Optimize danmaku load

app/src/leanback/res/layout/activity_video.xml

@@ -30,8 +30,7 @@
         <master.flame.danmaku.ui.widget.DanmakuView
             android:id="@+id/danmaku"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:visibility="gone" />
+            android:layout_height="match_parent" />
 
         <include
             android:id="@+id/widget"

app/src/main/java/com/fongmi/android/tv/bean/Danmaku.java

@@ -2,10 +2,11 @@ package com.fongmi.android.tv.bean;
 
 import android.text.TextUtils;
 
+import androidx.annotation.Nullable;
+
 import com.google.gson.annotations.SerializedName;
 
 import java.io.File;
-import java.util.List;
 
 public class Danmaku {
 
@@ -16,7 +17,7 @@ public class Danmaku {
 
     private boolean selected;
 
-    public static List<Danmaku> from(String path) {
+    public static Danmaku from(String path) {
         if (path.startsWith("http")) {
             return http(path);
         } else {
@@ -24,18 +25,18 @@ public class Danmaku {
         }
     }
 
-    public static List<Danmaku> http(String path) {
+    public static Danmaku http(String path) {
         Danmaku danmaku = new Danmaku();
         danmaku.setName(path);
         danmaku.setUrl(path);
-        return List.of(danmaku);
+        return danmaku;
     }
 
-    public static List<Danmaku> file(String path) {
+    public static Danmaku file(String path) {
         Danmaku danmaku = new Danmaku();
         danmaku.setName(new File(path).getName());
         danmaku.setUrl("file:/" + path);
-        return List.of(danmaku);
+        return danmaku;
     }
 
     public static Danmaku empty() {
@@ -69,4 +70,12 @@ public class Danmaku {
     public boolean isEmpty() {
         return getUrl().isEmpty();
     }
+
+    @Override
+    public boolean equals(@Nullable Object obj) {
+        if (this == obj) return true;
+        if (!(obj instanceof Danmaku)) return false;
+        Danmaku it = (Danmaku) obj;
+        return getUrl().equals(it.getUrl());
+    }
 }

app/src/main/java/com/fongmi/android/tv/gson/DanmakuAdapter.java

@@ -9,6 +9,7 @@ import com.google.gson.JsonElement;
 import com.google.gson.JsonParseException;
 
 import java.lang.reflect.Type;
+import java.util.Arrays;
 import java.util.List;
 
 public class DanmakuAdapter implements JsonDeserializer<List<Danmaku>> {
@@ -18,6 +19,6 @@ public class DanmakuAdapter implements JsonDeserializer<List<Danmaku>> {
         if (!json.isJsonPrimitive()) return App.gson().fromJson(json, typeOfT);
         String text = json.getAsString().trim();
         if (Json.isArray(text)) return App.gson().fromJson(text, typeOfT);
-        else return Danmaku.from(text);
+        else return Arrays.asList(Danmaku.from(text));
     }
 }

app/src/main/java/com/fongmi/android/tv/player/Players.java

@@ -16,7 +16,6 @@ import android.support.v4.media.session.MediaControllerCompat;
 import android.support.v4.media.session.MediaSessionCompat;
 import android.support.v4.media.session.PlaybackStateCompat;
 import android.text.TextUtils;
-import android.view.View;
 
 import androidx.annotation.NonNull;
 import androidx.media3.common.AudioAttributes;
@@ -464,7 +463,7 @@ public class Players implements Player.Listener, ParseCallback, DrawHandler.Call
 
     private void setMediaItem(Result result, int timeout) {
         setMediaItem(result.getHeaders(), result.getRealUrl(), result.getFormat(), result.getDrm(), result.getSubs(), timeout);
-        setDanmaku(result.getDanmaku());
+        setDanmaku(danmakus = result.getDanmaku());
     }
 
     private void setMediaItem(Map<String, String> headers, String url, String format, Drm drm, List<Sub> subs, int timeout) {
@@ -476,18 +475,17 @@ public class Players implements Player.Listener, ParseCallback, DrawHandler.Call
         prepare();
     }
 
-    public void setDanmaku(List<Danmaku> items) {
-        danmakus = items;
-        danmaku.release();
-        danmaku.setVisibility(items.isEmpty() ? View.GONE : View.VISIBLE);
-        if (!items.isEmpty()) App.execute(() -> danmaku.prepare(new Parser().load(new Loader(items.get(0)).getDataSource()), context));
-        if (!items.isEmpty()) items.get(0).setSelected(true);
+    private void setDanmaku(List<Danmaku> items) {
+        if (items.isEmpty()) danmaku.release();
+        else setDanmaku(items.get(0));
     }
 
     public void setDanmaku(Danmaku item) {
         danmaku.release();
-        danmaku.setVisibility(item.isEmpty() ? View.GONE : View.VISIBLE);
+        if (danmakus == null) danmakus = new ArrayList<>();
+        if (!item.isEmpty() && !danmakus.contains(item)) danmakus.add(0, item);
         if (!item.isEmpty()) App.execute(() -> danmaku.prepare(new Parser().load(new Loader(item).getDataSource()), context));
+        for (int i = 0; i < danmakus.size(); i++) danmakus.get(i).setSelected(danmakus.get(i).getUrl().equals(item.getUrl()) && !danmakus.get(i).isSelected());
     }
 
     public void setDanmakuSize(float size) {

app/src/main/java/com/fongmi/android/tv/ui/adapter/DanmakuAdapter.java

@@ -69,10 +69,7 @@ public class DanmakuAdapter extends RecyclerView.Adapter<DanmakuAdapter.ViewHold
 
         @Override
         public void onClick(View view) {
-            for (int i = 0; i < mItems.size(); i++) mItems.get(i).setSelected(i == getLayoutPosition() && !mItems.get(i).isSelected());
-            Danmaku item = mItems.get(getLayoutPosition());
-            notifyItemChanged(getLayoutPosition());
-            mListener.onItemClick(item);
+            mListener.onItemClick(mItems.get(getLayoutPosition()));
         }
     }
 }

app/src/main/java/com/fongmi/android/tv/ui/dialog/DanmakuDialog.java

@@ -73,7 +73,7 @@ public final class DanmakuDialog extends BaseDialog implements DanmakuAdapter.On
 
     @Override
     public void onItemClick(Danmaku item) {
-        player.setDanmaku(item.isSelected() ? item : Danmaku.empty());
+        player.setDanmaku(item.isSelected() ? Danmaku.empty() : item);
         dismiss();
     }
 

app/src/mobile/res/layout-sw600dp/activity_video.xml

@@ -31,8 +31,7 @@
             <master.flame.danmaku.ui.widget.DanmakuView
                 android:id="@+id/danmaku"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:visibility="gone" />
+                android:layout_height="match_parent" />
 
             <include
                 android:id="@+id/widget"

app/src/mobile/res/layout/activity_video.xml

@@ -24,8 +24,7 @@
         <master.flame.danmaku.ui.widget.DanmakuView
             android:id="@+id/danmaku"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:visibility="gone" />
+            android:layout_height="match_parent" />
 
         <include
             android:id="@+id/widget"