Home | History | Annotate | Download | only in telecom
      1 package com.android.server.telecom;
      2 
      3 import com.android.server.telecom.components.ErrorDialogActivity;
      4 
      5 import android.content.Context;
      6 import android.content.Intent;
      7 import android.net.Uri;
      8 import android.os.Bundle;
      9 import android.os.Trace;
     10 import android.os.UserHandle;
     11 import android.os.UserManager;
     12 import android.telecom.Connection;
     13 import android.telecom.DefaultDialerManager;
     14 import android.telecom.PhoneAccount;
     15 import android.telecom.PhoneAccountHandle;
     16 import android.telecom.TelecomManager;
     17 import android.telecom.VideoProfile;
     18 import android.telephony.DisconnectCause;
     19 import android.telephony.PhoneNumberUtils;
     20 import android.widget.Toast;
     21 
     22 /**
     23  * Single point of entry for all outgoing and incoming calls.
     24  * {@link com.android.server.telecom.components.UserCallIntentProcessor} serves as a trampoline that
     25  * captures call intents for individual users and forwards it to the {@link CallIntentProcessor}
     26  * which interacts with the rest of Telecom, both of which run only as the primary user.
     27  */
     28 public class CallIntentProcessor {
     29     public interface Adapter {
     30         void processOutgoingCallIntent(Context context, CallsManager callsManager,
     31                 Intent intent);
     32         void processIncomingCallIntent(CallsManager callsManager, Intent intent);
     33         void processUnknownCallIntent(CallsManager callsManager, Intent intent);
     34     }
     35 
     36     public static class AdapterImpl implements Adapter {
     37         @Override
     38         public void processOutgoingCallIntent(Context context, CallsManager callsManager,
     39                 Intent intent) {
     40             CallIntentProcessor.processOutgoingCallIntent(context, callsManager, intent);
     41         }
     42 
     43         @Override
     44         public void processIncomingCallIntent(CallsManager callsManager, Intent intent) {
     45             CallIntentProcessor.processIncomingCallIntent(callsManager, intent);
     46         }
     47 
     48         @Override
     49         public void processUnknownCallIntent(CallsManager callsManager, Intent intent) {
     50             CallIntentProcessor.processUnknownCallIntent(callsManager, intent);
     51         }
     52     }
     53 
     54     public static final String KEY_IS_UNKNOWN_CALL = "is_unknown_call";
     55     public static final String KEY_IS_INCOMING_CALL = "is_incoming_call";
     56     /*
     57      *  Whether or not the dialer initiating this outgoing call is the default dialer, or system
     58      *  dialer and thus allowed to make emergency calls.
     59      */
     60     public static final String KEY_IS_PRIVILEGED_DIALER = "is_privileged_dialer";
     61 
     62     /**
     63      * The user initiating the outgoing call.
     64      */
     65     public static final String KEY_INITIATING_USER = "initiating_user";
     66 
     67 
     68     private final Context mContext;
     69     private final CallsManager mCallsManager;
     70 
     71     public CallIntentProcessor(Context context, CallsManager callsManager) {
     72         this.mContext = context;
     73         this.mCallsManager = callsManager;
     74     }
     75 
     76     public void processIntent(Intent intent) {
     77         final boolean isUnknownCall = intent.getBooleanExtra(KEY_IS_UNKNOWN_CALL, false);
     78         Log.i(this, "onReceive - isUnknownCall: %s", isUnknownCall);
     79 
     80         Trace.beginSection("processNewCallCallIntent");
     81         if (isUnknownCall) {
     82             processUnknownCallIntent(mCallsManager, intent);
     83         } else {
     84             processOutgoingCallIntent(mContext, mCallsManager, intent);
     85         }
     86         Trace.endSection();
     87     }
     88 
     89 
     90     /**
     91      * Processes CALL, CALL_PRIVILEGED, and CALL_EMERGENCY intents.
     92      *
     93      * @param intent Call intent containing data about the handle to call.
     94      */
     95     static void processOutgoingCallIntent(
     96             Context context,
     97             CallsManager callsManager,
     98             Intent intent) {
     99 
    100         Uri handle = intent.getData();
    101         String scheme = handle.getScheme();
    102         String uriString = handle.getSchemeSpecificPart();
    103 
    104         if (!PhoneAccount.SCHEME_VOICEMAIL.equals(scheme)) {
    105             handle = Uri.fromParts(PhoneNumberUtils.isUriNumber(uriString) ?
    106                     PhoneAccount.SCHEME_SIP : PhoneAccount.SCHEME_TEL, uriString, null);
    107         }
    108 
    109         PhoneAccountHandle phoneAccountHandle = intent.getParcelableExtra(
    110                 TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE);
    111 
    112         Bundle clientExtras = null;
    113         if (intent.hasExtra(TelecomManager.EXTRA_OUTGOING_CALL_EXTRAS)) {
    114             clientExtras = intent.getBundleExtra(TelecomManager.EXTRA_OUTGOING_CALL_EXTRAS);
    115         }
    116         if (clientExtras == null) {
    117             clientExtras = new Bundle();
    118         }
    119 
    120         // Ensure call subject is passed on to the connection service.
    121         if (intent.hasExtra(TelecomManager.EXTRA_CALL_SUBJECT)) {
    122             String callsubject = intent.getStringExtra(TelecomManager.EXTRA_CALL_SUBJECT);
    123             clientExtras.putString(TelecomManager.EXTRA_CALL_SUBJECT, callsubject);
    124         }
    125 
    126         final int videoState = intent.getIntExtra( TelecomManager.EXTRA_START_CALL_WITH_VIDEO_STATE,
    127                 VideoProfile.STATE_AUDIO_ONLY);
    128         clientExtras.putInt(TelecomManager.EXTRA_START_CALL_WITH_VIDEO_STATE, videoState);
    129 
    130         final boolean isPrivilegedDialer = intent.getBooleanExtra(KEY_IS_PRIVILEGED_DIALER, false);
    131 
    132         boolean fixedInitiatingUser = fixInitiatingUserIfNecessary(context, intent);
    133         // Show the toast to warn user that it is a personal call though initiated in work profile.
    134         if (fixedInitiatingUser) {
    135             Toast.makeText(context, R.string.toast_personal_call_msg, Toast.LENGTH_LONG).show();
    136         }
    137 
    138         UserHandle initiatingUser = intent.getParcelableExtra(KEY_INITIATING_USER);
    139 
    140         // Send to CallsManager to ensure the InCallUI gets kicked off before the broadcast returns
    141         Call call = callsManager
    142                 .startOutgoingCall(handle, phoneAccountHandle, clientExtras, initiatingUser);
    143 
    144         if (call != null) {
    145             // Asynchronous calls should not usually be made inside a BroadcastReceiver because once
    146             // onReceive is complete, the BroadcastReceiver's process runs the risk of getting
    147             // killed if memory is scarce. However, this is OK here because the entire Telecom
    148             // process will be running throughout the duration of the phone call and should never
    149             // be killed.
    150             NewOutgoingCallIntentBroadcaster broadcaster = new NewOutgoingCallIntentBroadcaster(
    151                     context, callsManager, call, intent, new PhoneNumberUtilsAdapterImpl(),
    152                     isPrivilegedDialer);
    153             final int result = broadcaster.processIntent();
    154             final boolean success = result == DisconnectCause.NOT_DISCONNECTED;
    155 
    156             if (!success && call != null) {
    157                 disconnectCallAndShowErrorDialog(context, call, result);
    158             }
    159         }
    160     }
    161 
    162     /**
    163      * If the call is initiated from managed profile but there is no work dialer installed, treat
    164      * the call is initiated from its parent user.
    165      *
    166      * @return whether the initiating user is fixed.
    167      */
    168     static boolean fixInitiatingUserIfNecessary(Context context, Intent intent) {
    169         final UserHandle initiatingUser = intent.getParcelableExtra(KEY_INITIATING_USER);
    170         if (UserUtil.isManagedProfile(context, initiatingUser)) {
    171             boolean noDialerInstalled = DefaultDialerManager.getInstalledDialerApplications(context,
    172                     initiatingUser.getIdentifier()).size() == 0;
    173             if (noDialerInstalled) {
    174                 final UserManager userManager = UserManager.get(context);
    175                 UserHandle parentUserHandle =
    176                         userManager.getProfileParent(
    177                                 initiatingUser.getIdentifier()).getUserHandle();
    178                 intent.putExtra(KEY_INITIATING_USER, parentUserHandle);
    179                 return true;
    180             }
    181         }
    182         return false;
    183     }
    184 
    185     static void processIncomingCallIntent(CallsManager callsManager, Intent intent) {
    186         PhoneAccountHandle phoneAccountHandle = intent.getParcelableExtra(
    187                 TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE);
    188 
    189         if (phoneAccountHandle == null) {
    190             Log.w(CallIntentProcessor.class,
    191                     "Rejecting incoming call due to null phone account");
    192             return;
    193         }
    194         if (phoneAccountHandle.getComponentName() == null) {
    195             Log.w(CallIntentProcessor.class,
    196                     "Rejecting incoming call due to null component name");
    197             return;
    198         }
    199 
    200         Bundle clientExtras = null;
    201         if (intent.hasExtra(TelecomManager.EXTRA_INCOMING_CALL_EXTRAS)) {
    202             clientExtras = intent.getBundleExtra(TelecomManager.EXTRA_INCOMING_CALL_EXTRAS);
    203         }
    204         if (clientExtras == null) {
    205             clientExtras = new Bundle();
    206         }
    207 
    208         Log.d(CallIntentProcessor.class,
    209                 "Processing incoming call from connection service [%s]",
    210                 phoneAccountHandle.getComponentName());
    211         callsManager.processIncomingCallIntent(phoneAccountHandle, clientExtras);
    212     }
    213 
    214     static void processUnknownCallIntent(CallsManager callsManager, Intent intent) {
    215         PhoneAccountHandle phoneAccountHandle = intent.getParcelableExtra(
    216                 TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE);
    217 
    218         if (phoneAccountHandle == null) {
    219             Log.w(CallIntentProcessor.class, "Rejecting unknown call due to null phone account");
    220             return;
    221         }
    222         if (phoneAccountHandle.getComponentName() == null) {
    223             Log.w(CallIntentProcessor.class, "Rejecting unknown call due to null component name");
    224             return;
    225         }
    226 
    227         callsManager.addNewUnknownCall(phoneAccountHandle, intent.getExtras());
    228     }
    229 
    230     private static void disconnectCallAndShowErrorDialog(
    231             Context context, Call call, int errorCode) {
    232         call.disconnect();
    233         final Intent errorIntent = new Intent(context, ErrorDialogActivity.class);
    234         int errorMessageId = -1;
    235         switch (errorCode) {
    236             case DisconnectCause.INVALID_NUMBER:
    237             case DisconnectCause.NO_PHONE_NUMBER_SUPPLIED:
    238                 errorMessageId = R.string.outgoing_call_error_no_phone_number_supplied;
    239                 break;
    240         }
    241         if (errorMessageId != -1) {
    242             errorIntent.putExtra(ErrorDialogActivity.ERROR_MESSAGE_ID_EXTRA, errorMessageId);
    243             errorIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    244             context.startActivityAsUser(errorIntent, UserHandle.CURRENT);
    245         }
    246     }
    247 }
    248