Separated list and thread sorting

app/src/main/java/eu/faircode/email/ApplicationEx.java

@@ -139,6 +139,11 @@ public class ApplicationEx extends Application {
             String theme = prefs.getString("theme", "light");
             if ("grey".equals(theme))
                 editor.putString("theme", "grey_dark");
+
+            if (prefs.contains("ascending")) {
+                editor.putBoolean("ascending_list", prefs.getBoolean("ascending", false));
+                editor.remove("ascending");
+            }
         }
 
         if (BuildConfig.DEBUG && false) {

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -588,7 +588,8 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
         boolean compact = prefs.getBoolean("compact", false);
         int zoom = prefs.getInt("zoom", compact ? 0 : 1);
         String sort = prefs.getString("sort", "time");
-        boolean ascending = prefs.getBoolean("ascending", false);
+        boolean ascending = prefs.getBoolean(
+                viewType == AdapterMessage.ViewType.THREAD ? "ascending_thread" : "ascending_list", false);
         boolean filter_duplicates = prefs.getBoolean("filter_duplicates", false);
 
         adapter = new AdapterMessage(this, type, viewType, compact, zoom, sort, ascending, filter_duplicates, iProperties);
@@ -2470,7 +2471,8 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
     public void onPrepareOptionsMenu(Menu menu) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
         String sort = prefs.getString("sort", "time");
-        boolean ascending = prefs.getBoolean("ascending", false);
+        boolean ascending = prefs.getBoolean(
+                viewType == AdapterMessage.ViewType.THREAD ? "ascending_thread" : "ascending_list", false);
         boolean filter_seen = prefs.getBoolean("filter_seen", false);
         boolean filter_unflagged = prefs.getBoolean("filter_unflagged", false);
         boolean filter_snoozed = prefs.getBoolean("filter_snoozed", true);
@@ -2657,7 +2659,8 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
 
     private void onMenuAscending(boolean ascending) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
-        prefs.edit().putBoolean("ascending", ascending).apply();
+        prefs.edit().putBoolean(
+                viewType == AdapterMessage.ViewType.THREAD ? "ascending_thread" : "ascending_list", ascending).apply();
         adapter.setAscending(ascending);
         getActivity().invalidateOptionsMenu();
         loadMessages(true);

app/src/main/java/eu/faircode/email/ViewModelMessages.java

@@ -63,7 +63,7 @@ public class ViewModelMessages extends ViewModel {
             String thread, long id,
             String query, boolean server) {
 
-        Args args = new Args(context, type, account, folder, thread, id, query, server);
+        Args args = new Args(context, viewType, type, account, folder, thread, id, query, server);
         Log.i("Get model=" + viewType + " " + args);
         dump();
 
@@ -309,6 +309,7 @@ public class ViewModelMessages extends ViewModel {
         private boolean debug;
 
         Args(Context context,
+             AdapterMessage.ViewType viewType,
              String type, long account, long folder,
              String thread, long id,
              String query, boolean server) {
@@ -324,7 +325,8 @@ public class ViewModelMessages extends ViewModel {
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
             this.threading = prefs.getBoolean("threading", true);
             this.sort = prefs.getString("sort", "time");
-            this.ascending = prefs.getBoolean("ascending", false);
+            this.ascending = prefs.getBoolean(
+                    viewType == AdapterMessage.ViewType.THREAD ? "ascending_thread" : "ascending_list", false);
             this.filter_seen = prefs.getBoolean("filter_seen", false);
             this.filter_unflagged = prefs.getBoolean("filter_unflagged", false);
             this.filter_snoozed = prefs.getBoolean("filter_snoozed", true);