1 /*
2  * Copyright (C) 2016 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.settings;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 
22 /**
23  * Helper for handling managed passwords in security settings UI.
24  * It provides resources that should be shown in settings UI when lock password quality is set to
25  * {@link android.app.admin.DevicePolicyManager#PASSWORD_QUALITY_MANAGED} and hooks for implementing
26  * an option for setting the password quality to
27  * {@link android.app.admin.DevicePolicyManager#PASSWORD_QUALITY_MANAGED}.
28  */
29 public class ManagedLockPasswordProvider {
30     /** Factory method to make it easier to inject extended ManagedLockPasswordProviders. */
get(Context context, int userId)31     static ManagedLockPasswordProvider get(Context context, int userId) {
32         return new ManagedLockPasswordProvider();
33     }
34 
ManagedLockPasswordProvider()35     protected ManagedLockPasswordProvider() {}
36 
37     /**
38      * Whether choosing/setting a managed lock password is supported for the user.
39      * Please update {@link #getPickerOptionTitle(boolean)} if overridden to return true.
40      */
isSettingManagedPasswordSupported()41     boolean isSettingManagedPasswordSupported() { return false; }
42 
43     /**
44      * Whether the user should be able to choose managed lock password.
45      */
isManagedPasswordChoosable()46     boolean isManagedPasswordChoosable() { return false; }
47 
48     /**
49      * Returns title for managed password preference in security (lock) setting picker.
50      * Should be overridden if {@link #isManagedPasswordSupported()} returns true.
51      * @param forFingerprint Whether fingerprint unlock is enabled.
52      */
getPickerOptionTitle(boolean forFingerprint)53     String getPickerOptionTitle(boolean forFingerprint) { return ""; }
54 
55     /**
56      * Gets resource id of the lock screen preference that should be displayed in security settings
57      * if the current password quality is set to
58      * {@link android.app.admin.DevicePolicyManager#PASSWORD_QUALITY_MANAGED}.
59      * @param forProfile Whether the settings are shown for a user profile rather than a user.
60      */
getResIdForLockUnlockScreen(boolean forProfile)61     int getResIdForLockUnlockScreen(boolean forProfile) {
62         return forProfile ? R.xml.security_settings_password_profile
63                 : R.xml.security_settings_password;
64     }
65 
66     /**
67      * Gets resource id of the subscreen that should be shown after clicking gear icon for lock
68      * screen preference in security settings if the current password quality is set to
69      * {@link android.app.admin.DevicePolicyManager#PASSWORD_QUALITY_MANAGED}.
70      */
getResIdForLockUnlockSubScreen()71     int getResIdForLockUnlockSubScreen() {
72         return R.xml.security_settings_password_sub;
73     }
74 
75     /**
76      * Creates intent that should be launched when user chooses managed password in the lock
77      * settings picker.
78      * @param requirePasswordToDecrypt Whether a password is needed to decrypt the user.
79      * @param password Current lock password.
80      * @return Intent that should update lock password to a managed password.
81      */
createIntent(boolean requirePasswordToDecrypt, String password)82     Intent createIntent(boolean requirePasswordToDecrypt, String password) {
83         return null;
84     }
85 }
86