| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.google.android.car.garagemode.testapp; |
| |
| import android.app.job.JobParameters; |
| import android.app.job.JobService; |
| import android.os.AsyncTask; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.util.SparseArray; |
| |
| import java.lang.ref.WeakReference; |
| |
| public class DishService extends JobService { |
| private static final Logger LOG = new Logger("JobScheduler_DishService"); |
| private static final int DELAY_MS = 1000; // wash a plate every second! |
| |
| private static final int MSG_FINISHED = 0; |
| private static final int MSG_RUN_JOB = 1; |
| private static final int MSG_CANCEL_JOB = 2; |
| |
| public static final String EXTRA_DISH_COUNT = "dish_count"; |
| |
| private final Handler mHandler = new Handler() { |
| private SparseArray<JobParameters> mTaskMap = new SparseArray<>(); |
| @Override |
| public void handleMessage(Message msg) { |
| JobParameters job = (JobParameters) msg.obj; |
| switch (msg.what) { |
| case MSG_FINISHED: |
| LOG.d("Job done! " + job.getJobId()); |
| mTaskMap.remove(job.getJobId()); |
| jobFinished(job, false); |
| break; |
| case MSG_RUN_JOB: |
| DishWasherTask task = new DishWasherTask(this, job, msg.arg1); |
| task.execute(); |
| mTaskMap.put(job.getJobId(), job); |
| break; |
| case MSG_CANCEL_JOB: |
| JobParameters job1 = mTaskMap.get(job.getJobId()); |
| if (job1 != null) { |
| removeMessages(MSG_RUN_JOB, job1); |
| LOG.d("cancelled job " + job1); |
| mTaskMap.remove(job.getJobId()); |
| } |
| break; |
| default: |
| LOG.w("Unknown message " + msg.what); |
| } |
| } |
| }; |
| |
| @Override |
| public boolean onStopJob(JobParameters jobParameters) { |
| LOG.d("onStopJob " + jobParameters); |
| Message msg = mHandler.obtainMessage(MSG_CANCEL_JOB, 0, 0, jobParameters); |
| mHandler.sendMessage(msg); |
| return false; |
| } |
| |
| @Override |
| public boolean onStartJob(final JobParameters jobParameters) { |
| LOG.d("onStartJob " + jobParameters); |
| Message msg = mHandler.obtainMessage(MSG_RUN_JOB, 0, 0, jobParameters); |
| mHandler.sendMessage(msg); |
| return true; |
| } |
| |
| private static final class DishWasherTask extends AsyncTask<Void, Void, Boolean> { |
| private final WeakReference<Handler> mHandler; |
| private final JobParameters mJobParameter; |
| private final int mMyDishNum; |
| |
| |
| DishWasherTask(Handler handler, JobParameters jobParameters, int dishNum) { |
| mHandler = new WeakReference<Handler>(handler); |
| mJobParameter = jobParameters; |
| mMyDishNum = dishNum; |
| } |
| |
| @Override |
| protected Boolean doInBackground(Void... infos) { |
| int dishTotal = mJobParameter.getExtras().getInt(EXTRA_DISH_COUNT); |
| |
| LOG.d("jobId: " + mJobParameter.getJobId() + " totalDish: " + dishTotal |
| + " washing: #" + mMyDishNum); |
| wash(); |
| if (mMyDishNum >= dishTotal - 1) { |
| // all done! |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| protected void onPostExecute(Boolean result) { |
| final Handler handler = mHandler.get(); |
| if (handler == null) { |
| return; |
| } |
| if (result) { |
| Message msg = handler.obtainMessage(MSG_RUN_JOB, mMyDishNum + 1, 0, mJobParameter); |
| handler.sendMessageDelayed(msg, DELAY_MS); |
| } else { |
| Message msg = handler.obtainMessage(MSG_FINISHED, 0, 0, mJobParameter); |
| handler.sendMessage(msg); |
| } |
| } |
| |
| private void wash() { |
| // TODO: add heavy wash tasks here... |
| } |
| } |
| } |