LCOV - code coverage report
Current view: top level - dom/media/gmp - GMPService.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 7 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 5 0.0 %
Legend: Lines: hit not hit

          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 GMPService_h_
       7             : #define GMPService_h_
       8             : 
       9             : #include "nsString.h"
      10             : #include "mozIGeckoMediaPluginService.h"
      11             : #include "nsIObserver.h"
      12             : #include "nsTArray.h"
      13             : #include "mozilla/Attributes.h"
      14             : #include "mozilla/Monitor.h"
      15             : #include "nsString.h"
      16             : #include "nsCOMPtr.h"
      17             : #include "nsIThread.h"
      18             : #include "nsThreadUtils.h"
      19             : #include "nsIDocument.h"
      20             : #include "nsIWeakReference.h"
      21             : #include "mozilla/AbstractThread.h"
      22             : #include "nsClassHashtable.h"
      23             : #include "nsISupportsImpl.h"
      24             : #include "mozilla/MozPromise.h"
      25             : #include "GMPContentParent.h"
      26             : #include "GMPCrashHelper.h"
      27             : #include "ChromiumCDMParent.h"
      28             : 
      29             : template <class> struct already_AddRefed;
      30             : 
      31             : namespace mozilla {
      32             : 
      33             : class GMPCrashHelper;
      34             : 
      35             : extern LogModule* GetGMPLog();
      36             : 
      37             : namespace gmp {
      38             : 
      39           0 : struct NodeId
      40             : {
      41           0 :   NodeId(const nsAString& aOrigin,
      42             :          const nsAString& aTopLevelOrigin,
      43             :          const nsAString& aGMPName)
      44           0 :     : mOrigin(aOrigin)
      45             :     , mTopLevelOrigin(aTopLevelOrigin)
      46           0 :     , mGMPName(aGMPName)
      47             :   {
      48           0 :   }
      49             :   nsString mOrigin;
      50             :   nsString mTopLevelOrigin;
      51             :   nsString mGMPName;
      52             : };
      53             : 
      54             : typedef MozPromise<RefPtr<GMPContentParent::CloseBlocker>,
      55             :                    nsresult,
      56             :                    /* IsExclusive = */ true>
      57             :   GetGMPContentParentPromise;
      58             : typedef MozPromise<RefPtr<ChromiumCDMParent>,
      59             :                    nsresult,
      60             :                    /* IsExclusive = */ true>
      61             :   GetCDMParentPromise;
      62             : 
      63             : class GeckoMediaPluginService : public mozIGeckoMediaPluginService
      64             :                               , public nsIObserver
      65             : {
      66             : public:
      67             :   static already_AddRefed<GeckoMediaPluginService> GetGeckoMediaPluginService();
      68             : 
      69             :   virtual nsresult Init();
      70             : 
      71             :   NS_DECL_THREADSAFE_ISUPPORTS
      72             : 
      73             :   RefPtr<GetCDMParentPromise> GetCDM(const NodeId& aNodeId,
      74             :                                      nsTArray<nsCString> aTags,
      75             :                                      GMPCrashHelper* aHelper);
      76             : 
      77             :   // mozIGeckoMediaPluginService
      78             :   NS_IMETHOD GetThread(nsIThread** aThread) override;
      79             :   NS_IMETHOD GetDecryptingGMPVideoDecoder(GMPCrashHelper* aHelper,
      80             :                                           nsTArray<nsCString>* aTags,
      81             :                                           const nsACString& aNodeId,
      82             :                                           UniquePtr<GetGMPVideoDecoderCallback>&& aCallback,
      83             :                                           uint32_t aDecryptorId)
      84             :     override;
      85             :   NS_IMETHOD GetGMPVideoEncoder(GMPCrashHelper* aHelper,
      86             :                                 nsTArray<nsCString>* aTags,
      87             :                                 const nsACString& aNodeId,
      88             :                                 UniquePtr<GetGMPVideoEncoderCallback>&& aCallback)
      89             :     override;
      90             :   NS_IMETHOD GetGMPDecryptor(GMPCrashHelper* aHelper,
      91             :                              nsTArray<nsCString>* aTags,
      92             :                              const nsACString& aNodeId,
      93             :                              UniquePtr<GetGMPDecryptorCallback>&& aCallback)
      94             :     override;
      95             : 
      96             :   // Helper for backwards compatibility with WebRTC/tests.
      97             :   NS_IMETHOD
      98           0 :   GetGMPVideoDecoder(GMPCrashHelper* aHelper,
      99             :                      nsTArray<nsCString>* aTags,
     100             :                      const nsACString& aNodeId,
     101             :                      UniquePtr<GetGMPVideoDecoderCallback>&& aCallback) override
     102             :   {
     103           0 :     return GetDecryptingGMPVideoDecoder(aHelper, aTags, aNodeId, Move(aCallback), 0);
     104             :   }
     105             : 
     106             :   NS_IMETHOD RunPluginCrashCallbacks(uint32_t aPluginId,
     107             :                                      const nsACString& aPluginName) override;
     108             : 
     109             :   RefPtr<AbstractThread> GetAbstractGMPThread();
     110             : 
     111             :   void ConnectCrashHelper(uint32_t aPluginId, GMPCrashHelper* aHelper);
     112             :   void DisconnectCrashHelper(GMPCrashHelper* aHelper);
     113             : 
     114             : protected:
     115             :   GeckoMediaPluginService();
     116             :   virtual ~GeckoMediaPluginService();
     117             : 
     118             :   virtual void InitializePlugins(AbstractThread* aAbstractGMPThread) = 0;
     119             : 
     120             :   virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
     121             :     GMPCrashHelper* aHelper,
     122             :     const nsACString& aNodeIdString,
     123             :     const nsCString& aAPI,
     124             :     const nsTArray<nsCString>& aTags) = 0;
     125             : 
     126             :   virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
     127             :     GMPCrashHelper* aHelper,
     128             :     const NodeId& aNodeId,
     129             :     const nsCString& aAPI,
     130             :     const nsTArray<nsCString>& aTags) = 0;
     131             : 
     132             :   nsresult GMPDispatch(nsIRunnable* event, uint32_t flags = NS_DISPATCH_NORMAL);
     133             :   nsresult GMPDispatch(already_AddRefed<nsIRunnable> event, uint32_t flags = NS_DISPATCH_NORMAL);
     134             :   void ShutdownGMPThread();
     135             : 
     136             :   Mutex mMutex; // Protects mGMPThread, mAbstractGMPThread, mPluginCrashHelpers,
     137             :                 // mGMPThreadShutdown and some members in derived classes.
     138             :   nsCOMPtr<nsIThread> mGMPThread;
     139             :   RefPtr<AbstractThread> mAbstractGMPThread;
     140             :   bool mGMPThreadShutdown;
     141             :   bool mShuttingDownOnGMPThread;
     142             : 
     143             :   nsClassHashtable<nsUint32HashKey, nsTArray<RefPtr<GMPCrashHelper>>> mPluginCrashHelpers;
     144             : };
     145             : 
     146             : } // namespace gmp
     147             : } // namespace mozilla
     148             : 
     149             : #endif // GMPService_h_

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