1 /*
2  * Copyright (C) 2021 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.settingslib.enterprise;
18 
19 import static java.util.Objects.requireNonNull;
20 
21 import android.annotation.UserIdInt;
22 
23 import com.android.internal.util.Preconditions;
24 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
25 
26 /**
27  * Base class for {@link ActionDisabledByAdminController} implementations.
28  */
29 abstract class BaseActionDisabledByAdminController
30         implements ActionDisabledByAdminController {
31 
32     protected @UserIdInt int mEnforcementAdminUserId;
33     protected EnforcedAdmin mEnforcedAdmin;
34     protected ActionDisabledLearnMoreButtonLauncher mLauncher;
35     protected final DeviceAdminStringProvider mStringProvider;
36 
BaseActionDisabledByAdminController(DeviceAdminStringProvider stringProvider)37     BaseActionDisabledByAdminController(DeviceAdminStringProvider stringProvider) {
38         mStringProvider = stringProvider;
39     }
40 
41     @Override
initialize(ActionDisabledLearnMoreButtonLauncher launcher)42     public final void initialize(ActionDisabledLearnMoreButtonLauncher launcher) {
43         mLauncher = requireNonNull(launcher, "launcher cannot be null");
44     }
45 
46     @Override
updateEnforcedAdmin(EnforcedAdmin admin, int adminUserId)47     public final void updateEnforcedAdmin(EnforcedAdmin admin, int adminUserId) {
48         assertInitialized();
49         mEnforcementAdminUserId = adminUserId;
50         mEnforcedAdmin = requireNonNull(admin, "admin cannot be null");
51     }
52 
assertInitialized()53     protected final void assertInitialized() {
54         Preconditions.checkState(mLauncher != null, "must call initialize() first");
55     }
56 }
57