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      1 /*
      2  * Copyright (C) 2014 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.app.Application;
     20 import android.content.BroadcastReceiver;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.content.IntentFilter;
     24 import android.os.UserHandle;
     25 
     26 /**
     27  * Top-level Application class for Telecom.
     28  */
     29 public final class TelecomGlobals {
     30     private static final String TAG = TelecomGlobals.class.getSimpleName();
     31 
     32     private static final IntentFilter USER_SWITCHED_FILTER =
     33             new IntentFilter(Intent.ACTION_USER_SWITCHED);
     34 
     35     private static final TelecomGlobals INSTANCE = new TelecomGlobals();
     36 
     37     /**
     38      * The Telecom service implementation.
     39      */
     40     private TelecomService mTelecomService;
     41 
     42     /**
     43      * Missed call notifier. Exists here so that the instance can be shared with
     44      * {@link TelecomBroadcastReceiver}.
     45      */
     46     private MissedCallNotifier mMissedCallNotifier;
     47 
     48     /**
     49      * Maintains the list of registered {@link android.telecom.PhoneAccountHandle}s.
     50      */
     51     private PhoneAccountRegistrar mPhoneAccountRegistrar;
     52 
     53     /**
     54      * The calls manager for the Telecom service.
     55      */
     56     private CallsManager mCallsManager;
     57 
     58     /**
     59      * The application context.
     60      */
     61     private Context mContext;
     62 
     63     private final BroadcastReceiver mUserSwitchedReceiver = new BroadcastReceiver() {
     64         @Override
     65         public void onReceive(Context context, Intent intent) {
     66             int userHandleId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0);
     67             UserHandle currentUserHandle = new UserHandle(userHandleId);
     68             mPhoneAccountRegistrar.setCurrentUserHandle(currentUserHandle);
     69         }
     70     };
     71 
     72     static TelecomGlobals getInstance() {
     73         return INSTANCE;
     74     }
     75 
     76     void initialize(Context context) {
     77         if (mContext != null) {
     78             Log.e(TAG, new Exception(), "Attempting to intialize TelecomGlobals a second time.");
     79             return;
     80         } else {
     81             Log.i(TAG, "TelecomGlobals initializing");
     82         }
     83         mContext = context.getApplicationContext();
     84 
     85         mMissedCallNotifier = new MissedCallNotifier(mContext);
     86         mPhoneAccountRegistrar = new PhoneAccountRegistrar(mContext);
     87 
     88         mCallsManager = new CallsManager(mContext, mMissedCallNotifier, mPhoneAccountRegistrar);
     89         CallsManager.initialize(mCallsManager);
     90         Log.i(this, "CallsManager initialized");
     91 
     92         // Start the BluetoothPhoneService
     93         BluetoothPhoneService.start(mContext);
     94 
     95         mContext.registerReceiver(mUserSwitchedReceiver, USER_SWITCHED_FILTER);
     96     }
     97 
     98     MissedCallNotifier getMissedCallNotifier() {
     99         return mMissedCallNotifier;
    100     }
    101 
    102     PhoneAccountRegistrar getPhoneAccountRegistrar() {
    103         return mPhoneAccountRegistrar;
    104     }
    105 
    106     CallsManager getCallsManager() {
    107         return mCallsManager;
    108     }
    109 }
    110