/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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/. */

#if !defined(MediaSystemResourceManagerChild_h_)

#define MediaSystemResourceManagerChild_h_

#include "mozilla/media/PMediaSystemResourceManagerChild.h"

#include "nsISupportsImpl.h"

namespace mozilla {

class MediaSystemResourceManager;

namespace ipc {

class BackgroundChildImpl;

} // namespace ipc

namespace media {

/**

 * Handle MediaSystemResourceManager's IPC

 */

class MediaSystemResourceManagerChild final : public PMediaSystemResourceManagerChild

{

public:

  struct ResourceListener {

    /* The resource is reserved and can be granted.

     * The client can allocate the requested resource.

     */

    virtual void resourceReserved() = 0;

    /* The resource is not reserved any more.

     * The client should release the resource as soon as possible if the

     * resource is still being held.

     */

    virtual void resourceCanceled() = 0;

  };

  MediaSystemResourceManagerChild();

  virtual ~MediaSystemResourceManagerChild();

  void Destroy();

  void SetManager(MediaSystemResourceManager* aManager)

  {

    mManager = aManager;

  }

protected:

  mozilla::ipc::IPCResult RecvResponse(const uint32_t& aId,

                                       const bool& aSuccess) override;

private:

  void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;

  bool mDestroyed;

  MediaSystemResourceManager* mManager;

  friend class mozilla::ipc::BackgroundChildImpl;

};

} // namespace media

} // namespace mozilla

#endif