1 /* 2 * Copyright (C) 2024 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.bluetooth.le_scan; 18 19 import static com.android.bluetooth.Utils.getSystemClock; 20 21 import android.os.Looper; 22 import android.util.Log; 23 24 import com.android.bluetooth.Utils; 25 import com.android.bluetooth.btservice.AdapterService; 26 import com.android.bluetooth.btservice.BluetoothAdapterProxy; 27 28 /** Factory class for object initialization to help with unit testing */ 29 public class ScanObjectsFactory { 30 private static final String TAG = ScanObjectsFactory.class.getSimpleName(); 31 32 private static ScanObjectsFactory sInstance; 33 private static final Object INSTANCE_LOCK = new Object(); 34 ScanObjectsFactory()35 private ScanObjectsFactory() {} 36 37 /** 38 * Get the singleton instance of object factory 39 * 40 * @return the singleton instance, guaranteed not null 41 */ getInstance()42 public static ScanObjectsFactory getInstance() { 43 synchronized (INSTANCE_LOCK) { 44 if (sInstance == null) { 45 sInstance = new ScanObjectsFactory(); 46 } 47 } 48 return sInstance; 49 } 50 51 /** 52 * Allow unit tests to substitute ScanObjectsFactory with a test instance 53 * 54 * @param objectsFactory a test instance of the ScanObjectsFactory 55 */ setInstanceForTesting(ScanObjectsFactory objectsFactory)56 public static void setInstanceForTesting(ScanObjectsFactory objectsFactory) { 57 Utils.enforceInstrumentationTestMode(); 58 synchronized (INSTANCE_LOCK) { 59 Log.d(TAG, "setInstanceForTesting(), set to " + objectsFactory); 60 sInstance = objectsFactory; 61 } 62 } 63 getScanNativeInterface()64 public ScanNativeInterface getScanNativeInterface() { 65 return ScanNativeInterface.getInstance(); 66 } 67 68 /** 69 * Create an instance of ScanManager 70 * 71 * @param adapterService an AdapterService instance 72 * @param scanController a ScanController instance 73 * @param bluetoothAdapterProxy a bluetoothAdapterProxy instance 74 * @param looper the looper to be used for processing messages 75 * @return the created ScanManager instance 76 */ createScanManager( AdapterService adapterService, ScanController scanController, BluetoothAdapterProxy bluetoothAdapterProxy, Looper looper)77 public ScanManager createScanManager( 78 AdapterService adapterService, 79 ScanController scanController, 80 BluetoothAdapterProxy bluetoothAdapterProxy, 81 Looper looper) { 82 return new ScanManager( 83 adapterService, scanController, bluetoothAdapterProxy, looper, getSystemClock()); 84 } 85 createPeriodicScanManager()86 public PeriodicScanManager createPeriodicScanManager() { 87 return new PeriodicScanManager(); 88 } 89 } 90