From 4910b0666edeeebb18ac9682cb898dba8f22962a Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Thu, 15 Aug 2013 02:57:11 -0400
Subject: [PATCH] Distinguish mobile/tablet/touch devices

---
 program/js/app.js |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index 6f5bfbc..dedad37 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -398,7 +398,7 @@
         }
         else if (this.env.action == 'edit-folder' && this.gui_objects.editform) {
           this.enable_command('save', 'folder-size', true);
-          parent.rcmail.env.messagecount = this.env.messagecount;
+          parent.rcmail.env.exists = this.env.messagecount;
           parent.rcmail.enable_command('purge', this.env.messagecount);
           $("input[type='text']").first().select();
         }
@@ -1731,6 +1731,14 @@
     if (!row.depth && row.has_children && (expando = document.getElementById('rcmexpando'+row.uid))) {
       row.expando = expando;
       expando.onmousedown = function(e) { return self.expand_message_row(e, uid); };
+      if (bw.touch) {
+        expando.addEventListener('touchend', function(e) {
+          if (e.changedTouches.length == 1) {
+            self.expand_message_row(e, uid);
+            return rcube_event.cancel(e);
+          }
+        }, false);
+      }
     }
 
     this.triggerEvent('insertrow', { uid:uid, row:row });

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