1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.settings.bluetooth; 17 18 import android.bluetooth.BluetoothProfile; 19 import android.content.Context; 20 import android.media.AudioManager; 21 import android.support.annotation.VisibleForTesting; 22 import android.util.Log; 23 24 import com.android.settings.connecteddevice.DevicePreferenceCallback; 25 import com.android.settings.dashboard.DashboardFragment; 26 import com.android.settingslib.bluetooth.LocalBluetoothManager; 27 import com.android.settingslib.bluetooth.CachedBluetoothDevice; 28 import android.support.v7.preference.Preference; 29 30 /** 31 * Controller to maintain available media Bluetooth devices 32 */ 33 public class AvailableMediaBluetoothDeviceUpdater extends BluetoothDeviceUpdater 34 implements Preference.OnPreferenceClickListener { 35 36 private static final String TAG = "AvailableMediaBluetoothDeviceUpdater"; 37 private static final boolean DBG = false; 38 39 private final AudioManager mAudioManager; 40 AvailableMediaBluetoothDeviceUpdater(Context context, DashboardFragment fragment, DevicePreferenceCallback devicePreferenceCallback)41 public AvailableMediaBluetoothDeviceUpdater(Context context, DashboardFragment fragment, 42 DevicePreferenceCallback devicePreferenceCallback) { 43 super(context, fragment, devicePreferenceCallback); 44 mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); 45 } 46 47 @VisibleForTesting AvailableMediaBluetoothDeviceUpdater(DashboardFragment fragment, DevicePreferenceCallback devicePreferenceCallback, LocalBluetoothManager localBluetoothManager)48 AvailableMediaBluetoothDeviceUpdater(DashboardFragment fragment, 49 DevicePreferenceCallback devicePreferenceCallback, 50 LocalBluetoothManager localBluetoothManager) { 51 super(fragment, devicePreferenceCallback, localBluetoothManager); 52 mAudioManager = (AudioManager) fragment.getContext(). 53 getSystemService(Context.AUDIO_SERVICE); 54 } 55 56 @Override onAudioModeChanged()57 public void onAudioModeChanged() { 58 forceUpdate(); 59 } 60 61 @Override onProfileConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state, int bluetoothProfile)62 public void onProfileConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state, 63 int bluetoothProfile) { 64 if (DBG) { 65 Log.d(TAG, "onProfileConnectionStateChanged() device: " + 66 cachedDevice.getName() + ", state: " + state + ", bluetoothProfile: " 67 + bluetoothProfile); 68 } 69 if (state == BluetoothProfile.STATE_CONNECTED) { 70 if (isFilterMatched(cachedDevice)) { 71 addPreference(cachedDevice); 72 } else { 73 removePreference(cachedDevice); 74 } 75 } else if (state == BluetoothProfile.STATE_DISCONNECTED) { 76 removePreference(cachedDevice); 77 } 78 } 79 80 @Override isFilterMatched(CachedBluetoothDevice cachedDevice)81 public boolean isFilterMatched(CachedBluetoothDevice cachedDevice) { 82 final int audioMode = mAudioManager.getMode(); 83 final int currentAudioProfile; 84 85 if (audioMode == AudioManager.MODE_RINGTONE 86 || audioMode == AudioManager.MODE_IN_CALL 87 || audioMode == AudioManager.MODE_IN_COMMUNICATION) { 88 // in phone call 89 currentAudioProfile = BluetoothProfile.HEADSET; 90 } else { 91 // without phone call 92 currentAudioProfile = BluetoothProfile.A2DP; 93 } 94 95 boolean isFilterMatched = false; 96 if (isDeviceConnected(cachedDevice)) { 97 if (DBG) { 98 Log.d(TAG, "isFilterMatched() current audio profile : " + currentAudioProfile); 99 } 100 // According to the current audio profile type, 101 // this page will show the bluetooth device that have corresponding profile. 102 // For example: 103 // If current audio profile is a2dp, show the bluetooth device that have a2dp profile. 104 // If current audio profile is headset, 105 // show the bluetooth device that have headset profile. 106 switch (currentAudioProfile) { 107 case BluetoothProfile.A2DP: 108 isFilterMatched = cachedDevice.isA2dpDevice(); 109 break; 110 case BluetoothProfile.HEADSET: 111 isFilterMatched = cachedDevice.isHfpDevice(); 112 break; 113 } 114 if (DBG) { 115 Log.d(TAG, "isFilterMatched() device : " + 116 cachedDevice.getName() + ", isFilterMatched : " + isFilterMatched); 117 } 118 } 119 return isFilterMatched; 120 } 121 122 @Override onPreferenceClick(Preference preference)123 public boolean onPreferenceClick(Preference preference) { 124 final CachedBluetoothDevice device = ((BluetoothDevicePreference) preference) 125 .getBluetoothDevice(); 126 return device.setActive(); 127 } 128 } 129 130