Use Voyager on Source Category screen

app/src/main/java/eu/kanade/presentation/category/SourceCategoryScreen.kt

@@ -1,32 +1,28 @@
 package eu.kanade.presentation.category
 
 import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
-import eu.kanade.presentation.category.components.CategoryCreateDialog
-import eu.kanade.presentation.category.components.CategoryDeleteDialog
 import eu.kanade.presentation.category.components.CategoryFloatingActionButton
-import eu.kanade.presentation.category.components.CategoryRenameDialog
 import eu.kanade.presentation.category.components.sources.SourceCategoryContent
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.components.EmptyScreen
-import eu.kanade.presentation.components.LoadingScreen
 import eu.kanade.presentation.components.Scaffold
 import eu.kanade.presentation.util.horizontalPadding
 import eu.kanade.presentation.util.plus
 import eu.kanade.presentation.util.topPaddingValues
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.category.sources.SourceCategoryPresenter
-import eu.kanade.tachiyomi.ui.category.sources.SourceCategoryPresenter.Dialog
-import eu.kanade.tachiyomi.util.system.toast
-import kotlinx.coroutines.flow.collectLatest
+import eu.kanade.tachiyomi.ui.category.sources.SourceCategoryScreenState
 
 @Composable
 fun SourceCategoryScreen(
-    presenter: SourceCategoryPresenter,
+    state: SourceCategoryScreenState.Success,
+    onClickCreate: () -> Unit,
+    onClickRename: (String) -> Unit,
+    onClickDelete: (String) -> Unit,
     navigateUp: () -> Unit,
 ) {
     val lazyListState = rememberLazyListState()
@@ -41,63 +37,24 @@ fun SourceCategoryScreen(
         floatingActionButton = {
             CategoryFloatingActionButton(
                 lazyListState = lazyListState,
-                onCreate = { presenter.dialog = Dialog.Create },
+                onCreate = onClickCreate,
             )
         },
     ) { paddingValues ->
-        val context = LocalContext.current
-        when {
-            presenter.isLoading -> LoadingScreen()
-            presenter.isEmpty -> EmptyScreen(textResource = R.string.information_empty_category)
-            else -> {
-                SourceCategoryContent(
-                    state = presenter,
-                    lazyListState = lazyListState,
-                    paddingValues = paddingValues + topPaddingValues + PaddingValues(horizontal = horizontalPadding),
-                )
-            }
+        if (state.isEmpty) {
+            EmptyScreen(
+                textResource = R.string.information_empty_category,
+                modifier = Modifier.padding(paddingValues),
+            )
+            return@Scaffold
         }
 
-        val onDismissRequest = { presenter.dialog = null }
-        when (val dialog = presenter.dialog) {
-            Dialog.Create -> {
-                CategoryCreateDialog(
-                    onDismissRequest = onDismissRequest,
-                    onCreate = { presenter.createCategory(it) },
-                    title = stringResource(R.string.action_add_category),
-                )
-            }
-            is Dialog.Rename -> {
-                CategoryRenameDialog(
-                    onDismissRequest = onDismissRequest,
-                    onRename = { presenter.renameCategory(dialog.category, it) },
-                    category = dialog.category,
-                )
-            }
-            is Dialog.Delete -> {
-                CategoryDeleteDialog(
-                    onDismissRequest = onDismissRequest,
-                    onDelete = { presenter.deleteCategory(dialog.category) },
-                    title = stringResource(R.string.delete_category),
-                    text = stringResource(R.string.delete_category_confirmation, dialog.category),
-                )
-            }
-            else -> {}
-        }
-        LaunchedEffect(Unit) {
-            presenter.events.collectLatest { event ->
-                when (event) {
-                    is SourceCategoryPresenter.Event.CategoryExists -> {
-                        context.toast(R.string.error_category_exists)
-                    }
-                    is SourceCategoryPresenter.Event.InternalError -> {
-                        context.toast(R.string.internal_error)
-                    }
-                    SourceCategoryPresenter.Event.InvalidName -> {
-                        context.toast(R.string.invalid_category_name)
-                    }
-                }
-            }
-        }
+        SourceCategoryContent(
+            categories = state.categories,
+            lazyListState = lazyListState,
+            paddingValues = paddingValues + topPaddingValues + PaddingValues(horizontal = horizontalPadding),
+            onClickRename = onClickRename,
+            onClickDelete = onClickDelete,
+        )
     }
 }

app/src/main/java/eu/kanade/presentation/category/SourceCategoryState.kt

@@ -1,27 +0,0 @@
-package eu.kanade.presentation.category
-
-import androidx.compose.runtime.Stable
-import androidx.compose.runtime.derivedStateOf
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.setValue
-import eu.kanade.tachiyomi.ui.category.sources.SourceCategoryPresenter
-
-@Stable
-interface SourceCategoryState {
-    val isLoading: Boolean
-    var dialog: SourceCategoryPresenter.Dialog?
-    val categories: List<String>
-    val isEmpty: Boolean
-}
-
-fun SourceCategoryState(): SourceCategoryState {
-    return SourceCategoryStateImpl()
-}
-
-class SourceCategoryStateImpl : SourceCategoryState {
-    override var isLoading: Boolean by mutableStateOf(true)
-    override var dialog: SourceCategoryPresenter.Dialog? by mutableStateOf(null)
-    override var categories: List<String> by mutableStateOf(emptyList())
-    override val isEmpty: Boolean by derivedStateOf { categories.isEmpty() }
-}

app/src/main/java/eu/kanade/presentation/category/components/sources/SourceCategoryContent.kt

@@ -7,28 +7,27 @@ import androidx.compose.foundation.lazy.items
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
-import eu.kanade.presentation.category.SourceCategoryState
 import eu.kanade.presentation.components.LazyColumn
-import eu.kanade.tachiyomi.ui.category.sources.SourceCategoryPresenter
 
 @Composable
 fun SourceCategoryContent(
-    state: SourceCategoryState,
+    categories: List<String>,
     lazyListState: LazyListState,
     paddingValues: PaddingValues,
+    onClickRename: (String) -> Unit,
+    onClickDelete: (String) -> Unit,
 ) {
-    val categories = state.categories
     LazyColumn(
         state = lazyListState,
         contentPadding = paddingValues,
         verticalArrangement = Arrangement.spacedBy(8.dp),
     ) {
-        items(categories) { category ->
+        items(categories, key = { it }) { category ->
             SourceCategoryListItem(
                 modifier = Modifier.animateItemPlacement(),
                 category = category,
-                onRename = { state.dialog = SourceCategoryPresenter.Dialog.Rename(category) },
-                onDelete = { state.dialog = SourceCategoryPresenter.Dialog.Delete(category) },
+                onRename = { onClickRename(category) },
+                onDelete = { onClickDelete(category) },
             )
         }
     }