PeachAppNavHost.kt

1package com.peachpasswords.ui23import androidx.compose.animation.EnterTransition4import androidx.compose.animation.ExitTransition5import androidx.compose.animation.core.tween6import androidx.compose.animation.fadeIn7import androidx.compose.animation.fadeOut8import androidx.compose.animation.slideInVertically9import androidx.compose.animation.slideOutVertically10import androidx.compose.foundation.layout.Box11import androidx.compose.foundation.layout.fillMaxSize12import androidx.compose.runtime.Composable13import androidx.compose.runtime.LaunchedEffect14import androidx.compose.runtime.getValue15import androidx.compose.ui.Modifier16import androidx.lifecycle.compose.collectAsStateWithLifecycle17import androidx.navigation.NavHostController18import androidx.navigation.NavType19import androidx.navigation.compose.NavHost20import androidx.navigation.compose.composable21import androidx.navigation.compose.rememberNavController22import androidx.navigation.navArgument23import com.peachpasswords.ui.codex.CodexGenerateScreen24import com.peachpasswords.ui.codex.CodexRestoreScreen25import com.peachpasswords.ui.components.CopyFeedbackOverlay26import com.peachpasswords.ui.lock.LockScreen27import com.peachpasswords.ui.onboarding.OnboardingScreen28import com.peachpasswords.ui.pairing.ChirpPairScreen29import com.peachpasswords.ui.recovery.RecoveryWordEntryScreen30import com.peachpasswords.ui.settings.PanicScreen31import com.peachpasswords.ui.settings.SettingsScreen32import com.peachpasswords.ui.vault.VaultHealthScreen33import com.peachpasswords.ui.theme.PeachMotion34import com.peachpasswords.ui.vault.EntryDetailScreen35import com.peachpasswords.ui.vault.EntryEditScreen36import com.peachpasswords.ui.vault.ExportScreen37import com.peachpasswords.ui.vault.ImportScreen38import com.peachpasswords.ui.vault.NotesModeScreen39import com.peachpasswords.ui.vault.RecoveryWordsScreen40import com.peachpasswords.ui.vault.TrashScreen41import com.peachpasswords.ui.vault.VaultListScreen4243@Composable44fun PeachAppNavHost(45    navController: NavHostController = rememberNavController(),46    startDestination: PeachNav = PeachNav.Lock,47    isUnlocked: kotlinx.coroutines.flow.StateFlow<Boolean>? = null,48) {49    val nav: (PeachNav) -> Unit = { navController.navigate(it.route) }50    val back: () -> Unit = { navController.popBackStack() }5152    // When the vault locks for any reason — manual lock button, idle auto-lock, or53    // background lock (CF-1/CF-2) — drop to the lock screen and clear history so no54    // post-unlock screen lingers behind it. Guarded so it never fires on the lock55    // or onboarding screens (where the vault is legitimately locked).56    if (isUnlocked != null) {57        val unlocked by isUnlocked.collectAsStateWithLifecycle()58        LaunchedEffect(unlocked) {59            if (!unlocked) {60                val current = navController.currentDestination?.route61                if (current != null &&62                    current != PeachNav.Lock.route &&63                    current != PeachNav.Onboarding.route64                ) {65                    navController.navigate(PeachNav.Lock.route) {66                        popUpTo(0) { inclusive = true }67                        launchSingleTop = true68                    }69                }70            }71        }72    }7374    Box(Modifier.fillMaxSize()) {75        NavHost(76            navController = navController,77            startDestination = startDestination.route,78            enterTransition = {79                if (isVaultSheetTransition(initialState.destination.route, targetState.destination.route)) {80                    slideInVertically(81                        initialOffsetY = { it },82                        animationSpec = tween(PeachMotion.Enter, easing = PeachMotion.Spring),83                    ) + fadeIn(tween(PeachMotion.Enter, easing = PeachMotion.Spring))84                } else if (isVaultSheetTransition(initialState.destination.route, targetState.destination.route, reverse = true)) {85                    EnterTransition.None86                } else {87                    slideInVertically(88                        initialOffsetY = { (it * 0.05f).toInt() },89                        animationSpec = tween(PeachMotion.Enter, easing = PeachMotion.Spring),90                    ) + fadeIn(tween(PeachMotion.Enter, easing = PeachMotion.Spring))91                }92            },93            exitTransition = {94                if (isVaultSheetTransition(initialState.destination.route, targetState.destination.route)) {95                    ExitTransition.None96                } else if (isVaultSheetTransition(initialState.destination.route, targetState.destination.route, reverse = true)) {97                    slideOutVertically(98                        targetOffsetY = { it },99                        animationSpec = tween(PeachMotion.Exit, easing = PeachMotion.Retreat),100                    ) + fadeOut(tween(PeachMotion.Exit, easing = PeachMotion.Retreat))101                } else {102                    slideOutVertically(103                        targetOffsetY = { -(it * 0.03f).toInt() },104                        animationSpec = tween(PeachMotion.Exit, easing = PeachMotion.Retreat),105                    ) + fadeOut(tween(PeachMotion.Exit, easing = PeachMotion.Retreat))106                }107            },108            popEnterTransition = {109                if (isVaultSheetTransition(initialState.destination.route, targetState.destination.route, reverse = true)) {110                    EnterTransition.None111                } else {112                    fadeIn(tween(PeachMotion.Enter, easing = PeachMotion.Spring))113                }114            },115            popExitTransition = {116                if (isVaultSheetTransition(initialState.destination.route, targetState.destination.route, reverse = true)) {117                    slideOutVertically(118                        targetOffsetY = { it },119                        animationSpec = tween(PeachMotion.Exit, easing = PeachMotion.Retreat),120                    ) + fadeOut(tween(PeachMotion.Exit, easing = PeachMotion.Retreat))121                } else {122                    slideOutVertically(123                        targetOffsetY = { (it * 0.05f).toInt() },124                        animationSpec = tween(PeachMotion.Exit, easing = PeachMotion.Retreat),125                    ) + fadeOut(tween(PeachMotion.Exit, easing = PeachMotion.Retreat))126                }127            },128        ) {129        composable(PeachNav.Onboarding.route) {130            OnboardingScreen(131                onFinished = {132                    navController.navigate(PeachNav.Lock.route) {133                        popUpTo(PeachNav.Onboarding.route) { inclusive = true }134                    }135                },136                onRestore = { nav(PeachNav.Import) },137            )138        }139        composable(PeachNav.Lock.route) {140            LockScreen(141                onUnlocked = { dest ->142                    navController.navigate(dest.route) {143                        popUpTo(PeachNav.Lock.route) { inclusive = true }144                    }145                },146                onNavigate = nav,147            )148        }149        composable(PeachNav.VaultList.route) {150            // C1: non-null only when the list was pushed on top of an entry151            // (slide-up-to-open from EntryDetailSearchStrip) — slide back152            // down pops back to that exact entry instance.153            val hasOrigin = navController.previousBackStackEntry != null154            VaultListScreen(155                onNavigate = nav,156                onBack = if (hasOrigin) ({ navController.popBackStack() }) else null,157            )158        }159        composable(PeachNav.VaultNotes.route) {160            val hasOrigin = navController.previousBackStackEntry != null161            VaultListScreen(162                onNavigate = nav,163                onBack = if (hasOrigin) ({ navController.popBackStack() }) else null,164                startNoteOnly = true,165            )166        }167168        composable(169            route = PeachNav.EntryDetail.ROUTE,170            arguments = listOf(navArgument("id") { type = NavType.StringType }),171        ) { backStack ->172            // C1: when this entry is the post-unlock landing surface, its173            // unlock navigation popped Lock off the stack (see the Lock174            // composable below), so there's no previous entry — it's the175            // deck's root, not a screen pushed from the vault list, and176            // shouldn't offer a "back to list" affordance that implies177            // otherwise. Only entries reached by tapping a vault-list row178            // (a real push) get a real back target.179            val isRoot = navController.previousBackStackEntry == null180            EntryDetailScreen(181                id = backStack.arguments?.getString("id").orEmpty(),182                onNavigate = nav,183                onBack = if (isRoot) null else ({ navController.navigate(PeachNav.VaultList.route) }),184            )185        }186        composable(187            route = PeachNav.EntryEdit.ROUTE,188            arguments = listOf(navArgument("id") { type = NavType.StringType; nullable = true }),189        ) { backStack ->190            val editId = backStack.arguments?.getString("id")?.takeIf { it.isNotBlank() }191            if (editId == null) {192                EntryEditScreen(193                    id = null,194                    onBack = back,195                    onOpenNote = { noteId ->196                        navController.navigate(PeachNav.NotesMode.of(noteId)) {197                            popUpTo(PeachNav.EntryEdit.ROUTE) { inclusive = true }198                        }199                    },200                )201            } else {202                EntryDetailScreen(203                    id = editId,204                    onNavigate = nav,205                    onBack = back,206                )207            }208        }209210        composable(211            route = PeachNav.NotesMode.ROUTE,212            arguments = listOf(navArgument("id") { type = NavType.StringType }),213        ) {214            NotesModeScreen(onBack = back)215        }216        composable(PeachNav.Settings.route) { SettingsScreen(onBack = back, onNavigate = nav) }217        composable(PeachNav.CodexGenerate.route) {218            CodexGenerateScreen(219                onBack = back,220                onSetupRecovery = { nav(PeachNav.RecoverySetup) },221                onUpgradePro = { nav(PeachNav.Settings) },222            )223        }224        composable(PeachNav.CodexRestore.route) { CodexRestoreScreen(onBack = back, onRestored = back) }225        composable(PeachNav.ChirpPair.route) { ChirpPairScreen(onBack = back) }226        composable(PeachNav.Health.route) {227            VaultHealthScreen(onBack = back, onEditEntry = { nav(PeachNav.EntryDetail(it)) })228        }229        composable(PeachNav.Trash.route) { TrashScreen(onBack = back) }230        composable(PeachNav.Import.route) {231            ImportScreen(232                onBack = back,233                onVaultCreated = {234                    navController.navigate(PeachNav.RecoverySetup.route) {235                        popUpTo(PeachNav.Lock.route) { inclusive = true }236                    }237                },238            )239        }240        composable(PeachNav.Export.route) { ExportScreen(onBack = back) }241        composable(PeachNav.Panic.route) {242            PanicScreen(243                onBack = back,244                onDestroyed = {245                    navController.navigate(PeachNav.Lock.route) {246                        popUpTo(0) { inclusive = true }247                    }248                },249            )250        }251        composable(PeachNav.RecoverySetup.route) {252            RecoveryWordsScreen(253                requireConfirm = true,254                onDone = {255                    navController.navigate(PeachNav.VaultList.route) {256                        popUpTo(PeachNav.Lock.route) { inclusive = true }257                    }258                },259            )260        }261        composable(PeachNav.RecoveryView.route) {262            RecoveryWordsScreen(requireConfirm = false, onDone = back)263        }264        composable(PeachNav.RecoveryEntry.route) {265            RecoveryWordEntryScreen(266                onSuccess = {267                    navController.navigate(PeachNav.VaultList.route) {268                        popUpTo(PeachNav.Lock.route) { inclusive = true }269                    }270                },271                onBack = back,272                onRestore = { nav(PeachNav.Import) },273            )274        }275        }276        CopyFeedbackOverlay()277    }278}279280internal fun isVaultSheetTransition(fromRoute: String?, toRoute: String?, reverse: Boolean = false): Boolean {281    val fromEntry = isEntrySurfaceRoute(fromRoute)282    val toEntry = isEntrySurfaceRoute(toRoute)283    return if (reverse) {284        fromRoute == PeachNav.VaultList.route && toEntry285    } else {286        fromEntry && toRoute == PeachNav.VaultList.route287    }288}289290internal fun isEntrySurfaceRoute(route: String?): Boolean =291    route?.startsWith("entry/") == true || route?.startsWith("notes/") == true