74 lines
2.0 KiB
Java
74 lines
2.0 KiB
Java
package net.nullsum.audinaut.util;
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import android.app.Activity;
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import android.app.ProgressDialog;
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import android.content.DialogInterface;
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import net.nullsum.audinaut.activity.SubsonicActivity;
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/**
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* @author Sindre Mehus
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* @version $Id$
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*/
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public abstract class LoadingTask<T> extends BackgroundTask<T> {
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private final Activity tabActivity;
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private ProgressDialog loading;
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private final boolean cancellable;
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public LoadingTask(Activity activity) {
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super(activity);
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tabActivity = activity;
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this.cancellable = true;
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}
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public LoadingTask(Activity activity, final boolean cancellable) {
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super(activity);
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tabActivity = activity;
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this.cancellable = cancellable;
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}
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@Override
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public void execute() {
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loading = ProgressDialog.show(tabActivity, "", "Loading. Please Wait...", true, cancellable, new DialogInterface.OnCancelListener() {
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public void onCancel(DialogInterface dialog) {
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cancel();
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}
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});
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queue.offer(task = new Task() {
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@Override
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public void onDone(T result) {
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if(loading.isShowing()) {
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loading.dismiss();
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}
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done(result);
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}
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@Override
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public void onError(Throwable t) {
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if(loading.isShowing()) {
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loading.dismiss();
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}
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error(t);
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}
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});
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}
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@Override
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public boolean isCancelled() {
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return (tabActivity instanceof SubsonicActivity && ((SubsonicActivity) tabActivity).isDestroyedCompat()) || cancelled.get();
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}
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@Override
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public void updateProgress(final String message) {
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if(!cancelled.get()) {
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getHandler().post(new Runnable() {
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@Override
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public void run() {
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loading.setMessage(message);
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}
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});
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}
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}
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}
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