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package de.danoeh.antennapod.activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.asynctask.OpmlFeedQueuer;
import de.danoeh.antennapod.asynctask.OpmlImportWorker;
import de.danoeh.antennapod.core.export.opml.OpmlElement;
import de.danoeh.antennapod.core.preferences.UserPreferences;
import de.danoeh.antennapod.core.util.LangUtils;
import org.apache.commons.lang3.ArrayUtils;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.ArrayList;
/**
* Activity for Opml Import.
* */
public class OpmlImportActivity extends AppCompatActivity {
private static final String TAG = "OpmlImportBaseActivity";
private static final int PERMISSION_REQUEST_READ_EXTERNAL_STORAGE = 5;
@Nullable private Uri uri;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
setTheme(UserPreferences.getTheme());
super.onCreate(savedInstanceState);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Uri uri = getIntent().getData();
if (uri != null && uri.toString().startsWith("/")) {
uri = Uri.parse("file://" + uri.toString());
} else {
String extraText = getIntent().getStringExtra(Intent.EXTRA_TEXT);
if (extraText != null) {
uri = Uri.parse(extraText);
}
}
importUri(uri);
}
/**
* Handles the choices made by the user in the OpmlFeedChooserActivity and
* starts the OpmlFeedQueuer if necessary.
*/
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
Log.d(TAG, "Received result");
if (resultCode == RESULT_CANCELED) {
Log.d(TAG, "Activity was cancelled");
finish();
} else {
int[] selected = data.getIntArrayExtra(OpmlFeedChooserActivity.EXTRA_SELECTED_ITEMS);
if (selected != null && selected.length > 0) {
OpmlFeedQueuer queuer = new OpmlFeedQueuer(this, selected) {
@Override
protected void onPostExecute(Void result) {
super.onPostExecute(result);
Intent intent = new Intent(OpmlImportActivity.this, MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP
| Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
};
queuer.executeAsync();
} else {
Log.d(TAG, "No items were selected");
}
}
}
void importUri(@Nullable Uri uri) {
if (uri == null) {
new AlertDialog.Builder(this)
.setMessage(R.string.opml_import_error_no_file)
.setPositiveButton(android.R.string.ok, null)
.show();
return;
}
this.uri = uri;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
&& uri.toString().contains(Environment.getExternalStorageDirectory().toString())) {
int permission = ActivityCompat.checkSelfPermission(this,
android.Manifest.permission.READ_EXTERNAL_STORAGE);
if (permission != PackageManager.PERMISSION_GRANTED) {
requestPermission();
return;
}
}
startImport();
}
private void requestPermission() {
String[] permissions = { android.Manifest.permission.READ_EXTERNAL_STORAGE };
ActivityCompat.requestPermissions(this, permissions, PERMISSION_REQUEST_READ_EXTERNAL_STORAGE);
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
if (requestCode != PERMISSION_REQUEST_READ_EXTERNAL_STORAGE) {
return;
}
if (grantResults.length > 0 && ArrayUtils.contains(grantResults, PackageManager.PERMISSION_GRANTED)) {
startImport();
} else {
new AlertDialog.Builder(this)
.setMessage(R.string.opml_import_ask_read_permission)
.setPositiveButton(android.R.string.ok, (dialog, which) -> requestPermission())
.setNegativeButton(R.string.cancel_label, (dialog, which) -> finish())
.show();
}
}
/** Starts the import process. */
private void startImport() {
try {
Reader reader = new InputStreamReader(getContentResolver().openInputStream(uri), LangUtils.UTF_8);
OpmlImportWorker importWorker = new OpmlImportWorker(this, reader) {
@Override
protected void onPostExecute(ArrayList<OpmlElement> result) {
super.onPostExecute(result);
if (result != null) {
Log.d(TAG, "Parsing was successful");
OpmlImportHolder.setReadElements(result);
startActivityForResult(new Intent(
OpmlImportActivity.this,
OpmlFeedChooserActivity.class), 0);
} else {
Log.d(TAG, "Parser error occurred");
}
}
};
importWorker.executeAsync();
} catch (Exception e) {
Log.d(TAG, Log.getStackTraceString(e));
String message = getString(R.string.opml_reader_error);
new AlertDialog.Builder(this)
.setMessage(message + " " + e.getMessage())
.setPositiveButton(android.R.string.ok, null)
.show();
}
}
}
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