Driver.js
1.63 KB
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/**
* This is the base class for {@link Ext.ux.event.Recorder} and {@link Ext.ux.event.Player}.
*/
Ext.define('Ext.ux.event.Driver', {
active: null,
mixins: {
observable: 'Ext.util.Observable'
},
constructor: function (config) {
var me = this;
me.mixins.observable.constructor.apply(this, arguments);
me.addEvents(
/**
* @event start
* Fires when this object is started.
* @param {Ext.ux.event.Driver} this
*/
'start',
/**
* @event stop
* Fires when this object is stopped.
* @param {Ext.ux.event.Driver} this
*/
'stop'
);
},
getTime: function () {
return new Date().getTime();
},
/**
* Returns the number of milliseconds since start was called.
*/
getTimestamp: function () {
var d = this.getTime();
return d - this.startTime;
},
onStart: function () {},
onStop: function () {},
/**
* Starts this object. If this object is already started, nothing happens.
*/
start: function () {
var me = this;
if (!me.active) {
me.active = new Date();
me.startTime = me.getTime();
me.onStart();
me.fireEvent('start', me);
}
},
/**
* Stops this object. If this object is not started, nothing happens.
*/
stop: function () {
var me = this;
if (me.active) {
me.active = null;
me.onStop();
me.fireEvent('stop', me);
}
}
});