90 lines
1.9 KiB
Vue
90 lines
1.9 KiB
Vue
<template>
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<img ref="img" :class="['video-scroll-image', {visible, displayed, loaded}]" :src="currentSrc"/>
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</template>
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<script lang="ts">
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import {defineComponent, PropType, ref, Ref} from "vue";
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export default defineComponent({
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name: "VideoScrollImage",
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props: {
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definition: {
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type: Object as PropType<VideoScrollImageDef>,
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required: true
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},
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visible: {
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type: Boolean,
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required: true
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}
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},
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data() {
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return {
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currentSrc: undefined as undefined | string,
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displayed: false,
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loaded: false,
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};
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},
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watch: {
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visible() {
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if (!this.img) {
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return;
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}
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if (this.visible && !this.loaded) {
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console.debug(`[VIDEOSCROLLIMAGE] Intersected, loading ${this.definition.fullres}`);
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this.currentSrc = this.definition.fullres;
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setTimeout(() => {
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this.displayed = true;
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}, 3000);
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this.img.onload = () => {
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this.displayed = true;
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this.loaded = true;
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// if (this.isHorizontal) {
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// this.img!.style.height = "auto";
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// } else {
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// this.img!.style.width = "auto";
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// }
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};
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}
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}
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},
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setup(props) {
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const img = ref<HTMLImageElement | null>(null);
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const currentSrc: Ref<string | undefined> = ref(undefined);
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return {
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img,
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currentSrc
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};
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}
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});
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export interface VideoScrollImageDef {
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fullres: string
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}
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</script>
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<!-- Add "scoped" attribute to limit CSS to this component only -->
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<style>
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.video-scroll-image {
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position: absolute;
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image-rendering: optimizeSpeed;
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visibility: hidden;
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opacity: 0;
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transition: opacity .5s;
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}
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.video-scroll-image.visible {
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visibility: visible !important;
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}
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.video-scroll-image.loaded {
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background: transparent !important;
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}
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.video-scroll-image.displayed {
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background: gray;
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opacity: 1 !important;
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}
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</style>
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