File: event-custom/js/handle.js
/**
* Return value from all subscribe operations
* @class EventHandle
* @constructor
* @param {CustomEvent} evt the custom event.
* @param {Subscriber} sub the subscriber.
*/
Y.EventHandle = function(evt, sub) {
/**
* The custom event
*
* @property evt
* @type CustomEvent
*/
this.evt = evt;
/**
* The subscriber object
*
* @property sub
* @type Subscriber
*/
this.sub = sub;
};
Y.EventHandle.prototype = {
batch: function(f, c) {
f.call(c || this, this);
if (Y.Lang.isArray(this.evt)) {
Y.Array.each(this.evt, function(h) {
h.batch.call(c || h, f);
});
}
},
/**
* Detaches this subscriber
* @method detach
* @return {Number} the number of detached listeners
*/
detach: function() {
var evt = this.evt, detached = 0, i;
if (evt) {
// Y.log('EventHandle.detach: ' + this.sub, 'info', 'Event');
if (Y.Lang.isArray(evt)) {
for (i = 0; i < evt.length; i++) {
detached += evt[i].detach();
}
} else {
evt._delete(this.sub);
detached = 1;
}
}
return detached;
},
/**
* Monitor the event state for the subscribed event. The first parameter
* is what should be monitored, the rest are the normal parameters when
* subscribing to an event.
* @method monitor
* @param what {string} what to monitor ('attach', 'detach', 'publish').
* @return {EventHandle} return value from the monitor event subscription.
*/
monitor: function(what) {
return this.evt.monitor.apply(this.evt, arguments);
}
};