mirror of https://github.com/FreeTubeApp/FreeTube
343 lines
11 KiB
JavaScript
343 lines
11 KiB
JavaScript
/*
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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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hideViews();
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playerView.playerSeen = true;
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playerView.videoId = videoId;
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playerView.video480p = undefined;
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playerView.video720p = undefined;
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playerView.embededHtml = "<iframe width='560' height='315' src='https://www.youtube-nocookie.com/embed/" + videoId + "?rel=0' frameborder='0' allow='autoplay; encrypted-media' allowfullscreen></iframe>";
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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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playerView.savedText = 'FAVORITE';
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playerView.savedIconType = 'far unsaved';
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} else {
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playerView.savedText = 'FAVORITED';
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playerView.savedIconType = 'fas saved';
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}
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});
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youtubeAPI('videos', {
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part: 'statistics',
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id: videoId,
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}, function (data) {
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// Figure out the width for the like/dislike bar.
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playerView.videoLikes = data['items'][0]['statistics']['likeCount'];
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playerView.videoDislikes = data['items'][0]['statistics']['dislikeCount'];
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let totalLikes = parseInt(playerView.videoLikes) + parseInt(playerView.videoDislikes);
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playerView.likePercentage = parseInt((playerView.videoLikes / totalLikes) * 100);
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});
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/*
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* FreeTube calls youtube-dl to grab the direct video URL.
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*/
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youtubedlGetInfo(videoId, (info) => {
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playerView.videoTitle = info['title'];
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playerView.channelName = info['author']['name'];
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playerView.channelId = info['author']['id'];
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playerView.channelIcon = info['author']['avatar'];
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let videoUrls = info['formats'];
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// Add commas to the video view count.
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playerView.videoViews = info['view_count'].toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
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playerView.videoThumbnail = info['player_response']['videoDetails']['thumbnail']['thumbnails'][3]['url'];
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// Format the date to a more readable format.
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let dateString = new Date(info['published']);
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dateString.setDate(dateString.getDate() + 1);
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playerView.publishedDate = dateFormat(dateString, "mmm dS, yyyy");
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let description = info['description'];
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// Adds clickable links to the description.
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playerView.description = autolinker.link(description);
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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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switch (videoUrls[key]['itag']) {
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case '18':
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playerView.video480p = decodeURIComponent(videoUrls[key]['url']);
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//console.log(video480p);
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break;
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case '22':
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playerView.video720p = decodeURIComponent(videoUrls[key]['url']);
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//console.log(video720p);
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break;
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}
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});
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let useEmbedPlayer = false;
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// Default to the embeded player if the URLs cannot be found.
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if (typeof(playerView.video720p) === 'undefined' && typeof(playerView.video480p) === 'undefined') {
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//useEmbedPlayer = true;
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playerView.currentQuality = 'EMBED';
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playerView.playerSeen = false;
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useEmbedPlayer = true;
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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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playerView.videoUrl = playerView.video480p;
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playerView.currentQuality = '480p';
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} else {
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// Default to the 720p video.
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playerView.videoUrl = playerView.video720p;
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playerView.currentQuality = '720p';
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}
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if (!useEmbedPlayer) {
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let videoHtml = '';
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if (typeof(info.player_response.captions) === 'object') {
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if (typeof(info.player_response.captions.playerCaptionsTracklistRenderer.captionTracks) === 'object') {
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const videoSubtitles = info.player_response.captions.playerCaptionsTracklistRenderer.captionTracks;
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videoSubtitles.forEach((subtitle) => {
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let subtitleUrl = 'https://www.youtube.com/api/timedtext?lang=' + subtitle.languageCode + '&fmt=vtt&name=&v=' + videoId;
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if (subtitle.kind == 'asr') {
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//subtitleUrl = subtitle.baseUrl;
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return;
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}
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videoHtml = videoHtml + '<track kind="subtitles" src="' + subtitleUrl + '" srclang="' + subtitle.languageCode + '" label="' + subtitle.name.simpleText + '">';
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});
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}
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}
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playerView.subtitleHtml = videoHtml;
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}
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const checkSubscription = isSubscribed(playerView.channelId);
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checkSubscription.then((results) => {
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if (results === false) {
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if (subscribeButton != null) {
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playerView.subscribedText = 'SUBSCRIBE';
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}
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} else {
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if (subscribeButton != null) {
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playerView.subscribedText = 'UNSUBSCRIBE';
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}
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}
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});
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showVideoRecommendations(videoId);
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loadingView.seen = false;
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if (subscriptionView.seen === false && aboutView.seen === false && headerView.seen === false && searchView.seen === false && settingsView.seen === false && popularView.seen === false && savedView.seen === false && historyView.seen === false && channelView.seen === false && channelVideosView.seen === false) {
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playerView.seen = true;
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}
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else{
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return;
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}
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addToHistory(videoId);
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// Hide subtitles by default
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if (typeof(info['subtitles']) !== 'undefined' && Object.keys(info['subtitles']).length > 0) {
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let textTracks = $('.videoPlayer').get(0).textTracks;
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Object.keys(textTracks).forEach((track) => {
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textTracks[track].mode = 'hidden';
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});
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}
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window.setTimeout(checkVideoUrls, 5000, playerView.video480p, playerView.video720p);
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});
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}
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/**
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* Open up the mini player to watch the video outside of the main application.
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*
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* @param {string} videoThumbnail - The URL of the video thumbnail. Used to prevent another API call.
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*
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* @return {Void}
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*/
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function openMiniPlayer() {
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let lastTime;
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let videoHtml;
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// Grabs whatever the HTML is for the current video player. Done this way to grab
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// the HTML5 player (with varying qualities) as well as the YouTube embeded player.
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if ($('.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 = $('iframe').get(0).outerHTML;
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}
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// Create a new browser window.
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const BrowserWindow = electron.remote.BrowserWindow;
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let miniPlayer = new BrowserWindow({
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width: 1200,
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height: 710
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});
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// Use the miniPlayer.html template.
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$.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: playerView.thumbnail,
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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(url, qualityText, 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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ft.log('HTML Video: ', videoHtml);
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ft.log('(Is the video embeded?) isEmbed: ', 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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ft.log('Embeded Player Element: ', embedPlayer);
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ft.log('HTML5 Player Element: ', 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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/**
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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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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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} else if (volume < 0) {
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videoPlayer.volume = 0;
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} else {
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videoPlayer.volume = volume;
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}
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}
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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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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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/**
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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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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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