From fe8a0e6a57a26678b24a016c5b2b927a04654beb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BB=D0=B5=D0=BA=D1=81=D0=B0=D0=BD=D0=B4=D1=80=20?=
 =?UTF-8?q?=D0=97=D0=B0=D1=86=D0=B5=D0=BF=D0=B8=D0=BD?= <az@mapswithme.com>
Date: Mon, 18 May 2020 17:34:04 +0300
Subject: [PATCH] [android] Added checking on last owned category in bookmark
 list before allowing deletion

---
 .../mapswithme/maps/bookmarks/BookmarksListFragment.java  | 8 ++++++++
 .../maps/bookmarks/data/AbstractCategoriesSnapshot.java   | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/android/src/com/mapswithme/maps/bookmarks/BookmarksListFragment.java b/android/src/com/mapswithme/maps/bookmarks/BookmarksListFragment.java
index 7d7a156b1f..5c787ad60e 100644
--- a/android/src/com/mapswithme/maps/bookmarks/BookmarksListFragment.java
+++ b/android/src/com/mapswithme/maps/bookmarks/BookmarksListFragment.java
@@ -24,6 +24,7 @@ import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.mapswithme.maps.MwmActivity;
 import com.mapswithme.maps.R;
 import com.mapswithme.maps.base.BaseMwmRecyclerFragment;
+import com.mapswithme.maps.bookmarks.data.AbstractCategoriesSnapshot;
 import com.mapswithme.maps.bookmarks.data.BookmarkCategory;
 import com.mapswithme.maps.bookmarks.data.BookmarkInfo;
 import com.mapswithme.maps.bookmarks.data.BookmarkManager;
@@ -490,6 +491,12 @@ public class BookmarksListFragment extends BaseMwmRecyclerFragment<BookmarkListA
     return BookmarkManager.INSTANCE.isSearchAllowed(category.getId());
   }
 
+  private boolean isLastOwnedCategory()
+  {
+    AbstractCategoriesSnapshot snapshot = BookmarkManager.INSTANCE.getOwnedCategoriesSnapshot();
+    return snapshot.getItems().size() == 1;
+  }
+
   private void updateSortingProgressBar()
   {
     requireActivity().invalidateOptionsMenu();
@@ -720,6 +727,7 @@ public class BookmarksListFragment extends BaseMwmRecyclerFragment<BookmarkListA
 
       @BookmarkManager.SortingType int[] types = getAvailableSortingTypes();
       bs.getMenu().findItem(R.id.sort).setVisible(types.length > 0);
+      bs.getMenu().findItem(R.id.delete_category).setVisible(!isLastOwnedCategory());
 
       BottomSheetHelper.tint(bs);
       bs.show();
diff --git a/android/src/com/mapswithme/maps/bookmarks/data/AbstractCategoriesSnapshot.java b/android/src/com/mapswithme/maps/bookmarks/data/AbstractCategoriesSnapshot.java
index a34c2f18a6..129a26ccb7 100644
--- a/android/src/com/mapswithme/maps/bookmarks/data/AbstractCategoriesSnapshot.java
+++ b/android/src/com/mapswithme/maps/bookmarks/data/AbstractCategoriesSnapshot.java
@@ -17,7 +17,7 @@ public abstract class AbstractCategoriesSnapshot
   }
 
   @NonNull
-  protected List<BookmarkCategory> getItems()
+  public List<BookmarkCategory> getItems()
   {
     return mSnapshot;
   }