1 /*
2  * Copyright (C) 2018 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.car.settings.profiles;
18 
19 import android.annotation.UserIdInt;
20 import android.content.Context;
21 import android.content.pm.UserInfo;
22 import android.content.res.Resources;
23 import android.graphics.Bitmap;
24 import android.graphics.drawable.BitmapDrawable;
25 import android.graphics.drawable.Drawable;
26 import android.os.UserHandle;
27 import android.os.UserManager;
28 
29 import com.android.car.admin.ui.UserAvatarView;
30 import com.android.internal.util.UserIcons;
31 
32 /**
33  * Simple class for providing icons for profiles in Settings.
34  */
35 public class ProfileIconProvider {
36     // TODO (b/179802719) define this constant as MenuItem's attribute in 'Chassis' library
37     // Width of managed profile's badge in ratio to profile icon's width
38     private static final float BADGE_WIDTH_TO_ICON_RATIO = 0.09f;
39     private static final float BADGE_PADDING = 1f;
40 
41     /**
42      * Gets a scaled rounded icon for the given profile to use in settings.  If a profile does
43      * not have an icon saved, this method will default to a generic icon and update UserManager to
44      * use that icon.
45      *
46      * @param userInfo User for which the icon is requested.
47      * @param context Context to use for resources
48      * @return {@link Drawable} representing the icon for the user.
49      */
getRoundedProfileIcon(UserInfo userInfo, Context context)50     public Drawable getRoundedProfileIcon(UserInfo userInfo, Context context) {
51         UserManager userManager = UserManager.get(context);
52         Resources res = context.getResources();
53         Bitmap icon = userManager.getUserIcon(userInfo.id);
54 
55         if (icon == null) {
56             icon = assignDefaultIcon(userManager, res, userInfo);
57         }
58 
59         return new BitmapDrawable(res, icon);
60     }
61 
62     /** Returns a scaled, rounded, default icon for the Guest profile */
getRoundedGuestDefaultIcon(Resources resources)63     public Drawable getRoundedGuestDefaultIcon(Resources resources) {
64         Bitmap icon = getGuestProfileDefaultIcon(resources);
65         return new BitmapDrawable(resources, icon);
66     }
67 
68     /**
69      * Assigns a default icon to a profile according to the user's id. Handles Guest icon and
70      * non-guest profile icons.
71      *
72      * @param userManager {@link UserManager} to set user icon
73      * @param resources {@link Resources} to grab icons from
74      * @param userInfo User whose avatar is set to default icon.
75      * @return Bitmap of the profile icon.
76      */
assignDefaultIcon( UserManager userManager, Resources resources, UserInfo userInfo)77     public Bitmap assignDefaultIcon(
78             UserManager userManager, Resources resources, UserInfo userInfo) {
79         Bitmap bitmap = userInfo.isGuest()
80                 ? getGuestProfileDefaultIcon(resources)
81                 : getProfileDefaultIcon(resources, userInfo.id);
82         userManager.setUserIcon(userInfo.id, bitmap);
83         return bitmap;
84     }
85 
86     // TODO (b/179802719): refactor this method into getRoundedUserIcon().
87     /**
88      * Gets badge to profile icon Drawable if the profile is managed.
89      *
90      * @param context to use for the avatar view
91      * @param userInfo User for which the icon is requested and badge is set
92      * @return {@link Drawable} with badge
93      */
getDrawableWithBadge(Context context, UserInfo userInfo)94     public Drawable getDrawableWithBadge(Context context, UserInfo userInfo) {
95         Drawable userIcon = getRoundedProfileIcon(userInfo, context);
96         UserAvatarView userAvatarView = new UserAvatarView(context);
97         userAvatarView.setBadgeDiameter(userIcon.getIntrinsicWidth() * BADGE_WIDTH_TO_ICON_RATIO);
98         userAvatarView.setBadgeMargin(BADGE_PADDING);
99         userAvatarView.setDrawableWithBadge(userIcon, userInfo.id);
100         return (Drawable) userAvatarView.getUserIconDrawable();
101     }
102 
103     /**
104      * Gets a bitmap representing the profile's default avatar.
105      *
106      * @param resources The resources to pull from
107      * @param id The id of the user to get the icon for.  Pass {@link UserHandle#USER_NULL} for
108      *           Guest user.
109      * @return Default profile icon
110      */
getProfileDefaultIcon(Resources resources, @UserIdInt int id)111     private Bitmap getProfileDefaultIcon(Resources resources, @UserIdInt int id) {
112         return UserIcons.convertToBitmap(
113                 UserIcons.getDefaultUserIcon(resources, id, /* light= */ false));
114     }
115 
getGuestProfileDefaultIcon(Resources resources)116     private Bitmap getGuestProfileDefaultIcon(Resources resources) {
117         return getProfileDefaultIcon(resources, UserHandle.USER_NULL);
118     }
119 }
120