| /* |
| * Copyright (C) 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. |
| */ |
| |
| |
| package android.brillo.brilloaudioservice; |
| |
| /* |
| * Interface for the callback object registered with IBrilloAudioService. Used |
| * to notify clients about changes to the audio system. |
| */ |
| interface IAudioServiceCallback { |
| // Oneway call triggered when audio devices are connected to the system. |
| oneway void OnAudioDevicesConnected(in int[] added_devices); |
| |
| // Oneway call triggered when audio devices are disconnected from the system. |
| oneway void OnAudioDevicesDisconnected(in int[] removed_devices); |
| |
| // Oneway call triggered when the volume is changed. If there are |
| // multiple active streams, this call will be called multiple times. |
| oneway void OnVolumeChanged( |
| int stream_type, int old_volume_index, int new_volume_index); |
| } |
