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      1 /*
      2  * Copyright (C) 2016 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.voicemail.impl.sms;
     18 
     19 import android.annotation.TargetApi;
     20 import android.app.PendingIntent;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.os.Build.VERSION_CODES;
     24 import android.os.Bundle;
     25 import android.support.annotation.Nullable;
     26 import android.telecom.PhoneAccountHandle;
     27 import android.telephony.TelephonyManager;
     28 import android.telephony.VisualVoicemailSms;
     29 import com.android.dialer.callintent.CallInitiationType;
     30 import com.android.dialer.callintent.CallIntentBuilder;
     31 import com.android.dialer.precall.PreCall;
     32 import com.android.voicemail.VoicemailClient;
     33 import com.android.voicemail.impl.OmtpConstants;
     34 import com.android.voicemail.impl.OmtpVvmCarrierConfigHelper;
     35 import com.android.voicemail.impl.VvmLog;
     36 
     37 /**
     38  * Class ot handle voicemail SMS under legacy mode
     39  *
     40  * @see OmtpVvmCarrierConfigHelper#isLegacyModeEnabled()
     41  */
     42 @TargetApi(VERSION_CODES.O)
     43 public class LegacyModeSmsHandler {
     44 
     45   private static final String TAG = "LegacyModeSmsHandler";
     46 
     47   private static final int CALL_VOICEMAIL_REQUEST_CODE = 1;
     48   private static final int LAUNCH_VOICEMAIL_SETTINGS_REQUEST_CODE = 2;
     49 
     50   public static void handle(Context context, VisualVoicemailSms sms) {
     51     VvmLog.i(TAG, "processing VVM SMS on legacy mode");
     52     String eventType = sms.getPrefix();
     53     Bundle data = sms.getFields();
     54     PhoneAccountHandle handle = sms.getPhoneAccountHandle();
     55 
     56     if (eventType.equals(OmtpConstants.SYNC_SMS_PREFIX)) {
     57       SyncMessage message = new SyncMessage(data);
     58       VvmLog.i(
     59           TAG, "Received SYNC sms for " + handle + " with event " + message.getSyncTriggerEvent());
     60 
     61       switch (message.getSyncTriggerEvent()) {
     62         case OmtpConstants.NEW_MESSAGE:
     63         case OmtpConstants.MAILBOX_UPDATE:
     64           sendLegacyVoicemailNotification(context, handle, message.getNewMessageCount());
     65 
     66           break;
     67         default:
     68           break;
     69       }
     70     }
     71   }
     72 
     73   private static void sendLegacyVoicemailNotification(
     74       Context context, PhoneAccountHandle phoneAccountHandle, int messageCount) {
     75     // The user has called into the voicemail and the new message count could
     76     // change.
     77     // For some carriers new message count could be set to 0 even if there are still
     78     // unread messages, to clear the message waiting indicator.
     79 
     80     VvmLog.i(TAG, "sending voicemail notification");
     81     Intent intent = new Intent(VoicemailClient.ACTION_SHOW_LEGACY_VOICEMAIL);
     82     intent.setPackage(context.getPackageName());
     83     intent.putExtra(VoicemailClient.EXTRA_IS_LEGACY_MODE, true);
     84     intent.putExtra(TelephonyManager.EXTRA_PHONE_ACCOUNT_HANDLE, phoneAccountHandle);
     85     // Setting voicemail message count to non-zero will show the telephony voicemail
     86     // notification, and zero will clear it.
     87     intent.putExtra(TelephonyManager.EXTRA_NOTIFICATION_COUNT, messageCount);
     88 
     89     String voicemailNumber = getVoicemailNumber(context, phoneAccountHandle);
     90     PendingIntent callVoicemailPendingIntent = null;
     91     PendingIntent launchVoicemailSettingsPendingIntent = null;
     92 
     93     if (voicemailNumber != null) {
     94       callVoicemailPendingIntent =
     95           PendingIntent.getActivity(
     96               context,
     97               CALL_VOICEMAIL_REQUEST_CODE,
     98               PreCall.getIntent(
     99                   context,
    100                   CallIntentBuilder.forVoicemail(
    101                       phoneAccountHandle, CallInitiationType.Type.LEGACY_VOICEMAIL_NOTIFICATION)),
    102               PendingIntent.FLAG_UPDATE_CURRENT);
    103     } else {
    104       Intent launchVoicemailSettingsIntent =
    105           new Intent(TelephonyManager.ACTION_CONFIGURE_VOICEMAIL);
    106       launchVoicemailSettingsIntent.putExtra(TelephonyManager.EXTRA_HIDE_PUBLIC_SETTINGS, true);
    107       launchVoicemailSettingsIntent.putExtra(
    108           TelephonyManager.EXTRA_PHONE_ACCOUNT_HANDLE, phoneAccountHandle);
    109 
    110       launchVoicemailSettingsPendingIntent =
    111           PendingIntent.getActivity(
    112               context,
    113               LAUNCH_VOICEMAIL_SETTINGS_REQUEST_CODE,
    114               launchVoicemailSettingsIntent,
    115               PendingIntent.FLAG_UPDATE_CURRENT);
    116     }
    117 
    118     intent.putExtra(TelephonyManager.EXTRA_VOICEMAIL_NUMBER, voicemailNumber);
    119     intent.putExtra(TelephonyManager.EXTRA_CALL_VOICEMAIL_INTENT, callVoicemailPendingIntent);
    120     intent.putExtra(
    121         TelephonyManager.EXTRA_LAUNCH_VOICEMAIL_SETTINGS_INTENT,
    122         launchVoicemailSettingsPendingIntent);
    123 
    124     context.sendBroadcast(intent);
    125   }
    126 
    127   @Nullable
    128   private static String getVoicemailNumber(Context context, PhoneAccountHandle phoneAccountHandle) {
    129     TelephonyManager telephonyManager =
    130         context
    131             .getSystemService(TelephonyManager.class)
    132             .createForPhoneAccountHandle(phoneAccountHandle);
    133     if (telephonyManager == null) {
    134       return null;
    135     }
    136     return telephonyManager.getVoiceMailNumber();
    137   }
    138 }
    139