BodyBindKeydown

gistfile1.js

.directive('bindKeydown', function () {
        return {
            restrict: 'A',
            link: function (scope, element) {
                element.bind('keydown', function (e) {
                    if (e.target === element[0]) {
                        scope.$broadcast('body:keydown', e.keyCode);
                    }
                });
            }
        };
    })