Long press in global search to add to/remove from library

app/src/main/java/eu/kanade/tachiyomi/ui/migration/SearchController.kt

@@ -18,6 +18,8 @@ import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.ui.base.controller.DialogController
 import eu.kanade.tachiyomi.ui.main.BottomNavBarInterface
 import eu.kanade.tachiyomi.ui.migration.manga.process.MigrationListController
+import eu.kanade.tachiyomi.ui.source.browse.BrowseSourceItem
+import eu.kanade.tachiyomi.ui.source.global_search.GlobalSearchCardAdapter
 import eu.kanade.tachiyomi.ui.source.global_search.GlobalSearchController
 import eu.kanade.tachiyomi.ui.source.global_search.GlobalSearchPresenter
 import eu.kanade.tachiyomi.util.view.withFadeTransaction
@@ -126,8 +128,9 @@ class SearchController(
         dialog.showDialog(router)
     }
 
-    override fun onMangaLongClick(manga: Manga) {
+    override fun onMangaLongClick(position: Int, adapter: GlobalSearchCardAdapter) {
         // Call parent's default click listener
+        val manga = adapter.getItem(position)?.manga ?: return
         super.onMangaClick(manga)
     }
 

app/src/main/java/eu/kanade/tachiyomi/ui/source/global_search/GlobalSearchCardAdapter.kt

@@ -22,6 +22,6 @@ class GlobalSearchCardAdapter(controller: GlobalSearchController) :
      */
     interface OnMangaClickListener {
         fun onMangaClick(manga: Manga)
-        fun onMangaLongClick(manga: Manga)
+        fun onMangaLongClick(position: Int, adapter: GlobalSearchCardAdapter)
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/source/global_search/GlobalSearchController.kt

@@ -7,17 +7,23 @@ import android.view.MenuInflater
 import android.view.MenuItem
 import android.view.View
 import androidx.appcompat.widget.SearchView
+import com.google.android.material.snackbar.Snackbar
 import com.jakewharton.rxbinding.support.v7.widget.queryTextChangeEvents
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.databinding.SourceGlobalSearchControllerBinding
 import eu.kanade.tachiyomi.source.CatalogueSource
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
+import eu.kanade.tachiyomi.ui.main.MainActivity
 import eu.kanade.tachiyomi.ui.manga.MangaDetailsController
+import eu.kanade.tachiyomi.util.addOrRemoveToFavorites
 import eu.kanade.tachiyomi.util.view.activityBinding
 import eu.kanade.tachiyomi.util.view.scrollViewWith
+import eu.kanade.tachiyomi.util.view.snack
 import eu.kanade.tachiyomi.util.view.updatePaddingRelative
 import eu.kanade.tachiyomi.util.view.withFadeTransaction
+import uy.kohesive.injekt.injectLazy
 
 /**
  * This controller shows and manages the different search result in global search.
@@ -30,6 +36,11 @@ open class GlobalSearchController(
 ) : NucleusController<SourceGlobalSearchControllerBinding, GlobalSearchPresenter>(),
     GlobalSearchCardAdapter.OnMangaClickListener {
 
+    /**
+     * Preferences helper.
+     */
+    private val preferences: PreferencesHelper by injectLazy()
+
     /**
      * Adapter containing search results grouped by lang.
      */
@@ -37,6 +48,11 @@ open class GlobalSearchController(
 
     private var customTitle: String? = null
 
+    /**
+     * Snackbar containing an error message when a request fails.
+     */
+    private var snack: Snackbar? = null
+
     /**
      * Called when controller is initialized.
      */
@@ -79,9 +95,27 @@ open class GlobalSearchController(
      *
      * @param manga clicked item containing manga information.
      */
-    override fun onMangaLongClick(manga: Manga) {
-        // Delegate to single click by default.
-        onMangaClick(manga)
+    override fun onMangaLongClick(position: Int, adapter: GlobalSearchCardAdapter) {
+        val manga = adapter.getItem(position)?.manga ?: return
+
+        val view = view ?: return
+        val activity = activity ?: return
+        snack?.dismiss()
+        snack = manga.addOrRemoveToFavorites(
+            presenter.db,
+            preferences,
+            view,
+            activity,
+            onMangaAdded = {
+                adapter.notifyItemChanged(position)
+                snack = view.snack(R.string.added_to_library)
+            },
+            onMangaMoved = { adapter.notifyItemChanged(position) },
+            onMangaDeleted = { presenter.confirmDeletion(manga) }
+        )
+        if (snack?.duration == Snackbar.LENGTH_INDEFINITE) {
+            (activity as? MainActivity)?.setUndoSnackBar(snack)
+        }
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/source/global_search/GlobalSearchMangaHolder.kt

@@ -24,10 +24,7 @@ class GlobalSearchMangaHolder(view: View, adapter: GlobalSearchCardAdapter) :
             }
         }
         itemView.setOnLongClickListener {
-            val item = adapter.getItem(flexibleAdapterPosition)
-            if (item != null) {
-                adapter.mangaClickListener.onMangaLongClick(item.manga)
-            }
+            adapter.mangaClickListener.onMangaLongClick(flexibleAdapterPosition, adapter)
             true
         }
     }

app/src/main/java/eu/kanade/tachiyomi/ui/source/global_search/GlobalSearchPresenter.kt

@@ -1,8 +1,10 @@
 package eu.kanade.tachiyomi.ui.source.global_search
 
 import android.os.Bundle
+import eu.kanade.tachiyomi.data.cache.CoverCache
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.extension.ExtensionManager
@@ -38,7 +40,8 @@ open class GlobalSearchPresenter(
     private val sourcesToUse: List<CatalogueSource>? = null,
     val sourceManager: SourceManager = Injekt.get(),
     val db: DatabaseHelper = Injekt.get(),
-    private val preferencesHelper: PreferencesHelper = Injekt.get()
+    private val preferencesHelper: PreferencesHelper = Injekt.get(),
+    private val coverCache: CoverCache = Injekt.get()
 ) : BasePresenter<GlobalSearchController>() {
 
     /**
@@ -146,6 +149,14 @@ open class GlobalSearchPresenter(
         return GlobalSearchItem(source, results)
     }
 
+    fun confirmDeletion(manga: Manga) {
+        coverCache.deleteFromCache(manga)
+        val downloadManager: DownloadManager = Injekt.get()
+        sourceManager.get(manga.source)?.let { source ->
+            downloadManager.deleteManga(manga, source)
+        }
+    }
+
     /**
      * Initiates a search for manga per catalogue.
      *