PlayerAndroid/app/src/main/java/code/name/monkey/retromusic/misc/UpdateToastMediaScannerCompletionListener.java

/*
 * Copyright (c) 2019 Hemanth Savarala.
 *
 * Licensed under the GNU General Public License v3
 *
 * This 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.
 *
 * This software 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.
 */

package code.name.monkey.retromusic.misc;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.media.MediaScannerConnection;
import android.net.Uri;
import android.widget.Toast;

import java.lang.ref.WeakReference;
import java.util.List;

import code.name.monkey.retromusic.R;

/**
 * @author Karim Abou Zeid (kabouzeid)
 */
public class UpdateToastMediaScannerCompletionListener
        implements MediaScannerConnection.OnScanCompletedListener {

    private final WeakReference<Activity> activityWeakReference;

    private final String couldNotScanFiles;
    private final String scannedFiles;
    private final List<String> toBeScanned;
    private int failed = 0;
    private int scanned = 0;
  private final Toast toast;

    @SuppressLint("ShowToast")
    public UpdateToastMediaScannerCompletionListener(Activity activity, List<String> toBeScanned) {
        this.toBeScanned = toBeScanned;
        scannedFiles = activity.getString(R.string.scanned_files);
        couldNotScanFiles = activity.getString(R.string.could_not_scan_files);
        toast = Toast.makeText(activity.getApplicationContext(), "", Toast.LENGTH_SHORT);
        activityWeakReference = new WeakReference<>(activity);
    }

    @Override
    public void onScanCompleted(final String path, final Uri uri) {
        Activity activity = activityWeakReference.get();
        if (activity != null) {
            activity.runOnUiThread(
                    () -> {
                        if (uri == null) {
                            failed++;
                        } else {
                            scanned++;
                        }
                        String text =
                                " "
                                        + String.format(scannedFiles, scanned, toBeScanned.size())
                                        + (failed > 0 ? " " + String.format(couldNotScanFiles, failed) : "");
                        toast.setText(text);
                        toast.show();
                    });
        }
    }
}