gecko-dev/dom/media/systemservices/MediaParent.h

92 строки
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_MediaParent_h
#define mozilla_MediaParent_h
#include "MediaChild.h"
#include "mozilla/media/PMediaParent.h"
namespace mozilla::media {
// media::Parent implements the chrome-process side of ipc for media::Child APIs
// A same-process version may also be created to service non-e10s calls.
class OriginKeyStore;
class NonE10s {
typedef mozilla::ipc::IProtocol::ActorDestroyReason ActorDestroyReason;
public:
virtual ~NonE10s() = default;
protected:
virtual mozilla::ipc::IPCResult RecvGetPrincipalKey(
const mozilla::ipc::PrincipalInfo& aPrincipalInfo, const bool& aPersist,
PMediaParent::GetPrincipalKeyResolver&& aResolve) = 0;
virtual mozilla::ipc::IPCResult RecvSanitizeOriginKeys(
const uint64_t& aSinceWhen, const bool& aOnlyPrivateBrowsing) = 0;
virtual void ActorDestroy(ActorDestroyReason aWhy) = 0;
};
/**
* Dummy class to avoid a templated class being passed to the refcounting macro
* (see Bug 1334421 for what happens then)
*/
class RefCountedParent {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RefCountedParent)
protected:
virtual ~RefCountedParent() = default;
};
// Super = PMediaParent or NonE10s
template <class Super>
class Parent : public RefCountedParent, public Super {
typedef mozilla::ipc::IProtocol::ActorDestroyReason ActorDestroyReason;
public:
virtual mozilla::ipc::IPCResult RecvGetPrincipalKey(
const mozilla::ipc::PrincipalInfo& aPrincipalInfo, const bool& aPersist,
PMediaParent::GetPrincipalKeyResolver&& aResolve) override;
virtual mozilla::ipc::IPCResult RecvSanitizeOriginKeys(
const uint64_t& aSinceWhen, const bool& aOnlyPrivateBrowsing) override;
virtual void ActorDestroy(ActorDestroyReason aWhy) override;
Parent();
private:
virtual ~Parent();
RefPtr<OriginKeyStore> mOriginKeyStore;
bool mDestroyed;
};
template <class Parent>
mozilla::ipc::IPCResult IPCResult(Parent* aSelf, bool aSuccess);
template <>
inline mozilla::ipc::IPCResult IPCResult(Parent<PMediaParent>* aSelf,
bool aSuccess) {
return aSuccess ? IPC_OK() : IPC_FAIL_NO_REASON(aSelf);
}
template <>
inline mozilla::ipc::IPCResult IPCResult(Parent<NonE10s>* aSelf,
bool aSuccess) {
return IPC_OK();
}
PMediaParent* AllocPMediaParent();
bool DeallocPMediaParent(PMediaParent* aActor);
} // namespace mozilla::media
#endif // mozilla_MediaParent_h