42 lines
864 B
JavaScript
42 lines
864 B
JavaScript
/**
|
|
* @license
|
|
* Copyright The Closure Library Authors.
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
goog.provide('goog.events.EventId');
|
|
|
|
|
|
|
|
/**
|
|
* A templated class that is used when registering for events. Typical usage:
|
|
*
|
|
* /** @type {goog.events.EventId<MyEventObj>} *\
|
|
* var myEventId = new goog.events.EventId(
|
|
* goog.events.getUniqueId(('someEvent'));
|
|
*
|
|
* // No need to cast or declare here since the compiler knows the
|
|
* // correct type of 'evt' (MyEventObj).
|
|
* something.listen(myEventId, function(evt) {});
|
|
*
|
|
* @param {string} eventId
|
|
* @template T
|
|
* @constructor
|
|
* @struct
|
|
* @final
|
|
*/
|
|
goog.events.EventId = function(eventId) {
|
|
'use strict';
|
|
/** @const */ this.id = eventId;
|
|
};
|
|
|
|
|
|
/**
|
|
* @override
|
|
* @return {string}
|
|
*/
|
|
goog.events.EventId.prototype.toString = function() {
|
|
'use strict';
|
|
return this.id;
|
|
};
|