Wrapper around angular-foundation $modal service

modal-service.js

angular.module('services').factory('ModalService', 
function ($modal, $timeout) {
    /**
     * Provides a thin wrapper around a $modalInstance to help
     * navigate around double-dismiss cases.
     * @param the $modalInstance to wrap
     * @constructor
     */
    function Modal(instance) {
        this.instance = instance;
    }
    /**
     * Set the timeout handler that is
     * registered to dismiss the modal.
     */
    Modal.prototype.setTimeout = function(timeout) {
        this.timeout = timeout;
    };
    /**
     * Relay dismiss call to $modalInstance
     * @param reason
     */
    Modal.prototype.dismiss = function(reason) {
        if(this.timeout) {
            $timeout.cancel(this.timeout);
            this.timeout = undefined;
        }
        return this.instance.dismiss(reason);
    };
    /**
     * Relay close call to $modalInstance
     * @param result
     */
    Modal.prototype.close = function(result) {
        if(this.timeout) {
            $timeout.cancel(this.timeout);
            this.timeout = undefined;
        }
        return this.instance.close(result);
    };

    var open = function(params) {
        var modalInstance = $modal.open({
            templateUrl: params.templateUrl ? params.templateUrl : 'views/core/directives/foundation/modal-default.html',
            controller: ModalInstanceCtrl,
            backdrop: 'static',
            windowClass: 'notification',
            resolve: {
                heading: function () {
                    return params.heading;
                },
                messages: function () {
                    return params.messages;
                },
                size: function () {
                    return params.size;
                },
                extraParams: function () {
                    return params.extraParams;
                }
            }
        });

        var newModal = new Modal(modalInstance);

        if (params.timeout) {
            newModal.setTimeout($timeout(function() {
                newModal.dismiss('timeout');
            }, params.timeout));
        }

        return newModal;
    };

    return {
        open: open
    };
}]);