1 /* 2 * Copyright (C) 2022 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.server.telecom; 18 19 import android.telecom.Log; 20 import android.telecom.PhoneAccountHandle; 21 22 import com.android.internal.telecom.ICallEventCallback; 23 import com.android.server.telecom.flags.FeatureFlags; 24 import com.android.server.telecom.callsequencing.TransactionManager; 25 26 import java.util.HashMap; 27 import java.util.Map; 28 29 /** 30 * Tracks all TransactionalServiceWrappers that have an ongoing call. Removes wrappers that have no 31 * more calls. 32 */ 33 public class TransactionalServiceRepository { 34 private static final String TAG = TransactionalServiceRepository.class.getSimpleName(); 35 private static final Map<PhoneAccountHandle, TransactionalServiceWrapper> mServiceLookupTable = 36 new HashMap<>(); 37 private final FeatureFlags mFlags; 38 private final AnomalyReporterAdapter mAnomalyReporter; 39 TransactionalServiceRepository( FeatureFlags flags, AnomalyReporterAdapter anomalyReporter)40 public TransactionalServiceRepository( 41 FeatureFlags flags, 42 AnomalyReporterAdapter anomalyReporter) { 43 mFlags = flags; 44 mAnomalyReporter = anomalyReporter; 45 } 46 addNewCallForTransactionalServiceWrapper(PhoneAccountHandle phoneAccountHandle, ICallEventCallback callEventCallback, CallsManager callsManager, Call call)47 public TransactionalServiceWrapper addNewCallForTransactionalServiceWrapper 48 (PhoneAccountHandle phoneAccountHandle, ICallEventCallback callEventCallback, 49 CallsManager callsManager, Call call) { 50 TransactionalServiceWrapper service; 51 // Only create a new TransactionalServiceWrapper if this is the first call for a package. 52 // Otherwise, get the existing TSW and add the new call to the service. 53 if (!hasExistingServiceWrapper(phoneAccountHandle)) { 54 Log.d(TAG, "creating a new TSW; handle=[%s]", phoneAccountHandle); 55 service = new TransactionalServiceWrapper(callEventCallback, 56 callsManager, phoneAccountHandle, call, this, 57 TransactionManager.getInstance(), mFlags.enableCallSequencing(), 58 mFlags, mAnomalyReporter); 59 } else { 60 Log.d(TAG, "add a new call to an existing TSW; handle=[%s]", phoneAccountHandle); 61 service = getTransactionalServiceWrapper(phoneAccountHandle); 62 if (service == null) { 63 throw new IllegalStateException("service is null"); 64 } else { 65 service.trackCall(call); 66 } 67 } 68 69 mServiceLookupTable.put(phoneAccountHandle, service); 70 71 return service; 72 } 73 getTransactionalServiceWrapper(PhoneAccountHandle pah)74 private TransactionalServiceWrapper getTransactionalServiceWrapper(PhoneAccountHandle pah) { 75 return mServiceLookupTable.get(pah); 76 } 77 hasExistingServiceWrapper(PhoneAccountHandle pah)78 private boolean hasExistingServiceWrapper(PhoneAccountHandle pah) { 79 return mServiceLookupTable.containsKey(pah); 80 } 81 removeServiceWrapper(PhoneAccountHandle pah)82 public boolean removeServiceWrapper(PhoneAccountHandle pah) { 83 Log.i(TAG, "removeServiceWrapper: for phoneAccountHandle=[%s]", pah); 84 if (!hasExistingServiceWrapper(pah)) { 85 return false; 86 } 87 mServiceLookupTable.remove(pah); 88 return true; 89 } 90 } 91