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Oldphaloskepsis/plugins/jetpack/modules/shortcodes/audio.php

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2017-01-12 23:10:07 +00:00
<?php
/**
* Class wrapper for audio shortcode
*/
class AudioShortcode {
static $add_script = false;
/**
* Add all the actions & resgister the shortcode
*/
function __construct() {
add_shortcode( 'audio', array( $this, 'audio_shortcode' ) );
add_action( 'wp_enqueue_scripts', array( $this, 'check_infinite' ) );
add_action( 'infinite_scroll_render', array( $this, 'audio_shortcode_infinite' ), 11 );
}
/**
* Return the $url of the audio
*/
static function get_audio_id( $atts ) {
if ( isset( $atts[0] ) )
return $atts[0];
else
return 0;
}
/**
* Shortcode for audio
* [audio http://wpcom.files.wordpress.com/2007/01/mattmullenweg-interview.mp3|width=180|titles=1|artists=2]
*
* The important question here is whether the shortcode applies to widget_text:
* add_filter('widget_text', 'do_shortcode');
* */
function audio_shortcode( $atts ) {
global $ap_playerID;
global $post;
if ( ! is_array( $atts ) ) {
return '<!-- Audio shortcode passed invalid attributes -->';
}
if ( ! isset( $atts[0] ) ) {
if ( isset( $atts['src'] ) ) {
$atts[0] = $atts['src'];
unset( $atts['src'] );
} else {
return '<!-- Audio shortcode source not set -->';
}
}
$post_id = 0;
if ( isset( $post ) ) {
$post_id = $post->ID;
}
// add the special .js
wp_enqueue_script(
'audio-shortcode',
plugins_url( 'js/audio-shortcode.js', __FILE__ ),
array( 'jquery' ),
'1.1',
true);
// alert the infinite scroll renderer that it should try to load the script
self::$add_script = true;
$atts[0] = strip_tags( join( ' ', $atts ) );
$src = ltrim( $atts[0], '=' );
/**
* Set the audio player default colors.
*
* @module shortcodes
*
* @since 1.4.0
*
* @param array $ap_options {
* The default colors for the audio player in hexidecimal format (e.g. 0x#F8F8F8).
*
* @type string $bg Background color.
* @type string $leftbg Left background color.
* @type string $lefticon Left icon color.
* @type string $rightbg Right background color.
* @type string $rightbghover Right background hover color.
* @type string $righticon Right icon color.
* @type string $righticonhover Right icon hover color.
* @type string $text Text color.
* @type string $slider Slider color.
* @type string $track Track color.
* @type string $border Border color.
* @type string $loader Loader color.
*/
$ap_options = apply_filters(
'audio_player_default_colors',
array(
"bg" => "0xF8F8F8",
"leftbg" => "0xEEEEEE",
"lefticon" => "0x666666",
"rightbg" => "0xCCCCCC",
"rightbghover" => "0x999999",
"righticon" => "0x666666",
"righticonhover" => "0xFFFFFF",
"text" => "0x666666",
"slider" => "0x666666",
"track" => "0xFFFFFF",
"border" => "0x666666",
"loader" => "0x9FFFB8"
) );
if ( ! isset( $ap_playerID ) ) {
$ap_playerID = 1;
} else {
$ap_playerID++;
}
if ( ! isset( $load_audio_script ) ) {
$load_audio_script = true;
}
// prep the audio files
$src = trim( $src, ' "' );
$options = array();
$data = preg_split( "/\|/", $src );
$sound_file = $data[0];
$sound_files = explode( ',', $sound_file );
if ( is_ssl() ) {
for ( $i = 0; $i < count( $sound_files ); $i++ ) {
$sound_files[ $i ] = preg_replace( '#^http://([^.]+).files.wordpress.com/#', 'https://$1.files.wordpress.com/', $sound_files[ $i ] );
}
}
$sound_files = array_map( 'trim', $sound_files );
$sound_files = array_map( array( $this, 'rawurlencode_spaces' ), $sound_files );
$sound_files = array_map( 'esc_url_raw', $sound_files ); // Ensure each is a valid URL
$num_files = count( $sound_files );
$sound_types = array(
'mp3' => 'mpeg',
'wav' => 'wav',
'ogg' => 'ogg',
'oga' => 'ogg',
'm4a' => 'mp4',
'aac' => 'mp4',
'webm' => 'webm'
);
for ( $i = 1; $i < count( $data ); $i++ ) {
$pair = explode( "=", $data[$i] );
if ( strtolower( $pair[0] ) != 'autostart' ) {
$options[$pair[0]] = $pair[1];
}
}
// Merge runtime options to default colour options
// (runtime options overwrite default options)
foreach ( $ap_options as $key => $default ) {
if ( isset( $options[$key] ) ) {
if ( preg_match( '/^(0x)?[a-f0-9]{6}$/i', $default ) && !preg_match( '/^(0x)?[a-f0-9]{6}$/i', $options[$key] ) ) {
// Default is a hex color, but input is not
$options[$key] = $default;
}
} else {
$options[$key] = $default;
}
}
$options['soundFile'] = join( ',', $sound_files ); // Rebuild the option with our now sanitized data
$flash_vars = array();
foreach ( $options as $key => $value ) {
$flash_vars[] = rawurlencode( $key ) . '=' . rawurlencode( $value );
}
$flash_vars = implode( '&amp;', $flash_vars );
$flash_vars = esc_attr( $flash_vars );
// extract some of the options to insert into the markup
if ( isset( $options['bgcolor'] ) && preg_match( '/^(0x)?[a-f0-9]{6}$/i', $options['bgcolor'] ) ) {
$bgcolor = preg_replace( '/^(0x)?/', '#', $options['bgcolor'] );
$bgcolor = esc_attr( $bgcolor );
} else {
$bgcolor = '#FFFFFF';
}
if ( isset( $options['width'] ) ) {
$width = intval( $options['width'] );
} else {
$width = 290;
}
$loop = '';
$script_loop = 'false';
if ( isset( $options['loop'] ) && 'yes' == $options['loop'] ) {
$script_loop = 'true';
if ( 1 == $num_files ) {
$loop = 'loop';
}
}
$volume = 0.6;
if ( isset( $options['initialvolume'] ) &&
0.0 < floatval( $options['initialvolume'] ) &&
100.0 >= floatval( $options['initialvolume'] ) ) {
$volume = floatval( $options['initialvolume'] )/100.0;
}
$file_artists = array_pad( array(), $num_files, '' );
if ( isset( $options['artists'] ) ) {
$artists = preg_split( '/,/', $options['artists'] );
foreach ( $artists as $i => $artist ) {
$file_artists[$i] = esc_html( $artist ) . ' - ';
}
}
// generate default titles
$file_titles = array();
for ( $i = 0; $i < $num_files; $i++ ) {
$file_titles[] = 'Track #' . ($i+1);
}
// replace with real titles if they exist
if ( isset( $options['titles'] ) ) {
$titles = preg_split( '/,/', $options['titles'] );
foreach ( $titles as $i => $title ) {
$file_titles[$i] = esc_html( $title );
}
}
// fallback for the fallback, just a download link
$not_supported = '';
foreach ( $sound_files as $sfile ) {
$not_supported .= sprintf(
__( 'Download: <a href="%s">%s</a><br />', 'jetpack' ),
esc_url( $sfile ),
esc_html( basename( $sfile ) ) );
}
// HTML5 audio tag
$html5_audio = '';
$all_mp3 = true;
$add_audio = true;
$num_good = 0;
$to_remove = array();
foreach ( $sound_files as $i => $sfile ) {
$file_extension = pathinfo( $sfile, PATHINFO_EXTENSION );
if ( ! preg_match( '/^(mp3|wav|ogg|oga|m4a|aac|webm)$/i', $file_extension ) ) {
$html5_audio .= '<!-- Audio shortcode unsupported audio format -->';
if ( 1 == $num_files ) {
$html5_audio .= $not_supported;
}
$to_remove[] = $i; // make a note of the bad files
$all_mp3 = false;
continue;
} elseif ( ! preg_match( '/^mp3$/i', $file_extension ) ) {
$all_mp3 = false;
}
if ( 0 == $i ) { // only need one player
$html5_audio .= <<<AUDIO
<span id="wp-as-{$post_id}_{$ap_playerID}-container">
<audio id='wp-as-{$post_id}_{$ap_playerID}' controls preload='none' $loop style='background-color:$bgcolor;width:{$width}px;'>
<span id="wp-as-{$post_id}_{$ap_playerID}-nope">$not_supported</span>
</audio>
</span>
<br />
AUDIO;
}
$num_good++;
}
// player controls, if needed
if ( 1 < $num_files ) {
$html5_audio .= <<<CONTROLS
<span id='wp-as-{$post_id}_{$ap_playerID}-controls' style='display:none;'>
<a id='wp-as-{$post_id}_{$ap_playerID}-prev'
href='javascript:audioshortcode.prev_track( "{$post_id}_{$ap_playerID}" );'
style='font-size:1.5em;'>&laquo;</a>
|
<a id='wp-as-{$post_id}_{$ap_playerID}-next'
href='javascript:audioshortcode.next_track( "{$post_id}_{$ap_playerID}", true, $script_loop );'
style='font-size:1.5em;'>&raquo;</a>
</span>
CONTROLS;
}
$html5_audio .= "<span id='wp-as-{$post_id}_{$ap_playerID}-playing'></span>";
/**
* Sets external resource URL.
*
* @module shortcodes
*
* @since 1.4.0
*
* @param string $args URL of external resource.
*
*/
$swfurl = apply_filters(
'jetpack_static_url',
set_url_scheme( "http://en.wordpress.com/wp-content/plugins/audio-player/player.swf" )
);
// all the fancy javascript is causing Google Reader to break, just include flash in GReader
// override html5 audio code w/ just not supported code
if ( is_feed() ) {
$html5_audio = $not_supported;
}
if ( $all_mp3 ) {
// process regular flash player, inserting HTML5 tags into object as fallback
$audio_tags = <<<FLASH
<object id='wp-as-{$post_id}_{$ap_playerID}-flash' type='application/x-shockwave-flash' data='$swfurl' width='$width' height='24'>
<param name='movie' value='$swfurl' />
<param name='FlashVars' value='{$flash_vars}' />
<param name='quality' value='high' />
<param name='menu' value='false' />
<param name='bgcolor' value='$bgcolor' />
<param name='wmode' value='opaque' />
$html5_audio
</object>
FLASH;
} else { // just HTML5 for non-mp3 versions
$audio_tags = $html5_audio;
}
// strip out all the bad files before it reaches .js
foreach ( $to_remove as $i ) {
array_splice( $sound_files, $i, 1 );
array_splice( $file_artists, $i, 1 );
array_splice( $file_titles, $i, 1 );
}
// mashup the artist/titles for the script
$script_titles = array();
for ( $i = 0; $i < $num_files; $i++ ) {
if ( isset( $file_artists[ $i ] ) && isset( $file_titles[ $i ] ) ) {
$script_titles[] = $file_artists[ $i ] . $file_titles[ $i ];
}
}
// javacript to control audio
$script_files = json_encode( $sound_files );
$script_titles = json_encode( $script_titles );
$script = <<<SCRIPT
<script type='text/javascript'>
//<![CDATA[
(function() {
var prep = function() {
if ( 'undefined' === typeof window.audioshortcode ) { return; }
audioshortcode.prep(
'{$post_id}_{$ap_playerID}',
$script_files,
$script_titles,
$volume,
$script_loop
);
};
if ( 'undefined' === typeof jQuery ) {
if ( document.addEventListener ) {
window.addEventListener( 'load', prep, false );
} else if ( document.attachEvent ) {
window.attachEvent( 'onload', prep );
}
} else {
jQuery(document).on( 'ready as-script-load', prep );
}
})();
//]]>
</script>
SCRIPT;
// add the special javascript, if needed
if ( 0 < $num_good && ! is_feed() ) {
$audio_tags .= $script;
}
return "<span style='text-align:left;display:block;'><p>$audio_tags</p></span>";
}
/**
* If the theme uses infinite scroll, include jquery at the start
*/
function check_infinite() {
if ( current_theme_supports( 'infinite-scroll' ) && class_exists( 'The_Neverending_Home_Page' ) && The_Neverending_Home_Page::archive_supports_infinity() )
wp_enqueue_script( 'jquery' );
}
/**
* Dynamically load the .js, if needed
*
* This hooks in late (priority 11) to infinite_scroll_render to determine
* a posteriori if a shortcode has been called.
*/
function audio_shortcode_infinite() {
// only try to load if a shortcode has been called
if( self::$add_script ) {
$script_url = json_encode( esc_url_raw( plugins_url( 'js/audio-shortcode.js', __FILE__ ) ) );
// if the script hasn't been loaded, load it
// if the script loads successfully, fire an 'as-script-load' event
echo <<<SCRIPT
<script type='text/javascript'>
//<![CDATA[
if ( typeof window.audioshortcode === 'undefined' ) {
var wp_as_js = document.createElement( 'script' );
wp_as_js.type = 'text/javascript';
wp_as_js.src = $script_url;
wp_as_js.async = true;
wp_as_js.onload = function() {
jQuery( document.body ).trigger( 'as-script-load' );
};
document.getElementsByTagName( 'head' )[0].appendChild( wp_as_js );
} else {
jQuery( document.body ).trigger( 'as-script-load' );
}
//]]>
</script>
SCRIPT;
}
}
/**
* Fixes URLs that have been pasted with spaces:
* [audio http://example.com/Some Cool Music.mp3]
*
* @param string $url
* @return string
*/
function rawurlencode_spaces( $url ) {
return str_replace( ' ', rawurlencode( ' ' ), $url );
}
}
// kick it all off
new AudioShortcode();