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Code Issues Releases Wiki Activity

Simplify simple task

This commit is contained in:
M66B 2019-04-19 16:49:32 +02:00
parent f4335f5a90
commit 3e1ac2bef9
1 changed files with 24 additions and 67 deletions
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91
app/src/main/java/eu/faircode/email/SimpleTask.java
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@ -42,12 +42,7 @@ import java.util.concurrent.Executors;
//
public abstract class SimpleTask<T> implements LifecycleObserver {
private LifecycleOwner owner;
private boolean paused;
private boolean destroyed;
private Bundle args;
private String name;
private Result stored;
private Handler handler = new Handler();
private static ExecutorService executor = Executors.newFixedThreadPool(
Runtime.getRuntime().availableProcessors(), Helper.backgroundThreadFactory);
@ -72,57 +67,19 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
}
}
@OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
public void onResume() {
Log.i("Resume task " + this);
paused = false;
if (stored != null) {
Log.i("Deferred delivery task " + this);
deliver(args, stored);
stored = null;
}
}
@OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
public void onPause() {
Log.i("Pause task " + this);
paused = true;
}
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroyed() {
Log.i("Destroy task " + this);
owner.getLifecycle().removeObserver(this);
owner = null;
destroyed = true;
args = null;
stored = null;
}
private void run(final Context context, LifecycleOwner owner, final Bundle args, String name) {
this.owner = owner;
this.paused = false;
this.destroyed = false;
this.args = null;
this.name = name;
this.stored = null;
owner.getLifecycle().addObserver(this);
private void run(final Context context, final LifecycleOwner owner, final Bundle args, final String name) {
try {
onPreExecute(args);
} catch (Throwable ex) {
Log.e(ex);
}
final Handler handler = new Handler();
// Run in background thread
executor.submit(new Runnable() {
private Result result = new Result();
@Override
public void run() {
final Result result = new Result();
try {
result.data = onExecute(context, args);
} catch (Throwable ex) {
@ -134,25 +91,32 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
handler.post(new Runnable() {
@Override
public void run() {
deliver(args, result);
Lifecycle.State state = owner.getLifecycle().getCurrentState();
if (state.isAtLeast(Lifecycle.State.RESUMED)) {
Log.i("Deliver task " + name);
deliver(result, args);
} else if (!state.equals(Lifecycle.State.DESTROYED))
owner.getLifecycle().addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
public void onResume() {
deliver(result, args);
Log.i("Resume task " + name);
owner.getLifecycle().removeObserver(this);
}
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroyed() {
Log.i("Destroy task " + name);
owner.getLifecycle().removeObserver(this);
}
});
}
});
}
});
}
private void deliver(Bundle args, Result result) {
if (destroyed)
return;
if (paused) {
Log.i("Deferring delivery task " + this);
this.args = args;
this.stored = result;
return;
}
Log.i("Delivery task " + this);
private void deliver(Result result, Bundle args) {
try {
onPostExecute(args);
} catch (Throwable ex) {
@ -166,7 +130,6 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
} catch (Throwable ex) {
Log.e(ex);
}
onDestroyed();
}
}
@ -187,10 +150,4 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
Throwable ex;
Object data;
}
@NonNull
@Override
public String toString() {
return (name == null ? super.toString() : name);
}
}