69 lines
1.2 KiB
JavaScript
69 lines
1.2 KiB
JavaScript
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/**
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* @constructor
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*/
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var EmitterSteward = function(emitter) {
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this.currentEmitter = null;
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this.counter = 0;
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this.debug = function (msg, vars) {
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emitter.emit("msg:debug", {msg: msg, vars: vars});
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};
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this.setWatcher(1000);
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};
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/**
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* @param timeout
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*/
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EmitterSteward.prototype.setWatcher = function (timeout) {
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var that = this;
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this._int = setInterval(function () {
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that.currentEmitter = null;
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}, timeout);
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};
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/**
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* Clear the interval
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*/
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EmitterSteward.prototype.destroy = function () {
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if (this._int) {
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return clearInterval(this._int);
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}
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};
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/**
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* @param id
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* @returns {boolean}
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*/
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EmitterSteward.prototype.valid = function (id) {
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var counter = this.counter += 1;
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var debug = this.debug;
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if (!this.currentEmitter) {
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this.currentEmitter = id;
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debug("%s:Setting current emitter:", counter);
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return true;
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} else {
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if (id === this.currentEmitter) {
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debug("%s:Same emitter, allowing event", counter);
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return true;
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} else {
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debug("%s:Emitter set, but a different one, refusing", counter);
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return false;
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}
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}
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};
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module.exports = EmitterSteward;
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