Merge branch 'experimental-top-nav' into 'master'

Top navigation redesign

Closes #34022, #34035, #34037, #34038, and #34021

See merge request !12214

18 files changed, 490 insertions, 8 deletions

diff --git a/app/assets/images/new_nav.png b/app/assets/images/new_nav.png
new file mode 100644
index 00000000000..8879d26d341
--- /dev/null
+++ b/app/assets/images/new_nav.png
diff --git a/app/assets/images/old_nav.png b/app/assets/images/old_nav.png
new file mode 100644
index 00000000000..23fae7aa19e
--- /dev/null
+++ b/app/assets/images/old_nav.png
diff --git a/app/assets/javascripts/dispatcher.js b/app/assets/javascripts/dispatcher.js
index 88b4b567fa9..31a86090242 100644
--- a/app/assets/javascripts/dispatcher.js
+++ b/app/assets/javascripts/dispatcher.js
@@ -55,6 +55,7 @@ import RefSelectDropdown from './ref_select_dropdown';
 import GfmAutoComplete from './gfm_auto_complete';
 import ShortcutsBlob from './shortcuts_blob';
 import initSettingsPanels from './settings_panels';
+import initExperimentalFlags from './experimental_flags';
 
 (function() {
   var Dispatcher;
@@ -120,6 +121,9 @@ import initSettingsPanels from './settings_panels';
       }
 
       switch (page) {
+        case 'profiles:preferences:show':
+          initExperimentalFlags();
+          break;
         case 'sessions:new':
           new UsernameValidator();
           new ActiveTabMemoizer();
diff --git a/app/assets/javascripts/experimental_flags.js b/app/assets/javascripts/experimental_flags.js
new file mode 100644
index 00000000000..dbd3843cef7
--- /dev/null
+++ b/app/assets/javascripts/experimental_flags.js
@@ -0,0 +1,11 @@
+import Cookies from 'js-cookie';
+
+export default () => {
+  $('.js-experiment-feature-toggle').on('change', (e) => {
+    const el = e.target;
+
+    Cookies.set(el.name, el.value, {
+      expires: 365 * 10,
+    });
+  });
+};
diff --git a/app/assets/javascripts/main.js b/app/assets/javascripts/main.js
index ed7629948ca..d27b4ec78c6 100644
--- a/app/assets/javascripts/main.js
+++ b/app/assets/javascripts/main.js
@@ -299,9 +299,10 @@ $(function () {
   // Commit show suppressed diff
   });
   $('.navbar-toggle').on('click', function () {
-    $('.header-content .title').toggle();
+    $('.header-content .title, .header-content .navbar-sub-nav').toggle();
     $('.header-content .header-logo').toggle();
     $('.header-content .navbar-collapse').toggle();
+    $('.js-navbar-toggle-left, .js-navbar-toggle-right, .title-container').toggle();
     return $('.navbar-toggle').toggleClass('active');
   });
   // Show/hide comments on diff
diff --git a/app/assets/stylesheets/framework/header.scss b/app/assets/stylesheets/framework/header.scss
index 94986badaf9..5bd6c095109 100644
--- a/app/assets/stylesheets/framework/header.scss
+++ b/app/assets/stylesheets/framework/header.scss
@@ -34,6 +34,8 @@ header {
     top: 0;
     left: 0;
     right: 0;
+    color: $gl-text-color-secondary;
+    border-radius: 0;
 
     @media (max-width: $screen-xs-min) {
       padding: 0 16px;
@@ -59,7 +61,7 @@ header {
       padding: 0;
 
       .nav > li > a {
-        color: $gl-text-color-secondary;
+        color: currentColor;
         font-size: 18px;
         padding: 0;
         margin: (($header-height - 28) / 2) 3px;
@@ -84,7 +86,7 @@ header {
         &:hover,
         &:focus,
         &:active {
-          background-color: $gray-light;
+          background-color: transparent;
           color: $gl-text-color;
 
           svg {
@@ -96,13 +98,19 @@ header {
           font-size: 14px;
         }
 
+        .fa-chevron-down {
+          position: relative;
+          top: -3px;
+          font-size: 10px;
+        }
+
         svg {
           position: relative;
           top: 2px;
           height: 17px;
           // hack to get SVG to line up with FA icons
           width: 23px;
-          fill: $gl-text-color-secondary;
+          fill: currentColor;
         }
       }
 
@@ -225,7 +233,7 @@ header {
       }
 
       a {
-        color: $gl-text-color;
+        color: currentColor;
 
         &:hover {
           text-decoration: underline;
@@ -346,6 +354,7 @@ header {
     width: auto;
     min-width: 140px;
     margin-top: -5px;
+    color: $gl-text-color;
     left: auto;
 
     .current-user {
diff --git a/app/assets/stylesheets/framework/variables.scss b/app/assets/stylesheets/framework/variables.scss
index 476427c1593..630f557602c 100644
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -74,6 +74,10 @@ $red-700: #a62d19;
 $red-800: #8b2615;
 $red-900: #711e11;
 
+$purple-700: #4a2192;
+$purple-800: #2c0a5c;
+$purple-900: #380d75;
+
 $black: #000;
 $black-transparent: rgba(0, 0, 0, 0.3);
 
diff --git a/app/assets/stylesheets/new_nav.scss b/app/assets/stylesheets/new_nav.scss
new file mode 100644
index 00000000000..441bfc479f6
--- /dev/null
+++ b/app/assets/stylesheets/new_nav.scss
@@ -0,0 +1,267 @@
+@import "framework/variables";
+@import 'framework/tw_bootstrap_variables';
+@import "bootstrap/variables";
+
+header.navbar-gitlab-new {
+  color: $white-light;
+  background-color: $purple-900;
+  border-bottom: 0;
+
+  .header-content {
+    padding-left: 0;
+
+    .title-container {
+      padding-top: 0;
+      overflow: visible;
+    }
+
+    .title {
+      display: block;
+      height: 100%;
+      padding-right: 0;
+      color: currentColor;
+
+      > a {
+        display: flex;
+        align-items: center;
+        height: 100%;
+        padding-top: 3px;
+        padding-right: $gl-padding;
+        padding-left: $gl-padding;
+        margin-left: -$gl-padding;
+        border-bottom: 3px solid transparent;
+
+        @media (min-width: $screen-sm-min) {
+          padding-right: $gl-padding;
+          padding-left: $gl-padding;
+        }
+
+        svg {
+          margin-top: -3px;
+
+          @media (min-width: $screen-sm-min) {
+            margin-right: 10px;
+          }
+        }
+
+        &:hover,
+        &:focus {
+          color: currentColor;
+          text-decoration: none;
+          border-bottom-color: $white-light;
+        }
+      }
+    }
+
+    .dropdown.open {
+      > a {
+        border-bottom-color: $white-light;
+      }
+    }
+
+    .dropdown-menu {
+      margin-top: 4px;
+      min-width: 130px;
+
+      @media (max-width: $screen-xs-max) {
+        left: auto;
+        right: 0;
+      }
+    }
+  }
+
+  .navbar-collapse {
+    padding-left: 0;
+    color: $white-light;
+    box-shadow: 0;
+
+    @media (max-width: $screen-xs-max) {
+      margin-left: -$gl-padding;
+      margin-right: -10px;
+    }
+
+    .dropdown-bold-header {
+      color: initial;
+    }
+
+    .nav {
+      > li:not(.hidden-xs) a {
+        @media (max-width: $screen-xs-max) {
+          margin-left: 0;
+          min-width: 100%;
+        }
+      }
+    }
+  }
+
+  .container-fluid {
+    .navbar-toggle {
+      min-width: 45px;
+      padding: 6px $gl-padding;
+      margin-right: -7px;
+      font-size: 14px;
+      text-align: center;
+      color: currentColor;
+      border-left: 1px solid lighten($purple-700, 10%);
+
+      &:hover,
+      &:focus,
+      &.active {
+        color: currentColor;
+        background-color: transparent;
+      }
+    }
+
+    .navbar-nav {
+      @media (max-width: $screen-xs-max) {
+        display: flex;
+        padding-right: 10px;
+      }
+
+      li {
+        .badge {
+          box-shadow: none;
+        }
+      }
+    }
+
+    .nav > li {
+      &.header-user {
+        @media (max-width: $screen-xs-max) {
+          padding-left: 10px;
+        }
+      }
+
+      > a {
+        background: none;
+        opacity: .9;
+        will-change: opacity;
+
+        &.header-user-dropdown-toggle {
+          .header-user-avatar {
+            border-color: $white-light;
+          }
+        }
+
+        &:hover,
+        &:focus {
+          color: $white-light;
+          opacity: 1;
+
+          > svg {
+            fill: $white-light;
+          }
+
+          &.header-user-dropdown-toggle {
+            .header-user-avatar {
+              border-color: $white-light;
+            }
+          }
+        }
+      }
+    }
+  }
+}
+
+.navbar-sub-nav {
+  display: flex;
+  margin-bottom: 0;
+  color: $white-light;
+
+  > li {
+    &.active > a,
+    a:hover,
+    a:focus {
+      border-bottom-color: $white-light;
+      text-decoration: none;
+      outline: 0;
+      opacity: 1;
+    }
+
+    > a {
+      display: block;
+      padding: 16px 10px 13px;
+      font-size: 13px;
+      color: currentColor;
+      border-bottom: 3px solid transparent;
+      opacity: .9;
+      will-change: opacity;
+
+      @media (min-width: $screen-sm-min) {
+        padding: 15px $gl-padding 12px;
+        font-size: 14px;
+      }
+    }
+  }
+
+  .dropdown-chevron {
+    position: relative;
+    top: -1px;
+    font-size: 10px;
+  }
+}
+
+.header-user .dropdown-menu-nav,
+.header-new .dropdown-menu-nav {
+  margin-top: 4px;
+}
+
+.search {
+  form {
+    border-color: $purple-800;
+
+    &:hover {
+      border-color: rgba($white-light, .6);
+      box-shadow: none;
+    }
+  }
+
+  &.search-active form {
+    border-color: $white-light;
+  }
+
+  form,
+  .search-input {
+    background-color: $purple-700;
+  }
+
+  .search-input {
+    color: $white-light;
+  }
+
+  .search-input::placeholder {
+    color: rgba($white-light, .6);
+  }
+
+  .location-badge {
+    font-size: 12px;
+    color: rgba($white-light, .6);
+    background-color: $purple-800;
+    transition: color 0.15s;
+    will-change: color;
+  }
+
+  .search-input-wrap {
+    .search-icon,
+    .clear-icon {
+      color: rgba($white-light, .6);
+    }
+  }
+
+  &.search-active {
+    .location-badge {
+      color: $white-light;
+      background-color: $purple-800;
+    }
+
+    .search-input-wrap {
+      .search-icon {
+        color: rgba($white-light, .6);
+      }
+
+      .clear-icon {
+        color: $white-light;
+      }
+    }
+  }
+}
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index a3b243fccb7..dc7ff78f3df 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -300,4 +300,12 @@ module ApplicationHelper
       "https://www.twitter.com/#{name}"
     end
   end
+
+  def can_toggle_new_nav?
+    Rails.env.development?
+  end
+
+  def show_new_nav?
+    cookies["new_nav"] == "true"
+  end
 end
diff --git a/app/views/layouts/_head.html.haml b/app/views/layouts/_head.html.haml
index eea33b5966f..f7a1d7e8844 100644
--- a/app/views/layouts/_head.html.haml
+++ b/app/views/layouts/_head.html.haml
@@ -30,6 +30,9 @@
   = stylesheet_link_tag "test",        media: "all" if Rails.env.test?
   = stylesheet_link_tag 'peek' if peek_enabled?
 
+  - if show_new_nav?
+    = stylesheet_link_tag "new_nav", media: "all"
+
   = Gon::Base.render_data
 
   = webpack_bundle_tag "runtime"
diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 2b07273a0a8..d879df8fc82 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -4,7 +4,10 @@
   %body{ class: @body_class, data: { page: body_data_page, project: "#{@project.path if @project}", group: "#{@group.path if @group}" } }
     = render "layouts/init_auto_complete" if @gfm_form
     = render 'peek/bar'
-    = render "layouts/header/default", title: header_title
+    - if show_new_nav?
+      = render "layouts/header/new"
+    - else
+      = render "layouts/header/default", title: header_title
     = render 'layouts/page', sidebar: sidebar, nav: nav
 
     = yield :scripts_body
diff --git a/app/views/layouts/header/_default.html.haml b/app/views/layouts/header/_default.html.haml
index 249253f4906..f056c0af968 100644
--- a/app/views/layouts/header/_default.html.haml
+++ b/app/views/layouts/header/_default.html.haml
@@ -74,6 +74,9 @@
                     = link_to "Profile", current_user, class: 'profile-link', data: { user: current_user.username }
                   %li
                     = link_to "Settings", profile_path
+                  - if can_toggle_new_nav?
+                    %li
+                      = link_to "Turn on new nav", profile_preferences_path(anchor: "new-navigation")
                   %li.divider
                   %li
                     = link_to "Sign out", destroy_user_session_path, method: :delete, class: "sign-out-link"
diff --git a/app/views/layouts/header/_new.html.haml b/app/views/layouts/header/_new.html.haml
new file mode 100644
index 00000000000..c0833c64911
--- /dev/null
+++ b/app/views/layouts/header/_new.html.haml
@@ -0,0 +1,93 @@
+%header.navbar.navbar-gitlab.navbar-gitlab-new{ class: nav_header_class }
+  %a.sr-only.gl-accessibility{ href: "#content-body", tabindex: "1" } Skip to content
+  .container-fluid
+    .header-content
+      .title-container
+        %h1.title
+          = link_to root_path, title: 'Dashboard' do
+            = brand_header_logo
+            %span.hidden-xs
+              GitLab
+
+        - if current_user
+          = render "layouts/nav/new_dashboard"
+        - else
+          = render "layouts/nav/new_explore"
+
+      .navbar-collapse.collapse
+        %ul.nav.navbar-nav
+          %li.hidden-sm.hidden-xs
+            = render 'layouts/search' unless current_controller?(:search)
+          %li.visible-sm-inline-block.visible-xs-inline-block
+            = link_to search_path, title: 'Search', aria: { label: "Search" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+              = icon('search')
+          - if current_user
+            - if session[:impersonator_id]
+              %li.impersonation
+                = link_to admin_impersonation_path, method: :delete, title: "Stop impersonation", aria: { label: 'Stop impersonation' }, data: { toggle: 'tooltip', placement: 'bottom', container: 'body' } do
+                  = icon('user-secret fw')
+            - if current_user.admin?
+              %li
+                = link_to admin_root_path, title: 'Admin area', aria: { label: "Admin area" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+                  = icon('wrench fw')
+            = render 'layouts/header/new_dropdown'
+            - if Gitlab::Sherlock.enabled?
+              %li
+                = link_to sherlock_transactions_path, title: 'Sherlock Transactions',
+                  data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+                  = icon('tachometer fw')
+            %li
+              = link_to assigned_issues_dashboard_path, title: 'Issues', aria: { label: "Issues" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+                = icon('hashtag fw')
+                - issues_count = assigned_issuables_count(:issues)
+                %span.badge.issues-count{ class: ('hidden' if issues_count.zero?) }
+                  = number_with_delimiter(issues_count)
+            %li
+              = link_to assigned_mrs_dashboard_path, title: 'Merge requests', aria: { label: "Merge requests" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+                = custom_icon('mr_bold')
+                - merge_requests_count = assigned_issuables_count(:merge_requests)
+                %span.badge.merge-requests-count{ class: ('hidden' if merge_requests_count.zero?) }
+                  = number_with_delimiter(merge_requests_count)
+            %li
+              = link_to dashboard_todos_path, title: 'Todos', aria: { label: "Todos" }, class: 'shortcuts-todos', data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+                = icon('check-circle fw')
+                %span.badge.todos-count{ class: ('hidden' if todos_pending_count.zero?) }
+                  = todos_count_format(todos_pending_count)
+            %li.header-user.dropdown
+              = link_to current_user, class: "header-user-dropdown-toggle", data: { toggle: "dropdown" } do
+                = image_tag avatar_icon(current_user, 26), width: 26, height: 26, class: "header-user-avatar"
+                = icon('chevron-down')
+              .dropdown-menu-nav.dropdown-menu-align-right
+                %ul
+                  %li.current-user
+                    .user-name.bold
+                      = current_user.name
+                    @#{current_user.username}
+                  %li.divider
+                  %li
+                    = link_to "Profile", current_user, class: 'profile-link', data: { user: current_user.username }
+                  %li
+                    = link_to "Settings", profile_path
+                  %li
+                    = link_to "Turn off new nav", profile_preferences_path(anchor: "new-navigation")
+                  %li.divider
+                  %li
+                    = link_to "Sign out", destroy_user_session_path, method: :delete, class: "sign-out-link"
+          - else
+            %li
+              %div
+                = link_to "Sign in", new_session_path(:user, redirect_to_referer: 'yes'), class: 'btn btn-sign-in btn-success'
+
+      %button.navbar-toggle.hidden-sm.hidden-md.hidden-lg{ type: 'button' }
+        %span.sr-only Toggle navigation
+        = icon('ellipsis-v', class: 'js-navbar-toggle-right')
+        = icon('times', class: 'js-navbar-toggle-left', style: 'display: none;')
+
+      = yield :header_content
+
+= render 'shared/outdated_browser'
+
+- if @project && !@project.empty_repo?
+  - if ref = @ref || @project.repository.root_ref
+    :javascript
+      var findFileURL = "#{namespace_project_find_file_path(@project.namespace, @project, ref)}";
diff --git a/app/views/layouts/header/_new_dropdown.haml b/app/views/layouts/header/_new_dropdown.haml
index 969c423b032..9ff1164f2ee 100644
--- a/app/views/layouts/header/_new_dropdown.haml
+++ b/app/views/layouts/header/_new_dropdown.haml
@@ -1,7 +1,11 @@
 %li.header-new.dropdown
   = link_to new_project_path, class: "header-new-dropdown-toggle has-tooltip", title: "New...", ref: 'tooltip', aria: { label: "New..." }, data: { toggle: 'dropdown', placement: 'bottom', container: 'body' } do
-    = icon('plus fw')
-    = icon('caret-down')
+    - if show_new_nav?
+      = icon('plus')
+      = icon('chevron-down')
+    - else
+      = icon('plus fw')
+      = icon('caret-down')
   .dropdown-menu-nav.dropdown-menu-align-right
     %ul
       - if @group&.persisted?
diff --git a/app/views/layouts/nav/_new_dashboard.html.haml b/app/views/layouts/nav/_new_dashboard.html.haml
new file mode 100644
index 00000000000..7109baa4dad
--- /dev/null
+++ b/app/views/layouts/nav/_new_dashboard.html.haml
@@ -0,0 +1,33 @@
+%ul.list-unstyled.navbar-sub-nav
+  = nav_link(path: ['root#index', 'projects#trending', 'projects#starred', 'dashboard/projects#index'], html_options: {class: "home"}) do
+    = link_to dashboard_projects_path, title: 'Projects', class: 'dashboard-shortcuts-projects' do
+      Projects
+
+  = nav_link(controller: [:groups, 'groups/milestones', 'groups/group_members']) do
+    = link_to dashboard_groups_path, class: 'dashboard-shortcuts-groups', title: 'Groups' do
+      Groups
+
+  = nav_link(path: 'dashboard#activity', html_options: { class: "hidden-xs hidden-sm" }) do
+    = link_to activity_dashboard_path, class: 'dashboard-shortcuts-activity', title: 'Activity' do
+      Activity
+
+  %li.dropdown
+    %a{ href: "#", data: { toggle: "dropdown" } }
+      More
+      = icon("chevron-down", class: "dropdown-chevron")
+    .dropdown-menu
+      %ul
+        = nav_link(path: 'dashboard#activity', html_options: { class: "visible-xs visible-sm" }) do
+          = link_to activity_dashboard_path, title: 'Activity' do
+            Activity
+
+        = nav_link(controller: 'dashboard/milestones') do
+          = link_to dashboard_milestones_path, class: 'dashboard-shortcuts-milestones', title: 'Milestones' do
+            Milestones
+
+        = nav_link(controller: 'dashboard/snippets') do
+          = link_to dashboard_snippets_path, class: 'dashboard-shortcuts-snippets', title: 'Snippets' do
+            Snippets
+        %li.divider
+        %li
+          = link_to "Help", help_path, title: 'About GitLab CE'
diff --git a/app/views/layouts/nav/_new_explore.html.haml b/app/views/layouts/nav/_new_explore.html.haml
new file mode 100644
index 00000000000..40385f251e3
--- /dev/null
+++ b/app/views/layouts/nav/_new_explore.html.haml
@@ -0,0 +1,19 @@
+%ul.list-unstyled.navbar-sub-nav
+  = nav_link(path: ['dashboard#show', 'root#show', 'projects#trending', 'projects#starred', 'projects#index'], html_options: {class: 'home'}) do
+    = link_to explore_root_path, title: 'Projects', class: 'dashboard-shortcuts-projects' do
+      Projects
+  = nav_link(controller: [:groups, 'groups/milestones', 'groups/group_members']) do
+    = link_to explore_groups_path, title: 'Groups', class: 'dashboard-shortcuts-groups' do
+      Groups
+  %li.dropdown
+    %a{ href: "#", data: { toggle: "dropdown" } }
+      More
+      = icon("chevron-down", class: "dropdown-chevron")
+    .dropdown-menu
+      %ul
+        = nav_link(controller: :snippets) do
+          = link_to explore_snippets_path, title: 'Snippets', class: 'dashboard-shortcuts-snippets' do
+            Snippets
+        %li.divider
+        %li
+          = link_to "Help", help_path, title: 'About GitLab CE'
diff --git a/app/views/profiles/preferences/show.html.haml b/app/views/profiles/preferences/show.html.haml
index 0ff19b3eab1..0b5995415e9 100644
--- a/app/views/profiles/preferences/show.html.haml
+++ b/app/views/profiles/preferences/show.html.haml
@@ -15,6 +15,25 @@
         .preview= image_tag "#{scheme.css_class}-scheme-preview.png"
         = f.radio_button :color_scheme_id, scheme.id
         = scheme.name
+  - if can_toggle_new_nav?
+    .col-sm-12
+      %hr
+    .col-lg-3.profile-settings-sidebar#new-navigation
+      %h4.prepend-top-0
+        New Navigation
+      %p
+        This setting allows you to turn on or off the new upcoming navigation concept.
+        = succeed '.' do
+          = link_to 'Learn more', '', target: '_blank'
+    .col-lg-9.syntax-theme
+      = label_tag do
+        .preview= image_tag "old_nav.png"
+        %input.js-experiment-feature-toggle{ type: "radio", value: "false", name: "new_nav", checked: !show_new_nav? }
+        Old
+      = label_tag do
+        .preview= image_tag "new_nav.png"
+        %input.js-experiment-feature-toggle{ type: "radio", value: "true", name: "new_nav", checked: show_new_nav? }
+        New
   .col-sm-12
     %hr
   .col-lg-3.profile-settings-sidebar
diff --git a/config/application.rb b/config/application.rb
index 8bbecf3ed0f..12242c3b0f5 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -109,6 +109,7 @@ module Gitlab
     config.assets.precompile << "lib/ace.js"
     config.assets.precompile << "vendor/assets/fonts/*"
     config.assets.precompile << "test.css"
+    config.assets.precompile << "new_nav.css"
 
     # Version of your assets, change this if you want to expire all your assets
     config.assets.version = '1.0'