1 /* 2 * Copyright (C) 2023 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 17 package com.android.settings.accessibility; 18 19 import android.bluetooth.BluetoothDevice; 20 import android.content.Context; 21 22 import com.android.settings.bluetooth.SavedBluetoothDeviceUpdater; 23 import com.android.settings.connecteddevice.DevicePreferenceCallback; 24 import com.android.settingslib.bluetooth.CachedBluetoothDevice; 25 26 /** 27 * Maintains and updates saved (bonded but not connected) hearing devices, including ASHA and HAP 28 * profile. 29 */ 30 public class SavedHearingDeviceUpdater extends SavedBluetoothDeviceUpdater { 31 32 private static final String PREF_KEY_PREFIX = "saved_hearing_device_"; 33 SavedHearingDeviceUpdater(Context context, DevicePreferenceCallback devicePreferenceCallback, int metricsCategory)34 public SavedHearingDeviceUpdater(Context context, 35 DevicePreferenceCallback devicePreferenceCallback, int metricsCategory) { 36 super(context, devicePreferenceCallback, /* showConnectedDevice= */ false, metricsCategory); 37 } 38 isSavedHearingAidDevice(CachedBluetoothDevice cachedDevice)39 static boolean isSavedHearingAidDevice(CachedBluetoothDevice cachedDevice) { 40 final BluetoothDevice device = cachedDevice.getDevice(); 41 return cachedDevice.isHearingAidDevice() 42 && device.getBondState() == BluetoothDevice.BOND_BONDED 43 && !device.isConnected(); 44 } 45 46 @Override isFilterMatched(CachedBluetoothDevice cachedDevice)47 public boolean isFilterMatched(CachedBluetoothDevice cachedDevice) { 48 return isSavedHearingAidDevice(cachedDevice) && isDeviceInCachedDevicesList(cachedDevice); 49 } 50 51 @Override getPreferenceKeyPrefix()52 protected String getPreferenceKeyPrefix() { 53 return PREF_KEY_PREFIX; 54 } 55 } 56