/* -*- 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_SameProcessMessageQueue_h

#define mozilla_dom_SameProcessMessageQueue_h

#include "nsIRunnable.h"

#include "mozilla/RefPtr.h"

#include "nsTArray.h"

namespace mozilla {

namespace dom {

class SameProcessMessageQueue

{

public:

  SameProcessMessageQueue();

  virtual ~SameProcessMessageQueue();

  class Runnable : public nsIRunnable

  {

  public:

    explicit Runnable();

    NS_DECL_ISUPPORTS

    NS_DECL_NSIRUNNABLE

    virtual nsresult HandleMessage() = 0;

  protected:

    virtual ~Runnable() {}

  private:

    bool mDispatched;

  };

  void Push(Runnable* aRunnable);

  void Flush();

  static SameProcessMessageQueue* Get();

private:

  nsTArray<RefPtr<Runnable>> mQueue;

  static SameProcessMessageQueue* sSingleton;

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_SameProcessMessageQueue_h