/*
* 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.settingslib.drawer;
import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.UserInfo;
import android.database.DataSetObserver;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.os.UserHandle;
import android.os.UserManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.SpinnerAdapter;
import android.widget.TextView;
import com.android.internal.util.UserIcons;
import com.android.settingslib.drawable.UserIconDrawable;
import com.android.settingslib.R;
import java.util.ArrayList;
import java.util.List;
/**
* Adapter for a spinner that shows a list of users.
*/
public class UserAdapter implements SpinnerAdapter, ListAdapter {
/** Holder for user details */
public static class UserDetails {
private final UserHandle mUserHandle;
private final String mName;
private final Drawable mIcon;
public UserDetails(UserHandle userHandle, UserManager um, Context context) {
mUserHandle = userHandle;
UserInfo userInfo = um.getUserInfo(mUserHandle.getIdentifier());
Drawable icon;
if (userInfo.isManagedProfile()) {
mName = context.getString(R.string.managed_user_title);
icon = context.getDrawable(
com.android.internal.R.drawable.ic_corp_icon);
} else {
mName = userInfo.name;
final int userId = userInfo.id;
if (um.getUserIcon(userId) != null) {
icon = new BitmapDrawable(context.getResources(), um.getUserIcon(userId));
} else {
icon = UserIcons.getDefaultUserIcon(userId, /* light= */ false);
}
}
this.mIcon = encircle(context, icon);
}
private static Drawable encircle(Context context, Drawable icon) {
return new UserIconDrawable(UserIconDrawable.getSizeForList(context))
.setIconDrawable(icon).bake();
}
}
private ArrayList<UserDetails> data;
private final LayoutInflater mInflater;
public UserAdapter(Context context, ArrayList<UserDetails> users) {
if (users == null) {
throw new IllegalArgumentException("A list of user details must be provided");
}
this.data = users;
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public UserHandle getUserHandle(int position) {
if (position < 0 || position >= data.size()) {
return null;
}
return data.get(position).mUserHandle;
}
@Override
public View getDropDownView(int position, View convertView, ViewGroup parent) {
final View row = convertView != null ? convertView : createUser(parent);
UserDetails user = data.get(position);
((ImageView) row.findViewById(android.R.id.icon)).setImageDrawable(user.mIcon);
((TextView) row.findViewById(android.R.id.title)).setText(getTitle(user));
return row;
}
private int getTitle(UserDetails user) {
int userHandle = user.mUserHandle.getIdentifier();
if (userHandle == UserHandle.USER_CURRENT
|| userHandle == ActivityManager.getCurrentUser()) {
return R.string.category_personal;
} else {
return R.string.category_work;
}
}
private View createUser(ViewGroup parent) {
return mInflater.inflate(R.layout.user_preference, parent, false);
}
@Override
public void registerDataSetObserver(DataSetObserver observer) {
// We don't support observers
}
@Override
public void unregisterDataSetObserver(DataSetObserver observer) {
// We don't support observers
}
@Override
public int getCount() {
return data.size();
}
@Override
public UserDetails getItem(int position) {
return data.get(position);
}
@Override
public long getItemId(int position) {
return data.get(position).mUserHandle.getIdentifier();
}
@Override
public boolean hasStableIds() {
return false;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
return getDropDownView(position, convertView, parent);
}
@Override
public int getItemViewType(int position) {
return 0;
}
@Override
public int getViewTypeCount() {
return 1;
}
@Override
public boolean isEmpty() {
return data.isEmpty();
}
@Override
public boolean areAllItemsEnabled() {
return true;
}
@Override
public boolean isEnabled(int position) {
return true;
}
/**
* Creates a {@link UserAdapter} if there is more than one profile on the device.
*
* <p> The adapter can be used to populate a spinner that switches between the Settings
* app on the different profiles.
*
* @return a {@link UserAdapter} or null if there is only one profile.
*/
public static UserAdapter createUserSpinnerAdapter(UserManager userManager,
Context context) {
List<UserHandle> userProfiles = userManager.getUserProfiles();
if (userProfiles.size() < 2) {
return null;
}
UserHandle myUserHandle = new UserHandle(UserHandle.myUserId());
// The first option should be the current profile
userProfiles.remove(myUserHandle);
userProfiles.add(0, myUserHandle);
return createUserAdapter(userManager, context, userProfiles);
}
public static UserAdapter createUserAdapter(UserManager userManager,
Context context, List<UserHandle> userProfiles) {
ArrayList<UserDetails> userDetails = new ArrayList<UserDetails>(userProfiles.size());
final int count = userProfiles.size();
for (int i = 0; i < count; i++) {
userDetails.add(new UserDetails(userProfiles.get(i), userManager, context));
}
return new UserAdapter(context, userDetails);
}
}