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);