1 /*
2  * Copyright (C) 2024 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.wallpaper.picker.customization.ui.viewmodel
18 
19 import com.android.wallpaper.picker.customization.ui.util.CustomizationOptionUtil
20 import kotlinx.coroutines.flow.Flow
21 
22 interface CustomizationOptionsViewModel {
23 
24     val selectedOption: Flow<CustomizationOptionUtil.CustomizationOption?>
25 
26     /**
27      * Deselect the selected option and return true. If no option is selected, do nothing and return
28      * false.
29      */
deselectOptionnull30     fun deselectOption(): Boolean
31 }
32