Merge pull request #548 from ethereum/eventManager
EventManager fix use event with anonymous objpull/1/head
commit
10cdc1dcb4
@ -1,65 +0,0 @@ |
|||||||
'use strict' |
|
||||||
|
|
||||||
function eventManager () { |
|
||||||
this.registered = {} |
|
||||||
} |
|
||||||
|
|
||||||
/* |
|
||||||
* Unregister a listenner. |
|
||||||
* Note that if obj is a function. the unregistration will be applied to the dummy obj {}. |
|
||||||
* |
|
||||||
* @param {String} eventName - the event name |
|
||||||
* @param {Object or Func} obj - object that will listen on this event |
|
||||||
* @param {Func} func - function of the listenners that will be executed |
|
||||||
*/ |
|
||||||
eventManager.prototype.unregister = function (eventName, obj, func) { |
|
||||||
if (obj instanceof Function) { |
|
||||||
func = obj |
|
||||||
obj = {} |
|
||||||
} |
|
||||||
for (var reg in this.registered[eventName]) { |
|
||||||
if (this.registered[eventName][reg] && |
|
||||||
this.registered[eventName][reg].obj === obj && (!func || this.registered[eventName][reg].func === func)) { |
|
||||||
this.registered[eventName].splice(reg, 1) |
|
||||||
return |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
/* |
|
||||||
* Register a new listenner. |
|
||||||
* Note that if obj is a function, the function registration will be associated with the dummy object {} |
|
||||||
* |
|
||||||
* @param {String} eventName - the event name |
|
||||||
* @param {Object or Func} obj - object that will listen on this event |
|
||||||
* @param {Func} func - function of the listenners that will be executed |
|
||||||
*/ |
|
||||||
eventManager.prototype.register = function (eventName, obj, func) { |
|
||||||
if (!this.registered[eventName]) { |
|
||||||
this.registered[eventName] = [] |
|
||||||
} |
|
||||||
if (obj instanceof Function) { |
|
||||||
func = obj |
|
||||||
obj = {} |
|
||||||
} |
|
||||||
this.registered[eventName].push({ |
|
||||||
obj: obj, |
|
||||||
func: func |
|
||||||
}) |
|
||||||
} |
|
||||||
|
|
||||||
/* |
|
||||||
* trigger event. |
|
||||||
* Every listenner have their associated function executed |
|
||||||
* |
|
||||||
* @param {String} eventName - the event name |
|
||||||
* @param {Array}j - argument that will be passed to the exectued function. |
|
||||||
*/ |
|
||||||
eventManager.prototype.trigger = function (eventName, args) { |
|
||||||
for (var listener in this.registered[eventName]) { |
|
||||||
var l = this.registered[eventName][listener] |
|
||||||
l.func.apply(l.obj, args) |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
module.exports = eventManager |
|
Loading…
Reference in new issue