From 4ec7f5dea5f98ef5a8cddb84986ac52a2f7a1270 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Thu, 14 Mar 2019 22:41:43 -0400
Subject: Use cached message store when re-opening dirs

---
 widgets/account.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/widgets/account.go b/widgets/account.go
index d22b1c6..82d2cad 100644
--- a/widgets/account.go
+++ b/widgets/account.go
@@ -177,7 +177,15 @@ func (acct *AccountView) onMessage(msg types.WorkerMessage) {
 	case *types.Done:
 		switch msg.InResponseTo().(type) {
 		case *types.OpenDirectory:
-			acct.msglist.SetStore(nil)
+			if store, ok := acct.msgStores[acct.dirlist.selected]; ok {
+				// If we've opened this dir before, we can re-render it from
+				// memory while we wait for the update and the UI feels
+				// snappier. If not, we'll unset the store and show the spinner
+				// while we download the UID list.
+				acct.msglist.SetStore(store)
+			} else {
+				acct.msglist.SetStore(nil)
+			}
 			acct.worker.PostAction(&types.FetchDirectoryContents{},
 				func(msg types.WorkerMessage) {
 					store := acct.msgStores[acct.dirlist.selected]
-- 
cgit 1.4.1-2-gfad0