91 lines
2.7 KiB
Java
91 lines
2.7 KiB
Java
package org.thoughtcrime.securesms.jobmanager;
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import android.app.Application;
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import android.app.job.JobInfo;
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import android.app.job.JobParameters;
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import android.app.job.JobScheduler;
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import android.app.job.JobService;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.SharedPreferences;
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import androidx.annotation.NonNull;
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import androidx.annotation.RequiresApi;
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import org.thoughtcrime.securesms.ApplicationContext;
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import org.session.libsignal.utilities.Log;
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import java.util.List;
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@RequiresApi(26)
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public class JobSchedulerScheduler implements Scheduler {
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private static final String TAG = JobSchedulerScheduler.class.getSimpleName();
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private static final String PREF_NAME = "JobSchedulerScheduler_prefs";
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private static final String PREF_NEXT_ID = "pref_next_id";
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private static final int MAX_ID = 75;
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private final Application application;
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JobSchedulerScheduler(@NonNull Application application) {
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this.application = application;
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}
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@RequiresApi(26)
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@Override
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public void schedule(long delay, @NonNull List<Constraint> constraints) {
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JobInfo.Builder jobInfoBuilder = new JobInfo.Builder(getNextId(), new ComponentName(application, SystemService.class))
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.setMinimumLatency(delay)
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.setPersisted(true);
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for (Constraint constraint : constraints) {
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constraint.applyToJobInfo(jobInfoBuilder);
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}
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Log.i(TAG, "Scheduling a run in " + delay + " ms.");
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JobScheduler jobScheduler = application.getSystemService(JobScheduler.class);
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jobScheduler.schedule(jobInfoBuilder.build());
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}
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private int getNextId() {
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SharedPreferences prefs = application.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE);
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int returnedId = prefs.getInt(PREF_NEXT_ID, 0);
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int nextId = returnedId + 1 > MAX_ID ? 0 : returnedId + 1;
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prefs.edit().putInt(PREF_NEXT_ID, nextId).apply();
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return returnedId;
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}
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@RequiresApi(api = 26)
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public static class SystemService extends JobService {
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@Override
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public boolean onStartJob(JobParameters params) {
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Log.d(TAG, "onStartJob()");
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JobManager jobManager = ApplicationContext.getInstance(getApplicationContext()).getJobManager();
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jobManager.addOnEmptyQueueListener(new JobManager.EmptyQueueListener() {
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@Override
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public void onQueueEmpty() {
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jobManager.removeOnEmptyQueueListener(this);
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jobFinished(params, false);
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Log.d(TAG, "jobFinished()");
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}
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});
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jobManager.wakeUp();
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return true;
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}
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@Override
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public boolean onStopJob(JobParameters params) {
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Log.d(TAG, "onStopJob()");
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return false;
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}
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}
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}
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