tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

MediaParent.h (2808B)

      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 #include "mozilla/media/PMediaParent.h"
     12 
     13 namespace mozilla::media {
     14 
     15 // media::Parent implements the chrome-process side of ipc for media::Child APIs
     16 // A same-process version may also be created to service non-e10s calls.
     17 
     18 class OriginKeyStore;
     19 
     20 class NonE10s {
     21  typedef mozilla::ipc::IProtocol::ActorDestroyReason ActorDestroyReason;
     22 
     23 public:
     24  virtual ~NonE10s() = default;
     25 
     26 protected:
     27  virtual mozilla::ipc::IPCResult RecvGetPrincipalKey(
     28      const mozilla::ipc::PrincipalInfo& aPrincipalInfo, const bool& aPersist,
     29      PMediaParent::GetPrincipalKeyResolver&& aResolve) = 0;
     30  virtual mozilla::ipc::IPCResult RecvSanitizeOriginKeys(
     31      const uint64_t& aSinceWhen, const bool& aOnlyPrivateBrowsing) = 0;
     32  virtual void ActorDestroy(ActorDestroyReason aWhy) = 0;
     33 };
     34 
     35 /**
     36 * Dummy class to avoid a templated class being passed to the refcounting macro
     37 * (see Bug 1334421 for what happens then)
     38 */
     39 class RefCountedParent {
     40 public:
     41  NS_INLINE_DECL_THREADSAFE_REFCOUNTING_WITH_DELETE_ON_MAIN_THREAD(
     42      RefCountedParent)
     43 
     44 protected:
     45  virtual ~RefCountedParent() = default;
     46 };
     47 
     48 // Super = PMediaParent or NonE10s
     49 
     50 template <class Super>
     51 class Parent : public RefCountedParent, public Super {
     52  typedef mozilla::ipc::IProtocol::ActorDestroyReason ActorDestroyReason;
     53 
     54 public:
     55  virtual mozilla::ipc::IPCResult RecvGetPrincipalKey(
     56      const mozilla::ipc::PrincipalInfo& aPrincipalInfo, const bool& aPersist,
     57      PMediaParent::GetPrincipalKeyResolver&& aResolve) override;
     58  virtual mozilla::ipc::IPCResult RecvSanitizeOriginKeys(
     59      const uint64_t& aSinceWhen, const bool& aOnlyPrivateBrowsing) override;
     60  virtual void ActorDestroy(ActorDestroyReason aWhy) override;
     61 
     62  Parent();
     63 
     64 private:
     65  virtual ~Parent();
     66 
     67  RefPtr<OriginKeyStore> mOriginKeyStore;
     68  bool mDestroyed;
     69 };
     70 
     71 template <class Parent>
     72 mozilla::ipc::IPCResult IPCResult(Parent* aSelf, bool aSuccess);
     73 
     74 template <>
     75 inline mozilla::ipc::IPCResult IPCResult(Parent<PMediaParent>* aSelf,
     76                                         bool aSuccess) {
     77  return aSuccess ? IPC_OK() : IPC_FAIL_NO_REASON(aSelf);
     78 }
     79 
     80 template <>
     81 inline mozilla::ipc::IPCResult IPCResult(Parent<NonE10s>* aSelf,
     82                                         bool aSuccess) {
     83  return IPC_OK();
     84 }
     85 
     86 PMediaParent* AllocPMediaParent();
     87 bool DeallocPMediaParent(PMediaParent* aActor);
     88 
     89 }  // namespace mozilla::media
     90 
     91 #endif  // mozilla_MediaParent_h