Accessibility improvement

Closes #170

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

@@ -453,12 +453,15 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
 
                     if (message.count == 1)
                         result.add(context.getString(message.unseen > 0 ? R.string.title_accessibility_unseen : R.string.title_accessibility_seen));
+                    else if (message.unseen == message.count)
+                        result.add(context.getResources().getQuantityString(
+                                R.plurals.title_accessibility_all_of_unseen, message.count, message.count));
                     else if (message.unseen == 0)
                         result.add(context.getResources().getQuantityString(
                                 R.plurals.title_accessibility_all_of_seen, message.count, message.count));
                     else
                         result.add(context.getResources().getQuantityString(
-                                R.plurals.title_accessibility_count_of_seen, message.unseen, message.unseen, message.count));
+                                R.plurals.title_accessibility_count_of_unseen, message.unseen, message.unseen, message.count));
 
                     if (ibExpander.getVisibility() == View.VISIBLE) {
                         result.add(context.getString(expanded ? R.string.title_accessibility_expanded : R.string.title_accessibility_collapsed));

app/src/main/res/values/strings.xml

@@ -1034,13 +1034,20 @@
     <string name="title_accessibility_expanded">Expanded</string>
     <string name="title_accessibility_seen">Read</string>
     <string name="title_accessibility_unseen">Unread</string>
-    <plurals name="title_accessibility_count_of_seen">
-        <item quantity="one"></item>
-        <item quantity="other">%1$d of %2$d read</item>
+
+    <plurals name="title_accessibility_count_of_unseen">
+        <item quantity="one">%1$d of %2$d unread</item>
+        <item quantity="other">%1$d of %2$d unread</item>
     </plurals>
+
     <plurals name="title_accessibility_all_of_seen">
         <item quantity="one"></item>
-        <item quantity="other">All of %1$d read</item>
+        <item quantity="other">All %1$d read</item>
+    </plurals>
+
+    <plurals name="title_accessibility_all_of_unseen">
+        <item quantity="one"></item>
+        <item quantity="other">All %1$d unread</item>
     </plurals>
 
     <string name="title_accessibility_flagged">Starred</string>