Auth mechanism

src/pretix/static/pretixcontrol/js/ui/devices.js

@@ -0,0 +1,14 @@
+/*globals $, Morris, gettext, RRule, RRuleSet*/
+
+$(function () {
+    var update = function () {
+        $.getJSON(location.href + '?ajax=true', {}, function (data) {
+            if (data.initialized) {
+                location.reload();
+            } else {
+                window.setTimeout(update, 500);
+            }
+        });
+    };
+    window.setTimeout(update, 500);
+});

src/pretix/static/pretixcontrol/js/ui/main.js

@@ -366,6 +366,16 @@ var form_handlers = function (el) {
     el.find("input[name=basics-slug]").bind("keyup keydown change", function () {
         $(this).closest(".form-group").find(".slug-length").toggle($(this).val().length > 16);
     });
+
+    el.find("script[data-replace-with-qr]").each(function () {
+        var $div = $("<div>");
+        $div.insertBefore($(this));
+        $div.qrcode(
+            {
+                text: $(this).html()
+            }
+        );
+    });
 };
 
 $(function () {