1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 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 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 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. 15 */ 16 17 package com.android.systemui.car.userswitcher; 18 19 import android.annotation.Nullable; 20 import android.annotation.UserIdInt; 21 import android.app.admin.DevicePolicyManager; 22 import android.content.Context; 23 import android.content.pm.UserInfo; 24 import android.content.res.Resources; 25 import android.graphics.Bitmap; 26 import android.graphics.drawable.BitmapDrawable; 27 import android.graphics.drawable.Drawable; 28 import android.os.UserHandle; 29 import android.os.UserManager; 30 31 import androidx.core.graphics.drawable.RoundedBitmapDrawable; 32 import androidx.core.graphics.drawable.RoundedBitmapDrawableFactory; 33 34 import com.android.internal.util.UserIcons; 35 import com.android.settingslib.Utils; 36 import com.android.settingslib.drawable.UserIconDrawable; 37 import com.android.systemui.R; 38 39 /** 40 * Simple class for providing icons for users. 41 */ 42 public class UserIconProvider { 43 /** 44 * Gets a scaled rounded icon for the given user. If a user does not have an icon saved, this 45 * method will default to a generic icon and update UserManager to use that icon. 46 * 47 * @param userInfo User for which the icon is requested. 48 * @param context Context to use for resources 49 * @return {@link RoundedBitmapDrawable} representing the icon for the user. 50 */ getRoundedUserIcon(UserInfo userInfo, Context context)51 public Drawable getRoundedUserIcon(UserInfo userInfo, Context context) { 52 UserManager userManager = UserManager.get(context); 53 Resources res = context.getResources(); 54 Bitmap icon = userManager.getUserIcon(userInfo.id); 55 56 if (icon == null) { 57 icon = assignDefaultIcon(userManager, res, userInfo); 58 } 59 60 return new BitmapDrawable(res, icon); 61 } 62 63 /** Returns a scaled, rounded, default icon for the Guest user */ getRoundedGuestDefaultIcon(Resources resources)64 public Drawable getRoundedGuestDefaultIcon(Resources resources) { 65 Bitmap icon = getGuestUserDefaultIcon(resources); 66 return new BitmapDrawable(resources, icon); 67 } 68 69 /** 70 * Returns a {@link Drawable} for the given {@code icon} scaled to the appropriate size. 71 */ scaleUserIcon(Resources res, Bitmap icon)72 private static BitmapDrawable scaleUserIcon(Resources res, Bitmap icon) { 73 int desiredSize = res.getDimensionPixelSize(R.dimen.car_primary_icon_size); 74 Bitmap scaledIcon = 75 Bitmap.createScaledBitmap(icon, desiredSize, desiredSize, /*filter=*/ true); 76 return new BitmapDrawable(res, scaledIcon); 77 } 78 79 /** 80 * Assigns a default icon to a user according to the user's id. Handles Guest icon and non-guest 81 * user icons. 82 * 83 * @param userManager {@link UserManager} to set user icon 84 * @param resources {@link Resources} to grab icons from 85 * @param userInfo User whose avatar is set to default icon. 86 * @return Bitmap of the user icon. 87 */ assignDefaultIcon( UserManager userManager, Resources resources, UserInfo userInfo)88 public Bitmap assignDefaultIcon( 89 UserManager userManager, Resources resources, UserInfo userInfo) { 90 Bitmap bitmap = userInfo.isGuest() 91 ? getGuestUserDefaultIcon(resources) 92 : getUserDefaultIcon(resources, userInfo.id); 93 userManager.setUserIcon(userInfo.id, bitmap); 94 return bitmap; 95 } 96 97 /** 98 * Gets a bitmap representing the user's default avatar. 99 * 100 * @param resources The resources to pull from 101 * @param id The id of the user to get the icon for. Pass {@link UserHandle#USER_NULL} for 102 * Guest user. 103 * @return Default user icon 104 */ getUserDefaultIcon(Resources resources, @UserIdInt int id)105 private Bitmap getUserDefaultIcon(Resources resources, @UserIdInt int id) { 106 return UserIcons.convertToBitmap( 107 UserIcons.getDefaultUserIcon(resources, id, /* light= */ false)); 108 } 109 getGuestUserDefaultIcon(Resources resources)110 private Bitmap getGuestUserDefaultIcon(Resources resources) { 111 return getUserDefaultIcon(resources, UserHandle.USER_NULL); 112 } 113 } 114