update components

dashboard-ui/bower_components/emby-webcomponents/visibleinviewport.js

@@ -0,0 +1,34 @@
+define([], function () {
+
+    /**
+   * Copyright 2012, Digital Fusion
+   * Licensed under the MIT license.
+   * http://teamdf.com/jquery-plugins/license/
+   *
+   * @author Sam Sehnert
+   * @desc A small plugin that checks whether elements are within
+   *       the user visible viewport of a web browser.
+   *       only accounts for vertical position, not horizontal.
+   */
+    function visibleInViewport(elem, partial, thresholdX, thresholdY) {
+
+        thresholdX = thresholdX || 0;
+        thresholdY = thresholdY || 0;
+
+        var vpWidth = window.innerWidth,
+            vpHeight = window.innerHeight;
+
+        // Use this native browser method, if available.
+        var rec = elem.getBoundingClientRect(),
+            tViz = rec.top >= 0 && rec.top < vpHeight + thresholdY,
+            bViz = rec.bottom > 0 && rec.bottom <= vpHeight + thresholdY,
+            lViz = rec.left >= 0 && rec.left < vpWidth + thresholdX,
+            rViz = rec.right > 0 && rec.right <= vpWidth + thresholdX,
+            vVisible = partial ? tViz || bViz : tViz && bViz,
+            hVisible = partial ? lViz || rViz : lViz && rViz;
+
+        return vVisible && hVisible;
+    }
+
+    return visibleInViewport;
+});