mirror of
https://github.com/the1812/Bilibili-Evolved.git
synced 2025-11-04 21:22:45 +08:00
168 lines
4.6 KiB
Vue
168 lines
4.6 KiB
Vue
<template>
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<div
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class="fresh-home-video-list scroll-top scroll-bottom"
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:class="{ 'not-empty': videos.length > 0 }"
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>
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<div class="fresh-home-video-list-mask left"></div>
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<div ref="content" class="fresh-home-video-list-content">
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<div v-if="videos.length === 0" class="fresh-home-video-list-empty">
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<VLoading v-if="loading" />
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<VEmpty v-else />
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</div>
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<VideoCardWrapper
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v-for="video of videos"
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v-else
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:key="video.id"
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:data="video"
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/>
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</div>
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<div class="fresh-home-video-list-mask right"></div>
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</div>
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</template>
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<script lang="ts">
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import { intersectionObserve } from '@/core/observer'
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import { VEmpty, VLoading } from '@/ui'
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import VideoCardWrapper from './VideoCardWrapper.vue'
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export default Vue.extend({
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components: {
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VEmpty,
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VLoading,
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VideoCardWrapper,
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},
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props: {
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videos: {
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type: Array,
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default: () => [],
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},
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loading: {
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type: Boolean,
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default: true,
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},
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},
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data() {
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return {
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observer: [],
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}
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},
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watch: {
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videos() {
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this.setupIntersection()
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},
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loading(loading: boolean) {
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if (!loading) {
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this.setupIntersection()
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}
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},
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},
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methods: {
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async setupIntersection() {
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await this.$nextTick()
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const observers = this.observer as IntersectionObserver[]
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if (observers) {
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observers.forEach(o => o.disconnect())
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this.observers = []
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}
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const container = this.$refs.content as HTMLElement
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const videoWrappers = dqa(container, '.fresh-home-video-card-wrapper') as HTMLElement[]
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if (videoWrappers.length === 0) {
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return
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}
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const observerConfig: IntersectionObserverInit = { threshold: [1], root: container }
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const [firstWrapper] = videoWrappers
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const [firstObserver] = intersectionObserve(
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[firstWrapper],
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observerConfig,
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records => records.forEach(r => {
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const isScrollTop = r.isIntersecting && r.intersectionRatio === 1
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this.$el.classList.toggle('scroll-top', isScrollTop)
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}),
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)
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this.observers.push(firstObserver)
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if (videoWrappers.length > 1) {
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const lastWrapper = videoWrappers[videoWrappers.length - 1]
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const [lastObserver] = intersectionObserve(
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[lastWrapper],
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observerConfig,
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records => records.forEach(r => {
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const isScrollBottom = r.isIntersecting && r.intersectionRatio === 1
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this.$el.classList.toggle('scroll-bottom', isScrollBottom)
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}),
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)
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this.observers.push(lastObserver)
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}
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},
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offsetPage(offset: number) {
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const container = this.$refs.content as HTMLElement
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const style = getComputedStyle(container)
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const containerWidth = container.clientWidth
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const wrapperWidth = parseFloat(style.getPropertyValue('--card-width')) + parseFloat(style.getPropertyValue('--card-padding'))
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const pageWidth = Math.trunc(containerWidth / wrapperWidth) * wrapperWidth
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container.scrollBy(offset * pageWidth, 0)
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},
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},
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})
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</script>
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<style lang="scss">
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@import "common";
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.fresh-home-video-list {
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--card-height: var(--home-content-height);
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--card-width: 200px;
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--card-padding: 12px;
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position: relative;
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display: flex;
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flex: 1 0 0;
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width: 0;
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&-content {
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@include h-center();
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@include no-scrollbar();
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overscroll-behavior: initial;
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flex: 1;
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min-height: calc(var(--home-content-height) + var(--card-padding) * 2);
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}
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&-empty {
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margin: var(--card-padding);
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border: 2px dashed #8884;
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border-radius: var(--home-card-radius);
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flex-grow: 1;
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align-self: stretch;
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@include h-center();
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}
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&.not-empty &-content {
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scroll-snap-type: x mandatory;
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}
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&-mask {
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opacity: 0;
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}
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&.not-empty &-mask {
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position: absolute;
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pointer-events: none;
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transition: .1s ease-out;
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width: 36px;
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opacity: 1;
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height: 100%;
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flex-shrink: 0;
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top: 0;
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z-index: 1;
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&.left {
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background: linear-gradient(to right, var(--home-base-color) 40%, rgba(0, 0, 0, 0) 100%);
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left: -2px;
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}
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&.right {
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background: linear-gradient(to left, var(--home-base-color) 40%, rgba(0, 0, 0, 0) 100%);
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right: -2px;
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}
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}
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&.scroll-top .fresh-home-video-list-mask.left {
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// background: linear-gradient(to right, var(--home-base-color) 0%, rgba(0, 0, 0, 0) 100%);
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width: 0;
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}
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&.scroll-bottom .fresh-home-video-list-mask.right {
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// background: linear-gradient(to left, var(--home-base-color) 0%, rgba(0, 0, 0, 0) 100%);
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width: 0;
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}
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}
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</style>
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