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package de.danoeh.antennapod.fragment.preferences;
import android.Manifest;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.FileProvider;
import android.support.v7.app.AlertDialog;
import android.support.v7.preference.PreferenceFragmentCompat;
import android.util.Log;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.DirectoryChooserActivity;
import de.danoeh.antennapod.activity.ImportExportActivity;
import de.danoeh.antennapod.activity.OpmlImportFromPathActivity;
import de.danoeh.antennapod.asynctask.ExportWorker;
import de.danoeh.antennapod.core.export.ExportWriter;
import de.danoeh.antennapod.core.export.html.HtmlWriter;
import de.danoeh.antennapod.core.export.opml.OpmlWriter;
import de.danoeh.antennapod.core.preferences.UserPreferences;
import de.danoeh.antennapod.dialog.ChooseDataFolderDialog;
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
import java.io.File;
import java.util.List;
public class StoragePreferencesFragment extends PreferenceFragmentCompat {
private static final String TAG = "StoragePrefFragment";
private static final String PREF_OPML_EXPORT = "prefOpmlExport";
private static final String PREF_OPML_IMPORT = "prefOpmlImport";
private static final String PREF_HTML_EXPORT = "prefHtmlExport";
private static final String IMPORT_EXPORT = "importExport";
private static final String PREF_CHOOSE_DATA_DIR = "prefChooseDataDir";
private static final String[] EXTERNAL_STORAGE_PERMISSIONS = {
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE };
private static final int PERMISSION_REQUEST_EXTERNAL_STORAGE = 41;
private Disposable disposable;
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
addPreferencesFromResource(R.xml.preferences_storage);
setupStorageScreen();
}
@Override
public void onResume() {
super.onResume();
setDataFolderText();
}
private void setupStorageScreen() {
final Activity activity = getActivity();
findPreference(IMPORT_EXPORT).setOnPreferenceClickListener(
preference -> {
activity.startActivity(new Intent(activity, ImportExportActivity.class));
return true;
}
);
findPreference(PREF_OPML_EXPORT).setOnPreferenceClickListener(
preference -> export(new OpmlWriter()));
findPreference(PREF_HTML_EXPORT).setOnPreferenceClickListener(
preference -> export(new HtmlWriter()));
findPreference(PREF_OPML_IMPORT).setOnPreferenceClickListener(
preference -> {
activity.startActivity(new Intent(activity, OpmlImportFromPathActivity.class));
return true;
});
findPreference(PREF_CHOOSE_DATA_DIR).setOnPreferenceClickListener(
preference -> {
if (Build.VERSION_CODES.KITKAT <= Build.VERSION.SDK_INT &&
Build.VERSION.SDK_INT <= Build.VERSION_CODES.LOLLIPOP_MR1) {
showChooseDataFolderDialog();
} else {
int readPermission = ActivityCompat.checkSelfPermission(
activity, Manifest.permission.READ_EXTERNAL_STORAGE);
int writePermission = ActivityCompat.checkSelfPermission(
activity, Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (readPermission == PackageManager.PERMISSION_GRANTED &&
writePermission == PackageManager.PERMISSION_GRANTED) {
openDirectoryChooser();
} else {
requestPermission();
}
}
return true;
}
);
findPreference(PREF_CHOOSE_DATA_DIR)
.setOnPreferenceClickListener(
preference -> {
if (Build.VERSION.SDK_INT >= 19) {
showChooseDataFolderDialog();
} else {
Intent intent = new Intent(activity, DirectoryChooserActivity.class);
activity.startActivityForResult(intent,
DirectoryChooserActivity.RESULT_CODE_DIR_SELECTED);
}
return true;
}
);
findPreference(UserPreferences.PREF_IMAGE_CACHE_SIZE).setOnPreferenceChangeListener(
(preference, o) -> {
if (o instanceof String) {
int newValue = Integer.parseInt((String) o) * 1024 * 1024;
if (newValue != UserPreferences.getImageCacheSize()) {
AlertDialog.Builder dialog = new AlertDialog.Builder(getActivity());
dialog.setTitle(android.R.string.dialog_alert_title);
dialog.setMessage(R.string.pref_restart_required);
dialog.setPositiveButton(android.R.string.ok, null);
dialog.show();
}
return true;
}
return false;
}
);
}
private boolean export(ExportWriter exportWriter) {
Context context = getActivity();
final ProgressDialog progressDialog = new ProgressDialog(context);
progressDialog.setMessage(context.getString(R.string.exporting_label));
progressDialog.setIndeterminate(true);
progressDialog.show();
final AlertDialog.Builder alert = new AlertDialog.Builder(context)
.setNeutralButton(android.R.string.ok, (dialog, which) -> dialog.dismiss());
Observable<File> observable = new ExportWorker(exportWriter).exportObservable();
disposable = observable.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(output -> {
alert.setTitle(R.string.export_success_title);
String message = context.getString(R.string.export_success_sum, output.toString());
alert.setMessage(message);
alert.setPositiveButton(R.string.send_label, (dialog, which) -> {
Uri fileUri = FileProvider.getUriForFile(context.getApplicationContext(),
context.getString(R.string.provider_authority), output);
Intent sendIntent = new Intent(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_SUBJECT,
context.getResources().getText(R.string.opml_export_label));
sendIntent.putExtra(Intent.EXTRA_STREAM, fileUri);
sendIntent.setType("text/plain");
sendIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) {
List<ResolveInfo> resInfoList = context.getPackageManager().queryIntentActivities(sendIntent, PackageManager.MATCH_DEFAULT_ONLY);
for (ResolveInfo resolveInfo : resInfoList) {
String packageName = resolveInfo.activityInfo.packageName;
context.grantUriPermission(packageName, fileUri, Intent.FLAG_GRANT_READ_URI_PERMISSION);
}
}
context.startActivity(Intent.createChooser(sendIntent,
context.getResources().getText(R.string.send_label)));
});
alert.create().show();
}, error -> {
alert.setTitle(R.string.export_error_label);
alert.setMessage(error.getMessage());
alert.show();
}, progressDialog::dismiss);
return true;
}
public void unsubscribeExportSubscription() {
if (disposable != null) {
disposable.dispose();
}
}
@SuppressLint("NewApi")
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == Activity.RESULT_OK &&
requestCode == DirectoryChooserActivity.RESULT_CODE_DIR_SELECTED) {
String dir = data.getStringExtra(DirectoryChooserActivity.RESULT_SELECTED_DIR);
File path;
if(dir != null) {
path = new File(dir);
} else {
path = getActivity().getExternalFilesDir(null);
}
String message = null;
final Context context= getActivity().getApplicationContext();
if(!path.exists()) {
message = String.format(context.getString(R.string.folder_does_not_exist_error), dir);
} else if(!path.canRead()) {
message = String.format(context.getString(R.string.folder_not_readable_error), dir);
} else if(!path.canWrite()) {
message = String.format(context.getString(R.string.folder_not_writable_error), dir);
}
if(message == null) {
Log.d(TAG, "Setting data folder: " + dir);
UserPreferences.setDataFolder(dir);
setDataFolderText();
} else {
AlertDialog.Builder ab = new AlertDialog.Builder(getActivity());
ab.setMessage(message);
ab.setPositiveButton(android.R.string.ok, null);
ab.show();
}
}
}
private void setDataFolderText() {
File f = UserPreferences.getDataFolder(null);
if (f != null) {
findPreference(PREF_CHOOSE_DATA_DIR)
.setSummary(f.getAbsolutePath());
}
}
private void requestPermission() {
ActivityCompat.requestPermissions(getActivity(), EXTERNAL_STORAGE_PERMISSIONS,
PERMISSION_REQUEST_EXTERNAL_STORAGE);
}
private void openDirectoryChooser() {
Activity activity = getActivity();
Intent intent = new Intent(activity, DirectoryChooserActivity.class);
activity.startActivityForResult(intent, DirectoryChooserActivity.RESULT_CODE_DIR_SELECTED);
}
private void showChooseDataFolderDialog() {
ChooseDataFolderDialog.showDialog(
getActivity(), new ChooseDataFolderDialog.RunnableWithString() {
@Override
public void run(final String folder) {
UserPreferences.setDataFolder(folder);
setDataFolderText();
}
});
}
}
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