1 /* 2 * Copyright (C) 2010 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.cts.verifier.audioquality; 18 19 import android.app.Service; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.os.Handler; 23 import android.os.IBinder; 24 import android.os.Message; 25 import android.os.PowerManager; 26 import android.util.Log; 27 28 import java.util.ArrayList; 29 30 /** 31 * Launch an experiment. 32 * 33 * Experiments are decoupled from the UI both so that they can run on a 34 * background thread without freezing the UI, and to support experiments 35 * which take over the screen from the UI (such as invoking Voice Search). 36 */ 37 public class ExperimentService extends Service implements Terminator { 38 private static final String TAG = "AudioQualityVerifier"; 39 private static int BACKGROUND_LOAD = 0; 40 41 private ArrayList<Experiment> mExperiments; 42 private Experiment mExp; 43 44 private TimeoutHandler mHandler = null; 45 private PowerManager.WakeLock mWakeLock = null; 46 47 private boolean mRunAll; 48 private int mExpID; 49 50 private boolean mActive; 51 private LoadGenerator[] mLoadGenerator = null; 52 53 @Override onBind(Intent intent)54 public IBinder onBind(Intent intent) { 55 return null; 56 } 57 58 @Override onCreate()59 public void onCreate() { 60 mExperiments = VerifierExperiments.getExperiments(this); 61 } 62 63 @Override onDestroy()64 public void onDestroy() { 65 Log.i(TAG, "Service destroyed"); 66 terminate(true); 67 } 68 69 /** 70 * Implements Terminator, to clean up when the experiment indicates it 71 * has completed. 72 */ terminate(boolean aborted)73 public void terminate(boolean aborted) { 74 if (mLoadGenerator != null) { 75 for (LoadGenerator generator : mLoadGenerator) { 76 generator.halt(); 77 } 78 mLoadGenerator = null; 79 } 80 if (!mActive) return; 81 mActive = false; 82 if (mHandler != null) mHandler.clear(); 83 if (aborted) { 84 mExp.cancel(); 85 } else { 86 mExp.stop(); 87 } 88 Intent intent = new Intent(AudioQualityVerifierActivity.ACTION_EXP_FINISHED); 89 intent.putExtra(AudioQualityVerifierActivity.EXTRA_EXP_ID, mExpID); 90 intent.putExtra(AudioQualityVerifierActivity.EXTRA_RUN_ALL, mRunAll); 91 intent.putExtra(AudioQualityVerifierActivity.EXTRA_ABORTED, aborted); 92 sendBroadcast(intent); 93 if (mWakeLock != null) { 94 mWakeLock.release(); 95 mWakeLock = null; 96 } 97 } 98 99 @Override onStartCommand(Intent intent, int flags, int startId)100 public int onStartCommand(Intent intent, int flags, int startId) { 101 mActive = true; 102 103 // Obtain wakelock 104 PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 105 mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, TAG); 106 mWakeLock.acquire(); 107 108 if (BACKGROUND_LOAD > 0) { 109 mLoadGenerator = new LoadGenerator[BACKGROUND_LOAD]; 110 for (int i = 0; i < BACKGROUND_LOAD; i++) { 111 mLoadGenerator[i] = new LoadGenerator(); 112 } 113 } 114 115 mExpID = intent.getIntExtra(AudioQualityVerifierActivity.EXTRA_EXP_ID, -1); 116 if (mExpID == -1) { 117 Log.e(TAG, "Invalid test ID"); 118 System.exit(0); 119 } 120 mRunAll = intent.getBooleanExtra(AudioQualityVerifierActivity.EXTRA_RUN_ALL, false); 121 mExp = mExperiments.get(mExpID); 122 mExp.start(); 123 124 // Inform the VerifierActivity Activity that we have started: 125 Intent feedback = new Intent(AudioQualityVerifierActivity.ACTION_EXP_STARTED); 126 feedback.putExtra(AudioQualityVerifierActivity.EXTRA_EXP_ID, mExpID); 127 sendBroadcast(feedback); 128 129 mHandler = new TimeoutHandler(); 130 mHandler.delay(mExp.getTimeout()); 131 mExp.run(this, this); 132 133 return START_NOT_STICKY; 134 } 135 136 class TimeoutHandler extends Handler { 137 @Override handleMessage(Message msg)138 public void handleMessage(Message msg) { 139 terminate(true); 140 stopSelf(); 141 } 142 delay(int secs)143 public void delay(int secs) { 144 removeMessages(0); 145 sendMessageDelayed(obtainMessage(0), secs * 1000); 146 } 147 clear()148 public void clear() { 149 removeMessages(0); 150 } 151 } 152 } 153