| /* |
| * Copyright (C) 2020 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.car.userswitcher; |
| |
| import android.annotation.UserIdInt; |
| import android.content.Context; |
| import android.content.pm.UserInfo; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| |
| import androidx.core.graphics.drawable.RoundedBitmapDrawable; |
| import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory; |
| |
| import com.android.internal.util.UserIcons; |
| import com.android.systemui.R; |
| |
| /** |
| * Simple class for providing icons for users. |
| */ |
| public class UserIconProvider { |
| /** |
| * Gets a scaled rounded icon for the given user. If a user does not have an icon saved, this |
| * method will default to a generic icon and update UserManager to use that icon. |
| * |
| * @param userInfo User for which the icon is requested. |
| * @param context Context to use for resources |
| * @return {@link RoundedBitmapDrawable} representing the icon for the user. |
| */ |
| public RoundedBitmapDrawable getRoundedUserIcon(UserInfo userInfo, Context context) { |
| UserManager userManager = UserManager.get(context); |
| Resources res = context.getResources(); |
| Bitmap icon = userManager.getUserIcon(userInfo.id); |
| |
| if (icon == null) { |
| icon = assignDefaultIcon(userManager, res, userInfo); |
| } |
| |
| return createScaledRoundIcon(res, icon); |
| } |
| |
| /** Returns a scaled, rounded, default icon for the Guest user */ |
| public RoundedBitmapDrawable getRoundedGuestDefaultIcon(Resources resources) { |
| return createScaledRoundIcon(resources, getGuestUserDefaultIcon(resources)); |
| } |
| |
| private RoundedBitmapDrawable createScaledRoundIcon(Resources resources, Bitmap icon) { |
| BitmapDrawable scaledIcon = scaleUserIcon(resources, icon); |
| RoundedBitmapDrawable circleIcon = |
| RoundedBitmapDrawableFactory.create(resources, scaledIcon.getBitmap()); |
| circleIcon.setCircular(true); |
| return circleIcon; |
| } |
| |
| /** |
| * Returns a {@link Drawable} for the given {@code icon} scaled to the appropriate size. |
| */ |
| private static BitmapDrawable scaleUserIcon(Resources res, Bitmap icon) { |
| int desiredSize = res.getDimensionPixelSize(R.dimen.car_primary_icon_size); |
| Bitmap scaledIcon = |
| Bitmap.createScaledBitmap(icon, desiredSize, desiredSize, /*filter=*/ true); |
| return new BitmapDrawable(res, scaledIcon); |
| } |
| |
| /** |
| * Assigns a default icon to a user according to the user's id. Handles Guest icon and non-guest |
| * user icons. |
| * |
| * @param userManager {@link UserManager} to set user icon |
| * @param resources {@link Resources} to grab icons from |
| * @param userInfo User whose avatar is set to default icon. |
| * @return Bitmap of the user icon. |
| */ |
| public Bitmap assignDefaultIcon( |
| UserManager userManager, Resources resources, UserInfo userInfo) { |
| Bitmap bitmap = userInfo.isGuest() |
| ? getGuestUserDefaultIcon(resources) |
| : getUserDefaultIcon(resources, userInfo.id); |
| userManager.setUserIcon(userInfo.id, bitmap); |
| return bitmap; |
| } |
| |
| /** |
| * Gets a bitmap representing the user's default avatar. |
| * |
| * @param resources The resources to pull from |
| * @param id The id of the user to get the icon for. Pass {@link UserHandle#USER_NULL} for |
| * Guest user. |
| * @return Default user icon |
| */ |
| private Bitmap getUserDefaultIcon(Resources resources, @UserIdInt int id) { |
| return UserIcons.convertToBitmap( |
| UserIcons.getDefaultUserIcon(resources, id, /* light= */ false)); |
| } |
| |
| private Bitmap getGuestUserDefaultIcon(Resources resources) { |
| return getUserDefaultIcon(resources, UserHandle.USER_NULL); |
| } |
| } |