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(function($) {
window.audioshortcode = {
/**
* Prep the audio player once the page is ready, add listeners, etc
*/
prep: function( player_id, files, titles, volume, loop ) {
// check if the player has already been prepped, no-op if it has
var container = $( '#wp-as-' + player_id + '-container' );
if ( container.hasClass( 'wp-as-prepped' ) ) {
return;
}
container.addClass( 'wp-as-prepped' );
// browser doesn't support HTML5 audio, no-op
if ( ! document.createElement('audio').canPlayType ) {
return;
}
// if the browser removed the script, no-op
player = $( '#wp-as-' + player_id ).get(0);
if ( typeof player === 'undefined' ) {
return;
}
this[player_id] = [];
this[player_id].i = 0;
this[player_id].files = files;
this[player_id].titles = titles;
player.volume = volume;
var type_map = {
'mp3': 'mpeg',
'wav': 'wav',
'ogg': 'ogg',
'oga': 'ogg',
'm4a': 'mp4',
'aac': 'mp4',
'webm': 'webm'
};
// strip out all the files that can't be played
for ( var i = this[player_id].files.length-1; i >= 0; i-- ) {
var extension = this[player_id].files[i].split( '.' ).pop();
var type = 'audio/' + type_map[extension];
if ( ! player.canPlayType( type ) ) {
this.remove_track( player_id, i );
}
}
// bail if there are no more good files
if ( 0 === this[player_id].files.length ) {
return;
}
player.src = this[player_id].files[0];
// show the controls if there are still 2+ files remaining
if ( 1 < this[player_id].files.length ) {
$( '#wp-as-' + player_id + '-controls' ).show();
}
player.addEventListener( 'error', function() {
audioshortcode.remove_track( player_id, audioshortcode[player_id].i );
if ( 0 < audioshortcode[player_id].files.length ) {
audioshortcode[player_id].i--;
audioshortcode.next_track( player_id, false, loop );
}
}, false );
player.addEventListener( 'ended', function() {
audioshortcode.next_track( player_id, false, loop );
}, false );
player.addEventListener( 'play', function() {
var i = audioshortcode[player_id].i;
var titles = audioshortcode[player_id].titles;
$( '#wp-as-' + player_id + '-playing' ).text( ' ' + titles[i] );
}, false );
player.addEventListener( 'pause', function() {
$( '#wp-as-' + player_id + '-playing' ).text( '' );
}, false );
},
/**
* Remove the track and update the player/controls if needed
*/
remove_track: function( player_id, index ) {
this[player_id].files.splice( index, 1 );
this[player_id].titles.splice( index, 1 );
// get rid of player/controls if they can't be played
if ( 0 === this[player_id].files.length ) {
$( '#wp-as-' + player_id + '-container' ).html( $( '#wp-as-' + player_id + '-nope' ).html() );
$( '#wp-as-' + player_id + '-controls' ).html( '' );
} else if ( 1 == this[player_id].files.length ) {
$( '#wp-as-' + player_id + '-controls' ).html( '' );
}
},
/**
* Change the src of the player, load the file, then play it
*/
start_track: function( player_id, file ) {
var player = $( '#wp-as-' + player_id ).get(0);
player.src = file;
player.load();
player.play();
},
/**
* Play the previous track
*/
prev_track: function( player_id ) {
var player = $( '#wp-as-' + player_id ).get(0);
var files = this[player_id].files;
if ( player.paused || 0 === this[player_id].i ) {
return;
}
player.pause();
if ( 0 < this[player_id].i ) {
this[player_id].i--;
this.start_track( player_id, files[this[player_id].i] );
}
},
/**
* Play the next track
*/
next_track: function( player_id, fromClick, loop ) {
var player = $( '#wp-as-' + player_id ).get(0);
var files = this[player_id].files;
if ( fromClick && ( player.paused || files.length-1 == this[player_id].i ) ) {
return;
}
player.pause();
if ( files.length-1 > this[player_id].i ) {
this[player_id].i++;
this.start_track( player_id, files[this[player_id].i] );
} else if ( loop ) {
this[player_id].i = 0;
this.start_track( player_id, 0 );
} else {
this[player_id].i = 0;
player.src = files[0];
$( '#wp-as-' + player_id + '-playing' ).text( '' );
}
}
};
})(jQuery);
|
GitWeb