/dom/performance/PerformanceStorageWorker.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_PerformanceStorageWorker_h
#define mozilla_dom_PerformanceStorageWorker_h

#include "PerformanceStorage.h"

namespace mozilla {
namespace dom {

class WorkerHolder;
class WorkerPrivate;

class PerformanceProxyData;

class PerformanceStorageWorker final : public PerformanceStorage
{
public:
  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PerformanceStorageWorker, override)

  static already_AddRefed<PerformanceStorageWorker>
  Create(WorkerPrivate* aWorkerPrivate);

  void InitializeOnWorker();

  void ShutdownOnWorker();

  void AddEntry(nsIHttpChannel* aChannel,
                nsITimedChannel* aTimedChannel) override;

  void AddEntryOnWorker(UniquePtr<PerformanceProxyData>&& aData);

private:
  explicit PerformanceStorageWorker(WorkerPrivate* aWorkerPrivate);
  ~PerformanceStorageWorker();

  Mutex mMutex;

  // Protected by mutex.
  // This raw pointer is nullified when the WorkerHolder communicates the
  // shutting down of the worker thread.
  WorkerPrivate* mWorkerPrivate;

  // Protected by mutex.
  enum {
    eInitializing,
    eReady,
    eTerminated,
  } mState;

  // Touched on worker-thread only.
  UniquePtr<WorkerHolder> mWorkerHolder;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_PerformanceStorageWorker_h