| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Class wrapper for audio shortcode |
| 5 |
*/ |
| 6 |
class AudioShortcode { |
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|
| 8 |
static $add_script = false; |
| 9 |
|
| 10 |
/** |
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* Add all the actions & resgister the shortcode |
| 12 |
*/ |
| 13 |
function __construct() { |
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add_shortcode( 'audio', array( $this, 'audio_shortcode' ) ); |
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add_action( 'wp_enqueue_scripts', array( $this, 'check_infinite' ) ); |
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add_action( 'infinite_scroll_render', array( $this, 'audio_shortcode_infinite' ), 11 ); |
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} |
| 18 |
|
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/** |
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* Return the $url of the audio |
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*/ |
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static function get_audio_id( $atts ) { |
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if ( isset( $atts[0] ) ) |
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return $atts[0]; |
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else |
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return 0; |
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} |
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|
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/** |
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* Shortcode for audio |
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* [audio http://wpcom.files.wordpress.com/2007/01/mattmullenweg-interview.mp3|width=180|titles=1|artists=2] |
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* |
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* The important question here is whether the shortcode applies to widget_text: |
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* add_filter('widget_text', 'do_shortcode'); |
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* */ |
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function audio_shortcode( $atts ) { |
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global $ap_playerID; |
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global $post; |
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if ( ! is_array( $atts ) ) { |
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return '<!-- Audio shortcode passed invalid attributes -->'; |
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} |
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|
| 43 |
if ( ! isset( $atts[0] ) ) { |
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if ( isset( $atts['src'] ) ) { |
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$atts[0] = $atts['src']; |
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unset( $atts['src'] ); |
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} else { |
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return '<!-- Audio shortcode source not set -->'; |
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} |
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} |
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|
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// add the special .js |
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wp_enqueue_script( |
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'audio-shortcode', |
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plugins_url( 'js/audio-shortcode.js', __FILE__ ), |
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array( 'jquery' ), |
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'1.1', |
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true); |
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|
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// alert the infinite scroll renderer that it should try to load the script |
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self::$add_script = true; |
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$atts[0] = strip_tags( join( ' ', $atts ) ); |
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$src = ltrim( $atts[0], '=' ); |
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$ap_options = apply_filters( |
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'audio_player_default_colors', |
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array( |
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"bg" => "0xF8F8F8", |
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"leftbg" => "0xEEEEEE", |
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"lefticon" => "0x666666", |
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"rightbg" => "0xCCCCCC", |
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"rightbghover" => "0x999999", |
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"righticon" => "0x666666", |
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"righticonhover" => "0xFFFFFF", |
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"text" => "0x666666", |
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"slider" => "0x666666", |
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"track" => "0xFFFFFF", |
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"border" => "0x666666", |
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"loader" => "0x9FFFB8" |
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) ); |
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|
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if ( ! isset( $ap_playerID ) ) { |
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$ap_playerID = 1; |
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} else { |
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$ap_playerID++; |
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} |
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|
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if ( ! isset( $load_audio_script ) ) { |
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$load_audio_script = true; |
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} |
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|
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// prep the audio files |
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$src = trim( $src, ' "' ); |
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$options = array(); |
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$data = preg_split( "/\|/", $src ); |
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$sound_file = $data[0]; |
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$sound_files = explode( ',', $sound_file ); |
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|
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if ( is_ssl() ) { |
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for ( $i = 0; $i < count( $sound_files ); $i++ ) { |
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$sound_files[ $i ] = preg_replace( '#^http://([^.]+).files.wordpress.com/#', 'https://$1.files.wordpress.com/', $sound_files[ $i ] ); |
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} |
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} |
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|
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$sound_files = array_map( 'trim', $sound_files ); |
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$sound_files = array_map( array( $this, 'rawurlencode_spaces' ), $sound_files ); |
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$sound_files = array_map( 'esc_url_raw', $sound_files ); // Ensure each is a valid URL |
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$num_files = count( $sound_files ); |
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$sound_types = array( |
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'mp3' => 'mpeg', |
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'wav' => 'wav', |
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'ogg' => 'ogg', |
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'oga' => 'ogg', |
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'm4a' => 'mp4', |
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'aac' => 'mp4', |
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'webm' => 'webm' |
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); |
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|
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for ( $i = 1; $i < count( $data ); $i++ ) { |
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$pair = explode( "=", $data[$i] ); |
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if ( strtolower( $pair[0] ) != 'autostart' ) { |
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$options[$pair[0]] = $pair[1]; |
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} |
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} |
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|
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// Merge runtime options to default colour options |
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// (runtime options overwrite default options) |
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foreach ( $ap_options as $key => $default ) { |
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if ( isset( $options[$key] ) ) { |
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if ( preg_match( '/^(0x)?[a-f0-9]{6}$/i', $default ) && !preg_match( '/^(0x)?[a-f0-9]{6}$/i', $options[$key] ) ) { |
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// Default is a hex color, but input is not |
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$options[$key] = $default; |
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} |
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} else { |
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$options[$key] = $default; |
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} |
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} |
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$options['soundFile'] = join( ',', $sound_files ); // Rebuild the option with our now sanitized data |
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$flash_vars = array(); |
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foreach ( $options as $key => $value ) { |
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$flash_vars[] = rawurlencode( $key ) . '=' . rawurlencode( $value ); |
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} |
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$flash_vars = implode( '&', $flash_vars ); |
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$flash_vars = esc_attr( $flash_vars ); |
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|
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// extract some of the options to insert into the markup |
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if ( isset( $options['bgcolor'] ) && preg_match( '/^(0x)?[a-f0-9]{6}$/i', $options['bgcolor'] ) ) { |
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$bgcolor = preg_replace( '/^(0x)?/', '#', $options['bgcolor'] ); |
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$bgcolor = esc_attr( $bgcolor ); |
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} else { |
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$bgcolor = '#FFFFFF'; |
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} |
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|
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if ( isset( $options['width'] ) ) { |
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$width = intval( $options['width'] ); |
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} else { |
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$width = 290; |
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} |
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|
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$loop = ''; |
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$script_loop = 'false'; |
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if ( isset( $options['loop'] ) && 'yes' == $options['loop'] ) { |
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$script_loop = 'true'; |
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if ( 1 == $num_files ) { |
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$loop = 'loop'; |
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} |
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} |
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|
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$volume = 0.6; |
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if ( isset( $options['initialvolume'] ) && |
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0.0 < floatval( $options['initialvolume'] ) && |
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100.0 >= floatval( $options['initialvolume'] ) ) { |
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|
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$volume = floatval( $options['initialvolume'] )/100.0; |
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} |
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|
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$file_artists = array_pad( array(), $num_files, '' ); |
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if ( isset( $options['artists'] ) ) { |
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$artists = preg_split( '/,/', $options['artists'] ); |
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foreach ( $artists as $i => $artist ) { |
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$file_artists[$i] = esc_html( $artist ) . ' - '; |
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} |
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} |
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|
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// generate default titles |
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$file_titles = array(); |
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for ( $i = 0; $i < $num_files; $i++ ) { |
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$file_titles[] = 'Track #' . ($i+1); |
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} |
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|
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// replace with real titles if they exist |
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if ( isset( $options['titles'] ) ) { |
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$titles = preg_split( '/,/', $options['titles'] ); |
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foreach ( $titles as $i => $title ) { |
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$file_titles[$i] = esc_html( $title ); |
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} |
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} |
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|
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// fallback for the fallback, just a download link |
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$not_supported = ''; |
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foreach ( $sound_files as $sfile ) { |
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$not_supported .= sprintf( |
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__( 'Download: <a href="%s">%s</a><br />', 'jetpack' ), |
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esc_url( $sfile ), |
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esc_html( basename( $sfile ) ) ); |
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} |
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|
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// HTML5 audio tag |
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$html5_audio = ''; |
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$all_mp3 = true; |
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$add_audio = true; |
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$num_good = 0; |
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$to_remove = array(); |
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foreach ( $sound_files as $i => $sfile ) { |
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$file_extension = pathinfo( $sfile, PATHINFO_EXTENSION ); |
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if ( ! preg_match( '/^(mp3|wav|ogg|oga|m4a|aac|webm)$/i', $file_extension ) ) { |
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$html5_audio .= '<!-- Audio shortcode unsupported audio format -->'; |
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if ( 1 == $num_files ) { |
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$html5_audio .= $not_supported; |
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} |
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|
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$to_remove[] = $i; // make a note of the bad files |
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$all_mp3 = false; |
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continue; |
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} elseif ( ! preg_match( '/^mp3$/i', $file_extension ) ) { |
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$all_mp3 = false; |
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} |
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|
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if ( 0 == $i ) { // only need one player |
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$html5_audio .= <<<AUDIO |
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<span id="wp-as-{$post->ID}_{$ap_playerID}-container"> |
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<audio id='wp-as-{$post->ID}_{$ap_playerID}' controls preload='none' $loop style='background-color:$bgcolor;width:{$width}px;'> |
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<span id="wp-as-{$post->ID}_{$ap_playerID}-nope">$not_supported</span> |
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</audio> |
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</span> |
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<br /> |
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AUDIO; |
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} |
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$num_good++; |
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} |
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|
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// player controls, if needed |
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if ( 1 < $num_files ) { |
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$html5_audio .= <<<CONTROLS |
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<span id='wp-as-{$post->ID}_{$ap_playerID}-controls' style='display:none;'> |
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<a id='wp-as-{$post->ID}_{$ap_playerID}-prev' |
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href='javascript:audioshortcode.prev_track( "{$post->ID}_{$ap_playerID}" );' |
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style='font-size:1.5em;'>«</a> |
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| |
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<a id='wp-as-{$post->ID}_{$ap_playerID}-next' |
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href='javascript:audioshortcode.next_track( "{$post->ID}_{$ap_playerID}", true, $script_loop );' |
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style='font-size:1.5em;'>»</a> |
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</span> |
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CONTROLS; |
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} |
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$html5_audio .= "<span id='wp-as-{$post->ID}_{$ap_playerID}-playing'></span>"; |
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|
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$swfurl = apply_filters( |
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'jetpack_static_url', |
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set_url_scheme( "http://en.wordpress.com/wp-content/plugins/audio-player/player.swf" ) |
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); |
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|
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// all the fancy javascript is causing Google Reader to break, just include flash in GReader |
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// override html5 audio code w/ just not supported code |
| 264 |
if ( is_feed() ) { |
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$html5_audio = $not_supported; |
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} |
| 267 |
|
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if ( $all_mp3 ) { |
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// process regular flash player, inserting HTML5 tags into object as fallback |
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$audio_tags = <<<FLASH |
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<object id='wp-as-{$post->ID}_{$ap_playerID}-flash' type='application/x-shockwave-flash' data='$swfurl' width='$width' height='24'> |
| 272 |
<param name='movie' value='$swfurl' /> |
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<param name='FlashVars' value='{$flash_vars}' /> |
| 274 |
<param name='quality' value='high' /> |
| 275 |
<param name='menu' value='false' /> |
| 276 |
<param name='bgcolor' value='$bgcolor' /> |
| 277 |
<param name='wmode' value='opaque' /> |
| 278 |
$html5_audio |
| 279 |
</object> |
| 280 |
FLASH; |
| 281 |
} else { // just HTML5 for non-mp3 versions |
| 282 |
$audio_tags = $html5_audio; |
| 283 |
} |
| 284 |
|
| 285 |
// strip out all the bad files before it reaches .js |
| 286 |
foreach ( $to_remove as $i ) { |
| 287 |
array_splice( $sound_files, $i, 1 ); |
| 288 |
array_splice( $file_artists, $i, 1 ); |
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array_splice( $file_titles, $i, 1 ); |
| 290 |
} |
| 291 |
|
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// mashup the artist/titles for the script |
| 293 |
$script_titles = array(); |
| 294 |
for ( $i = 0; $i < $num_files; $i++ ) { |
| 295 |
$script_titles[] = $file_artists[$i] . $file_titles[$i]; |
| 296 |
|
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} |
| 298 |
|
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// javacript to control audio |
| 300 |
$script_files = json_encode( $sound_files ); |
| 301 |
$script_titles = json_encode( $script_titles ); |
| 302 |
$script = <<<SCRIPT |
| 303 |
<script type='text/javascript'> |
| 304 |
//<![CDATA[ |
| 305 |
(function() { |
| 306 |
var prep = function() { |
| 307 |
if ( 'undefined' === typeof window.audioshortcode ) { return; } |
| 308 |
audioshortcode.prep( |
| 309 |
'{$post->ID}_{$ap_playerID}', |
| 310 |
$script_files, |
| 311 |
$script_titles, |
| 312 |
$volume, |
| 313 |
$script_loop |
| 314 |
); |
| 315 |
}; |
| 316 |
if ( 'undefined' === typeof jQuery ) { |
| 317 |
if ( document.addEventListener ) { |
| 318 |
window.addEventListener( 'load', prep, false ); |
| 319 |
} else if ( document.attachEvent ) { |
| 320 |
window.attachEvent( 'onload', prep ); |
| 321 |
} |
| 322 |
} else { |
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jQuery(document).on( 'ready as-script-load', prep ); |
| 324 |
} |
| 325 |
})(); |
| 326 |
//]]> |
| 327 |
</script> |
| 328 |
SCRIPT; |
| 329 |
|
| 330 |
// add the special javascript, if needed |
| 331 |
if ( 0 < $num_good && ! is_feed() ) { |
| 332 |
$audio_tags .= $script; |
| 333 |
} |
| 334 |
|
| 335 |
return "<span style='text-align:left;display:block;'><p>$audio_tags</p></span>"; |
| 336 |
} |
| 337 |
|
| 338 |
/** |
| 339 |
* If the theme uses infinite scroll, include jquery at the start |
| 340 |
*/ |
| 341 |
function check_infinite() { |
| 342 |
if ( current_theme_supports( 'infinite-scroll' ) && class_exists( 'The_Neverending_Home_Page' ) && The_Neverending_Home_Page::archive_supports_infinity() ) |
| 343 |
wp_enqueue_script( 'jquery' ); |
| 344 |
} |
| 345 |
|
| 346 |
|
| 347 |
/** |
| 348 |
* Dynamically load the .js, if needed |
| 349 |
* |
| 350 |
* This hooks in late (priority 11) to infinite_scroll_render to determine |
| 351 |
* a posteriori if a shortcode has been called. |
| 352 |
*/ |
| 353 |
function audio_shortcode_infinite() { |
| 354 |
// only try to load if a shortcode has been called |
| 355 |
if( self::$add_script ) { |
| 356 |
$script_url = json_encode( esc_url_raw( plugins_url( 'js/audio-shortcode.js', __FILE__ ) ) ); |
| 357 |
|
| 358 |
// if the script hasn't been loaded, load it |
| 359 |
// if the script loads successfully, fire an 'as-script-load' event |
| 360 |
echo <<<SCRIPT |
| 361 |
<script type='text/javascript'> |
| 362 |
//<![CDATA[ |
| 363 |
if ( typeof window.audioshortcode === 'undefined' ) { |
| 364 |
var wp_as_js = document.createElement( 'script' ); |
| 365 |
wp_as_js.type = 'text/javascript'; |
| 366 |
wp_as_js.src = $script_url; |
| 367 |
wp_as_js.async = true; |
| 368 |
wp_as_js.onload = function() { |
| 369 |
jQuery( document.body ).trigger( 'as-script-load' ); |
| 370 |
}; |
| 371 |
document.getElementsByTagName( 'head' )[0].appendChild( wp_as_js ); |
| 372 |
} else { |
| 373 |
jQuery( document.body ).trigger( 'as-script-load' ); |
| 374 |
} |
| 375 |
//]]> |
| 376 |
</script> |
| 377 |
SCRIPT; |
| 378 |
} |
| 379 |
} |
| 380 |
|
| 381 |
/** |
| 382 |
* Fixes URLs that have been pasted with spaces: |
| 383 |
* [audio http://example.com/Some Cool Music.mp3] |
| 384 |
* |
| 385 |
* @param string $url |
| 386 |
* @return string |
| 387 |
*/ |
| 388 |
function rawurlencode_spaces( $url ) { |
| 389 |
return str_replace( ' ', rawurlencode( ' ' ), $url ); |
| 390 |
} |
| 391 |
} |
| 392 |
|
| 393 |
// kick it all off |
| 394 |
new AudioShortcode(); |
| 395 |
|
