1 /*
2  * Copyright (C) 2022 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.permissioncontroller.safetycenter.ui
18 
19 import android.os.Build
20 import android.os.Bundle
21 import androidx.annotation.RequiresApi
22 
23 @RequiresApi(Build.VERSION_CODES.TIRAMISU)
24 internal class CollapsableGroupCardHelper {
25 
26     private val expandedGroups = mutableSetOf<CharSequence>()
27 
28     private companion object {
29         private const val EXPANDED_ENTRY_GROUPS_SAVED_INSTANCE_STATE_KEY =
30             "expanded_entry_groups_saved_instance_state_key"
31     }
32 
restoreStatenull33     fun restoreState(state: Bundle?) {
34         state?.getCharSequenceArray(EXPANDED_ENTRY_GROUPS_SAVED_INSTANCE_STATE_KEY)?.let {
35             expandedGroups.clear()
36             expandedGroups.addAll(it)
37         }
38     }
39 
saveStatenull40     fun saveState(outState: Bundle) {
41         outState.putCharSequenceArray(
42             EXPANDED_ENTRY_GROUPS_SAVED_INSTANCE_STATE_KEY,
43             expandedGroups.toTypedArray()
44         )
45     }
46 
onGroupCollapsednull47     fun onGroupCollapsed(groupId: String) {
48         expandedGroups.remove(groupId)
49     }
50 
onGroupExpandednull51     fun onGroupExpanded(groupId: String) {
52         expandedGroups.add(groupId)
53     }
54 
isGroupExpandednull55     fun isGroupExpanded(groupId: CharSequence): Boolean = expandedGroups.contains(groupId)
56 }
57