large screen support (WIP)

app/build.gradle

@@ -177,6 +177,7 @@ dependencies {
 
     // https://developer.android.com/jetpack/androidx/releases/compose-material3
     implementation "androidx.compose.material3:material3:$material3"
+    implementation "androidx.compose.material3:material3-window-size-class:$material3"
 
     // https://github.com/google/accompanist/releases
     implementation "com.google.accompanist:accompanist-systemuicontroller:$accompanist"

app/src/main/java/me/ash/reader/infrastructure/android/MainActivity.kt

@@ -11,6 +11,8 @@ import android.view.WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
+import androidx.compose.material3.windowsizeclass.ExperimentalMaterial3WindowSizeClassApi
+import androidx.compose.material3.windowsizeclass.calculateWindowSizeClass
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.DisposableEffect
 import androidx.core.app.NotificationManagerCompat
@@ -28,6 +30,7 @@ import me.ash.reader.infrastructure.preference.SettingsProvider
 import me.ash.reader.ui.ext.languages
 import me.ash.reader.ui.page.common.HomeEntry
 import me.ash.reader.ui.page.home.feeds.subscribe.SubscribeViewModel
+import me.ash.reader.ui.theme.palette.core.LocalWidthWindowSizeClass
 import java.lang.reflect.Field
 import javax.inject.Inject
 
@@ -43,6 +46,7 @@ class MainActivity : AppCompatActivity() {
     @Inject
     lateinit var accountDao: AccountDao
 
+    @OptIn(ExperimentalMaterial3WindowSizeClassApi::class)
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         WindowCompat.setDecorFitsSystemWindows(window, false)
@@ -83,8 +87,10 @@ class MainActivity : AppCompatActivity() {
 
 
         setContent {
+            val widthSizeClass = calculateWindowSizeClass(this).widthSizeClass
             CompositionLocalProvider(
                 LocalImageLoader provides imageLoader,
+                LocalWidthWindowSizeClass provides widthSizeClass,
             ) {
                 AccountSettingsProvider(accountDao) {
                     SettingsProvider {

app/src/main/java/me/ash/reader/ui/component/base/RYScaffold.kt

@@ -17,6 +17,7 @@ import me.ash.reader.ui.theme.palette.onDark
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun RYScaffold(
+    modifier: Modifier = Modifier,
     containerColor: Color = MaterialTheme.colorScheme.surface,
     topBarTonalElevation: Dp = 0.dp,
     containerTonalElevation: Dp = 0.dp,
@@ -27,7 +28,7 @@ fun RYScaffold(
     content: @Composable () -> Unit = {},
 ) {
     Scaffold(
-        modifier = Modifier
+        modifier = modifier
             .background(
                 MaterialTheme.colorScheme.surfaceColorAtElevation(
                     topBarTonalElevation,

app/src/main/java/me/ash/reader/ui/page/common/HomeEntry.kt

@@ -32,7 +32,7 @@ import me.ash.reader.ui.ext.isFirstLaunch
 import me.ash.reader.ui.page.home.HomeViewModel
 import me.ash.reader.ui.page.home.feeds.FeedsPage
 import me.ash.reader.ui.page.home.feeds.subscribe.SubscribeViewModel
-import me.ash.reader.ui.page.home.flow.FlowPage
+import me.ash.reader.ui.page.home.flow.FlowRoute
 import me.ash.reader.ui.page.home.reading.ReadingPage
 import me.ash.reader.ui.page.settings.SettingsPage
 import me.ash.reader.ui.page.settings.accounts.AccountDetailsPage
@@ -97,12 +97,12 @@ fun HomeEntry(
         )
 
         // This is finally
-        navController.currentBackStackEntryFlow.collectLatest {
+        homeViewModel.homeUiState.collectLatest {
             Log.i("RLog", "currentBackStackEntry: ${navController.currentDestination?.route}")
             // Animation duration takes 310 ms
             delay(310L)
             isReadingPage =
-                navController.currentDestination?.route == "${RouteName.READING}/{articleId}"
+                navController.currentDestination?.route == RouteName.FLOW && it.isArticleOpen
         }
     }
 
@@ -126,9 +126,7 @@ fun HomeEntry(
             navController.navigate(RouteName.FLOW) {
                 launchSingleTop = true
             }
-            navController.navigate("${RouteName.READING}/${openArticleId}") {
-                launchSingleTop = true
-            }
+            homeViewModel.selectArticle(openArticleId)
             openArticleId = ""
         }
     }
@@ -169,14 +167,11 @@ fun HomeEntry(
                 )
             }
             forwardAndBackwardComposable(route = RouteName.FLOW) {
-                FlowPage(
+                FlowRoute(
                     navController = navController,
-                    homeViewModel = homeViewModel,
+                    homeViewModel = homeViewModel
                 )
             }
-            forwardAndBackwardComposable(route = "${RouteName.READING}/{articleId}") {
-                ReadingPage(navController = navController, homeViewModel = homeViewModel)
-            }
 
             // Settings
             forwardAndBackwardComposable(route = RouteName.SETTINGS) {

app/src/main/java/me/ash/reader/ui/page/common/RouteName.kt

@@ -8,7 +8,6 @@ object RouteName {
     // Home
     const val FEEDS = "feeds"
     const val FLOW = "flow"
-    const val READING = "reading"
 
     // Settings
     const val SETTINGS = "settings"

app/src/main/java/me/ash/reader/ui/page/home/HomeViewModel.kt

@@ -101,6 +101,18 @@ class HomeViewModel @Inject constructor(
         _homeUiState.update { it.copy(searchContent = content) }
         fetchArticles()
     }
+
+    fun selectArticle(articleId: String) {
+        _homeUiState.update {
+            it.copy(isArticleOpen = true, articleId = articleId)
+        }
+    }
+
+    fun backToFeed() {
+        _homeUiState.update {
+            it.copy(isArticleOpen = false, articleId = null)
+        }
+    }
 }
 
 data class FilterState(
@@ -112,4 +124,7 @@ data class FilterState(
 data class HomeUiState(
     val pagingData: Flow<PagingData<ArticleFlowItem>> = emptyFlow(),
     val searchContent: String = "",
+
+    val isArticleOpen: Boolean = false,
+    val articleId: String? = null,
 )

app/src/main/java/me/ash/reader/ui/page/home/flow/FlowPage.kt

@@ -1,12 +1,14 @@
 package me.ash.reader.ui.page.home.flow
 
 import androidx.activity.compose.BackHandler
+import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.navigationBars
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.layout.windowInsetsBottomHeight
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.rememberLazyListState
@@ -24,6 +26,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.runtime.snapshotFlow
+import androidx.compose.material3.windowsizeclass.WindowWidthSizeClass
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.platform.LocalContext
@@ -59,6 +62,8 @@ import me.ash.reader.ui.component.base.SwipeRefresh
 import me.ash.reader.ui.ext.collectAsStateValue
 import me.ash.reader.ui.page.common.RouteName
 import me.ash.reader.ui.page.home.HomeViewModel
+import me.ash.reader.ui.page.home.reading.ReadingPage
+import me.ash.reader.ui.theme.palette.core.LocalWidthWindowSizeClass
 
 @OptIn(
     com.google.accompanist.pager.ExperimentalPagerApi::class,
@@ -69,6 +74,7 @@ fun FlowPage(
     navController: NavHostController,
     flowViewModel: FlowViewModel = hiltViewModel(),
     homeViewModel: HomeViewModel,
+    onArticleClick: (String) -> Unit,
 ) {
     val keyboardController = LocalSoftwareKeyboardController.current
     val topBarTonalElevation = LocalFlowTopBarTonalElevation.current
@@ -182,7 +188,10 @@ fun FlowPage(
         onSearch = false
     }
 
+    val isExpandedScreen = LocalWidthWindowSizeClass.current == WindowWidthSizeClass.Expanded
+    val width = if (isExpandedScreen) Modifier.width(334.dp) else Modifier
     RYScaffold(
+        modifier = width,
         topBarTonalElevation = topBarTonalElevation.value.dp,
         containerTonalElevation = articleListTonalElevation.value.dp,
         navigationIcon = {
@@ -328,9 +337,7 @@ fun FlowPage(
                         isSwipeEnabled = { listState.isScrollInProgress },
                         onClick = {
                             onSearch = false
-                            navController.navigate("${RouteName.READING}/${it.article.id}") {
-                                launchSingleTop = true
-                            }
+                            onArticleClick(it.article.id)
                         },
                         onToggleStarred = onToggleStarred,
                         onToggleRead = onToggleRead,
@@ -368,3 +375,24 @@ fun FlowPage(
         }
     )
 }
+
+@Composable
+fun FlowWithArticleDetailsScreen(
+    navController: NavHostController,
+    homeViewModel: HomeViewModel,
+    flowViewModel: FlowViewModel,
+    onArticleClick: (String) -> Unit,
+) {
+    val homeUiState = homeViewModel.homeUiState.collectAsStateValue()
+    Row {
+        FlowPage(
+            navController = navController,
+            onArticleClick = onArticleClick,
+            homeViewModel = homeViewModel,
+            flowViewModel = flowViewModel,
+        )
+        if (homeUiState.isArticleOpen) {
+            ReadingPage(navController = navController, homeViewModel = homeViewModel)
+        }
+    }
+}

app/src/main/java/me/ash/reader/ui/page/home/flow/FlowRoute.kt

@@ -0,0 +1,77 @@
+package me.ash.reader.ui.page.home.flow
+
+import androidx.activity.compose.BackHandler
+import androidx.compose.material3.windowsizeclass.WindowWidthSizeClass
+import androidx.compose.runtime.Composable
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavHostController
+import me.ash.reader.ui.ext.collectAsStateValue
+import me.ash.reader.ui.page.home.HomeUiState
+import me.ash.reader.ui.page.home.HomeViewModel
+import me.ash.reader.ui.page.home.reading.ReadingPage
+import me.ash.reader.ui.theme.palette.core.LocalWidthWindowSizeClass
+
+enum class FlowScreenType {
+    FlowWithArticleDetails,
+    Flow,
+    ArticleDetails,
+}
+
+fun getFlowScreenType(isExpanded: Boolean, homeUiState: HomeUiState): FlowScreenType = when (isExpanded) {
+    true -> {
+        FlowScreenType.FlowWithArticleDetails
+    }
+    false -> {
+        if (homeUiState.isArticleOpen) {
+            FlowScreenType.ArticleDetails
+        } else {
+            FlowScreenType.Flow
+        }
+    }
+}
+
+@Composable
+fun FlowRoute(
+    navController: NavHostController,
+    homeViewModel: HomeViewModel,
+    flowViewModel: FlowViewModel = hiltViewModel(),
+) {
+    val homeUiState = homeViewModel.homeUiState.collectAsStateValue()
+    val isExpandedScreen = LocalWidthWindowSizeClass.current == WindowWidthSizeClass.Expanded
+    val flowScreenType = getFlowScreenType(isExpandedScreen, homeUiState)
+
+    val selectArticle: (String) -> Unit = { articleId ->
+        homeViewModel.selectArticle(articleId)
+    }
+
+    when (flowScreenType) {
+        FlowScreenType.FlowWithArticleDetails -> {
+            FlowWithArticleDetailsScreen(
+                navController = navController,
+                homeViewModel = homeViewModel,
+                flowViewModel = flowViewModel,
+                onArticleClick = selectArticle,
+            )
+
+            BackHandler {
+                homeViewModel.backToFeed()
+                navController.popBackStack()
+            }
+        }
+        FlowScreenType.Flow -> {
+            FlowPage(
+                navController = navController,
+                homeViewModel = homeViewModel,
+                flowViewModel = flowViewModel,
+                onArticleClick = selectArticle,
+            )
+        }
+        FlowScreenType.ArticleDetails -> {
+            ReadingPage(navController = navController, homeViewModel = homeViewModel)
+
+            BackHandler {
+                homeViewModel.backToFeed()
+            }
+        }
+    }
+}

app/src/main/java/me/ash/reader/ui/page/home/flow/FlowViewModel.kt

@@ -10,6 +10,7 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import me.ash.reader.domain.model.article.ArticleFlowItem
 import me.ash.reader.domain.model.article.ArticleWithFeed

app/src/main/java/me/ash/reader/ui/page/home/reading/ReadingPage.kt

@@ -75,10 +75,12 @@ fun ReadingPage(
     }
 
     val pagingItems = homeUiState.pagingData.collectAsLazyPagingItems().itemSnapshotList
+    val articleId = homeViewModel.homeUiState.collectAsStateValue().articleId
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(articleId) {
         navController.currentBackStackEntryFlow.collect {
-            it.arguments?.getString("articleId")?.let { articleId ->
+            val getArticleId : String? = articleId ?: it.arguments?.getString("articleId")
+            getArticleId?.let { articleId ->
                 if (readerState.articleId != articleId) {
                     readingViewModel.initData(articleId)
                 }

app/src/main/java/me/ash/reader/ui/page/home/reading/TopBar.kt

@@ -12,6 +12,7 @@ import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.TopAppBar
 import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.windowsizeclass.WindowWidthSizeClass
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -27,6 +28,7 @@ import me.ash.reader.ui.component.base.FeedbackIconButton
 import me.ash.reader.ui.component.base.RYExtensibleVisibility
 import me.ash.reader.ui.ext.surfaceColorAtElevation
 import me.ash.reader.ui.page.common.RouteName
+import me.ash.reader.ui.theme.palette.core.LocalWidthWindowSizeClass
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -41,6 +43,7 @@ fun TopBar(
     val context = LocalContext.current
     val tonalElevation = LocalReadingPageTonalElevation.current
     val sharedContent = LocalSharedContent.current
+    val isExpandedScreen = LocalWidthWindowSizeClass.current == WindowWidthSizeClass.Expanded
 
     Box(
         modifier = Modifier
@@ -54,12 +57,14 @@ fun TopBar(
                 modifier = Modifier,
                 windowInsets = windowInsets,
                 navigationIcon = {
-                    FeedbackIconButton(
-                        imageVector = Icons.Rounded.Close,
-                        contentDescription = stringResource(R.string.close),
-                        tint = MaterialTheme.colorScheme.onSurface
-                    ) {
-                        onClose()
+                    if (!isExpandedScreen) {
+                        FeedbackIconButton(
+                            imageVector = Icons.Rounded.Close,
+                            contentDescription = stringResource(R.string.close),
+                            tint = MaterialTheme.colorScheme.onSurface
+                        ) {
+                            onClose()
+                        }
                     }
                 },
                 actions = {