Now persist state through configuration changes in Search.

This CL adds logic to persist the search query and call
initiation type through configuration changes like device
rotation.

list of bugs:
https://docs.google.com/document/d/1GajzkAqXXRqbj_-qeYeDxIKr0fPsSZC3nXhRkIQg5tE/edit#heading=h.bopot1qivvxg

Bug: 65751247
Test: NSFT
PiperOrigin-RevId: 169146766
Change-Id: I7a68c01d5698c07a362ad621642a9138fd9a9aaa

2 files changed, 22 insertions, 3 deletions

diff --git a/java/com/android/dialer/searchfragment/list/NewSearchFragment.java b/java/com/android/dialer/searchfragment/list/NewSearchFragment.java
index 2527b87ee..036d53fb5 100644
--- a/java/com/android/dialer/searchfragment/list/NewSearchFragment.java
+++ b/java/com/android/dialer/searchfragment/list/NewSearchFragment.java
@@ -80,6 +80,9 @@ public final class NewSearchFragment extends Fragment
   private static final int REMOTE_DIRECTORIES_LOADER_ID = 2;
   private static final int REMOTE_CONTACTS_LOADER_ID = 3;
 
+  private static final String KEY_QUERY = "key_query";
+  private static final String KEY_CALL_INITIATION_TYPE = "key_call_initiation_type";
+
   private EmptyContentView emptyContentView;
   private RecyclerView recyclerView;
   private SearchAdapter adapter;
@@ -99,7 +102,7 @@ public final class NewSearchFragment extends Fragment
   @Nullable
   @Override
   public View onCreateView(
-      LayoutInflater inflater, @Nullable ViewGroup parent, @Nullable Bundle bundle) {
+      LayoutInflater inflater, @Nullable ViewGroup parent, @Nullable Bundle savedInstanceState) {
     View view = inflater.inflate(R.layout.fragment_search, parent, false);
     adapter = new SearchAdapter(getActivity(), new SearchCursorManager());
     adapter.setCallInitiationType(callInitiationType);
@@ -119,12 +122,25 @@ public final class NewSearchFragment extends Fragment
       initLoaders();
     }
 
+    if (savedInstanceState != null) {
+      setQuery(
+          savedInstanceState.getString(KEY_QUERY),
+          CallInitiationType.Type.forNumber(savedInstanceState.getInt(KEY_CALL_INITIATION_TYPE)));
+    }
+
     if (updatePositionRunnable != null) {
       ViewUtil.doOnPreDraw(view, false, updatePositionRunnable);
     }
     return view;
   }
 
+  @Override
+  public void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    outState.putInt(KEY_CALL_INITIATION_TYPE, callInitiationType.getNumber());
+    outState.putString(KEY_QUERY, query);
+  }
+
   private void initLoaders() {
     getLoaderManager().initLoader(CONTACTS_LOADER_ID, null, this);
     loadRemoteDirectoriesCursor();
diff --git a/java/com/android/dialer/searchfragment/list/SearchAdapter.java b/java/com/android/dialer/searchfragment/list/SearchAdapter.java
index 61055a0c1..3bfdd98f3 100644
--- a/java/com/android/dialer/searchfragment/list/SearchAdapter.java
+++ b/java/com/android/dialer/searchfragment/list/SearchAdapter.java
@@ -111,8 +111,11 @@ public final class SearchAdapter extends RecyclerView.Adapter<ViewHolder>
   }
 
   public void setContactsCursor(SearchCursor cursor) {
-    searchCursorManager.setContactsCursor(cursor);
-    notifyDataSetChanged();
+    if (searchCursorManager.setContactsCursor(cursor)) {
+      // Since this is a new contacts cursor, we need to reapply the filter.
+      searchCursorManager.setQuery(query);
+      notifyDataSetChanged();
+    }
   }
 
   void clear() {