Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set sw=2 ts=8 et ft=cpp : */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
       5             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_MediaParent_h
       8             : #define mozilla_MediaParent_h
       9             : 
      10             : #include "MediaChild.h"
      11             : 
      12             : #include "mozilla/dom/ContentParent.h"
      13             : #include "mozilla/media/PMediaParent.h"
      14             : 
      15             : namespace mozilla {
      16             : namespace media {
      17             : 
      18             : // media::Parent implements the chrome-process side of ipc for media::Child APIs
      19             : // A same-process version may also be created to service non-e10s calls.
      20             : 
      21             : class OriginKeyStore;
      22             : 
      23           0 : class NonE10s
      24             : {
      25             :   typedef mozilla::ipc::IProtocol::ActorDestroyReason
      26             :       ActorDestroyReason;
      27             : public:
      28           0 :   virtual ~NonE10s() {}
      29             : protected:
      30             :   virtual mozilla::ipc::IPCResult
      31             :   RecvGetPrincipalKey(const uint32_t& aRequestId,
      32             :                       const mozilla::ipc::PrincipalInfo& aPrincipalInfo,
      33             :                       const bool& aPersist) = 0;
      34             :   virtual mozilla::ipc::IPCResult RecvSanitizeOriginKeys(const uint64_t& aSinceWhen,
      35             :                                                          const bool& aOnlyPrivateBrowsing) = 0;
      36             :   virtual void
      37             :   ActorDestroy(ActorDestroyReason aWhy) = 0;
      38             : 
      39             :   bool SendGetPrincipalKeyResponse(const uint32_t& aRequestId,
      40             :                                    nsCString aKey);
      41             : };
      42             : 
      43             : /**
      44             :  * Dummy class to avoid a templated class being passed to the refcounting macro
      45             :  * (see Bug 1334421 for what happens then)
      46             :  */
      47           0 : class RefCountedParent
      48             : {
      49             : public:
      50           0 :   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RefCountedParent)
      51             : 
      52             : protected:
      53           0 :   virtual ~RefCountedParent() {}
      54             : };
      55             : 
      56             : // Super = PMediaParent or NonE10s
      57             : 
      58             : template<class Super>
      59             : class Parent : public RefCountedParent, public Super
      60             : {
      61             :   typedef mozilla::ipc::IProtocol::ActorDestroyReason
      62             :       ActorDestroyReason;
      63             : public:
      64             :   virtual mozilla::ipc::IPCResult
      65             :   RecvGetPrincipalKey(const uint32_t& aRequestId,
      66             :                       const mozilla::ipc::PrincipalInfo& aPrincipalInfo,
      67             :                       const bool& aPersist) override;
      68             :   virtual mozilla::ipc::IPCResult RecvSanitizeOriginKeys(const uint64_t& aSinceWhen,
      69             :                                                          const bool& aOnlyPrivateBrowsing) override;
      70             :   virtual void ActorDestroy(ActorDestroyReason aWhy) override;
      71             : 
      72             :   Parent();
      73             : private:
      74             :   virtual ~Parent();
      75             : 
      76             :   RefPtr<OriginKeyStore> mOriginKeyStore;
      77             :   bool mDestroyed;
      78             : 
      79             :   CoatCheck<Pledge<nsCString>> mOutstandingPledges;
      80             : };
      81             : 
      82             : template<class Parent>
      83             : mozilla::ipc::IPCResult IPCResult(Parent* aSelf, bool aSuccess);
      84             : 
      85             : template<>
      86           0 : inline mozilla::ipc::IPCResult IPCResult(Parent<PMediaParent>* aSelf, bool aSuccess)
      87             : {
      88           0 :   return aSuccess ? IPC_OK() : IPC_FAIL_NO_REASON(aSelf);
      89             : }
      90             : 
      91             : template<>
      92           0 : inline mozilla::ipc::IPCResult IPCResult(Parent<NonE10s>* aSelf, bool aSuccess)
      93             : {
      94           0 :   return IPC_OK();
      95             : }
      96             : 
      97             : PMediaParent* AllocPMediaParent();
      98             : bool DeallocPMediaParent(PMediaParent *aActor);
      99             : 
     100             : } // namespace media
     101             : } // namespace mozilla
     102             : 
     103             : #endif  // mozilla_MediaParent_h