Wait for scroll before deciding whether to add scroll down button

FREEBIE
8 years ago · bb468e7b01
parent ae7044fd30
commit bb468e7b01
1 changed files with 7 additions and 3 deletions
--- a/js/views/conversation_view.js
+++ b/js/views/conversation_view.js
@ -278,9 +278,13 @@
                unreadEl.insertBefore(this.$('#' + oldestUnread.get('id')));
                var position = unreadEl[0].scrollIntoView(true);

-                if (this.view.bottomOffset > 0) {
-                    this.addScrollDownButtonWithCount(unreadCount);
-                }
+                // scrollIntoView is an async operation, but we have no way to listen for
+                // completion of the resultant scroll.
+                setTimeout(function() {
+                    if (this.view.bottomOffset > 0) {
+                        this.addScrollDownButtonWithCount(unreadCount);
+                    }
+                }.bind(this), 1);
            }
        },