feature: show onboarding as a modal on large screens, add close functionality

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- show on boarding as a modal on large screens
+
 ### Fixed
 
 - Desktop: audio playback failed with *Failed to play audio* on every record,

data/resources/src/commonMain/composeResources/values-br/strings.xml

@@ -42,6 +42,7 @@
     <string name="onboarding_level_advanced_description">Tizh boas, hep ehan etre ar frazennoù</string>
     <string name="onboarding_next">War-lerc\'h</string>
     <string name="onboarding_start">Kregiñ</string>
+    <string name="onboarding_close">Serriñ</string>
 
     <string name="player_back">Distreiñ</string>
     <string name="player_previous_sentence">Frazenn a-raok</string>

data/resources/src/commonMain/composeResources/values/strings.xml

@@ -42,6 +42,7 @@
     <string name="onboarding_level_advanced_description">Vitesse normale, sans pause</string>
     <string name="onboarding_next">Suivant</string>
     <string name="onboarding_start">Commencer</string>
+    <string name="onboarding_close">Fermer</string>
 
     <string name="player_back">Retour</string>
     <string name="player_previous_sentence">Phrase précédente</string>

feature/onboarding/src/commonMain/kotlin/bzh/ajaury/chombev/onboarding/ui/OnboardingScreen.kt

@@ -1,20 +1,27 @@
 package bzh.ajaury.chombev.onboarding.ui
 
+import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.sizeIn
 import androidx.compose.foundation.pager.HorizontalPager
 import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.filled.Hearing
 import androidx.compose.material.icons.filled.Speed
 import androidx.compose.material.icons.filled.Subtitles
 import androidx.compose.material3.Button
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@@ -23,6 +30,8 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import bzh.ajaury.chombev.onboarding.model.OnboardingLevel
 import bzh.ajaury.chombev.onboarding.ui.components.OnboardingInfoPage
@@ -31,6 +40,7 @@ import bzh.ajaury.chombev.onboarding.ui.components.OnboardingPageIndicator
 import bzh.ajaury.chombev.onboarding.ui.viewmodel.OnboardingUiState
 import bzh.ajaury.chombev.onboarding.ui.viewmodel.OnboardingViewModel
 import bzh.ajaury.chombev.resources.generated.resources.Res
+import bzh.ajaury.chombev.resources.generated.resources.onboarding_close
 import bzh.ajaury.chombev.resources.generated.resources.onboarding_goal_description
 import bzh.ajaury.chombev.resources.generated.resources.onboarding_goal_title
 import bzh.ajaury.chombev.resources.generated.resources.onboarding_next
@@ -46,35 +56,99 @@ import org.koin.compose.viewmodel.koinViewModel
 private const val PAGE_COUNT = 4
 private const val LEVEL_PAGE_INDEX = PAGE_COUNT - 1
 
+private val DIALOG_MAX_WIDTH = 560.dp
+private val DIALOG_MAX_HEIGHT = 680.dp
+private const val DIALOG_WINDOW_FRACTION = 0.9f
+
 @Composable
-fun OnboardingScreen(viewModel: OnboardingViewModel = koinViewModel()) {
+fun OnboardingScreen(
+    showAsDialog: Boolean = false,
+    viewModel: OnboardingViewModel = koinViewModel(),
+) {
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
 
     OnboardingScreen(
         uiState = uiState,
+        showAsDialog = showAsDialog,
         onLevelSelected = viewModel::selectLevel,
         onFinish = viewModel::completeOnboarding,
+        onDismiss = viewModel::skipOnboarding,
     )
 }
 
 @Composable
 fun OnboardingScreen(
     uiState: OnboardingUiState,
+    showAsDialog: Boolean = false,
     onLevelSelected: (OnboardingLevel) -> Unit = {},
     onFinish: () -> Unit = {},
+    onDismiss: () -> Unit = {},
+) {
+    if (showAsDialog) {
+        Dialog(
+            onDismissRequest = onDismiss,
+            // The content sizes itself against the window rather than the platform default width.
+            properties = DialogProperties(usePlatformDefaultWidth = false),
+        ) {
+            Surface(
+                modifier = Modifier
+                    .sizeIn(maxWidth = DIALOG_MAX_WIDTH, maxHeight = DIALOG_MAX_HEIGHT)
+                    .fillMaxSize(fraction = DIALOG_WINDOW_FRACTION),
+                shape = MaterialTheme.shapes.extraLarge,
+                color = MaterialTheme.colorScheme.surfaceContainerHigh,
+            ) {
+                OnboardingContent(
+                    uiState = uiState,
+                    onLevelSelected = onLevelSelected,
+                    onFinish = onFinish,
+                    onClose = onDismiss,
+                )
+            }
+        }
+    } else {
+        Scaffold { innerPadding ->
+            OnboardingContent(
+                uiState = uiState,
+                modifier = Modifier.padding(innerPadding),
+                onLevelSelected = onLevelSelected,
+                onFinish = onFinish,
+            )
+        }
+    }
+}
+
+@Composable
+private fun OnboardingContent(
+    uiState: OnboardingUiState,
+    modifier: Modifier = Modifier,
+    onLevelSelected: (OnboardingLevel) -> Unit = {},
+    onFinish: () -> Unit = {},
+    onClose: (() -> Unit)? = null,
 ) {
     val pagerState = rememberPagerState(pageCount = { PAGE_COUNT })
     val scope = rememberCoroutineScope()
     val isLastPage = pagerState.currentPage == LEVEL_PAGE_INDEX
 
-    Scaffold { innerPadding ->
     Column(
-            modifier = Modifier
-                .padding(innerPadding)
+        modifier = modifier
             .fillMaxSize()
             .padding(24.dp),
         horizontalAlignment = Alignment.CenterHorizontally,
     ) {
+        if (onClose != null) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.End,
+            ) {
+                IconButton(onClick = onClose) {
+                    Icon(
+                        imageVector = Icons.Filled.Close,
+                        contentDescription = stringResource(Res.string.onboarding_close),
+                    )
+                }
+            }
+        }
+
         HorizontalPager(
             state = pagerState,
             modifier = Modifier
@@ -133,7 +207,6 @@ fun OnboardingScreen(
             )
         }
     }
-    }
 }
 
 @Preview
@@ -148,3 +221,23 @@ private fun OnboardingScreenPreview() {
         )
     }
 }
+
+@Preview
+@Composable
+private fun OnboardingContentAsDialogPreview() {
+    MaterialTheme {
+        Surface(
+            modifier = Modifier.sizeIn(maxWidth = DIALOG_MAX_WIDTH, maxHeight = DIALOG_MAX_HEIGHT),
+            shape = MaterialTheme.shapes.extraLarge,
+            color = MaterialTheme.colorScheme.surfaceContainerHigh,
+        ) {
+            OnboardingContent(
+                uiState = OnboardingUiState(
+                    isCompleted = false,
+                    selectedLevel = OnboardingLevel.BEGINNER,
+                ),
+                onClose = {},
+            )
+        }
+    }
+}

feature/onboarding/src/commonMain/kotlin/bzh/ajaury/chombev/onboarding/ui/viewmodel/OnboardingViewModel.kt

@@ -36,6 +36,12 @@ class OnboardingViewModel(
         selectedLevel.value = level
     }
 
+    fun skipOnboarding() {
+        viewModelScope.launch {
+            preferencesRepository.setOnboardingCompleted()
+        }
+    }
+
     fun completeOnboarding() {
         val level = selectedLevel.value
         viewModelScope.launch {

shared/src/commonMain/kotlin/bzh/ajaury/chombev/App.kt

@@ -10,7 +10,10 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateListOf
 import androidx.compose.runtime.saveable.rememberSerializable
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalWindowInfo
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.navigation3.runtime.NavEntry
 import androidx.navigation3.runtime.metadata
@@ -35,6 +38,9 @@ import org.koin.compose.viewmodel.koinViewModel
 import org.koin.dsl.koinConfiguration
 import org.koin.dsl.module
 
+private val WIDE_WINDOW_MIN_WIDTH = 840.dp
+private val WIDE_WINDOW_MIN_HEIGHT = 600.dp
+
 val appModule = module {
     includes(
         loggingModule,
@@ -59,21 +65,32 @@ fun App() {
             val onboardingViewModel: OnboardingViewModel = koinViewModel()
             val onboardingUiState by onboardingViewModel.uiState.collectAsStateWithLifecycle()
 
-            when (onboardingUiState.isCompleted) {
-                // The persisted flag is still being read: render nothing rather than flashing
-                // either screen.
-                null -> Unit
+            val showOnboardingAsDialog = isWideWindow()
 
-                // First launch: onboarding replaces the whole UI. Completing it flips the persisted
-                // flag, which switches to the main content automatically.
-                false -> OnboardingScreen()
+            val isOnboardingVisible = onboardingUiState.isCompleted == false
+            val isMainContentVisible = onboardingUiState.isCompleted == true ||
+                (isOnboardingVisible && showOnboardingAsDialog)
 
-                true -> MainNavigation(darkTheme = darkTheme)
+            if (isMainContentVisible) {
+                MainNavigation(darkTheme = darkTheme)
+            }
+
+            if (isOnboardingVisible) {
+                OnboardingScreen(showAsDialog = showOnboardingAsDialog)
             }
         }
     }
 }
 
+@Composable
+private fun isWideWindow(): Boolean {
+    val containerSize = LocalWindowInfo.current.containerSize
+    return with(LocalDensity.current) {
+        containerSize.width.toDp() >= WIDE_WINDOW_MIN_WIDTH &&
+            containerSize.height.toDp() >= WIDE_WINDOW_MIN_HEIGHT
+    }
+}
+
 @Composable
 private fun MainNavigation(darkTheme: Boolean) {
     val serializer = SnapshotStateListSerializer<Route>()