auto hide navbar on mobile and tablet

lib/modules/autohidingnavbar.min.js

@@ -0,0 +1,9 @@
+/*
+ *  Bootstrap Auto-Hiding Navbar - v1.0.0
+ *  An extension for Bootstrap's fixed navbar which hides the navbar while the page is scrolling downwards and shows it the other way. The plugin is able to show/hide the navbar programmatically as well.
+ *  http://www.virtuosoft.eu/code/bootstrap-autohidingnavbar/
+ *
+ *  Made by István Ujj-Mészáros
+ *  Under Apache License v2.0 License
+ */
+!function(a,b,c,d){function e(b,c){this.element=a(b),this.settings=a.extend({},w,c),this._defaults=w,this._name=m,this.init()}function f(b){v&&(b.element.addClass("navbar-hidden").animate({top:-b.element.height()},{queue:!1,duration:b.settings.animationDuration}),a(".dropdown.open .dropdown-toggle",b.element).dropdown("toggle"),v=!1)}function g(a){v||(a.element.removeClass("navbar-hidden").animate({top:0},{queue:!1,duration:a.settings.animationDuration}),v=!0)}function h(a){var b=n.scrollTop(),c=b-t;if(t=b,0>c){if(v)return;(a.settings.showOnUpscroll||l>=b)&&g(a)}else if(c>0){if(!v)return void(a.settings.showOnBottom&&b+u===o.height()&&g(a));b>=l&&f(a)}}function i(a){a.settings.disableAutohide||(s=(new Date).getTime(),h(a))}function j(a){o.on("scroll."+m,function(){(new Date).getTime()-s>r?i(a):(clearTimeout(p),p=setTimeout(function(){i(a)},r))}),n.on("resize."+m,function(){clearTimeout(q),q=setTimeout(function(){u=n.height()},r)})}function k(){o.off("."+m),n.off("."+m)}var l,m="autoHidingNavbar",n=a(b),o=a(c),p=null,q=null,r=70,s=0,t=null,u=n.height(),v=!0,w={disableAutohide:!1,showOnUpscroll:!0,showOnBottom:!0,hideOffset:"auto",animationDuration:200};e.prototype={init:function(){return this.elements={navbar:this.element},this.setDisableAutohide(this.settings.disableAutohide),this.setShowOnUpscroll(this.settings.showOnUpscroll),this.setShowOnBottom(this.settings.showOnBottom),this.setHideOffset(this.settings.hideOffset),this.setAnimationDuration(this.settings.animationDuration),l="auto"===this.settings.hideOffset?this.element.height():this.settings.hideOffset,j(this),this.element},setDisableAutohide:function(a){return this.settings.disableAutohide=a,this.element},setShowOnUpscroll:function(a){return this.settings.showOnUpscroll=a,this.element},setShowOnBottom:function(a){return this.settings.showOnBottom=a,this.element},setHideOffset:function(a){return this.settings.hideOffset=a,this.element},setAnimationDuration:function(a){return this.settings.animationDuration=a,this.element},show:function(){return g(this),this.element},hide:function(){return f(this),this.element},destroy:function(){return k(this),g(this),a.data(this,"plugin_"+m,null),this.element}},a.fn[m]=function(b){var c=arguments;if(b===d||"object"==typeof b)return this.each(function(){a.data(this,"plugin_"+m)||a.data(this,"plugin_"+m,new e(this,b))});if("string"==typeof b&&"_"!==b[0]&&"init"!==b){var f;return this.each(function(){var d=a.data(this,"plugin_"+m);d instanceof e&&"function"==typeof d[b]&&(f=d[b].apply(d,Array.prototype.slice.call(c,1)))}),f!==d?f:this}}}(jQuery,window,document);

lib/persona.js

@@ -5,6 +5,14 @@
 $(document).ready(function() {
 	setupSlideMenu();
 
+	var env = utils.findBootstrapEnvironment();
+
+	if (env === 'xs' || env ==='sm') {
+		$(".navbar-fixed-top").autoHidingNavbar({
+			showOnBottom: false
+		});
+	}
+
 	function setupSlideMenu() {
 		$('[data-toggle="slide-in"]').on('click', function(ev) {
 			$('body').toggleClass('slide-in');

plugin.json

@@ -3,6 +3,7 @@
 	"hooks": [],
 	"scripts": [
 		"lib/persona.js",
-		"lib/modules/nprogress.js"
+		"lib/modules/nprogress.js",
+		"lib/modules/autohidingnavbar.min.js"
 	]
 }