mirror of https://github.com/iSoron/uhabits.git
parent
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/*
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* Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.uhabits.tasks;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.support.annotation.*;
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import java.util.concurrent.TimeoutException;
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public abstract class BaseTask extends AsyncTask<Void, Integer, Void>
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{
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private static int activeTaskCount;
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@CallSuper
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@Override
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protected void onPreExecute()
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{
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super.onPreExecute();
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activeTaskCount++;
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}
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@CallSuper
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@Override
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protected void onPostExecute(Void aVoid)
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{
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activeTaskCount--;
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super.onPostExecute(null);
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}
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@Override
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protected final Void doInBackground(Void... params)
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{
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doInBackground();
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return null;
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}
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protected abstract void doInBackground();
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public static void waitForTasks(long timeout)
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throws TimeoutException, InterruptedException
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{
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN)
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throw new UnsupportedOperationException("waitForTasks requires API 16+");
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int poolInterval = 100;
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while(timeout > 0)
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{
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if(activeTaskCount == 0) return;
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timeout -= poolInterval;
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Thread.sleep(poolInterval);
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}
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throw new TimeoutException();
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}
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}
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@ -0,0 +1,117 @@
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/*
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* Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
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*
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* This file is part of Loop Habit Tracker.
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*
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* Loop Habit Tracker is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Loop Habit Tracker is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.isoron.uhabits.tasks;
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import android.os.*;
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import java.util.*;
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import java.util.concurrent.*;
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import javax.inject.*;
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@Singleton
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public class TaskRunner
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{
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private final LinkedList<CustomAsyncTask> activeTasks;
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@Inject
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public TaskRunner()
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{
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activeTasks = new LinkedList<>();
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}
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public void execute(Task task)
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{
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task.onAttached(this);
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new CustomAsyncTask(task).execute();
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}
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public void setCurrentProgress(Task task, int progress)
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{
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for (CustomAsyncTask asyncTask : activeTasks)
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if (asyncTask.getTask() == task) asyncTask.publish(progress);
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}
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public void waitForTasks(long timeout)
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throws TimeoutException, InterruptedException
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{
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN)
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throw new UnsupportedOperationException("waitForTasks requires API 16+");
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int poolInterval = 100;
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while(timeout > 0)
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{
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if(activeTasks.isEmpty()) return;
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timeout -= poolInterval;
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Thread.sleep(poolInterval);
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}
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throw new TimeoutException();
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}
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private class CustomAsyncTask extends AsyncTask<Void, Integer, Void>
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{
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private final Task task;
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public CustomAsyncTask(Task task)
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{
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this.task = task;
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}
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public Task getTask()
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{
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return task;
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}
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public void publish(int progress)
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{
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publishProgress(progress);
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}
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@Override
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protected Void doInBackground(Void... params)
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{
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task.doInBackground();
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return null;
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}
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@Override
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protected void onPostExecute(Void aVoid)
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{
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task.onPostExecute();
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activeTasks.remove(this);
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}
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@Override
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protected void onProgressUpdate(Integer... values)
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{
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task.onProgressUpdate(values[0]);
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}
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@Override
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protected void onPreExecute()
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{
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activeTasks.add(this);
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task.onPreExecute();
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}
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}
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}
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