app.js

  AngularApp
  .run(["$rootScope", function ($rootScope) {
    $rootScope.log_http_response = function (what, callback) {
      return function (data, status, headers, config) {
        console.log(what, data, status, headers, config);
        (callback || angular.noop)(data, status, headers, config);
      };
    };
    $rootScope.message = function () {
      var args = Array.prototype.slice.call(arguments);
      var message_type = 1;
      if (args.length > 1) {
        if (angular.isNumber(args[0]) && (args[0] >= 100)) {
          var type = args.shift();
          message_type = (Math.floor(type/100));
        }
      }
      this.$emit("message", message_type, args.join(" "));
    };
  }]);

index.html

<div ng-controller="MessagesCtrl">
   <div ng-include="'partials/messages.html'"></div>
</div>

messages.css

.notifications {
  position: fixed;
  z-index: 20;
  top: 10px;
  right: 10px;
}

messages.html

<div class="notifications">
  <div ng-show="loading">
    <div ng-include="'partials/spinner_small.html'"></div>
  </div>
</div>

<div class="notifications">
  <div ng-repeat="message in messages" class="alert fade {{message.type}}" bs-alert>
    {{message.text}}
  </div>
</div>

MessagesCtrl.js

(function () {
  /*jshint laxcomma:true, asi:true */
  'use strict';

  var CONTROLLER_NAME = "MessagesCtrl";

  function controller($scope, $timeout, loading) {
    $scope.messages = [];
    var messages_type = ["alert-info",
                         "alert-success",
                         "",
                         "alert-error",
                         "alert-error"];


    $scope.list_template="partials/spinner.html";
    $scope.$on("message",function (event, type, message) {
      $scope.messages.push({type: messages_type[type-1], text: message});
      $timeout(function () {
        $scope.messages.shift();
      }, 5000);
    });
    

    $scope.$watch(function() { return loading.isLoading(); }, 
                  function(value) { $scope.loading = value;});
  }

  controller.$inject = ['$scope', '$timeout', 'loading'];

  angular
    .module("AngularApp")
    .controller(CONTROLLER_NAME, controller);

})();