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.settingslib.spa.gallery.preference
18 
19 import android.os.Bundle
20 import androidx.compose.foundation.layout.Box
21 import androidx.compose.foundation.layout.fillMaxSize
22 import androidx.compose.material.icons.Icons
23 import androidx.compose.material.icons.filled.History
24 import androidx.compose.runtime.Composable
25 import androidx.compose.ui.Alignment
26 import androidx.compose.ui.Modifier
27 import androidx.compose.ui.tooling.preview.Preview
28 import com.android.settingslib.spa.framework.common.SettingsEntry
29 import com.android.settingslib.spa.framework.common.SettingsEntryBuilder
30 import com.android.settingslib.spa.framework.common.SettingsPageProvider
31 import com.android.settingslib.spa.framework.common.createSettingsPage
32 import com.android.settingslib.spa.framework.compose.navigator
33 import com.android.settingslib.spa.framework.theme.SettingsTheme
34 import com.android.settingslib.spa.widget.preference.Preference
35 import com.android.settingslib.spa.widget.preference.PreferenceModel
36 import com.android.settingslib.spa.widget.preference.ZeroStatePreference
37 
38 private const val TITLE = "Sample ZeroStatePreference"
39 
40 object ZeroStatePreferencePageProvider : SettingsPageProvider {
41     override val name = "ZeroStatePreference"
42     private val owner = createSettingsPage()
43 
buildEntrynull44     override fun buildEntry(arguments: Bundle?): List<SettingsEntry> {
45         val entryList = mutableListOf<SettingsEntry>()
46         entryList.add(
47             SettingsEntryBuilder.create("ZeroStatePreference", owner)
48                 .setUiLayoutFn {
49                     SampleZeroStatePreference()
50                 }.build()
51         )
52 
53         return entryList
54     }
55 
56     @Composable
Entrynull57     fun Entry() {
58         Preference(object : PreferenceModel {
59             override val title = TITLE
60             override val onClick = navigator(name)
61         })
62     }
63 
getTitlenull64     override fun getTitle(arguments: Bundle?): String {
65         return TITLE
66     }
67 }
68 
69 @Composable
SampleZeroStatePreferencenull70 private fun SampleZeroStatePreference() {
71     Box(
72         modifier = Modifier.fillMaxSize(),
73         contentAlignment = Alignment.Center
74     ) {
75         ZeroStatePreference(
76             Icons.Filled.History,
77             "No recent search history",
78             "Description"
79         )
80     }
81 }
82 
83 
84 @Preview(showBackground = true)
85 @Composable
SwitchPreferencePagePreviewnull86 private fun SwitchPreferencePagePreview() {
87     SettingsTheme {
88         ZeroStatePreferencePageProvider.Page(null)
89     }
90 }
91