Fix so message list and counters are updated when a message is opened in new window (#1489919)

CHANGELOG

@@ -36,6 +36,7 @@ CHANGELOG Roundcube Webmail
 - Fix unintentional line-height style modification in HTML messages (#1489917)
 - Fix broken normalize_string(), add support for ISO-8859-2 (#1489918)
 - Support csv contacts import in German localization (#1489920)
+- Fix so message list and counters are updated when a message is opened in new window (#1489919)
 
 RELEASE 1.0.1
 -------------

program/js/app.js

@@ -2115,20 +2115,38 @@ function rcube_webmail()
         this.location_href(this.env.comm_path+url, target, true);
 
       // mark as read and change mbox unread counter
-      if (preview && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read >= 0) {
+      if (preview && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read > 0) {
         this.preview_read_timer = setTimeout(function() {
-          ref.set_message(id, 'unread', false);
+          ref.set_unread_message(id, ref.env.mailbox);
-          if (ref.env.unread_counts[ref.env.mailbox]) {
+          ref.http_post('mark', {_uid: id, _flag: 'read', _quiet: 1});
-            ref.env.unread_counts[ref.env.mailbox] -= 1;
-            ref.set_unread_count(ref.env.mailbox, ref.env.unread_counts[ref.env.mailbox], ref.env.mailbox == 'INBOX');
-          }
-          if (ref.env.preview_pane_mark_read > 0)
-            ref.http_post('mark', {_uid: id, _flag: 'read', _quiet: 1});
         }, this.env.preview_pane_mark_read * 1000);
       }
     }
   };
 
+  // update message status and unread counter after marking a message as read
+  this.set_unread_message = function(id, folder)
+  {
+    var self = this;
+
+    // find window with messages list
+    if (!self.message_list)
+      self = self.opener();
+
+    if (!self && window.parent)
+      self = parent.rcmail;
+
+    if (!self || !self.message_list)
+      return;
+
+    self.set_message(id, 'unread', false);
+
+    if (self.env.unread_counts[folder] > 0) {
+      self.env.unread_counts[folder] -= 1;
+      self.set_unread_count(folder, self.env.unread_counts[folder], folder == 'INBOX');
+    }
+  };
+
   this.show_contentframe = function(show)
   {
     var frame, win, name = this.env.contentframe;

program/steps/mail/show.inc

@@ -148,11 +148,14 @@ if ($uid) {
     if (empty($MESSAGE->headers->flags['SEEN'])
         && ($RCMAIL->action == 'show' || ($RCMAIL->action == 'preview' && intval($RCMAIL->config->get('preview_pane_mark_read')) == 0))
     ) {
+        $RCMAIL->output->command('set_unread_message', $MESSAGE->uid, $mbox_name);
         $RCMAIL->plugins->exec_hook('message_read', array(
             'uid'     => $MESSAGE->uid,
             'mailbox' => $mbox_name,
             'message' => $MESSAGE,
         ));
+
+        $set_seen_flag = true;
     }
 }
 
@@ -174,9 +177,7 @@ else
 
 
 // mark message as read
-if ($MESSAGE && $MESSAGE->headers && empty($MESSAGE->headers->flags['SEEN']) &&
+if (!empty($set_seen_flag)) {
-    ($RCMAIL->action == 'show' || ($RCMAIL->action == 'preview' && intval($RCMAIL->config->get('preview_pane_mark_read')) == 0))
-) {
     if ($RCMAIL->storage->set_flag($MESSAGE->uid, 'SEEN')) {
         if ($count = rcmail_get_unseen_count($mbox_name)) {
             rcmail_set_unseen_count($mbox_name, $count - 1);