bootstrap-italia
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Bootstrap Italia è un tema Bootstrap 5 per la creazione di applicazioni web nel pieno rispetto delle linee guida di design per i siti internet e i servizi digitali della PA
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JavaScript
/**
* --------------------------------------------------------------------------
* Bootstrap Italia (https://italia.github.io/bootstrap-italia/)
* Authors: https://github.com/italia/bootstrap-italia/blob/main/AUTHORS
* Licensed under BSD-3-Clause license (https://github.com/italia/bootstrap-italia/blob/main/LICENSE)
* This file is a modified version of Benoit Tremblay's VideoJS YouTube plugin
* Main repository: https://github.com/videojs/videojs-youtube
* Copyright (c) 2014-2015 Benoit Tremblay <trembl.ben@gmail.com>
* Licensed under MIT license (https://github.com/videojs/videojs-youtube?tab=readme-ov-file#license)
* --------------------------------------------------------------------------
*/
/*global define, YT*/
const initYoutubePlugin = (videojs) => {
const _isOnMobile = videojs.browser.IS_IOS || videojs.browser.IS_NATIVE_ANDROID;
const Tech = videojs.getTech('Tech');
class Youtube extends Tech {
constructor(options, ready) {
super(options, ready);
this.setPoster(options.poster);
this.setSrc(this.options_.source, true);
// Set the vjs-youtube class to the player
// Parent is not set yet so we have to wait a tick
this.setTimeout(function () {
if (this.el_) {
this.el_.parentNode.className += ' vjs-youtube';
if (_isOnMobile) {
this.el_.parentNode.className += ' vjs-youtube-mobile';
}
if (Youtube.isApiReady) {
this.initYTPlayer();
} else {
Youtube.apiReadyQueue.push(this);
}
}
}.bind(this));
}
dispose() {
if (this.ytPlayer) {
//Dispose of the YouTube Player
if (this.ytPlayer.stopVideo) {
this.ytPlayer.stopVideo();
}
if (this.ytPlayer.destroy) {
this.ytPlayer.destroy();
}
} else {
//YouTube API hasn't finished loading or the player is already disposed
var index = Youtube.apiReadyQueue.indexOf(this);
if (index !== -1) {
Youtube.apiReadyQueue.splice(index, 1);
}
}
this.ytPlayer = null;
this.el_.parentNode.className = this.el_.parentNode.className
.replace(' vjs-youtube', '')
.replace(' vjs-youtube-mobile', '');
this.el_.parentNode.removeChild(this.el_);
//Needs to be called after the YouTube player is destroyed, otherwise there will be a null reference exception
Tech.prototype.dispose.call(this);
}
createEl() {
if (typeof document === 'undefined') {
return
}
var div = document.createElement('div');
div.setAttribute('id', this.options_.techId);
div.setAttribute('style', 'width:100%;height:100%;top:0;left:0;position:absolute');
div.setAttribute('class', 'vjs-tech');
var divWrapper = document.createElement('div');
divWrapper.appendChild(div);
if (!_isOnMobile && !this.options_.ytControls) {
var divBlocker = document.createElement('div');
divBlocker.setAttribute('class', 'vjs-iframe-blocker');
divBlocker.setAttribute('style', 'position:absolute;top:0;left:0;width:100%;height:100%');
// In case the blocker is still there and we want to pause
divBlocker.onclick = function () {
this.pause();
}.bind(this);
divWrapper.appendChild(divBlocker);
}
return divWrapper;
}
initYTPlayer() {
var playerVars = {
controls: 0,
modestbranding: 1,
rel: 0,
showinfo: 0,
loop: this.options_.loop ? 1 : 0
};
// Let the user set any YouTube parameter
// https://developers.google.com/youtube/player_parameters?playerVersion=HTML5#Parameters
// To use YouTube controls, you must use ytControls instead
// To use the loop or autoplay, use the video.js settings
if (typeof this.options_.autohide !== 'undefined') {
playerVars.autohide = this.options_.autohide;
}
if (typeof this.options_['cc_load_policy'] !== 'undefined') {
playerVars['cc_load_policy'] = this.options_['cc_load_policy'];
}
if (typeof this.options_.ytControls !== 'undefined') {
playerVars.controls = this.options_.ytControls;
}
if (typeof this.options_.disablekb !== 'undefined') {
playerVars.disablekb = this.options_.disablekb;
}
if (typeof this.options_.color !== 'undefined') {
playerVars.color = this.options_.color;
}
if (!playerVars.controls) {
// Let video.js handle the fullscreen unless it is the YouTube native controls
playerVars.fs = 0;
} else if (typeof this.options_.fs !== 'undefined') {
playerVars.fs = this.options_.fs;
}
if (this.options_.source.src.indexOf('end=') !== -1) {
var srcEndTime = this.options_.source.src.match(/end=([0-9]*)/);
this.options_.end = parseInt(srcEndTime[1]);
}
if (typeof this.options_.end !== 'undefined') {
playerVars.end = this.options_.end;
}
if (typeof this.options_.hl !== 'undefined') {
playerVars.hl = this.options_.hl;
} else if (typeof this.options_.language !== 'undefined') {
// Set the YouTube player on the same language than video.js
playerVars.hl = this.options_.language.substr(0, 2);
}
if (typeof this.options_['iv_load_policy'] !== 'undefined') {
playerVars['iv_load_policy'] = this.options_['iv_load_policy'];
}
if (typeof this.options_.list !== 'undefined') {
playerVars.list = this.options_.list;
} else if (this.url && typeof this.url.listId !== 'undefined') {
playerVars.list = this.url.listId;
}
if (typeof this.options_.listType !== 'undefined') {
playerVars.listType = this.options_.listType;
}
if (typeof this.options_.modestbranding !== 'undefined') {
playerVars.modestbranding = this.options_.modestbranding;
}
if (typeof this.options_.playlist !== 'undefined') {
playerVars.playlist = this.options_.playlist;
}
if (typeof this.options_.playsinline !== 'undefined') {
playerVars.playsinline = this.options_.playsinline;
}
if (typeof this.options_.rel !== 'undefined') {
playerVars.rel = this.options_.rel;
}
if (typeof this.options_.showinfo !== 'undefined') {
playerVars.showinfo = this.options_.showinfo;
}
if (this.options_.source.src.indexOf('start=') !== -1) {
var srcStartTime = this.options_.source.src.match(/start=([0-9]*)/);
this.options_.start = parseInt(srcStartTime[1]);
}
if (typeof this.options_.start !== 'undefined') {
playerVars.start = this.options_.start;
}
if (typeof this.options_.theme !== 'undefined') {
playerVars.theme = this.options_.theme;
}
// Allow undocumented options to be passed along via customVars
if (typeof this.options_.customVars !== 'undefined') {
var customVars = this.options_.customVars;
Object.keys(customVars).forEach(function (key) {
playerVars[key] = customVars[key];
});
}
this.activeVideoId = this.url ? this.url.videoId : null;
this.activeList = playerVars.list;
var playerConfig = {
videoId: this.activeVideoId,
playerVars: playerVars,
events: {
onReady: this.onPlayerReady.bind(this),
onPlaybackQualityChange: this.onPlayerPlaybackQualityChange.bind(this),
onPlaybackRateChange: this.onPlayerPlaybackRateChange.bind(this),
onStateChange: this.onPlayerStateChange.bind(this),
onVolumeChange: this.onPlayerVolumeChange.bind(this),
onError: this.onPlayerError.bind(this)
}
};
if (typeof this.options_.enablePrivacyEnhancedMode !== 'undefined' && this.options_.enablePrivacyEnhancedMode) {
playerConfig.host = 'https://www.youtube-nocookie.com';
}
this.ytPlayer = new YT.Player(this.options_.techId, playerConfig);
}
onPlayerReady() {
if (this.options_.muted) {
this.ytPlayer.mute();
}
var playbackRates = this.ytPlayer.getAvailablePlaybackRates();
if (playbackRates.length > 1) {
this.featuresPlaybackRate = true;
}
this.playerReady_ = true;
this.triggerReady();
if (this.playOnReady) {
this.play();
} else if (this.cueOnReady) {
this.cueVideoById_(this.url.videoId);
this.activeVideoId = this.url.videoId;
}
}
onPlayerPlaybackQualityChange() {
}
onPlayerPlaybackRateChange() {
this.trigger('ratechange');
}
onPlayerStateChange(e) {
var state = e.data;
if (state === this.lastState || this.errorNumber) {
return;
}
this.lastState = state;
switch (state) {
case -1:
this.trigger('loadstart');
this.trigger('loadedmetadata');
this.trigger('durationchange');
this.trigger('ratechange');
break;
case YT.PlayerState.ENDED:
this.trigger('ended');
break;
case YT.PlayerState.PLAYING:
this.trigger('timeupdate');
this.trigger('durationchange');
this.trigger('playing');
this.trigger('play');
if (this.isSeeking) {
this.onSeeked();
}
break;
case YT.PlayerState.PAUSED:
this.trigger('canplay');
if (this.isSeeking) {
this.onSeeked();
} else {
this.trigger('pause');
}
break;
case YT.PlayerState.BUFFERING:
this.player_.trigger('timeupdate');
this.player_.trigger('waiting');
break;
}
}
onPlayerVolumeChange() {
this.trigger('volumechange');
}
onPlayerError(e) {
this.errorNumber = e.data;
this.trigger('pause');
this.trigger('error');
}
error() {
var code = 1000 + this.errorNumber; // as smaller codes are reserved
switch (this.errorNumber) {
case 5:
return { code: code, message: 'Error while trying to play the video' };
case 2:
case 100:
return { code: code, message: 'Unable to find the video' };
case 101:
case 150:
return {
code: code,
message: 'Playback on other Websites has been disabled by the video owner.'
};
}
return { code: code, message: 'YouTube unknown error (' + this.errorNumber + ')' };
}
loadVideoById_(id) {
var options = {
videoId: id
};
if (this.options_.start) {
options.startSeconds = this.options_.start;
}
if (this.options_.end) {
options.endSeconds = this.options_.end;
}
this.ytPlayer.loadVideoById(options);
}
cueVideoById_(id) {
var options = {
videoId: id
};
if (this.options_.start) {
options.startSeconds = this.options_.start;
}
if (this.options_.end) {
options.endSeconds = this.options_.end;
}
this.ytPlayer.cueVideoById(options);
}
src(src) {
if (src) {
this.setSrc({ src: src });
}
return this.source;
}
poster() {
// You can't start programmaticlly a video with a mobile
// through the iframe so we hide the poster and the play button (with CSS)
if (_isOnMobile) {
return null;
}
return this.poster_;
}
setPoster(poster) {
this.poster_ = poster;
}
setSrc(source) {
if (!source || !source.src) {
return;
}
delete this.errorNumber;
this.source = source;
this.url = Youtube.parseUrl(source.src);
if (!this.options_.poster) {
if (this.url.videoId) {
// Set the low resolution first
this.poster_ = 'https://img.youtube.com/vi/' + this.url.videoId + '/0.jpg';
this.trigger('posterchange');
// Check if their is a high res
this.checkHighResPoster();
}
}
if (this.options_.autoplay && !_isOnMobile) {
if (this.isReady_) {
this.play();
} else {
this.playOnReady = true;
}
} else if (this.activeVideoId !== this.url.videoId) {
if (this.isReady_) {
this.cueVideoById_(this.url.videoId);
this.activeVideoId = this.url.videoId;
} else {
this.cueOnReady = true;
}
}
}
autoplay() {
return this.options_.autoplay;
}
setAutoplay(val) {
this.options_.autoplay = val;
}
loop() {
return this.options_.loop;
}
setLoop(val) {
this.options_.loop = val;
}
play() {
if (!this.url || !this.url.videoId) {
return;
}
this.wasPausedBeforeSeek = false;
if (this.isReady_) {
if (this.url.listId) {
if (this.activeList === this.url.listId) {
this.ytPlayer.playVideo();
} else {
this.ytPlayer.loadPlaylist(this.url.listId);
this.activeList = this.url.listId;
}
}
if (this.activeVideoId === this.url.videoId) {
this.ytPlayer.playVideo();
} else {
this.loadVideoById_(this.url.videoId);
this.activeVideoId = this.url.videoId;
}
} else {
this.trigger('waiting');
this.playOnReady = true;
}
}
pause() {
if (this.ytPlayer) {
this.ytPlayer.pauseVideo();
}
}
paused() {
return (this.ytPlayer) ?
(this.lastState !== YT.PlayerState.PLAYING && this.lastState !== YT.PlayerState.BUFFERING)
: true;
}
currentTime() {
return this.ytPlayer ? this.ytPlayer.getCurrentTime() : 0;
}
setCurrentTime(seconds) {
if (this.lastState === YT.PlayerState.PAUSED) {
this.timeBeforeSeek = this.currentTime();
}
if (!this.isSeeking) {
this.wasPausedBeforeSeek = this.paused();
}
this.ytPlayer.seekTo(seconds, true);
this.trigger('timeupdate');
this.trigger('seeking');
this.isSeeking = true;
// A seek event during pause does not return an event to trigger a seeked event,
// so run an interval timer to look for the currentTime to change
if (this.lastState === YT.PlayerState.PAUSED && this.timeBeforeSeek !== seconds) {
clearInterval(this.checkSeekedInPauseInterval);
this.checkSeekedInPauseInterval = setInterval(function () {
if (this.lastState !== YT.PlayerState.PAUSED || !this.isSeeking) {
// If something changed while we were waiting for the currentTime to change,
// clear the interval timer
clearInterval(this.checkSeekedInPauseInterval);
} else if (this.currentTime() !== this.timeBeforeSeek) {
this.trigger('timeupdate');
this.onSeeked();
}
}.bind(this), 250);
}
}
seeking() {
return this.isSeeking;
}
seekable() {
if (!this.ytPlayer) {
return videojs.createTimeRange();
}
return videojs.createTimeRange(0, this.ytPlayer.getDuration());
}
onSeeked() {
clearInterval(this.checkSeekedInPauseInterval);
this.isSeeking = false;
if (this.wasPausedBeforeSeek) {
this.pause();
}
this.trigger('seeked');
}
playbackRate() {
return this.ytPlayer ? this.ytPlayer.getPlaybackRate() : 1;
}
setPlaybackRate(suggestedRate) {
if (!this.ytPlayer) {
return;
}
this.ytPlayer.setPlaybackRate(suggestedRate);
}
duration() {
return this.ytPlayer ? this.ytPlayer.getDuration() : 0;
}
currentSrc() {
return this.source && this.source.src;
}
ended() {
return this.ytPlayer ? (this.lastState === YT.PlayerState.ENDED) : false;
}
volume() {
return this.ytPlayer ? this.ytPlayer.getVolume() / 100.0 : 1;
}
setVolume(percentAsDecimal) {
if (!this.ytPlayer) {
return;
}
this.ytPlayer.setVolume(percentAsDecimal * 100.0);
}
muted() {
return this.ytPlayer ? this.ytPlayer.isMuted() : false;
}
setMuted(mute) {
if (!this.ytPlayer) {
return;
}
else {
this.muted(true);
}
if (mute) {
this.ytPlayer.mute();
} else {
this.ytPlayer.unMute();
}
this.setTimeout(function () {
this.trigger('volumechange');
}, 50);
}
buffered() {
if (!this.ytPlayer || !this.ytPlayer.getVideoLoadedFraction) {
return videojs.createTimeRange();
}
var bufferedEnd = this.ytPlayer.getVideoLoadedFraction() * this.ytPlayer.getDuration();
return videojs.createTimeRange(0, bufferedEnd);
}
// TODO: Can we really do something with this on YouTUbe?
preload() { }
load() { }
reset() { }
networkState() {
if (!this.ytPlayer) {
return 0; //NETWORK_EMPTY
}
switch (this.ytPlayer.getPlayerState()) {
case -1: //unstarted
return 0; //NETWORK_EMPTY
case 3: //buffering
return 2; //NETWORK_LOADING
default:
return 1; //NETWORK_IDLE
}
}
readyState() {
if (!this.ytPlayer) {
return 0; //HAVE_NOTHING
}
switch (this.ytPlayer.getPlayerState()) {
case -1: //unstarted
return 0; //HAVE_NOTHING
case 5: //video cued
return 1; //HAVE_METADATA
case 3: //buffering
return 2; //HAVE_CURRENT_DATA
default:
return 4; //HAVE_ENOUGH_DATA
}
}
supportsFullScreen() {
if (typeof document === 'undefined') {
return
}
return document.fullscreenEnabled ||
document.webkitFullscreenEnabled ||
document.mozFullScreenEnabled ||
document.msFullscreenEnabled;
}
// Tries to get the highest resolution thumbnail available for the video
checkHighResPoster() {
var uri = 'https://img.youtube.com/vi/' + this.url.videoId + '/maxresdefault.jpg';
try {
var image = new Image();
image.onload = function () {
// Onload may still be called if YouTube returns the 120x90 error thumbnail
if ('naturalHeight' in image) {
if (image.naturalHeight <= 90 || image.naturalWidth <= 120) {
return;
}
} else if (image.height <= 90 || image.width <= 120) {
return;
}
this.poster_ = uri;
this.trigger('posterchange');
}.bind(this);
image.onerror = function () { };
image.src = uri;
}
catch (e) { }
}
}
Youtube.isSupported = function () {
return true;
};
Youtube.canPlaySource = function (e) {
return Youtube.canPlayType(e.type);
};
Youtube.canPlayType = function (e) {
return (e === 'video/youtube');
};
Youtube.parseUrl = function (url) {
var result = {
videoId: null
};
var regex = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/;
var match = url.match(regex);
if (match && match[2].length === 11) {
result.videoId = match[2];
}
var regPlaylist = /[?&]list=([^#\&\?]+)/;
match = url.match(regPlaylist);
if (match && match[1]) {
result.listId = match[1];
}
return result;
};
function apiLoaded() {
YT.ready(function () {
Youtube.isApiReady = true;
for (var i = 0; i < Youtube.apiReadyQueue.length; ++i) {
Youtube.apiReadyQueue[i].initYTPlayer();
}
});
}
function loadScript(src, callback) {
if (typeof document === 'undefined') {
return
}
var loaded = false;
var tag = document.createElement('script');
var firstScriptTag = document.getElementsByTagName('script')[0];
if (!firstScriptTag) {
// when loaded in jest without jsdom setup it doesn't get any element.
// In jest it doesn't really make sense to do anything, because no one is watching youtube in jest
return;
}
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
tag.onload = function () {
if (!loaded) {
loaded = true;
callback();
}
};
tag.onreadystatechange = function () {
if (!loaded && (this.readyState === 'complete' || this.readyState === 'loaded')) {
loaded = true;
callback();
}
};
tag.src = src;
}
function injectCss() {
if (typeof document === 'undefined') {
return
}
var css = // iframe blocker to catch mouse events
'.vjs-youtube .vjs-iframe-blocker { display: none; }' +
'.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }' +
'.vjs-youtube .vjs-poster { background-size: cover; }';
var head = document.head || document.getElementsByTagName('head')[0];
var style = document.createElement('style');
style.type = 'text/css';
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(document.createTextNode(css));
}
head.appendChild(style);
}
Youtube.apiReadyQueue = [];
if (typeof document !== 'undefined') {
loadScript('https://www.youtube.com/iframe_api', apiLoaded);
injectCss();
}
// Older versions of VJS5 doesn't have the registerTech function
if (typeof videojs.registerTech !== 'undefined') {
videojs.registerTech('Youtube', Youtube);
} else {
videojs.registerComponent('Youtube', Youtube);
}
};
export { initYoutubePlugin };
//# sourceMappingURL=youtube-video.js.map