Add option to only delete downloads from library

closes #1403

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

@@ -24,6 +24,7 @@ import android.view.ViewPropertyAnimator
 import android.view.ViewTreeObserver
 import android.view.inputmethod.InputMethodManager
 import android.widget.ImageView
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.view.ActionMode
 import androidx.coordinatorlayout.widget.CoordinatorLayout
@@ -94,6 +95,7 @@ import eu.kanade.tachiyomi.ui.source.globalsearch.GlobalSearchController
 import eu.kanade.tachiyomi.util.isLocal
 import eu.kanade.tachiyomi.util.moveCategories
 import eu.kanade.tachiyomi.util.system.contextCompatDrawable
+import eu.kanade.tachiyomi.util.system.disableItems
 import eu.kanade.tachiyomi.util.system.dpToPx
 import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.getResourceDrawable
@@ -1952,13 +1954,35 @@ class LibraryController(
             R.id.action_move_to_category -> showChangeMangaCategoriesSheet()
             R.id.action_share -> shareManga()
             R.id.action_delete -> {
+                val options = arrayOf(
+                    R.string.remove_downloads,
+                    R.string.remove_from_library,
+                )
+                    .map { activity!!.getString(it) }
                 activity!!.materialAlertDialog()
-                    .setMessage(R.string.remove_from_library_question)
+                    .setTitle(R.string.remove)
-                    .setPositiveButton(R.string.remove) { _, _ ->
+                    .setMultiChoiceItems(
+                        options.toTypedArray(),
+                        options.map { true }.toBooleanArray(),
+                    ) { dialog, position, _ ->
+                        if (position == 0) {
+                            val listView = (dialog as AlertDialog).listView
+                            listView.setItemChecked(position, true)
+                        }
+                    }
+                    .setPositiveButton(R.string.remove) { dialog, _ ->
+                        val listView = (dialog as AlertDialog).listView
+                        if (listView.isItemChecked(1)) {
                             deleteMangasFromLibrary()
+                        } else {
+                            val mangas = selectedMangas.toList()
+                            presenter.confirmDeletion(mangas, false)
+                        }
                     }
                     .setNegativeButton(android.R.string.cancel, null)
-                    .show()
+                    .show().apply {
+                        disableItems(arrayOf(options.first()))
+                    }
             }
             R.id.action_download_unread -> {
                 presenter.downloadUnread(selectedMangas.toList())

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

@@ -920,16 +920,21 @@ class LibraryPresenter(
     }
 
     /** Remove manga from the library and delete the downloads */
-    fun confirmDeletion(mangas: List<Manga>) {
+    fun confirmDeletion(mangas: List<Manga>, coverCacheToo: Boolean = true) {
         launchIO {
             val mangaToDelete = mangas.distinctBy { it.id }
             mangaToDelete.forEach { manga ->
+                if (coverCacheToo) {
                     coverCache.deleteFromCache(manga)
+                }
                 val source = sourceManager.get(manga.source) as? HttpSource
                 if (source != null) {
                     downloadManager.deleteManga(manga, source)
                 }
             }
+            if (!coverCacheToo) {
+                requestDownloadBadgesUpdate()
+            }
         }
     }
 

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

@@ -133,7 +133,6 @@
     <string name="updating_library">Updating library</string>
     <string name="selected_">Selected: %1$d</string>
     <string name="local">Local</string>
-    <string name="remove_from_library_question">Remove from library?</string>
     <string name="library_search_hint">Search title, tags, source</string>
     <string name="library_is_empty_add_from_browse">Your library is empty, add series to your
         library from the browse tab.</string>