1 // Copyright 2016 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 16 // Implementation of audio_service_callback. 17 18 #include "audio_service_callback.h" 19 20 #include <base/bind.h> 21 #include <base/logging.h> 22 23 #include "brillo_audio_client_helpers.h" 24 #include "brillo_audio_device_info_def.h" 25 26 using android::binder::Status; 27 28 namespace brillo { 29 30 AudioServiceCallback::AudioServiceCallback(const BAudioCallback* callback, 31 void* user_data) { 32 connected_callback_ = base::Bind(callback->OnAudioDeviceAdded); 33 disconnected_callback_ = base::Bind(callback->OnAudioDeviceRemoved); 34 volume_callback_ = base::Bind(callback->OnVolumeChanged); 35 user_data_ = user_data; 36 } 37 38 Status AudioServiceCallback::OnAudioDevicesConnected( 39 const std::vector<int>& devices) { 40 for (auto device : devices) { 41 BAudioDeviceInfo device_info; 42 device_info.internal_ = std::unique_ptr<BAudioDeviceInfoInternal>( 43 BAudioDeviceInfoInternal::CreateFromAudioDevicesT(device)); 44 connected_callback_.Run(&device_info, user_data_); 45 } 46 return Status::ok(); 47 } 48 49 Status AudioServiceCallback::OnAudioDevicesDisconnected( 50 const std::vector<int>& devices) { 51 for (auto device : devices) { 52 BAudioDeviceInfo device_info; 53 device_info.internal_ = std::unique_ptr<BAudioDeviceInfoInternal>( 54 BAudioDeviceInfoInternal::CreateFromAudioDevicesT(device)); 55 disconnected_callback_.Run(&device_info, user_data_); 56 } 57 return Status::ok(); 58 } 59 60 Status AudioServiceCallback::OnVolumeChanged(int stream, 61 int previous_index, 62 int current_index) { 63 auto usage = BrilloAudioClientHelpers::GetBAudioUsage( 64 static_cast<audio_stream_type_t>(stream)); 65 volume_callback_.Run(usage, previous_index, current_index, user_data_); 66 return Status::ok(); 67 } 68 69 bool AudioServiceCallback::Equals(const android::sp<AudioServiceCallback>& callback) { 70 if (callback->connected_callback_.Equals(connected_callback_) && 71 callback->disconnected_callback_.Equals(disconnected_callback_) && 72 callback->volume_callback_.Equals(volume_callback_) && 73 callback->user_data_ == user_data_) 74 return true; 75 return false; 76 } 77 78 } // namespace brillo 79
