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-rw-r--r--templates/script.js227
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+// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-3.0-or-later
+ /*
+
+ SeekToTime - simple script to add video time jump functionality to timestamp links
+ Copyright (C) 2020 Grant Shangreaux
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+ This script enables wiki editors to create anchor tags with the class "time-link"
+ that will be parsed for seeking to specific time stamps in the main video on a page.
+ The tag should look like this:
+
+ <a href="#mainVideo" class="time-link">mm:ss</a>
+
+ This could be extended to accept hours in the time stamp as well, but currently does not.
+ */
+ let timestamps;
+
+ // expects a string like "mm:ss.mmm"
+ function parseSeconds(timeString) {
+ return timeString.split(":").reduce(function(prev, o) {
+ return prev * 60 + parseFloat(o);
+ }, 0);
+ }
+
+ function handleSubtitleClick(event) {
+ var video = event.target.getAttribute('data-video');
+ var start = event.target.getAttribute('data-start');
+ var videoElem = document.getElementById(video);
+ if (videoElem) {
+ videoElem.currentTime = parseSeconds(start);
+ videoElem.scrollIntoView();
+ }
+ if (event.preventDefault) {
+ event.preventDefault();
+ }
+ }
+
+ window.onload = function initScript() {
+ let subtitles = document.getElementsByClassName('subtitle');
+ for (let i = 0; i < subtitles.length; i++) {
+ subtitles[i].onclick = handleSubtitleClick;
+ }
+ }
+// @license-end
+ // @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt txt CC0-1.0
+ // Copyright (C) 2021, 2022 Sacha Chua
+
+ if (document.querySelector('.times')) {
+ var dateOptions = {dateStyle: 'short', timeStyle: 'short'};
+ var localStart = (new Date(document.querySelector('.times').getAttribute('start'))).toLocaleString([], dateOptions);
+ var localEnd = (new Date(document.querySelector('.times').getAttribute('end'))).toLocaleString([], dateOptions);
+ var dateElem = document.createElement('div');
+ dateElem.appendChild(document.createTextNode('Your local time: ~ ' + localStart + ' to ~ ' + localEnd));
+ document.querySelector('.times').prepend(dateElem);
+ if (document.querySelector('.times').querySelector('.others')) {
+ document.querySelector('.times').querySelector('.others').style.display = 'none';
+ }
+ }
+ if (document.querySelector('.time-overlay')) {
+ document.querySelectorAll('.time-overlay').forEach(function (o) {
+ if (o.getAttribute('title')) return;
+ var dateOptions = {dateStyle: 'short', timeStyle: 'short'};
+ var localStart, localEnd;
+ if (o.getAttribute('start') && o.getAttribute('end')) {
+ localStart = (new Date(o.getAttribute('start'))).toLocaleString([], dateOptions);
+ localEnd = (new Date(o.getAttribute('end'))).toLocaleString([], dateOptions);
+ o.setAttribute('title', 'Your local time: ~ ' + localStart + ' to ~ ' + localEnd);
+ } else if (o.getAttribute('start')) {
+ localStart = (new Date(o.getAttribute('start'))).toLocaleString([], dateOptions);
+ o.setAttribute('title', 'Your local time: ~ ' + localStart);
+ }
+ });
+ }
+
+ if (document.querySelector('a[name=transcript]')) {
+ var transcriptLink = document.createElement('a');
+ transcriptLink.setAttribute('href', '#transcript');
+ transcriptLink.textContent = 'View transcript';
+ var video = document.querySelector('.mainVideo video');
+ if (video) {
+ var resources = document.querySelector('.mainVideo video').closest('.vid').querySelector('.resources');
+ var transcriptDiv = document.createElement('div');
+ transcriptDiv.appendChild(transcriptLink)
+ if (resources) { resources.prepend(transcriptDiv); }
+ }
+ }
+ var chat = document.querySelector('.chat-iframe');
+ if (chat) {
+ if (chat.getAttribute('data-track')) {
+ chat.innerHTML = '<iframe src="https://chat.emacsconf.org?join=emacsconf,emacsconf-' +
+ chat.getAttribute('data-track').replace(/[^A-Za-z]/g, '') + '" height="600" width="100%"></iframe>';
+ } else {
+ chat.innerHTML = '<iframe src="https://chat.emacsconf.org" height="600" width="100%"></iframe>';
+ }
+ }
+
+// @license-end
+ // @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt txt CC0-1.0
+ // Copyright (c) 2021 Sacha Chua - CC0 Public Domain
+ function displayChapters(elem) {
+ var i;
+ var chapter;
+ var list = document.createElement('ol');
+ list.setAttribute('class', 'chapters');
+ var link;
+ var target = elem.getAttribute('data-target');
+ var video = document.getElementById(target);
+ var track;
+ if (video) {
+ track = video.addTextTrack('chapters');
+ track.mode = 'hidden';
+ }
+ var chapters = elem.textContent.split(/[ \t]*\n+[ \t]*/).forEach(function(line) {
+ var m = (line.match(/^(((?:[0-9]+:)?[0-9]+:[0-9]+)(?:\.[0-9]+))[ \t]+(.*)/));
+ if (m) {
+ var start = m[1];
+ var text = m[3];
+ chapter = document.createElement('li');
+ link = document.createElement('a');
+ link.setAttribute('href', '#');
+ link.setAttribute('data-video', target);
+ link.setAttribute('data-start', start);
+ link.setAttribute('data-start-s', parseSeconds(start));
+ link.appendChild(document.createTextNode(m[2] + ' ' + text));
+ link.onclick = handleSubtitleClick;
+ chapter.appendChild(link);
+ list.appendChild(chapter);
+ if (track) {
+ var time = parseSeconds(start);
+ if (track.cues.length > 0) {
+ track.cues[track.cues.length - 1].endTime = time - 1;
+ }
+ track.addCue(new VTTCue(time, time, text));
+ }
+ }
+ })
+ if (track && track.cues.length > 0) {
+ video.addEventListener('durationchange', function() {
+ track.cues[track.cues.length - 1].endTime = video.duration;
+ });
+ track.addEventListener('cuechange', function() {
+ if (!this.activeCues[0]) return;
+ if (list.querySelector('.current')) {
+ list.querySelector('.current').className = '';
+ }
+ var chapter;
+ if (chapter = list.querySelector('a[data-start-s="' + this.activeCues[0].startTime + '"]')) {
+ chapter.parentNode.className = 'current';
+ }
+ });
+ }
+ elem.parentNode.replaceChild(list, elem);
+ }
+
+ document.querySelectorAll('pre.chapters').forEach(displayChapters);
+
+ var video = document.querySelector('video.reload');
+ if (video) {
+ var myVar = setInterval(reloadAsNeeded, 1000);
+ var oldTime = '';
+ function reloadAsNeeded() {
+ if ((video.paused != true && (video.currentTime - oldTime) == 0 && video.currentTime != 0)) {
+ var source = video.querySelector('source');
+ var oldVideo = source.src;
+ source.src = '';
+ source.src = oldVideo;
+ video.load();
+ video.play();
+ }
+ oldTime = video.currentTime;
+ };
+ }
+
+ /* videoType: mainVideo, qanda */
+ function addStickyVideo(videoType) {
+ const transcriptDiv = document.querySelector('.transcript-' + videoType);
+ const video = document.querySelector('.vid.' + videoType + ' video');
+ if (!video || !transcriptDiv) return;
+ if (transcriptDiv.querySelector('.vid'))
+ transcriptDiv.querySelector('.vid').remove();
+ // already has it
+ // TODO: Make a copy of the video and place it at the start of the btranscript div, positioned to the left, and sticky, but only on large screens.
+ const videoCopy = video.cloneNode(true);
+ transcriptDiv.prepend(videoCopy);
+ videoCopy.classList.add('sticky-video');
+ // TODO: fix the ID
+
+ }
+
+
+
+ // @license-end
+ // @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt txt CC0-1.0
+ // Copyright (c) 2023 Sacha Chua - CC0 Public Domain
+ function highlightTalks() {
+ // highlight any talk mentioned in the highlight URL parameter
+ var params = new URLSearchParams(window.location.search);
+ if (!params.get('highlight')) return;
+ var talks = params.get('highlight').split(',').filter(function(o) { return o.match(/^[-a-z0-9]+$/); });
+ var regexp = new RegExp('/talks/(' + talks.join('|') + ')/?$');
+ document.querySelectorAll('a[href]').forEach(function(link) {
+ console.debug(link.getAttribute('href'), link.getAttribute('href').match(regexp));
+ if (link.getAttribute('href').match(regexp)) {
+ console.debug(link);
+ link.classList.add('highlight');
+ }
+ });
+ }
+
+ addEventListener('DOMContentLoaded', highlightTalks);
+ addEventListener('DOMContentLoaded', function() {
+ addStickyVideo('mainVideo');
+ addStickyVideo('qanda');
+ });
+ // @license-end
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 02:45:49 +0000