Fix checking for new mail (#1485794)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG RoundCube Webmail
 ===========================
 
+- Fix checking for new mail: now checks unseen count of inbox (#1485794)
 - Improve performance by avoiding unnecessary updates to the session table (#1486325)
 - Fix invalid <font> tags which cause HTML message rendering problems (#1486521)
 - Fix CVE-2010-0464: Disable DNS prefetching (#1486449)

program/js/app.js

@@ -4321,16 +4321,18 @@ function rcube_webmail()
     };
 
   // send periodic request to check for recent messages
-  this.check_for_recent = function(setbusy)
+  this.check_for_recent = function(refresh)
     {
     if (this.busy)
       return;
 
-    if (setbusy)
-      this.set_busy(true, 'checkingmail');
-
     var addurl = '_t=' + (new Date().getTime());
 
+    if (refresh) {
+      this.set_busy(true, 'checkingmail');
+      addurl += '&_refresh=1';
+    }
+
     if (this.gui_objects.messagelist)
       addurl += '&_list=1';
     if (this.gui_objects.quotadisplay)

program/steps/mail/check_recent.inc

@@ -22,6 +22,17 @@
 $a_mailboxes = $IMAP->list_mailboxes();
 $check_all = (bool)$RCMAIL->config->get('check_all_folders');
 
+// check if unread count of INBOX changed and refresh message list if so
+if (!empty($_GET['_refresh'])) {
+  $unread_count = $IMAP->messagecount('INBOX', 'UNSEEN', TRUE);
+  if ($unread_count > $_SESSION['unseen_count']['INBOX']) {
+    $OUTPUT->command('set_unread_count', 'INBOX', $unread_count, true);
+    $OUTPUT->command('list_mailbox', 'INBOX', 1);  // let the client switch to INBOX and get the message list
+    $OUTPUT->send();
+  }
+}
+
+// check recent/unseen counts for all mailboxes
 foreach ($a_mailboxes as $mbox_name) {
   if ($mbox_name == $IMAP->get_mailbox_name()) {
     if ($recent_count = $IMAP->messagecount(NULL, 'RECENT', TRUE)) {