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      1 /*
      2  * Copyright (C) 2006 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.phone;
     18 
     19 import android.app.Activity;
     20 import android.app.KeyguardManager;
     21 import android.app.PendingIntent;
     22 import android.app.ProgressDialog;
     23 import android.app.TaskStackBuilder;
     24 import android.bluetooth.BluetoothAdapter;
     25 import android.bluetooth.IBluetoothHeadsetPhone;
     26 import android.content.ActivityNotFoundException;
     27 import android.content.BroadcastReceiver;
     28 import android.content.ComponentName;
     29 import android.content.ContentResolver;
     30 import android.content.Context;
     31 import android.content.ContextWrapper;
     32 import android.content.Intent;
     33 import android.content.IntentFilter;
     34 import android.content.ServiceConnection;
     35 import android.content.res.Configuration;
     36 import android.media.AudioManager;
     37 import android.net.Uri;
     38 import android.os.AsyncResult;
     39 import android.os.Binder;
     40 import android.os.Handler;
     41 import android.os.IBinder;
     42 import android.os.IPowerManager;
     43 import android.os.Message;
     44 import android.os.PowerManager;
     45 import android.os.RemoteException;
     46 import android.os.ServiceManager;
     47 import android.os.SystemClock;
     48 import android.os.SystemProperties;
     49 import android.os.UpdateLock;
     50 import android.os.UserHandle;
     51 import android.preference.PreferenceManager;
     52 import android.provider.Settings.System;
     53 import android.telephony.ServiceState;
     54 import android.text.TextUtils;
     55 import android.util.Log;
     56 import android.util.Slog;
     57 import android.view.KeyEvent;
     58 
     59 import com.android.internal.telephony.Call;
     60 import com.android.internal.telephony.CallManager;
     61 import com.android.internal.telephony.IccCard;
     62 import com.android.internal.telephony.IccCardConstants;
     63 import com.android.internal.telephony.MmiCode;
     64 import com.android.internal.telephony.Phone;
     65 import com.android.internal.telephony.PhoneConstants;
     66 import com.android.internal.telephony.PhoneFactory;
     67 import com.android.internal.telephony.TelephonyCapabilities;
     68 import com.android.internal.telephony.TelephonyIntents;
     69 import com.android.internal.telephony.cdma.TtyIntent;
     70 import com.android.phone.common.CallLogAsync;
     71 import com.android.phone.OtaUtils.CdmaOtaScreenState;
     72 import com.android.phone.WiredHeadsetManager.WiredHeadsetListener;
     73 import com.android.server.sip.SipService;
     74 import com.android.services.telephony.common.AudioMode;
     75 
     76 /**
     77  * Global state for the telephony subsystem when running in the primary
     78  * phone process.
     79  */
     80 public class PhoneGlobals extends ContextWrapper implements WiredHeadsetListener {
     81     /* package */ static final String LOG_TAG = "PhoneApp";
     82 
     83     /**
     84      * Phone app-wide debug level:
     85      *   0 - no debug logging
     86      *   1 - normal debug logging if ro.debuggable is set (which is true in
     87      *       "eng" and "userdebug" builds but not "user" builds)
     88      *   2 - ultra-verbose debug logging
     89      *
     90      * Most individual classes in the phone app have a local DBG constant,
     91      * typically set to
     92      *   (PhoneApp.DBG_LEVEL >= 1) && (SystemProperties.getInt("ro.debuggable", 0) == 1)
     93      * or else
     94      *   (PhoneApp.DBG_LEVEL >= 2)
     95      * depending on the desired verbosity.
     96      *
     97      * ***** DO NOT SUBMIT WITH DBG_LEVEL > 0 *************
     98      */
     99     /* package */ static final int DBG_LEVEL = 0;
    100 
    101     private static final boolean DBG =
    102             (PhoneGlobals.DBG_LEVEL >= 1) && (SystemProperties.getInt("ro.debuggable", 0) == 1);
    103     private static final boolean VDBG = (PhoneGlobals.DBG_LEVEL >= 2);
    104 
    105     // Message codes; see mHandler below.
    106     private static final int EVENT_SIM_NETWORK_LOCKED = 3;
    107     private static final int EVENT_SIM_STATE_CHANGED = 8;
    108     private static final int EVENT_DATA_ROAMING_DISCONNECTED = 10;
    109     private static final int EVENT_DATA_ROAMING_OK = 11;
    110     private static final int EVENT_UNSOL_CDMA_INFO_RECORD = 12;
    111     private static final int EVENT_DOCK_STATE_CHANGED = 13;
    112     private static final int EVENT_TTY_PREFERRED_MODE_CHANGED = 14;
    113     private static final int EVENT_TTY_MODE_GET = 15;
    114     private static final int EVENT_TTY_MODE_SET = 16;
    115     private static final int EVENT_START_SIP_SERVICE = 17;
    116 
    117     // The MMI codes are also used by the InCallScreen.
    118     public static final int MMI_INITIATE = 51;
    119     public static final int MMI_COMPLETE = 52;
    120     public static final int MMI_CANCEL = 53;
    121     // Don't use message codes larger than 99 here; those are reserved for
    122     // the individual Activities of the Phone UI.
    123 
    124     /**
    125      * Allowable values for the wake lock code.
    126      *   SLEEP means the device can be put to sleep.
    127      *   PARTIAL means wake the processor, but we display can be kept off.
    128      *   FULL means wake both the processor and the display.
    129      */
    130     public enum WakeState {
    131         SLEEP,
    132         PARTIAL,
    133         FULL
    134     }
    135 
    136     /**
    137      * Intent Action used for hanging up the current call from Notification bar. This will
    138      * choose first ringing call, first active call, or first background call (typically in
    139      * HOLDING state).
    140      */
    141     public static final String ACTION_HANG_UP_ONGOING_CALL =
    142             "com.android.phone.ACTION_HANG_UP_ONGOING_CALL";
    143 
    144     /**
    145      * Intent Action used for making a phone call from Notification bar.
    146      * This is for missed call notifications.
    147      */
    148     public static final String ACTION_CALL_BACK_FROM_NOTIFICATION =
    149             "com.android.phone.ACTION_CALL_BACK_FROM_NOTIFICATION";
    150 
    151     /**
    152      * Intent Action used for sending a SMS from notification bar.
    153      * This is for missed call notifications.
    154      */
    155     public static final String ACTION_SEND_SMS_FROM_NOTIFICATION =
    156             "com.android.phone.ACTION_SEND_SMS_FROM_NOTIFICATION";
    157 
    158     private static PhoneGlobals sMe;
    159 
    160     // A few important fields we expose to the rest of the package
    161     // directly (rather than thru set/get methods) for efficiency.
    162     CallController callController;
    163     CallManager mCM;
    164     CallNotifier notifier;
    165     CallerInfoCache callerInfoCache;
    166     NotificationMgr notificationMgr;
    167     Phone phone;
    168     PhoneInterfaceManager phoneMgr;
    169 
    170     private AudioRouter audioRouter;
    171     private BluetoothManager bluetoothManager;
    172     private CallCommandService callCommandService;
    173     private CallGatewayManager callGatewayManager;
    174     private CallHandlerServiceProxy callHandlerServiceProxy;
    175     private CallModeler callModeler;
    176     private CallStateMonitor callStateMonitor;
    177     private DTMFTonePlayer dtmfTonePlayer;
    178     private IBluetoothHeadsetPhone mBluetoothPhone;
    179     private Ringer ringer;
    180     private WiredHeadsetManager wiredHeadsetManager;
    181 
    182     static int mDockState = Intent.EXTRA_DOCK_STATE_UNDOCKED;
    183     static boolean sVoiceCapable = true;
    184 
    185     // Internal PhoneApp Call state tracker
    186     CdmaPhoneCallState cdmaPhoneCallState;
    187 
    188     // The currently-active PUK entry activity and progress dialog.
    189     // Normally, these are the Emergency Dialer and the subsequent
    190     // progress dialog.  null if there is are no such objects in
    191     // the foreground.
    192     private Activity mPUKEntryActivity;
    193     private ProgressDialog mPUKEntryProgressDialog;
    194 
    195     private boolean mIsSimPinEnabled;
    196     private String mCachedSimPin;
    197 
    198     // True if we are beginning a call, but the phone state has not changed yet
    199     private boolean mBeginningCall;
    200 
    201     // Last phone state seen by updatePhoneState()
    202     private PhoneConstants.State mLastPhoneState = PhoneConstants.State.IDLE;
    203 
    204     private WakeState mWakeState = WakeState.SLEEP;
    205 
    206     private PowerManager mPowerManager;
    207     private IPowerManager mPowerManagerService;
    208     private PowerManager.WakeLock mWakeLock;
    209     private PowerManager.WakeLock mPartialWakeLock;
    210     private KeyguardManager mKeyguardManager;
    211 
    212     private UpdateLock mUpdateLock;
    213 
    214     // Broadcast receiver for various intent broadcasts (see onCreate())
    215     private final BroadcastReceiver mReceiver = new PhoneAppBroadcastReceiver();
    216 
    217     // Broadcast receiver purely for ACTION_MEDIA_BUTTON broadcasts
    218     private final BroadcastReceiver mMediaButtonReceiver = new MediaButtonBroadcastReceiver();
    219 
    220     /** boolean indicating restoring mute state on InCallScreen.onResume() */
    221     private boolean mShouldRestoreMuteOnInCallResume;
    222 
    223     /**
    224      * The singleton OtaUtils instance used for OTASP calls.
    225      *
    226      * The OtaUtils instance is created lazily the first time we need to
    227      * make an OTASP call, regardless of whether it's an interactive or
    228      * non-interactive OTASP call.
    229      */
    230     public OtaUtils otaUtils;
    231 
    232     // Following are the CDMA OTA information Objects used during OTA Call.
    233     // cdmaOtaProvisionData object store static OTA information that needs
    234     // to be maintained even during Slider open/close scenarios.
    235     // cdmaOtaConfigData object stores configuration info to control visiblity
    236     // of each OTA Screens.
    237     // cdmaOtaScreenState object store OTA Screen State information.
    238     public OtaUtils.CdmaOtaProvisionData cdmaOtaProvisionData;
    239     public OtaUtils.CdmaOtaConfigData cdmaOtaConfigData;
    240     public OtaUtils.CdmaOtaScreenState cdmaOtaScreenState;
    241     public OtaUtils.CdmaOtaInCallScreenUiState cdmaOtaInCallScreenUiState;
    242 
    243     // TTY feature enabled on this platform
    244     private boolean mTtyEnabled;
    245     // Current TTY operating mode selected by user
    246     private int mPreferredTtyMode = Phone.TTY_MODE_OFF;
    247 
    248     /**
    249      * Set the restore mute state flag. Used when we are setting the mute state
    250      * OUTSIDE of user interaction {@link PhoneUtils#startNewCall(Phone)}
    251      */
    252     /*package*/void setRestoreMuteOnInCallResume (boolean mode) {
    253         mShouldRestoreMuteOnInCallResume = mode;
    254     }
    255 
    256     Handler mHandler = new Handler() {
    257         @Override
    258         public void handleMessage(Message msg) {
    259             PhoneConstants.State phoneState;
    260             switch (msg.what) {
    261                 // Starts the SIP service. It's a no-op if SIP API is not supported
    262                 // on the deivce.
    263                 // TODO: Having the phone process host the SIP service is only
    264                 // temporary. Will move it to a persistent communication process
    265                 // later.
    266                 case EVENT_START_SIP_SERVICE:
    267                     SipService.start(getApplicationContext());
    268                     break;
    269 
    270                 // TODO: This event should be handled by the lock screen, just
    271                 // like the "SIM missing" and "Sim locked" cases (bug 1804111).
    272                 case EVENT_SIM_NETWORK_LOCKED:
    273                     if (getResources().getBoolean(R.bool.ignore_sim_network_locked_events)) {
    274                         // Some products don't have the concept of a "SIM network lock"
    275                         Log.i(LOG_TAG, "Ignoring EVENT_SIM_NETWORK_LOCKED event; "
    276                               + "not showing 'SIM network unlock' PIN entry screen");
    277                     } else {
    278                         // Normal case: show the "SIM network unlock" PIN entry screen.
    279                         // The user won't be able to do anything else until
    280                         // they enter a valid SIM network PIN.
    281                         Log.i(LOG_TAG, "show sim depersonal panel");
    282                         IccNetworkDepersonalizationPanel ndpPanel =
    283                                 new IccNetworkDepersonalizationPanel(PhoneGlobals.getInstance());
    284                         ndpPanel.show();
    285                     }
    286                     break;
    287 
    288                 case EVENT_DATA_ROAMING_DISCONNECTED:
    289                     notificationMgr.showDataDisconnectedRoaming();
    290                     break;
    291 
    292                 case EVENT_DATA_ROAMING_OK:
    293                     notificationMgr.hideDataDisconnectedRoaming();
    294                     break;
    295 
    296                 case MMI_COMPLETE:
    297                     onMMIComplete((AsyncResult) msg.obj);
    298                     break;
    299 
    300                 case MMI_CANCEL:
    301                     PhoneUtils.cancelMmiCode(phone);
    302                     break;
    303 
    304                 case EVENT_SIM_STATE_CHANGED:
    305                     // Marks the event where the SIM goes into ready state.
    306                     // Right now, this is only used for the PUK-unlocking
    307                     // process.
    308                     if (msg.obj.equals(IccCardConstants.INTENT_VALUE_ICC_READY)) {
    309                         // when the right event is triggered and there
    310                         // are UI objects in the foreground, we close
    311                         // them to display the lock panel.
    312                         if (mPUKEntryActivity != null) {
    313                             mPUKEntryActivity.finish();
    314                             mPUKEntryActivity = null;
    315                         }
    316                         if (mPUKEntryProgressDialog != null) {
    317                             mPUKEntryProgressDialog.dismiss();
    318                             mPUKEntryProgressDialog = null;
    319                         }
    320                     }
    321                     break;
    322 
    323                 case EVENT_UNSOL_CDMA_INFO_RECORD:
    324                     //TODO: handle message here;
    325                     break;
    326 
    327                 case EVENT_DOCK_STATE_CHANGED:
    328                     // If the phone is docked/undocked during a call, and no wired or BT headset
    329                     // is connected: turn on/off the speaker accordingly.
    330                     boolean inDockMode = false;
    331                     if (mDockState != Intent.EXTRA_DOCK_STATE_UNDOCKED) {
    332                         inDockMode = true;
    333                     }
    334                     if (VDBG) Log.d(LOG_TAG, "received EVENT_DOCK_STATE_CHANGED. Phone inDock = "
    335                             + inDockMode);
    336 
    337                     phoneState = mCM.getState();
    338                     if (phoneState == PhoneConstants.State.OFFHOOK &&
    339                             !wiredHeadsetManager.isHeadsetPlugged() &&
    340                             !bluetoothManager.isBluetoothHeadsetAudioOn()) {
    341                         audioRouter.setSpeaker(inDockMode);
    342 
    343                         PhoneUtils.turnOnSpeaker(getApplicationContext(), inDockMode, true);
    344                     }
    345                     break;
    346 
    347                 case EVENT_TTY_PREFERRED_MODE_CHANGED:
    348                     // TTY mode is only applied if a headset is connected
    349                     int ttyMode;
    350                     if (wiredHeadsetManager.isHeadsetPlugged()) {
    351                         ttyMode = mPreferredTtyMode;
    352                     } else {
    353                         ttyMode = Phone.TTY_MODE_OFF;
    354                     }
    355                     phone.setTTYMode(ttyMode, mHandler.obtainMessage(EVENT_TTY_MODE_SET));
    356                     break;
    357 
    358                 case EVENT_TTY_MODE_GET:
    359                     handleQueryTTYModeResponse(msg);
    360                     break;
    361 
    362                 case EVENT_TTY_MODE_SET:
    363                     handleSetTTYModeResponse(msg);
    364                     break;
    365             }
    366         }
    367     };
    368 
    369     public PhoneGlobals(Context context) {
    370         super(context);
    371         sMe = this;
    372     }
    373 
    374     public void onCreate() {
    375         if (VDBG) Log.v(LOG_TAG, "onCreate()...");
    376 
    377         ContentResolver resolver = getContentResolver();
    378 
    379         // Cache the "voice capable" flag.
    380         // This flag currently comes from a resource (which is
    381         // overrideable on a per-product basis):
    382         sVoiceCapable =
    383                 getResources().getBoolean(com.android.internal.R.bool.config_voice_capable);
    384         // ...but this might eventually become a PackageManager "system
    385         // feature" instead, in which case we'd do something like:
    386         // sVoiceCapable =
    387         //   getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY_VOICE_CALLS);
    388 
    389         if (phone == null) {
    390             // Initialize the telephony framework
    391             PhoneFactory.makeDefaultPhones(this);
    392 
    393             // Get the default phone
    394             phone = PhoneFactory.getDefaultPhone();
    395 
    396             // Start TelephonyDebugService After the default phone is created.
    397             Intent intent = new Intent(this, TelephonyDebugService.class);
    398             startService(intent);
    399 
    400             mCM = CallManager.getInstance();
    401             mCM.registerPhone(phone);
    402 
    403             // Create the NotificationMgr singleton, which is used to display
    404             // status bar icons and control other status bar behavior.
    405             notificationMgr = NotificationMgr.init(this);
    406 
    407             mHandler.sendEmptyMessage(EVENT_START_SIP_SERVICE);
    408 
    409             int phoneType = phone.getPhoneType();
    410 
    411             if (phoneType == PhoneConstants.PHONE_TYPE_CDMA) {
    412                 // Create an instance of CdmaPhoneCallState and initialize it to IDLE
    413                 cdmaPhoneCallState = new CdmaPhoneCallState();
    414                 cdmaPhoneCallState.CdmaPhoneCallStateInit();
    415             }
    416 
    417             if (BluetoothAdapter.getDefaultAdapter() != null) {
    418                 // Start BluetoothPhoneService even if device is not voice capable.
    419                 // The device can still support VOIP.
    420                 startService(new Intent(this, BluetoothPhoneService.class));
    421                 bindService(new Intent(this, BluetoothPhoneService.class),
    422                             mBluetoothPhoneConnection, 0);
    423             } else {
    424                 // Device is not bluetooth capable
    425                 mBluetoothPhone = null;
    426             }
    427 
    428             // before registering for phone state changes
    429             mPowerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
    430             mWakeLock = mPowerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK, LOG_TAG);
    431             // lock used to keep the processor awake, when we don't care for the display.
    432             mPartialWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK
    433                     | PowerManager.ON_AFTER_RELEASE, LOG_TAG);
    434 
    435             mKeyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
    436 
    437             // get a handle to the service so that we can use it later when we
    438             // want to set the poke lock.
    439             mPowerManagerService = IPowerManager.Stub.asInterface(
    440                     ServiceManager.getService("power"));
    441 
    442             // Get UpdateLock to suppress system-update related events (e.g. dialog show-up)
    443             // during phone calls.
    444             mUpdateLock = new UpdateLock("phone");
    445 
    446             if (DBG) Log.d(LOG_TAG, "onCreate: mUpdateLock: " + mUpdateLock);
    447 
    448             CallLogger callLogger = new CallLogger(this, new CallLogAsync());
    449 
    450             callGatewayManager = CallGatewayManager.getInstance();
    451 
    452             // Create the CallController singleton, which is the interface
    453             // to the telephony layer for user-initiated telephony functionality
    454             // (like making outgoing calls.)
    455             callController = CallController.init(this, callLogger, callGatewayManager);
    456 
    457             // Create the CallerInfoCache singleton, which remembers custom ring tone and
    458             // send-to-voicemail settings.
    459             //
    460             // The asynchronous caching will start just after this call.
    461             callerInfoCache = CallerInfoCache.init(this);
    462 
    463             // Monitors call activity from the telephony layer
    464             callStateMonitor = new CallStateMonitor(mCM);
    465 
    466             // Creates call models for use with CallHandlerService.
    467             callModeler = new CallModeler(callStateMonitor, mCM, callGatewayManager);
    468 
    469             // Plays DTMF Tones
    470             dtmfTonePlayer = new DTMFTonePlayer(mCM, callModeler);
    471 
    472             // Manages wired headset state
    473             wiredHeadsetManager = new WiredHeadsetManager(this);
    474             wiredHeadsetManager.addWiredHeadsetListener(this);
    475 
    476             // Bluetooth manager
    477             bluetoothManager = new BluetoothManager(this, mCM, callModeler);
    478 
    479             ringer = Ringer.init(this, bluetoothManager);
    480 
    481             // Audio router
    482             audioRouter = new AudioRouter(this, bluetoothManager, wiredHeadsetManager, mCM);
    483 
    484             // Service used by in-call UI to control calls
    485             callCommandService = new CallCommandService(this, mCM, callModeler, dtmfTonePlayer,
    486                     audioRouter);
    487 
    488             // Sends call state to the UI
    489             callHandlerServiceProxy = new CallHandlerServiceProxy(this, callModeler,
    490                     callCommandService, audioRouter);
    491 
    492             phoneMgr = PhoneInterfaceManager.init(this, phone, callHandlerServiceProxy, callModeler,
    493                     dtmfTonePlayer);
    494 
    495             // Create the CallNotifer singleton, which handles
    496             // asynchronous events from the telephony layer (like
    497             // launching the incoming-call UI when an incoming call comes
    498             // in.)
    499             notifier = CallNotifier.init(this, phone, ringer, callLogger, callStateMonitor,
    500                     bluetoothManager, callModeler);
    501 
    502             // register for ICC status
    503             IccCard sim = phone.getIccCard();
    504             if (sim != null) {
    505                 if (VDBG) Log.v(LOG_TAG, "register for ICC status");
    506                 sim.registerForNetworkLocked(mHandler, EVENT_SIM_NETWORK_LOCKED, null);
    507             }
    508 
    509             // register for MMI/USSD
    510             mCM.registerForMmiComplete(mHandler, MMI_COMPLETE, null);
    511 
    512             // register connection tracking to PhoneUtils
    513             PhoneUtils.initializeConnectionHandler(mCM);
    514 
    515             // Read platform settings for TTY feature
    516             mTtyEnabled = getResources().getBoolean(R.bool.tty_enabled);
    517 
    518             // Register for misc other intent broadcasts.
    519             IntentFilter intentFilter =
    520                     new IntentFilter(Intent.ACTION_AIRPLANE_MODE_CHANGED);
    521             intentFilter.addAction(TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED);
    522             intentFilter.addAction(Intent.ACTION_DOCK_EVENT);
    523             intentFilter.addAction(TelephonyIntents.ACTION_SIM_STATE_CHANGED);
    524             intentFilter.addAction(TelephonyIntents.ACTION_RADIO_TECHNOLOGY_CHANGED);
    525             intentFilter.addAction(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED);
    526             intentFilter.addAction(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED);
    527             if (mTtyEnabled) {
    528                 intentFilter.addAction(TtyIntent.TTY_PREFERRED_MODE_CHANGE_ACTION);
    529             }
    530             intentFilter.addAction(AudioManager.RINGER_MODE_CHANGED_ACTION);
    531             registerReceiver(mReceiver, intentFilter);
    532 
    533             // Use a separate receiver for ACTION_MEDIA_BUTTON broadcasts,
    534             // since we need to manually adjust its priority (to make sure
    535             // we get these intents *before* the media player.)
    536             IntentFilter mediaButtonIntentFilter =
    537                     new IntentFilter(Intent.ACTION_MEDIA_BUTTON);
    538             // TODO verify the independent priority doesn't need to be handled thanks to the
    539             //  private intent handler registration
    540             // Make sure we're higher priority than the media player's
    541             // MediaButtonIntentReceiver (which currently has the default
    542             // priority of zero; see apps/Music/AndroidManifest.xml.)
    543             mediaButtonIntentFilter.setPriority(1);
    544             //
    545             registerReceiver(mMediaButtonReceiver, mediaButtonIntentFilter);
    546             // register the component so it gets priority for calls
    547             AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    548             am.registerMediaButtonEventReceiverForCalls(new ComponentName(this.getPackageName(),
    549                     MediaButtonBroadcastReceiver.class.getName()));
    550 
    551             //set the default values for the preferences in the phone.
    552             PreferenceManager.setDefaultValues(this, R.xml.network_setting, false);
    553 
    554             PreferenceManager.setDefaultValues(this, R.xml.call_feature_setting, false);
    555 
    556             // Make sure the audio mode (along with some
    557             // audio-mode-related state of our own) is initialized
    558             // correctly, given the current state of the phone.
    559             PhoneUtils.setAudioMode(mCM);
    560         }
    561 
    562         if (TelephonyCapabilities.supportsOtasp(phone)) {
    563             cdmaOtaProvisionData = new OtaUtils.CdmaOtaProvisionData();
    564             cdmaOtaConfigData = new OtaUtils.CdmaOtaConfigData();
    565             cdmaOtaScreenState = new OtaUtils.CdmaOtaScreenState();
    566             cdmaOtaInCallScreenUiState = new OtaUtils.CdmaOtaInCallScreenUiState();
    567         }
    568 
    569         // XXX pre-load the SimProvider so that it's ready
    570         resolver.getType(Uri.parse("content://icc/adn"));
    571 
    572         // start with the default value to set the mute state.
    573         mShouldRestoreMuteOnInCallResume = false;
    574 
    575         // TODO: Register for Cdma Information Records
    576         // phone.registerCdmaInformationRecord(mHandler, EVENT_UNSOL_CDMA_INFO_RECORD, null);
    577 
    578         // Read TTY settings and store it into BP NV.
    579         // AP owns (i.e. stores) the TTY setting in AP settings database and pushes the setting
    580         // to BP at power up (BP does not need to make the TTY setting persistent storage).
    581         // This way, there is a single owner (i.e AP) for the TTY setting in the phone.
    582         if (mTtyEnabled) {
    583             mPreferredTtyMode = android.provider.Settings.Secure.getInt(
    584                     phone.getContext().getContentResolver(),
    585                     android.provider.Settings.Secure.PREFERRED_TTY_MODE,
    586                     Phone.TTY_MODE_OFF);
    587             mHandler.sendMessage(mHandler.obtainMessage(EVENT_TTY_PREFERRED_MODE_CHANGED, 0));
    588         }
    589         // Read HAC settings and configure audio hardware
    590         if (getResources().getBoolean(R.bool.hac_enabled)) {
    591             int hac = android.provider.Settings.System.getInt(phone.getContext().getContentResolver(),
    592                                                               android.provider.Settings.System.HEARING_AID,
    593                                                               0);
    594             AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
    595             audioManager.setParameter(CallFeaturesSetting.HAC_KEY, hac != 0 ?
    596                                       CallFeaturesSetting.HAC_VAL_ON :
    597                                       CallFeaturesSetting.HAC_VAL_OFF);
    598         }
    599    }
    600 
    601     /**
    602      * Returns the singleton instance of the PhoneApp.
    603      */
    604     static PhoneGlobals getInstance() {
    605         if (sMe == null) {
    606             throw new IllegalStateException("No PhoneGlobals here!");
    607         }
    608         return sMe;
    609     }
    610 
    611     /**
    612      * Returns the singleton instance of the PhoneApp if running as the
    613      * primary user, otherwise null.
    614      */
    615     static PhoneGlobals getInstanceIfPrimary() {
    616         return sMe;
    617     }
    618 
    619     /**
    620      * Returns the Phone associated with this instance
    621      */
    622     static Phone getPhone() {
    623         return getInstance().phone;
    624     }
    625 
    626     Ringer getRinger() {
    627         return ringer;
    628     }
    629 
    630     IBluetoothHeadsetPhone getBluetoothPhoneService() {
    631         return mBluetoothPhone;
    632     }
    633 
    634     /* package */ BluetoothManager getBluetoothManager() {
    635         return bluetoothManager;
    636     }
    637 
    638     /* package */ WiredHeadsetManager getWiredHeadsetManager() {
    639         return wiredHeadsetManager;
    640     }
    641 
    642     /* package */ AudioRouter getAudioRouter() {
    643         return audioRouter;
    644     }
    645 
    646     /* package */ CallModeler getCallModeler() {
    647         return callModeler;
    648     }
    649 
    650     /* package */ CallManager getCallManager() {
    651         return mCM;
    652     }
    653 
    654     /**
    655      * Returns an Intent that can be used to go to the "Call log"
    656      * UI (aka CallLogActivity) in the Contacts app.
    657      *
    658      * Watch out: there's no guarantee that the system has any activity to
    659      * handle this intent.  (In particular there may be no "Call log" at
    660      * all on on non-voice-capable devices.)
    661      */
    662     /* package */ static Intent createCallLogIntent() {
    663         Intent intent = new Intent(Intent.ACTION_VIEW, null);
    664         intent.setType("vnd.android.cursor.dir/calls");
    665         return intent;
    666     }
    667 
    668     /* package */static PendingIntent createPendingCallLogIntent(Context context) {
    669         final Intent callLogIntent = PhoneGlobals.createCallLogIntent();
    670         final TaskStackBuilder taskStackBuilder = TaskStackBuilder.create(context);
    671         taskStackBuilder.addNextIntent(callLogIntent);
    672         return taskStackBuilder.getPendingIntent(0, 0);
    673     }
    674 
    675     /**
    676      * Returns PendingIntent for hanging up ongoing phone call. This will typically be used from
    677      * Notification context.
    678      */
    679     /* package */ static PendingIntent createHangUpOngoingCallPendingIntent(Context context) {
    680         Intent intent = new Intent(PhoneGlobals.ACTION_HANG_UP_ONGOING_CALL, null,
    681                 context, NotificationBroadcastReceiver.class);
    682         return PendingIntent.getBroadcast(context, 0, intent, 0);
    683     }
    684 
    685     /* package */ static PendingIntent getCallBackPendingIntent(Context context, String number) {
    686         Intent intent = new Intent(ACTION_CALL_BACK_FROM_NOTIFICATION,
    687                 Uri.fromParts(Constants.SCHEME_TEL, number, null),
    688                 context, NotificationBroadcastReceiver.class);
    689         return PendingIntent.getBroadcast(context, 0, intent, 0);
    690     }
    691 
    692     /* package */ static PendingIntent getSendSmsFromNotificationPendingIntent(
    693             Context context, String number) {
    694         Intent intent = new Intent(ACTION_SEND_SMS_FROM_NOTIFICATION,
    695                 Uri.fromParts(Constants.SCHEME_SMSTO, number, null),
    696                 context, NotificationBroadcastReceiver.class);
    697         return PendingIntent.getBroadcast(context, 0, intent, 0);
    698     }
    699 
    700     boolean isSimPinEnabled() {
    701         return mIsSimPinEnabled;
    702     }
    703 
    704     boolean authenticateAgainstCachedSimPin(String pin) {
    705         return (mCachedSimPin != null && mCachedSimPin.equals(pin));
    706     }
    707 
    708     void setCachedSimPin(String pin) {
    709         mCachedSimPin = pin;
    710     }
    711 
    712     /**
    713      * Handles OTASP-related events from the telephony layer.
    714      *
    715      * While an OTASP call is active, the CallNotifier forwards
    716      * OTASP-related telephony events to this method.
    717      */
    718     void handleOtaspEvent(Message msg) {
    719         if (DBG) Log.d(LOG_TAG, "handleOtaspEvent(message " + msg + ")...");
    720 
    721         if (otaUtils == null) {
    722             // We shouldn't be getting OTASP events without ever
    723             // having started the OTASP call in the first place!
    724             Log.w(LOG_TAG, "handleOtaEvents: got an event but otaUtils is null! "
    725                   + "message = " + msg);
    726             return;
    727         }
    728 
    729         otaUtils.onOtaProvisionStatusChanged((AsyncResult) msg.obj);
    730     }
    731 
    732     /**
    733      * Similarly, handle the disconnect event of an OTASP call
    734      * by forwarding it to the OtaUtils instance.
    735      */
    736     /* package */ void handleOtaspDisconnect() {
    737         if (DBG) Log.d(LOG_TAG, "handleOtaspDisconnect()...");
    738 
    739         if (otaUtils == null) {
    740             // We shouldn't be getting OTASP events without ever
    741             // having started the OTASP call in the first place!
    742             Log.w(LOG_TAG, "handleOtaspDisconnect: otaUtils is null!");
    743             return;
    744         }
    745 
    746         otaUtils.onOtaspDisconnect();
    747     }
    748 
    749     /**
    750      * Sets the activity responsible for un-PUK-blocking the device
    751      * so that we may close it when we receive a positive result.
    752      * mPUKEntryActivity is also used to indicate to the device that
    753      * we are trying to un-PUK-lock the phone. In other words, iff
    754      * it is NOT null, then we are trying to unlock and waiting for
    755      * the SIM to move to READY state.
    756      *
    757      * @param activity is the activity to close when PUK has
    758      * finished unlocking. Can be set to null to indicate the unlock
    759      * or SIM READYing process is over.
    760      */
    761     void setPukEntryActivity(Activity activity) {
    762         mPUKEntryActivity = activity;
    763     }
    764 
    765     Activity getPUKEntryActivity() {
    766         return mPUKEntryActivity;
    767     }
    768 
    769     /**
    770      * Sets the dialog responsible for notifying the user of un-PUK-
    771      * blocking - SIM READYing progress, so that we may dismiss it
    772      * when we receive a positive result.
    773      *
    774      * @param dialog indicates the progress dialog informing the user
    775      * of the state of the device.  Dismissed upon completion of
    776      * READYing process
    777      */
    778     void setPukEntryProgressDialog(ProgressDialog dialog) {
    779         mPUKEntryProgressDialog = dialog;
    780     }
    781 
    782     ProgressDialog getPUKEntryProgressDialog() {
    783         return mPUKEntryProgressDialog;
    784     }
    785 
    786     /**
    787      * Controls whether or not the screen is allowed to sleep.
    788      *
    789      * Once sleep is allowed (WakeState is SLEEP), it will rely on the
    790      * settings for the poke lock to determine when to timeout and let
    791      * the device sleep {@link PhoneGlobals#setScreenTimeout}.
    792      *
    793      * @param ws tells the device to how to wake.
    794      */
    795     /* package */ void requestWakeState(WakeState ws) {
    796         if (VDBG) Log.d(LOG_TAG, "requestWakeState(" + ws + ")...");
    797         synchronized (this) {
    798             if (mWakeState != ws) {
    799                 switch (ws) {
    800                     case PARTIAL:
    801                         // acquire the processor wake lock, and release the FULL
    802                         // lock if it is being held.
    803                         mPartialWakeLock.acquire();
    804                         if (mWakeLock.isHeld()) {
    805                             mWakeLock.release();
    806                         }
    807                         break;
    808                     case FULL:
    809                         // acquire the full wake lock, and release the PARTIAL
    810                         // lock if it is being held.
    811                         mWakeLock.acquire();
    812                         if (mPartialWakeLock.isHeld()) {
    813                             mPartialWakeLock.release();
    814                         }
    815                         break;
    816                     case SLEEP:
    817                     default:
    818                         // release both the PARTIAL and FULL locks.
    819                         if (mWakeLock.isHeld()) {
    820                             mWakeLock.release();
    821                         }
    822                         if (mPartialWakeLock.isHeld()) {
    823                             mPartialWakeLock.release();
    824                         }
    825                         break;
    826                 }
    827                 mWakeState = ws;
    828             }
    829         }
    830     }
    831 
    832     /**
    833      * If we are not currently keeping the screen on, then poke the power
    834      * manager to wake up the screen for the user activity timeout duration.
    835      */
    836     /* package */ void wakeUpScreen() {
    837         synchronized (this) {
    838             if (mWakeState == WakeState.SLEEP) {
    839                 if (DBG) Log.d(LOG_TAG, "pulse screen lock");
    840                 mPowerManager.wakeUp(SystemClock.uptimeMillis());
    841             }
    842         }
    843     }
    844 
    845     /**
    846      * Sets the wake state and screen timeout based on the current state
    847      * of the phone, and the current state of the in-call UI.
    848      *
    849      * This method is a "UI Policy" wrapper around
    850      * {@link PhoneGlobals#requestWakeState} and {@link PhoneGlobals#setScreenTimeout}.
    851      *
    852      * It's safe to call this method regardless of the state of the Phone
    853      * (e.g. whether or not it's idle), and regardless of the state of the
    854      * Phone UI (e.g. whether or not the InCallScreen is active.)
    855      */
    856     /* package */ void updateWakeState() {
    857         PhoneConstants.State state = mCM.getState();
    858 
    859         // True if the speakerphone is in use.  (If so, we *always* use
    860         // the default timeout.  Since the user is obviously not holding
    861         // the phone up to his/her face, we don't need to worry about
    862         // false touches, and thus don't need to turn the screen off so
    863         // aggressively.)
    864         // Note that we need to make a fresh call to this method any
    865         // time the speaker state changes.  (That happens in
    866         // PhoneUtils.turnOnSpeaker().)
    867         boolean isSpeakerInUse = (state == PhoneConstants.State.OFFHOOK) && PhoneUtils.isSpeakerOn(this);
    868 
    869         // TODO (bug 1440854): The screen timeout *might* also need to
    870         // depend on the bluetooth state, but this isn't as clear-cut as
    871         // the speaker state (since while using BT it's common for the
    872         // user to put the phone straight into a pocket, in which case the
    873         // timeout should probably still be short.)
    874 
    875         // Decide whether to force the screen on or not.
    876         //
    877         // Force the screen to be on if the phone is ringing or dialing,
    878         // or if we're displaying the "Call ended" UI for a connection in
    879         // the "disconnected" state.
    880         // However, if the phone is disconnected while the user is in the
    881         // middle of selecting a quick response message, we should not force
    882         // the screen to be on.
    883         //
    884         boolean isRinging = (state == PhoneConstants.State.RINGING);
    885         boolean isDialing = (phone.getForegroundCall().getState() == Call.State.DIALING);
    886         boolean keepScreenOn = isRinging || isDialing;
    887         // keepScreenOn == true means we'll hold a full wake lock:
    888         requestWakeState(keepScreenOn ? WakeState.FULL : WakeState.SLEEP);
    889     }
    890 
    891     /**
    892      * Manually pokes the PowerManager's userActivity method.  Since we
    893      * set the {@link WindowManager.LayoutParams#INPUT_FEATURE_DISABLE_USER_ACTIVITY}
    894      * flag while the InCallScreen is active when there is no proximity sensor,
    895      * we need to do this for touch events that really do count as user activity
    896      * (like pressing any onscreen UI elements.)
    897      */
    898     /* package */ void pokeUserActivity() {
    899         if (VDBG) Log.d(LOG_TAG, "pokeUserActivity()...");
    900         mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
    901     }
    902 
    903     /**
    904      * Notifies the phone app when the phone state changes.
    905      *
    906      * This method will updates various states inside Phone app (e.g. update-lock state, etc.)
    907      */
    908     /* package */ void updatePhoneState(PhoneConstants.State state) {
    909         if (state != mLastPhoneState) {
    910             mLastPhoneState = state;
    911 
    912             // Try to acquire or release UpdateLock.
    913             //
    914             // Watch out: we don't release the lock here when the screen is still in foreground.
    915             // At that time InCallScreen will release it on onPause().
    916             if (state != PhoneConstants.State.IDLE) {
    917                 // UpdateLock is a recursive lock, while we may get "acquire" request twice and
    918                 // "release" request once for a single call (RINGING + OFFHOOK and IDLE).
    919                 // We need to manually ensure the lock is just acquired once for each (and this
    920                 // will prevent other possible buggy situations too).
    921                 if (!mUpdateLock.isHeld()) {
    922                     mUpdateLock.acquire();
    923                 }
    924             } else {
    925                 if (mUpdateLock.isHeld()) {
    926                     mUpdateLock.release();
    927                 }
    928             }
    929         }
    930     }
    931 
    932     /* package */ PhoneConstants.State getPhoneState() {
    933         return mLastPhoneState;
    934     }
    935 
    936     KeyguardManager getKeyguardManager() {
    937         return mKeyguardManager;
    938     }
    939 
    940     private void onMMIComplete(AsyncResult r) {
    941         if (VDBG) Log.d(LOG_TAG, "onMMIComplete()...");
    942         MmiCode mmiCode = (MmiCode) r.result;
    943         PhoneUtils.displayMMIComplete(phone, getInstance(), mmiCode, null, null);
    944     }
    945 
    946     private void initForNewRadioTechnology() {
    947         if (DBG) Log.d(LOG_TAG, "initForNewRadioTechnology...");
    948 
    949          if (phone.getPhoneType() == PhoneConstants.PHONE_TYPE_CDMA) {
    950             // Create an instance of CdmaPhoneCallState and initialize it to IDLE
    951             cdmaPhoneCallState = new CdmaPhoneCallState();
    952             cdmaPhoneCallState.CdmaPhoneCallStateInit();
    953         }
    954         if (TelephonyCapabilities.supportsOtasp(phone)) {
    955             //create instances of CDMA OTA data classes
    956             if (cdmaOtaProvisionData == null) {
    957                 cdmaOtaProvisionData = new OtaUtils.CdmaOtaProvisionData();
    958             }
    959             if (cdmaOtaConfigData == null) {
    960                 cdmaOtaConfigData = new OtaUtils.CdmaOtaConfigData();
    961             }
    962             if (cdmaOtaScreenState == null) {
    963                 cdmaOtaScreenState = new OtaUtils.CdmaOtaScreenState();
    964             }
    965             if (cdmaOtaInCallScreenUiState == null) {
    966                 cdmaOtaInCallScreenUiState = new OtaUtils.CdmaOtaInCallScreenUiState();
    967             }
    968         } else {
    969             //Clean up OTA data in GSM/UMTS. It is valid only for CDMA
    970             clearOtaState();
    971         }
    972 
    973         ringer.updateRingerContextAfterRadioTechnologyChange(this.phone);
    974         notifier.updateCallNotifierRegistrationsAfterRadioTechnologyChange();
    975         callStateMonitor.updateAfterRadioTechnologyChange();
    976 
    977         if (mBluetoothPhone != null) {
    978             try {
    979                 mBluetoothPhone.updateBtHandsfreeAfterRadioTechnologyChange();
    980             } catch (RemoteException e) {
    981                 Log.e(LOG_TAG, Log.getStackTraceString(new Throwable()));
    982             }
    983         }
    984 
    985         // Update registration for ICC status after radio technology change
    986         IccCard sim = phone.getIccCard();
    987         if (sim != null) {
    988             if (DBG) Log.d(LOG_TAG, "Update registration for ICC status...");
    989 
    990             //Register all events new to the new active phone
    991             sim.registerForNetworkLocked(mHandler, EVENT_SIM_NETWORK_LOCKED, null);
    992         }
    993     }
    994 
    995 
    996     /**
    997      * This is called when the wired headset state changes.
    998      */
    999     @Override
   1000     public void onWiredHeadsetConnection(boolean pluggedIn) {
   1001         PhoneConstants.State phoneState = mCM.getState();
   1002 
   1003         // Force TTY state update according to new headset state
   1004         if (mTtyEnabled) {
   1005             mHandler.sendMessage(mHandler.obtainMessage(EVENT_TTY_PREFERRED_MODE_CHANGED, 0));
   1006         }
   1007     }
   1008 
   1009     /**
   1010      * Receiver for misc intent broadcasts the Phone app cares about.
   1011      */
   1012     private class PhoneAppBroadcastReceiver extends BroadcastReceiver {
   1013         @Override
   1014         public void onReceive(Context context, Intent intent) {
   1015             String action = intent.getAction();
   1016             if (action.equals(Intent.ACTION_AIRPLANE_MODE_CHANGED)) {
   1017                 boolean enabled = System.getInt(getContentResolver(),
   1018                         System.AIRPLANE_MODE_ON, 0) == 0;
   1019                 phone.setRadioPower(enabled);
   1020             } else if (action.equals(TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED)) {
   1021                 if (VDBG) Log.d(LOG_TAG, "mReceiver: ACTION_ANY_DATA_CONNECTION_STATE_CHANGED");
   1022                 if (VDBG) Log.d(LOG_TAG, "- state: " + intent.getStringExtra(PhoneConstants.STATE_KEY));
   1023                 if (VDBG) Log.d(LOG_TAG, "- reason: "
   1024                                 + intent.getStringExtra(PhoneConstants.STATE_CHANGE_REASON_KEY));
   1025 
   1026                 // The "data disconnected due to roaming" notification is shown
   1027                 // if (a) you have the "data roaming" feature turned off, and
   1028                 // (b) you just lost data connectivity because you're roaming.
   1029                 boolean disconnectedDueToRoaming =
   1030                         !phone.getDataRoamingEnabled()
   1031                         && "DISCONNECTED".equals(intent.getStringExtra(PhoneConstants.STATE_KEY))
   1032                         && Phone.REASON_ROAMING_ON.equals(
   1033                             intent.getStringExtra(PhoneConstants.STATE_CHANGE_REASON_KEY));
   1034                 mHandler.sendEmptyMessage(disconnectedDueToRoaming
   1035                                           ? EVENT_DATA_ROAMING_DISCONNECTED
   1036                                           : EVENT_DATA_ROAMING_OK);
   1037             } else if ((action.equals(TelephonyIntents.ACTION_SIM_STATE_CHANGED)) &&
   1038                     (mPUKEntryActivity != null)) {
   1039                 // if an attempt to un-PUK-lock the device was made, while we're
   1040                 // receiving this state change notification, notify the handler.
   1041                 // NOTE: This is ONLY triggered if an attempt to un-PUK-lock has
   1042                 // been attempted.
   1043                 mHandler.sendMessage(mHandler.obtainMessage(EVENT_SIM_STATE_CHANGED,
   1044                         intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE)));
   1045             } else if (action.equals(TelephonyIntents.ACTION_RADIO_TECHNOLOGY_CHANGED)) {
   1046                 String newPhone = intent.getStringExtra(PhoneConstants.PHONE_NAME_KEY);
   1047                 Log.d(LOG_TAG, "Radio technology switched. Now " + newPhone + " is active.");
   1048                 initForNewRadioTechnology();
   1049             } else if (action.equals(TelephonyIntents.ACTION_SERVICE_STATE_CHANGED)) {
   1050                 handleServiceStateChanged(intent);
   1051             } else if (action.equals(TelephonyIntents.ACTION_EMERGENCY_CALLBACK_MODE_CHANGED)) {
   1052                 if (TelephonyCapabilities.supportsEcm(phone)) {
   1053                     Log.d(LOG_TAG, "Emergency Callback Mode arrived in PhoneApp.");
   1054                     // Start Emergency Callback Mode service
   1055                     if (intent.getBooleanExtra("phoneinECMState", false)) {
   1056                         context.startService(new Intent(context,
   1057                                 EmergencyCallbackModeService.class));
   1058                     }
   1059                 } else {
   1060                     // It doesn't make sense to get ACTION_EMERGENCY_CALLBACK_MODE_CHANGED
   1061                     // on a device that doesn't support ECM in the first place.
   1062                     Log.e(LOG_TAG, "Got ACTION_EMERGENCY_CALLBACK_MODE_CHANGED, "
   1063                           + "but ECM isn't supported for phone: " + phone.getPhoneName());
   1064                 }
   1065             } else if (action.equals(Intent.ACTION_DOCK_EVENT)) {
   1066                 mDockState = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
   1067                         Intent.EXTRA_DOCK_STATE_UNDOCKED);
   1068                 if (VDBG) Log.d(LOG_TAG, "ACTION_DOCK_EVENT -> mDockState = " + mDockState);
   1069                 mHandler.sendMessage(mHandler.obtainMessage(EVENT_DOCK_STATE_CHANGED, 0));
   1070             } else if (action.equals(TtyIntent.TTY_PREFERRED_MODE_CHANGE_ACTION)) {
   1071                 mPreferredTtyMode = intent.getIntExtra(TtyIntent.TTY_PREFFERED_MODE,
   1072                                                        Phone.TTY_MODE_OFF);
   1073                 if (VDBG) Log.d(LOG_TAG, "mReceiver: TTY_PREFERRED_MODE_CHANGE_ACTION");
   1074                 if (VDBG) Log.d(LOG_TAG, "    mode: " + mPreferredTtyMode);
   1075                 mHandler.sendMessage(mHandler.obtainMessage(EVENT_TTY_PREFERRED_MODE_CHANGED, 0));
   1076             } else if (action.equals(AudioManager.RINGER_MODE_CHANGED_ACTION)) {
   1077                 int ringerMode = intent.getIntExtra(AudioManager.EXTRA_RINGER_MODE,
   1078                         AudioManager.RINGER_MODE_NORMAL);
   1079                 if (ringerMode == AudioManager.RINGER_MODE_SILENT) {
   1080                     notifier.silenceRinger();
   1081                 }
   1082             }
   1083         }
   1084     }
   1085 
   1086     /**
   1087      * Broadcast receiver for the ACTION_MEDIA_BUTTON broadcast intent.
   1088      *
   1089      * This functionality isn't lumped in with the other intents in
   1090      * PhoneAppBroadcastReceiver because we instantiate this as a totally
   1091      * separate BroadcastReceiver instance, since we need to manually
   1092      * adjust its IntentFilter's priority (to make sure we get these
   1093      * intents *before* the media player.)
   1094      */
   1095     private class MediaButtonBroadcastReceiver extends BroadcastReceiver {
   1096         @Override
   1097         public void onReceive(Context context, Intent intent) {
   1098             KeyEvent event = (KeyEvent) intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT);
   1099             if (VDBG) Log.d(LOG_TAG,
   1100                            "MediaButtonBroadcastReceiver.onReceive()...  event = " + event);
   1101             if ((event != null)
   1102                 && (event.getKeyCode() == KeyEvent.KEYCODE_HEADSETHOOK)) {
   1103                 if (VDBG) Log.d(LOG_TAG, "MediaButtonBroadcastReceiver: HEADSETHOOK");
   1104                 boolean consumed = PhoneUtils.handleHeadsetHook(phone, event);
   1105                 if (VDBG) Log.d(LOG_TAG, "==> handleHeadsetHook(): consumed = " + consumed);
   1106                 if (consumed) {
   1107                     abortBroadcast();
   1108                 }
   1109             } else {
   1110                 if (mCM.getState() != PhoneConstants.State.IDLE) {
   1111                     // If the phone is anything other than completely idle,
   1112                     // then we consume and ignore any media key events,
   1113                     // Otherwise it is too easy to accidentally start
   1114                     // playing music while a phone call is in progress.
   1115                     if (VDBG) Log.d(LOG_TAG, "MediaButtonBroadcastReceiver: consumed");
   1116                     abortBroadcast();
   1117                 }
   1118             }
   1119         }
   1120     }
   1121 
   1122     /**
   1123      * Accepts broadcast Intents which will be prepared by {@link NotificationMgr} and thus
   1124      * sent from framework's notification mechanism (which is outside Phone context).
   1125      * This should be visible from outside, but shouldn't be in "exported" state.
   1126      *
   1127      * TODO: If possible merge this into PhoneAppBroadcastReceiver.
   1128      */
   1129     public static class NotificationBroadcastReceiver extends BroadcastReceiver {
   1130         @Override
   1131         public void onReceive(Context context, Intent intent) {
   1132             String action = intent.getAction();
   1133             // TODO: use "if (VDBG)" here.
   1134             Log.d(LOG_TAG, "Broadcast from Notification: " + action);
   1135 
   1136             if (action.equals(ACTION_HANG_UP_ONGOING_CALL)) {
   1137                 PhoneUtils.hangup(PhoneGlobals.getInstance().mCM);
   1138             } else if (action.equals(ACTION_CALL_BACK_FROM_NOTIFICATION)) {
   1139                 // Collapse the expanded notification and the notification item itself.
   1140                 closeSystemDialogs(context);
   1141                 clearMissedCallNotification(context);
   1142 
   1143                 Intent callIntent = new Intent(Intent.ACTION_CALL_PRIVILEGED, intent.getData());
   1144                 callIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
   1145                         | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
   1146                 context.startActivity(callIntent);
   1147             } else if (action.equals(ACTION_SEND_SMS_FROM_NOTIFICATION)) {
   1148                 // Collapse the expanded notification and the notification item itself.
   1149                 closeSystemDialogs(context);
   1150                 clearMissedCallNotification(context);
   1151 
   1152                 Intent smsIntent = new Intent(Intent.ACTION_SENDTO, intent.getData());
   1153                 smsIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
   1154                 context.startActivity(smsIntent);
   1155             } else {
   1156                 Log.w(LOG_TAG, "Received hang-up request from notification,"
   1157                         + " but there's no call the system can hang up.");
   1158             }
   1159         }
   1160 
   1161         private void closeSystemDialogs(Context context) {
   1162             Intent intent = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
   1163             context.sendBroadcastAsUser(intent, UserHandle.ALL);
   1164         }
   1165 
   1166         private void clearMissedCallNotification(Context context) {
   1167             Intent clearIntent = new Intent(context, ClearMissedCallsService.class);
   1168             clearIntent.setAction(ClearMissedCallsService.ACTION_CLEAR_MISSED_CALLS);
   1169             context.startService(clearIntent);
   1170         }
   1171     }
   1172 
   1173     private void handleServiceStateChanged(Intent intent) {
   1174         /**
   1175          * This used to handle updating EriTextWidgetProvider this routine
   1176          * and and listening for ACTION_SERVICE_STATE_CHANGED intents could
   1177          * be removed. But leaving just in case it might be needed in the near
   1178          * future.
   1179          */
   1180 
   1181         // If service just returned, start sending out the queued messages
   1182         ServiceState ss = ServiceState.newFromBundle(intent.getExtras());
   1183 
   1184         if (ss != null) {
   1185             int state = ss.getState();
   1186             notificationMgr.updateNetworkSelection(state);
   1187         }
   1188     }
   1189 
   1190     public boolean isOtaCallInActiveState() {
   1191         boolean otaCallActive = false;
   1192         if (VDBG) Log.d(LOG_TAG, "- isOtaCallInActiveState " + otaCallActive);
   1193         return otaCallActive;
   1194     }
   1195 
   1196     public boolean isOtaCallInEndState() {
   1197         boolean otaCallEnded = false;
   1198         if (VDBG) Log.d(LOG_TAG, "- isOtaCallInEndState " + otaCallEnded);
   1199         return otaCallEnded;
   1200     }
   1201 
   1202     // it is safe to call clearOtaState() even if the InCallScreen isn't active
   1203     public void clearOtaState() {
   1204         if (DBG) Log.d(LOG_TAG, "- clearOtaState ...");
   1205         if (otaUtils != null) {
   1206             otaUtils.cleanOtaScreen(true);
   1207             if (DBG) Log.d(LOG_TAG, "  - clearOtaState clears OTA screen");
   1208         }
   1209     }
   1210 
   1211     // it is safe to call dismissOtaDialogs() even if the InCallScreen isn't active
   1212     public void dismissOtaDialogs() {
   1213         if (DBG) Log.d(LOG_TAG, "- dismissOtaDialogs ...");
   1214         if (otaUtils != null) {
   1215             otaUtils.dismissAllOtaDialogs();
   1216             if (DBG) Log.d(LOG_TAG, "  - dismissOtaDialogs clears OTA dialogs");
   1217         }
   1218     }
   1219 
   1220     private void handleQueryTTYModeResponse(Message msg) {
   1221         AsyncResult ar = (AsyncResult) msg.obj;
   1222         if (ar.exception != null) {
   1223             if (DBG) Log.d(LOG_TAG, "handleQueryTTYModeResponse: Error getting TTY state.");
   1224         } else {
   1225             if (DBG) Log.d(LOG_TAG,
   1226                            "handleQueryTTYModeResponse: TTY enable state successfully queried.");
   1227 
   1228             int ttymode = ((int[]) ar.result)[0];
   1229             if (DBG) Log.d(LOG_TAG, "handleQueryTTYModeResponse:ttymode=" + ttymode);
   1230 
   1231             Intent ttyModeChanged = new Intent(TtyIntent.TTY_ENABLED_CHANGE_ACTION);
   1232             ttyModeChanged.putExtra("ttyEnabled", ttymode != Phone.TTY_MODE_OFF);
   1233             sendBroadcastAsUser(ttyModeChanged, UserHandle.ALL);
   1234 
   1235             String audioTtyMode;
   1236             switch (ttymode) {
   1237             case Phone.TTY_MODE_FULL:
   1238                 audioTtyMode = "tty_full";
   1239                 break;
   1240             case Phone.TTY_MODE_VCO:
   1241                 audioTtyMode = "tty_vco";
   1242                 break;
   1243             case Phone.TTY_MODE_HCO:
   1244                 audioTtyMode = "tty_hco";
   1245                 break;
   1246             case Phone.TTY_MODE_OFF:
   1247             default:
   1248                 audioTtyMode = "tty_off";
   1249                 break;
   1250             }
   1251             AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
   1252             audioManager.setParameters("tty_mode="+audioTtyMode);
   1253         }
   1254     }
   1255 
   1256     private void handleSetTTYModeResponse(Message msg) {
   1257         AsyncResult ar = (AsyncResult) msg.obj;
   1258 
   1259         if (ar.exception != null) {
   1260             if (DBG) Log.d (LOG_TAG,
   1261                     "handleSetTTYModeResponse: Error setting TTY mode, ar.exception"
   1262                     + ar.exception);
   1263         }
   1264         phone.queryTTYMode(mHandler.obtainMessage(EVENT_TTY_MODE_GET));
   1265     }
   1266 
   1267     /**
   1268      * "Call origin" may be used by Contacts app to specify where the phone call comes from.
   1269      * Currently, the only permitted value for this extra is {@link #ALLOWED_EXTRA_CALL_ORIGIN}.
   1270      * Any other value will be ignored, to make sure that malicious apps can't trick the in-call
   1271      * UI into launching some random other app after a call ends.
   1272      *
   1273      * TODO: make this more generic. Note that we should let the "origin" specify its package
   1274      * while we are now assuming it is "com.android.contacts"
   1275      */
   1276     public static final String EXTRA_CALL_ORIGIN = "com.android.phone.CALL_ORIGIN";
   1277     private static final String DEFAULT_CALL_ORIGIN_PACKAGE = "com.android.dialer";
   1278     private static final String ALLOWED_EXTRA_CALL_ORIGIN =
   1279             "com.android.dialer.DialtactsActivity";
   1280     /**
   1281      * Used to determine if the preserved call origin is fresh enough.
   1282      */
   1283     private static final long CALL_ORIGIN_EXPIRATION_MILLIS = 30 * 1000;
   1284 
   1285     /** Service connection */
   1286     private final ServiceConnection mBluetoothPhoneConnection = new ServiceConnection() {
   1287 
   1288         /** Handle the task of binding the local object to the service */
   1289         public void onServiceConnected(ComponentName className, IBinder service) {
   1290             Log.i(LOG_TAG, "Headset phone created, binding local service.");
   1291             mBluetoothPhone = IBluetoothHeadsetPhone.Stub.asInterface(service);
   1292         }
   1293 
   1294         /** Handle the task of cleaning up the local binding */
   1295         public void onServiceDisconnected(ComponentName className) {
   1296             Log.i(LOG_TAG, "Headset phone disconnected, cleaning local binding.");
   1297             mBluetoothPhone = null;
   1298         }
   1299     };
   1300 
   1301 }
   1302