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      1 /*
      2  * Copyright (C) 2017 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.googlecode.android_scripting.facade;
     18 
     19 import android.media.AudioManager;
     20 import android.media.ToneGenerator;
     21 
     22 import com.googlecode.android_scripting.jsonrpc.RpcReceiver;
     23 import com.googlecode.android_scripting.rpc.Rpc;
     24 import com.googlecode.android_scripting.rpc.RpcDefault;
     25 import com.googlecode.android_scripting.rpc.RpcParameter;
     26 
     27 /**
     28  * Generate DTMF tones.
     29  *
     30  */
     31 public class ToneGeneratorFacade extends RpcReceiver {
     32 
     33   private final ToneGenerator mToneGenerator;
     34 
     35   public ToneGeneratorFacade(FacadeManager manager) {
     36     super(manager);
     37     mToneGenerator = new ToneGenerator(AudioManager.STREAM_MUSIC, 100);
     38   }
     39 
     40   @Rpc(description = "Generate DTMF tones for the given phone number.")
     41   public void generateDtmfTones(
     42       @RpcParameter(name = "phoneNumber") String phoneNumber,
     43       @RpcParameter(name = "toneDuration", description = "duration of each tone in milliseconds") @RpcDefault("100") Integer toneDuration)
     44       throws InterruptedException {
     45     try {
     46       for (int i = 0; i < phoneNumber.length(); i++) {
     47         switch (phoneNumber.charAt(i)) {
     48         case '0':
     49           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_0);
     50           Thread.sleep(toneDuration);
     51           break;
     52         case '1':
     53           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_1);
     54           Thread.sleep(toneDuration);
     55           break;
     56         case '2':
     57           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_2);
     58           Thread.sleep(toneDuration);
     59           break;
     60         case '3':
     61           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_3);
     62           Thread.sleep(toneDuration);
     63           break;
     64         case '4':
     65           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_4);
     66           Thread.sleep(toneDuration);
     67           break;
     68         case '5':
     69           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_5);
     70           Thread.sleep(toneDuration);
     71           break;
     72         case '6':
     73           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_6);
     74           Thread.sleep(toneDuration);
     75           break;
     76         case '7':
     77           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_7);
     78           Thread.sleep(toneDuration);
     79           break;
     80         case '8':
     81           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_8);
     82           Thread.sleep(toneDuration);
     83           break;
     84         case '9':
     85           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_9);
     86           Thread.sleep(toneDuration);
     87           break;
     88         case '*':
     89           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_S);
     90           Thread.sleep(toneDuration);
     91           break;
     92         case '#':
     93           mToneGenerator.startTone(ToneGenerator.TONE_DTMF_P);
     94           Thread.sleep(toneDuration);
     95           break;
     96         default:
     97           throw new RuntimeException("Cannot generate tone for '" + phoneNumber.charAt(i) + "'");
     98         }
     99       }
    100     } finally {
    101       mToneGenerator.stopTone();
    102     }
    103   }
    104 
    105   @Override
    106   public void shutdown() {
    107   }
    108 }
    109