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audio-player.js
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audio-player.js
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/*
VIEWPORT BUG FIX
iOS viewport scaling bug fix, by @mathias, @cheeaun and @jdalton
*/
(function(doc){var addEvent='addEventListener',type='gesturestart',qsa='querySelectorAll',scales=[1,1],meta=qsa in doc?doc[qsa]('meta[name=viewport]'):[];function fix(){meta.content='width=device-width,minimum-scale='+scales[0]+',maximum-scale='+scales[1];doc.removeEventListener(type,fix,true);}if((meta=meta[meta.length-1])&&addEvent in doc){fix();scales=[.25,1.6];doc[addEvent](type,fix,true);}}(document));
/*
AUTHOR: Osvaldas Valutis, www.osvaldas.info
*/
jQuery(document).ready(function($) {
var isTouch = 'ontouchstart' in window,
eStart = isTouch ? 'touchstart' : 'mousedown',
eMove = isTouch ? 'touchmove' : 'mousemove',
eEnd = isTouch ? 'touchend' : 'mouseup',
eCancel = isTouch ? 'touchcancel' : 'mouseup',
secondsToTime = function( secs )
{
var hours = Math.floor( secs / 3600 ), minutes = Math.floor( secs % 3600 / 60 ), seconds = Math.ceil( secs % 3600 % 60 );
return ( hours == 0 ? '' : hours > 0 && hours.toString().length < 2 ? '0'+hours+':' : hours+':' ) + ( minutes.toString().length < 2 ? '0'+minutes : minutes ) + ':' + ( seconds.toString().length < 2 ? '0'+seconds : seconds );
},
canPlayType = function( file )
{
var audioElement = document.createElement( 'audio' );
return !!( audioElement.canPlayType && audioElement.canPlayType( 'audio/' + file.split( '.' ).pop().toLowerCase() + ';' ).replace( /no/, '' ) );
};
$.fn.audioPlayer = function( params )
{
var params = $.extend( { classPrefix: 'audioplayer', strPlay: 'Play', strPause: 'Pause', strVolume: 'Volume' }, params ),
cssClass = {},
cssClassSub =
{
playPause: 'playpause',
playing: 'playing',
time: 'time',
timeCurrent: 'time-current',
timeDuration: 'time-duration',
bar: 'bar',
barLoaded: 'bar-loaded',
barPlayed: 'bar-played',
volume: 'volume',
volumeButton: 'volume-button',
volumeAdjust: 'volume-adjust',
noVolume: 'novolume',
mute: 'mute',
mini: 'mini'
};
for( var subName in cssClassSub )
cssClass[ subName ] = params.classPrefix + '-' + cssClassSub[ subName ];
this.each( function()
{
if( $( this ).prop( 'tagName' ).toLowerCase() != 'audio' )
return false;
var $this = $( this ),
audioFile = $this.attr( 'src' ),
isAutoPlay = $this.get( 0 ).getAttribute( 'autoplay' ), isAutoPlay = isAutoPlay === '' || isAutoPlay === 'autoplay' ? true : false,
isLoop = $this.get( 0 ).getAttribute( 'loop' ), isLoop = isLoop === '' || isLoop === 'loop' ? true : false,
isSupport = false;
if( typeof audioFile === 'undefined' )
{
$this.find( 'source' ).each( function()
{
audioFile = $( this ).attr( 'src' );
if( typeof audioFile !== 'undefined' && canPlayType( audioFile ) )
{
isSupport = true;
return false;
}
});
}
else if( canPlayType( audioFile ) ) isSupport = true;
var thePlayer = $( '<div class="' + params.classPrefix + '">' + ( isSupport ? $( '<div>' ).append( $this.eq( 0 ).clone() ).html() : '<embed src="' + audioFile + '" width="0" height="0" volume="100" autostart="' + isAutoPlay.toString() +'" loop="' + isLoop.toString() + '" />' ) + '<div class="' + cssClass.playPause + '" title="' + params.strPlay + '"><a href="#">' + params.strPlay + '</a></div></div>' ),
theAudio = isSupport ? thePlayer.find( 'audio' ) : thePlayer.find( 'embed' ), theAudio = theAudio.get( 0 ),
playPause = thePlayer.find( '.' + cssClass.playPause );
if( isSupport )
{
thePlayer.find( 'audio' ).css( { 'width': 0, 'height': 0, 'visibility': 'hidden' } );
thePlayer.append( '<div class="' + cssClass.time + ' ' + cssClass.timeCurrent + '"></div><div class="' + cssClass.bar + '"><div class="' + cssClass.barLoaded + '"></div><div class="' + cssClass.barPlayed + '"></div></div><div class="' + cssClass.time + ' ' + cssClass.timeDuration + '"></div><div class="' + cssClass.volume + '"><div class="' + cssClass.volumeButton + '" title="' + params.strVolume + '"><a href="#">' + params.strVolume + '</a></div><div class="' + cssClass.volumeAdjust + '"><div><div></div></div></div></div>' );
var theBar = thePlayer.find( '.' + cssClass.bar ),
barPlayed = thePlayer.find( '.' + cssClass.barPlayed ),
barLoaded = thePlayer.find( '.' + cssClass.barLoaded ),
timeCurrent = thePlayer.find( '.' + cssClass.timeCurrent ),
timeDuration = thePlayer.find( '.' + cssClass.timeDuration ),
volumeButton = thePlayer.find( '.' + cssClass.volumeButton ),
volumeAdjuster = thePlayer.find( '.' + cssClass.volumeAdjust + ' > div' ),
volumeDefault = 0,
adjustCurrentTime = function( e )
{
theRealEvent = isTouch ? e.originalEvent.touches[ 0 ] : e;
theAudio.currentTime = Math.round( ( theAudio.duration * ( theRealEvent.pageX - theBar.offset().left ) ) / theBar.width() );
},
adjustVolume = function( e )
{
theRealEvent = isTouch ? e.originalEvent.touches[ 0 ] : e;
theAudio.volume = Math.abs( ( theRealEvent.pageY - ( volumeAdjuster.offset().top + volumeAdjuster.height() ) ) / volumeAdjuster.height() );
},
updateLoadBar = function() {
setTimeout( function() {
barLoaded.width( ( theAudio.buffered.end( 0 ) / theAudio.duration ) * 100 + '%' );
if( theAudio.buffered.end( 0 ) < theAudio.duration )
updateLoadBar( updateLoadBar );
}, 100 );
};
var volumeTestDefault = theAudio.volume, volumeTestValue = theAudio.volume = 0.111;
if( Math.round( theAudio.volume * 1000 ) / 1000 == volumeTestValue ) theAudio.volume = volumeTestDefault;
else thePlayer.addClass( cssClass.noVolume );
timeDuration.html( '…' );
timeCurrent.text( secondsToTime( 0 ) );
theAudio.addEventListener( 'loadedmetadata', function()
{
updateLoadBar();
});
theAudio.addEventListener( 'loadeddata', function()
{
timeDuration.text( secondsToTime( theAudio.duration ) );
volumeAdjuster.find( 'div' ).height( theAudio.volume * 100 + '%' );
volumeDefault = theAudio.volume;
});
theAudio.addEventListener( 'timeupdate', function()
{
timeCurrent.text( secondsToTime( theAudio.currentTime ) );
barPlayed.width( ( theAudio.currentTime / theAudio.duration ) * 100 + '%' );
});
theAudio.addEventListener( 'volumechange', function()
{
volumeAdjuster.find( 'div' ).height( theAudio.volume * 100 + '%' );
if( theAudio.volume > 0 && thePlayer.hasClass( cssClass.mute ) ) thePlayer.removeClass( cssClass.mute );
if( theAudio.volume <= 0 && !thePlayer.hasClass( cssClass.mute ) ) thePlayer.addClass( cssClass.mute );
});
theAudio.addEventListener( 'ended', function()
{
thePlayer.removeClass( cssClass.playing );
});
theBar.on( eStart, function( e )
{
adjustCurrentTime( e );
theBar.on( eMove, function( e ) { adjustCurrentTime( e ); } );
})
.on( eCancel, function()
{
theBar.unbind( eMove );
});
volumeButton.on( 'click', function()
{
if( thePlayer.hasClass( cssClass.mute ) )
{
thePlayer.removeClass( cssClass.mute );
theAudio.volume = volumeDefault;
}
else
{
thePlayer.addClass( cssClass.mute );
volumeDefault = theAudio.volume;
theAudio.volume = 0;
}
return false;
});
volumeAdjuster.on( eStart, function( e )
{
adjustVolume( e );
volumeAdjuster.on( eMove, function( e ) { adjustVolume( e ); } );
})
.on( eCancel, function()
{
volumeAdjuster.unbind( eMove );
});
}
else thePlayer.addClass( cssClass.mini );
if( isAutoPlay ) thePlayer.addClass( cssClass.playing );
theAudio.addEventListener( 'play', function()
{
$( 'audio[data-playing=true]' ).each(function() {
this.pause();
});
$( theAudio ).attr( 'data-playing', 'true' );
playPause.attr( 'title', params.strPause ).find( 'a' ).html( params.strPause );
thePlayer.addClass( cssClass.playing );
});
theAudio.addEventListener( 'pause', function()
{
$( theAudio ).removeAttr( 'data-playing' );
playPause.attr( 'title', params.strPlay ).find( 'a' ).html( params.strPlay );
thePlayer.removeClass( cssClass.playing );
});
thePlayer.find( '.' + cssClass.playPause ).on( 'click', function()
{
theAudio.paused ? theAudio.play() : theAudio.pause();
return false;
});
$this.replaceWith( thePlayer );
});
return this;
};
$( 'audio' ).audioPlayer();
});