2018-03-10 22:06:42 +01:00
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/*
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This file is part of FreeTube.
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FreeTube is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FreeTube is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FreeTube. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* File for functions related to videos.
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*/
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/**
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* Display the video player and play a video
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*
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* @param {string} videoId - The video ID of the video to be played.
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*
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* @return {Void}
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*/
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function playVideo(videoId) {
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clearMainContainer();
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toggleLoading();
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let subscribeText = '';
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let savedText = '';
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let savedIconClass = '';
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let savedIconColor = '';
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let video480p;
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let video720p;
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let defaultUrl;
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let defaultQuality;
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let channelId;
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let videoHtml;
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let videoThumbnail;
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let videoType = 'video';
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let embedPlayer;
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let validUrl;
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// Grab the embeded player. Used as fallback if the video URL cannot be found.
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// Also grab the channel ID.
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try {
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let getInfoFunction = getChannelAndPlayer(videoId);
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getInfoFunction.then((data) => {
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console.log(data);
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embedPlayer = data[0];
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channelId = data[1];
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});
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} catch (ex) {
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showToast('Video not found. ID may be invalid.');
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toggleLoading();
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return;
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}
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/*
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* FreeTube calls an instance of a youtube-dl server to grab the direct video URL. Please do not use this API in third party projects.
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*/
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const url = 'https://stormy-inlet-41826.herokuapp.com/api/info?url=https://www.youtube.com/watch?v=' + videoId + 'flatten=True';
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$.getJSON(url, (response) => {
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console.log(response);
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const info = response['info'];
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videoThumbnail = info['thumbnail'];
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let videoUrls = info['formats'];
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// Add commas to the video view count.
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const videoViews = info['view_count'].toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
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// Format the date to a more readable format.
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let dateString = info['upload_date'];
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dateString = [dateString.slice(0, 4), '-', dateString.slice(4)].join('');
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dateString = [dateString.slice(0, 7), '-', dateString.slice(7)].join('');
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console.log(dateString);
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const publishedDate = dateFormat(dateString, "mmm dS, yyyy");
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// Figure out the width for the like/dislike bar.
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const videoLikes = info['like_count'];
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const videoDislikes = info['dislike_count'];
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const totalLikes = videoLikes + videoDislikes;
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const likePercentage = parseInt((videoLikes / totalLikes) * 100);
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let description = info['description'];
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// Adds clickable links to the description.
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description = autolinker.link(description);
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const checkSubscription = isSubscribed(channelId);
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// Change the subscribe button text depending on if the user has subscribed to the channel or not.
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checkSubscription.then((results) => {
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if (results === false) {
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subscribeText = 'SUBSCRIBE';
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} else {
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subscribeText = 'UNSUBSCRIBE';
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}
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});
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const checkSavedVideo = videoIsSaved(videoId);
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// Change the save button icon and text depending on if the user has saved the video or not.
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checkSavedVideo.then((results) => {
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if (results === false) {
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savedText = 'SAVE';
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savedIconClass = 'far unsaved';
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} else {
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savedText = 'SAVED';
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savedIconClass = 'fas saved';
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}
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});
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// Search through the returned object to get the 480p and 720p video URLs (If available)
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Object.keys(videoUrls).forEach((key) => {
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console.log(key);
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switch (videoUrls[key]['format_note']) {
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case 'medium':
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video480p = videoUrls[key]['url'];
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break;
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case 'hd720':
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video720p = videoUrls[key]['url'];
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break;
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}
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});
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// Default to the embeded player if the URLs cannot be found.
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if (typeof(video720p) === 'undefined' && typeof(video480p) === 'undefined') {
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defaultQuality = 'EMBED';
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videoHtml = embedPlayer.replace(/\"\;/g, '"');
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showToast('Unable to get video file. Reverting to embeded player.');
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} else if (typeof(video720p) === 'undefined' && typeof(video480p) !== 'undefined') {
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// Default to the 480p video if the 720p URL cannot be found.
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videoHtml = '<video class="videoPlayer" onmousemove="hideMouseTimeout()" onmouseleave="removeMouseTimeout()" controls="" src="' + video480p + '" poster="' + videoThumbnail + '" autoplay></video>';
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defaultQuality = '480p';
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} else {
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// Default to the 720p video.
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videoHtml = '<video class="videoPlayer" onmousemove="hideMouseTimeout()" onmouseleave="removeMouseTimeout()" controls="" src="' + video720p + '" poster="' + videoThumbnail + '" autoplay></video>';
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defaultQuality = '720p';
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// Force the embeded player if needed.
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//videoHtml = embedPlayer;
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}
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// API Request
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let request = gapi.client.youtube.channels.list({
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'id': channelId,
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'part': 'snippet'
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});
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// Execute request
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request.execute((response) => {
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console.log(response);
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const channelThumbnail = response['items'][0]['snippet']['thumbnails']['high']['url'];
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$.get('templates/player.html', (template) => {
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mustache.parse(template);
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const rendered = mustache.render(template, {
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videoHtml: videoHtml,
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videoQuality: defaultQuality,
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videoTitle: info['title'],
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videoViews: videoViews,
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videoThumbnail: videoThumbnail,
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channelName: info['uploader'],
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videoLikes: videoLikes,
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videoDislikes: videoDislikes,
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likePercentage: likePercentage,
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videoId: videoId,
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channelId: channelId,
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channelIcon: channelThumbnail,
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publishedDate: publishedDate,
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description: description,
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isSubscribed: subscribeText,
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savedText: savedText,
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savedIconClass: savedIconClass,
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savedIconColor: savedIconColor,
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video480p: video480p,
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video720p: video720p,
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embedPlayer: embedPlayer,
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});
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$('#main').html(rendered);
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toggleLoading();
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showVideoRecommendations(videoId);
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console.log('done');
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});
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});
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// Sometimes a video URL is found, but the video will not play. I believe the issue is
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// that the video has yet to render for that quality, as the video will be available at a later time.
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// This will check the URLs and switch video sources if there is an error.
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checkVideoUrls(video480p, video720p);
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// Add the video to the user's history
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addToHistory(videoId);
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});
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}
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/**
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* Open up the mini player to watch the video outside of the main application.
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*
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* @param {string} videoThumbnail - The URL of the video thumbnail. Used to prevent another API call.
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*
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* @return {Void}
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*/
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function openMiniPlayer(videoThumbnail) {
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let lastTime;
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let videoHtml;
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// Grabs whatever the HTML is for the current video player. Done this way to grab
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// the HTML5 player (with varying qualities) as well as the YouTube embeded player.
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if ($('.videoPlayer').length > 0) {
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$('.videoPlayer').get(0).pause();
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lastTime = $('.videoPlayer').get(0).currentTime;
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videoHtml = $('.videoPlayer').get(0).outerHTML;
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} else {
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videoHtml = $('iframe').get(0).outerHTML;
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}
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// Create a new browser window.
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const BrowserWindow = electron.remote.BrowserWindow;
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let miniPlayer = new BrowserWindow({
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width: 1200,
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height: 700
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});
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// Use the miniPlayer.html template.
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$.get('templates/miniPlayer.html', (template) => {
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mustache.parse(template);
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const rendered = mustache.render(template, {
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videoHtml: videoHtml,
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videoThumbnail: videoThumbnail,
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startTime: lastTime,
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});
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// Render the template to the new browser window.
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miniPlayer.loadURL("data:text/html;charset=utf-8," + encodeURI(rendered));
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});
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}
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/**
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* Change the quality of the current video.
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*
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* @param {string} videoHtml - The HTML of the video player to be set.
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* @param {string} qualityType - The Quality Type of the video. Ex: 720p, 480p
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* @param {boolean} isEmbed - Optional: Value on if the videoHtml is the embeded player.
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*
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* @return {Void}
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*/
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function changeQuality(videoHtml, qualityType, isEmbed = false) {
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if (videoHtml == '') {
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showToast('Video quality type is not available. Unable to change quality.')
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return;
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}
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videoHtml = videoHtml.replace(/\"\;/g, '"');
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console.log(videoHtml);
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console.log(isEmbed);
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// The YouTube API creates 2 more iFrames. This is why a boolean value is sent
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// with the function.
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const embedPlayer = document.getElementsByTagName('IFRAME')[0];
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const html5Player = document.getElementsByClassName('videoPlayer');
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console.log(embedPlayer);
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console.log(html5Player);
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if (isEmbed && html5Player.length == 0) {
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// The embeded player is already playing. Return.
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showToast('You are already using the embeded player.')
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return;
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} else if (isEmbed) {
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// Switch from HTML 5 player to embeded Player
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html5Player[0].remove();
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const mainHtml = $('#main').html();
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$('#main').html(videoHtml + mainHtml);
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$('#currentQuality').html(qualityType);
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} else if (html5Player.length == 0) {
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// Switch from embeded player to HTML 5 player
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embedPlayer.remove();
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let videoPlayer = document.createElement('video');
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videoPlayer.className = 'videoPlayer';
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videoPlayer.src = videoHtml;
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videoPlayer.controls = true;
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videoPlayer.autoplay = true;
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$('#main').prepend(videoPlayer);
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$('#currentQuality').html(qualityType);
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} else {
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// Switch src on HTML 5 player
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const currentPlayBackTime = $('.videoPlayer').get(0).currentTime;
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html5Player[0].src = videoHtml;
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html5Player[0].load();
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$('.videoPlayer').get(0).currentTime = currentPlayBackTime;
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$('#currentQuality').html(qualityType);
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}
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}
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/**
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* Change the playpack speed of the video.
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*
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* @param {double} speed - The playback speed of the video.
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*
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* @return {Void}
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*/
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function changeVideoSpeed(speed){
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$('#currentSpeed').html(speed);
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$('.videoPlayer').get(0).playbackRate = speed;
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}
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2018-03-10 22:13:01 +01:00
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/**
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* Change the volume of the video player
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*
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* @param {double} amount - The volume to increase or descrease the volume by. Will be any double between 0 and 1.
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*
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* @return {Void}
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*/
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2018-03-10 22:06:42 +01:00
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function changeVolume(amount){
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const videoPlayer = $('.videoPlayer').get(0);
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let volume = videoPlayer.volume;
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volume = volume + amount;
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if (volume > 1){
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videoPlayer.volume = 1;
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}
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else if (volume < 0){
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videoPlayer.volume = 0;
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}
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else{
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videoPlayer.volume = volume;
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}
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}
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2018-03-10 22:13:01 +01:00
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/**
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* Change the duration of the current time of a video by a few seconds.
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*
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* @param {integer} seconds - The amount of seconds to change the video by. Integer may be positive or negative.
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*
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* @return {Void}
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*/
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2018-03-10 22:06:42 +01:00
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function changeDurationBySeconds(seconds){
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const videoPlayer = $('.videoPlayer').get(0);
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videoPlayer.currentTime = videoPlayer.currentTime + seconds;
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}
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2018-03-10 22:13:01 +01:00
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/**
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* Change the duration of a video by a percentage of the duration.
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*
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* @param {double} percentage - The percentage to hop to of the video. Will be any double between 0 and 1.
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*
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* @return {Void}
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*/
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2018-03-10 22:06:42 +01:00
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function changeDurationByPercentage(percentage){
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const videoPlayer = $('.videoPlayer').get(0);
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videoPlayer.currentTime = videoPlayer.duration * percentage;
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}
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