Replace gif animation with font icon spinner

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/generic/common.scss

@@ -173,12 +173,10 @@ table a code {
 
 .loading {
   margin: 20px auto;
-  background: url(ajax_loader.gif) no-repeat center center;
-  width: 40px;
   height: 40px;
-  &.loading-gray {
-    background: url(ajax_loader_gray.gif) no-repeat center center;
-  }
+  color: #555;
+  font-size: 32px;
+  text-align: center;
 }
 
 span.update-author {

app/assets/stylesheets/sections/projects.scss

@@ -123,14 +123,9 @@
 }
 
 .save-project-loader {
-  img {
-    margin-top: 50px;
-    margin-bottom: 50px;
-  }
-  h3 {
-    @extend .page-title;
-  }
-
+  margin-top: 50px;
+  margin-bottom: 50px;
+  color: #555;
 }
 
 ul.nav.nav-projects-tabs {

app/helpers/application_helper.rb

@@ -236,4 +236,10 @@ def time_ago_with_tooltip(date, placement = 'top', html_class = 'time_ago')
   def render_markup(file_name, file_content)
     GitHub::Markup.render(file_name, file_content).html_safe
   end
+
+  def spinner(text = nil)
+    content_tag :div, class: 'loading hide' do
+      content_tag(:i, nil, class: 'icon-spinner icon-spin') + text
+    end
+  end
 end

app/views/dashboard/_activities.html.haml

@@ -5,4 +5,5 @@
   .content_list
 - else
   %p.nothing_here_message Projects activity will be displayed here
-.loading.hide
+
+= spinner

app/views/groups/show.html.haml

@@ -11,7 +11,7 @@
       .content_list
     - else
       %p.nothing_here_message Project activity will be displayed here
-    .loading.hide
+    = spinner
   .side.col-md-4
     .light-well.append-bottom-20
       = image_tag group_icon(@group.path), class: "avatar s90"

app/views/layouts/_head_panel.html.haml

@@ -17,7 +17,7 @@
           %li.hidden-sm.hidden-xs
             %a
               %div.hide.turbolink-spinner
-                %i.icon-refresh.icon-spin
+                %i.icon-spinner.icon-spin
                 Loading...
           %li.hidden-sm.hidden-xs
             = render "layouts/search"

app/views/layouts/_public_head_panel.html.haml

@@ -19,5 +19,5 @@
         %li
           %a
             %div.hide.turbolink-spinner
-              %i.icon-refresh.icon-spin
+              %i.icon-spinner.icon-spin
               Loading...

app/views/profiles/accounts/show.html.haml

@@ -50,7 +50,10 @@
         %div
           = f.text_field :username, required: true, class: 'form-control'
            
-          %span.loading-gif.hide= image_tag "ajax_loader.gif"
+        .loading-gif.hide
+          %p
+            %i.icon-spinner.icon-spin
+            Saving new username
         %p.light
           = user_url(@user)
         %div

app/views/projects/commits/show.html.haml

@@ -9,7 +9,7 @@
 %div{id: dom_id(@project)}
   #commits-list= render "commits"
 .clear
-.loading{ style: "display:none;"}
+= spinner
 
 - if @commits.count == @limit
   :javascript

app/views/projects/edit.html.haml

@@ -189,6 +189,7 @@
 
 .save-project-loader.hide
   %center
-    = image_tag "ajax_loader.gif"
-    %h3 Saving project.
+    %h2
+      %i.icon-spinner.icon-spin
+      Saving project.
     %p Please wait a moment, this page will automatically refresh when ready.

app/views/projects/empty.html.haml

@@ -3,8 +3,9 @@
 - if @project.import? && !@project.imported
   .save-project-loader
     %center
-      = image_tag "ajax_loader.gif"
-      %h3 Importing repository.
+      %h2
+        %i.icon-spinner.icon-spin
+        Importing repository.
       %p.monospace git clone --bare #{@project.import_url}
       %p Please wait while we import the repository for you. Refresh at will.
       :javascript

app/views/projects/graphs/show.html.haml

 .loading-graph
   %center
-    .loading
-    %h3.page-title Building repository graph.
+    %h3.page-title
+      %i.icon-spinner.icon-spin
+      Building repository graph.
     %p Please wait a moment, this page will automatically refresh when ready.
 
 .stat-graph

app/views/projects/merge_requests/show/_mr_accept.html.haml

@@ -55,7 +55,7 @@
   .automerge_widget.unchecked
     .bs-callout.bs-callout-warning
       %strong
-        %i.icon-refresh.icon-spin
+        %i.icon-spinner.icon-spin
         Checking for ability to automatically merge…
 
   .automerge_widget.already_cannot_be_merged.hide
@@ -64,6 +64,6 @@
 
   .merge-in-progress.hide
     .bs-callout.bs-callout-success
-      %i.icon-refresh.icon-spin
+      %i.icon-spinner.icon-spin
        
       Merge is in progress. Please wait. Page will be automatically reloaded.  

app/views/projects/merge_requests/show/_mr_ci.html.haml

@@ -25,7 +25,7 @@
   .ci_widget
     .alert.alert-warning
       %strong
-        %i.icon-refresh
+        %i.icon-spinner
         Checking for CI status for #{@merge_request.last_commit_short_sha}
 
   .ci_widget.ci-error{style: "display:none"}

app/views/projects/network/show.html.haml

@@ -3,7 +3,7 @@
   .tip
     You can move around the graph by using the arrow keys.
   .network-graph
-    .loading.loading-gray
+    = spinner
 
 :javascript
   new Network({

app/views/projects/new.html.haml

@@ -62,6 +62,7 @@
 
 .save-project-loader.hide
   %center
-    = image_tag "ajax_loader.gif"
-    %h3 Creating project & repository.
+    %h2
+      %i.icon-spinner.icon-spin
+      Creating project & repository.
     %p Please wait a moment, this page will automatically refresh when ready.

app/views/projects/show.html.haml

@@ -5,7 +5,7 @@
     = render "events/event_last_push", event: @last_push
     = render 'shared/event_filter'
     .content_list
-    .loading.hide
+    = spinner
   .col-md-3.project-side.hidden-sm
     .clearfix
       - if @project.archived?