JS: Add actions.js

r2/r2/public/static/js/actions.js

@@ -0,0 +1,28 @@
+!function(r) {
+  r.actions = {
+    trigger: function(actionName, payload) {
+      payload = payload || {};
+      payload.action = actionName;
+      var eventName = 'action:' + actionName;
+      var $e = $.Event(eventName, payload);
+
+      $(document.body).trigger($e);
+
+      if ($e.isDefaultPrevented()) {
+        $(document.body).trigger($.Event(eventName + ':failure', payload));
+      } else {
+        $(document.body).trigger($.Event(eventName + ':success', payload));
+      }
+
+      $(document.body).trigger($.Event(eventName + ':complete', payload));
+    },
+
+    on: function(actionName, fn) {
+      $(document.body).on('action:' + actionName, fn);
+    },
+
+    off: function(actionName, fn) {
+      $(document.body).off('action:' + actionName, fn);
+    },
+  };
+}(r);