Complete revamp of the forum video bbcode.
Rather than blindly embedding everything, video metadata is first requested through the URL metadata lookup service. This slightly protects you from automatically connecting to third party servers and also vastly improves page loading performance in tandem with caching on the server. A similar implementation will eventually make its way to the audio bbcode and will also be worked in the img bbcode somehow. This will then eventually make it possible to embed audio and video in markdown the same way you'd embed an image.
This commit is contained in:
parent
6727abe6c3
commit
d5bb0bb475
167
assets/css/misuzu/embed.css
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167
assets/css/misuzu/embed.css
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@ -0,0 +1,167 @@
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.embed {
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display: inline-block;
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overflow: hidden;
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}
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.embed iframe {
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width: 100%;
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height: 100%;
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display: block;
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}
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.embedph {
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display: inline-block;
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overflow: hidden;
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cursor: pointer;
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color: var(--text-colour);
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text-decoration: none;
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}
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.embedph:hover .embedph-bg img,
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.embedph:active .embedph-bg img,
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.embedph:focus .embedph-bg img,
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.embedph:focus-within .embedph-bg img {
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transform: scale(1.1);
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filter: blur(10px) brightness(80%);
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}
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.embedph:hover .embedph-info,
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.embedph:active .embedph-info,
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.embedph:focus .embedph-info,
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.embedph:focus-within .embedph-info {
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opacity: 0;
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}
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.embedph:hover .embedph-play,
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.embedph:active .embedph-play,
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.embedph:focus .embedph-play,
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.embedph:focus-within .embedph-play {
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opacity: 1;
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}
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.embedph-bg {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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overflow: hidden;
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}
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.embedph-bg img {
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object-fit: cover;
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width: 100%;
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height: 100%;
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display: inline-block;
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will-change: transform, filter;
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transition: transform .2s, filter .2s;
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}
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.embedph-fg {
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width: 100%;
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height: 100%;
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}
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.embedph-info {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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display: flex;
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align-items: flex-end;
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will-change: opacity;
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transition: opacity .2s;
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}
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.embedph-info-wrap {
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margin: 5px;
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background-color: var(--background-colour-translucent-8);
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border-radius: 5px;
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display: flex;
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backdrop-filter: blur(10px);
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-webkit-backdrop-filter: blur(10px);
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}
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.embedph-info-bar {
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width: 5px;
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margin: 5px;
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border-radius: 5px;
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flex: 0 0 auto;
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background-color: var(--embedph-colour, var(--accent-colour));
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}
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.embedph-info-body {
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margin: 10px;
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margin-left: 5px;
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}
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.embedph-info-title {
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font-size: 2em;
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font-weight: 400;
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line-height: 1.1em;
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margin-bottom: 5px;
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}
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.embedph-info-desc {
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line-height: 1.4em;
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margin: .5em 0;
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}
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.embedph-info-site {
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font-size: .9em;
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line-height: 1.2em;
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}
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@media (max-width: 640px) {
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.embedph-info-title {
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font-size: 1.5em;
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line-height: 1.2em;
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}
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.embedph-info-desc {
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display: none;
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}
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}
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.embedph-play {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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opacity: 0;
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will-change: opacity;
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transition: opacity .2s;
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}
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.embedph-play-internal {
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margin-top: 40px;
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margin-bottom: 20px;
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}
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.embedph-play-external {
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padding: 5px 10px;
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font-size: 1.2em;
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line-height: 1.5em;
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text-decoration: none;
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color: var(--text-colour);
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background-color: var(--background-colour-translucent-6);
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border-radius: 5px;
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backdrop-filter: blur(10px);
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-webkit-backdrop-filter: blur(10px);
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will-change: background-color;
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transition: background-color .2s, transform .2s;
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}
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.embedph-play-external:hover,
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.embedph-play-external:focus {
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background-color: var(--background-colour-translucent-8);
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transform: scale(1.2);
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}
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.embed-youtube,
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.embedph-youtube {
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aspect-ratio: 16 / 9;
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width: 100%;
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height: 100%;
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max-width: 560px;
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max-height: 315px;
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}
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.embed-nicovideo,
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.embedph-nicovideo {
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aspect-ratio: 16 / 9;
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width: 100%;
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height: 100%;
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max-width: 640px;
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max-height: 360px;
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}
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@ -1,4 +1,6 @@
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var Misuzu = function() {
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const UIHARU_API = location.protocol + '//uiharu.' + location.host;
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timeago.render($qa('time'));
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hljs.initHighlighting();
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@ -6,6 +8,268 @@ var Misuzu = function() {
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Misuzu.Forum.Editor.init();
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Misuzu.Events.dispatch();
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Misuzu.initLoginPage();
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const embeds = Array.from($qa('.js-msz-embed-media'));
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if(embeds.length > 0) {
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$as(embeds);
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const uiharu = new Uiharu(UIHARU_API)
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elems = new Map(embeds.map(function(elem) { return [elem.dataset.mszEmbedUrl, elem]; }));
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uiharu.lookupMany(Array.from(elems.keys()), function(resp) {
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if(resp.results === undefined)
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return; // rip
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for(const result of resp.results) {
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if(result.error) {
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console.error(result.error);
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continue;
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}
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if(result.info.title === undefined) {
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console.warn('Media is no longer available.');
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continue;
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}
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let elem = elems.get(result.url);
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(function(elem, info) {
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const replaceElement = function(body) {
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$ib(elem, body);
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$r(elem);
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elem = body;
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};
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const createEmbedPH = function(type, info, onclick, width, height) {
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let infoChildren = [];
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infoChildren.push({
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tag: 'h1',
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attrs: {
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className: 'embedph-info-title',
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},
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child: info.title,
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});
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if(info.description) {
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let firstLine = info.description.split("\n")[0].trim();
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if(firstLine.length > 300)
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firstLine = firstLine.substring(0, 300).trim() + '...';
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infoChildren.push({
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tag: 'div',
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attrs: {
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className: 'embedph-info-desc',
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},
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child: firstLine,
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});
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}
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infoChildren.push({
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tag: 'div',
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attrs: {
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className: 'embedph-info-site',
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},
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child: info.site_name,
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});
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let style = info.color === undefined ? '' : ('--embedph-colour: ' + info.color);
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if(width !== undefined)
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style += 'width: ' + width.toString() + ';';
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if(height !== undefined)
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style += 'height: ' + height.toString() + ';';
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let bgElem;
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if(info.image !== undefined) {
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bgElem = {
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tag: 'img',
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attrs: {
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src: info.image,
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},
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};
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} else {
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bgElem = {};
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}
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return $e({
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attrs: {
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href: 'javascript:void(0);',
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className: ('embedph embedph-' + type),
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style: style,
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},
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child: [
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{
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attrs: {
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className: 'embedph-bg',
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},
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child: bgElem,
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},
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{
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attrs: {
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className: 'embedph-fg',
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},
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child: [
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{
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attrs: {
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className: 'embedph-info',
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},
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child: {
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attrs: {
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className: 'embedph-info-wrap',
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},
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child: [
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{
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attrs: {
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className: 'embedph-info-bar',
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},
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},
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{
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attrs: {
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className: 'embedph-info-body',
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},
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child: infoChildren,
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}
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],
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},
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},
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{
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attrs: {
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className: 'embedph-play',
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onclick: function(ev) {
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if(ev.target.tagName.toLowerCase() !== 'a')
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onclick(ev);
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},
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},
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child: [
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{
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attrs: {
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className: 'embedph-play-internal',
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},
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child: {
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tag: 'i',
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attrs: {
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className: 'fas fa-play fa-4x fa-fw',
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},
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},
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},
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{
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tag: 'a',
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attrs: {
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className: 'embedph-play-external',
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href: info.url,
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target: '_blank',
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rel: 'noopener',
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},
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child: ('or watch on ' + info.site_name + '?'),
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}
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],
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}
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],
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},
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],
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});
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};
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if(info.type === 'youtube:video') {
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let embedUrl = 'https://www.youtube.com/embed/' + info.youtube_video_id + '?rel=0&autoplay=1';
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if(info.youtube_start_time)
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embedUrl += '&t=' + encodeURIComponent(info.youtube_start_time);
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if(info.youtube_playlist) {
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embedUrl += '&list=' + encodeURIComponent(info.youtube_playlist);
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if(info.youtube_playlist_index)
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embedUrl += '&index=' + encodeURIComponent(info.youtube_playlist_index);
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}
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replaceElement(createEmbedPH('youtube', info, function() {
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replaceElement($e({
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attrs: {
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className: 'embed embed-youtube',
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},
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child: {
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tag: 'iframe',
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attrs: {
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frameborder: 0,
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allow: 'accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture',
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allowfullscreen: 'allowfullscreen',
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src: embedUrl,
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},
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},
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}));
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}));
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} else if(info.type === 'niconico:video') {
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let embedUrl = 'https://embed.nicovideo.jp/watch/' + info.nicovideo_video_id + '/script?w=100%25&h=100%25&autoplay=1';
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if(info.nicovideo_start_time)
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embedUrl += '&from=' + encodeURIComponent(info.nicovideo_start_time);
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replaceElement(createEmbedPH('nicovideo', info, function() {
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replaceElement($e({
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attrs: {
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className: 'embed embed-nicovideo',
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},
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child: {
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tag: 'script',
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attrs: {
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async: 'async',
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src: embedUrl,
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},
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},
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}));
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}));
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} else if(info.type === 'media') {
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if(info.is_video) {
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let width = info.width,
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height = info.height;
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const gcd = function(a, b) {
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return (b == 0) ? a : gcd(b, a % b);
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};
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let ratio = gcd(width, height),
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widthRatio = width / ratio,
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heightRatio = height / ratio;
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if(width > height) {
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width = Math.min(640, width);
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height = Math.ceil((width / widthRatio) * heightRatio).toString() + 'px';
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width = width.toString() + 'px';
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} else {
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height = Math.min(360, height);
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width = Math.ceil((height / heightRatio) * widthRatio).toString() + 'px';
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height = height.toString() + 'px';
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}
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replaceElement(createEmbedPH('external', info, function() {
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replaceElement($e({
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attrs: {
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className: 'embed embed-external',
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},
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child: {
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tag: 'video',
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attrs: {
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autoplay: 'autoplay',
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controls: 'controls',
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src: info.url,
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style: {
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width: width,
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height: height,
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},
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},
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},
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}));
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}, width, height));
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} else if(info.is_audio) {
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// coming someday
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}
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}
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})(elem, result.info);
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}
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});
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}
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};
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Misuzu.showMessageBox = function(text, title, buttons) {
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if($q('.messagebox'))
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58
assets/js/misuzu/uiharu.js
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58
assets/js/misuzu/uiharu.js
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const Uiharu = function(apiUrl) {
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const maxBatchSize = 5;
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const lookupOneUrl = apiUrl + '/metadata',
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lookupManyUrl = apiUrl + '/metadata/batch';
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const lookupManyInternal = function(targetUrls, callback) {
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const formData = new FormData;
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for(const url of targetUrls)
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formData.append('url[]', url);
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const xhr = new XMLHttpRequest;
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xhr.addEventListener('load', function() {
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callback(JSON.parse(xhr.responseText));
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});
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xhr.addEventListener('error', function(ev) {
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callback({ status: xhr.status, error: 'xhr', details: ev });
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});
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xhr.open('POST', lookupManyUrl);
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xhr.send(formData);
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};
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return {
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lookupOne: function(targetUrl, callback) {
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if(typeof callback !== 'function')
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throw 'callback is missing';
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targetUrl = (targetUrl || '').toString();
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if(targetUrl.length < 1)
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return;
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const xhr = new XMLHttpRequest;
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xhr.addEventListener('load', function() {
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callback(JSON.parse(xhr.responseText));
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});
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xhr.addEventListener('error', function() {
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callback({ status: xhr.status, error: 'xhr', details: ex });
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});
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xhr.open('POST', lookupOneUrl);
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xhr.send(targetUrl);
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},
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lookupMany: function(targetUrls, callback) {
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if(!Array.isArray(targetUrls))
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throw 'targetUrls must be an array of urls';
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if(typeof callback !== 'function')
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throw 'callback is missing';
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if(targetUrls < 1)
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return;
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if(targetUrls.length <= maxBatchSize) {
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lookupManyInternal(targetUrls, callback);
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return;
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}
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for(let i = 0; i < targetUrls.length; i += maxBatchSize)
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lookupManyInternal(targetUrls.slice(i, i + maxBatchSize), callback);
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},
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};
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};
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@ -10,13 +10,11 @@ final class AudioTag extends BBCodeTag {
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function ($matches) {
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$url = parse_url($matches[1]);
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if(empty($url['scheme']) || !in_array(mb_strtolower($url['scheme']), ['http', 'https'], true)) {
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if(empty($url['scheme']) || !in_array(mb_strtolower($url['scheme']), ['http', 'https'], true))
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return $matches[0];
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}
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//$url['host'] = mb_strtolower($url['host']);
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//return sprintf('<span class="js-msz-embed-media" data-msz-embed-url="%1$s"><a href="%1$s" class="link" rel="noopener noreferrer">%1$s</a></span>', $matches[1]);
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//$mediaUrl = url_proxy_media($matches[1]);
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$mediaUrl = $matches[1];
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return "<audio controls src='{$mediaUrl}'></audio>";
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},
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@ -4,48 +4,16 @@ namespace Misuzu\Parsers\BBCode\Tags;
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use Misuzu\Parsers\BBCode\BBCodeTag;
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final class VideoTag extends BBCodeTag {
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private const YOUTUBE_REGEX = '#^(?:www\.)?youtube(?:-nocookie)?\.(?:[a-z]{2,63})$#u';
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private const YOUTUBE_EMBED = '<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/%s?rel=0" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>';
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private const NICODOUGA_EMBED = '<script async type="application/javascript" src="https://embed.nicovideo.jp/watch/%1$s/script?w=560&h=315" width="560" height="315"></script><noscript><a href="https://www.nicovideo.jp/watch/%1$s">Embedded Video</a></noscript>';
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||||
public function parseText(string $text): string {
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||||
return preg_replace_callback(
|
||||
'#\[video\]((?:https?:\/\/).+?)\[/video\]#',
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function ($matches) {
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||||
$url = parse_url($matches[1]);
|
||||
|
||||
if(empty($url['scheme']) || !in_array(mb_strtolower($url['scheme']), ['http', 'https'], true)) {
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if(empty($url['scheme']) || !in_array(mb_strtolower($url['scheme']), ['http', 'https'], true))
|
||||
return $matches[0];
|
||||
}
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||||
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||||
$url['host'] = mb_strtolower($url['host']);
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||||
|
||||
// support youtube playlists?
|
||||
|
||||
if($url['host'] === 'youtu.be' || $url['host'] === 'www.youtu.be') {
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return sprintf(self::YOUTUBE_EMBED, $url['path']);
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||||
}
|
||||
|
||||
if(!empty($url['query']) && ($url['path'] ?? '') === '/watch' && preg_match(self::YOUTUBE_REGEX, $url['host'])) {
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parse_str(html_entity_decode($url['query']), $ytQuery);
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||||
|
||||
if(!empty($ytQuery['v']) && preg_match('#^([a-zA-Z0-9_-]+)$#u', $ytQuery['v'])) {
|
||||
return sprintf(self::YOUTUBE_EMBED, $ytQuery['v']);
|
||||
}
|
||||
}
|
||||
|
||||
if($url['host'] === 'nicovideo.jp' || $url['host'] === 'www.nicovideo.jp') {
|
||||
$splitPath = explode('/', trim($url['path'], '/'));
|
||||
|
||||
if(count($splitPath) > 1 && $splitPath[0] === 'watch') {
|
||||
return sprintf(self::NICODOUGA_EMBED, $splitPath[1]);
|
||||
}
|
||||
}
|
||||
|
||||
//$mediaUrl = url_proxy_media($matches[1]);
|
||||
$mediaUrl = $matches[1];
|
||||
return sprintf('<video controls src="%s" style="max-width:100%%;max-height:100%%;"></video>', $mediaUrl);
|
||||
return sprintf('<span class="js-msz-embed-media" data-msz-embed-url="%1$s"><a href="%1$s" class="link" rel="noopener noreferrer">%1$s</a></span>', $matches[1]);
|
||||
},
|
||||
$text
|
||||
);
|
||||
|
|
|
|||
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Reference in a new issue