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package net.sourceforge.subsonic.androidapp.util;
import net.sourceforge.subsonic.androidapp.activity.SubsonicTabActivity;
/**
* @author Sindre Mehus
* @version $Id$
*/
public abstract class TabActivityBackgroundTask<T> extends BackgroundTask<T> {
private final SubsonicTabActivity tabActivity;
public TabActivityBackgroundTask(SubsonicTabActivity activity) {
super(activity);
tabActivity = activity;
}
@Override
public void execute() {
tabActivity.setProgressVisible(true);
new Thread() {
@Override
public void run() {
try {
final T result = doInBackground();
if (isCancelled()) {
return;
}
getHandler().post(new Runnable() {
@Override
public void run() {
tabActivity.setProgressVisible(false);
done(result);
}
});
} catch (final Throwable t) {
if (isCancelled()) {
return;
}
getHandler().post(new Runnable() {
@Override
public void run() {
tabActivity.setProgressVisible(false);
error(t);
}
});
}
}
}.start();
}
private boolean isCancelled() {
return tabActivity.isDestroyed();
}
@Override
public void updateProgress(final String message) {
getHandler().post(new Runnable() {
@Override
public void run() {
tabActivity.updateProgress(message);
}
});
}
}
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