///////////////////////////////////////////////////////////////////////////// Sys.Timer = function() { Sys.Timer.initializeBase(this);this._interval = 1000;this._enabled = false;this._timer = null;} Sys.Timer.prototype = { get_interval: function() { return this._interval;}, set_interval: function(value) { if (this._interval !== value) { this._interval = value;this.raisePropertyChanged('interval');if (!this.get_isUpdating() && (this._timer !== null)) { this._stopTimer();this._startTimer();} } }, get_enabled: function() { return this._enabled;}, set_enabled: function(value) { if (value !== this.get_enabled()) { this._enabled = value;this.raisePropertyChanged('enabled');if (!this.get_isUpdating()) { if (value) { this._startTimer();} else { this._stopTimer();} } } }, add_tick: function(handler) { this.get_events().addHandler("tick", handler);}, remove_tick: function(handler) { this.get_events().removeHandler("tick", handler);}, dispose: function() { this.set_enabled(false);this._stopTimer();Sys.Timer.callBaseMethod(this, 'dispose');}, updated: function() { Sys.Timer.callBaseMethod(this, 'updated');if (this._enabled) { this._stopTimer();this._startTimer();} }, _timerCallback: function() { var handler = this.get_events().getHandler("tick");if (handler) { handler(this, Sys.EventArgs.Empty);} }, _startTimer: function() { this._timer = window.setInterval(Function.createDelegate(this, this._timerCallback), this._interval);}, _stopTimer: function() { window.clearInterval(this._timer);this._timer = null;} } Sys.Timer.descriptor = { properties: [ {name: 'interval', type: Number}, {name: 'enabled', type: Boolean} ], events: [ {name: 'tick'} ] } Sys.Timer.registerClass('Sys.Timer', Sys.Component);