1 /* 2 * Copyright (C) 2015 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 package com.android.voicemail.impl.sms; 17 18 import android.app.PendingIntent; 19 import android.content.Context; 20 import android.support.annotation.Nullable; 21 import android.telecom.PhoneAccountHandle; 22 import android.telephony.SmsManager; 23 import com.android.voicemail.impl.OmtpConstants; 24 import com.android.voicemail.impl.TelephonyMangerCompat; 25 import com.android.voicemail.impl.VvmLog; 26 27 /** 28 * Send client originated OMTP messages to the OMTP server. 29 * 30 * <p>Uses {@link PendingIntent} instead of a call back to notify when the message is sent. This is 31 * primarily to keep the implementation simple and reuse what the underlying {@link SmsManager} 32 * interface provides. 33 * 34 * <p>Provides simple APIs to send different types of mobile originated OMTP SMS to the VVM server. 35 */ 36 public abstract class OmtpMessageSender { 37 protected static final String TAG = "OmtpMessageSender"; 38 protected final Context context; 39 protected final PhoneAccountHandle phoneAccountHandle; 40 protected final short applicationPort; 41 protected final String destinationNumber; 42 OmtpMessageSender( Context context, PhoneAccountHandle phoneAccountHandle, short applicationPort, String destinationNumber)43 public OmtpMessageSender( 44 Context context, 45 PhoneAccountHandle phoneAccountHandle, 46 short applicationPort, 47 String destinationNumber) { 48 this.context = context; 49 this.phoneAccountHandle = phoneAccountHandle; 50 this.applicationPort = applicationPort; 51 this.destinationNumber = destinationNumber; 52 } 53 54 /** 55 * Sends a request to the VVM server to activate VVM for the current subscriber. 56 * 57 * @param sentIntent If not NULL this PendingIntent is broadcast when the message is successfully 58 * sent, or failed. 59 */ requestVvmActivation(@ullable PendingIntent sentIntent)60 public void requestVvmActivation(@Nullable PendingIntent sentIntent) {} 61 62 /** 63 * Sends a request to the VVM server to deactivate VVM for the current subscriber. 64 * 65 * @param sentIntent If not NULL this PendingIntent is broadcast when the message is successfully 66 * sent, or failed. 67 */ requestVvmDeactivation(@ullable PendingIntent sentIntent)68 public void requestVvmDeactivation(@Nullable PendingIntent sentIntent) {} 69 70 /** 71 * Send a request to the VVM server to get account status of the current subscriber. 72 * 73 * @param sentIntent If not NULL this PendingIntent is broadcast when the message is successfully 74 * sent, or failed. 75 */ requestVvmStatus(@ullable PendingIntent sentIntent)76 public void requestVvmStatus(@Nullable PendingIntent sentIntent) {} 77 sendSms(String text, PendingIntent sentIntent)78 protected void sendSms(String text, PendingIntent sentIntent) { 79 80 VvmLog.v( 81 TAG, String.format("Sending sms '%s' to %s:%d", text, destinationNumber, applicationPort)); 82 83 TelephonyMangerCompat.sendVisualVoicemailSms( 84 context, phoneAccountHandle, destinationNumber, applicationPort, text, sentIntent); 85 } 86 appendField(StringBuilder sb, String field, Object value)87 protected void appendField(StringBuilder sb, String field, Object value) { 88 sb.append(field).append(OmtpConstants.SMS_KEY_VALUE_SEPARATOR).append(value); 89 } 90 } 91