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/*
* Copyright (C) 2014 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.systemui.settings;
import com.android.systemui.R;
import android.app.ActivityManagerNative;
import android.content.Context;
import android.content.pm.UserInfo;
import android.os.RemoteException;
import android.os.UserManager;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManagerGlobal;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
/**
* A quick and dirty view to show a user switcher.
*/
public class UserSwitcherHostView extends FrameLayout implements ListView.OnItemClickListener {
private static final String TAG = "UserSwitcherDialog";
private ArrayList<UserInfo> mUserInfo = new ArrayList<UserInfo>();
private Adapter mAdapter = new Adapter();
private UserManager mUserManager;
private Runnable mFinishRunnable;
private ListView mListView;
public UserSwitcherHostView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
if (isInEditMode()) {
return;
}
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
}
public UserSwitcherHostView(Context context, AttributeSet attrs) {
this(context, attrs, com.android.internal.R.attr.listViewStyle);
}
public UserSwitcherHostView(Context context) {
this(context, null);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mListView = (ListView) findViewById(android.R.id.list);
mListView.setAdapter(mAdapter);
mListView.setOnItemClickListener(this);
}
@Override
public void onItemClick(AdapterView<?> l, View v, int position, long id) {
int userId = mAdapter.getItem(position).id;
try {
WindowManagerGlobal.getWindowManagerService().lockNow(null);
ActivityManagerNative.getDefault().switchUser(userId);
finish();
} catch (RemoteException e) {
Log.e(TAG, "Couldn't switch user.", e);
}
}
private void finish() {
if (mFinishRunnable != null) {
mFinishRunnable.run();
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) {
finish();
}
return true;
}
@Override
protected void onVisibilityChanged(View changedView, int visibility) {
super.onVisibilityChanged(changedView, visibility);
// A gross hack to get rid of the switcher when the shade is collapsed.
if (visibility != VISIBLE) {
finish();
}
}
public void setFinishRunnable(Runnable finishRunnable) {
mFinishRunnable = finishRunnable;
}
public void refreshUsers() {
mUserInfo.clear();
List<UserInfo> users = mUserManager.getUsers(true);
for (UserInfo user : users) {
if (!user.isManagedProfile()) {
mUserInfo.add(user);
}
}
mAdapter.notifyDataSetChanged();
}
private class Adapter extends BaseAdapter {
@Override
public int getCount() {
return mUserInfo.size();
}
@Override
public UserInfo getItem(int position) {
return mUserInfo.get(position);
}
@Override
public long getItemId(int position) {
return getItem(position).serialNumber;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null || (!(convertView.getTag() instanceof ViewHolder))) {
convertView = createView(parent);
}
ViewHolder h = (ViewHolder) convertView.getTag();
bindView(h, getItem(position));
return convertView;
}
private View createView(ViewGroup parent) {
View v = LayoutInflater.from(getContext()).inflate(
R.layout.user_switcher_item, parent, false);
ViewHolder h = new ViewHolder();
h.name = (TextView) v.findViewById(R.id.user_name);
h.picture = (ImageView) v.findViewById(R.id.user_picture);
v.setTag(h);
return v;
}
private void bindView(ViewHolder h, UserInfo item) {
h.name.setText(item.name);
h.picture.setImageBitmap(mUserManager.getUserIcon(item.id));
}
class ViewHolder {
TextView name;
ImageView picture;
}
}
}
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