fixup! Refactor getPageData

app/src/main/java/com/hippo/ehviewer/client/data/ListUrlBuilder.kt

@@ -355,8 +355,6 @@ open class ListUrlBuilder : Cloneable, Parcelable {
                 }
                 mJumpTo?.let {
                     ub.addQuery("seek", it)
-                    mPrev = null
-                    mNext = null
                 }
                 mPrev?.let {
                     ub.addQuery("prev", it)

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

@@ -568,7 +568,7 @@ public class FavoritesScene extends SearchBarScene implements
                 .setSelection(toDate)
                 .build();
         datePicker.show(requireActivity().getSupportFragmentManager(), "date-picker");
-        datePicker.addOnPositiveButtonClickListener(v -> mHelper.goTo(v));
+        datePicker.addOnPositiveButtonClickListener(v -> mHelper.goTo(v, true));
     }
 
     @Override

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

@@ -896,7 +896,7 @@ public final class GalleryListScene extends SearchBarScene
                     .setSelection(toDate)
                     .build();
             datePicker.show(requireActivity().getSupportFragmentManager(), "date-picker");
-            datePicker.addOnPositiveButtonClickListener(v -> mHelper.goTo(v));
+            datePicker.addOnPositiveButtonClickListener(v -> mHelper.goTo(v, true));
         }
     }
 

app/src/main/java/com/hippo/ehviewer/widget/GalleryInfoContentHelper.kt

@@ -91,11 +91,15 @@ abstract class GalleryInfoContentHelper : ContentHelper<GalleryInfo?>() {
         return super.restoreInstanceState(state)
     }
 
-    fun goTo(time: Long) {
+    fun goTo(time: Long, isNext: Boolean) {
         val formatter = DateTimeFormatter
             .ofPattern("yyyy-MM-dd", Locale.US).withZone(ZoneOffset.UTC)
         jumpTo = formatter.format(Instant.ofEpochMilli(time))
-        goTo(null, true)
+        if (isNext) {
+            goTo(mNext ?: "2", true)
+        } else {
+            goTo(mPrev, false)
+        }
         jumpTo = null
     }
 

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

@@ -227,8 +227,8 @@ public class ContentLayout extends FrameLayout {
          */
         private int mPages;
         private int mNextPage;
-        private String mPrev;
-        private String mNext;
+        protected String mPrev;
+        protected String mNext;
         private int mCurrentTaskId;
         private int mCurrentTaskType;
         private int mCurrentTaskPage;