1/* 2 * Copyright (C) 2013 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 17package com.android.server.telecom; 18 19import android.content.ComponentName; 20import android.content.Context; 21import android.os.UserHandle; 22import android.util.Pair; 23 24import com.android.internal.util.IndentingPrintWriter; 25 26import java.util.HashMap; 27 28/** 29 * Searches for and returns connection services. 30 */ 31final class ConnectionServiceRepository { 32 private final HashMap<Pair<ComponentName, UserHandle>, ConnectionServiceWrapper> mServiceCache = 33 new HashMap<>(); 34 private final PhoneAccountRegistrar mPhoneAccountRegistrar; 35 private final Context mContext; 36 private final TelecomSystem.SyncRoot mLock; 37 private final CallsManager mCallsManager; 38 39 private final ServiceBinder.Listener<ConnectionServiceWrapper> mUnbindListener = 40 new ServiceBinder.Listener<ConnectionServiceWrapper>() { 41 @Override 42 public void onUnbind(ConnectionServiceWrapper service) { 43 synchronized (mLock) { 44 mServiceCache.remove(service.getComponentName()); 45 } 46 } 47 }; 48 49 ConnectionServiceRepository( 50 PhoneAccountRegistrar phoneAccountRegistrar, 51 Context context, 52 TelecomSystem.SyncRoot lock, 53 CallsManager callsManager) { 54 mPhoneAccountRegistrar = phoneAccountRegistrar; 55 mContext = context; 56 mLock = lock; 57 mCallsManager = callsManager; 58 } 59 60 ConnectionServiceWrapper getService(ComponentName componentName, UserHandle userHandle) { 61 Pair<ComponentName, UserHandle> cacheKey = Pair.create(componentName, userHandle); 62 ConnectionServiceWrapper service = mServiceCache.get(cacheKey); 63 if (service == null) { 64 service = new ConnectionServiceWrapper( 65 componentName, 66 this, 67 mPhoneAccountRegistrar, 68 mCallsManager, 69 mContext, 70 mLock, 71 userHandle); 72 service.addListener(mUnbindListener); 73 mServiceCache.put(cacheKey, service); 74 } 75 return service; 76 } 77 78 /** 79 * Dumps the state of the {@link ConnectionServiceRepository}. 80 * 81 * @param pw The {@code IndentingPrintWriter} to write the state to. 82 */ 83 public void dump(IndentingPrintWriter pw) { 84 pw.println("mServiceCache:"); 85 pw.increaseIndent(); 86 for (Pair<ComponentName, UserHandle> cacheKey : mServiceCache.keySet()) { 87 ComponentName componentName = cacheKey.first; 88 pw.println(componentName); 89 } 90 pw.decreaseIndent(); 91 } 92} 93