| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_REMOTING_SINK_AVAILABILITY_OBSERVER_H_ |
| #define MEDIA_REMOTING_SINK_AVAILABILITY_OBSERVER_H_ |
| |
| #include "media/mojo/interfaces/remoting.mojom.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| |
| namespace media { |
| namespace remoting { |
| |
| // Implements the RemotingSource interface for the sole purpose of monitoring |
| // sink availability status. |
| class SinkAvailabilityObserver final : public mojom::RemotingSource { |
| public: |
| SinkAvailabilityObserver(mojom::RemotingSourceRequest source_request, |
| mojom::RemoterPtr remoter); |
| ~SinkAvailabilityObserver() override; |
| |
| const mojom::RemotingSinkMetadata& sink_metadata() const { |
| return sink_metadata_; |
| } |
| |
| bool IsRemoteDecryptionAvailable() const; |
| |
| // RemotingSource implementations. |
| void OnSinkAvailable(mojom::RemotingSinkMetadataPtr metadata) override; |
| void OnSinkGone() override; |
| void OnStarted() override {} |
| void OnStartFailed(mojom::RemotingStartFailReason reason) override {} |
| void OnMessageFromSink(const std::vector<uint8_t>& message) override {} |
| void OnStopped(mojom::RemotingStopReason reason) override {} |
| |
| private: |
| const mojo::Binding<mojom::RemotingSource> binding_; |
| const mojom::RemoterPtr remoter_; |
| |
| // When the sink is available for remoting, this describes its metadata. When |
| // not available, this is empty. Updated by OnSinkAvailable/Gone(). |
| mojom::RemotingSinkMetadata sink_metadata_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SinkAvailabilityObserver); |
| }; |
| |
| } // namespace remoting |
| } // namespace media |
| |
| #endif // MEDIA_REMOTING_SINK_AVAILABILITY_OBSERVER_H_ |