Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #if !defined(MediaSystemResourceManagerChild_h_)
       7             : #define MediaSystemResourceManagerChild_h_
       8             : 
       9             : #include "mozilla/media/PMediaSystemResourceManagerChild.h"
      10             : #include "nsISupportsImpl.h"
      11             : 
      12             : namespace mozilla {
      13             : 
      14             : class MediaSystemResourceManager;
      15             : 
      16             : namespace ipc {
      17             : class BackgroundChildImpl;
      18             : } // namespace ipc
      19             : 
      20             : namespace media {
      21             : 
      22             : /**
      23             :  * Handle MediaSystemResourceManager's IPC
      24             :  */
      25             : class MediaSystemResourceManagerChild final : public PMediaSystemResourceManagerChild
      26             : {
      27             : public:
      28             :   struct ResourceListener {
      29             :     /* The resource is reserved and can be granted.
      30             :      * The client can allocate the requested resource.
      31             :      */
      32             :     virtual void resourceReserved() = 0;
      33             :     /* The resource is not reserved any more.
      34             :      * The client should release the resource as soon as possible if the
      35             :      * resource is still being held.
      36             :      */
      37             :     virtual void resourceCanceled() = 0;
      38             :   };
      39             : 
      40             :   MediaSystemResourceManagerChild();
      41             :   virtual ~MediaSystemResourceManagerChild();
      42             : 
      43             :   void Destroy();
      44             : 
      45           0 :   void SetManager(MediaSystemResourceManager* aManager)
      46             :   {
      47           0 :     mManager = aManager;
      48           0 :   }
      49             : 
      50             : protected:
      51             :   mozilla::ipc::IPCResult RecvResponse(const uint32_t& aId,
      52             :                                        const bool& aSuccess) override;
      53             : 
      54             : private:
      55             :   void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;
      56             : 
      57             :   bool mDestroyed;
      58             :   MediaSystemResourceManager* mManager;
      59             : 
      60             :   friend class mozilla::ipc::BackgroundChildImpl;
      61             : };
      62             : 
      63             : } // namespace media
      64             : } // namespace mozilla
      65             : 
      66             : #endif