From 9a789637d81f05949e46c5ad87fd157e66561d77 Mon Sep 17 00:00:00 2001
From: fiaxh <git@lightrise.org>
Date: Tue, 28 Apr 2020 23:11:08 +0200
Subject: [PATCH] ConversationSummaryView: Fix crash when accessing
 content_item's first() or last() if the TreeSet is empty

---
 main/src/ui/conversation_summary/conversation_view.vala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/main/src/ui/conversation_summary/conversation_view.vala b/main/src/ui/conversation_summary/conversation_view.vala
index 4cde3668..fa2011fa 100644
--- a/main/src/ui/conversation_summary/conversation_view.vala
+++ b/main/src/ui/conversation_summary/conversation_view.vala
@@ -317,7 +317,7 @@ public class ConversationView : Box, Plugins.ConversationItemCollection, Plugins
     private void load_earlier_messages() {
         was_value = scrolled.vadjustment.value;
         if (!reloading_mutex.trylock()) return;
-        if (meta_items.size > 0) {
+        if (content_items.size > 0) {
             Gee.List<ContentMetaItem> items = content_populator.populate_before(conversation, (content_items.first() as ContentMetaItem).content_item, 20);
             foreach (ContentMetaItem item in items) {
                 do_insert_item(item);
@@ -329,7 +329,7 @@ public class ConversationView : Box, Plugins.ConversationItemCollection, Plugins
 
     private void load_later_messages() {
         if (!reloading_mutex.trylock()) return;
-        if (meta_items.size > 0 && !at_current_content) {
+        if (content_items.size > 0 && !at_current_content) {
             Gee.List<ContentMetaItem> items = content_populator.populate_after(conversation, (content_items.last() as ContentMetaItem).content_item, 20);
             if (items.size == 0) {
                 at_current_content = true;