Merge branch '17339-mobile-navigation' into 'master'

Mobile navigation fade out

Closes #17339     
Closes #17610  

<img src="/uploads/e382dd363bf8beb28339fa6b152be092/Screen_Shot_2016-05-18_at_10.16.59_AM.png" width="400px">


See merge request !4195

app/assets/javascripts/layout_nav.js.coffee

+class @LayoutNav
+  $ ->
+    $('.fade-left').addClass('end-scroll')
+    $('.scrolling-tabs').on 'scroll', (event) ->
+      $this = $(this)
+      $el = $(event.target)
+      currentPosition = $this.scrollLeft()
+      size = bp.getBreakpointSize()
+      controlBtnWidth = $('.controls').width()
+      maxPosition = $this.get(0).scrollWidth - $this.parent().width()
+      maxPosition += controlBtnWidth if size isnt 'xs' and $('.nav-control').length
+
+      $el.find('.fade-left').toggleClass('end-scroll', currentPosition is 0)
+      $el.find('.fade-right').toggleClass('end-scroll', currentPosition is maxPosition)

app/assets/stylesheets/framework/nav.scss

+@mixin fade($gradient-direction, $rgba, $gradient-color) {
+  visibility: visible;
+  opacity: 1;
+  position: absolute;
+  bottom: 12px;
+  width: 43px;
+  height: 30px;
+  transition-duration: .3s;
+  -webkit-transform: translateZ(0);
+  background: -webkit-linear-gradient($gradient-direction, $rgba, $gradient-color 45%);
+  background: -o-linear-gradient($gradient-direction, $rgba, $gradient-color 45%);
+  background: -moz-linear-gradient($gradient-direction, $rgba, $gradient-color 45%);
+  background: linear-gradient($gradient-direction, $rgba, $gradient-color 45%);
+
+  &.end-scroll {
+    visibility: hidden;
+    opacity: 0;
+    transition-duration: .3s;
+  }
+}
+
+@mixin scrolling-links() {
+  white-space: nowrap;
+  overflow-x: auto;
+  overflow-y: hidden;
+  -webkit-overflow-scrolling: touch;
+  &::-webkit-scrollbar {
+    display: none;
+  }
+}
+
 .nav-links {
   padding: 0;
   margin: 0;
@@ -209,13 +240,8 @@
     float: right;
     padding: 7px 0 0;
 
-    @media (max-width: $screen-xs-min) {
-      float: none;
-      padding: 0 9px;
-
-      .dropdown-new {
-        width: 100%;
-      }
+    @media (max-width: $screen-xs-max) {
+      display: none;
     }
 
     i {
@@ -246,14 +272,18 @@
   }
 
   .nav-links {
+    @include scrolling-links();
     border-bottom: none;
     height: 51px;
-    white-space: nowrap;
-    overflow-x: auto;
-    overflow-y: hidden;
-    -webkit-overflow-scrolling: touch;
-    &::-webkit-scrollbar {
-      display: none;
+
+    .fade-right {
+      @include fade(left, rgba(250, 250, 250, 0.4), $background-color);
+      right: 0;
+    }
+
+    .fade-left {
+      @include fade(right, rgba(250, 250, 250, 0.4), $background-color);
+      left: 0;
     }
 
     li {
@@ -278,16 +308,39 @@
     }
   }
 
+  .nav-control {
+    .fade-right {
+
+      @media (min-width: $screen-xs-max) {
+        right: 67px;
+      }
+      @media (max-width: $screen-xs-min) {
+        right: 0;
+      }
+    }
+  }
 }
 
-.page-with-layout-nav {
-  margin-top: $header-height + 2;
+.nav-block {
+  position: relative;
 
-  &.controls-dropdown-visible {
-    @media (max-width: $screen-xs-min) {
-      margin-top: 96px;
+  .nav-links {
+    @include scrolling-links();
+
+    .fade-right {
+      @include fade(left, rgba(255, 255, 255, 0.4), $white-light);
+      right: 0;
+    }
+
+    .fade-left {
+      @include fade(right, rgba(255, 255, 255, 0.4), $white-light);
+      left: 0;
     }
   }
+}
+
+.page-with-layout-nav {
+  margin-top: $header-height + 2;
 
   .right-sidebar {
     top: ($header-height * 2) + 2;

app/assets/stylesheets/framework/sidebar.scss

@@ -324,7 +324,7 @@
 
   .layout-nav {
     @media (max-width: $screen-xs-min) {
-      padding-right: 0;;
+      padding-right: 0;
     }
 
     @media (min-width: $screen-xs-min) and (max-width: $screen-md-min) {

app/helpers/nav_helper.rb

@@ -48,7 +48,7 @@ module NavHelper
     "page-with-layout-nav" if defined?(nav) && nav
   end
 
-  def layout_dropdown_class
-    "controls-dropdown-visible" if current_user
+  def nav_control_class
+    "nav-control" if current_user
   end
 end

app/views/layouts/_page.html.haml

@@ -25,7 +25,7 @@
     .layout-nav
       .container-fluid
         = render "layouts/nav/#{nav}"
-  .content-wrapper{ class: "#{layout_nav_class} #{layout_dropdown_class}" }
+  .content-wrapper{ class: "#{layout_nav_class}" }
     = render "layouts/broadcast"
     = render "layouts/flash"
     = yield :flash_message

app/views/layouts/nav/_group.html.haml

-= render 'layouts/nav/group_settings'
+%div{ class: nav_control_class }
+  = render 'layouts/nav/group_settings'
 
-%ul.nav-links
+  %ul.nav-links.scrolling-tabs
+    .fade-left
     = nav_link(path: 'groups#show', html_options: {class: 'home'}) do
       = link_to group_path(@group), title: 'Home' do
         = icon('group fw')
@@ -35,3 +37,4 @@
         = icon('users fw')
         %span
           Members
+    .fade-right

app/views/layouts/nav/_profile.html.haml

-%ul.nav-links
+%ul.nav-links.scrolling-tabs
+  .fade-left
   = nav_link(path: 'profiles#show', html_options: {class: 'home'}) do
     = link_to profile_path, title: 'Profile Settings' do
       = icon('user fw')
@@ -47,3 +48,4 @@
       = icon('history fw')
       %span
         Audit Log
+  .fade-right

app/views/layouts/nav/_project.html.haml

@@ -19,7 +19,9 @@
               data: { confirm: leave_project_message(@project) }, method: :delete, title: 'Leave project' do
               Leave Project
 
-%ul.nav-links
+%div{ class: nav_control_class }
+  %ul.nav-links.scrolling-tabs
+    .fade-left
     = nav_link(path: 'projects#show', html_options: {class: 'home'}) do
       = link_to project_path(@project), title: 'Project', class: 'shortcuts-project' do
         = icon('bookmark fw')
@@ -129,3 +131,5 @@
     %li.hidden
       = link_to new_namespace_project_issue_path(@project.namespace, @project), class: 'shortcuts-new-issue' do
         Create a new issue
+
+    .fade-right

app/views/shared/_event_filter.html.haml

-%ul.nav-links.event-filter
+%ul.nav-links.event-filter.scrolling-tabs
+  .fade-left
   = event_filter_link EventFilter.push, 'Push events'
   = event_filter_link EventFilter.merged, 'Merge events'
   = event_filter_link EventFilter.comments, 'Comments'
   = event_filter_link EventFilter.team, 'Team'
+  .fade-right