Limit unified folder type search

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

@@ -2348,6 +2348,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
         BoundaryCallbackMessages.SearchCriteria criteria = new BoundaryCallbackMessages.SearchCriteria();
         criteria.with_flagged = true;
         criteria.with_flag_color = args.getInt("color");
+        criteria.with_folder_type = args.getString("type");
 
         final long account = args.getLong("account", -1);
         final long folder = args.getLong("folder", -1);

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

@@ -128,6 +128,9 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
         this.server = server;
         this.criteria = criteria;
         this.pageSize = pageSize;
+
+        if (this.folder != null || EntityFolder.INBOX.equals(this.criteria.with_folder_type))
+            this.criteria.with_folder_type = null;
     }
 
     State setCallback(IBoundaryCallbackMessages intf) {
@@ -829,6 +832,13 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
                 return false;
         }
 
+        if (criteria.with_folder_type != null) {
+            DB db = DB.getInstance(context);
+            EntityFolder folder = db.folder().getFolder(message.folder);
+            if (folder != null && !criteria.with_folder_type.equals(folder.type))
+                return false;
+        }
+
         if (criteria.in_senders) {
             if (contains(message.from, criteria.query, partial))
                 return true;
@@ -1059,6 +1069,7 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
         Long after = null;
         Long before = null;
         Integer touched = null;
+        String with_folder_type = null;
 
         private static final String FROM = "from:";
         private static final String TO = "to:";
@@ -1318,6 +1329,8 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
                         Helper.humanReadableByteCount(with_size)));
             if (touched != null)
                 flags.add(context.getString(R.string.title_search_flag_touched));
+            if (with_folder_type != null)
+                flags.add(EntityFolder.localizeType(context, with_folder_type));
             return (query == null ? "" : query + " ")
                     + (flags.size() > 0 ? "+" : "")
                     + TextUtils.join(",", flags);
@@ -1351,7 +1364,8 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
                         this.in_junk == other.in_junk &&
                         Objects.equals(this.after, other.after) &&
                         Objects.equals(this.before, other.before) &&
-                        Objects.equals(this.touched, other.touched));
+                        Objects.equals(this.touched, other.touched) &&
+                        Objects.equals(this.with_folder_type, other.with_folder_type));
             } else
                 return false;
         }
@@ -1406,6 +1420,9 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
             if (touched != null)
                 json.put("touched", touched);
 
+            if (with_folder_type != null)
+                json.put("with_folder_type", with_folder_type);
+
             return json;
         }
 
@@ -1460,6 +1477,9 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
             if (json.has("touched"))
                 criteria.touched = json.getInt("touched");
 
+            if (json.has("with_folder_type"))
+                criteria.with_folder_type = json.getString("with_folder_type");
+
             return criteria;
         }
 
@@ -1489,7 +1509,8 @@ public class BoundaryCallbackMessages extends PagedList.BoundaryCallback<TupleMe
                     " junk=" + in_junk +
                     " after=" + (after == null ? "" : new Date(after)) +
                     " before=" + (before == null ? "" : new Date(before)) +
-                    " touched=" + touched;
+                    " touched=" + touched +
+                    " folder_type=" + with_folder_type;
         }
     }
 }

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

@@ -73,6 +73,7 @@ public class FragmentDialogSearch extends FragmentDialogBase {
         final Bundle args = getArguments();
         final long account = args.getLong("account", -1);
         final long folder = args.getLong("folder", -1);
+        final String type = args.getString("type");
 
         final Context context = getContext();
         final boolean pro = ActivityBilling.isPro(context);
@@ -473,6 +474,7 @@ public class FragmentDialogSearch extends FragmentDialogBase {
                             criteria.in_filenames = cbFileNames.isChecked();
                             criteria.in_headers = cbHeaders.isChecked();
                             criteria.in_html = cbHtml.isChecked();
+                            criteria.with_folder_type = type;
                             criteria.with_unseen = cbUnseen.isChecked();
                             criteria.with_flagged = cbFlagged.isChecked();
                             criteria.with_hidden = cbHidden.isChecked();
@@ -586,6 +588,7 @@ public class FragmentDialogSearch extends FragmentDialogBase {
                 dialog.dismiss();
 
                 BoundaryCallbackMessages.SearchCriteria criteria = new BoundaryCallbackMessages.SearchCriteria();
+                criteria.with_folder_type = type;
                 int id = v.getId();
                 if (id == R.id.ibFlagged)
                     criteria.with_flagged = true;
@@ -638,6 +641,7 @@ public class FragmentDialogSearch extends FragmentDialogBase {
                 dialog.dismiss();
 
                 BoundaryCallbackMessages.SearchCriteria criteria = new BoundaryCallbackMessages.SearchCriteria();
+                criteria.with_folder_type = type;
                 criteria.touched = RECENTLY_TOUCHED;
 
                 FragmentMessages.search(

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

@@ -6760,6 +6760,7 @@ public class FragmentMessages extends FragmentBase
         Bundle args = new Bundle();
         args.putLong("account", account);
         args.putLong("folder", folder);
+        args.putString("type", type);
 
         FragmentDialogSearch fragment = new FragmentDialogSearch();
         fragment.setArguments(args);