[geary/wip/713530-background-sync: 6/6] Only prefetch messages that have not been seen before.

[Michael Gratton <mjog src gnome org>]

commit c4559f6db7176ab4b17192fa0e05fcafcc7e74a9
Author: Michael James Gratton <mike vee net>
Date:   Fri Dec 1 22:46:02 2017 +1100

    Only prefetch messages that have not been seen before.
    
    * src/engine/imap-engine/imap-engine-email-prefetcher.vala
      (EmailPrefetcher): Connect to email_locally_{appended,inserted} rather
      than email_{appended,inserted}.

 .../imap-engine/imap-engine-email-prefetcher.vala  |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/engine/imap-engine/imap-engine-email-prefetcher.vala 
b/src/engine/imap-engine/imap-engine-email-prefetcher.vala
index 2d1eacc..9a072fd 100644
--- a/src/engine/imap-engine/imap-engine-email-prefetcher.vala
+++ b/src/engine/imap-engine/imap-engine-email-prefetcher.vala
@@ -36,8 +36,8 @@ private class Geary.ImapEngine.EmailPrefetcher : Object {
         
         folder.opened.connect(on_opened);
         folder.closed.connect(on_closed);
-        folder.email_appended.connect(on_local_expansion);
-        folder.email_inserted.connect(on_local_expansion);
+        folder.email_locally_appended.connect(on_local_expansion);
+        folder.email_locally_inserted.connect(on_local_expansion);
     }
     
     ~EmailPrefetcher() {
@@ -46,8 +46,8 @@ private class Geary.ImapEngine.EmailPrefetcher : Object {
         
         folder.opened.disconnect(on_opened);
         folder.closed.disconnect(on_closed);
-        folder.email_appended.disconnect(on_local_expansion);
-        folder.email_inserted.disconnect(on_local_expansion);
+        folder.email_locally_appended.disconnect(on_local_expansion);
+        folder.email_locally_inserted.disconnect(on_local_expansion);
     }
     
     private void on_opened(Geary.Folder.OpenState open_state) {