pinafore/routes/_components/NonAutoplayImg.html
Nolan Lawson 8949b36873
Use img.decode() (#473)
* remove will-change:transform from container

* WIP: use img.decode()

* more work on img.decode
2018-08-22 21:00:53 -07:00

60 lines
1.3 KiB
HTML

<img
class={computedClass}
aria-hidden={ariaHidden}
{alt}
{title}
{width}
{height}
src={displaySrc}
on:mouseover="onMouseOver(event)"
/>
<style>
.non-autoplay-zoom-in {
cursor: zoom-in;
}
.non-autoplay-zoom-in.is-link {
cursor: pointer;
}
</style>
<script>
import { mouseover } from '../_utils/events'
import { decodeImage } from '../_utils/decodeImage'
import { ONE_TRANSPARENT_PIXEL } from '../_static/media'
import { classname } from '../_utils/classname'
export default {
async oncreate () {
let { staticSrc } = this.get()
try {
await decodeImage(staticSrc)
this.set({ displaySrc: staticSrc })
this.fire('imgLoad')
} catch (e) {
this.fire('imgLoadError', e)
}
},
methods: {
onMouseOver (mouseOver) {
let { src, staticSrc, displaySrc } = this.get()
if (displaySrc !== ONE_TRANSPARENT_PIXEL) {
this.set({ displaySrc: mouseOver ? src : staticSrc })
}
}
},
events: {
mouseover
},
data: () => ({
displaySrc: ONE_TRANSPARENT_PIXEL,
alt: '',
title: ''
}),
computed: {
computedClass: ({className, src, staticSrc, isLink}) => (classname(
className,
src !== staticSrc && 'non-autoplay-zoom-in',
isLink && 'is-link'
))
}
}
</script>