egirlskey/packages/frontend/src/components/MkMediaList.vue

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<template>
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<div>
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<XBanner v-for="media in mediaList.filter(media => !previewable(media))" :key="media.id" :media="media"/>
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<div v-if="mediaList.filter(media => previewable(media)).length > 0" :class="$style.container">
<div
ref="gallery"
:class="[
$style.medias,
count <= 4 ? $style['n' + count] : $style.nMany,
]"
>
<template v-for="media in mediaList.filter(media => previewable(media))">
<XVideo v-if="media.type.startsWith('video')" :key="`video:${media.id}`" :class="$style.media" :video="media"/>
<XImage v-else-if="media.type.startsWith('image')" :key="`image:${media.id}`" :class="$style.media" class="image" :data-id="media.id" :image="media" :raw="raw"/>
</template>
</div>
</div>
</div>
</template>
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<script lang="ts" setup>
import { onMounted, ref, useCssModule, watch } from 'vue';
import * as misskey from 'misskey-js';
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import PhotoSwipeLightbox from 'photoswipe/lightbox';
import PhotoSwipe from 'photoswipe';
import 'photoswipe/style.css';
import XBanner from '@/components/MkMediaBanner.vue';
import XImage from '@/components/MkMediaImage.vue';
import XVideo from '@/components/MkMediaVideo.vue';
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import * as os from '@/os';
import { FILE_TYPE_BROWSERSAFE } from '@/const';
import { defaultStore } from '@/store';
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const props = defineProps<{
mediaList: misskey.entities.DriveFile[];
raw?: boolean;
}>();
const $style = useCssModule();
const gallery = ref<HTMLDivElement>();
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const pswpZIndex = os.claimZIndex('middle');
document.documentElement.style.setProperty('--mk-pswp-root-z-index', pswpZIndex.toString());
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const count = $computed(() => props.mediaList.filter(media => previewable(media)).length);
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onMounted(() => {
const lightbox = new PhotoSwipeLightbox({
dataSource: props.mediaList
.filter(media => {
if (media.type === 'image/svg+xml') return true; // svgのwebpublicはpngなのでtrue
return media.type.startsWith('image') && FILE_TYPE_BROWSERSAFE.includes(media.type);
})
.map(media => {
const item = {
src: media.url,
w: media.properties.width,
h: media.properties.height,
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alt: media.comment ?? media.name,
comment: media.comment ?? media.name,
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};
if (media.properties.orientation != null && media.properties.orientation >= 5) {
[item.w, item.h] = [item.h, item.w];
}
return item;
}),
gallery: gallery.value,
mainClass: $style.pswp,
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children: '.image',
thumbSelector: '.image',
loop: false,
padding: window.innerWidth > 500 ? {
top: 32,
bottom: 90,
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left: 32,
right: 32,
} : {
top: 0,
bottom: 78,
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left: 0,
right: 0,
},
imageClickAction: 'close',
tapAction: 'toggle-controls',
bgOpacity: 1,
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pswpModule: PhotoSwipe,
});
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lightbox.on('itemData', (ev) => {
const { itemData } = ev;
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// element is children
const { element } = itemData;
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const id = element.dataset.id;
const file = props.mediaList.find(media => media.id === id);
if (!file) return;
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itemData.src = file.url;
itemData.w = Number(file.properties.width);
itemData.h = Number(file.properties.height);
if (file.properties.orientation != null && file.properties.orientation >= 5) {
[itemData.w, itemData.h] = [itemData.h, itemData.w];
}
itemData.msrc = file.thumbnailUrl;
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itemData.alt = file.comment ?? file.name;
itemData.comment = file.comment ?? file.name;
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itemData.thumbCropped = true;
});
lightbox.on('uiRegister', () => {
lightbox.pswp.ui.registerElement({
name: 'altText',
className: 'pwsp__alt-text-container',
appendTo: 'wrapper',
onInit: (el, pwsp) => {
let textBox = document.createElement('p');
textBox.className = 'pwsp__alt-text _acrylic';
el.appendChild(textBox);
pwsp.on('change', (a) => {
textBox.textContent = pwsp.currSlide.data.comment;
});
},
});
});
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lightbox.init();
window.addEventListener('popstate', () => {
if (lightbox.pswp && lightbox.pswp.isOpen === true) {
lightbox.pswp.close();
return;
}
});
lightbox.on('beforeOpen', () => {
history.pushState(null, '', '#pswp');
});
lightbox.on('close', () => {
if (window.location.hash === '#pswp') {
history.back();
}
});
});
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const previewable = (file: misskey.entities.DriveFile): boolean => {
if (file.type === 'image/svg+xml') return true; // svgのwebpublic/thumbnailはpngなのでtrue
// FILE_TYPE_BROWSERSAFEに適合しないものはブラウザで表示するのに不適切
return (file.type.startsWith('video') || file.type.startsWith('image')) && FILE_TYPE_BROWSERSAFE.includes(file.type);
};
</script>
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<style lang="scss" module>
.container {
position: relative;
width: 100%;
margin-top: 4px;
}
.medias {
display: grid;
grid-gap: 8px;
// for webkit
height: 100%;
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&.n1 {
aspect-ratio: 16/9;
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grid-template-rows: 1fr;
}
&.n2 {
aspect-ratio: 16/9;
grid-template-columns: 1fr 1fr;
grid-template-rows: 1fr;
}
&.n3 {
aspect-ratio: 16/9;
grid-template-columns: 1fr 0.5fr;
grid-template-rows: 1fr 1fr;
> .media:nth-child(1) {
grid-row: 1 / 3;
}
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> .media:nth-child(3) {
grid-column: 2 / 3;
grid-row: 2 / 3;
}
}
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&.n4 {
aspect-ratio: 16/9;
grid-template-columns: 1fr 1fr;
grid-template-rows: 1fr 1fr;
}
&.nMany {
grid-template-columns: 1fr 1fr;
> .media {
aspect-ratio: 16/9;
}
}
}
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.media {
overflow: hidden; // clipにするとバグる
border-radius: 8px;
}
.pswp {
--pswp-root-z-index: var(--mk-pswp-root-z-index, 2000700) !important;
--pswp-bg: var(--modalBg) !important;
}
</style>
<style lang="scss">
.pswp__bg {
background: var(--modalBg);
backdrop-filter: var(--modalBgFilter);
}
.pwsp__alt-text-container {
display: flex;
flex-direction: row;
align-items: center;
position: absolute;
bottom: 20px;
left: 50%;
transform: translateX(-50%);
width: 75%;
max-width: 800px;
}
.pwsp__alt-text {
color: var(--fg);
margin: 0 auto;
text-align: center;
padding: var(--margin);
border-radius: var(--radius);
max-height: 8em;
overflow-y: auto;
text-shadow: var(--bg) 0 0 10px, var(--bg) 0 0 3px, var(--bg) 0 0 3px;
white-space: pre-line;
}
</style>