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/*
* Copyright (C) 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;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Patterns;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.EditText;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.ui.widget.passwordstrengthindicator.PasswordStrengthView;
import org.sufficientlysecure.keychain.util.ContactHelper;
import java.util.regex.Matcher;
public class CreateKeyInputFragment extends Fragment {
CreateKeyActivity mCreateKeyActivity;
PasswordStrengthView mPassphraseStrengthView;
AutoCompleteTextView mNameEdit;
AutoCompleteTextView mEmailEdit;
EditText mPassphraseEdit;
EditText mPassphraseEditAgain;
View mCreateButton;
public static final String ARG_NAME = "name";
public static final String ARG_EMAIL = "email";
/**
* Creates new instance of this fragment
*/
public static CreateKeyInputFragment newInstance(String name, String email) {
CreateKeyInputFragment frag = new CreateKeyInputFragment();
Bundle args = new Bundle();
args.putString(ARG_NAME, name);
args.putString(ARG_EMAIL, email);
frag.setArguments(args);
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.create_key_input_fragment, container, false);
mPassphraseStrengthView = (PasswordStrengthView) view.findViewById(R.id
.create_key_passphrase_strength);
mNameEdit = (AutoCompleteTextView) view.findViewById(R.id.create_key_name);
mEmailEdit = (AutoCompleteTextView) view.findViewById(R.id.create_key_email);
mPassphraseEdit = (EditText) view.findViewById(R.id.create_key_passphrase);
mPassphraseEditAgain = (EditText) view.findViewById(R.id.create_key_passphrase_again);
mCreateButton = view.findViewById(R.id.create_key_button);
// initial values
String name = getArguments().getString(ARG_NAME);
String email = getArguments().getString(ARG_EMAIL);
mNameEdit.setText(name);
mEmailEdit.setText(email);
// focus non-empty edit fields
if (name != null && email != null) {
mPassphraseEdit.requestFocus();
} else if (name != null) {
mEmailEdit.requestFocus();
}
mEmailEdit.setThreshold(1); // Start working from first character
mEmailEdit.setAdapter(
new ArrayAdapter<>
(getActivity(), android.R.layout.simple_spinner_dropdown_item,
ContactHelper.getPossibleUserEmails(getActivity())
)
);
mEmailEdit.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i2, int i3) {
}
@Override
public void afterTextChanged(Editable editable) {
String email = editable.toString();
if (email.length() > 0) {
Matcher emailMatcher = Patterns.EMAIL_ADDRESS.matcher(email);
if (emailMatcher.matches()) {
mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0,
R.drawable.uid_mail_ok, 0);
} else {
mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0,
R.drawable.uid_mail_bad, 0);
}
} else {
// remove drawable if email is empty
mEmailEdit.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
}
}
});
mNameEdit.setThreshold(1); // Start working from first character
mNameEdit.setAdapter(
new ArrayAdapter<>
(getActivity(), android.R.layout.simple_spinner_dropdown_item,
ContactHelper.getPossibleUserNames(getActivity())
)
);
mPassphraseEdit.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
@Override
public void afterTextChanged(Editable editable) {
String passphrase = editable.toString();
mPassphraseStrengthView.setPassword(passphrase);
}
});
mCreateButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
createKeyCheck();
}
});
return view;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mCreateKeyActivity = (CreateKeyActivity) getActivity();
}
private void createKeyCheck() {
if (isEditTextNotEmpty(getActivity(), mNameEdit)
&& isEditTextNotEmpty(getActivity(), mEmailEdit)
&& isEditTextNotEmpty(getActivity(), mPassphraseEdit)
&& areEditTextsEqual(getActivity(), mPassphraseEdit, mPassphraseEditAgain)) {
CreateKeyFinalFragment frag =
CreateKeyFinalFragment.newInstance(
mNameEdit.getText().toString(),
mEmailEdit.getText().toString(),
mPassphraseEdit.getText().toString()
);
hideKeyboard();
mCreateKeyActivity.loadFragment(null, frag, CreateKeyActivity.FRAG_ACTION_TO_RIGHT);
}
}
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);
}
/**
* Checks if text of given EditText is not empty. If it is empty an error is
* set and the EditText gets the focus.
*
* @param context
* @param editText
* @return true if EditText is not empty
*/
private static boolean isEditTextNotEmpty(Context context, EditText editText) {
boolean output = true;
if (editText.getText().toString().length() == 0) {
editText.setError(context.getString(R.string.create_key_empty));
editText.requestFocus();
output = false;
} else {
editText.setError(null);
}
return output;
}
private static boolean areEditTextsEqual(Context context, EditText editText1, EditText editText2) {
boolean output = true;
if (!editText1.getText().toString().equals(editText2.getText().toString())) {
editText2.setError(context.getString(R.string.create_key_passphrases_not_equal));
editText2.requestFocus();
output = false;
} else {
editText2.setError(null);
}
return output;
}
}
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