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      1 /*
      2  * Copyright (C) 2007 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.stk;
     18 
     19 import java.util.HashMap;
     20 
     21 import android.media.AudioManager;
     22 import android.media.ToneGenerator;
     23 import com.android.internal.telephony.gsm.stk.Tone;
     24 
     25 /**
     26  * Class that implements a tones player for the SIM toolkit application.
     27  *
     28  */
     29 public class TonePlayer {
     30     private static final HashMap<Tone, Integer> mToneMap = new HashMap<Tone, Integer>();
     31 
     32     static {
     33         // Map STK tone ids to the system tone ids.
     34         mToneMap.put(Tone.DIAL, ToneGenerator.TONE_SUP_DIAL);
     35         mToneMap.put(Tone.BUSY, ToneGenerator.TONE_SUP_BUSY);
     36         mToneMap.put(Tone.CONGESTION, ToneGenerator.TONE_SUP_CONGESTION);
     37         mToneMap.put(Tone.RADIO_PATH_ACK, ToneGenerator.TONE_SUP_RADIO_ACK);
     38         mToneMap.put(Tone.RADIO_PATH_NOT_AVAILABLE, ToneGenerator.TONE_SUP_RADIO_NOTAVAIL);
     39         mToneMap.put(Tone.ERROR_SPECIAL_INFO, ToneGenerator.TONE_SUP_ERROR);
     40         mToneMap.put(Tone.CALL_WAITING, ToneGenerator.TONE_SUP_CALL_WAITING);
     41         mToneMap.put(Tone.RINGING, ToneGenerator.TONE_SUP_RINGTONE);
     42         mToneMap.put(Tone.GENERAL_BEEP, ToneGenerator.TONE_PROP_BEEP);
     43         mToneMap.put(Tone.POSITIVE_ACK, ToneGenerator.TONE_PROP_ACK);
     44         mToneMap.put(Tone.NEGATIVE_ACK, ToneGenerator.TONE_PROP_NACK);
     45     }
     46 
     47     private ToneGenerator mToneGenerator = null;
     48 
     49     TonePlayer() {
     50         mToneGenerator = new ToneGenerator(AudioManager.STREAM_SYSTEM, 100);
     51     }
     52 
     53     public void play(Tone tone) {
     54         int toneId = getToneId(tone);
     55         if (toneId > 0 && mToneGenerator != null) {
     56             mToneGenerator.startTone(toneId);
     57         }
     58     }
     59 
     60     public void stop() {
     61         if (mToneGenerator != null) {
     62             mToneGenerator.stopTone();
     63         }
     64     }
     65 
     66     public void release() {
     67         mToneGenerator.release();
     68     }
     69 
     70     private int getToneId(Tone tone) {
     71         int toneId = ToneGenerator.TONE_PROP_BEEP;
     72 
     73         if (tone != null && mToneMap.containsKey(tone)) {
     74             toneId = mToneMap.get(tone);
     75         }
     76         return toneId;
     77     }
     78 }
     79