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             : #ifndef GMPContentParent_h_
       7             : #define GMPContentParent_h_
       8             : 
       9             : #include "mozilla/gmp/PGMPContentParent.h"
      10             : #include "GMPSharedMemManager.h"
      11             : #include "nsISupportsImpl.h"
      12             : 
      13             : namespace mozilla {
      14             : namespace gmp {
      15             : 
      16             : class GMPDecryptorParent;
      17             : class GMPParent;
      18             : class GMPVideoDecoderParent;
      19             : class GMPVideoEncoderParent;
      20             : class ChromiumCDMParent;
      21             : 
      22             : class GMPContentParent final : public PGMPContentParent,
      23             :                                public GMPSharedMem
      24             : {
      25             : public:
      26           0 :   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPContentParent)
      27             : 
      28             :   explicit GMPContentParent(GMPParent* aParent = nullptr);
      29             : 
      30             :   nsresult GetGMPVideoDecoder(GMPVideoDecoderParent** aGMPVD,
      31             :                               uint32_t aDecryptorId);
      32             :   void VideoDecoderDestroyed(GMPVideoDecoderParent* aDecoder);
      33             : 
      34             :   nsresult GetGMPVideoEncoder(GMPVideoEncoderParent** aGMPVE);
      35             :   void VideoEncoderDestroyed(GMPVideoEncoderParent* aEncoder);
      36             : 
      37             :   nsresult GetGMPDecryptor(GMPDecryptorParent** aGMPKS);
      38             :   void DecryptorDestroyed(GMPDecryptorParent* aSession);
      39             : 
      40             :   already_AddRefed<ChromiumCDMParent> GetChromiumCDM();
      41             :   void ChromiumCDMDestroyed(ChromiumCDMParent* aCDM);
      42             : 
      43             :   nsCOMPtr<nsISerialEventTarget> GMPEventTarget();
      44             : 
      45             :   // GMPSharedMem
      46             :   void CheckThread() override;
      47             : 
      48           0 :   void SetDisplayName(const nsCString& aDisplayName)
      49             :   {
      50           0 :     mDisplayName = aDisplayName;
      51           0 :   }
      52           0 :   const nsCString& GetDisplayName()
      53             :   {
      54           0 :     return mDisplayName;
      55             :   }
      56           0 :   void SetPluginId(const uint32_t aPluginId)
      57             :   {
      58           0 :     mPluginId = aPluginId;
      59           0 :   }
      60           0 :   uint32_t GetPluginId() const
      61             :   {
      62           0 :     return mPluginId;
      63             :   }
      64             : 
      65             :   class CloseBlocker {
      66             :   public:
      67           0 :     NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CloseBlocker)
      68             : 
      69           0 :     explicit CloseBlocker(GMPContentParent* aParent)
      70           0 :       : mParent(aParent)
      71             :     {
      72           0 :       mParent->AddCloseBlocker();
      73           0 :     }
      74             :     RefPtr<GMPContentParent> mParent;
      75             :   private:
      76           0 :     ~CloseBlocker() {
      77           0 :       mParent->RemoveCloseBlocker();
      78           0 :     }
      79             :   };
      80             : 
      81             : private:
      82             : 
      83             :   void AddCloseBlocker();
      84             :   void RemoveCloseBlocker();
      85             : 
      86             :   ~GMPContentParent();
      87             : 
      88             :   void ActorDestroy(ActorDestroyReason aWhy) override;
      89             : 
      90             :   PGMPVideoDecoderParent* AllocPGMPVideoDecoderParent(const uint32_t& aDecryptorId) override;
      91             :   bool DeallocPGMPVideoDecoderParent(PGMPVideoDecoderParent* aActor) override;
      92             : 
      93             :   PGMPVideoEncoderParent* AllocPGMPVideoEncoderParent() override;
      94             :   bool DeallocPGMPVideoEncoderParent(PGMPVideoEncoderParent* aActor) override;
      95             : 
      96             :   PGMPDecryptorParent* AllocPGMPDecryptorParent() override;
      97             :   bool DeallocPGMPDecryptorParent(PGMPDecryptorParent* aActor) override;
      98             : 
      99             :   PChromiumCDMParent* AllocPChromiumCDMParent() override;
     100             :   bool DeallocPChromiumCDMParent(PChromiumCDMParent* aActor) override;
     101             : 
     102             :   void CloseIfUnused();
     103             :   // Needed because NewRunnableMethod tried to use the class that the method
     104             :   // lives on to store the receiver, but PGMPContentParent isn't refcounted.
     105           0 :   void Close()
     106             :   {
     107           0 :     PGMPContentParent::Close();
     108           0 :   }
     109             : 
     110             :   nsTArray<RefPtr<GMPVideoDecoderParent>> mVideoDecoders;
     111             :   nsTArray<RefPtr<GMPVideoEncoderParent>> mVideoEncoders;
     112             :   nsTArray<RefPtr<GMPDecryptorParent>> mDecryptors;
     113             :   nsTArray<RefPtr<ChromiumCDMParent>> mChromiumCDMs;
     114             :   nsCOMPtr<nsISerialEventTarget> mGMPEventTarget;
     115             :   RefPtr<GMPParent> mParent;
     116             :   nsCString mDisplayName;
     117             :   uint32_t mPluginId;
     118             :   uint32_t mCloseBlockerCount = 0;
     119             : };
     120             : 
     121             : } // namespace gmp
     122             : } // namespace mozilla
     123             : 
     124             : #endif // GMPParent_h_