| // Copyright 2016 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| // Implementation of brillo_audio_service_impl.h |
| |
| #include "brillo_audio_service_impl.h" |
| |
| using android::binder::Status; |
| |
| namespace brillo { |
| |
| Status BrilloAudioServiceImpl::GetDevices(int flag, |
| std::vector<int>* _aidl_return) { |
| auto device_handler = audio_device_handler_.lock(); |
| if (!device_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio device handler died.")); |
| } |
| if (flag == BrilloAudioService::GET_DEVICES_INPUTS) { |
| device_handler->GetInputDevices(_aidl_return); |
| } else if (flag == BrilloAudioService::GET_DEVICES_OUTPUTS) { |
| device_handler->GetOutputDevices(_aidl_return); |
| } else { |
| return Status::fromServiceSpecificError(EINVAL, |
| android::String8("Invalid flag.")); |
| } |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::SetDevice(int usage, int config) { |
| auto device_handler = audio_device_handler_.lock(); |
| if (!device_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio device handler died.")); |
| } |
| int rc = |
| device_handler->SetDevice(static_cast<audio_policy_force_use_t>(usage), |
| static_cast<audio_policy_forced_cfg_t>(config)); |
| if (rc) return Status::fromServiceSpecificError(rc); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::RegisterServiceCallback( |
| const android::sp<IAudioServiceCallback>& callback) { |
| callbacks_set_.insert(callback); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::UnregisterServiceCallback( |
| const android::sp<IAudioServiceCallback>& callback) { |
| callbacks_set_.erase(callback); |
| return Status::ok(); |
| } |
| |
| void BrilloAudioServiceImpl::RegisterHandlers( |
| std::weak_ptr<AudioDeviceHandler> audio_device_handler, |
| std::weak_ptr<AudioVolumeHandler> audio_volume_handler) { |
| audio_device_handler_ = audio_device_handler; |
| audio_volume_handler_ = audio_volume_handler; |
| } |
| |
| Status BrilloAudioServiceImpl::GetMaxVolumeSteps(int stream, |
| int* _aidl_return) { |
| auto volume_handler = audio_volume_handler_.lock(); |
| if (!volume_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio volume handler died.")); |
| } |
| *_aidl_return = volume_handler->GetVolumeMaxSteps( |
| static_cast<audio_stream_type_t>(stream)); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::SetMaxVolumeSteps(int stream, int max_steps) { |
| auto volume_handler = audio_volume_handler_.lock(); |
| if (!volume_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio volume handler died.")); |
| } |
| int rc = volume_handler->SetVolumeMaxSteps( |
| static_cast<audio_stream_type_t>(stream), max_steps); |
| if (rc) |
| return Status::fromServiceSpecificError(rc); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::SetVolumeIndex(int stream, |
| int device, |
| int index) { |
| auto volume_handler = audio_volume_handler_.lock(); |
| if (!volume_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio volume handler died.")); |
| } |
| int rc = |
| volume_handler->SetVolumeIndex(static_cast<audio_stream_type_t>(stream), |
| static_cast<audio_devices_t>(device), |
| index); |
| if (rc) |
| return Status::fromServiceSpecificError(rc); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::GetVolumeIndex(int stream, |
| int device, |
| int* _aidl_return) { |
| auto volume_handler = audio_volume_handler_.lock(); |
| if (!volume_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio volume handler died.")); |
| } |
| *_aidl_return = |
| volume_handler->GetVolumeIndex(static_cast<audio_stream_type_t>(stream), |
| static_cast<audio_devices_t>(device)); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::IncrementVolume() { |
| auto volume_handler = audio_volume_handler_.lock(); |
| if (!volume_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio volume handler died.")); |
| } |
| volume_handler->AdjustVolumeActiveStreams(1); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::GetVolumeControlStream(int* _aidl_return) { |
| auto volume_handler = audio_volume_handler_.lock(); |
| if (!volume_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio volume handler died.")); |
| } |
| *_aidl_return = volume_handler->GetVolumeControlStream(); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::SetVolumeControlStream(int stream) { |
| auto volume_handler = audio_volume_handler_.lock(); |
| if (!volume_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio volume handler died.")); |
| } |
| volume_handler->SetVolumeControlStream( |
| static_cast<audio_stream_type_t>(stream)); |
| return Status::ok(); |
| } |
| |
| Status BrilloAudioServiceImpl::DecrementVolume() { |
| auto volume_handler = audio_volume_handler_.lock(); |
| if (!volume_handler) { |
| return Status::fromServiceSpecificError( |
| EREMOTEIO, android::String8("The audio volume handler died.")); |
| } |
| volume_handler->AdjustVolumeActiveStreams(-1); |
| return Status::ok(); |
| } |
| |
| void BrilloAudioServiceImpl::OnDevicesConnected( |
| const std::vector<int>& devices) { |
| for (const auto& callback : callbacks_set_) { |
| callback->OnAudioDevicesConnected(devices); |
| } |
| } |
| |
| void BrilloAudioServiceImpl::OnDevicesDisconnected( |
| const std::vector<int>& devices) { |
| for (const auto& callback : callbacks_set_) { |
| callback->OnAudioDevicesDisconnected(devices); |
| } |
| } |
| |
| void BrilloAudioServiceImpl::OnVolumeChanged(audio_stream_type_t stream, |
| int previous_index, |
| int current_index) { |
| for (const auto& callback : callbacks_set_) { |
| callback->OnVolumeChanged(stream, previous_index, current_index); |
| } |
| } |
| |
| } // namespace brillo |