TelecomSystem.java revision ae694b10e9156cfe0c8c57d73989fed13c887f69 
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
17package com.android.server.telecom;
18
19import com.android.internal.annotations.VisibleForTesting;
20
21import android.Manifest;
22import android.content.BroadcastReceiver;
23import android.content.Context;
24import android.content.Intent;
25import android.content.IntentFilter;
26import android.os.UserHandle;
27
28/**
29 * Top-level Application class for Telecom.
30 */
31public final class TelecomSystem {
32
33    /**
34     * This interface is implemented by system-instantiated components (e.g., Services and
35     * Activity-s) that wish to use the TelecomSystem but would like to be testable. Such a
36     * component should implement the getTelecomSystem() method to return the global singleton,
37     * and use its own method. Tests can subclass the component to return a non-singleton.
38     *
39     * A refactoring goal for Telecom is to limit use of the TelecomSystem singleton to those
40     * system-instantiated components, and have all other parts of the system just take all their
41     * dependencies as explicit arguments to their constructor or other methods.
42     */
43    public interface Component {
44        TelecomSystem getTelecomSystem();
45    }
46
47
48    /**
49     * Tagging interface for the object used for synchronizing multi-threaded operations in
50     * the Telecom system.
51     */
52    public interface SyncRoot {
53    }
54
55    private static final IntentFilter USER_SWITCHED_FILTER =
56            new IntentFilter(Intent.ACTION_USER_SWITCHED);
57
58    /** Intent filter for dialer secret codes. */
59    private static final IntentFilter DIALER_SECRET_CODE_FILTER;
60
61    /**
62     * Initializes the dialer secret code intent filter.  Setup to handle the various secret codes
63     * which can be dialed (e.g. in format *#*#code#*#*) to trigger various behavior in Telecom.
64     */
65    static {
66        DIALER_SECRET_CODE_FILTER = new IntentFilter(
67                "android.provider.Telephony.SECRET_CODE");
68        DIALER_SECRET_CODE_FILTER.addDataScheme("android_secret_code");
69        DIALER_SECRET_CODE_FILTER
70                .addDataAuthority(DialerCodeReceiver.TELECOM_SECRET_CODE_DEBUG_ON, null);
71        DIALER_SECRET_CODE_FILTER
72                .addDataAuthority(DialerCodeReceiver.TELECOM_SECRET_CODE_DEBUG_OFF, null);
73        DIALER_SECRET_CODE_FILTER
74                .addDataAuthority(DialerCodeReceiver.TELECOM_SECRET_CODE_MARK, null);
75    }
76
77    private static TelecomSystem INSTANCE = null;
78
79    private final SyncRoot mLock = new SyncRoot() { };
80    private final MissedCallNotifier mMissedCallNotifier;
81    private final PhoneAccountRegistrar mPhoneAccountRegistrar;
82    private final CallsManager mCallsManager;
83    private final RespondViaSmsManager mRespondViaSmsManager;
84    private final Context mContext;
85    private final BluetoothPhoneServiceImpl mBluetoothPhoneServiceImpl;
86    private final CallIntentProcessor mCallIntentProcessor;
87    private final TelecomBroadcastIntentProcessor mTelecomBroadcastIntentProcessor;
88    private final TelecomServiceImpl mTelecomServiceImpl;
89    private final ContactsAsyncHelper mContactsAsyncHelper;
90    private final DialerCodeReceiver mDialerCodeReceiver;
91
92    private final BroadcastReceiver mUserSwitchedReceiver = new BroadcastReceiver() {
93        @Override
94        public void onReceive(Context context, Intent intent) {
95            int userHandleId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0);
96            UserHandle currentUserHandle = new UserHandle(userHandleId);
97            mPhoneAccountRegistrar.setCurrentUserHandle(currentUserHandle);
98        }
99    };
100
101    public static TelecomSystem getInstance() {
102        return INSTANCE;
103    }
104
105    public static void setInstance(TelecomSystem instance) {
106        if (INSTANCE != null) {
107            throw new RuntimeException("Attempt to set TelecomSystem.INSTANCE twice");
108        }
109        Log.i(TelecomSystem.class, "TelecomSystem.INSTANCE being set");
110        INSTANCE = instance;
111    }
112
113    public TelecomSystem(
114            Context context,
115            MissedCallNotifier missedCallNotifier,
116            CallerInfoAsyncQueryFactory callerInfoAsyncQueryFactory,
117            HeadsetMediaButtonFactory headsetMediaButtonFactory,
118            ProximitySensorManagerFactory proximitySensorManagerFactory,
119            InCallWakeLockControllerFactory inCallWakeLockControllerFactory,
120            CallAudioManager.AudioServiceFactory audioServiceFactory,
121            BluetoothPhoneServiceImpl.BluetoothPhoneServiceImplFactory
122                    bluetoothPhoneServiceImplFactory) {
123        mContext = context.getApplicationContext();
124
125        mMissedCallNotifier = missedCallNotifier;
126        mPhoneAccountRegistrar = new PhoneAccountRegistrar(mContext);
127        mContactsAsyncHelper = new ContactsAsyncHelper(mLock);
128        BluetoothManager bluetoothManager = new BluetoothManager(mContext);
129        WiredHeadsetManager wiredHeadsetManager = new WiredHeadsetManager(mContext);
130
131        mCallsManager = new CallsManager(
132                mContext,
133                mLock,
134                mContactsAsyncHelper,
135                callerInfoAsyncQueryFactory,
136                mMissedCallNotifier,
137                mPhoneAccountRegistrar,
138                headsetMediaButtonFactory,
139                proximitySensorManagerFactory,
140                inCallWakeLockControllerFactory,
141                audioServiceFactory,
142                bluetoothManager,
143                wiredHeadsetManager);
144
145        mRespondViaSmsManager = new RespondViaSmsManager(mCallsManager, mLock);
146        mCallsManager.setRespondViaSmsManager(mRespondViaSmsManager);
147
148        mContext.registerReceiver(mUserSwitchedReceiver, USER_SWITCHED_FILTER);
149        mBluetoothPhoneServiceImpl = bluetoothPhoneServiceImplFactory.makeBluetoothPhoneServiceImpl(
150                mContext, mLock, mCallsManager, mPhoneAccountRegistrar);
151        mCallIntentProcessor = new CallIntentProcessor(mContext, mCallsManager);
152        mTelecomBroadcastIntentProcessor = new TelecomBroadcastIntentProcessor(
153                mContext, mCallsManager);
154
155        // Register the receiver for the dialer secret codes, used to enable extended logging.
156        mDialerCodeReceiver = new DialerCodeReceiver(mCallsManager);
157        mContext.registerReceiver(mDialerCodeReceiver, DIALER_SECRET_CODE_FILTER,
158                Manifest.permission.CONTROL_INCALL_EXPERIENCE, null);
159
160        mTelecomServiceImpl = new TelecomServiceImpl(
161                mContext, mCallsManager, mPhoneAccountRegistrar, mLock);
162    }
163
164    @VisibleForTesting
165    public PhoneAccountRegistrar getPhoneAccountRegistrar() {
166        return mPhoneAccountRegistrar;
167    }
168
169    public BluetoothPhoneServiceImpl getBluetoothPhoneServiceImpl() {
170        return mBluetoothPhoneServiceImpl;
171    }
172
173    public CallIntentProcessor getCallIntentProcessor() {
174        return mCallIntentProcessor;
175    }
176
177    public TelecomBroadcastIntentProcessor getTelecomBroadcastIntentProcessor() {
178        return mTelecomBroadcastIntentProcessor;
179    }
180
181    public TelecomServiceImpl getTelecomServiceImpl() {
182        return mTelecomServiceImpl;
183    }
184
185    public Object getLock() {
186        return mLock;
187    }
188}
189