feat: implemented playlist deletion starting from current track

app/src/main/java/com/cappielloantonio/tempo/service/MediaManager.java

@@ -254,6 +254,21 @@ public class MediaManager {
         }
     }
 
+    public static void removeRange(ListenableFuture<MediaBrowser> mediaBrowserListenableFuture, List<Child> media, int fromItem, int toItem) {
+        if (mediaBrowserListenableFuture != null) {
+            mediaBrowserListenableFuture.addListener(() -> {
+                try {
+                    if (mediaBrowserListenableFuture.isDone()) {
+                        mediaBrowserListenableFuture.get().removeMediaItems(fromItem, toItem);
+                        removeRangeDatabase(media, fromItem, toItem);
+                    }
+                } catch (ExecutionException | InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }, MoreExecutors.directExecutor());
+        }
+    }
+
     public static void getCurrentIndex(ListenableFuture<MediaBrowser> mediaBrowserListenableFuture, MediaIndexCallback callback) {
         if (mediaBrowserListenableFuture != null) {
             mediaBrowserListenableFuture.addListener(() -> {
@@ -320,6 +335,14 @@ public class MediaManager {
         }
     }
 
+    private static void removeRangeDatabase(List<Child> media, int fromItem, int toItem) {
+        List<Child> toRemove = media.subList(fromItem, toItem);
+
+        media.removeAll(toRemove);
+
+        getQueueRepository().insertAll(media, true, 0);
+    }
+
     public static void clearDatabase() {
         getQueueRepository().deleteAll();
     }

app/src/main/java/com/cappielloantonio/tempo/ui/fragment/PlayerQueueFragment.java

@@ -93,6 +93,7 @@ public class PlayerQueueFragment extends Fragment implements ClickCallback {
             try {
                 MediaBrowser mediaBrowser = mediaBrowserListenableFuture.get();
                 initShuffleButton(mediaBrowser);
+                initCleanButton(mediaBrowser);
             } catch (Exception exception) {
                 exception.printStackTrace();
             }
@@ -197,6 +198,16 @@ public class PlayerQueueFragment extends Fragment implements ClickCallback {
         });
     }
 
+    private void initCleanButton(MediaBrowser mediaBrowser) {
+        bind.playerCleanQueueButton.setOnClickListener(view -> {
+            int startPosition = mediaBrowser.getCurrentMediaItemIndex() + 1;
+            int endPosition = playerSongQueueAdapter.getItems().size();
+
+            MediaManager.removeRange(mediaBrowserListenableFuture, playerSongQueueAdapter.getItems(), startPosition, endPosition);
+            bind.playerQueueRecyclerView.getAdapter().notifyItemRangeRemoved(startPosition, endPosition);
+        });
+    }
+
     private void updateNowPlayingItem() {
         playerSongQueueAdapter.notifyDataSetChanged();
     }

app/src/main/res/layout/inner_fragment_player_queue.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.coordinatorlayout.widget.CoordinatorLayout
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
@@ -10,14 +9,34 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
+        <androidx.core.widget.NestedScrollView
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:orientation="vertical"
+                android:paddingTop="8dp"
+                android:paddingBottom="@dimen/global_padding_bottom">
+
                 <androidx.recyclerview.widget.RecyclerView
                     android:id="@+id/player_queue_recycler_view"
                     android:layout_width="match_parent"
-            android:layout_height="match_parent"
+                    android:layout_height="wrap_content"
-            android:clipToPadding="false"
+                    android:orientation="vertical" />
-            android:orientation="vertical"
+
-            android:paddingTop="8dp"
+                <TextView
-            android:paddingBottom="@dimen/global_padding_bottom" />
+                    android:id="@+id/player_clean_queue_button"
+                    style="@style/TitleMedium"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center"
+                    android:layout_marginTop="24dp"
+                    android:text="@string/player_queue_clean_all_button"/>
+
+            </LinearLayout>
+        </androidx.core.widget.NestedScrollView>
     </com.cappielloantonio.tempo.helper.recyclerview.NestedScrollableHost>
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton

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

@@ -123,6 +123,7 @@
     <string name="menu_search_button">Search</string>
     <string name="menu_settings_button">Settings</string>
     <string name="player_playback_speed">%1$.2fx</string>
+    <string name="player_queue_clean_all_button">Clean play queue</string>
     <string name="player_server_priority">Server Priority</string>
     <string name="playlist_catalogue_title">Playlist Catalogue</string>
     <string name="playlist_catalogue_title_expanded">Browse Playlists</string>