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165 lines
5.4 KiB
Kotlin
165 lines
5.4 KiB
Kotlin
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package com.tailscale.ipn.ui.viewModel
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import androidx.annotation.StringRes
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.res.stringResource
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.ViewModelProvider
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import androidx.lifecycle.viewModelScope
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import com.tailscale.ipn.BuildConfig
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import com.tailscale.ipn.R
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import com.tailscale.ipn.mdm.MDMSettings
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import com.tailscale.ipn.mdm.StringSetting
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import com.tailscale.ipn.ui.notifier.Notifier
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import com.tailscale.ipn.ui.util.set
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.launch
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enum class SettingType {
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NAV,
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SWITCH,
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NAV_WITH_TEXT,
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TEXT
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}
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class ComposableStringFormatter(@StringRes val stringRes: Int, vararg val params: Any) {
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@Composable fun getString(): String = stringResource(id = stringRes, *params)
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}
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// Represents a bundle of settings values that should be grouped together under a title
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data class SettingBundle(val title: String? = null, val settings: List<Setting>)
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// Represents a UI setting.
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// title: The title of the setting
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// type: The type of setting
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// enabled: Whether the setting is enabled
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// value: The value of the setting for textual settings
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// isOn: The value of the setting for switch settings
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// onClick: The action to take when the setting is clicked (typicall for navigation)
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// onToggle: The action to take when the setting is toggled (typically for switches)
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//
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// Behavior is undefined if you mix the types here. Switch settings should supply an
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// isOn and onToggle, while navigation settings should supply an onClick and an optional
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// value
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data class Setting(
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val title: ComposableStringFormatter,
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val type: SettingType,
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val destructive: Boolean = false,
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val enabled: StateFlow<Boolean> = MutableStateFlow(true),
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val value: StateFlow<String?>? = null,
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val isOn: StateFlow<Boolean?>? = null,
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val onClick: () -> Unit = {},
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val onToggle: (Boolean) -> Unit = {}
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) {
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constructor(
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titleRes: Int,
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type: SettingType,
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enabled: StateFlow<Boolean> = MutableStateFlow(false),
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value: StateFlow<String?>? = null,
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isOn: StateFlow<Boolean?>? = null,
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onClick: () -> Unit = {},
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onToggle: (Boolean) -> Unit = {}
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) : this(
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title = ComposableStringFormatter(titleRes),
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type = type,
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enabled = enabled,
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value = value,
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isOn = isOn,
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onClick = onClick,
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onToggle = onToggle)
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}
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data class SettingsNav(
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val onNavigateToBugReport: () -> Unit,
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val onNavigateToAbout: () -> Unit,
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val onNavigateToMDMSettings: () -> Unit,
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val onNavigateToManagedBy: () -> Unit,
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val onNavigateToUserSwitcher: () -> Unit,
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val onBackPressed: () -> Unit,
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)
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class SettingsViewModelFactory(private val navigation: SettingsNav) : ViewModelProvider.Factory {
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override fun <T : ViewModel> create(modelClass: Class<T>): T {
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return SettingsViewModel(navigation) as T
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}
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}
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class SettingsViewModel(val navigation: SettingsNav) : IpnViewModel() {
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// Display name for the logged in user
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var isAdmin: StateFlow<Boolean> = MutableStateFlow(false)
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val useDNSSetting =
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Setting(
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R.string.use_ts_dns,
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SettingType.SWITCH,
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isOn = MutableStateFlow(Notifier.prefs.value?.CorpDNS),
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onToggle = {
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toggleCorpDNS {
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// (jonathan) TODO: Error handling
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}
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})
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val settings: StateFlow<List<SettingBundle>> = MutableStateFlow(emptyList())
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init {
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viewModelScope.launch {
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// Monitor our prefs for changes and update the displayed values accordingly
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Notifier.prefs.collect { prefs ->
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useDNSSetting.isOn?.set(prefs?.CorpDNS)
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useDNSSetting.enabled.set(prefs != null)
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}
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}
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viewModelScope.launch {
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mdmSettings.collect { mdmSettings ->
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settings.set(
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listOf(
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SettingBundle(
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settings =
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listOf(
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useDNSSetting,
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)),
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// General settings, always enabled
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SettingBundle(settings = footerSettings(mdmSettings))))
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}
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}
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viewModelScope.launch {
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Notifier.netmap.collect { netmap -> isAdmin.set(netmap?.SelfNode?.isAdmin ?: false) }
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}
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}
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private fun footerSettings(mdmSettings: MDMSettings): List<Setting> =
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listOfNotNull(
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Setting(
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titleRes = R.string.about,
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SettingType.NAV,
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onClick = { navigation.onNavigateToAbout() },
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enabled = MutableStateFlow(true)),
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Setting(
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titleRes = R.string.bug_report,
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SettingType.NAV,
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onClick = { navigation.onNavigateToBugReport() },
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enabled = MutableStateFlow(true)),
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mdmSettings.get(StringSetting.ManagedByOrganizationName)?.let {
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Setting(
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ComposableStringFormatter(R.string.managed_by_orgName, it),
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SettingType.NAV,
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onClick = { navigation.onNavigateToManagedBy() },
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enabled = MutableStateFlow(true))
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},
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if (BuildConfig.DEBUG) {
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Setting(
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titleRes = R.string.mdm_settings,
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SettingType.NAV,
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onClick = { navigation.onNavigateToMDMSettings() },
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enabled = MutableStateFlow(true))
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} else {
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null
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})
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}
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