1 /* 2 * Copyright (C) 2017 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.app.settings.SettingsEnums; 19 import android.bluetooth.BluetoothAdapter; 20 import android.bluetooth.BluetoothDevice; 21 import android.content.Context; 22 import android.util.Log; 23 24 import androidx.annotation.VisibleForTesting; 25 import androidx.preference.Preference; 26 27 import com.android.settings.connecteddevice.DevicePreferenceCallback; 28 import com.android.settingslib.bluetooth.CachedBluetoothDevice; 29 import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager; 30 31 import java.util.ArrayList; 32 import java.util.List; 33 34 /** 35 * Maintain and update saved bluetooth devices(bonded but not connected) 36 */ 37 public class SavedBluetoothDeviceUpdater extends BluetoothDeviceUpdater 38 implements Preference.OnPreferenceClickListener { 39 40 private static final String TAG = "SavedBluetoothDeviceUpdater"; 41 private static final boolean DBG = Log.isLoggable(BluetoothDeviceUpdater.TAG, Log.DEBUG); 42 43 private static final String PREF_KEY = "saved_bt"; 44 45 private final boolean mShowConnectedDevice; 46 47 @VisibleForTesting 48 BluetoothAdapter mBluetoothAdapter; 49 SavedBluetoothDeviceUpdater(Context context, DevicePreferenceCallback devicePreferenceCallback, boolean showConnectedDevice, int metricsCategory)50 public SavedBluetoothDeviceUpdater(Context context, 51 DevicePreferenceCallback devicePreferenceCallback, boolean showConnectedDevice, 52 int metricsCategory) { 53 super(context, devicePreferenceCallback, metricsCategory); 54 mShowConnectedDevice = showConnectedDevice; 55 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); 56 } 57 58 @Override forceUpdate()59 public void forceUpdate() { 60 if (mBluetoothAdapter.isEnabled()) { 61 final CachedBluetoothDeviceManager cachedManager = 62 mLocalManager.getCachedDeviceManager(); 63 final List<BluetoothDevice> bluetoothDevices = 64 mBluetoothAdapter.getMostRecentlyConnectedDevices(); 65 removePreferenceIfNecessary(bluetoothDevices, cachedManager); 66 for (BluetoothDevice device : bluetoothDevices) { 67 final CachedBluetoothDevice cachedDevice = cachedManager.findDevice(device); 68 if (cachedDevice != null && !cachedManager.isSubDevice(device)) { 69 update(cachedDevice); 70 } 71 } 72 } else { 73 removeAllDevicesFromPreference(); 74 } 75 } 76 removePreferenceIfNecessary(List<BluetoothDevice> bluetoothDevices, CachedBluetoothDeviceManager cachedManager)77 private void removePreferenceIfNecessary(List<BluetoothDevice> bluetoothDevices, 78 CachedBluetoothDeviceManager cachedManager) { 79 for (BluetoothDevice device : new ArrayList<>(mPreferenceMap.keySet())) { 80 if (!bluetoothDevices.contains(device)) { 81 final CachedBluetoothDevice cachedDevice = cachedManager.findDevice(device); 82 if (cachedDevice != null) { 83 removePreference(cachedDevice); 84 } 85 } 86 } 87 } 88 89 @Override update(CachedBluetoothDevice cachedDevice)90 public void update(CachedBluetoothDevice cachedDevice) { 91 if (isFilterMatched(cachedDevice)) { 92 // Add the preference if it is new one 93 addPreference(cachedDevice, BluetoothDevicePreference.SortType.TYPE_NO_SORT); 94 } else { 95 removePreference(cachedDevice); 96 } 97 Log.d(TAG, "Map : " + mPreferenceMap); 98 } 99 100 @Override isFilterMatched(CachedBluetoothDevice cachedDevice)101 public boolean isFilterMatched(CachedBluetoothDevice cachedDevice) { 102 final BluetoothDevice device = cachedDevice.getDevice(); 103 if (DBG) { 104 Log.d(TAG, "isFilterMatched() device name : " + cachedDevice.getName() + 105 ", is connected : " + device.isConnected() + ", is profile connected : " 106 + cachedDevice.isConnected()); 107 } 108 return device.getBondState() == BluetoothDevice.BOND_BONDED 109 && (mShowConnectedDevice || (!device.isConnected() && isDeviceInCachedDevicesList( 110 cachedDevice))); 111 } 112 113 @Override onPreferenceClick(Preference preference)114 public boolean onPreferenceClick(Preference preference) { 115 mMetricsFeatureProvider.logClickedPreference(preference, mMetricsCategory); 116 final CachedBluetoothDevice device = ((BluetoothDevicePreference) preference) 117 .getBluetoothDevice(); 118 if (device.isConnected()) { 119 return device.setActive(); 120 } 121 mMetricsFeatureProvider.action(mPrefContext, 122 SettingsEnums.ACTION_SETTINGS_BLUETOOTH_CONNECT); 123 device.connect(); 124 return true; 125 } 126 127 @Override getPreferenceKey()128 protected String getPreferenceKey() { 129 return PREF_KEY; 130 } 131 132 @Override getLogTag()133 protected String getLogTag() { 134 return TAG; 135 } 136 } 137