nifty-wallet/ui/app/components/mascot.js

66 lines
1.7 KiB
JavaScript

const inherits = require('util').inherits
const Component = require('react').Component
const h = require('react-hyperscript')
const metamaskLogo = require('metamask-logo')
const getCaretCoordinates = require('textarea-caret')
const debounce = require('debounce')
module.exports = Mascot
inherits(Mascot, Component)
function Mascot() {
Component.call(this)
this.logo = metamaskLogo({
followMouse: true,
pxNotRatio: true,
width: 200,
height: 200,
})
if (!this.logo) return
this.refollowMouse = debounce(this.logo.setFollowMouse.bind(this.logo, true), 1000)
this.unfollowMouse = this.logo.setFollowMouse.bind(this.logo, false)
}
Mascot.prototype.render = function() {
// this is a bit hacky
// the event emitter is on `this.props`
// and we dont get that until render
this.handleAnimationEvents()
return (
h('#metamask-mascot-container')
)
}
Mascot.prototype.componentDidMount = function() {
if (!this.logo) return
var targetDivId = 'metamask-mascot-container'
var container = document.getElementById(targetDivId)
container.appendChild(this.logo.canvas)
}
Mascot.prototype.componentWillUnmount = function() {
if (!this.logo) return
this.logo.canvas.remove()
}
Mascot.prototype.handleAnimationEvents = function(){
if (!this.logo) return
// only setup listeners once
if (this.animations) return
this.animations = this.props.animationEventEmitter
this.animations.on('point', this.lookAt.bind(this))
this.animations.on('setFollowMouse', this.logo.setFollowMouse.bind(this.logo))
}
Mascot.prototype.lookAt = function(target){
if (!this.logo) return
this.unfollowMouse()
this.logo.lookAt(target)
this.refollowMouse()
}