199 lines
12 KiB
JavaScript
199 lines
12 KiB
JavaScript
//META{"name":"ForceImagePreviews"}*//
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class ForceImagePreviews {
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initConstructor () {
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this.waitTime = 3000;
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}
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getName () {return "ForceImagePreviews";}
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getDescription () {return "Forces embedded Image Previews, if Discord doesn't do it itself.";}
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getVersion () {return "1.0.7";}
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getAuthor () {return "DevilBro";}
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//legacy
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load () {}
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start () {
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var libraryScript = null;
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if (typeof BDFDB !== "object" || typeof BDFDB.isLibraryOutdated !== "function" || BDFDB.isLibraryOutdated()) {
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libraryScript = document.querySelector('head script[src="https://mwittrien.github.io/BetterDiscordAddons/Plugins/BDFDB.js"]');
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if (libraryScript) libraryScript.remove();
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libraryScript = document.createElement("script");
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libraryScript.setAttribute("type", "text/javascript");
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libraryScript.setAttribute("src", "https://mwittrien.github.io/BetterDiscordAddons/Plugins/BDFDB.js");
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document.head.appendChild(libraryScript);
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}
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this.startTimeout = setTimeout(() => {this.initialize();}, 30000);
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if (typeof BDFDB === "object" && typeof BDFDB.isLibraryOutdated === "function") this.initialize();
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else libraryScript.addEventListener("load", () => {this.initialize();});
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}
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initialize () {
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if (typeof BDFDB === "object") {
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BDFDB.loadMessage(this);
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var observer = null;
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observer = new MutationObserver((changes, _) => {
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changes.forEach(
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(change, i) => {
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if (change.type == "characterData") {
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setTimeout(() => {this.addPreviews(change.target.parentElement);},this.waitTime);
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}
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if (change.addedNodes) {
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change.addedNodes.forEach((node) => {
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if (node && node.tagName && node.classList.contains(BDFDB.disCN.message)) {
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setTimeout(() => {this.addPreviews(node.querySelector(BDFDB.dotCN.messagemarkup));},this.waitTime);
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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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BDFDB.addObserver(this, null, {name:"messageChangeObserver",instance:observer,multi:true}, {childList:true, characterData:true, subtree:true});
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observer = new MutationObserver((changes, _) => {
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changes.forEach(
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(change, i) => {
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if (change.addedNodes) {
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change.addedNodes.forEach((node) => {
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if (node && node.tagName && node.querySelector(BDFDB.dotCN.message)) {
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BDFDB.addObserver(this, node, {name:"messageChangeObserver",multi:true}, {childList:true, characterData:true, subtree:true});
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node.querySelectorAll(BDFDB.dotCN.messagemarkup).forEach(message => {
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setTimeout(() => {this.addPreviews(message);},this.waitTime);
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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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BDFDB.addObserver(this, BDFDB.dotCN.messages, {name:"chatWindowObserver",instance:observer}, {childList:true});
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this.addAllPreviews();
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}
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else {
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console.error(this.getName() + ": Fatal Error: Could not load BD functions!");
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}
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}
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stop () {
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if (typeof BDFDB === "object") {
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document.querySelectorAll(".FIP-embed").forEach(embed => {embed.remove();});
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BDFDB.unloadMessage(this);
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}
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}
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onSwitch () {
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if (typeof BDFDB === "object") {
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this.addAllPreviews();
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BDFDB.addObserver(this, BDFDB.dotCN.messages, {name:"chatWindowObserver"}, {childList:true, subtree:true});
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}
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}
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// begin of own functions
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addAllPreviews () {
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document.querySelectorAll(".FIP-embed").forEach(embed => {embed.remove();});
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document.querySelectorAll(BDFDB.dotCN.messagegroup).forEach(messageContainer => {
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BDFDB.addObserver(this, messageContainer, {name:"messageChangeObserver",multi:true}, {childList:true, characterData:true, subtree:true});
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messageContainer.querySelectorAll(BDFDB.dotCN.messagemarkup).forEach(message => {
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this.addPreviews(message);
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});
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});
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}
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addPreviews (message) {
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let scroller = document.querySelector(BDFDB.dotCNS.chat + BDFDB.dotCN.messages);
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if (!message || !scroller) return;
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var messageData = BDFDB.getKeyInformation({node:message,key:"message",up:true});
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if (!messageData) return;
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let accessory = this.getAccessoryOfMessage(message);
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if (accessory) {
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let links = [];
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for (let word of messageData.content.split(new RegExp("\\n|\\s|\\r|\\t|\\0"))) {
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if (word.indexOf("https://") > -1 || word.indexOf("http://") > -1) {
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if (word.indexOf("<") == 0 && word.indexOf(">") == word.length-1) links.push({src:word.slice(1,-1),embedded:false});
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else if (!accessory.querySelector(`${BDFDB.dotCN.embedimage}[href="${this.parseSrc(word)}"]`) && !accessory.querySelector(`${BDFDB.dotCN.embedtitlelink}[href="${this.parseSrc(word)}"]`)) {
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links.push({src:word,embedded:false});
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}
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else links.push({src:word,embedded:true});
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}
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}
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if (links.length > 0) this.addItemToAccessory(null, links, accessory, scroller);
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}
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}
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addItemToAccessory (previmage, links, accessory, scroller) {
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let item = links.shift();
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if (!item) return;
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else if (item.embedded) this.addItemToAccessory(item, links, accessory, scroller);
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else {
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let itemsrc = this.parseSrc(item.src);
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require("request")(itemsrc, (error, response, result) => {
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if (response && response.headers["content-type"] && response.headers["content-type"].indexOf("image") > -1) {
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let imagethrowaway = document.createElement("img");
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imagethrowaway.src = itemsrc;
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imagethrowaway.onload = () => {
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let width = imagethrowaway.naturalWidth > 400 ? 400 : imagethrowaway.naturalWidth;
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let height = Math.round(width*(imagethrowaway.naturalHeight/imagethrowaway.naturalWidth));
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if (height > 300) {
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width = Math.round(width*(300/height));
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height = 300;
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}
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let checkedsrc = itemsrc.indexOf("imgur.com/") > -1 ? ("imgur.com/" + itemsrc.split("/")[3].split(".")[0]) : itemsrc;
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if (!accessory.querySelector(`${BDFDB.dotCN.embedimage}[href*="${checkedsrc}"]`)) {
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let embed = $(`<div class="FIP-embed ${BDFDB.disCNS.embed + BDFDB.disCNS.flex + BDFDB.disCN.embedold}"><a class="${BDFDB.disCNS.imagewrapper + BDFDB.disCNS.imagezoom + BDFDB.disCN.embedimage}" href="${itemsrc}" rel="noreferrer noopener" target="_blank" style="width: ${width}px; height: ${height}px;"><img src="${itemsrc}" style="width: ${width}px; height: ${height}px;"></a></div>`)[0];
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this.insertEmbed(embed, previmage, links, accessory, scroller);
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}
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this.addItemToAccessory(item, links, accessory, scroller);
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};
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}
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else if (response && response.headers["server"] && response.headers["server"].toLowerCase().indexOf("youtube") > -1 && result.indexOf("yt-user-info") > -1) {
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if (!accessory.querySelector(`${BDFDB.dotCN.embedtitlelink}[href="${itemsrc}"]`)) {
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result = result.replace(new RegExp("[\\r|\\n|\\t]|[\\s]{2,}", "g"), "");
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let width = 400;
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let height = Math.round(width*(result.split('<meta itemprop="height" content="')[1].split('"')[0]/result.split('<meta itemprop="width" content="')[1].split('"')[0]));
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let embed = $(`<div class="FIP-embed ${BDFDB.disCNS.embed + BDFDB.disCNS.flex + BDFDB.disCN.embedold}" style="max-width: 426px;"><div class="${BDFDB.disCN.embedpill}" style="background-color: rgb(255, 0, 0);"></div><div class="${BDFDB.disCN.embedinner}"><div class="${BDFDB.disCNS.embedcontent + BDFDB.disCN.flex}"><div class="${BDFDB.disCN.embedcontentinner}"><div class=""><a class="${BDFDB.disCNS.anchor + BDFDB.disCNS.embedproviderlink + BDFDB.disCNS.embedlink + BDFDB.disCNS.embedprovider + BDFDB.disCNS.size12 + BDFDB.disCN.weightnormal}" href="https://www.youtube.com/" rel="noreferrer noopener" target="_blank">YouTube</a></div><div class="${BDFDB.disCNS.embedauthor + BDFDB.disCNS.flex + BDFDB.disCNS.aligncenter + BDFDB.disCNS.embedmargin + BDFDB.disCN.margintop4}"><a class="${BDFDB.disCNS.anchor + BDFDB.disCNS.embedauthornamelink + BDFDB.disCNS.embedlink + BDFDB.disCNS.embedauthorname + BDFDB.disCNS.weightmedium + BDFDB.disCN.size14}" href="https://www.youtube.com${result.split('<div class="yt-user-info"><a href="')[1].split('"')[0]}" rel="noreferrer noopener" target="_blank">${BDFDB.encodeToHTML(result.split('<div class="yt-user-info"><a href="')[1].split('>')[1].split('<')[0])}</a></div><div class="${BDFDB.disCNS.embedmargin + BDFDB.disCN.margintop4}"><a class="${BDFDB.disCNS.anchor + BDFDB.disCNS.embedtitlelink + BDFDB.disCNS.embedlink + BDFDB.disCNS.embedtitle + BDFDB.disCNS.size14 + BDFDB.disCN.weightmedium}" href="${itemsrc}" rel="noreferrer noopener" target="_blank">${BDFDB.encodeToHTML(result.split('<meta property="og:title" content="')[1].split('"')[0])}</a></div></div></div><div class="${BDFDB.disCNS.embedvideo + BDFDB.disCNS.embedimage + BDFDB.disCNS.embedmarginlarge + BDFDB.disCN.margintop8}" style="width: ${width}px; height: ${height}px;"><div class="${BDFDB.disCNS.imagewrapper + BDFDB.disCN.imagezoom}" style="width: ${width}px; height: ${height}px;"><img alt="" src="${result.split('<link itemprop="thumbnailUrl" href="')[1].split('"')[0]}" style="width: ${width}px; height: ${height}px;"></div><div class="${BDFDB.disCNS.embedvideoactions + BDFDB.disCNS.flexcenter + BDFDB.disCNS.flex + BDFDB.disCNS.justifycenter + BDFDB.disCN.aligncenter}"><div class="${BDFDB.disCNS.embedvideoactionsinner + BDFDB.disCNS.flexcenter + BDFDB.disCNS.flex + BDFDB.disCNS.justifycenter + BDFDB.disCN.aligncenter}"><div class="${BDFDB.disCN.iconactionswrapper}"><div tabindex="0" class="${BDFDB.disCN.iconwrapper}" role="button"><svg name="Play" class="${BDFDB.disCNS.iconplay + BDFDB.disCN.icon}" width="16" height="16" viewBox="0 0 24 24"><polygon fill="currentColor" points="0 0 0 14 11 7" transform="translate(7 5)"></polygon></svg></div><a class="${BDFDB.disCNS.anchor + BDFDB.disCN.iconwrapper}" href="${itemsrc}" rel="noreferrer noopener" target="_blank"><svg name="OpenExternal" class="${BDFDB.disCNS.iconexternalmargins + BDFDB.disCN.icon}" width="16" height="16" viewBox="0 0 24 24"><path fill="currentColor" transform="translate(3.000000, 4.000000)" d="M16 0H2a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h4v-2H2V4h14v10h-4v2h4c1.1 0 2-.9 2-2V2a2 2 0 0 0-2-2zM9 6l-4 4h3v6h2v-6h3L9 6z"></path></svg></a></div></div></div></div></div></div>`)[0];
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$(embed).on("click." + this.getName(), BDFDB.dotCN.iconplay, (e) => {
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let videowrapper = embed.querySelector(BDFDB.dotCN.embedvideo);
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while (videowrapper.firstChild) videowrapper.firstChild.remove();
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$(`<iframe src="${result.split('<link itemprop="embedURL" href="')[1].split('"')[0]}?start=0&autoplay=1&auto_play=1" width="${width}" height="${height}" frameborder="0" allowfullscreen=""></iframe>`).appendTo(videowrapper);
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});
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this.insertEmbed(embed, previmage, links, accessory, scroller);
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}
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this.addItemToAccessory(item, links, accessory, scroller);
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}
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else this.addItemToAccessory(item, links, accessory, scroller);
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});
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}
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}
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insertEmbed (embed, previmage, links, accessory, scroller) {
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let prev = accessory.querySelector(`${BDFDB.dotCNS.embed + BDFDB.dotCN.embedimage}[href="${previmage ? this.parseSrc(previmage.src) : void 0}"]`);
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let next = accessory.querySelector(`${BDFDB.dotCNS.embed + BDFDB.dotCN.embedimage}[href="${links[0] ? this.parseSrc(links[0].src) : void 0}"]`);
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prev = prev ? prev : accessory.querySelector(`${BDFDB.dotCNS.embed + BDFDB.dotCN.embedtitlelink}[href="${previmage ? this.parseSrc(previmage.src) : void 0}"]`);
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next = next ? next : accessory.querySelector(`${BDFDB.dotCNS.embed + BDFDB.dotCN.embedtitlelink}[href="${links[0] ? this.parseSrc(links[0].src) : void 0}"]`);
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accessory.insertBefore(embed, prev ? prev.nextSibling : next);
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scroller.scrollTop += embed.getBoundingClientRect().height;
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}
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getAccessoryOfMessage (message) {
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var accessory = null;
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while (message && !message.querySelector(BDFDB.dotCN.messagegroup) && !accessory) {
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accessory = message.querySelector(BDFDB.dotCN.messageaccessory);
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message = message.parentElement;
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}
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return accessory;
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}
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parseSrc (src) {
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return src.replace(/"/g, "");
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}
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} |