Improve gallery list refresh

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java

@@ -287,7 +287,7 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
             }
         } else if (v == mRefreshFab) {
             toggleFabLayout();
-            mGalleryListHelper.goToTopAndRefresh();
+            mGalleryListHelper.refreshWithSameSearch();
         } else if (v == mGoToFab) {
             toggleFabLayout();
             // TODO do go to

app/src/main/java/com/hippo/ehviewer/widget/ContentLayout.java

@@ -405,6 +405,22 @@ public class ContentLayout extends FrameLayout {
             doRefresh();
         }
 
+        public void refreshWithSameSearch() {
+            if (mViewTransition.getShownViewIndex() == 0) {
+                // Go to top
+                mRecyclerView.stopScroll();
+                mLayoutManager.smoothScrollToPosition(mRecyclerView, null, 0);
+                // Show header refresh
+                mRefreshLayout.setFooterRefreshing(false);
+                mRefreshLayout.setHeaderRefreshing(true);
+                // Do refresh
+                doRefresh();
+            } else {
+                showProgressBar();
+                doRefresh();
+            }
+        }
+
         /**
          * Only work when data is loaded
          */