1/* 2 * Copyright (C) 2013 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.deskclock.alarms; 18 19import android.content.Context; 20import android.media.AudioAttributes; 21import android.os.Build; 22import android.os.Vibrator; 23 24import com.android.deskclock.AsyncRingtonePlayer; 25import com.android.deskclock.LogUtils; 26import com.android.deskclock.provider.AlarmInstance; 27 28/** 29 * Manages playing ringtone and vibrating the device. 30 */ 31public final class AlarmKlaxon { 32 private static final long[] sVibratePattern = {500, 500}; 33 34 private static boolean sStarted = false; 35 private static AsyncRingtonePlayer sAsyncRingtonePlayer; 36 37 private AlarmKlaxon() {} 38 39 public static void stop(Context context) { 40 LogUtils.v("AlarmKlaxon.stop()"); 41 42 if (sStarted) { 43 sStarted = false; 44 getAsyncRingtonePlayer(context).stop(); 45 ((Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE)).cancel(); 46 } 47 } 48 49 public static void start(Context context, AlarmInstance instance) { 50 LogUtils.v("AlarmKlaxon.start()"); 51 // Make sure we are stopped before starting 52 stop(context); 53 54 if (!AlarmInstance.NO_RINGTONE_URI.equals(instance.mRingtone)) { 55 getAsyncRingtonePlayer(context).play(instance.mRingtone); 56 } 57 58 if (instance.mVibrate) { 59 final Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); 60 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { 61 vibrator.vibrate(sVibratePattern, 0, new AudioAttributes.Builder() 62 .setUsage(AudioAttributes.USAGE_ALARM) 63 .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION) 64 .build()); 65 } else { 66 vibrator.vibrate(sVibratePattern, 0); 67 } 68 } 69 70 sStarted = true; 71 } 72 73 private static synchronized AsyncRingtonePlayer getAsyncRingtonePlayer(Context context) { 74 if (sAsyncRingtonePlayer == null) { 75 sAsyncRingtonePlayer = new AsyncRingtonePlayer(context.getApplicationContext()); 76 } 77 78 return sAsyncRingtonePlayer; 79 } 80}