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/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program 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 program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui.dialog;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.provider.OpenableColumns;
import android.support.v4.app.DialogFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.TextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.FileHelper;
import org.sufficientlysecure.keychain.util.Log;
public class FileDialogFragment extends DialogFragment {
private static final String ARG_MESSENGER = "messenger";
private static final String ARG_TITLE = "title";
private static final String ARG_MESSAGE = "message";
private static final String ARG_DEFAULT_FILE = "default_file";
private static final String ARG_CHECKBOX_TEXT = "checkbox_text";
public static final int MESSAGE_OKAY = 1;
public static final String MESSAGE_DATA_URI = "uri";
public static final String MESSAGE_DATA_FILENAME = "filename";
public static final String MESSAGE_DATA_CHECKED = "checked";
private Messenger mMessenger;
private EditText mFilename;
private ImageButton mBrowse;
private CheckBox mCheckBox;
private TextView mMessageTextView;
private String mOutputFilename;
private Uri mOutputUri;
private static final int REQUEST_CODE = 0x00007004;
/**
* Creates new instance of this file dialog fragment
*/
public static FileDialogFragment newInstance(Messenger messenger, String title, String message,
String defaultFile, String checkboxText) {
FileDialogFragment frag = new FileDialogFragment();
Bundle args = new Bundle();
args.putParcelable(ARG_MESSENGER, messenger);
args.putString(ARG_TITLE, title);
args.putString(ARG_MESSAGE, message);
args.putString(ARG_DEFAULT_FILE, defaultFile);
args.putString(ARG_CHECKBOX_TEXT, checkboxText);
frag.setArguments(args);
return frag;
}
/**
* Creates dialog
*/
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Activity activity = getActivity();
mMessenger = getArguments().getParcelable(ARG_MESSENGER);
String title = getArguments().getString(ARG_TITLE);
String message = getArguments().getString(ARG_MESSAGE);
mOutputFilename = getArguments().getString(ARG_DEFAULT_FILE);
String checkboxText = getArguments().getString(ARG_CHECKBOX_TEXT);
LayoutInflater inflater = (LayoutInflater) activity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
CustomAlertDialogBuilder alert = new CustomAlertDialogBuilder(activity);
alert.setTitle(title);
View view = inflater.inflate(R.layout.file_dialog, null);
mMessageTextView = (TextView) view.findViewById(R.id.message);
mMessageTextView.setText(message);
mFilename = (EditText) view.findViewById(R.id.input);
mFilename.setText(mOutputFilename);
mBrowse = (ImageButton) view.findViewById(R.id.btn_browse);
mBrowse.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// only .asc or .gpg files
// setting it to text/plain prevents Cynaogenmod's file manager from selecting asc
// or gpg types!
if (Constants.KITKAT) {
FileHelper.saveDocument(FileDialogFragment.this, mOutputUri, "*/*", REQUEST_CODE);
} else {
FileHelper.openFile(FileDialogFragment.this, mOutputFilename, "*/*", REQUEST_CODE);
}
}
});
mCheckBox = (CheckBox) view.findViewById(R.id.checkbox);
if (checkboxText == null) {
mCheckBox.setEnabled(false);
mCheckBox.setVisibility(View.GONE);
} else {
mCheckBox.setEnabled(true);
mCheckBox.setVisibility(View.VISIBLE);
mCheckBox.setText(checkboxText);
}
alert.setView(view);
alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dismiss();
String currentFilename = mFilename.getText().toString();
if (mOutputFilename == null || !mOutputFilename.equals(currentFilename)) {
mOutputUri = null;
mOutputFilename = mFilename.getText().toString();
}
boolean checked = mCheckBox.isEnabled() && mCheckBox.isChecked();
// return resulting data back to activity
Bundle data = new Bundle();
if (mOutputUri != null) {
data.putParcelable(MESSAGE_DATA_URI, mOutputUri);
}
data.putString(MESSAGE_DATA_FILENAME, mFilename.getText().toString());
data.putBoolean(MESSAGE_DATA_CHECKED, checked);
sendMessageToHandler(MESSAGE_OKAY, data);
}
});
alert.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dismiss();
}
});
return alert.show();
}
/**
* Updates filename in dialog, normally called in onActivityResult in activity using the
* FileDialog
*/
private void setFilename(String filename) {
AlertDialog dialog = (AlertDialog) getDialog();
EditText filenameEditText = (EditText) dialog.findViewById(R.id.input);
if (filenameEditText != null) {
filenameEditText.setText(filename);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode & 0xFFFF) {
case REQUEST_CODE: {
if (resultCode == Activity.RESULT_OK && data != null) {
if (Constants.KITKAT) {
mOutputUri = data.getData();
Cursor cursor = getActivity().getContentResolver().query(mOutputUri, new String[]{OpenableColumns.DISPLAY_NAME}, null, null, null);
if (cursor != null) {
if (cursor.moveToNext()) {
mOutputFilename = cursor.getString(0);
mFilename.setText(mOutputFilename);
}
cursor.close();
}
} else {
try {
String path = data.getData().getPath();
Log.d(Constants.TAG, "path=" + path);
// set filename used in export/import dialogs
setFilename(path);
} catch (NullPointerException e) {
Log.e(Constants.TAG, "Nullpointer while retrieving path!", e);
}
}
}
break;
}
default:
super.onActivityResult(requestCode, resultCode, data);
break;
}
}
/**
* Send message back to handler which is initialized in a activity
*
* @param what Message integer you want to send
*/
private void sendMessageToHandler(Integer what, Bundle data) {
Message msg = Message.obtain();
msg.what = what;
if (data != null) {
msg.setData(data);
}
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.w(Constants.TAG, "Exception sending message, Is handler present?", e);
} catch (NullPointerException e) {
Log.w(Constants.TAG, "Messenger is null!", e);
}
}
}
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