Merge pull request #2960 from awesomerobot/master

simplifying the spinner due to IE/Win Chrome issues

app/assets/javascripts/discourse/helpers/loading-spinner.es6

@@ -1,4 +1,4 @@
-var spinnerHTML = "<div class='spinner'><div class='spinner-container container1'><div class='circle1'></div><div class='circle2'></div><div class='circle3'></div><div class='circle4'></div></div><div class='spinner-container container2'><div class='circle1'></div><div class='circle2'></div><div class='circle3'></div><div class='circle4'></div></div><div class='spinner-container container3'><div class='circle1'></div><div class='circle2'></div><div class='circle3'></div><div class='circle4'></div></div></div>";
+var spinnerHTML = "<div class='spinner'></div>";
 
 Handlebars.registerHelper('loading-spinner', function() {
     return new Handlebars.SafeString(spinnerHTML);

app/assets/stylesheets/common/base/discourse.scss

@@ -176,114 +176,33 @@ body {
   opacity: 1;
 }
 
+
+@-webkit-keyframes rotate-forever {
+  0% {
+    -webkit-transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+  }
+}
+
+@keyframes rotate-forever {
+  0% {
+    transform: rotate(0deg);
+  }
+  100% {
+    transform: rotate(360deg);
+  }
+}
+
 .spinner {
-  margin: 20px auto 0 auto;
-  width: 35px;
-  height: 35px;
+  margin: 30px auto 0 auto;
   position: relative;
-
-  .container1 > div, .container2 > div, .container3 > div {
-    width: 6px;
-    height: 6px;
-    background-color: $primary;
-
-    border-radius: 100%;
-    position: absolute;
-    -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
-    animation: bouncedelay 1.2s infinite ease-in-out;
-    -webkit-animation-fill-mode: both;
-    animation-fill-mode: both;
-  }
-
-  .spinner-container {
-    position: absolute;
-    width: 100%;
-    height: 100%;
-  }
-
-  .container2 {
-    -webkit-transform: rotateZ(45deg);
-    transform: rotateZ(45deg);
-  }
-
-  .container3 {
-    -webkit-transform: rotateZ(90deg);
-    transform: rotateZ(90deg);
-  }
-
-  .circle1 { top: 0; left: 0; }
-  .circle2 { top: 0; right: 0; }
-  .circle3 { right: 0; bottom: 0; }
-  .circle4 { left: 0; bottom: 0; }
-
-  .container2 .circle1 {
-    -webkit-animation-delay: -1.1s;
-    animation-delay: -1.1s;
-  }
-
-  .container3 .circle1 {
-    -webkit-animation-delay: -1.0s;
-    animation-delay: -1.0s;
-  }
-
-  .container1 .circle2 {
-    -webkit-animation-delay: -0.9s;
-    animation-delay: -0.9s;
-  }
-
-  .container2 .circle2 {
-    -webkit-animation-delay: -0.8s;
-    animation-delay: -0.8s;
-  }
-
-  .container3 .circle2 {
-    -webkit-animation-delay: -0.7s;
-    animation-delay: -0.7s;
-  }
-
-  .container1 .circle3 {
-    -webkit-animation-delay: -0.6s;
-    animation-delay: -0.6s;
-  }
-
-  .container2 .circle3 {
-    -webkit-animation-delay: -0.5s;
-    animation-delay: -0.5s;
-  }
-
-  .container3 .circle3 {
-    -webkit-animation-delay: -0.4s;
-    animation-delay: -0.4s;
-  }
-
-  .container1 .circle4 {
-    -webkit-animation-delay: -0.3s;
-    animation-delay: -0.3s;
-  }
-
-  .container2 .circle4 {
-    -webkit-animation-delay: -0.2s;
-    animation-delay: -0.2s;
-  }
-
-  .container3 .circle4 {
-    -webkit-animation-delay: -0.1s;
-    animation-delay: -0.1s;
-  }
-
-}
-
-@-webkit-keyframes bouncedelay {
-  0%, 80%, 100% { -webkit-transform: scale(0.0) }
-  40% { -webkit-transform: scale(1.0) }
-}
-
-@keyframes bouncedelay {
-  0%, 80%, 100% {
-    transform: scale(0.0);
-    -webkit-transform: scale(0.0);
-  } 40% {
-    transform: scale(1.0);
-    -webkit-transform: scale(1.0);
-  }
+  -webkit-animation: rotate-forever 1s infinite linear;
+  animation: rotate-forever 1s infinite linear;
+  height: 30px;
+  width: 30px;
+  border: 4px solid dark-light-diff($primary, $secondary, 50%, -50%);
+  border-right-color: transparent;
+  border-radius: 50%;
 }

app/assets/stylesheets/common/base/header.scss

@@ -274,12 +274,10 @@
     top: 0;
     right: 0;
     .spinner {
-      width: 16px;
-      height: 16px;
-      }
-    .container1 > div, .container2 > div, .container3 > div {
-      width: 4px;
-      height: 4px;
+      width: 10px;
+      height: 10px;
+      border-width: 2px;
+      margin: 20px 0 0 0;
       }
   }
   // I am ghetto using this to display "Show More".. be warned