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import Base from './Base.js'
import { on, off, dispatch } from './event.js'
import { registerMethods } from './methods.js'
export default class EventTarget extends Base {
constructor ({ events = {} } = {}) {
super()
this.events = events
}
addEventListener () {}
// Bind given event to listener
on (event, listener, binding, options) {
on(this, event, listener, binding, options)
return this
}
// Unbind event from listener
off (event, listener) {
off(this, event, listener)
return this
}
dispatch (event, data) {
return dispatch(this, event, data)
}
dispatchEvent (event) {
const bag = this.getEventHolder().events
if (!bag) return true
const events = bag[event.type]
for (let i in events) {
for (let j in events[i]) {
events[i][j](event)
}
}
return !event.defaultPrevented
}
// Fire given event
fire (event, data) {
this.dispatch(event, data)
return this
}
getEventHolder () {
return this
}
getEventTarget () {
return this
}
removeEventListener () {}
}
// Add events to elements
const methods = [ 'click',
'dblclick',
'mousedown',
'mouseup',
'mouseover',
'mouseout',
'mousemove',
'mouseenter',
'mouseleave',
'touchstart',
'touchmove',
'touchleave',
'touchend',
'touchcancel' ].reduce(function (last, event) {
// add event to Element
const fn = function (f) {
if (f === null) {
off(this, event)
} else {
on(this, event, f)
}
return this
}
last[event] = fn
return last
}, {})
registerMethods('Element', methods)
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