Search YouTube without interrupting the video, by loading the search results in the related video bar
当前为
// ==UserScript==
// @name Youtube - Search While Watching Video
// @version 2.0.2
// @description Search YouTube without interrupting the video, by loading the search results in the related video bar
// @author Cpt_mathix
// @match https://www.youtube.com/*
// @license GPL-2.0-or-later
// @require https://cdnjs.cloudflare.com/ajax/libs/JavaScript-autoComplete/1.0.4/auto-complete.min.js
// @namespace https://greasyfork.org/users/16080
// @run-at document-start
// @grant none
// @noframes
// ==/UserScript==
(function() {
'use strict';
function youtube_search_while_watching_video() {
var script = {
loaded: false,
ytplayer: null,
modern: false,
search_bar: null,
search_timeout: null,
search_suggestions: [],
suggestion_observer: null,
debug: false
};
document.addEventListener("DOMContentLoaded", initScript);
// reload script on page change using youtube spf events (http://youtube.github.io/js/documentation/events/)
window.addEventListener("spfdone", function(e) {
if (script.debug) { console.log("# page updated (normal) #"); }
startScript(2);
});
// reload script on page change using youtube polymer fire events
window.addEventListener("yt-page-data-updated", function(event) {
if (script.debug) { console.log("# page updated (material) #"); }
startScript(2);
});
function initScript() {
if (script.debug) { console.log("Youtube search while watching video initializing"); }
if (window.Polymer === undefined) {
if (script.debug) { console.log("### Normal youtube loaded ###"); }
script.modern = false;
} else {
if (script.debug) { console.log("### Material youtube loaded ###"); }
script.modern = true;
}
initSearch();
initSuggestionObserver();
injectCSS();
script.loaded = true;
startScript(5);
}
function startScript(retry) {
if (script.loaded && isPlayerAvailable()) {
if (script.debug) { console.log("videoplayer is available"); }
script.ytplayer = getVideoPlayer();
if (script.debug) { console.log("ytplayer: ", script.ytplayer); }
if (script.ytplayer) {
try {
if (script.debug) { console.log("initializing search"); }
loadSearch();
} catch (error) {
console.log("failed to initialize search: ", (script.debug) ? error : error.message);
}
} else if (retry > 0) { // fix conflict with Youtube+ script
setTimeout(function() {
startScript(--this.retry);
}.bind({retry:retry}), 1000);
}
} else {
if (script.debug) { console.log("videoplayer is unavailable"); }
}
}
// *** OBSERVERS *** //
function initSuggestionObserver() {
script.suggestion_observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
forEach(mutation.addedNodes, function(addedNode) {
if (!addedNode.classList.contains('generated') && addedNode.tagName !== "YTD-COMPACT-AUTOPLAY-RENDERER") {
addedNode.classList.add('suggestion-tag');
}
});
});
});
}
// *** VIDEOPLAYER *** //
// video object (normal youtube only)
function ytVideo(html, anchor, id, title, author, time, stats, thumb) {
this.html = html;
this.buttonAnchor = anchor;
this.id = id;
this.title = title;
this.author = author;
this.time = time;
this.stats = stats;
this.iurlhq = thumb;
this.iurlmq = thumb;
}
function getVideoPlayer() {
return document.getElementById('movie_player');
}
function isPlayerAvailable() { // available on video pages without playlist or live chat
return (/https:\/\/www\.youtube\.com\/watch\?v=.*/.test(document.location.href));
}
function isPlaylist() {
return script.ytplayer.getPlaylist() !== null;
}
function isLivePlayer() {
return script.ytplayer.getVideoData().isLive;
}
// *** SEARCH *** //
function initSearch() {
// callback function for search suggestion results
window.suggestions_callback = suggestions_callback;
}
function loadSearch() {
if (script.modern) {
showSuggestions(true);
// prevent double searchbar
var playlistOrLiveSearchBar = document.querySelector('#suggestions-search.playlist-or-live');
if (playlistOrLiveSearchBar) { playlistOrLiveSearchBar.remove(); }
}
if (!document.getElementById('suggestions-search')) {
createSearchBar();
tagSuggestions();
}
cleanupSuggestionRequests();
}
function createSearchBar() {
var anchor, html;
if (script.modern) {
anchor = document.querySelector('ytd-compact-autoplay-renderer > #contents');
if (anchor) {
html = "<input id=\"suggestions-search\" type=\"search\" placeholder=\"Search\">";
anchor.insertAdjacentHTML("afterend", html);
} else { // playlist or live video?
anchor = document.querySelector('#related > ytd-watch-next-secondary-results-renderer');
if (anchor) {
html = "<input id=\"suggestions-search\" class=\"playlist-or-live\" type=\"search\" placeholder=\"Search\">";
anchor.insertAdjacentHTML("beforebegin", html);
}
}
} else {
anchor = document.querySelector('#watch7-sidebar-modules > div:nth-child(2)');
if (anchor) {
html = "<input id=\"suggestions-search\" class=\"search-term yt-uix-form-input-bidi\" type=\"search\" placeholder=\"Search\">";
anchor.insertAdjacentHTML("afterbegin", html);
} else { // playlist or live video?
anchor = document.querySelector('#watch7-sidebar-modules');
if (anchor) {
html = "<input id=\"suggestions-search\" class=\"search-term yt-uix-form-input-bidi playlist-or-live\" type=\"search\" placeholder=\"Search\">";
anchor.insertAdjacentHTML("afterbegin", html);
}
}
}
var searchBar = document.getElementById('suggestions-search');
if (searchBar) {
script.search_bar = searchBar;
new autoComplete({
selector: '#suggestions-search',
minChars: 1,
delay: 250,
source: function(term, suggest) {
suggest(script.search_suggestions);
},
onSelect: function(event, term, item) {
prepareNewSearchRequest(term);
}
});
script.search_bar.addEventListener("keyup", function(event) {
if (this.value === "") {
showSuggestions(true);
} else {
searchSuggestions(this.value);
}
});
// seperate keydown listener because the search listener blocks keyup..?
script.search_bar.addEventListener("keydown", function(event) {
const ENTER = 13;
if (this.value.trim() !== "" && (event.key == "Enter" || event.keyCode === ENTER)) {
prepareNewSearchRequest(this.value.trim());
}
});
script.search_bar.addEventListener("search", function(event) {
if(this.value === "") {
script.search_bar.blur(); // close search suggestions dropdown
script.search_suggestions = []; // clearing the search suggestions
showSuggestions(true);
}
});
script.search_bar.addEventListener("focus", function(event) {
this.select();
});
}
}
// add class to current suggestions, so we can toggle hide/show
function tagSuggestions() {
if (script.suggestion_observer) {
script.suggestion_observer.disconnect();
var observables = document.querySelectorAll('ytd-watch-next-secondary-results-renderer > #items, #watch-related, #watch-more-related');
forEach(observables, function(observable) {
script.suggestion_observer.observe(observable, { childList: true });
});
}
var suggestions = document.querySelectorAll('#watch-related > li.video-list-item, ytd-compact-video-renderer.ytd-watch-next-secondary-results-renderer, ytd-compact-radio-renderer.ytd-watch-next-secondary-results-renderer');
forEach(suggestions, function(suggestion) {
suggestion.classList.add('suggestion-tag');
});
}
// toggle hide/show suggestions depending on $show and remove previously searched videos if any
function showSuggestions(show) {
var video_list_items = document.querySelectorAll('#watch-related > li.video-list-item, #watch-more-related > li.video-list-item, ytd-compact-video-renderer.ytd-watch-next-secondary-results-renderer, ytd-compact-radio-renderer.ytd-watch-next-secondary-results-renderer');
forEachReverse(video_list_items, function(video) {
if (video.classList.contains('suggestion-tag')) {
video.style.display = (show) ? "" : "none";
} else {
video.remove();
}
});
if (!script.modern) {
var watch_related = document.getElementById('watch-related');
var currNavigation = watch_related.parentNode.querySelector('.search-pager');
if (currNavigation) { currNavigation.remove(); } // remove navigation
var seperation_line = watch_related.parentNode.querySelector('.watch-sidebar-separation-line');
if (seperation_line) { seperation_line.remove(); } // remove seperation line
}
var showMore = document.getElementById('watch-more-related-button') || document.querySelector('#continuations.ytd-watch-next-secondary-results-renderer');
if (showMore) { showMore.style.display = (show) ? "" : "none"; } // toggle hide/show the "More Suggestions" link
}
// callback from search suggestions attached to window
function suggestions_callback(data) {
var raw = data[1]; // extract relevant data from json
var suggestions = raw.map(function(array) {
return array[0]; // change 2D array to 1D array with only suggestions
});
if (script.debug) { console.log(suggestions); }
script.search_suggestions = suggestions;
}
function searchSuggestions(value) {
if (script.search_timeout !== null) { clearTimeout(script.search_timeout); }
// youtube search parameters
const GeoLocation = window.yt.config_.INNERTUBE_CONTEXT_GL;
const HostLanguage = window.yt.config_.INNERTUBE_CONTEXT_HL;
// only allow 1 suggestion request every 100 milliseconds
script.search_timeout = setTimeout(function() {
if (script.debug) { console.log("suggestion request send", this.searchValue); }
var scriptElement = document.createElement("script");
scriptElement.type = "text/javascript";
scriptElement.className = "suggestion-request";
scriptElement.src = "https://clients1.google.com/complete/search?client=youtube&hl=" + HostLanguage + "&gl=" + GeoLocation + "&gs_ri=youtube&ds=yt&q=" + encodeURIComponent(this.searchValue) + "&callback=suggestions_callback";
(document.body || document.head || document.documentElement).appendChild(scriptElement);
}.bind({searchValue:value}), 100);
}
function cleanupSuggestionRequests() {
var requests = document.getElementsByClassName('suggestion-request');
forEachReverse(requests, function(request) {
request.remove();
});
}
// send new search request (with the search bar)
function prepareNewSearchRequest(value) {
if (script.debug) { console.log("searching for " + value); }
script.search_bar.blur(); // close search suggestions dropdown
script.search_suggestions = []; // clearing the search suggestions
sendSearchRequest("https://www.youtube.com/results?" + (script.modern ? "search_query=" : "disable_polymer=1&q=") + encodeURIComponent(value));
}
// given the url, retrieve the search results
function sendSearchRequest(url) {
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
if (script.modern) {
processSearchModern(xmlHttp.responseText);
} else {
var container = document.implementation.createHTMLDocument().documentElement;
container.innerHTML = xmlHttp.responseText;
processSearch(container);
}
}
};
xmlHttp.open("GET", url, true);
xmlHttp.send(null);
}
// process search request (normal youtube)
function processSearch(container) {
var watch_related = document.getElementById('watch-related');
// hide current suggestions and remove searched videos if any
showSuggestions(false);
// insert searched videos
var video_items = container.querySelectorAll('.item-section .yt-lockup-video');
forEach(video_items, function(video_item) {
if (video_item.querySelector('.yt-badge-live') === null) {
try {
var videoId = video_item.dataset.contextItemId;
var videoTitle = video_item.querySelector('.yt-lockup-title > a').title;
var videoStats = video_item.querySelector('.yt-lockup-meta').innerHTML;
var videoTime = video_item.querySelector('.video-time') ? video_item.querySelector('.video-time').textContent : "0";
var author = video_item.querySelector('.yt-lockup-byline') ? video_item.querySelector('.yt-lockup-byline').textContent : "";
var videoThumb = video_item.querySelector('div.yt-lockup-thumbnail img').dataset.thumb || video_item.querySelector('div.yt-lockup-thumbnail img').src;
var videoObject = new ytVideo(null, null, videoId, videoTitle, author, videoTime, videoStats, videoThumb);
if (script.debug) { console.log(videoObject); }
watch_related.insertAdjacentHTML("beforeend", videoQueueHTML(videoObject).html);
} catch (error) {
console.error("failed to process video " + error.message, video_item);
}
}
});
// insert navigation buttons
var navigation = container.querySelector('.search-pager');
var navigation_buttons = navigation.getElementsByTagName('a');
forEach(navigation_buttons, function(button) {
button.addEventListener("click", function handler(e) {
e.preventDefault();
script.search_bar.scrollIntoView();
window.scrollBy(0, -1 * document.getElementById('yt-masthead-container').clientHeight);
sendSearchRequest(this.href);
});
});
watch_related.parentNode.appendChild(navigation); // append new navigation
watch_related.insertAdjacentHTML("afterend", "<hr class=\"watch-sidebar-separation-line\">"); // insert separation line between videos and navigation
}
// process search request (material youtube)
function processSearchModern(responseText) {
// extract json with search results from response
var rawData = responseText.match(/\{.*responseContext.*\};/g);
if (rawData && rawData[0]) {
try {
var data = JSON.parse(rawData[0].slice(0, -1));
// dat chain o.O
var videos_data = data.contents.twoColumnSearchResultsRenderer.primaryContents.sectionListRenderer.contents[0].itemSectionRenderer.contents;
if (script.debug) { console.log(videos_data); }
// hide current suggestions and remove previously searched videos if any
showSuggestions(false);
var watch_related = document.querySelector('ytd-watch-next-secondary-results-renderer > #items');
forEach(videos_data, function(video_data) {
if (video_data.videoRenderer) {
watch_related.insertAdjacentHTML("beforeend", videoQueuePolymer(video_data.videoRenderer, "ytd-compact-video-renderer"));
} else if (video_data.radioRenderer) {
watch_related.insertAdjacentHTML("beforeend", videoQueuePolymer(video_data.radioRenderer, "ytd-compact-radio-renderer"));
} else if (video_data.playlistRenderer) {
watch_related.insertAdjacentHTML("beforeend", videoQueuePolymer(video_data.playlistRenderer, "ytd-compact-playlist-renderer"));
}
});
} catch (error) {
alert("failed to retrieve search data, sorry! " + error.message);
}
}
}
// *** HTML & CSS *** //
function videoQueueHTML(video) {
var strVar = "";
strVar += "<li class=\"video-list-item related-list-item show-video-time related-list-item-compact-video generated\">";
strVar += " <div class=\"related-item-dismissable\">";
strVar += " <div class=\"content-wrapper\">";
strVar += " <a href=\"\/watch?v=" + video.id + "\" class=\"yt-uix-sessionlink content-link spf-link spf-link\" rel=\"spf-prefetch\" title=\"" + video.title + "\">";
strVar += " <span dir=\"ltr\" class=\"title\">" + video.title + "<\/span>";
strVar += " <span class=\"stat author\">" + video.author + "<\/span>";
strVar += " <div class=\"yt-lockup-meta stat\">" + video.stats + "<\/div>";
strVar += " <\/a>";
strVar += " <\/div>";
strVar += " <div class=\"thumb-wrapper\">";
strVar += " <a href=\"\/watch?v=" + video.id + "\" class=\"yt-uix-sessionlink thumb-link spf-link spf-link\" rel=\"spf-prefetch\" tabindex=\"-1\" aria-hidden=\"true\">";
strVar += " <span class=\"yt-uix-simple-thumb-wrap yt-uix-simple-thumb-related\" tabindex=\"0\" data-vid=\"" + video.id + "\">";
strVar += " <img aria-hidden=\"true\" alt=\"\" src=\"" + video.iurlhq + "\">";
strVar += " <\/span>";
strVar += " <\/a>";
strVar += " <span class=\"video-time\">"+ video.time +"<\/span>";
strVar += " <button class=\"yt-uix-button yt-uix-button-size-small yt-uix-button-default yt-uix-button-empty yt-uix-button-has-icon no-icon-markup addto-button video-actions spf-nolink hide-until-delayloaded addto-watch-later-button yt-uix-tooltip\" type=\"button\" onclick=\";return false;\" title=\"Watch Later\" role=\"button\" data-video-ids=\"" + video.id + "\" data-tooltip-text=\"Watch Later\"><\/button>";
strVar += " <\/div>";
strVar += " <\/div>";
strVar += "<\/li>";
video.html = strVar;
return video;
}
function videoQueuePolymer(video_data, type) {
return "<" + type + " data=\'" + JSON.stringify(video_data).replace(/\'/g, "'") + "\' class=\"style-scope ytd-watch-next-secondary-results-renderer generated\" \/>";
}
function injectCSS() {
var css;
if (script.modern) {
css = `
.autocomplete-suggestions {
text-align: left; cursor: default; border: 1px solid var(--ytd-searchbox-legacy-border-color); border-top: 0; background: var(--yt-searchbox-background);
position: absolute; display: none; z-index: 9999; max-height: 254px; overflow: hidden; overflow-y: auto; box-sizing: border-box; box-shadow: -1px 1px 3px rgba(0,0,0,.1);
}
.autocomplete-suggestion { position: relative; padding: 0 .6em; line-height: 23px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 1.22em; color: var(--yt-placeholder-text); }
.autocomplete-suggestion b { font-weight: normal; color: #b31217; }
.autocomplete-suggestion.selected { background: #ddd; }
[dark] .autocomplete-suggestion.selected { background: #333; }
ytd-compact-autoplay-renderer { padding-bottom: 0px; }
#suggestions-search {
outline: none; width: 100%; padding: 6px 5px; margin: 8px 0 0 0;
border: 1px solid var(--ytd-searchbox-legacy-border-color); border-radius: 2px 0 0 2px;
box-shadow: inset 0 1px 2px var(--ytd-searchbox-legacy-border-shadow-color);
color: var(--yt-searchbox-text-color); background-color: var(--yt-searchbox-background);
}
#suggestions-search.playlist-or-live { margin-bottom: 16px; }
`;
} else {
css = `
.autocomplete-suggestions {
text-align: left; cursor: default; border: 1px solid #ccc; border-top: 0; background: #fff; box-shadow: -1px 1px 3px rgba(0,0,0,.1);
position: absolute; display: none; z-index: 9999; max-height: 254px; overflow: hidden; overflow-y: auto; box-sizing: border-box;
}
.autocomplete-suggestion { position: relative; padding: 0 .6em; line-height: 23px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 1.02em; color: #333; }
.autocomplete-suggestion b { font-weight: normal; color: #b31217; }
.autocomplete-suggestion.selected { background: #f0f0f0; }
.yt-uix-simple-thumb-wrap > img { top: 0px; width: 168px; height: 94px; }
.watch-sidebar-body > div.search-pager { width: 97.5%; padding: 5px 5px; display: flex; justify-content: center; }
.watch-sidebar-body > div.search-pager > .yt-uix-button { margin: 0 1px; }
#suggestions-search { outline: none; width: 98%; padding: 5px 5px; margin: 0 4px; }
#suggestions-search.playlist-or-live { width: 97%; margin: 0 10px 10px 10px; }
`;
}
var style = document.createElement("style");
style.type = "text/css";
if (style.styleSheet){
style.styleSheet.cssText = css;
} else {
style.appendChild(document.createTextNode(css));
}
(document.body || document.head || document.documentElement).appendChild(style);
}
// *** FUNCTIONALITY *** //
function forEach(array, callback, scope) {
for (var i = 0; i < array.length; i++) {
callback.call(scope, array[i], i);
}
};
// When you want to remove elements
function forEachReverse(array, callback, scope) {
for (var i = array.length - 1; i >= 0; i--) {
callback.call(scope, array[i], i);
}
};
}
var autoCompleteScript = document.createElement('script');
autoCompleteScript.appendChild(document.createTextNode('window.autoComplete = '+ autoComplete + ';'));
(document.body || document.head || document.documentElement).appendChild(autoCompleteScript);
var script = document.createElement('script');
script.appendChild(document.createTextNode('('+ youtube_search_while_watching_video +')();'));
(document.body || document.head || document.documentElement).appendChild(script);
})();