-Modified selected play queue item to highlight entire item instead of text.

-Added selected item bullet.
-Modified play queue panel darker on main video player.
-Fixed color issue on play queue panel on light-themed main video player.
-Fixed hold-to-enqueue tooltip flashing when clicked on earlier sdk versions.
-Fixed queue item removal causing metadata for currently playing to refresh.

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -483,9 +483,12 @@ public class VideoDetailFragment extends BaseStateFragment<StreamInfo> implement
                 if (!PreferenceManager.getDefaultSharedPreferences(activity).getBoolean(getString(R.string.show_hold_to_append_key), true)) return false;
 
                 if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
-                    appendControlsDetail.setVisibility(View.VISIBLE);
-                } else {
-                    appendControlsDetail.setVisibility(View.GONE);
+                    animateView(appendControlsDetail, true, 250, 0, new Runnable() {
+                        @Override
+                        public void run() {
+                            animateView(appendControlsDetail, false, 1500, 1000);
+                        }
+                    });
                 }
                 return false;
             }

app/src/main/java/org/schabi/newpipe/player/playback/MediaSourceManager.java

@@ -178,7 +178,8 @@ public class MediaSourceManager {
             case REMOVE:
                 final RemoveEvent removeEvent = (RemoveEvent) event;
                 remove(removeEvent.getRemoveIndex());
-                sync();
+                // Sync only when the currently playing is removed
+                if (removeEvent.getQueueIndex() == removeEvent.getRemoveIndex()) sync();
                 break;
             case MOVE:
                 final MoveEvent moveEvent = (MoveEvent) event;

app/src/main/java/org/schabi/newpipe/playlist/PlayQueueAdapter.java

@@ -188,10 +188,15 @@ public class PlayQueueAdapter extends RecyclerView.Adapter<RecyclerView.ViewHold
     @Override
     public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
         if(holder instanceof PlayQueueItemHolder) {
+            final PlayQueueItemHolder itemHolder = (PlayQueueItemHolder) holder;
+
             // Build the list item
-            playQueueItemBuilder.buildStreamInfoItem((PlayQueueItemHolder) holder, playQueue.getStreams().get(position));
+            playQueueItemBuilder.buildStreamInfoItem(itemHolder, playQueue.getStreams().get(position));
+
             // Check if the current item should be selected/highlighted
-            holder.itemView.setSelected(playQueue.getIndex() == position);
+            final boolean isSelected = playQueue.getIndex() == position;
+            itemHolder.itemSelected.setVisibility(isSelected ? View.VISIBLE : View.INVISIBLE);
+            itemHolder.itemView.setSelected(isSelected);
         } else if(holder instanceof HFHolder && position == playQueue.getStreams().size() && footer != null && showFooter) {
             ((HFHolder) holder).view = footer;
         }

app/src/main/java/org/schabi/newpipe/playlist/PlayQueueItemHolder.java

@@ -32,7 +32,7 @@ import org.schabi.newpipe.info_list.holder.InfoItemHolder;
 public class PlayQueueItemHolder extends RecyclerView.ViewHolder {
 
     public final TextView itemVideoTitleView, itemDurationView, itemAdditionalDetailsView;
-    public final ImageView itemThumbnailView, itemHandle;
+    public final ImageView itemSelected, itemThumbnailView, itemHandle;
 
     public final View itemRoot;
 
@@ -42,6 +42,7 @@ public class PlayQueueItemHolder extends RecyclerView.ViewHolder {
         itemVideoTitleView = v.findViewById(R.id.itemVideoTitleView);
         itemDurationView = v.findViewById(R.id.itemDurationView);
         itemAdditionalDetailsView = v.findViewById(R.id.itemAdditionalDetails);
+        itemSelected = v.findViewById(R.id.itemSelected);
         itemThumbnailView = v.findViewById(R.id.itemThumbnailView);
         itemHandle = v.findViewById(R.id.itemHandle);
     }

app/src/main/res/color/dark_selector.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_selected="true" android:color="@color/dark_youtube_primary_color"/>
-    <item android:color="@color/dark_youtube_accent_color"/>
-</selector>

app/src/main/res/color/light_selector.xml

@@ -1,5 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_selected="true" android:color="@color/light_youtube_primary_color"/>
-    <item android:color="@color/light_youtube_accent_color"/>
-</selector>

app/src/main/res/drawable/dark_selector.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true" android:drawable="@color/selected_background_color"/>
+    <item android:drawable="@color/transparent_background_color"/>
+</selector>

app/src/main/res/drawable/light_selector.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_selected="true" android:drawable="@color/selected_background_color"/>
+    <item android:drawable="@color/transparent_background_color"/>
+</selector>

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

@@ -46,8 +46,8 @@
         android:id="@+id/playQueuePanel"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:background="#64000000"
         android:visibility="gone"
+        android:background="?attr/queue_background_color"
         tools:visibility="visible">
 
         <RelativeLayout
@@ -68,6 +68,7 @@
                 android:clickable="true"
                 android:focusable="true"
                 android:scaleType="fitXY"
+                android:tint="?attr/colorAccent"
                 android:src="@drawable/ic_close_white_24dp"
                 android:background="?android:selectableItemBackground"
                 tools:ignore="ContentDescription"/>
@@ -85,6 +86,7 @@
                 android:clickable="true"
                 android:focusable="true"
                 android:scaleType="fitXY"
+                android:tint="?attr/colorAccent"
                 android:src="@drawable/exo_controls_repeat_off"
                 android:background="?android:selectableItemBackground"
                 tools:ignore="ContentDescription,RtlHardcoded"/>
@@ -99,6 +101,7 @@
                 android:clickable="true"
                 android:focusable="true"
                 android:scaleType="fitXY"
+                android:tint="?attr/colorAccent"
                 android:src="@drawable/ic_shuffle_white_24dp"
                 android:background="?android:selectableItemBackground"
                 tools:ignore="ContentDescription,RtlHardcoded"/>

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

@@ -5,17 +5,32 @@
     android:id="@+id/itemRoot"
     android:layout_width="match_parent"
     android:layout_height="48dp"
-    android:background="?attr/selectableItemBackground"
+    android:foreground="?attr/selectableItemBackground"
+    android:background="?attr/selector_drawable"
     android:clickable="true"
     android:focusable="true"
-    android:padding="6dp">
+    android:paddingTop="6dp"
+    android:paddingBottom="6dp">
+
+    <ImageView
+        android:id="@+id/itemSelected"
+        android:layout_width="10dp"
+        android:layout_height="10dp"
+        android:layout_centerInParent="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_marginLeft="2dp"
+        android:layout_marginRight="2dp"
+        android:scaleType="fitXY"
+        android:src="?attr/selected"
+        tools:ignore="ContentDescription,RtlHardcoded"/>
 
     <ImageView
         android:id="@+id/itemThumbnailView"
         android:layout_width="@dimen/play_queue_thumbnail_width"
         android:layout_height="@dimen/play_queue_thumbnail_height"
-        android:layout_alignParentLeft="true"
-        android:layout_alignParentStart="true"
+        android:layout_toRightOf="@+id/itemSelected"
+        android:layout_toEndOf="@+id/itemSelected"
         android:layout_alignParentTop="true"
         android:layout_marginRight="@dimen/video_item_search_image_right_margin"
         android:contentDescription="@string/list_thumbnail_view_description"
@@ -29,8 +44,7 @@
         android:layout_height="match_parent"
         android:layout_gravity="center_vertical"
         android:layout_alignParentRight="true"
-        android:layout_marginLeft="10dp"
-        android:layout_marginRight="5dp"
+        android:padding="@dimen/video_item_search_image_right_margin"
         android:scaleType="center"
         android:src="?attr/drag_handle"
         tools:ignore="ContentDescription,RtlHardcoded"/>
@@ -69,7 +83,6 @@
         android:maxLines="1"
         android:textAppearance="?android:attr/textAppearanceLarge"
         android:textSize="@dimen/video_item_search_title_text_size"
-        android:textColor="?attr/selector_color"
         tools:text="Lorem ipsum dolor sit amet, consectetur adipiscing elit. "/>
 
     <TextView
@@ -84,7 +97,6 @@
         android:lines="1"
         android:textAppearance="?android:attr/textAppearanceSmall"
         android:textSize="@dimen/video_item_search_upload_date_text_size"
-        android:textColor="?attr/selector_color"
         tools:text="Uploader"/>
 
 </RelativeLayout>

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

@@ -19,11 +19,13 @@
     <attr name="language" format="reference"/>
     <attr name="history" format="reference"/>
     <attr name="drag_handle" format="reference"/>
+    <attr name="selected" format="reference"/>
 
     <!-- Can't refer to colors directly into drawable's xml-->
     <attr name="toolbar_shadow_drawable" format="reference"/>
+    <attr name="selector_drawable" format="reference"/>
 
-    <attr name="selector_color" format="color"/>
     <attr name="separator_color" format="color"/>
+    <attr name="queue_background_color" format="color"/>
     <attr name="contrast_background_color" format="color"/>
 </resources>

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

@@ -12,6 +12,7 @@
     <color name="light_shadow_start_color">#5a000000</color>
     <color name="light_license_background_color">#ffffff</color>
     <color name="light_license_text_color">#212121</color>
+    <color name="light_queue_background_color">#c8ffffff</color>
 
     <!-- Dark Theme -->
     <color name="dark_background_color">#222222</color>
@@ -24,6 +25,7 @@
     <color name="dark_shadow_start_color">#82000000</color>
     <color name="dark_license_background_color">#424242</color>
     <color name="dark_license_text_color">#ffffff</color>
+    <color name="dark_queue_background_color">#af000000</color>
 
     <!-- Black Theme -->
     <color name="black_background_color">#000</color>
@@ -44,6 +46,9 @@
     <color name="subscribed_background_color">#d6d6d6</color>
     <color name="subscribed_text_color">#717171</color>
 
+    <color name="transparent_background_color">#00000000</color>
+    <color name="selected_background_color">#96717171</color>
+
     <!-- GigaGet theme -->
     <color name="bluegray">#607D8B</color>
 

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

@@ -26,11 +26,13 @@
         <item name="language">@drawable/ic_language_black_24dp</item>
         <item name="history">@drawable/ic_history_black_24dp</item>
         <item name="drag_handle">@drawable/ic_drag_handle_black_24dp</item>
+        <item name="selected">@drawable/ic_fiber_manual_record_black_24dp</item>
 
-        <item name="selector_color">@color/light_selector</item>
         <item name="separator_color">@color/light_separator_color</item>
         <item name="contrast_background_color">@color/light_contrast_background_color</item>
+        <item name="queue_background_color">@color/light_queue_background_color</item>
         <item name="toolbar_shadow_drawable">@drawable/toolbar_shadow_light</item>
+        <item name="selector_drawable">@drawable/light_selector</item>
         <item name="colorControlHighlight">@color/light_ripple_color</item>
 
         <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
@@ -62,11 +64,13 @@
         <item name="language">@drawable/ic_language_white_24dp</item>
         <item name="history">@drawable/ic_history_white_24dp</item>
         <item name="drag_handle">@drawable/ic_drag_handle_white_24dp</item>
+        <item name="selected">@drawable/ic_fiber_manual_record_white_24dp</item>
 
-        <item name="selector_color">@color/dark_selector</item>
         <item name="separator_color">@color/dark_separator_color</item>
         <item name="contrast_background_color">@color/dark_contrast_background_color</item>
+        <item name="queue_background_color">@color/dark_queue_background_color</item>
         <item name="toolbar_shadow_drawable">@drawable/toolbar_shadow_dark</item>
+        <item name="selector_drawable">@drawable/dark_selector</item>
         <item name="colorControlHighlight">@color/dark_ripple_color</item>
 
         <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>