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Convert AndroidTaskRunner

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pull/716/head
Quentin Hibon 5 years ago
parent 7d361b2203
commit 22dcd9f7ae
2 changed files with 100 additions and 147 deletions
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147
uhabits-android/src/main/java/org/isoron/uhabits/tasks/AndroidTaskRunner.java
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@ -1,147 +0,0 @@
/*
* Copyright (C) 2016-2021 Álinson Santos Xavier <git@axavier.org>
*
* This file is part of Loop Habit Tracker.
*
* Loop Habit Tracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* Loop Habit Tracker is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.isoron.uhabits.tasks;
import android.os.*;
import org.isoron.uhabits.core.*;
import org.isoron.uhabits.core.tasks.*;
import org.isoron.uhabits.core.tasks.Task;
import org.jetbrains.annotations.NotNull;
import java.util.*;
import dagger.Module;
import dagger.Provides;
@Module
public class AndroidTaskRunner implements TaskRunner
{
private final LinkedList<CustomAsyncTask> activeTasks;
private final HashMap<Task, CustomAsyncTask> taskToAsyncTask;
private final LinkedList<Listener> listeners;
public AndroidTaskRunner()
{
activeTasks = new LinkedList<>();
taskToAsyncTask = new HashMap<>();
listeners = new LinkedList<>();
}
@Provides
@AppScope
public static TaskRunner provideTaskRunner()
{
return new AndroidTaskRunner();
}
@Override
public void addListener(@NotNull Listener listener)
{
listeners.add(listener);
}
@Override
public void execute(@NotNull Task task)
{
task.onAttached(this);
new CustomAsyncTask(task).execute();
}
@Override
public int getActiveTaskCount()
{
return activeTasks.size();
}
@Override
public void publishProgress(@NotNull Task task, int progress)
{
CustomAsyncTask asyncTask = taskToAsyncTask.get(task);
if (asyncTask == null) return;
asyncTask.publish(progress);
}
@Override
public void removeListener(@NotNull Listener listener)
{
listeners.remove(listener);
}
private class CustomAsyncTask extends AsyncTask<Void, Integer, Void>
{
private final Task task;
private boolean isCancelled = false;
public CustomAsyncTask(Task task)
{
this.task = task;
}
public Task getTask()
{
return task;
}
public void publish(int progress)
{
publishProgress(progress);
}
@Override
protected Void doInBackground(Void... params)
{
if(isCancelled) return null;
task.doInBackground();
return null;
}
@Override
protected void onPostExecute(Void aVoid)
{
if(isCancelled) return;
task.onPostExecute();
activeTasks.remove(this);
taskToAsyncTask.remove(task);
for (Listener l : listeners) l.onTaskFinished(task);
}
@Override
protected void onPreExecute()
{
isCancelled = task.isCanceled();
if(isCancelled) return;
for (Listener l : listeners) l.onTaskStarted(task);
activeTasks.add(this);
taskToAsyncTask.put(task, this);
task.onPreExecute();
}
@Override
protected void onProgressUpdate(Integer... values)
{
task.onProgressUpdate(values[0]);
}
}
}

100
uhabits-android/src/main/java/org/isoron/uhabits/tasks/AndroidTaskRunner.kt
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@ -0,0 +1,100 @@
/*
* Copyright (C) 2016-2021 Álinson Santos Xavier <git@axavier.org>
*
* This file is part of Loop Habit Tracker.
*
* Loop Habit Tracker is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* Loop Habit Tracker is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.isoron.uhabits.tasks
import android.os.AsyncTask
import dagger.Module
import dagger.Provides
import org.isoron.uhabits.core.AppScope
import org.isoron.uhabits.core.tasks.Task
import org.isoron.uhabits.core.tasks.TaskRunner
import java.util.HashMap
import java.util.LinkedList
// TODO: @Module not needed?
@Module
class AndroidTaskRunner : TaskRunner {
private val activeTasks: LinkedList<CustomAsyncTask> = LinkedList()
private val taskToAsyncTask: HashMap<Task, CustomAsyncTask> = HashMap()
private val listeners: LinkedList<TaskRunner.Listener> = LinkedList<TaskRunner.Listener>()
override fun addListener(listener: TaskRunner.Listener) {
listeners.add(listener)
}
override fun execute(task: Task) {
task.onAttached(this)
CustomAsyncTask(task).execute()
}
override val activeTaskCount: Int
get() = activeTasks.size
override fun publishProgress(task: Task, progress: Int) {
val asyncTask = taskToAsyncTask[task] ?: return
asyncTask.publish(progress)
}
override fun removeListener(listener: TaskRunner.Listener) {
listeners.remove(listener)
}
private inner class CustomAsyncTask(val task: Task) : AsyncTask<Void?, Int?, Void?>() {
fun publish(progress: Int) {
publishProgress(progress)
}
override fun doInBackground(vararg params: Void?): Void? {
if (isCancelled) return null
task.doInBackground()
return null
}
override fun onPostExecute(aVoid: Void?) {
if (isCancelled) return
task.onPostExecute()
activeTasks.remove(this)
taskToAsyncTask.remove(task)
for (l in listeners) l.onTaskFinished(task)
}
override fun onPreExecute() {
// isCancelled = task.isCanceled
if (isCancelled) return
for (l in listeners) l.onTaskStarted(task)
activeTasks.add(this)
taskToAsyncTask[task] = this
task.onPreExecute()
}
override fun onProgressUpdate(vararg values: Int?) {
values[0]?.let { task.onProgressUpdate(it) }
}
}
@Module
companion object {
@JvmStatic
@Provides
@AppScope
fun provideTaskRunner(): TaskRunner {
return AndroidTaskRunner()
}
}
}
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