153 lines
5.9 KiB
Java
153 lines
5.9 KiB
Java
/*
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* Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui.dialog;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.support.v4.app.DialogFragment;
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import android.support.v4.app.FragmentActivity;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.ArrayAdapter;
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import android.widget.Spinner;
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import org.sufficientlysecure.keychain.Id;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.util.Choice;
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import java.util.ArrayList;
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import java.util.Vector;
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public class CreateKeyDialogFragment extends DialogFragment {
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public interface OnAlgorithmSelectedListener {
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public void onAlgorithmSelected(Choice algorithmChoice, int keySize);
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}
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private static final String ARG_EDITOR_CHILD_COUNT = "child_count";
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private int mNewKeySize;
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private Choice mNewKeyAlgorithmChoice;
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private OnAlgorithmSelectedListener mAlgorithmSelectedListener;
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public void setOnAlgorithmSelectedListener(OnAlgorithmSelectedListener listener) {
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mAlgorithmSelectedListener = listener;
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}
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public static CreateKeyDialogFragment newInstance(int mEditorChildCount) {
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CreateKeyDialogFragment frag = new CreateKeyDialogFragment();
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Bundle args = new Bundle();
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args.putInt(ARG_EDITOR_CHILD_COUNT, mEditorChildCount);
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frag.setArguments(args);
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return frag;
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}
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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final FragmentActivity context = getActivity();
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final LayoutInflater mInflater;
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final int childCount = getArguments().getInt(ARG_EDITOR_CHILD_COUNT);
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mInflater = context.getLayoutInflater();
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AlertDialog.Builder dialog = new AlertDialog.Builder(context);
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View view = mInflater.inflate(R.layout.create_key_dialog, null);
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dialog.setView(view);
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dialog.setTitle(R.string.title_create_key);
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boolean wouldBeMasterKey = (childCount == 0);
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final Spinner algorithm = (Spinner) view.findViewById(R.id.create_key_algorithm);
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ArrayList<Choice> choices = new ArrayList<Choice>();
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choices.add(new Choice(Id.choice.algorithm.dsa, getResources().getString(
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R.string.dsa)));
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if (!wouldBeMasterKey) {
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choices.add(new Choice(Id.choice.algorithm.elgamal, getResources().getString(
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R.string.elgamal)));
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}
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choices.add(new Choice(Id.choice.algorithm.rsa, getResources().getString(
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R.string.rsa)));
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ArrayAdapter<Choice> adapter = new ArrayAdapter<Choice>(context,
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android.R.layout.simple_spinner_item, choices);
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adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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algorithm.setAdapter(adapter);
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// make RSA the default
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for (int i = 0; i < choices.size(); ++i) {
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if (choices.get(i).getId() == Id.choice.algorithm.rsa) {
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algorithm.setSelection(i);
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break;
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}
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}
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final Spinner keySize = (Spinner) view.findViewById(R.id.create_key_size);
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ArrayAdapter<CharSequence> keySizeAdapter = ArrayAdapter.createFromResource(
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context, R.array.key_size_spinner_values,
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android.R.layout.simple_spinner_item);
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keySizeAdapter
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.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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keySize.setAdapter(keySizeAdapter);
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keySize.setSelection(3); // Default to 4096 for the key length
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dialog.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface di, int id) {
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di.dismiss();
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try {
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int nKeyIndex = keySize.getSelectedItemPosition();
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switch (nKeyIndex) {
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case 0:
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mNewKeySize = 512;
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break;
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case 1:
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mNewKeySize = 1024;
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break;
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case 2:
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mNewKeySize = 2048;
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break;
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case 3:
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mNewKeySize = 4096;
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break;
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}
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} catch (NumberFormatException e) {
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mNewKeySize = 0;
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}
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mNewKeyAlgorithmChoice = (Choice) algorithm.getSelectedItem();
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mAlgorithmSelectedListener.onAlgorithmSelected(mNewKeyAlgorithmChoice, mNewKeySize);
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}
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});
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dialog.setCancelable(true);
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dialog.setNegativeButton(android.R.string.cancel,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface di, int id) {
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di.dismiss();
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}
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});
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return dialog.create();
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}
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} |