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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 com.android.internal.telephony.CallManager;
     20 
     21 import com.android.internal.telephony.Phone;
     22 import com.android.internal.telephony.PhoneConstants;
     23 import com.android.internal.telephony.cdma.CdmaInformationRecords.CdmaDisplayInfoRec;
     24 import com.android.internal.telephony.cdma.CdmaInformationRecords.CdmaSignalInfoRec;
     25 import com.android.internal.telephony.cdma.SignalToneUtil;
     26 
     27 import android.bluetooth.BluetoothAdapter;
     28 import android.bluetooth.BluetoothHeadset;
     29 import android.bluetooth.BluetoothProfile;
     30 import android.content.Context;
     31 import android.media.AudioManager;
     32 import android.media.ToneGenerator;
     33 import android.os.AsyncResult;
     34 import android.os.Handler;
     35 import android.os.Message;
     36 import android.os.SystemProperties;
     37 import android.telecom.TelecomManager;
     38 
     39 import android.telephony.PhoneStateListener;
     40 import android.telephony.SubscriptionInfo;
     41 import android.telephony.SubscriptionManager;
     42 import android.telephony.SubscriptionManager.OnSubscriptionsChangedListener;
     43 import android.telephony.TelephonyManager;
     44 import android.util.ArrayMap;
     45 import android.util.Log;
     46 
     47 import java.util.Iterator;
     48 import java.util.List;
     49 import java.util.Map;
     50 
     51 /**
     52  * Phone app module that listens for phone state changes and various other
     53  * events from the telephony layer, and triggers any resulting UI behavior
     54  * (like starting the Incoming Call UI, playing in-call tones,
     55  * updating notifications, writing call log entries, etc.)
     56  */
     57 public class CallNotifier extends Handler {
     58     private static final String LOG_TAG = "CallNotifier";
     59     private static final boolean DBG =
     60             (PhoneGlobals.DBG_LEVEL >= 1) && (SystemProperties.getInt("ro.debuggable", 0) == 1);
     61     private static final boolean VDBG = (PhoneGlobals.DBG_LEVEL >= 2);
     62 
     63     // Time to display the message from the underlying phone layers.
     64     private static final int SHOW_MESSAGE_NOTIFICATION_TIME = 3000; // msec
     65 
     66     /** The singleton instance. */
     67     private static CallNotifier sInstance;
     68 
     69     private Map<Integer, CallNotifierPhoneStateListener> mPhoneStateListeners =
     70             new ArrayMap<Integer, CallNotifierPhoneStateListener>();
     71 
     72     private PhoneGlobals mApplication;
     73     private CallManager mCM;
     74     private BluetoothHeadset mBluetoothHeadset;
     75 
     76     // ToneGenerator instance for playing SignalInfo tones
     77     private ToneGenerator mSignalInfoToneGenerator;
     78 
     79     // The tone volume relative to other sounds in the stream SignalInfo
     80     private static final int TONE_RELATIVE_VOLUME_SIGNALINFO = 80;
     81 
     82     private boolean mVoicePrivacyState = false;
     83 
     84     // Cached AudioManager
     85     private AudioManager mAudioManager;
     86     private SubscriptionManager mSubscriptionManager;
     87     private TelephonyManager mTelephonyManager;
     88 
     89     // Events from the Phone object:
     90     public static final int PHONE_DISCONNECT = 3;
     91     public static final int PHONE_STATE_DISPLAYINFO = 6;
     92     public static final int PHONE_STATE_SIGNALINFO = 7;
     93     public static final int PHONE_ENHANCED_VP_ON = 9;
     94     public static final int PHONE_ENHANCED_VP_OFF = 10;
     95     public static final int PHONE_SUPP_SERVICE_FAILED = 14;
     96     public static final int PHONE_TTY_MODE_RECEIVED = 15;
     97     // Events generated internally.
     98     // We should store all the possible event type values in one place to make sure that
     99     // they don't step on each others' toes.
    100     public static final int INTERNAL_SHOW_MESSAGE_NOTIFICATION_DONE = 22;
    101 
    102     /**
    103      * Initialize the singleton CallNotifier instance.
    104      * This is only done once, at startup, from PhoneApp.onCreate().
    105      */
    106     /* package */ static CallNotifier init(
    107             PhoneGlobals app) {
    108         synchronized (CallNotifier.class) {
    109             if (sInstance == null) {
    110                 sInstance = new CallNotifier(app);
    111             } else {
    112                 Log.wtf(LOG_TAG, "init() called multiple times!  sInstance = " + sInstance);
    113             }
    114             return sInstance;
    115         }
    116     }
    117 
    118     /** Private constructor; @see init() */
    119     private CallNotifier(
    120             PhoneGlobals app) {
    121         mApplication = app;
    122         mCM = app.mCM;
    123 
    124         mAudioManager = (AudioManager) mApplication.getSystemService(Context.AUDIO_SERVICE);
    125         mTelephonyManager =
    126                 (TelephonyManager) mApplication.getSystemService(Context.TELEPHONY_SERVICE);
    127         mSubscriptionManager = (SubscriptionManager) mApplication.getSystemService(
    128                 Context.TELEPHONY_SUBSCRIPTION_SERVICE);
    129 
    130         registerForNotifications();
    131 
    132         BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    133         if (adapter != null) {
    134             adapter.getProfileProxy(mApplication.getApplicationContext(),
    135                     mBluetoothProfileServiceListener,
    136                     BluetoothProfile.HEADSET);
    137         }
    138 
    139         mSubscriptionManager.addOnSubscriptionsChangedListener(
    140                 new OnSubscriptionsChangedListener() {
    141                     @Override
    142                     public void onSubscriptionsChanged() {
    143                         updatePhoneStateListeners();
    144                     }
    145                 });
    146     }
    147 
    148     private void createSignalInfoToneGenerator() {
    149         // Instantiate the ToneGenerator for SignalInfo and CallWaiting
    150         // TODO: We probably don't need the mSignalInfoToneGenerator instance
    151         // around forever. Need to change it so as to create a ToneGenerator instance only
    152         // when a tone is being played and releases it after its done playing.
    153         if (mSignalInfoToneGenerator == null) {
    154             try {
    155                 mSignalInfoToneGenerator = new ToneGenerator(AudioManager.STREAM_VOICE_CALL,
    156                         TONE_RELATIVE_VOLUME_SIGNALINFO);
    157                 Log.d(LOG_TAG, "CallNotifier: mSignalInfoToneGenerator created when toneplay");
    158             } catch (RuntimeException e) {
    159                 Log.w(LOG_TAG, "CallNotifier: Exception caught while creating " +
    160                         "mSignalInfoToneGenerator: " + e);
    161                 mSignalInfoToneGenerator = null;
    162             }
    163         } else {
    164             Log.d(LOG_TAG, "mSignalInfoToneGenerator created already, hence skipping");
    165         }
    166     }
    167 
    168     /**
    169      * Register for call state notifications with the CallManager.
    170      */
    171     private void registerForNotifications() {
    172         mCM.registerForDisconnect(this, PHONE_DISCONNECT, null);
    173         mCM.registerForDisplayInfo(this, PHONE_STATE_DISPLAYINFO, null);
    174         mCM.registerForSignalInfo(this, PHONE_STATE_SIGNALINFO, null);
    175         mCM.registerForInCallVoicePrivacyOn(this, PHONE_ENHANCED_VP_ON, null);
    176         mCM.registerForInCallVoicePrivacyOff(this, PHONE_ENHANCED_VP_OFF, null);
    177         mCM.registerForSuppServiceFailed(this, PHONE_SUPP_SERVICE_FAILED, null);
    178         mCM.registerForTtyModeReceived(this, PHONE_TTY_MODE_RECEIVED, null);
    179     }
    180 
    181     @Override
    182     public void handleMessage(Message msg) {
    183         if (DBG) {
    184             Log.d(LOG_TAG, "handleMessage(" + msg.what + ")");
    185         }
    186         switch (msg.what) {
    187             case PHONE_DISCONNECT:
    188                 if (DBG) log("DISCONNECT");
    189                 // Stop any signalInfo tone being played when a call gets ended, the rest of the
    190                 // disconnect functionality in onDisconnect() is handled in ConnectionService.
    191                 stopSignalInfoTone();
    192                 break;
    193 
    194             case PHONE_STATE_DISPLAYINFO:
    195                 if (DBG) log("Received PHONE_STATE_DISPLAYINFO event");
    196                 onDisplayInfo((AsyncResult) msg.obj);
    197                 break;
    198 
    199             case PHONE_STATE_SIGNALINFO:
    200                 if (DBG) log("Received PHONE_STATE_SIGNALINFO event");
    201                 onSignalInfo((AsyncResult) msg.obj);
    202                 break;
    203 
    204             case INTERNAL_SHOW_MESSAGE_NOTIFICATION_DONE:
    205                 if (DBG) log("Received Display Info notification done event ...");
    206                 PhoneDisplayMessage.dismissMessage();
    207                 break;
    208 
    209             case PHONE_ENHANCED_VP_ON:
    210                 if (DBG) log("PHONE_ENHANCED_VP_ON...");
    211                 if (!mVoicePrivacyState) {
    212                     int toneToPlay = InCallTonePlayer.TONE_VOICE_PRIVACY;
    213                     new InCallTonePlayer(toneToPlay).start();
    214                     mVoicePrivacyState = true;
    215                 }
    216                 break;
    217 
    218             case PHONE_ENHANCED_VP_OFF:
    219                 if (DBG) log("PHONE_ENHANCED_VP_OFF...");
    220                 if (mVoicePrivacyState) {
    221                     int toneToPlay = InCallTonePlayer.TONE_VOICE_PRIVACY;
    222                     new InCallTonePlayer(toneToPlay).start();
    223                     mVoicePrivacyState = false;
    224                 }
    225                 break;
    226 
    227             case PHONE_SUPP_SERVICE_FAILED:
    228                 if (DBG) log("PHONE_SUPP_SERVICE_FAILED...");
    229                 onSuppServiceFailed((AsyncResult) msg.obj);
    230                 break;
    231 
    232             case PHONE_TTY_MODE_RECEIVED:
    233                 if (DBG) log("Received PHONE_TTY_MODE_RECEIVED event");
    234                 onTtyModeReceived((AsyncResult) msg.obj);
    235                 break;
    236 
    237             default:
    238                 // super.handleMessage(msg);
    239         }
    240     }
    241 
    242     void updateCallNotifierRegistrationsAfterRadioTechnologyChange() {
    243         if (DBG) Log.d(LOG_TAG, "updateCallNotifierRegistrationsAfterRadioTechnologyChange...");
    244 
    245         // Instantiate mSignalInfoToneGenerator
    246         createSignalInfoToneGenerator();
    247     }
    248 
    249     /**
    250      * Resets the audio mode and speaker state when a call ends.
    251      */
    252     private void resetAudioStateAfterDisconnect() {
    253         if (VDBG) log("resetAudioStateAfterDisconnect()...");
    254 
    255         if (mBluetoothHeadset != null) {
    256             mBluetoothHeadset.disconnectAudio();
    257         }
    258 
    259         // call turnOnSpeaker() with state=false and store=true even if speaker
    260         // is already off to reset user requested speaker state.
    261         PhoneUtils.turnOnSpeaker(mApplication, false, true);
    262 
    263         PhoneUtils.setAudioMode(mCM);
    264     }
    265 
    266     /**
    267      * Helper class to play tones through the earpiece (or speaker / BT)
    268      * during a call, using the ToneGenerator.
    269      *
    270      * To use, just instantiate a new InCallTonePlayer
    271      * (passing in the TONE_* constant for the tone you want)
    272      * and start() it.
    273      *
    274      * When we're done playing the tone, if the phone is idle at that
    275      * point, we'll reset the audio routing and speaker state.
    276      * (That means that for tones that get played *after* a call
    277      * disconnects, like "busy" or "congestion" or "call ended", you
    278      * should NOT call resetAudioStateAfterDisconnect() yourself.
    279      * Instead, just start the InCallTonePlayer, which will automatically
    280      * defer the resetAudioStateAfterDisconnect() call until the tone
    281      * finishes playing.)
    282      */
    283     private class InCallTonePlayer extends Thread {
    284         private int mToneId;
    285         private int mState;
    286         // The possible tones we can play.
    287         public static final int TONE_NONE = 0;
    288         public static final int TONE_CALL_WAITING = 1;
    289         public static final int TONE_BUSY = 2;
    290         public static final int TONE_CONGESTION = 3;
    291         public static final int TONE_CALL_ENDED = 4;
    292         public static final int TONE_VOICE_PRIVACY = 5;
    293         public static final int TONE_REORDER = 6;
    294         public static final int TONE_INTERCEPT = 7;
    295         public static final int TONE_CDMA_DROP = 8;
    296         public static final int TONE_OUT_OF_SERVICE = 9;
    297         public static final int TONE_REDIAL = 10;
    298         public static final int TONE_OTA_CALL_END = 11;
    299         public static final int TONE_UNOBTAINABLE_NUMBER = 13;
    300 
    301         // The tone volume relative to other sounds in the stream
    302         static final int TONE_RELATIVE_VOLUME_EMERGENCY = 100;
    303         static final int TONE_RELATIVE_VOLUME_HIPRI = 80;
    304         static final int TONE_RELATIVE_VOLUME_LOPRI = 50;
    305 
    306         // Buffer time (in msec) to add on to tone timeout value.
    307         // Needed mainly when the timeout value for a tone is the
    308         // exact duration of the tone itself.
    309         static final int TONE_TIMEOUT_BUFFER = 20;
    310 
    311         // The tone state
    312         static final int TONE_OFF = 0;
    313         static final int TONE_ON = 1;
    314         static final int TONE_STOPPED = 2;
    315 
    316         InCallTonePlayer(int toneId) {
    317             super();
    318             mToneId = toneId;
    319             mState = TONE_OFF;
    320         }
    321 
    322         @Override
    323         public void run() {
    324             log("InCallTonePlayer.run(toneId = " + mToneId + ")...");
    325 
    326             int toneType = 0;  // passed to ToneGenerator.startTone()
    327             int toneVolume;  // passed to the ToneGenerator constructor
    328             int toneLengthMillis;
    329             int phoneType = mCM.getFgPhone().getPhoneType();
    330 
    331             switch (mToneId) {
    332                 case TONE_CALL_WAITING:
    333                     toneType = ToneGenerator.TONE_SUP_CALL_WAITING;
    334                     toneVolume = TONE_RELATIVE_VOLUME_HIPRI;
    335                     // Call waiting tone is stopped by stopTone() method
    336                     toneLengthMillis = Integer.MAX_VALUE - TONE_TIMEOUT_BUFFER;
    337                     break;
    338                 case TONE_BUSY:
    339                     if (phoneType == PhoneConstants.PHONE_TYPE_CDMA) {
    340                         toneType = ToneGenerator.TONE_CDMA_NETWORK_BUSY_ONE_SHOT;
    341                         toneVolume = TONE_RELATIVE_VOLUME_LOPRI;
    342                         toneLengthMillis = 1000;
    343                     } else if (phoneType == PhoneConstants.PHONE_TYPE_GSM
    344                             || phoneType == PhoneConstants.PHONE_TYPE_SIP
    345                             || phoneType == PhoneConstants.PHONE_TYPE_IMS
    346                             || phoneType == PhoneConstants.PHONE_TYPE_THIRD_PARTY) {
    347                         toneType = ToneGenerator.TONE_SUP_BUSY;
    348                         toneVolume = TONE_RELATIVE_VOLUME_HIPRI;
    349                         toneLengthMillis = 4000;
    350                     } else {
    351                         throw new IllegalStateException("Unexpected phone type: " + phoneType);
    352                     }
    353                     break;
    354                 case TONE_CONGESTION:
    355                     toneType = ToneGenerator.TONE_SUP_CONGESTION;
    356                     toneVolume = TONE_RELATIVE_VOLUME_HIPRI;
    357                     toneLengthMillis = 4000;
    358                     break;
    359 
    360                 case TONE_CALL_ENDED:
    361                     toneType = ToneGenerator.TONE_PROP_PROMPT;
    362                     toneVolume = TONE_RELATIVE_VOLUME_HIPRI;
    363                     toneLengthMillis = 200;
    364                     break;
    365                 case TONE_VOICE_PRIVACY:
    366                     toneType = ToneGenerator.TONE_CDMA_ALERT_NETWORK_LITE;
    367                     toneVolume = TONE_RELATIVE_VOLUME_HIPRI;
    368                     toneLengthMillis = 5000;
    369                     break;
    370                 case TONE_REORDER:
    371                     toneType = ToneGenerator.TONE_CDMA_REORDER;
    372                     toneVolume = TONE_RELATIVE_VOLUME_HIPRI;
    373                     toneLengthMillis = 4000;
    374                     break;
    375                 case TONE_INTERCEPT:
    376                     toneType = ToneGenerator.TONE_CDMA_ABBR_INTERCEPT;
    377                     toneVolume = TONE_RELATIVE_VOLUME_LOPRI;
    378                     toneLengthMillis = 500;
    379                     break;
    380                 case TONE_CDMA_DROP:
    381                 case TONE_OUT_OF_SERVICE:
    382                     toneType = ToneGenerator.TONE_CDMA_CALLDROP_LITE;
    383                     toneVolume = TONE_RELATIVE_VOLUME_LOPRI;
    384                     toneLengthMillis = 375;
    385                     break;
    386                 case TONE_REDIAL:
    387                     toneType = ToneGenerator.TONE_CDMA_ALERT_AUTOREDIAL_LITE;
    388                     toneVolume = TONE_RELATIVE_VOLUME_LOPRI;
    389                     toneLengthMillis = 5000;
    390                     break;
    391                 case TONE_UNOBTAINABLE_NUMBER:
    392                     toneType = ToneGenerator.TONE_SUP_ERROR;
    393                     toneVolume = TONE_RELATIVE_VOLUME_HIPRI;
    394                     toneLengthMillis = 4000;
    395                     break;
    396                 default:
    397                     throw new IllegalArgumentException("Bad toneId: " + mToneId);
    398             }
    399 
    400             // If the mToneGenerator creation fails, just continue without it.  It is
    401             // a local audio signal, and is not as important.
    402             ToneGenerator toneGenerator;
    403             try {
    404                 int stream;
    405                 if (mBluetoothHeadset != null) {
    406                     stream = mBluetoothHeadset.isAudioOn() ? AudioManager.STREAM_BLUETOOTH_SCO:
    407                         AudioManager.STREAM_VOICE_CALL;
    408                 } else {
    409                     stream = AudioManager.STREAM_VOICE_CALL;
    410                 }
    411                 toneGenerator = new ToneGenerator(stream, toneVolume);
    412                 // if (DBG) log("- created toneGenerator: " + toneGenerator);
    413             } catch (RuntimeException e) {
    414                 Log.w(LOG_TAG,
    415                       "InCallTonePlayer: Exception caught while creating ToneGenerator: " + e);
    416                 toneGenerator = null;
    417             }
    418 
    419             // Using the ToneGenerator (with the CALL_WAITING / BUSY /
    420             // CONGESTION tones at least), the ToneGenerator itself knows
    421             // the right pattern of tones to play; we do NOT need to
    422             // manually start/stop each individual tone, or manually
    423             // insert the correct delay between tones.  (We just start it
    424             // and let it run for however long we want the tone pattern to
    425             // continue.)
    426             //
    427             // TODO: When we stop the ToneGenerator in the middle of a
    428             // "tone pattern", it sounds bad if we cut if off while the
    429             // tone is actually playing.  Consider adding API to the
    430             // ToneGenerator to say "stop at the next silent part of the
    431             // pattern", or simply "play the pattern N times and then
    432             // stop."
    433             boolean needToStopTone = true;
    434             boolean okToPlayTone = false;
    435 
    436             if (toneGenerator != null) {
    437                 int ringerMode = mAudioManager.getRingerMode();
    438                 if (phoneType == PhoneConstants.PHONE_TYPE_CDMA) {
    439                     if (toneType == ToneGenerator.TONE_CDMA_ALERT_CALL_GUARD) {
    440                         if ((ringerMode != AudioManager.RINGER_MODE_SILENT) &&
    441                                 (ringerMode != AudioManager.RINGER_MODE_VIBRATE)) {
    442                             if (DBG) log("- InCallTonePlayer: start playing call tone=" + toneType);
    443                             okToPlayTone = true;
    444                             needToStopTone = false;
    445                         }
    446                     } else if ((toneType == ToneGenerator.TONE_CDMA_NETWORK_BUSY_ONE_SHOT) ||
    447                             (toneType == ToneGenerator.TONE_CDMA_REORDER) ||
    448                             (toneType == ToneGenerator.TONE_CDMA_ABBR_REORDER) ||
    449                             (toneType == ToneGenerator.TONE_CDMA_ABBR_INTERCEPT) ||
    450                             (toneType == ToneGenerator.TONE_CDMA_CALLDROP_LITE)) {
    451                         if (ringerMode != AudioManager.RINGER_MODE_SILENT) {
    452                             if (DBG) log("InCallTonePlayer:playing call fail tone:" + toneType);
    453                             okToPlayTone = true;
    454                             needToStopTone = false;
    455                         }
    456                     } else if ((toneType == ToneGenerator.TONE_CDMA_ALERT_AUTOREDIAL_LITE) ||
    457                                (toneType == ToneGenerator.TONE_CDMA_ALERT_NETWORK_LITE)) {
    458                         if ((ringerMode != AudioManager.RINGER_MODE_SILENT) &&
    459                                 (ringerMode != AudioManager.RINGER_MODE_VIBRATE)) {
    460                             if (DBG) log("InCallTonePlayer:playing tone for toneType=" + toneType);
    461                             okToPlayTone = true;
    462                             needToStopTone = false;
    463                         }
    464                     } else { // For the rest of the tones, always OK to play.
    465                         okToPlayTone = true;
    466                     }
    467                 } else {  // Not "CDMA"
    468                     okToPlayTone = true;
    469                 }
    470 
    471                 synchronized (this) {
    472                     if (okToPlayTone && mState != TONE_STOPPED) {
    473                         mState = TONE_ON;
    474                         toneGenerator.startTone(toneType);
    475                         try {
    476                             wait(toneLengthMillis + TONE_TIMEOUT_BUFFER);
    477                         } catch  (InterruptedException e) {
    478                             Log.w(LOG_TAG,
    479                                   "InCallTonePlayer stopped: " + e);
    480                         }
    481                         if (needToStopTone) {
    482                             toneGenerator.stopTone();
    483                         }
    484                     }
    485                     // if (DBG) log("- InCallTonePlayer: done playing.");
    486                     toneGenerator.release();
    487                     mState = TONE_OFF;
    488                 }
    489             }
    490 
    491             // Finally, do the same cleanup we otherwise would have done
    492             // in onDisconnect().
    493             //
    494             // (But watch out: do NOT do this if the phone is in use,
    495             // since some of our tones get played *during* a call (like
    496             // CALL_WAITING) and we definitely *don't*
    497             // want to reset the audio mode / speaker / bluetooth after
    498             // playing those!
    499             // This call is really here for use with tones that get played
    500             // *after* a call disconnects, like "busy" or "congestion" or
    501             // "call ended", where the phone has already become idle but
    502             // we need to defer the resetAudioStateAfterDisconnect() call
    503             // till the tone finishes playing.)
    504             if (mCM.getState() == PhoneConstants.State.IDLE) {
    505                 resetAudioStateAfterDisconnect();
    506             }
    507         }
    508     }
    509 
    510     /**
    511      * Displays a notification when the phone receives a DisplayInfo record.
    512      */
    513     private void onDisplayInfo(AsyncResult r) {
    514         // Extract the DisplayInfo String from the message
    515         CdmaDisplayInfoRec displayInfoRec = (CdmaDisplayInfoRec)(r.result);
    516 
    517         if (displayInfoRec != null) {
    518             String displayInfo = displayInfoRec.alpha;
    519             if (DBG) log("onDisplayInfo: displayInfo=" + displayInfo);
    520             PhoneDisplayMessage.displayNetworkMessage(mApplication, displayInfo);
    521 
    522             // start a timer that kills the dialog
    523             sendEmptyMessageDelayed(INTERNAL_SHOW_MESSAGE_NOTIFICATION_DONE,
    524                     SHOW_MESSAGE_NOTIFICATION_TIME);
    525         }
    526     }
    527 
    528     /**
    529      * Displays a notification when the phone receives a notice that a supplemental
    530      * service has failed.
    531      * TODO: This is a NOOP if it isn't for conferences or resuming call failures right now.
    532      */
    533     private void onSuppServiceFailed(AsyncResult r) {
    534         if (r.result != Phone.SuppService.CONFERENCE && r.result != Phone.SuppService.RESUME) {
    535             if (DBG) log("onSuppServiceFailed: not a merge or resume failure event");
    536             return;
    537         }
    538 
    539         String mergeFailedString = "";
    540         if (r.result == Phone.SuppService.CONFERENCE) {
    541             if (DBG) log("onSuppServiceFailed: displaying merge failure message");
    542             mergeFailedString = mApplication.getResources().getString(
    543                     R.string.incall_error_supp_service_conference);
    544         } else if (r.result == Phone.SuppService.RESUME) {
    545             if (DBG) log("onSuppServiceFailed: displaying merge failure message");
    546             mergeFailedString = mApplication.getResources().getString(
    547                     R.string.incall_error_supp_service_switch);
    548         } else if (r.result == Phone.SuppService.HOLD) {
    549             mergeFailedString = mApplication.getResources().getString(
    550                     R.string.incall_error_supp_service_hold);
    551         }
    552         PhoneDisplayMessage.displayErrorMessage(mApplication, mergeFailedString);
    553 
    554         // start a timer that kills the dialog
    555         sendEmptyMessageDelayed(INTERNAL_SHOW_MESSAGE_NOTIFICATION_DONE,
    556                 SHOW_MESSAGE_NOTIFICATION_TIME);
    557     }
    558 
    559     public void updatePhoneStateListeners() {
    560         List<SubscriptionInfo> subInfos = mSubscriptionManager.getActiveSubscriptionInfoList();
    561 
    562         // Unregister phone listeners for inactive subscriptions.
    563         Iterator<Integer> itr = mPhoneStateListeners.keySet().iterator();
    564         while (itr.hasNext()) {
    565             int subId = itr.next();
    566             if (subInfos == null || !containsSubId(subInfos, subId)) {
    567                 // Hide the outstanding notifications.
    568                 mApplication.notificationMgr.updateMwi(subId, false);
    569                 mApplication.notificationMgr.updateCfi(subId, false);
    570 
    571                 // Listening to LISTEN_NONE removes the listener.
    572                 mTelephonyManager.listen(
    573                         mPhoneStateListeners.get(subId), PhoneStateListener.LISTEN_NONE);
    574                 itr.remove();
    575             }
    576         }
    577 
    578         if (subInfos == null) {
    579             return;
    580         }
    581 
    582         // Register new phone listeners for active subscriptions.
    583         for (int i = 0; i < subInfos.size(); i++) {
    584             int subId = subInfos.get(i).getSubscriptionId();
    585             if (!mPhoneStateListeners.containsKey(subId)) {
    586                 CallNotifierPhoneStateListener listener = new CallNotifierPhoneStateListener(subId);
    587                 mTelephonyManager.listen(listener,
    588                         PhoneStateListener.LISTEN_MESSAGE_WAITING_INDICATOR
    589                         | PhoneStateListener.LISTEN_CALL_FORWARDING_INDICATOR);
    590                 mPhoneStateListeners.put(subId, listener);
    591             }
    592         }
    593     }
    594 
    595     /**
    596      * @return {@code true} if the list contains SubscriptionInfo with the given subscription id.
    597      */
    598     private boolean containsSubId(List<SubscriptionInfo> subInfos, int subId) {
    599         if (subInfos == null) {
    600             return false;
    601         }
    602 
    603         for (int i = 0; i < subInfos.size(); i++) {
    604             if (subInfos.get(i).getSubscriptionId() == subId) {
    605                 return true;
    606             }
    607         }
    608         return false;
    609     }
    610 
    611     /**
    612      * Displays a notification when the phone receives a notice that TTY mode
    613      * has changed on remote end.
    614      */
    615     private void onTtyModeReceived(AsyncResult r) {
    616         if (DBG) log("TtyModeReceived: displaying notification message");
    617 
    618         int resId = 0;
    619         switch (((Integer)r.result).intValue()) {
    620             case TelecomManager.TTY_MODE_FULL:
    621                 resId = com.android.internal.R.string.peerTtyModeFull;
    622                 break;
    623             case TelecomManager.TTY_MODE_HCO:
    624                 resId = com.android.internal.R.string.peerTtyModeHco;
    625                 break;
    626             case TelecomManager.TTY_MODE_VCO:
    627                 resId = com.android.internal.R.string.peerTtyModeVco;
    628                 break;
    629             case TelecomManager.TTY_MODE_OFF:
    630                 resId = com.android.internal.R.string.peerTtyModeOff;
    631                 break;
    632             default:
    633                 Log.e(LOG_TAG, "Unsupported TTY mode: " + r.result);
    634                 break;
    635         }
    636         if (resId != 0) {
    637             PhoneDisplayMessage.displayNetworkMessage(mApplication,
    638                     mApplication.getResources().getString(resId));
    639 
    640             // start a timer that kills the dialog
    641             sendEmptyMessageDelayed(INTERNAL_SHOW_MESSAGE_NOTIFICATION_DONE,
    642                     SHOW_MESSAGE_NOTIFICATION_TIME);
    643         }
    644     }
    645 
    646     /**
    647      * Helper class to play SignalInfo tones using the ToneGenerator.
    648      *
    649      * To use, just instantiate a new SignalInfoTonePlayer
    650      * (passing in the ToneID constant for the tone you want)
    651      * and start() it.
    652      */
    653     private class SignalInfoTonePlayer extends Thread {
    654         private int mToneId;
    655 
    656         SignalInfoTonePlayer(int toneId) {
    657             super();
    658             mToneId = toneId;
    659         }
    660 
    661         @Override
    662         public void run() {
    663             log("SignalInfoTonePlayer.run(toneId = " + mToneId + ")...");
    664             createSignalInfoToneGenerator();
    665             if (mSignalInfoToneGenerator != null) {
    666                 //First stop any ongoing SignalInfo tone
    667                 mSignalInfoToneGenerator.stopTone();
    668 
    669                 //Start playing the new tone if its a valid tone
    670                 mSignalInfoToneGenerator.startTone(mToneId);
    671             }
    672         }
    673     }
    674 
    675     /**
    676      * Plays a tone when the phone receives a SignalInfo record.
    677      */
    678     private void onSignalInfo(AsyncResult r) {
    679         // Signal Info are totally ignored on non-voice-capable devices.
    680         if (!PhoneGlobals.sVoiceCapable) {
    681             Log.w(LOG_TAG, "Got onSignalInfo() on non-voice-capable device! Ignoring...");
    682             return;
    683         }
    684 
    685         if (PhoneUtils.isRealIncomingCall(mCM.getFirstActiveRingingCall().getState())) {
    686             // Do not start any new SignalInfo tone when Call state is INCOMING
    687             // and stop any previous SignalInfo tone which is being played
    688             stopSignalInfoTone();
    689         } else {
    690             // Extract the SignalInfo String from the message
    691             CdmaSignalInfoRec signalInfoRec = (CdmaSignalInfoRec)(r.result);
    692             // Only proceed if a Signal info is present.
    693             if (signalInfoRec != null) {
    694                 boolean isPresent = signalInfoRec.isPresent;
    695                 if (DBG) log("onSignalInfo: isPresent=" + isPresent);
    696                 if (isPresent) {// if tone is valid
    697                     int uSignalType = signalInfoRec.signalType;
    698                     int uAlertPitch = signalInfoRec.alertPitch;
    699                     int uSignal = signalInfoRec.signal;
    700 
    701                     if (DBG) log("onSignalInfo: uSignalType=" + uSignalType + ", uAlertPitch=" +
    702                             uAlertPitch + ", uSignal=" + uSignal);
    703                     //Map the Signal to a ToneGenerator ToneID only if Signal info is present
    704                     int toneID = SignalToneUtil.getAudioToneFromSignalInfo
    705                             (uSignalType, uAlertPitch, uSignal);
    706 
    707                     //Create the SignalInfo tone player and pass the ToneID
    708                     new SignalInfoTonePlayer(toneID).start();
    709                 }
    710             }
    711         }
    712     }
    713 
    714     /**
    715      * Stops a SignalInfo tone in the following condition
    716      * 1 - On receiving a New Ringing Call
    717      * 2 - On disconnecting a call
    718      * 3 - On answering a Call Waiting Call
    719      */
    720     /* package */ void stopSignalInfoTone() {
    721         if (DBG) log("stopSignalInfoTone: Stopping SignalInfo tone player");
    722         new SignalInfoTonePlayer(ToneGenerator.TONE_CDMA_SIGNAL_OFF).start();
    723     }
    724 
    725     private BluetoothProfile.ServiceListener mBluetoothProfileServiceListener =
    726            new BluetoothProfile.ServiceListener() {
    727                 public void onServiceConnected(int profile, BluetoothProfile proxy) {
    728                     mBluetoothHeadset = (BluetoothHeadset) proxy;
    729                     if (VDBG) log("- Got BluetoothHeadset: " + mBluetoothHeadset);
    730                 }
    731 
    732                 public void onServiceDisconnected(int profile) {
    733                     mBluetoothHeadset = null;
    734                 }
    735             };
    736 
    737     private class CallNotifierPhoneStateListener extends PhoneStateListener {
    738         public CallNotifierPhoneStateListener(int subId) {
    739             super(subId);
    740         }
    741 
    742         @Override
    743         public void onMessageWaitingIndicatorChanged(boolean visible) {
    744             if (VDBG) log("onMessageWaitingIndicatorChanged(): " + this.mSubId + " " + visible);
    745             mApplication.notificationMgr.updateMwi(this.mSubId, visible);
    746         }
    747 
    748         @Override
    749         public void onCallForwardingIndicatorChanged(boolean visible) {
    750             if (VDBG) log("onCallForwardingIndicatorChanged(): " + this.mSubId + " " + visible);
    751             mApplication.notificationMgr.updateCfi(this.mSubId, visible);
    752         }
    753     };
    754 
    755     private void log(String msg) {
    756         Log.d(LOG_TAG, msg);
    757     }
    758 }
    759