1 /*
2  * Copyright (C) 2023 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 
18 package com.android.wallpaper.picker.common.text.ui.viewmodel
19 
20 import android.content.Context
21 import androidx.annotation.StringRes
22 
23 sealed class Text {
24     data class Resource(
25         @StringRes val res: Int,
26     ) : Text()
27 
28     data class Loaded(
29         val text: String,
30     ) : Text()
31 
asStringnull32     fun asString(context: Context): String {
33         return when (this) {
34             is Resource -> context.getString(res)
35             is Loaded -> text
36         }
37     }
38 
39     companion object {
40         /**
41          * Returns `true` if the given [Text] instances evaluate to the values; `false` otherwise.
42          */
evaluationEqualsnull43         fun evaluationEquals(
44             context: Context,
45             first: Text?,
46             second: Text?,
47         ): Boolean {
48             return first?.asString(context) == second?.asString(context)
49         }
50     }
51 }
52