TonePlayer.java revision 28aadc2864433ec393fc93d46d9eba461f66ce89 
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
17package com.android.stk;
18
19import java.util.HashMap;
20
21import android.media.AudioManager;
22import android.media.ToneGenerator;
23import com.android.internal.telephony.gsm.stk.Tone;
24
25/**
26 * Class that implements a tones player for the SIM toolkit application.
27 *
28 */
29public 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