TelecomSystem.java revision ecda55454f4993003e71e09a63d20f94a216cc47 
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;
20import com.android.server.telecom.components.UserCallIntentProcessor;
21import com.android.server.telecom.components.UserCallIntentProcessorFactory;
22
23import android.Manifest;
24import android.content.BroadcastReceiver;
25import android.content.Context;
26import android.content.Intent;
27import android.content.IntentFilter;
28import android.os.UserHandle;
29
30/**
31 * Top-level Application class for Telecom.
32 */
33public final class TelecomSystem {
34
35    /**
36     * This interface is implemented by system-instantiated components (e.g., Services and
37     * Activity-s) that wish to use the TelecomSystem but would like to be testable. Such a
38     * component should implement the getTelecomSystem() method to return the global singleton,
39     * and use its own method. Tests can subclass the component to return a non-singleton.
40     *
41     * A refactoring goal for Telecom is to limit use of the TelecomSystem singleton to those
42     * system-instantiated components, and have all other parts of the system just take all their
43     * dependencies as explicit arguments to their constructor or other methods.
44     */
45    public interface Component {
46        TelecomSystem getTelecomSystem();
47    }
48
49
50    /**
51     * Tagging interface for the object used for synchronizing multi-threaded operations in
52     * the Telecom system.
53     */
54    public interface SyncRoot {
55    }
56
57    private static final IntentFilter USER_SWITCHED_FILTER =
58            new IntentFilter(Intent.ACTION_USER_SWITCHED);
59
60    /** Intent filter for dialer secret codes. */
61    private static final IntentFilter DIALER_SECRET_CODE_FILTER;
62
63    /**
64     * Initializes the dialer secret code intent filter.  Setup to handle the various secret codes
65     * which can be dialed (e.g. in format *#*#code#*#*) to trigger various behavior in Telecom.
66     */
67    static {
68        DIALER_SECRET_CODE_FILTER = new IntentFilter(
69                "android.provider.Telephony.SECRET_CODE");
70        DIALER_SECRET_CODE_FILTER.addDataScheme("android_secret_code");
71        DIALER_SECRET_CODE_FILTER
72                .addDataAuthority(DialerCodeReceiver.TELECOM_SECRET_CODE_DEBUG_ON, null);
73        DIALER_SECRET_CODE_FILTER
74                .addDataAuthority(DialerCodeReceiver.TELECOM_SECRET_CODE_DEBUG_OFF, null);
75        DIALER_SECRET_CODE_FILTER
76                .addDataAuthority(DialerCodeReceiver.TELECOM_SECRET_CODE_MARK, null);
77    }
78
79    private static TelecomSystem INSTANCE = null;
80
81    private final SyncRoot mLock = new SyncRoot() { };
82    private final MissedCallNotifier mMissedCallNotifier;
83    private final PhoneAccountRegistrar mPhoneAccountRegistrar;
84    private final CallsManager mCallsManager;
85    private final RespondViaSmsManager mRespondViaSmsManager;
86    private final Context mContext;
87    private final BluetoothPhoneServiceImpl mBluetoothPhoneServiceImpl;
88    private final CallIntentProcessor mCallIntentProcessor;
89    private final TelecomBroadcastIntentProcessor mTelecomBroadcastIntentProcessor;
90    private final TelecomServiceImpl mTelecomServiceImpl;
91    private final ContactsAsyncHelper mContactsAsyncHelper;
92    private final DialerCodeReceiver mDialerCodeReceiver;
93
94    private final BroadcastReceiver mUserSwitchedReceiver = new BroadcastReceiver() {
95        @Override
96        public void onReceive(Context context, Intent intent) {
97            int userHandleId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0);
98            UserHandle currentUserHandle = new UserHandle(userHandleId);
99            mPhoneAccountRegistrar.setCurrentUserHandle(currentUserHandle);
100        }
101    };
102
103    public static TelecomSystem getInstance() {
104        return INSTANCE;
105    }
106
107    public static void setInstance(TelecomSystem instance) {
108        if (INSTANCE != null) {
109            throw new RuntimeException("Attempt to set TelecomSystem.INSTANCE twice");
110        }
111        Log.i(TelecomSystem.class, "TelecomSystem.INSTANCE being set");
112        INSTANCE = instance;
113    }
114
115    public TelecomSystem(
116            Context context,
117            MissedCallNotifier missedCallNotifier,
118            CallerInfoAsyncQueryFactory callerInfoAsyncQueryFactory,
119            HeadsetMediaButtonFactory headsetMediaButtonFactory,
120            ProximitySensorManagerFactory proximitySensorManagerFactory,
121            InCallWakeLockControllerFactory inCallWakeLockControllerFactory,
122            CallAudioManager.AudioServiceFactory audioServiceFactory,
123            BluetoothPhoneServiceImpl.BluetoothPhoneServiceImplFactory
124                    bluetoothPhoneServiceImplFactory) {
125        mContext = context.getApplicationContext();
126        Log.setContext(mContext);
127
128        mMissedCallNotifier = missedCallNotifier;
129        mPhoneAccountRegistrar = new PhoneAccountRegistrar(mContext);
130        mContactsAsyncHelper = new ContactsAsyncHelper(mLock);
131        BluetoothManager bluetoothManager = new BluetoothManager(mContext);
132        WiredHeadsetManager wiredHeadsetManager = new WiredHeadsetManager(mContext);
133
134        mCallsManager = new CallsManager(
135                mContext,
136                mLock,
137                mContactsAsyncHelper,
138                callerInfoAsyncQueryFactory,
139                mMissedCallNotifier,
140                mPhoneAccountRegistrar,
141                headsetMediaButtonFactory,
142                proximitySensorManagerFactory,
143                inCallWakeLockControllerFactory,
144                audioServiceFactory,
145                bluetoothManager,
146                wiredHeadsetManager);
147
148        mRespondViaSmsManager = new RespondViaSmsManager(mCallsManager, mLock);
149        mCallsManager.setRespondViaSmsManager(mRespondViaSmsManager);
150
151        mContext.registerReceiver(mUserSwitchedReceiver, USER_SWITCHED_FILTER);
152        mBluetoothPhoneServiceImpl = bluetoothPhoneServiceImplFactory.makeBluetoothPhoneServiceImpl(
153                mContext, mLock, mCallsManager, mPhoneAccountRegistrar);
154        mCallIntentProcessor = new CallIntentProcessor(mContext, mCallsManager);
155        mTelecomBroadcastIntentProcessor = new TelecomBroadcastIntentProcessor(
156                mContext, mCallsManager);
157
158        // Register the receiver for the dialer secret codes, used to enable extended logging.
159        mDialerCodeReceiver = new DialerCodeReceiver(mCallsManager);
160        mContext.registerReceiver(mDialerCodeReceiver, DIALER_SECRET_CODE_FILTER,
161                Manifest.permission.CONTROL_INCALL_EXPERIENCE, null);
162
163        mTelecomServiceImpl = new TelecomServiceImpl(
164                mContext, mCallsManager, mPhoneAccountRegistrar,
165                new CallIntentProcessor.AdapterImpl(),
166                new UserCallIntentProcessorFactory() {
167                    @Override
168                    public UserCallIntentProcessor create(Context context, UserHandle userHandle) {
169                        return new UserCallIntentProcessor(context, userHandle);
170                    }
171                },
172                new TelecomServiceImpl.DefaultDialerManagerAdapterImpl(),
173                mLock);
174    }
175
176    @VisibleForTesting
177    public PhoneAccountRegistrar getPhoneAccountRegistrar() {
178        return mPhoneAccountRegistrar;
179    }
180
181    public BluetoothPhoneServiceImpl getBluetoothPhoneServiceImpl() {
182        return mBluetoothPhoneServiceImpl;
183    }
184
185    public CallIntentProcessor getCallIntentProcessor() {
186        return mCallIntentProcessor;
187    }
188
189    public TelecomBroadcastIntentProcessor getTelecomBroadcastIntentProcessor() {
190        return mTelecomBroadcastIntentProcessor;
191    }
192
193    public TelecomServiceImpl getTelecomServiceImpl() {
194        return mTelecomServiceImpl;
195    }
196
197    public Object getLock() {
198        return mLock;
199    }
200}
201