feat(manga-folder): Allow open manga folder with system's File Manager (#920)

* feat(manga-folder): Allow open manga folder with system's File Manager

* Add error message for failed folder opening

app/src/main/java/eu/kanade/presentation/manga/MangaScreen.kt

@@ -201,6 +201,7 @@ fun MangaScreen(
     // KMK -->
     getMangaState: @Composable (Manga) -> State<Manga>,
     onClickSourceSettingsClicked: (() -> Unit)?,
+    onOpenMangaFolder: (() -> Unit)?,
     onRelatedMangasScreenClick: () -> Unit,
     onRelatedMangaClick: (Manga) -> Unit,
     onRelatedMangaLongClick: (Manga) -> Unit,
@@ -268,6 +269,7 @@ fun MangaScreen(
             // KMK -->
             getMangaState = getMangaState,
             onClickSourceSettingsClicked = onClickSourceSettingsClicked,
+            onOpenMangaFolder = onOpenMangaFolder,
             onRelatedMangasScreenClick = onRelatedMangasScreenClick,
             onRelatedMangaClick = onRelatedMangaClick,
             onRelatedMangaLongClick = onRelatedMangaLongClick,
@@ -328,6 +330,7 @@ fun MangaScreen(
             // KMK -->
             getMangaState = getMangaState,
             onClickSourceSettingsClicked = onClickSourceSettingsClicked,
+            onOpenMangaFolder = onOpenMangaFolder,
             onRelatedMangasScreenClick = onRelatedMangasScreenClick,
             onRelatedMangaClick = onRelatedMangaClick,
             onRelatedMangaLongClick = onRelatedMangaLongClick,
@@ -405,6 +408,7 @@ private fun MangaScreenSmallImpl(
     // KMK -->
     getMangaState: @Composable ((Manga) -> State<Manga>),
     onClickSourceSettingsClicked: (() -> Unit)?,
+    onOpenMangaFolder: (() -> Unit)?,
     onRelatedMangasScreenClick: () -> Unit,
     onRelatedMangaClick: (Manga) -> Unit,
     onRelatedMangaLongClick: (Manga) -> Unit,
@@ -487,6 +491,7 @@ private fun MangaScreenSmallImpl(
                 onClickEditInfo = onEditInfoClicked.takeIf { state.manga.favorite },
                 // KMK -->
                 onClickSourceSettings = onClickSourceSettingsClicked,
+                onOpenMangaFolder = onOpenMangaFolder,
                 onClickRelatedMangas = onRelatedMangasScreenClick.takeIf {
                     !expandRelatedMangas &&
                         showRelatedMangasInOverflow &&
@@ -870,6 +875,7 @@ private fun MangaScreenLargeImpl(
     // KMK -->
     getMangaState: @Composable ((Manga) -> State<Manga>),
     onClickSourceSettingsClicked: (() -> Unit)?,
+    onOpenMangaFolder: (() -> Unit)?,
     onRelatedMangasScreenClick: () -> Unit,
     onRelatedMangaClick: (Manga) -> Unit,
     onRelatedMangaLongClick: (Manga) -> Unit,
@@ -944,6 +950,7 @@ private fun MangaScreenLargeImpl(
                 onClickEditInfo = onEditInfoClicked.takeIf { state.manga.favorite },
                 // KMK -->
                 onClickSourceSettings = onClickSourceSettingsClicked,
+                onOpenMangaFolder = onOpenMangaFolder,
                 onClickRelatedMangas = onRelatedMangasScreenClick.takeIf {
                     !expandRelatedMangas &&
                         showRelatedMangasInOverflow &&

app/src/main/java/eu/kanade/presentation/manga/components/MangaToolbar.kt

@@ -52,11 +52,12 @@ fun MangaToolbar(
     onClickEditInfo: (() -> Unit)?,
     // KMK -->
     onClickRelatedMangas: (() -> Unit)?,
+    onClickSourceSettings: (() -> Unit)?,
+    onOpenMangaFolder: (() -> Unit)?,
     // KMK <--
     onClickRecommend: (() -> Unit)?,
     onClickMerge: (() -> Unit)?,
     onClickMergedSettings: (() -> Unit)?,
-    onClickSourceSettings: (() -> Unit)?,
     // SY <--
 
     // For action mode
@@ -234,6 +235,14 @@ fun MangaToolbar(
                     }
                     // SY <--
                     // KMK -->
+                    if (onOpenMangaFolder != null) {
+                        add(
+                            AppBar.OverflowAction(
+                                title = stringResource(KMR.strings.action_open_folder),
+                                onClick = onOpenMangaFolder,
+                            ),
+                        )
+                    }
                     if (onClickSourceSettings != null) {
                         add(
                             AppBar.OverflowAction(

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreen.kt

@@ -383,6 +383,8 @@ class MangaScreen(
                     else -> {}
                 }
             }.takeIf { isConfigurableSource },
+            onOpenMangaFolder = { screenModel.openMangaFolder() }
+                .takeIf { successState.source !is StubSource },
             onRelatedMangasScreenClick = {
                 if (successState.isRelatedMangasFetched == null) {
                     scope.launchIO { screenModel.fetchRelatedMangasFromSource(onDemand = true) }

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt

@@ -1,6 +1,8 @@
 package eu.kanade.tachiyomi.ui.manga
 
 import android.content.Context
+import android.content.Intent
+import android.provider.DocumentsContract
 import androidx.compose.material3.SnackbarDuration
 import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.SnackbarResult
@@ -50,6 +52,7 @@ import eu.kanade.presentation.util.formattedMessage
 import eu.kanade.tachiyomi.data.coil.getBestColor
 import eu.kanade.tachiyomi.data.download.DownloadCache
 import eu.kanade.tachiyomi.data.download.DownloadManager
+import eu.kanade.tachiyomi.data.download.DownloadProvider
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.track.EnhancedTracker
 import eu.kanade.tachiyomi.data.track.TrackerManager
@@ -152,13 +155,12 @@ import tachiyomi.domain.track.interactor.GetTracks
 import tachiyomi.domain.track.interactor.InsertTrack
 import tachiyomi.domain.track.model.Track
 import tachiyomi.i18n.MR
+import tachiyomi.i18n.kmk.KMR
 import tachiyomi.source.local.LocalSource
 import tachiyomi.source.local.isLocal
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
-import kotlin.collections.filter
-import kotlin.collections.forEach
 import kotlin.math.floor
 import androidx.compose.runtime.State as RuntimeState
 
@@ -178,6 +180,7 @@ class MangaScreenModel(
     // KMK -->
     private val sourcePreferences: SourcePreferences = Injekt.get(),
     private val refreshTracks: RefreshTracks = Injekt.get(),
+    private val downloadProvider: DownloadProvider = Injekt.get(),
     // KMK <--
     private val trackerManager: TrackerManager = Injekt.get(),
     private val trackChapter: TrackChapter = Injekt.get(),
@@ -886,6 +889,27 @@ class MangaScreenModel(
         }
     }
 
+    /**
+     * Opens manga folder with the system's file manager.
+     */
+    fun openMangaFolder() {
+        try {
+            val currentManga = manga
+            val currentSource = source
+            if (currentManga == null || currentSource == null || currentSource is StubSource) return
+
+            val mangaDir = downloadProvider.findMangaDir(/* SY --> */ currentManga.ogTitle /* SY <-- */, currentSource) ?: return
+            val intent = Intent(Intent.ACTION_VIEW).apply {
+                setDataAndType(mangaDir.uri, DocumentsContract.Document.MIME_TYPE_DIR)
+                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            }
+            context.startActivity(intent)
+        } catch (e: Exception) {
+            logcat(LogPriority.ERROR, e)
+            context.toast(e.message ?: context.stringResource(KMR.strings.error_opening_folder))
+        }
+    }
+
     /**
      * Get user categories.
      *

i18n-kmk/src/commonMain/moko-resources/base/strings.xml

@@ -14,12 +14,14 @@
     <string name="action_hide">Hide</string>
     <string name="action_show_hidden_categories">Show hidden categories</string>
     <string name="action_panorama_cover">Panorama cover</string>
+    <string name="action_open_folder">Open folder</string>
     <!-- Reader -->
       <!-- Reader Actions -->
     <string name="action_copy_to_clipboard_first_page">Copy first page to clipboard</string>
     <string name="action_copy_to_clipboard_second_page">Copy second page to clipboard</string>
     <string name="action_copy_to_clipboard_combined_page">Copy combined page to clipboard</string>
     <string name="pref_viewer_nav_smaller_tap_zone">Smaller tap zones</string>
+    <string name="error_opening_folder">Failed to open folder</string>
     <!-- Preferences -->
       <!-- Appearance section -->
     <string name="pref_custom_theme_style">Custom theme style</string>