2 * Copyright (C) 2009 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings.vpn;
19 import com.android.settings.R;
20 import com.android.settings.SettingsPreferenceFragment;
22 import android.app.Activity;
23 import android.app.AlertDialog;
24 import android.app.Dialog;
25 import android.content.DialogInterface;
26 import android.content.Intent;
27 import android.net.vpn.L2tpIpsecProfile;
28 import android.net.vpn.L2tpIpsecPskProfile;
29 import android.net.vpn.L2tpProfile;
30 import android.net.vpn.PptpProfile;
31 import android.net.vpn.VpnProfile;
32 import android.os.Bundle;
33 import android.os.Parcel;
34 import android.os.Parcelable;
35 import android.text.TextUtils;
36 import android.util.Log;
37 import android.view.Menu;
38 import android.view.MenuInflater;
39 import android.view.MenuItem;
42 * The activity class for editing a new or existing VPN profile.
44 public class VpnEditor extends SettingsPreferenceFragment {
45 private static final int MENU_SAVE = Menu.FIRST;
46 private static final int MENU_CANCEL = Menu.FIRST + 1;
47 private static final int CONFIRM_DIALOG_ID = 0;
48 private static final String KEY_PROFILE = "profile";
49 private static final String KEY_ORIGINAL_PROFILE_NAME = "orig_profile_name";
51 private VpnProfileEditor mProfileEditor;
52 private boolean mAddingProfile;
53 private byte[] mOriginalProfileData;
56 public void onCreate(Bundle savedInstanceState) {
57 super.onCreate(savedInstanceState);
59 // Loads the XML preferences file
60 addPreferencesFromResource(R.xml.vpn_edit);
64 public void onActivityCreated(Bundle savedInstanceState) {
65 super.onActivityCreated(savedInstanceState);
68 if (savedInstanceState != null) {
69 p = (VpnProfile)savedInstanceState.getParcelable(KEY_PROFILE);
71 p = (VpnProfile)getArguments().getParcelable(VpnSettings.KEY_VPN_PROFILE);
73 p = getActivity().getIntent().getParcelableExtra(VpnSettings.KEY_VPN_PROFILE);
77 mProfileEditor = getEditor(p);
78 mAddingProfile = TextUtils.isEmpty(p.getName());
82 Parcel parcel = Parcel.obtain();
83 p.writeToParcel(parcel, 0);
84 mOriginalProfileData = parcel.marshall();
86 registerForContextMenu(getListView());
87 setHasOptionsMenu(true);
91 public synchronized void onSaveInstanceState(Bundle outState) {
92 if (mProfileEditor == null) return;
94 outState.putParcelable(KEY_PROFILE, getProfile());
98 public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
99 super.onCreateOptionsMenu(menu, inflater);
100 menu.add(0, MENU_SAVE, 0, R.string.vpn_menu_done)
101 .setIcon(android.R.drawable.ic_menu_save);
102 menu.add(0, MENU_CANCEL, 0,
103 mAddingProfile ? R.string.vpn_menu_cancel
104 : R.string.vpn_menu_revert)
105 .setIcon(android.R.drawable.ic_menu_close_clear_cancel);
109 public boolean onOptionsItemSelected(MenuItem item) {
110 switch (item.getItemId()) {
112 if (validateAndSetResult()) finishFragment();
116 if (profileChanged()) {
117 showDialog(CONFIRM_DIALOG_ID);
123 return super.onOptionsItemSelected(item);
128 public boolean onKeyDown(int keyCode, KeyEvent event) {
130 case KeyEvent.KEYCODE_BACK:
131 if (validateAndSetResult()) finish();
134 return super.onKeyDown(keyCode, event);
137 private void initViewFor(VpnProfile profile) {
139 mProfileEditor.loadPreferencesTo(getPreferenceScreen());
142 private void setTitle(VpnProfile profile) {
143 final Activity activity = getActivity();
144 String formatString = mAddingProfile
145 ? activity.getString(R.string.vpn_edit_title_add)
146 : activity.getString(R.string.vpn_edit_title_edit);
147 activity.setTitle(String.format(formatString,
148 profile.getType().getDisplayName()));
152 * Checks the validity of the inputs and set the profile as result if valid.
153 * @return true if the result is successfully set
155 private boolean validateAndSetResult() {
156 String errorMsg = mProfileEditor.validate();
158 if (errorMsg != null) {
159 Util.showErrorMessage(getActivity(), errorMsg);
163 if (profileChanged()) setResult(getProfile());
167 private void setResult(VpnProfile p) {
168 Intent intent = new Intent(getActivity(), VpnSettings.class);
169 intent.putExtra(VpnSettings.KEY_VPN_PROFILE, (Parcelable) p);
170 setResult(Activity.RESULT_OK, intent);
173 private VpnProfileEditor getEditor(VpnProfile p) {
174 switch (p.getType()) {
176 return new L2tpIpsecEditor((L2tpIpsecProfile) p);
179 return new L2tpIpsecPskEditor((L2tpIpsecPskProfile) p);
182 return new L2tpEditor((L2tpProfile) p);
185 return new PptpEditor((PptpProfile) p);
188 return new VpnProfileEditor(p);
194 public Dialog onCreateDialog(int id) {
195 if (id == CONFIRM_DIALOG_ID) {
196 return new AlertDialog.Builder(getActivity())
197 .setTitle(android.R.string.dialog_alert_title)
198 .setIcon(android.R.drawable.ic_dialog_alert)
199 .setMessage(mAddingProfile
200 ? R.string.vpn_confirm_add_profile_cancellation
201 : R.string.vpn_confirm_edit_profile_cancellation)
202 .setPositiveButton(R.string.vpn_yes_button,
203 new DialogInterface.OnClickListener() {
204 public void onClick(DialogInterface dialog, int w) {
208 .setNegativeButton(R.string.vpn_mistake_button, null)
212 return super.onCreateDialog(id);
217 public void onPrepareDialog(int id, Dialog dialog) {
218 super.onPrepareDialog(id, dialog);
220 if (id == CONFIRM_DIALOG_ID) {
221 ((AlertDialog)dialog).setMessage(mAddingProfile
222 ? getString(R.string.vpn_confirm_add_profile_cancellation)
223 : getString(R.string.vpn_confirm_edit_profile_cancellation));
227 private VpnProfile getProfile() {
228 return mProfileEditor.getProfile();
231 private boolean profileChanged() {
232 Parcel newParcel = Parcel.obtain();
233 getProfile().writeToParcel(newParcel, 0);
234 byte[] newData = newParcel.marshall();
235 if (mOriginalProfileData.length == newData.length) {
236 for (int i = 0, n = mOriginalProfileData.length; i < n; i++) {
237 if (mOriginalProfileData[i] != newData[i]) return true;