/*
* 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.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.support.annotation.NonNull;
import android.support.design.widget.TextInputLayout;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.AlertDialog;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.ui.EncryptFilesFragment;
import org.sufficientlysecure.keychain.util.FileHelper;
import org.sufficientlysecure.keychain.util.Log;
public class AddEditSmartPGPAuthorityDialogFragment extends DialogFragment implements OnEditorActionListener {
private static final String IN_MESSENGER = "in_messenger";
private static final String IN_ACTION = "in_dialog_action";
private static final String IN_POSITION = "in_position";
private static final String IN_ALIAS = "in_authority";
private static final String IN_URI = "in_uri";
public static final String OUT_ACTION = "out_action";
public static final String OUT_ALIAS = "out_alias";
public static final String OUT_POSITION = "out_position";
public static final String OUT_URI = "out_uri";
private Messenger mMessenger;
private Action mAction;
private int mPosition;
private Uri mURI;
private EditText mAuthorityAliasText;
private TextInputLayout mAuthorityAliasTextLayout;
private Button mAuthorityAdd;
public enum Action {
ADD,
EDIT,
DELETE
}
public static AddEditSmartPGPAuthorityDialogFragment newInstance(Messenger messenger,
Action action,
String alias,
Uri uri,
int position) {
AddEditSmartPGPAuthorityDialogFragment frag = new AddEditSmartPGPAuthorityDialogFragment();
Bundle args = new Bundle();
args.putParcelable(IN_MESSENGER, messenger);
args.putSerializable(IN_ACTION, action);
args.putString(IN_ALIAS, alias);
args.putInt(IN_POSITION, position);
if (uri != null) {
args.putString(IN_URI, uri.toString());
}
frag.setArguments(args);
return frag;
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Activity activity = getActivity();
mMessenger = getArguments().getParcelable(IN_MESSENGER);
mAction = (Action) getArguments().getSerializable(IN_ACTION);
mPosition = getArguments().getInt(IN_POSITION);
if (getArguments().getString(IN_URI) == null)
mURI = null;
else
mURI = Uri.parse(getArguments().getString(IN_URI));
CustomAlertDialogBuilder alert = new CustomAlertDialogBuilder(activity);
LayoutInflater inflater = activity.getLayoutInflater();
View view = inflater.inflate(R.layout.add_smartpgp_authority_dialog, null);
alert.setView(view);
mAuthorityAliasText = (EditText) view.findViewById(R.id.smartpgp_authority_alias_edit_text);
mAuthorityAliasTextLayout = (TextInputLayout) view.findViewById(R.id.smartpgp_authority_alias_edit_text_layout);
mAuthorityAdd = (Button) view.findViewById(R.id.smartpgp_authority_filename);
mAuthorityAdd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
FileHelper.openDocument(AddEditSmartPGPAuthorityDialogFragment.this, null, "*/*", false,
EncryptFilesFragment.REQUEST_CODE_INPUT);
}
});
mAuthorityAliasText.setText(getArguments().getString(IN_ALIAS));
switch (mAction) {
case ADD:
alert.setTitle(R.string.add_smartpgp_authority_dialog_title);
break;
case EDIT:
case DELETE:
alert.setTitle(R.string.show_smartpgp_authority_dialog_title);
break;
}
// we don't want dialog to be dismissed on click for keyserver addition or edit,
// thereby requiring the hack seen below and in onStart
alert.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// we need to have an empty listener to prevent errors on some devices as mentioned
// at http://stackoverflow.com/q/13746412/3000919
// actual listener set in onStart for adding keyservers or editing them
dismiss();
}
});
alert.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dismiss();
}
});
switch (mAction) {
case EDIT:
case DELETE:
alert.setNeutralButton(R.string.label_smartpgp_authority_dialog_delete,
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
deleteAuthority();
}
});
break;
}
// Hack to open keyboard.
// This is the only method that I found to work across all Android versions
// http://turbomanage.wordpress.com/2012/05/02/show-soft-keyboard-automatically-when-edittext-receives-focus/
// Notes: * onCreateView can't be used because we want to add buttons to the dialog
// * opening in onActivityCreated does not work on Android 4.4
mAuthorityAliasText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
mAuthorityAliasText.post(new Runnable() {
@Override
public void run() {
InputMethodManager imm = (InputMethodManager) getActivity()
.getSystemService(Context.INPUT_METHOD_SERVICE);
imm.showSoftInput(mAuthorityAliasText, InputMethodManager.SHOW_IMPLICIT);
}
});
}
});
mAuthorityAliasText.requestFocus();
mAuthorityAliasText.setImeActionLabel(getString(android.R.string.ok),
EditorInfo.IME_ACTION_DONE);
mAuthorityAliasText.setOnEditorActionListener(this);
return alert.show();
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case EncryptFilesFragment.REQUEST_CODE_INPUT:
if (data != null) {
mURI = data.getData();
} else {
mURI = null;
}
break;
}
}
@Override
public void onStart() {
super.onStart();
AlertDialog addKeyserverDialog = (AlertDialog) getDialog();
if (addKeyserverDialog != null) {
Button positiveButton = addKeyserverDialog.getButton(Dialog.BUTTON_POSITIVE);
positiveButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mAuthorityAliasTextLayout.setErrorEnabled(false);
dismiss();
// return unverified keyserver back to activity
authorityEdited();
}
});
}
}
public void authorityEdited() {
dismiss();
Bundle data = new Bundle();
data.putSerializable(OUT_ACTION, mAction);
data.putString(OUT_ALIAS, mAuthorityAliasText.getText().toString());
data.putInt(OUT_POSITION, mPosition);
if (mURI != null) {
data.putString(OUT_URI, mURI.toString());
}
sendMessageToHandler(data);
}
public void deleteAuthority() {
dismiss();
Bundle data = new Bundle();
data.putSerializable(OUT_ACTION, Action.DELETE);
data.putString(OUT_ALIAS, mAuthorityAliasText.getText().toString());
data.putInt(OUT_POSITION, mPosition);
sendMessageToHandler(data);
}
@Override
public void onDismiss(DialogInterface dialog) {
// hide keyboard on dismiss
hideKeyboard();
super.onDismiss(dialog);
}
private void hideKeyboard() {
if (getActivity() == null) {
return;
}
InputMethodManager inputManager = (InputMethodManager) getActivity()
.getSystemService(Context.INPUT_METHOD_SERVICE);
//check if no view has focus:
View v = getActivity().getCurrentFocus();
if (v == null)
return;
inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
/**
* Associate the "done" button on the soft keyboard with the okay button in the view
*/
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (EditorInfo.IME_ACTION_DONE == actionId) {
AlertDialog dialog = ((AlertDialog) getDialog());
Button bt = dialog.getButton(AlertDialog.BUTTON_POSITIVE);
bt.performClick();
return true;
}
return false;
}
/**
* Send message back to handler which is initialized in a activity
*
*/
private void sendMessageToHandler(Bundle data) {
Message msg = Message.obtain();
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);
}
}
}