GMPContentChild.h - mozsearch

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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 GMPContentChild_h_

#define GMPContentChild_h_

#include "mozilla/gmp/PGMPContentChild.h"

#include "GMPSharedMemManager.h"

#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)

#  include "mozilla/SandboxTestingChild.h"

#endif

namespace mozilla::gmp {

class GMPChild;

/**

 * This class allows the GMP process to receive requests to create GMP

 * decoder/encoder objects on behalf of the parent/content processes.

*/

class GMPContentChild : public PGMPContentChild, public GMPSharedMem {

 public:

  // Mark AddRef and Release as `final`, as they overload pure virtual

  // implementations in PGMPContentChild.

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPContentChild, final)

  explicit GMPContentChild(GMPChild* aChild) : mGMPChild(aChild) {}

  MessageLoop* GMPMessageLoop();

  mozilla::ipc::IPCResult RecvPGMPVideoDecoderConstructor(

      PGMPVideoDecoderChild* aActor) override;

  mozilla::ipc::IPCResult RecvPGMPVideoEncoderConstructor(

      PGMPVideoEncoderChild* aActor) override;

  mozilla::ipc::IPCResult RecvPChromiumCDMConstructor(

      PChromiumCDMChild* aActor, const nsACString& aKeySystem) override;

  already_AddRefed<PGMPVideoDecoderChild> AllocPGMPVideoDecoderChild();

  already_AddRefed<PGMPVideoEncoderChild> AllocPGMPVideoEncoderChild();

  already_AddRefed<PChromiumCDMChild> AllocPChromiumCDMChild(

      const nsACString& aKeySystem);

#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)

  mozilla::ipc::IPCResult RecvInitSandboxTesting(

      Endpoint<PSandboxTestingChild>&& aEndpoint);

#endif

  void ActorDestroy(ActorDestroyReason aWhy) override;

  void ProcessingError(Result aCode, const char* aReason) override;

  // GMPSharedMem

  void CheckThread() override;

  void CloseActive();

  bool IsUsed();

  GMPChild* mGMPChild;

 private:

  ~GMPContentChild() = default;

};

}  // namespace mozilla::gmp

#endif  // GMPContentChild_h_