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 17 package com.android.deskclock.alarms; 18 19 import android.annotation.TargetApi; 20 import android.content.Context; 21 import android.media.AudioAttributes; 22 import android.os.Build; 23 import android.os.Vibrator; 24 25 import com.android.deskclock.AsyncRingtonePlayer; 26 import com.android.deskclock.LogUtils; 27 import com.android.deskclock.Utils; 28 import com.android.deskclock.provider.AlarmInstance; 29 import com.android.deskclock.settings.SettingsActivity; 30 31 /** 32 * Manages playing ringtone and vibrating the device. 33 */ 34 public final class AlarmKlaxon { 35 private static final long[] sVibratePattern = {500, 500}; 36 37 private static boolean sStarted = false; 38 private static AsyncRingtonePlayer sAsyncRingtonePlayer; 39 AlarmKlaxon()40 private AlarmKlaxon() {} 41 stop(Context context)42 public static void stop(Context context) { 43 if (sStarted) { 44 LogUtils.v("AlarmKlaxon.stop()"); 45 sStarted = false; 46 getAsyncRingtonePlayer(context).stop(); 47 ((Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE)).cancel(); 48 } 49 } 50 start(Context context, AlarmInstance instance)51 public static void start(Context context, AlarmInstance instance) { 52 // Make sure we are stopped before starting 53 stop(context); 54 LogUtils.v("AlarmKlaxon.start()"); 55 56 if (!AlarmInstance.NO_RINGTONE_URI.equals(instance.mRingtone)) { 57 getAsyncRingtonePlayer(context).play(instance.mRingtone); 58 } 59 60 if (instance.mVibrate) { 61 final Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); 62 if (Utils.isLOrLater()) { 63 vibrateLOrLater(vibrator); 64 } else { 65 vibrator.vibrate(sVibratePattern, 0); 66 } 67 } 68 69 sStarted = true; 70 } 71 72 @TargetApi(Build.VERSION_CODES.LOLLIPOP) vibrateLOrLater(Vibrator vibrator)73 private static void vibrateLOrLater(Vibrator vibrator) { 74 vibrator.vibrate(sVibratePattern, 0, new AudioAttributes.Builder() 75 .setUsage(AudioAttributes.USAGE_ALARM) 76 .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION) 77 .build()); 78 } 79 getAsyncRingtonePlayer(Context context)80 private static synchronized AsyncRingtonePlayer getAsyncRingtonePlayer(Context context) { 81 if (sAsyncRingtonePlayer == null) { 82 sAsyncRingtonePlayer = new AsyncRingtonePlayer(context.getApplicationContext(), 83 SettingsActivity.KEY_ALARM_CRESCENDO); 84 } 85 86 return sAsyncRingtonePlayer; 87 } 88 }