refactor(BubbleTimelineFragment.java): add BubbleTimelineFragment back

mastodon/src/main/java/org/joinmastodon/android/fragments/discover/BubbleTimelineFragment.java

@@ -0,0 +1,68 @@
+package org.joinmastodon.android.fragments.discover;
+
+import android.net.Uri;
+import android.os.Bundle;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import org.joinmastodon.android.api.requests.timelines.GetBubbleTimeline;
+import org.joinmastodon.android.api.session.AccountSessionManager;
+import org.joinmastodon.android.fragments.StatusListFragment;
+import org.joinmastodon.android.model.FilterContext;
+import org.joinmastodon.android.model.Status;
+import org.joinmastodon.android.ui.utils.DiscoverInfoBannerHelper;
+
+import java.util.List;
+
+import me.grishka.appkit.api.SimpleCallback;
+import me.grishka.appkit.utils.MergeRecyclerAdapter;
+
+public class BubbleTimelineFragment extends StatusListFragment {
+    private DiscoverInfoBannerHelper bannerHelper;
+
+	@Override
+	public void onCreate(Bundle savedInstanceState){
+		super.onCreate(savedInstanceState);
+		bannerHelper=new DiscoverInfoBannerHelper(DiscoverInfoBannerHelper.BannerType.BUBBLE_TIMELINE, accountID);
+	}
+
+
+	@Override
+    protected boolean wantsComposeButton() {
+        return true;
+    }
+
+	@Override
+    protected void doLoadData(int offset, int count){
+        currentRequest=new GetBubbleTimeline(getMaxID(), count, getLocalPrefs().timelineReplyVisibility)
+                .setCallback(new SimpleCallback<>(this){
+                    @Override
+                    public void onSuccess(List<Status> result){
+						if(getActivity()==null) return;
+						boolean more=applyMaxID(result);
+						AccountSessionManager.get(accountID).filterStatuses(result, getFilterContext());
+						onDataLoaded(result, more);
+						bannerHelper.onBannerBecameVisible();
+                    }
+                })
+                .exec(accountID);
+    }
+
+	@Override
+	protected RecyclerView.Adapter<?> getAdapter(){
+		MergeRecyclerAdapter adapter=new MergeRecyclerAdapter();
+		bannerHelper.maybeAddBanner(list, adapter);
+		adapter.addAdapter(super.getAdapter());
+		return adapter;
+	}
+
+	@Override
+    protected FilterContext getFilterContext() {
+        return FilterContext.PUBLIC;
+    }
+
+    @Override
+    public Uri getWebUri(Uri.Builder base) {
+        return isInstanceAkkoma() ? base.path("/main/bubble").build() : null;
+    }
+}