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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.Environment;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import com.afollestad.materialdialogs.MaterialDialog;
import org.apache.commons.lang3.ArrayUtils;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.ArrayList;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.asynctask.OpmlFeedQueuer;
import de.danoeh.antennapod.asynctask.OpmlImportWorker;
import de.danoeh.antennapod.core.opml.OpmlElement;
import de.danoeh.antennapod.core.util.LangUtils;
/**
* Base activity for Opml Import - e.g. with code what to do afterwards
* */
public class OpmlImportBaseActivity extends AppCompatActivity {
private static final String TAG = "OpmlImportBaseActivity";
private OpmlImportWorker importWorker;
private static final int PERMISSION_REQUEST_READ_EXTERNAL_STORAGE = 5;
@Nullable private Uri 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) {
Log.d(TAG, "Received result");
if (resultCode == RESULT_CANCELED) {
Log.d(TAG, "Activity was cancelled");
if (finishWhenCanceled()) {
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(OpmlImportBaseActivity.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");
}
}
}
protected void importUri(@Nullable Uri uri) {
if(uri == null) {
new MaterialDialog.Builder(this)
.content(R.string.opml_import_error_no_file)
.positiveText(android.R.string.ok)
.show();
return;
}
this.uri = uri;
if(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,
String[] permissions,
int[] grantResults) {
if (requestCode != PERMISSION_REQUEST_READ_EXTERNAL_STORAGE) {
return;
}
if (grantResults.length > 0 && ArrayUtils.contains(grantResults, PackageManager.PERMISSION_GRANTED)) {
startImport();
} else {
new MaterialDialog.Builder(this)
.content(R.string.opml_import_ask_read_permission)
.positiveText(android.R.string.ok)
.negativeText(R.string.cancel_label)
.onPositive((dialog, which) -> requestPermission())
.onNegative((dialog, which) -> finish())
.show();
}
}
/** Starts the import process. */
protected void startImport() {
try {
Reader mReader = new InputStreamReader(getContentResolver().openInputStream(uri), LangUtils.UTF_8);
importWorker = new OpmlImportWorker(this, mReader) {
@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(
OpmlImportBaseActivity.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 MaterialDialog.Builder(this)
.content(message + " " + e.getMessage())
.positiveText(android.R.string.ok)
.show();
}
}
protected boolean finishWhenCanceled() {
return false;
}
}
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