Add ability to open random manga (#8232)

* Add ability to open random manga

* Use `getMangaForCategory` instead

* Put it in overflow menu instead of using EFAB

* Partial review changes

* Merge remote-tracking branch 'refs/remotes/origin/patch-6' into patch-6

# Conflicts:
#	app/src/main/java/eu/kanade/presentation/library/LibraryScreen.kt

* Merge remote-tracking branch 'refs/remotes/origin/patch-6' into patch-6

# Conflicts:
#	app/src/main/java/eu/kanade/presentation/library/LibraryScreen.kt

* Wording changes

app/src/main/java/eu/kanade/presentation/library/LibraryScreen.kt

@@ -36,6 +36,7 @@ fun LibraryScreen(
     onClickInvertSelection: () -> Unit,
     onClickFilter: () -> Unit,
     onClickRefresh: (Category?) -> Boolean,
+    onClickOpenRandomManga: () -> Unit,
 ) {
     Scaffold(
         topBar = { scrollBehavior ->
@@ -51,6 +52,7 @@ fun LibraryScreen(
                 onClickInvertSelection = onClickInvertSelection,
                 onClickFilter = onClickFilter,
                 onClickRefresh = { onClickRefresh(null) },
+                onClickOpenRandomManga = onClickOpenRandomManga,
                 scrollBehavior = scrollBehavior.takeIf { !tabVisible }, // For scroll overlay when no tab
             )
         },

app/src/main/java/eu/kanade/presentation/library/components/LibraryToolbar.kt

@@ -1,15 +1,17 @@
 package eu.kanade.presentation.library.components
 
 import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.FilterList
 import androidx.compose.material.icons.outlined.FlipToBack
-import androidx.compose.material.icons.outlined.Refresh
+import androidx.compose.material.icons.outlined.MoreVert
 import androidx.compose.material.icons.outlined.Search
 import androidx.compose.material.icons.outlined.SelectAll
+import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.LocalContentColor
@@ -17,6 +19,10 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarScrollBehavior
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalFocusManager
@@ -26,6 +32,7 @@ import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.sp
 import eu.kanade.presentation.components.AppBar
+import eu.kanade.presentation.components.DropdownMenu
 import eu.kanade.presentation.components.Pill
 import eu.kanade.presentation.components.SearchToolbar
 import eu.kanade.presentation.library.LibraryState
@@ -43,6 +50,7 @@ fun LibraryToolbar(
     onClickInvertSelection: () -> Unit,
     onClickFilter: () -> Unit,
     onClickRefresh: () -> Unit,
+    onClickOpenRandomManga: () -> Unit,
     scrollBehavior: TopAppBarScrollBehavior?,
 ) = when {
     state.selectionMode -> LibrarySelectionToolbar(
@@ -85,6 +93,7 @@ fun LibraryToolbar(
         onClickSearch = { state.searchQuery = "" },
         onClickFilter = onClickFilter,
         onClickRefresh = onClickRefresh,
+        onClickOpenRandomManga = onClickOpenRandomManga,
         scrollBehavior = scrollBehavior,
     )
 }
@@ -98,6 +107,7 @@ fun LibraryRegularToolbar(
     onClickSearch: () -> Unit,
     onClickFilter: () -> Unit,
     onClickRefresh: () -> Unit,
+    onClickOpenRandomManga: () -> Unit,
     scrollBehavior: TopAppBarScrollBehavior?,
 ) {
     val pillAlpha = if (isSystemInDarkTheme()) 0.12f else 0.08f
@@ -127,8 +137,34 @@ fun LibraryRegularToolbar(
             IconButton(onClick = onClickFilter) {
                 Icon(Icons.Outlined.FilterList, contentDescription = stringResource(R.string.action_filter), tint = filterTint)
             }
-            IconButton(onClick = onClickRefresh) {
-                Icon(Icons.Outlined.Refresh, contentDescription = stringResource(R.string.pref_category_library_update))
+            var moreExpanded by remember { mutableStateOf(false) }
+            Box {
+                IconButton(onClick = { moreExpanded = !moreExpanded }) {
+                    Icon(
+                        imageVector = Icons.Outlined.MoreVert,
+                        contentDescription = stringResource(R.string.abc_action_menu_overflow_description),
+                    )
+                }
+                val onDismissRequest = { moreExpanded = false }
+                DropdownMenu(
+                    expanded = moreExpanded,
+                    onDismissRequest = onDismissRequest,
+                ) {
+                    DropdownMenuItem(
+                        text = { Text(text = stringResource(R.string.pref_category_library_update)) },
+                        onClick = {
+                            onClickRefresh()
+                            onDismissRequest()
+                        },
+                    )
+                    DropdownMenuItem(
+                        text = { Text(text = stringResource(R.string.action_open_random_manga)) },
+                        onClick = {
+                            onClickOpenRandomManga()
+                            onDismissRequest()
+                        },
+                    )
+                }
             }
         },
         incognitoMode = incognitoMode,

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt

@@ -43,6 +43,8 @@ class LibraryController(
     @Composable
     override fun ComposeContent() {
         val context = LocalContext.current
+        val getMangaForCategory = presenter.getMangaForCategory(page = presenter.activeCategory)
+
         LibraryScreen(
             presenter = presenter,
             onMangaClicked = ::openManga,
@@ -60,6 +62,14 @@ class LibraryController(
                 context.toast(if (started) R.string.updating_category else R.string.update_already_running)
                 started
             },
+            onClickOpenRandomManga = {
+                val items = getMangaForCategory.map { it.libraryManga.manga.id }
+                if (getMangaForCategory.isNotEmpty()) {
+                    openManga(items.random())
+                } else {
+                    context.toast(R.string.information_no_entries_found)
+                }
+            },
             onClickInvertSelection = { presenter.invertSelection(presenter.activeCategory) },
             onClickSelectAll = { presenter.selectAll(presenter.activeCategory) },
             onClickUnselectAll = ::clearSelection,

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryPresenter.kt

@@ -526,7 +526,7 @@ class LibraryPresenter(
 
     @Composable
     fun getMangaForCategory(page: Int): List<LibraryItem> {
-        val unfiltered = remember(categories, loadedManga) {
+        val unfiltered = remember(categories, loadedManga, page) {
             val categoryId = categories.getOrNull(page)?.id ?: -1
             loadedManga[categoryId] ?: emptyList()
         }

i18n/src/main/res/values/strings.xml

@@ -72,6 +72,7 @@
     <string name="action_disable_all">Disable all</string>
     <string name="action_edit">Edit</string>
     <string name="action_add">Add</string>
+    <string name="action_open_random_manga">Open random entry</string>
     <string name="action_add_category">Add category</string>
     <string name="action_edit_categories">Edit categories</string>
     <string name="action_rename_category">Rename category</string>
@@ -842,6 +843,7 @@
     <string name="information_no_recent">No recent updates</string>
     <string name="information_no_recent_manga">Nothing read recently</string>
     <string name="information_empty_library">Your library is empty</string>
+    <string name="information_no_entries_found">No entries found in this category</string>
     <string name="getting_started_guide">Getting started guide</string>
     <string name="information_empty_category">You have no categories. Tap the plus button to create one for organizing your library.</string>
     <string name="information_empty_category_dialog">You don\'t have any categories yet.</string>