From 727a2e09f27cf48ef11db7b166acf6d57acd414b Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Sat, 23 Apr 2016 16:30:45 -0400
Subject: [PATCH] update library menu

---
 .../bower_components/iron-icon/.bower.json    |  6 +-
 dashboard-ui/components/scrollthreshold.js    | 72 +++++++++++++++++++
 dashboard-ui/scripts/librarymenu.js           |  3 +-
 dashboard-ui/scripts/site.js                  |  1 +
 4 files changed, 78 insertions(+), 4 deletions(-)
 create mode 100644 dashboard-ui/components/scrollthreshold.js

diff --git a/dashboard-ui/bower_components/iron-icon/.bower.json b/dashboard-ui/bower_components/iron-icon/.bower.json
index 9784e3a3b7..f0167baf13 100644
--- a/dashboard-ui/bower_components/iron-icon/.bower.json
+++ b/dashboard-ui/bower_components/iron-icon/.bower.json
@@ -32,14 +32,14 @@
     "web-component-tester": "^4.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
-  "homepage": "https://github.com/PolymerElements/iron-icon",
+  "homepage": "https://github.com/polymerelements/iron-icon",
   "_release": "1.0.8",
   "_resolution": {
     "type": "version",
     "tag": "v1.0.8",
     "commit": "f36b38928849ef3853db727faa8c9ef104d611eb"
   },
-  "_source": "git://github.com/PolymerElements/iron-icon.git",
+  "_source": "git://github.com/polymerelements/iron-icon.git",
   "_target": "^1.0.0",
-  "_originalSource": "PolymerElements/iron-icon"
+  "_originalSource": "polymerelements/iron-icon"
 }
\ No newline at end of file
diff --git a/dashboard-ui/components/scrollthreshold.js b/dashboard-ui/components/scrollthreshold.js
new file mode 100644
index 0000000000..5ad3de7ef5
--- /dev/null
+++ b/dashboard-ui/components/scrollthreshold.js
@@ -0,0 +1,72 @@
+define(['events'], function (events) {
+
+    function thresholdMonitor(elem, horizontal, lowerTolerance, upperTolerance) {
+
+        var defaultTolerance = horizontal ? (screen.availWidth / 2) : (screen.availHeight / 2);
+        lowerTolerance = lowerTolerance || defaultTolerance;
+        upperTolerance = upperTolerance || defaultTolerance;
+
+        var self = this;
+        var upperTriggered = false;
+        var lowerTriggered = false;
+
+        var scrollSize;
+
+        function getScrollSize() {
+
+            if (!scrollSize) {
+                scrollSize = horizontal ? (elem.scrollWidth - elem.clientWidth) : (elem.scrollHeight - elem.clientHeight);
+            }
+            return scrollSize;
+        }
+
+        function onScroll(e) {
+
+            if (lowerTriggered && upperTriggered) {
+                return;
+            }
+
+            var position = horizontal ? elem.scrollLeft : elem.scrollTop;
+
+            // Detect upper threshold
+            if (!upperTriggered && position < upperTolerance) {
+                upperTriggered = true;
+                events.trigger(self, 'upper-threshold');
+            }
+            // Detect lower threshold
+            if (!lowerTriggered && position >= (getScrollSize() - lowerTolerance)) {
+                lowerTriggered = false;
+                events.trigger(self, 'lower-threshold');
+            }
+        }
+
+        self.reset = function () {
+            self.resetSize();
+            upperTriggered = false;
+            lowerTriggered = false;
+        };
+
+        self.resetSize = function () {
+            scrollSize = null;
+        };
+
+        self.enabled = function (enabled) {
+
+            self.reset();
+
+            if (enabled) {
+                elem.addEventListener('scroll', onScroll, true);
+            } else {
+                elem.removeEventListener('scroll', onScroll, true);
+            }
+        };
+
+        self.enabled(true);
+
+        self.destroy = function () {
+            self.enabled(false);
+        };
+    }
+
+    return thresholdMonitor;
+});
\ No newline at end of file
diff --git a/dashboard-ui/scripts/librarymenu.js b/dashboard-ui/scripts/librarymenu.js
index 3e45fb493b..59b0a5d1e7 100644
--- a/dashboard-ui/scripts/librarymenu.js
+++ b/dashboard-ui/scripts/librarymenu.js
@@ -1133,7 +1133,8 @@
         renderHeader();
         headerCreated = true;
 
-        if (userRequiresUpdateAfterHeader) {
+        var user = userRequiresUpdateAfterHeader;
+        if (user) {
             updateUserInHeader(user);
         }
         userRequiresUpdateAfterHeader = null;
diff --git a/dashboard-ui/scripts/site.js b/dashboard-ui/scripts/site.js
index 3e464c7473..1c6040ccce 100644
--- a/dashboard-ui/scripts/site.js
+++ b/dashboard-ui/scripts/site.js
@@ -1607,6 +1607,7 @@ var AppInfo = {};
             velocity: bowerPath + "/velocity/velocity.min",
             tvguide: 'components/tvguide/tvguide',
             ironCardList: 'components/ironcardlist',
+            scrollThreshold: 'components/scrollthreshold',
             directorybrowser: 'components/directorybrowser/directorybrowser',
             collectioneditor: 'components/collectioneditor/collectioneditor',
             playlisteditor: 'components/playlisteditor/playlisteditor',