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 package com.android.settings.spa.app.appcompat
18 
19 import android.content.Context
20 import android.content.pm.ApplicationInfo
21 import androidx.compose.runtime.Composable
22 import androidx.compose.runtime.getValue
23 import androidx.compose.runtime.remember
24 import androidx.compose.ui.platform.LocalContext
25 import androidx.compose.ui.res.stringResource
26 import androidx.lifecycle.compose.collectAsStateWithLifecycle
27 import com.android.settings.R
28 import com.android.settings.applications.appcompat.UserAspectRatioDetails
29 import com.android.settings.applications.appcompat.UserAspectRatioManager
30 import com.android.settings.applications.appinfo.AppInfoDashboardFragment
31 import com.android.settings.spa.app.appinfo.AppInfoSettingsProvider
32 import com.android.settingslib.spa.widget.preference.Preference
33 import com.android.settingslib.spa.widget.preference.PreferenceModel
34 import kotlinx.coroutines.Dispatchers
35 import kotlinx.coroutines.flow.flow
36 import kotlinx.coroutines.flow.flowOn
37 
38 @Composable
UserAspectRatioAppPreferencenull39 fun UserAspectRatioAppPreference(app: ApplicationInfo) {
40     val context = LocalContext.current
41     val presenter = remember { UserAspectRatioAppPresenter(context, app) }
42     if (!presenter.isAvailableFlow.collectAsStateWithLifecycle(initialValue = false).value) return
43 
44     val summary by presenter.summaryFlow.collectAsStateWithLifecycle(
45         initialValue = stringResource(R.string.summary_placeholder),
46     )
47     Preference(object : PreferenceModel {
48         override val title = stringResource(R.string.aspect_ratio_experimental_title)
49         override val summary = { summary }
50         override val onClick = presenter::startActivity
51     })
52 }
53 
54 class UserAspectRatioAppPresenter(
55     private val context: Context,
56     private val app: ApplicationInfo,
57 ) {
58     private val manager = UserAspectRatioManager(context)
59 
<lambda>null60     val isAvailableFlow = flow {
61         emit(UserAspectRatioManager.isFeatureEnabled(context)
62                 && manager.canDisplayAspectRatioUi(app))
63     }.flowOn(Dispatchers.IO)
64 
startActivitynull65     fun startActivity() =
66         navigateToAppAspectRatioSettings(context, app, AppInfoSettingsProvider.METRICS_CATEGORY)
67 
68     val summaryFlow = flow {
69         emit(manager.getUserMinAspectRatioEntry(app.packageName, context.userId))
70     }.flowOn(Dispatchers.IO)
71 }
72 
navigateToAppAspectRatioSettingsnull73 fun navigateToAppAspectRatioSettings(context: Context, app: ApplicationInfo, metricsCategory: Int) {
74     AppInfoDashboardFragment.startAppInfoFragment(
75         UserAspectRatioDetails::class.java,
76         app,
77         context,
78         metricsCategory,
79     )
80 }
81