1 files changed, 30 insertions, 0 deletions
diff --git a/searx/static/themes/simple/js/searxng.head.js b/searx/static/themes/simple/js/searxng.head.js
new file mode 100644
index 000000000..4406b764e
--- /dev/null
+++ b/searx/static/themes/simple/js/searxng.head.js
@@ -0,0 +1,30 @@
+/**
+ * @license
+ * (C) Copyright Contributors to the SearXNG project.
+ * (C) Copyright Contributors to the searx project (2014 - 2021).
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+/* global DocumentTouch:readonly */
+(function(w, d) {
+    'use strict';
+
+    // add data- properties
+    var script = d.currentScript  || (function() {
+        var scripts = d.getElementsByTagName('script');
+        return scripts[scripts.length - 1];
+    })();
+
+    // try to detect touch screen
+    w.searxng = {
+        touch: (("ontouchstart" in w) || w.DocumentTouch && document instanceof DocumentTouch) || false,
+        method: script.getAttribute('data-method'),
+        autocompleter: script.getAttribute('data-autocompleter') === 'true',
+        search_on_category_select: script.getAttribute('data-search-on-category-select') === 'true',
+        infinite_scroll: script.getAttribute('data-infinite-scroll') === 'true',
+        static_path: script.getAttribute('data-static-path'),
+        translations: JSON.parse(script.getAttribute('data-translations')),
+    };
+
+    // update the css
+    d.getElementsByTagName("html")[0].className = (w.searxng.touch)?"js touch":"js";
+})(window, document);
+\ No newline at end of file