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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.users;
import android.app.ActivityManagerNative;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.pm.UserInfo;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.RemoteException;
import android.os.UserHandle;
import android.os.UserManager;
import android.preference.Preference;
import android.preference.PreferenceScreen;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceGroup;
import android.provider.ContactsContract;
import android.provider.ContactsContract.Contacts;
import android.text.InputType;
import android.util.Log;
import android.util.SparseArray;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import com.android.settings.R;
import com.android.settings.SelectableEditTextPreference;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
import com.android.settings.SettingsPreferenceFragment.SettingsDialogFragment;
import java.util.ArrayList;
import java.util.List;
public class UserSettings extends SettingsPreferenceFragment
implements OnPreferenceClickListener, OnClickListener, DialogInterface.OnDismissListener,
Preference.OnPreferenceChangeListener {
private static final String TAG = "UserSettings";
/** UserId of the user being removed */
private static final String SAVE_REMOVING_USER = "removing_user";
/** UserId of the user that was just added */
private static final String SAVE_ADDING_USER = "adding_user";
private static final String KEY_USER_NICKNAME = "user_nickname";
private static final String KEY_USER_LIST = "user_list";
private static final String KEY_USER_ME = "user_me";
private static final int MENU_ADD_USER = Menu.FIRST;
private static final int MENU_REMOVE_USER = Menu.FIRST+1;
private static final int DIALOG_CONFIRM_REMOVE = 1;
private static final int DIALOG_ADD_USER = 2;
private static final int DIALOG_SETUP_USER = 3;
private static final int DIALOG_USER_CANNOT_MANAGE = 4;
private static final int MESSAGE_UPDATE_LIST = 1;
private static final int MESSAGE_SETUP_USER = 2;
private static final String KEY_ADD_USER_LONG_MESSAGE_DISPLAYED =
"key_add_user_long_message_displayed";
private static final int[] USER_DRAWABLES = {
R.drawable.avatar_default_1,
R.drawable.avatar_default_2,
R.drawable.avatar_default_3,
R.drawable.avatar_default_4,
R.drawable.avatar_default_5,
R.drawable.avatar_default_6,
R.drawable.avatar_default_7,
R.drawable.avatar_default_8
};
private PreferenceGroup mUserListCategory;
private Preference mMePreference;
private SelectableEditTextPreference mNicknamePreference;
private int mRemovingUserId = -1;
private int mAddedUserId = 0;
private boolean mAddingUser;
private boolean mProfileExists;
private final Object mUserLock = new Object();
private UserManager mUserManager;
private SparseArray<Drawable> mUserIcons = new SparseArray<Drawable>();
private boolean mIsOwner = UserHandle.myUserId() == UserHandle.USER_OWNER;
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_UPDATE_LIST:
updateUserList();
break;
case MESSAGE_SETUP_USER:
onUserCreated(msg.arg1);
break;
}
}
};
private BroadcastReceiver mUserChangeReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(Intent.ACTION_USER_REMOVED)) {
mRemovingUserId = -1;
} else if (intent.getAction().equals(Intent.ACTION_USER_INFO_CHANGED)) {
int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1);
if (userHandle != -1) {
mUserIcons.remove(userHandle);
}
}
mHandler.sendEmptyMessage(MESSAGE_UPDATE_LIST);
}
};
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
if (icicle != null) {
if (icicle.containsKey(SAVE_ADDING_USER)) {
mAddedUserId = icicle.getInt(SAVE_ADDING_USER);
}
if (icicle.containsKey(SAVE_REMOVING_USER)) {
mRemovingUserId = icicle.getInt(SAVE_REMOVING_USER);
}
}
mUserManager = (UserManager) getActivity().getSystemService(Context.USER_SERVICE);
addPreferencesFromResource(R.xml.user_settings);
mUserListCategory = (PreferenceGroup) findPreference(KEY_USER_LIST);
mMePreference = (Preference) findPreference(KEY_USER_ME);
mMePreference.setOnPreferenceClickListener(this);
if (!mIsOwner) {
mMePreference.setSummary(null);
}
Preference ownerInfo = findPreference("user_owner_info");
if (ownerInfo != null && !mIsOwner) {
ownerInfo.setTitle(R.string.user_info_settings_title);
}
mNicknamePreference = (SelectableEditTextPreference) findPreference(KEY_USER_NICKNAME);
mNicknamePreference.setOnPreferenceChangeListener(this);
mNicknamePreference.getEditText().setInputType(
InputType.TYPE_TEXT_VARIATION_NORMAL | InputType.TYPE_TEXT_FLAG_CAP_WORDS);
mNicknamePreference.setInitialSelectionMode(
SelectableEditTextPreference.SELECTION_SELECT_ALL);
loadProfile();
setHasOptionsMenu(true);
IntentFilter filter = new IntentFilter(Intent.ACTION_USER_REMOVED);
filter.addAction(Intent.ACTION_USER_INFO_CHANGED);
getActivity().registerReceiverAsUser(mUserChangeReceiver, UserHandle.ALL, filter, null,
mHandler);
}
@Override
public void onResume() {
super.onResume();
loadProfile();
updateUserList();
}
@Override
public void onDestroy() {
super.onDestroy();
getActivity().unregisterReceiver(mUserChangeReceiver);
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putInt(SAVE_ADDING_USER, mAddedUserId);
outState.putInt(SAVE_REMOVING_USER, mRemovingUserId);
}
@Override
public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
if (mIsOwner) {
if (UserManager.getMaxSupportedUsers() > mUserManager.getUsers(false).size()) {
MenuItem addUserItem = menu.add(0, MENU_ADD_USER, 0, R.string.user_add_user_menu);
addUserItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM
| MenuItem.SHOW_AS_ACTION_WITH_TEXT);
}
} else {
String nickname = mUserManager.getUserName();
MenuItem removeThisUser = menu.add(0, MENU_REMOVE_USER, 0,
getResources().getString(R.string.user_remove_user_menu, nickname));
removeThisUser.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
}
super.onCreateOptionsMenu(menu, inflater);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
final int itemId = item.getItemId();
if (itemId == MENU_ADD_USER) {
onAddUserClicked();
return true;
} else if (itemId == MENU_REMOVE_USER) {
onRemoveUserClicked(UserHandle.myUserId());
return true;
} else {
return super.onOptionsItemSelected(item);
}
}
private void loadProfile() {
mProfileExists = false;
new AsyncTask<Void, Void, String>() {
@Override
protected void onPostExecute(String result) {
finishLoadProfile(result);
}
@Override
protected String doInBackground(Void... values) {
UserInfo user = mUserManager.getUserInfo(UserHandle.myUserId());
if (user.iconPath == null || user.iconPath.equals("")) {
assignProfilePhoto(user);
}
String profileName = getProfileName();
return profileName;
}
}.execute();
}
private void finishLoadProfile(String profileName) {
mMePreference.setTitle(profileName);
int myUserId = UserHandle.myUserId();
Bitmap b = mUserManager.getUserIcon(myUserId);
if (b != null) {
Drawable d = new BitmapDrawable(b);
mMePreference.setIcon(d);
mUserIcons.put(myUserId, d);
}
}
private void onAddUserClicked() {
synchronized (mUserLock) {
if (mRemovingUserId == -1 && !mAddingUser) {
showDialog(DIALOG_ADD_USER);
}
}
}
private void onRemoveUserClicked(int userId) {
synchronized (mUserLock) {
if (mRemovingUserId == -1 && !mAddingUser) {
mRemovingUserId = userId;
showDialog(DIALOG_CONFIRM_REMOVE);
}
}
}
private void onUserCreated(int userId) {
mAddedUserId = userId;
showDialog(DIALOG_SETUP_USER);
}
@Override
public void onDialogShowing() {
super.onDialogShowing();
setOnDismissListener(this);
}
@Override
public Dialog onCreateDialog(int dialogId) {
switch (dialogId) {
case DIALOG_CONFIRM_REMOVE: {
Dialog dlg = new AlertDialog.Builder(getActivity())
.setTitle(UserHandle.myUserId() == mRemovingUserId
? R.string.user_confirm_remove_self_title
: R.string.user_confirm_remove_title)
.setMessage(UserHandle.myUserId() == mRemovingUserId
? R.string.user_confirm_remove_self_message
: R.string.user_confirm_remove_message)
.setPositiveButton(R.string.user_delete_button,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
removeUserNow();
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
return dlg;
}
case DIALOG_USER_CANNOT_MANAGE:
return new AlertDialog.Builder(getActivity())
.setMessage(R.string.user_cannot_manage_message)
.setPositiveButton(android.R.string.ok, null)
.create();
case DIALOG_ADD_USER: {
final SharedPreferences preferences = getActivity().getPreferences(
Context.MODE_PRIVATE);
final boolean longMessageDisplayed = preferences.getBoolean(
KEY_ADD_USER_LONG_MESSAGE_DISPLAYED, false);
final int messageResId = longMessageDisplayed
? R.string.user_add_user_message_short
: R.string.user_add_user_message_long;
Dialog dlg = new AlertDialog.Builder(getActivity())
.setTitle(R.string.user_add_user_title)
.setMessage(messageResId)
.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
addUserNow();
if (!longMessageDisplayed) {
preferences.edit().putBoolean(KEY_ADD_USER_LONG_MESSAGE_DISPLAYED,
true).commit();
}
}
})
.setNegativeButton(android.R.string.cancel, null)
.create();
return dlg;
}
case DIALOG_SETUP_USER: {
Dialog dlg = new AlertDialog.Builder(getActivity())
.setTitle(R.string.user_setup_dialog_title)
.setMessage(R.string.user_setup_dialog_message)
.setPositiveButton(R.string.user_setup_button_setup_now,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
switchUserNow(mAddedUserId);
}
})
.setNegativeButton(R.string.user_setup_button_setup_later, null)
.create();
return dlg;
}
default:
return null;
}
}
private void removeUserNow() {
if (mRemovingUserId == UserHandle.myUserId()) {
removeThisUser();
} else {
new Thread() {
public void run() {
synchronized (mUserLock) {
mUserManager.removeUser(mRemovingUserId);
mHandler.sendEmptyMessage(MESSAGE_UPDATE_LIST);
}
}
}.start();
}
}
private void removeThisUser() {
try {
ActivityManagerNative.getDefault().switchUser(UserHandle.USER_OWNER);
((UserManager) getActivity().getSystemService(Context.USER_SERVICE))
.removeUser(UserHandle.myUserId());
} catch (RemoteException re) {
Log.e(TAG, "Unable to remove self user");
}
}
private void addUserNow() {
synchronized (mUserLock) {
mAddingUser = true;
updateUserList();
new Thread() {
public void run() {
// Could take a few seconds
UserInfo user = mUserManager.createUser(
getActivity().getResources().getString(R.string.user_new_user_name), 0);
if (user != null) {
assignDefaultPhoto(user);
}
synchronized (mUserLock) {
mAddingUser = false;
mHandler.sendEmptyMessage(MESSAGE_UPDATE_LIST);
mHandler.sendMessage(mHandler.obtainMessage(
MESSAGE_SETUP_USER, user.id, user.serialNumber));
}
}
}.start();
}
}
private void switchUserNow(int userId) {
try {
ActivityManagerNative.getDefault().switchUser(userId);
} catch (RemoteException re) {
// Nothing to do
}
}
private void updateUserList() {
if (getActivity() == null) return;
List<UserInfo> users = mUserManager.getUsers(true);
mUserListCategory.removeAll();
mUserListCategory.setOrderingAsAdded(false);
final ArrayList<Integer> missingIcons = new ArrayList<Integer>();
for (UserInfo user : users) {
Preference pref;
if (user.id == UserHandle.myUserId()) {
pref = mMePreference;
mNicknamePreference.setText(user.name);
mNicknamePreference.setSummary(user.name);
} else {
pref = new UserPreference(getActivity(), null, user.id,
UserHandle.myUserId() == UserHandle.USER_OWNER, this);
pref.setOnPreferenceClickListener(this);
pref.setKey("id=" + user.id);
mUserListCategory.addPreference(pref);
if (user.id == UserHandle.USER_OWNER) {
pref.setSummary(R.string.user_owner);
}
pref.setTitle(user.name);
if (!isInitialized(user)) {
pref.setSummary(R.string.user_summary_not_set_up);
}
}
if (user.iconPath != null) {
if (mUserIcons.get(user.id) == null) {
missingIcons.add(user.id);
pref.setIcon(R.drawable.avatar_default_1);
} else {
setPhotoId(pref, user);
}
}
}
// Add a temporary entry for the user being created
if (mAddingUser) {
Preference pref = new UserPreference(getActivity(), null, UserPreference.USERID_UNKNOWN,
false, null);
pref.setEnabled(false);
pref.setTitle(R.string.user_new_user_name);
pref.setSummary(R.string.user_adding_new_user);
pref.setIcon(R.drawable.avatar_default_1);
mUserListCategory.addPreference(pref);
}
getActivity().invalidateOptionsMenu();
// Load the icons
if (missingIcons.size() > 0) {
loadIconsAsync(missingIcons);
}
}
private void loadIconsAsync(List<Integer> missingIcons) {
final Resources resources = getResources();
new AsyncTask<List<Integer>, Void, Void>() {
@Override
protected void onPostExecute(Void result) {
updateUserList();
}
@Override
protected Void doInBackground(List<Integer>... values) {
for (int userId : values[0]) {
Bitmap bitmap = mUserManager.getUserIcon(userId);
Drawable d = new BitmapDrawable(resources, bitmap);
mUserIcons.append(userId, d);
}
return null;
}
}.execute(missingIcons);
}
private void assignProfilePhoto(final UserInfo user) {
if (!Utils.copyMeProfilePhoto(getActivity(), user)) {
assignDefaultPhoto(user);
}
}
private String getProfileName() {
String name = Utils.getMeProfileName(getActivity(), true);
if (name != null) {
mProfileExists = true;
}
return name;
}
private void assignDefaultPhoto(UserInfo user) {
Bitmap bitmap = BitmapFactory.decodeResource(getResources(),
USER_DRAWABLES[user.id % USER_DRAWABLES.length]);
mUserManager.setUserIcon(user.id, bitmap);
}
private void setPhotoId(Preference pref, UserInfo user) {
Drawable d = mUserIcons.get(user.id); // UserUtils.getUserIcon(mUserManager, user);
if (d != null) {
pref.setIcon(d);
}
}
private void setUserName(String name) {
mUserManager.setUserName(UserHandle.myUserId(), name);
mNicknamePreference.setSummary(name);
getActivity().invalidateOptionsMenu();
}
@Override
public boolean onPreferenceClick(Preference pref) {
if (pref == mMePreference) {
Intent editProfile;
if (!mProfileExists) {
editProfile = new Intent(Intent.ACTION_INSERT, Contacts.CONTENT_URI);
// TODO: Make this a proper API
editProfile.putExtra("newLocalProfile", true);
} else {
editProfile = new Intent(Intent.ACTION_EDIT, ContactsContract.Profile.CONTENT_URI);
}
// To make sure that it returns back here when done
// TODO: Make this a proper API
editProfile.putExtra("finishActivityOnSaveCompleted", true);
startActivity(editProfile);
} else if (pref instanceof UserPreference) {
int userId = ((UserPreference) pref).getUserId();
// Get the latest status of the user
UserInfo user = mUserManager.getUserInfo(userId);
if (UserHandle.myUserId() != UserHandle.USER_OWNER) {
showDialog(DIALOG_USER_CANNOT_MANAGE);
} else {
if (!isInitialized(user)) {
mHandler.sendMessage(mHandler.obtainMessage(
MESSAGE_SETUP_USER, user.id, user.serialNumber));
}
}
}
return false;
}
private boolean isInitialized(UserInfo user) {
return (user.flags & UserInfo.FLAG_INITIALIZED) != 0;
}
@Override
public void onClick(View v) {
if (v.getTag() instanceof UserPreference) {
int userId = ((UserPreference) v.getTag()).getUserId();
onRemoveUserClicked(userId);
}
}
@Override
public void onDismiss(DialogInterface dialog) {
synchronized (mUserLock) {
mAddingUser = false;
mRemovingUserId = -1;
updateUserList();
}
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mNicknamePreference) {
String value = (String) newValue;
if (preference == mNicknamePreference && value != null
&& value.length() > 0) {
setUserName(value);
}
return true;
}
return false;
}
@Override
public int getHelpResource() {
return R.string.help_url_users;
}
}