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playr.js
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/**
* Playr
*
* @author Julien 'delphiki' Villetorte <gdelphiki@gmail.com>
* http://twitter.com/delphiki
* http://www.delphiki.com/html5/playr
*/
/**
* The Playr object
* @constructor
* @param {Integer} v_id A video id
* @param {DOMElement} v_el The video node
*/
/* jshint strict:false */
function Playr(v_id, v_el){
this.config = {
fontSize: '12pt',
customFontSize: '12pt',
defaultVolume: 0.75,
skipStep: 5, // fast-forward
volumeStep: 0.1,
subsDelayStep: 0.5,
};
this.base64images = {
fullscreen_control: 'data:image/png;base64,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',
pause_control:'data:image/png;base64,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',
play_control:'data:image/png;base64,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',
sound_control:'data:image/png;base64,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',
mute_control:'data:image/png;base64,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'
};
this.nativeTrackSupport = 'track' in document.createElement('track');
this.setupStarted = false;
this.ready = false;
this.video_id = v_id;
this.video = v_el;
this.timecode_refresh = false;
this.captions_refresh = false;
this.isFullscreen = false;
this.isTrueFullscreen = false;
this.isHoldingTime = false;
this.isHoldingVolume = false;
this.focusedElem = null;
this.fsStyle = null;
this.fsVideoStyle = null;
this.track_tags = [];
this.current_track = -1;
this.subs = [];
this.chapters = [];
this.subtitlesDelay = 0;
if(typeof Playr.initialized == 'undefined'){
Playr.prototype.init = function(){
if(this.ready || this.setupStarted) return;
this.setupStarted = true;
var w = this.video.offsetWidth;
var h = this.video.offsetHeight;
var wrapper = document.createElement('div');
var newAttr = document.createAttribute('class');
newAttr.nodeValue = 'playr_wrapper';
wrapper.setAttributeNode(newAttr);
newAttr = document.createAttribute('id');
newAttr.nodeValue = 'playr_wrapper_'+this.video_id;
wrapper.setAttributeNode(newAttr);
newAttr = document.createAttribute('tabindex');
newAttr.nodeValue = '0';
wrapper.setAttributeNode(newAttr);
newAttr = document.createAttribute('id');
newAttr.nodeValue = 'playr_video_'+this.video_id;
this.video.setAttributeNode(newAttr);
this.video.removeAttribute('controls');
var template = '<div class="playr_captions_wrapper" id="playr_captions_wrapper_'+this.video_id+'">'+
'<div class="playr_top_overlay" id="playr_top_overlay_'+this.video_id+'"><a href="http://www.delphiki.com/html5/playr/">Playr</a></div>'+
'<div class="playr_video_container" id="playr_video_container_'+this.video_id+'"></div>'+
'<div class="playr_captions" id="playr_captions_'+this.video_id+'"></div>'+
'</div>'+
'<ul class="playr_controls" id="playr_controls_'+this.video_id+'" role="menubar">'+
'<li><button class="playr_play_btn" id="playr_play_btn_'+this.video_id+'" tabindex="0"><img src="'+this.base64images.play_control+'" id="playr_play_img_'+this.video_id+'" alt="play" /></button></li>'+
'<li>'+
'<div class="playr_timebar" id="playr_timebar_'+this.video_id+'" tabindex="0" role="slider" aria-valuemin="0" aria-valuemax="0" aria-valuenow="0">'+
'<div class="playr_timebar_buffer" id="playr_timebar_buffer_'+this.video_id+'"></div>'+
'<div class="playr_timebar_inner" id="playr_timebar_inner_'+this.video_id+'">'+
'<div class="playr_timebar_pos"></div>'+
'</div>'+
'</div>'+
'<span class="playr_timebar_notice" id="playr_timebar_notice_'+this.video_id+'">00:00</span>'+
'</li>'+
'<li><span id="playr_video_curpos_'+this.video_id+'" role="timer">00:00</span> / <span id="playr_video_duration_'+this.video_id+'">00:00</span></li>'+
'<li><button class="playr_mute_btn" id="playr_mute_btn_'+this.video_id+'" tabindex="0"><img src="'+this.base64images.sound_control+'" class="playr_mute_icon" id="playr_mute_icon_'+this.video_id+'" alt="mute" /></button>'+
'<div class="playr_volume_ctrl" id="playr_volume_ctrl_'+this.video_id+'" tabindex="0" role="slider" aria-valuemin="0" aria-valuemax="1" aria-valuenow="'+this.config.defaultVolume+'" +tabindex="0">'+
'<div class="playr_volumebar" id="playr_volumebar_'+this.video_id+'"><div class="playr_volumebar_inner" id="playr_volumebar_inner_'+this.video_id+'"><div class="playr_volumebar_pos"></+div></div></div>'+
'</div>'+
'</li>'+
'<li><button class="playr_captions_btn" id="playr_captions_btn_'+this.video_id+'" tabindex="0">Menu</button>'+
'<ul class="playr_cc_tracks" id="playr_cc_tracks_'+this.video_id+'">'+
'<li class="playr_menu_title">Subtitles & Captions</li>'+
'<li class="playr_subtitles_item" id="playr_cc_track_'+this.video_id+'_none">'+
'<label for="playr_current_cc_'+this.video_id+'_none">'+
'<input type="radio" name="playr_current_cc_'+this.video_id+'" id="playr_current_cc_'+this.video_id+'_none" value="-1" />'+
' None</label>'+
'</li>'+
'</ul>'+
'</li>'+
'<li><button class="playr_fullscreen_btn" id="playr_fullscreen_btn_'+this.video_id+'" tabindex="0"><img src="'+this.base64images.fullscreen_control+'" alt="fullscreen" /></button></li>'+
'</ul>';
wrapper.innerHTML = template;
this.video.parentNode.insertBefore(wrapper,this.video);
document.getElementById('playr_video_container_'+this.video_id).appendChild(this.video);
document.getElementById('playr_video_container_'+this.video_id).style.height = h+'px';
document.getElementById('playr_wrapper_'+this.video_id).style.width = w+'px';
this.video.volume = this.config.defaultVolume;
this.initEventListeners();
var attr = this.video.attributes;
for (var i=0; i<attr.length; i++){
// autoplay fix
if(attr.item(i).nodeName == 'autoplay')
this.play();
// disable native support
if(attr.item(i).nodeName == 'data-rendering' && attr.item(i).nodeValue == 'playr')
this.setNativeTrackSupport(false);
}
this.loadTrackTags();
this.ready = true;
};
Playr.prototype.setNativeTrackSupport = function(nativeSupport){
this.nativeTrackSupport = nativeSupport;
if(!this.nativeTrackSupport)
this.disableNativeTextTracks();
};
/**
* Inits most the the event listeners
*/
Playr.prototype.initEventListeners = function(){
var that = this;
// video events
this.video.addEventListener('click', function(){ that.play(); return false; }, false);
this.video.addEventListener('timeupdate', function(){ that.timeCode(); that.displayCaptions(); }, false);
this.video.addEventListener('ended', function(){ that.eventEnded(); }, false);
this.video.addEventListener('play', function(){ that.playEvent(); }, false);
this.video.addEventListener('pause', function(){ that.playEvent(); }, false);
this.video.addEventListener('volumechange', function(){ that.volumeChangedEvent(); }, false);
this.video.addEventListener('progress', function(){ that.progressEvent(); }, false);
// true fullscreen
document.addEventListener('mozfullscreenchange',function(){ if(!document.mozFullScreen && that.isTrueFullscreen){that.fullscreen();} }, false);
document.addEventListener('webkitfullscreenchange',function(){ if(!document.webkitIsFullScreen && that.isTrueFullscreen){that.fullscreen();} }, false);
document.getElementById('playr_play_btn_'+this.video_id).addEventListener('click', function(){ that.play(); }, false);
// timebar events
document.getElementById('playr_timebar_'+this.video_id).addEventListener('mousedown', function(){ that.isHoldingTime = true; }, false);
document.getElementById('playr_timebar_'+this.video_id).addEventListener('mouseup', function(e){ that.isHoldingTime = false; that.setPosition(e, true); }, false);
document.getElementById('playr_timebar_'+this.video_id).parentNode.addEventListener('mousemove', function(e){ that.noticeTimecode(e); if(that.isHoldingTime){that.setPosition(e, false);} }, false);
// volume control events
document.getElementById('playr_volumebar_'+this.video_id).addEventListener('mousedown', function(){ that.isHoldingVolume = true; }, false);
document.getElementById('playr_volumebar_'+this.video_id).addEventListener('mouseup', function(e){ that.isHoldingVolume = false; that.setVolume(e); }, false);
document.getElementById('playr_volumebar_'+this.video_id).addEventListener('mousemove', function(e){ if(that.isHoldingVolume){that.setVolume(e);} }, false);
document.getElementById('playr_mute_btn_'+this.video_id).addEventListener('click', function(){ that.toggleMute(); }, false);
document.getElementById('playr_fullscreen_btn_'+this.video_id).addEventListener('click', function(){ that.fullscreen(); }, false);
// focus handling
document.getElementById('playr_wrapper_'+this.video_id).addEventListener('focus', function(){ that.focusedElem = 'playr'; }, false);
document.getElementById('playr_play_btn_'+this.video_id).addEventListener('focus', function(){ that.focusedElem = 'play_btn'; }, false);
document.getElementById('playr_timebar_'+this.video_id).addEventListener('focus', function(){ that.focusedElem = 'timebar'; }, false);
document.addEventListener('keydown', function(e){ that.keyboard(e); }, false);
document.addEventListener('mousewheel', function(e){ that.scrollHandler(e); }, false);
document.addEventListener('DOMMouseScroll', function(e){ that.scrollHandler(e); }, false); // Firefox
window.addEventListener('resize', function(){ if(that.isFullscreen && !that.isTrueFullscreen) that.updateFullscreen(); }, false);
};
/**
* Toggle play / pause (+ change the play button icon)
* @return false to prevent default
*/
Playr.prototype.play = function(){
if(this.video.paused){
this.video.play();
}
else{
this.video.pause();
}
return false;
};
/**
* Called when 'play' or 'pause' events are fired
*/
Playr.prototype.playEvent = function(){
if(this.video.paused){
document.getElementById('playr_play_img_'+this.video_id).src = this.base64images.play_control;
document.getElementById('playr_play_img_'+this.video_id).alt = 'play';
}
else{
document.getElementById('playr_play_img_'+this.video_id).src = this.base64images.pause_control;
document.getElementById('playr_play_img_'+this.video_id).alt = 'pause';
}
};
/**
* Toggle Mute (+ changes the mute icon)
* @return false to prevent default
*/
Playr.prototype.toggleMute = function(){
if(!this.video.muted){
this.video.muted = true;
}
else{
this.video.muted = false;
}
return false;
};
/**
* Set the volume (0 < V < 1)
* @param {Event} ev The click event
*/
Playr.prototype.setVolume = function(ev){
var volumebar = document.getElementById('playr_volumebar_'+this.video_id);
var pos = this.findPos(volumebar);
var diffy = ev.pageY - pos.y;
var curVol = 100 - Math.round(diffy * 100 / volumebar.offsetHeight);
if(curVol <= 100){
document.getElementById('playr_volumebar_inner_'+this.video_id).style.height = curVol.toString()+'%';
this.video.volume = curVol / 100;
document.getElementById('playr_volume_ctrl_'+this.video_id).setAttribute('aria-valuenow', curVol / 100);
}
};
/**
* Called when 'volumechanged' event is fired
*/
Playr.prototype.volumeChangedEvent = function(){
if(this.video.volume <= 1){
document.getElementById('playr_volumebar_inner_'+this.video_id).style.height = (this.video.volume * 100).toString()+'%';
}
if(this.video.muted){
document.getElementById('playr_mute_icon_'+this.video_id).src = this.base64images.mute_control;
document.getElementById('playr_mute_icon_'+this.video_id).alt = 'unmute';
}
else{
document.getElementById('playr_mute_icon_'+this.video_id).src = this.base64images.sound_control;
document.getElementById('playr_mute_icon_'+this.video_id).alt = 'mute';
}
};
/**
* Display the current time code of the video
*/
Playr.prototype.timeCode = function(){
document.getElementById('playr_timebar_'+this.video_id).setAttribute('aria-valuemax', Math.round(this.video.duration * 100) / 100);
document.getElementById('playr_timebar_'+this.video_id).setAttribute('aria-valuenow', this.video.currentTime);
document.getElementById('playr_video_curpos_'+this.video_id).innerHTML = this.parseTimeCode(this.video.currentTime);
if(!isNaN(this.video.duration) && document.getElementById('playr_video_duration_'+this.video_id).innerHTML == '00:00'){
document.getElementById('playr_video_duration_'+this.video_id).innerHTML = this.parseTimeCode(this.video.duration);
}
if(!this.isHoldingTime){
document.getElementById('playr_timebar_inner_'+this.video_id).style.width = this.video.currentTime * 100 / this.video.duration + '%' ;
}
};
/**
* Convert seconds to MM:SS
* @param {Integer} nb_sec A number of seconds
* @return A time code string
*/
Playr.prototype.parseTimeCode = function(nb_sec){
nb_sec = Math.floor(nb_sec);
var nb_min = 0;
while(nb_sec - 60 > 0){
nb_sec = nb_sec - 60;
nb_min++;
}
var sec = nb_sec.toString();
if(sec.length==1){
sec = '0'+sec;
}
var min = nb_min.toString();
if(min.length==1){
min = '0'+min;
}
return min+':'+sec;
};
/**
* Find the global coordinates of the mouse
* @param {DOMElement} The clicked element
* @return A object containing the coordinates
*/
Playr.prototype.findPos = function(el){
var x = 0, y = 0;
if(el.offsetParent){
do {
x += el.offsetLeft;
y += el.offsetTop;
} while (el = el.offsetParent);
}
return { x: x, y: y };
};
/**
* Set the current time of the video (by clicking on the timebar)
* @param {Event} ev The click event
* @param {Boolean} update_cT If true, update the timecode
*/
Playr.prototype.setPosition = function(ev, update_cT){
var timebar = document.getElementById('playr_timebar_'+this.video_id);
var pos = this.findPos(timebar);
var diffx = ev.pageX - pos.x;
var curTime = Math.round(diffx * 100 / timebar.offsetWidth);
document.getElementById('playr_timebar_inner_'+this.video_id).style.width = curTime.toString()+'%';
if(update_cT){
this.video.currentTime = Math.round(curTime * this.video.duration / 100);
}
};
/**
* Updates the progress bar (buffered video)
*/
Playr.prototype.progressEvent = function(){
if(this.video.buffered.length === 0)
return;
var that = this;
var buff = {
start: that.video.buffered.start(0),
end: that.video.buffered.end(0)
};
if(Math.round(buff.end*1000) / 1000 >= that.video.duration){
document.getElementById('playr_timebar_buffer_'+this.video_id).style.width = (document.getElementById('playr_timebar_'+this.video_id).offsetWidth - 2) + 'px';
console.log(document.getElementById('playr_timebar_'+this.video_id).offsetWidth);
}
else{
var bar_width = document.getElementById('playr_timebar_'+this.video_id).offsetWidth;
var cur_width = Math.round((buff.end * bar_width) / this.video.duration);
document.getElementById('playr_timebar_buffer_'+this.video_id).style.width = cur_width+'px';
}
};
/**
* Toggle fullscreen
* @return false to prevent default
*/
Playr.prototype.fullscreen = function(){
var vids = document.querySelectorAll('.playr_wrapper');
var wrapper = document.getElementById('playr_wrapper_'+this.video_id);
if(!this.isFullscreen){
for(var i = 0; i < vids.length; i++)
vids[i].style.visibility = 'hidden';
wrapper.style.visibility = 'visible';
this.fsStyle = {
height: wrapper.style.height,
width: wrapper.style.width
};
this.fsVideoStyle = {
height: this.video.offsetHeight,
width: this.video.offsetWidth
};
if(wrapper.requestFullscreen){
this.isTrueFullscreen = true;
wrapper.requestFullscreen();
}
else if(wrapper.mozRequestFullScreen){
this.isTrueFullscreen = true;
wrapper.mozRequestFullScreen();
}
else if(wrapper.webkitRequestFullScreen){
this.isTrueFullscreen = true;
wrapper.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
}
if(this.isTrueFullscreen){
console.log('True fullscreen');
wrapper.style.position = 'fixed';
wrapper.style.top = 0;
wrapper.style.left = 0;
wrapper.style.height = '100%';
wrapper.style.width = '100%';
wrapper.style.backgroundColor = '#000000';
this.video.style.width = '100%';
this.video.style.height = (screen.height - 30)+'px';
document.body.style.overflow = 'hidden';
}
else{
console.log('Fake fullscreen');
wrapper.style.backgroundColor = '#000000';
wrapper.style.position = 'fixed';
wrapper.style.top = 0;
wrapper.style.left = '50%';
wrapper.style.height = window.innerHeight+'px';
wrapper.style.width = window.innerWidth+'px';
wrapper.style.marginLeft = '-'+Math.round(wrapper.offsetWidth / 2)+'px';
this.video.style.width = window.innerWidth+'px';
this.video.style.height = (window.innerHeight - 30)+'px';
document.body.style.overflow = 'hidden';
}
this.isFullscreen = true;
wrapper.className += (wrapper.className ? ' ' : '')+'playr_is_fullscreen';
}
else{
if(document.cancelFullscreen){
document.cancelFullscreen();
}
else if(document.exitFullscreen){
document.exitFullscreen();
}
else if(document.mozCancelFullScreen){
document.mozCancelFullScreen();
}
else if(document.webkitCancelFullScreen){
document.webkitCancelFullScreen();
}
for(var j = 0; j < vids.length; j++)
vids[j].style.visibility = 'visible';
wrapper.style.backgroundColor = 'transparent';
wrapper.style.position = 'inherit';
wrapper.style.height = this.fsStyle.height;
wrapper.style.width = this.fsStyle.width;
wrapper.style.left = 0;
wrapper.style.marginLeft = 0;
this.video.style.height = this.fsVideoStyle.height+'px';
this.video.style.width = this.fsVideoStyle.width+'px';
document.body.style.overflow = 'auto';
this.isTrueFullscreen = false;
this.isFullscreen = false;
wrapper.className = wrapper.className.replace(new RegExp('(\\s|^)playr_is_fullscreen(\\s|$)'),' ').replace(/^\s+|\s+$/g, '');
this.progressEvent();
}
document.getElementById('playr_video_container_'+this.video_id).style.height = this.video.offsetHeight+'px';
return false;
};
/**
* If fullscreen, auto-resize the player when the widow is resized
*/
Playr.prototype.updateFullscreen = function(){
var wrapper = document.getElementById('playr_wrapper_'+this.video_id);
wrapper.style.height = window.innerHeight+'px';
wrapper.style.width = window.innerWidth+'px';
this.video.style.width = window.innerWidth+'px';
this.video.style.height = (window.innerHeight - 30)+'px';
wrapper.style.marginLeft = '-'+Math.round(wrapper.offsetWidth / 2)+'px';
var factor = Math.round((window.innerHeight - 30) / this.fsVideoStyle.height * 100) / 100;
document.getElementById('playr_captions_'+this.video_id).style.fontSize = factor + 'em';
document.getElementById('playr_video_container_'+this.video_id).style.height = (window.innerHeight-30)+'px';
};
/**
* Look up for <track>s
*/
Playr.prototype.loadTrackTags = function() {
if (this.nativeTrackSupport) {
for (var i = 0; i < this.video.textTracks.length; i++) {
var t = this.video.textTracks[i], track_label;
if (['subtitles', 'captions', 'descriptions'].indexOf(t.kind) != -1) {
if (t.label !== null) track_label = t.label;
else if (t.lang !== null) track_label = t.lang;
else track_label = 'Track '+ (i+1);
var str = '<li class="playr_subtitles_item">'+
'<label for="playr_current_cc_'+this.video_id+'_'+i+'">'+
'<input type="radio" name="playr_current_cc_'+this.video_id+'" id="playr_current_cc_'+this.video_id+'_'+i+'" value="'+i+'" '+
(t.mode == 'showing' ? 'checked="checked"' : '')+
' /> '+
track_label+
'</label></li>';
document.getElementById('playr_cc_tracks_'+this.video_id).innerHTML += str;
this.setActiveTrack();
}
}
var track_list = document.querySelectorAll('input[name="playr_current_cc_'+this.video_id+'"]');
var that = this;
for(i = 0; i < track_list.length; i++){
track_list[i].addEventListener('change', function(){
that.setActiveTrack();
}, false);
}
this.setDefaultTrack();
}
else {
this.track_tags = this.video.getElementsByTagName('track');
for (var i = 0; i < this.track_tags.length; i++) {
var newAttr = document.createAttribute('id');
newAttr.nodeValue = 'playr_track_'+this.video_id+'_'+i;
this.track_tags[i].setAttributeNode(newAttr);
}
if (this.track_tags.length > 0) {
this.loadTrackContent(0);
}
}
};
/**
* Get the content of the <track>s' sources (via XMLHttpRequest) and add an entrie to the track menu
* @param {DOMElement} track A <track> node
*/
Playr.prototype.loadTrackContent = function(track){
var that = this;
var curTrack = that.track_tags[track], track_label;
var req_track = new XMLHttpRequest();
req_track.open('GET', curTrack.getAttribute('src'));
req_track.onreadystatechange = function(){
if(req_track.readyState === 4 && (req_track.status === 200 || req_track.status === 0)){
if(req_track.responseText !== ''){
var kind = curTrack.getAttribute('kind');
if(kind === null || kind === ''){ kind = 'subtitles'; }
that.parseTrack(req_track.responseText, kind);
if(kind == 'subtitles' || kind == 'captions' || kind == 'descriptions'){
var label = curTrack.getAttribute('label');
var lang = curTrack.getAttribute('srclang');
if(label !== null) track_label = label;
else if(lang !== null) track_label = lang;
else track_label = 'Track '+ (track + 1);
var str = '<li class="playr_subtitles_item"><label for="playr_current_cc_'+that.video_id+'_'+track+'">'+
'<input type="radio" name="playr_current_cc_'+that.video_id+'" id="playr_current_cc_'+that.video_id+'_'+track+'" value="'+track+'" /> '+
track_label+
'</label></li>';
document.getElementById('playr_cc_tracks_'+that.video_id).innerHTML += str;
}
}
track++;
if(track < that.track_tags.length){
that.loadTrackContent(track);
}
else{
that.buildChaptersMenu();
that.setDefaultTrack();
}
}
};
req_track.send(null);
};
/**
* Set the default track base on srclang <track> attributes and <html> lang attribute
*/
Playr.prototype.setDefaultTrack = function(){
var lang = document.getElementsByTagName('html')[0].getAttribute('lang');
var track_list = document.querySelectorAll('input[name="playr_current_cc_'+this.video_id+'"]');
var to_check = 0;
var that = this;
track_list[0].addEventListener('change', function(){
that.setActiveTrack();
},false);
for(var i = 0; i < this.track_tags.length; i++){
if(this.track_tags[i].getAttribute('kind') == 'subtitles'){
if(this.track_tags[i].getAttribute('srclang') == lang && to_check === 0){
to_check = i+1;
}
if(this.track_tags[i].hasAttribute('default')){
to_check = i+1;
}
track_list[i+1].addEventListener('change', function(){
that.setActiveTrack();
},false);
}
}
if(track_list[to_check])
track_list[to_check].checked = true;
else
track_list[0].checked = true;
this.setActiveTrack();
};
/**
* Highlights the current track
*/
Playr.prototype.setActiveTrack = function(){
var track_li = document.querySelectorAll('#playr_cc_tracks_'+this.video_id+' li.playr_subtitles_item');
var track_inputs = document.querySelectorAll('input[name="playr_current_cc_'+this.video_id+'"]');
this.disableNativeTextTracks();
for(var i = 0; i < track_inputs.length; i++){
if(track_inputs[i].checked){
track_li[i].className = 'playr_subtitles_item active_track';
if(this.nativeTrackSupport && track_inputs[i].value >= 0){
this.video.textTracks[track_inputs[i].value].mode = 'showing';
}
}
else{
track_inputs[i].checked = null;
track_li[i].className = 'playr_subtitles_item';
}
}
};
/**
* Disables native text tracks
*/
Playr.prototype.disableNativeTextTracks = function(){
if(this.nativeTrackSupport){
for(var i = 0; i < this.video.textTracks.length; i++)
this.video.textTracks[i].mode = 'disabled';
}
};
/**
* Convert MM:SS into seconds
* @param {String} timecode A string with the format: MM:SS
* @return A number of seconds
*/
Playr.prototype.tc2sec = function(timecode){
var tab = timecode.split(':');
return tab[0]*60*60 + tab[1]*60 + parseFloat(tab[2].replace(',','.'));
};
/**
* Parse WebSRT / SubRip subtitles
* @param {String} track_content The content of the file
* @param {String} track_kind 'subtitles', 'captions'...
* @return An array of cues' objects
*/
Playr.prototype.parseTrack = function(track_content, track_kind){
var pattern_identifier = /^([0-9]+)$/;
if(track_kind == 'chapters'){
pattern_identifier = /^chapter-([0-9])+$/;
}
var pattern_timecode = /^([0-9]{2}:[0-9]{2}:[0-9]{2}[,.]{1}[0-9]{3}) --\> ([0-9]{2}:[0-9]{2}:[0-9]{2}[,.]{1}[0-9]{3})(.*)$/;
var lines = track_content.split(/\r?\n/);
var entries = [];
var identifier;
for(var i = 0; i<lines.length; i++) {
if(identifier = pattern_identifier.exec(lines[i])){
i++;
var timecode = pattern_timecode.exec(lines[i]);
if(timecode && i<lines.length){
i++;
var text = lines[i];
i++;
while(lines[i] !== '' && i<lines.length){
text = text + '\n' + lines[i];
i++;
}
entries.push({
'identifier': identifier[0],
'start': this.tc2sec(timecode[1]),
'stop': this.tc2sec(timecode[2]),
'start_tc': timecode[1],
'stop_tc': timecode[2],
'text': text,
'settings': timecode[3]
});
}
}
}
switch(track_kind){
case 'chapters':
this.chapters.push(entries);
break;
case 'subtitles':
case 'captions':
case 'descriptions':
default:
this.subs.push(entries);
break;
}
};
/**
* Builds the chapters menu
*/
Playr.prototype.buildChaptersMenu = function(){
var that = this;
var track_menu = document.getElementById('playr_cc_tracks_'+this.video_id);
if(this.chapters.length > 0){
var tmp = '<li class="playr_chapters_menu_title" id="playr_chapters_menu_title_'+this.video_id+'">Chapters <span style="float:right;">></span><ul class="playr_chapters_menu">';
for(var i = 0; i < this.chapters[0].length; i++){
tmp += '<li><a href="#'+this.chapters[0][i].start_tc+'" class="playr_chapter_'+this.video_id+'" id="playr_chapter_'+this.video_id+'_'+i+'">'+this.chapters[0][i].text+'</a> ('+this.chapters[0][i].start_tc.split('.')[0]+')</li>';
}
tmp += '</ul></li>';
track_menu.innerHTML = tmp + track_menu.innerHTML;
}
var c = document.querySelectorAll('.playr_chapter_'+this.video_id);
for(i = 0; i < c.length; i++){
c[i].addEventListener('click', function(){ that.goToChapter(this); return false; }, false);
}
};
/**
* Jump to the specified chapter
*/
Playr.prototype.goToChapter = function(c){
var jumpto = c.getAttribute('href').split('#')[1];
this.video.currentTime = this.tc2sec(jumpto);
return false;
};
/**
* Display the captions on the video (called on timeupdate)
*/
Playr.prototype.displayCaptions = function(){
if(this.nativeTrackSupport) return;
var captions_div = document.getElementById('playr_captions_'+this.video_id);
var playr_cc_choices = document.querySelectorAll('input[name="playr_current_cc_'+this.video_id+'"]');
for (var i=0; i < playr_cc_choices.length; i++){
if(playr_cc_choices[i].checked){
this.current_track = playr_cc_choices[i].value;
}
}
if(this.current_track >= 0){
for(i=0; i<this.subs[this.current_track].length; i++){
if((this.video.currentTime + this.subtitlesDelay) >= this.subs[this.current_track][i].start &&
(this.video.currentTime + this.subtitlesDelay) <= this.subs[this.current_track][i].stop){
var text = this.subs[this.current_track][i].text;
var captions_wrapper = document.getElementById('playr_captions_wrapper_'+this.video_id);
var wrapper_classes = ['playr_captions_wrapper'];
var captions_container_classes = ['playr_captions'];
var captions_container_styles = ['text-align:center'];
var captions_styles = [];
var captions_lines_styles = [];
var captions_words_styles = [];
var captions_letters_styles = [];
// voice declaration tags
var voice_declarations = /<v ([^>]+)>/i;
while(test_vd = voice_declarations.exec(text)){
text = text.replace(test_vd[0], '<span class="'+test_vd[1].replace(' ', '_')+'">');
}
// classes tags
var classes = /<c\.([a-z0-9-_.]+)>/i;
while(test_classes = classes.exec(text)){
var classes_str = test_classes[1].replace('.', ' ');
text = text.replace(test_classes[0], '<span class="'+classes_str+'">');
}
text = text.replace(/(<\/v>|<\/c>)/ig, '</span>');
// karaoke (timestamps)
var timestamps = /<([0-9]{2}:[0-9]{2}:[0-9]{2}[,.]{1}[0-9]{3})>/;
var prefix = false;
while(test_timestamps = timestamps.exec(text)){
if(this.tc2sec(test_timestamps[1]) < this.video.currentTime){
text = text.replace(test_timestamps[0], '</span><span class="playr_cue_past">');
}
else{
text = text.replace(test_timestamps[0], '</span><span class="playr_cue_future">');
}
prefix = true;
}
if(prefix)
text = '<span class="playr_cue_past">' + text;
// if cue settings
if(this.subs[this.current_track][i].settings !== ''){
var text_align = /(A|align):(start|middle|end)/i;
var text_size = /(S|size):([0-9]{0,3})%/i;
var text_position = /(T|position):([0-9]{0,3})%/i;
var vertical_text = /(D|vertical):(vertical-lr|vertical|lr|rl)/i;
var line_position = /(L|line):(-?[0-9]{0,3})(%?)/i;
var test_ta = text_align.exec(this.subs[this.current_track][i].settings);
var test_ts = text_size.exec(this.subs[this.current_track][i].settings);
var test_tp = text_position.exec(this.subs[this.current_track][i].settings);
var test_vt = vertical_text.exec(this.subs[this.current_track][i].settings);
var test_lpp = line_position.exec(this.subs[this.current_track][i].settings);
// if text align specified
if(test_ta){
if(test_ta[2] == 'start'){ captions_styles.push('text-align:left'); }
else if(test_ta[2] == 'middle'){ captions_styles.push('text-align:center'); }
else if(test_ta[2] == 'end'){ captions_styles.push('text-align:right'); }
}
// if text position specified
if(test_tp && test_tp[2] >= 0 && test_tp[2] < 50){
captions_container_styles.push('text-align:left');
captions_styles.push('margin-left:'+test_tp[1]+'%');
}
else if(test_tp && test_tp[2] > 50 && test_tp[2] <= 100){
captions_container_styles.push('text-align:right');
captions_styles.push('margin-right:'+(100-test_tp[2])+'%');
}
// if text size specified
if(test_ts){
var new_font_size = (test_ts[2]/100) * parseInt(this.config.fontSize);
captions_styles.push('font-size:'+new_font_size+'pt');
}
// if vertical text specified
if(test_vt){
captions_letters_styles.push('display:block');
captions_letters_styles.push('min-height:5px');
captions_letters_styles.push('min-width:1px');
text = '<span style="'+captions_letters_styles.join(';')+'">'+
text.split('').join('</span><span style="'+captions_letters_styles.join(';')+'">')+
'</span>';
text = text.replace(/([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1</span><br /><span>$2');
captions_lines_styles.push('display:block');
captions_lines_styles.push('padding:5px');
captions_lines_styles.push('text-align:center');
if(test_vt[2] == 'vertical-lr' || test_vt[2] == 'lr'){
captions_lines_styles.push('float:left');
captions_styles.push('float:left');
}
else{
captions_lines_styles.push('float:right');
captions_styles.push('float:right');
}
captions_lines_styles.push('background-color:rgba(0,0,0,0.75)');
captions_styles.push('background:none');
captions_container_styles.push('top:0');
text = text.replace(/<br \/>/, '</span><span style="'+captions_lines_styles.join(';')+'">');
text = text.replace(/<span>(\r\n|\n\r|\r|\n)<\/span>/g, '');
}
// if line position specified
if(test_lpp && test_lpp[2] >= -100 && test_lpp[2] <= 100){
if(test_lpp[3] == '%'){
var side = (test_lpp[2] < 0) ? 'bottom':'top';
var value = Math.abs(test_lpp[2]);
captions_container_styles.push(side+':'+value+'%');
}
}
}
if(this.isFullscreen){
var factor = Math.round((window.innerHeight - 30) / this.fsVideoStyle.height * 100) / 100;
captions_styles.push('font-size:' + Math.round(parseInt(this.config.fontSize)*factor) + 'pt');
}
else{
}
captions_wrapper.setAttribute('class', wrapper_classes.join(' '));
captions_div.setAttribute('class', captions_container_classes.join(' '));
captions_div.setAttribute('style', captions_container_styles.join(';'));
if(!test_vt){
text = text.replace(/([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1</span><br /><span style="'+captions_lines_styles.join(';')+'">$2');
}
captions_div.innerHTML = '<p style="'+captions_styles.join(';')+'">'+'<span style="'+captions_lines_styles.join(';')+'">'+text+'</span>'+'</p>';
captions_div.style.visibility = 'visible';
return;
}
else{
captions_div.style.visibility = 'hidden';
}
}
}
else{
captions_div.style.visibility = 'hidden';
}
return;
};
/**
* Reset the video when the end is reached
*/
Playr.prototype.eventEnded = function(){
this.video.currentTime = 0;
this.video.pause();
document.getElementById('playr_play_img_'+this.video_id).src = this.base64images.play_control;
document.getElementById('playr_play_img_'+this.video_id).alt = 'play';
};
/**
* Display a time code indicator when hovering the timebar
* @param {Event} ev The mouseover event
*/
Playr.prototype.noticeTimecode = function(ev){
var timebar = document.getElementById('playr_timebar_'+this.video_id);
var notice = document.getElementById('playr_timebar_notice_'+this.video_id);
var pos = this.findPos(timebar);
var diffx = ev.pageX - pos.x;
var curTime = Math.round(diffx * 100 / timebar.offsetWidth);
if(curTime < 0) curTime = 0;
notice.innerHTML = this.parseTimeCode(Math.round(curTime * this.video.duration / 100));
notice.style.marginLeft = (diffx + 3 - notice.offsetWidth / 2)+'px';
};
/**
* Checks if the current playr instance has the focus
*/
Playr.prototype.playrHasFocus = function(){
var aElem_id = document.activeElement.getAttribute('id');
var focusRegex = new RegExp('^playr_.+_'+this.video_id+'$');
return (focusRegex.test(aElem_id));
};
/**
* Manage the keyboard events
* @param {Event} ev The keyup event
*/
Playr.prototype.keyboard = function(ev){
if(!this.playrHasFocus()) return true;
switch(ev.keyCode){
case 27: // escape
if(this.isFullscreen){
this.fullscreen();
}
break;
case 32: // spacebar
this.play();
break;
case 37: // arrow left
if(this.video.currentTime - this.config.skipStep < 0){
this.video.currentTime = 0;
}
else{
this.video.currentTime -= this.config.skipStep;
}
ev.preventDefault();
break;
case 38: // arrow up
if(this.video.volume + this.config.volumeStep > 1){
this.video.volume = 1;
}
else{
this.video.volume += this.config.volumeStep;
}
this.notification('Volume: '+Math.round(this.video.volume*100)+'%');
ev.preventDefault();
break;
case 39: // arrow right
if(this.video.currentTime + this.config.skipStep > this.video.duration){
this.video.currentTime = this.video.duration;
}
else{
this.video.currentTime += this.config.skipStep;
}
ev.preventDefault();
break;
case 40: // arrow down
if(this.video.volume - this.config.volumeStep < 0){
this.video.volume = 0;
}
else{
this.video.volume -= this.config.volumeStep;
}
this.notification('Volume: '+Math.round(this.video.volume*100)+'%');
ev.preventDefault();
break;
case 67: // c
this.subtitlesDelay += this.config.subsDelayStep;
this.notification('Subtitles delay: '+this.subtitlesDelay+' second(s)');
break;
case 68: // d
this.subtitlesDelay = 0.0;