| /* |
| * Copyright (C) 2018 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 com.android.server.telecom.bluetooth; |
| |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothHeadset; |
| import android.bluetooth.BluetoothHearingAid; |
| import android.bluetooth.BluetoothLeAudio; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.telecom.Log; |
| import android.telecom.Logging.Session; |
| |
| import com.android.internal.os.SomeArgs; |
| |
| import static com.android.server.telecom.bluetooth.BluetoothRouteManager.BT_AUDIO_IS_ON; |
| import static com.android.server.telecom.bluetooth.BluetoothRouteManager.BT_AUDIO_LOST; |
| |
| |
| public class BluetoothStateReceiver extends BroadcastReceiver { |
| private static final String LOG_TAG = BluetoothStateReceiver.class.getSimpleName(); |
| public static final IntentFilter INTENT_FILTER; |
| static { |
| INTENT_FILTER = new IntentFilter(); |
| INTENT_FILTER.addAction(BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED); |
| INTENT_FILTER.addAction(BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED); |
| INTENT_FILTER.addAction(BluetoothHeadset.ACTION_ACTIVE_DEVICE_CHANGED); |
| INTENT_FILTER.addAction(BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED); |
| INTENT_FILTER.addAction(BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED); |
| INTENT_FILTER.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED); |
| INTENT_FILTER.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED); |
| INTENT_FILTER.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_NODE_STATUS_CHANGED); |
| INTENT_FILTER.addAction(BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_STATUS_CHANGED); |
| } |
| |
| // If not in a call, BSR won't listen to the Bluetooth stack's HFP on/off messages, since |
| // other apps could be turning it on and off. We don't want to interfere. |
| private boolean mIsInCall = false; |
| private final BluetoothRouteManager mBluetoothRouteManager; |
| private final BluetoothDeviceManager mBluetoothDeviceManager; |
| |
| public void onReceive(Context context, Intent intent) { |
| Log.startSession("BSR.oR"); |
| try { |
| String action = intent.getAction(); |
| switch (action) { |
| case BluetoothHeadset.ACTION_AUDIO_STATE_CHANGED: |
| handleAudioStateChanged(intent); |
| break; |
| case BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED: |
| case BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED: |
| case BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED: |
| handleConnectionStateChanged(intent); |
| break; |
| case BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED: |
| case BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED: |
| case BluetoothHeadset.ACTION_ACTIVE_DEVICE_CHANGED: |
| handleActiveDeviceChanged(intent); |
| break; |
| case BluetoothLeAudio.ACTION_LE_AUDIO_GROUP_NODE_STATUS_CHANGED: |
| handleGroupNodeStatusChanged(intent); |
| break; |
| } |
| } finally { |
| Log.endSession(); |
| } |
| } |
| |
| private void handleAudioStateChanged(Intent intent) { |
| int bluetoothHeadsetAudioState = |
| intent.getIntExtra(BluetoothHeadset.EXTRA_STATE, |
| BluetoothHeadset.STATE_AUDIO_DISCONNECTED); |
| BluetoothDevice device = |
| intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| if (device == null) { |
| Log.w(LOG_TAG, "Got null device from broadcast. " + |
| "Ignoring."); |
| return; |
| } |
| |
| Log.i(LOG_TAG, "Device %s transitioned to audio state %d", |
| device.getAddress(), bluetoothHeadsetAudioState); |
| Session session = Log.createSubsession(); |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = session; |
| args.arg2 = device.getAddress(); |
| switch (bluetoothHeadsetAudioState) { |
| case BluetoothHeadset.STATE_AUDIO_CONNECTED: |
| if (!mIsInCall) { |
| Log.i(LOG_TAG, "Ignoring BT audio on since we're not in a call"); |
| return; |
| } |
| mBluetoothRouteManager.sendMessage(BT_AUDIO_IS_ON, args); |
| break; |
| case BluetoothHeadset.STATE_AUDIO_DISCONNECTED: |
| mBluetoothRouteManager.sendMessage(BT_AUDIO_LOST, args); |
| break; |
| } |
| } |
| |
| private void handleConnectionStateChanged(Intent intent) { |
| int bluetoothHeadsetState = intent.getIntExtra(BluetoothHeadset.EXTRA_STATE, |
| BluetoothHeadset.STATE_DISCONNECTED); |
| BluetoothDevice device = |
| intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| |
| if (device == null) { |
| Log.w(LOG_TAG, "Got null device from broadcast. " + |
| "Ignoring."); |
| return; |
| } |
| |
| int deviceType; |
| if (BluetoothLeAudio.ACTION_LE_AUDIO_CONNECTION_STATE_CHANGED.equals(intent.getAction())) { |
| deviceType = BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO; |
| } else if (BluetoothHearingAid.ACTION_CONNECTION_STATE_CHANGED.equals(intent.getAction())) { |
| deviceType = BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID; |
| } else if (BluetoothHeadset.ACTION_CONNECTION_STATE_CHANGED.equals(intent.getAction())) { |
| deviceType = BluetoothDeviceManager.DEVICE_TYPE_HEADSET; |
| } else { |
| Log.w(LOG_TAG, "handleConnectionStateChanged: %s invalid device type", device); |
| return; |
| } |
| |
| Log.i(LOG_TAG, "%s device %s changed state to %d", |
| BluetoothDeviceManager.getDeviceTypeString(deviceType), |
| device.getAddress(), bluetoothHeadsetState); |
| |
| if (bluetoothHeadsetState == BluetoothProfile.STATE_CONNECTED) { |
| mBluetoothDeviceManager.onDeviceConnected(device, deviceType); |
| } else if (bluetoothHeadsetState == BluetoothProfile.STATE_DISCONNECTED |
| || bluetoothHeadsetState == BluetoothProfile.STATE_DISCONNECTING) { |
| mBluetoothDeviceManager.onDeviceDisconnected(device, deviceType); |
| } |
| } |
| |
| private void handleActiveDeviceChanged(Intent intent) { |
| BluetoothDevice device = |
| intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| |
| int deviceType; |
| if (BluetoothLeAudio.ACTION_LE_AUDIO_ACTIVE_DEVICE_CHANGED.equals(intent.getAction())) { |
| deviceType = BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO; |
| } else if (BluetoothHearingAid.ACTION_ACTIVE_DEVICE_CHANGED.equals(intent.getAction())) { |
| deviceType = BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID; |
| } else if (BluetoothHeadset.ACTION_ACTIVE_DEVICE_CHANGED.equals(intent.getAction())) { |
| deviceType = BluetoothDeviceManager.DEVICE_TYPE_HEADSET; |
| } else { |
| Log.w(LOG_TAG, "handleActiveDeviceChanged: %s invalid device type", device); |
| return; |
| } |
| |
| Log.i(LOG_TAG, "Device %s is now the preferred BT device for %s", device, |
| BluetoothDeviceManager.getDeviceTypeString(deviceType)); |
| |
| mBluetoothRouteManager.onActiveDeviceChanged(device, deviceType); |
| if (deviceType == BluetoothDeviceManager.DEVICE_TYPE_HEARING_AID || |
| deviceType == BluetoothDeviceManager.DEVICE_TYPE_LE_AUDIO) { |
| Session session = Log.createSubsession(); |
| SomeArgs args = SomeArgs.obtain(); |
| args.arg1 = session; |
| if (device == null) { |
| mBluetoothRouteManager.sendMessage(BT_AUDIO_LOST, args); |
| } else { |
| if (!mIsInCall) { |
| Log.i(LOG_TAG, "Ignoring audio on since we're not in a call"); |
| return; |
| } |
| args.arg2 = device.getAddress(); |
| mBluetoothRouteManager.sendMessage(BT_AUDIO_IS_ON, args); |
| } |
| } |
| } |
| |
| private void handleGroupNodeStatusChanged(Intent intent) { |
| BluetoothDevice device = |
| intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| |
| int groupId = intent.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_ID, |
| BluetoothLeAudio.GROUP_ID_INVALID); |
| int groupNodeStatus = intent.getIntExtra(BluetoothLeAudio.EXTRA_LE_AUDIO_GROUP_NODE_STATUS, |
| -1); |
| |
| if (groupNodeStatus == BluetoothLeAudio.GROUP_NODE_ADDED) { |
| mBluetoothDeviceManager.onGroupNodeAdded(device, groupId); |
| } else { |
| mBluetoothDeviceManager.onGroupNodeRemoved(device, groupId); |
| } |
| } |
| |
| public BluetoothDeviceManager getBluetoothDeviceManager() { |
| return mBluetoothDeviceManager; |
| } |
| |
| public BluetoothStateReceiver(BluetoothDeviceManager deviceManager, |
| BluetoothRouteManager routeManager) { |
| mBluetoothDeviceManager = deviceManager; |
| mBluetoothRouteManager = routeManager; |
| } |
| |
| public void setIsInCall(boolean isInCall) { |
| mIsInCall = isInCall; |
| } |
| } |