package com.enrico.gallery.galleryapp.utils;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.ContentResolver;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.provider.MediaStore;
import android.support.v4.provider.DocumentFile;
import android.support.v7.app.AlertDialog;
import android.widget.Toast;
import com.enrico.gallery.galleryapp.R;
import java.io.File;
import java.io.IOException;
import static com.enrico.gallery.galleryapp.utils.PermissionUtils.rationaleDialog;
public class DeleteFileUtils {
private static void deleteFileFromMediaStore(final ContentResolver contentResolver, File file) {
String canonicalPath;
try {
canonicalPath = file.getCanonicalPath();
} catch (IOException e) {
canonicalPath = file.getAbsolutePath();
}
final Uri uri = MediaStore.Files.getContentUri("external");
final int result = contentResolver.delete(uri,
MediaStore.Files.FileColumns.DATA + "=?", new String[]{canonicalPath});
if (result == 0) {
final String absolutePath = file.getAbsolutePath();
if (!absolutePath.equals(canonicalPath)) {
contentResolver.delete(uri,
MediaStore.Files.FileColumns.DATA + "=?", new String[]{absolutePath});
}
}
}
private static void deleteFileSAF(String url, final Activity activity) {
if (SDCardUtils.getSDCardUri(activity).isEmpty()) {
PermissionUtils.askSDCardAccess(activity);
} else {
File file = new File(url);
DocumentFile documentFile = DocumentFile.fromTreeUri(activity, Uri.parse(SDCardUtils.getSDCardUri(activity)));
String[] parts = (file.getPath()).split("\\/");
for (int i = 3; i < parts.length; i++) {
if (documentFile != null) {
documentFile = documentFile.findFile(parts[i]);
}
}
if (documentFile == null) {
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(activity, activity.getString(R.string.notFound), Toast.LENGTH_SHORT)
.show();
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
rationaleDialog(activity, activity.getString(R.string.sdcard), activity.getString(R.string.sdcardContent), 2, intent);
}
});
} else {
if (documentFile.delete()) {
deleteFileFromMediaStore(activity.getContentResolver(), file);
}
}
}
}
private static void deleteFile(final String url, final Activity activity) {
final File file = new File(url);
if (file.delete()) {
deleteFileFromMediaStore(activity.getContentResolver(), file);
} else {
deleteFileSAF(url, activity);
}
}
public static void youSureToDelete(final Activity activity, final String url) {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
activity);
alertDialogBuilder.setTitle(activity.getString(R.string.uSure));
alertDialogBuilder
.setMessage(activity.getString(R.string.uSureContent) + url + activity.getString(R.string.questionMark))
.setCancelable(false)
.setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.dismiss();
}
}
)
.setPositiveButton(activity.getString(R.string.delete), new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
execute(activity, url);
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
private static void execute(Activity activity, String url) {
new AsyncDelete(activity, url).execute();
}
private static class AsyncDelete extends AsyncTask<Void, Void, Void> {
Activity activity;
String url;
ProgressDialog progressDialog;
private AsyncDelete(Activity activity, String url) {
this.activity = activity;
this.url = url;
}
protected void onPreExecute() {
progressDialog = new ProgressDialog(activity);
progressDialog.setMessage(activity.getString(R.string.deleting));
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setIndeterminate(true);
progressDialog.setProgressNumberFormat(null);
progressDialog.setProgressPercentFormat(null);
progressDialog.setCancelable(false);
progressDialog.show();
}
@Override
protected Void doInBackground(Void... params) {
deleteFile(url, activity);
return null;
}
@Override
protected void onPostExecute(Void result) {
progressDialog.dismiss();
}
}
}
