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.settings.spa.app.appinfo
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.appinfo.AppInfoDashboardFragment
29 import com.android.settings.applications.intentpicker.AppLaunchSettings
30 import com.android.settings.applications.intentpicker.IntentPickerUtils
31 import com.android.settingslib.applications.AppUtils
32 import com.android.settingslib.spa.widget.preference.Preference
33 import com.android.settingslib.spa.widget.preference.PreferenceModel
34 import com.android.settingslib.spaprivileged.framework.common.asUser
35 import com.android.settingslib.spaprivileged.framework.common.domainVerificationManager
36 import com.android.settingslib.spaprivileged.model.app.hasFlag
37 import com.android.settingslib.spaprivileged.model.app.userHandle
38 import com.android.settingslib.spaprivileged.model.app.userId
39 import kotlinx.coroutines.Dispatchers
40 import kotlinx.coroutines.flow.flow
41 import kotlinx.coroutines.flow.flowOn
42 
43 @Composable
AppOpenByDefaultPreferencenull44 fun AppOpenByDefaultPreference(app: ApplicationInfo) {
45     val context = LocalContext.current
46     val presenter = remember(app) { AppOpenByDefaultPresenter(context, app) }
47     if (remember(presenter) { !presenter.isAvailable() }) return
48 
49     val summary by presenter.summaryFlow.collectAsStateWithLifecycle(
50         initialValue = stringResource(R.string.summary_placeholder),
51     )
52     Preference(object : PreferenceModel {
53         override val title = stringResource(R.string.launch_by_default)
54         override val summary = { summary }
55         override val enabled = { presenter.isEnabled() }
56         override val onClick = presenter::startActivity
57     })
58 }
59 
60 private class AppOpenByDefaultPresenter(
61     private val context: Context,
62     private val app: ApplicationInfo,
63 ) {
64     private val domainVerificationManager = context.asUser(app.userHandle).domainVerificationManager
65 
isAvailablenull66     fun isAvailable() =
67         !app.isInstantApp && !AppUtils.isBrowserApp(context, app.packageName, app.userId)
68 
69     fun isEnabled() = app.hasFlag(ApplicationInfo.FLAG_INSTALLED) && app.enabled
70 
71     val summaryFlow = flow { emit(getSummary()) }.flowOn(Dispatchers.IO)
72 
getSummarynull73     private fun getSummary() = context.getString(
74         when {
75             isLinkHandlingAllowed() -> R.string.app_link_open_always
76             else -> R.string.app_link_open_never
77         }
78     )
79 
isLinkHandlingAllowednull80     private fun isLinkHandlingAllowed(): Boolean {
81         val userState = IntentPickerUtils.getDomainVerificationUserState(
82             domainVerificationManager, app.packageName
83         )
84         return userState?.isLinkHandlingAllowed ?: false
85     }
86 
startActivitynull87     fun startActivity() {
88         AppInfoDashboardFragment.startAppInfoFragment(
89             AppLaunchSettings::class.java,
90             app,
91             context,
92             AppInfoSettingsProvider.METRICS_CATEGORY,
93         )
94     }
95 }
96