misskey/src/client/components/media-list.vue

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<template>
<div class="mk-media-list">
<template v-for="media in mediaList.filter(media => !previewable(media))">
<x-banner :media="media" :key="media.id"/>
</template>
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<div v-if="mediaList.filter(media => previewable(media)).length > 0" class="gird-container" ref="gridOuter">
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<div :data-count="mediaList.filter(media => previewable(media)).length" :style="gridInnerStyle">
<template v-for="media in mediaList">
<x-video :video="media" :key="media.id" v-if="media.type.startsWith('video')"/>
<x-image :image="media" :key="media.id" v-else-if="media.type.startsWith('image')" :raw="raw"/>
</template>
</div>
</div>
</div>
</template>
<script lang="ts">
import Vue from 'vue';
import XBanner from './media-banner.vue';
import XImage from './media-image.vue';
import XVideo from './media-video.vue';
export default Vue.extend({
components: {
XBanner,
XImage,
XVideo,
},
props: {
mediaList: {
required: true
},
raw: {
default: false
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},
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// specify the parent element
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parentElement: {}
},
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data() {
return {
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gridInnerStyle: {},
sizeWaiting: false
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}
},
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mounted() {
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this.size();
window.addEventListener('resize', this.size);
},
beforeDestroy() {
window.removeEventListener('resize', this.size);
},
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activated() {
this.size();
},
methods: {
previewable(file) {
return file.type.startsWith('video') || file.type.startsWith('image');
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},
size() {
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// for Safari bug
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if (this.sizeWaiting) return;
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this.sizeWaiting = true;
window.requestAnimationFrame(() => {
this.sizeWaiting = false;
if (this.$refs.gridOuter) {
let height = 287;
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const parent = this.parentElement || this.$parent.$el;
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if (this.$refs.gridOuter.clientHeight) {
height = this.$refs.gridOuter.clientHeight;
} else if (parent) {
height = parent.getBoundingClientRect().width * 9 / 16;
}
this.gridInnerStyle = { height: `${height}px` };
} else {
this.gridInnerStyle = {};
}
});
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}
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},
watch: {
parentElement() {
this.size();
}
}
});
</script>
<style lang="scss" scoped>
.mk-media-list {
> .gird-container {
position: relative;
width: 100%;
margin-top: 4px;
&:before {
content: '';
display: block;
padding-top: 56.25% // 16:9;
}
> div {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
display: grid;
grid-gap: 4px;
> * {
overflow: hidden;
border-radius: 4px;
}
&[data-count="1"] {
grid-template-rows: 1fr;
}
&[data-count="2"] {
grid-template-columns: 1fr 1fr;
grid-template-rows: 1fr;
}
&[data-count="3"] {
grid-template-columns: 1fr 0.5fr;
grid-template-rows: 1fr 1fr;
> *:nth-child(1) {
grid-row: 1 / 3;
}
> *:nth-child(3) {
grid-column: 2 / 3;
grid-row: 2 / 3;
}
}
&[data-count="4"] {
grid-template-columns: 1fr 1fr;
grid-template-rows: 1fr 1fr;
}
> *:nth-child(1) {
grid-column: 1 / 2;
grid-row: 1 / 2;
}
> *:nth-child(2) {
grid-column: 2 / 3;
grid-row: 1 / 2;
}
> *:nth-child(3) {
grid-column: 1 / 2;
grid-row: 2 / 3;
}
> *:nth-child(4) {
grid-column: 2 / 3;
grid-row: 2 / 3;
}
}
}
}
</style>