Move the getViewportSize method to gallery.common.js

Signed-off-by: Tim Almdal <tnalmdal@shaw.ca>

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/gallery.common.js b/lib/gallery.common.js
index 14c28a56..599f23d1 100644
--- a/lib/gallery.common.js
+++ b/lib/gallery.common.js
@@ -27,3 +27,21 @@
     });
   };
 })(jQuery);
+
+// Get the viewport size
+(function () {
+  $.getViewportSize = function() {
+    return {
+      width : function() {
+        return window.innerWidth
+          || document.documentElement && document.documentElement.clientWidth
+          || document.body.clientWidth;
+      },
+      height : function() {
+        return window.innerHeight
+          || document.documentElement && document.documentElement.clientHeight
+          || document.body.clientHeight;
+      }
+    };
+  };
+})(jQuery);