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wistia-video.php
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wistia-video.php
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<?php
class MH_Wistia_Video {
public $atts;
public $video_output;
public function __construct( $atts ) {
$default_atts = array (
'id' => null,
'embed_type' => 'inline',
'responsive' => true,
'animatethumbnail' => true,
'player' => 'js',
'thumbnail_width' => '',
'thumbnail_height' => '',
'echo' => true,
);
$this->atts = wp_parse_args( $atts, $default_atts );
if( $this->atts['id'] ){
self::add_scripts();
self::output_video();
}
}
public function add_scripts() {
if( ! self::maybe_add_ev1_scripts() ){
add_action( 'wp_footer', array( $this, 'get_ev1_script' ), 1 );
add_action( 'script_loader_tag', array( $this, 'async_script' ), 10, 2 );
}
if( ! self::maybe_add_media_scripts() ){
add_action( 'wp_footer', array( $this, 'get_media_script' ), 0 );
add_action( 'script_loader_tag', array( $this, 'async_script' ), 10, 2 );
}
}
public function maybe_add_ev1_scripts() {
return ( wp_script_is( 'wistia_ev1', 'enqueued' ) );
}
public function maybe_add_media_scripts() {
return ( wp_script_is( 'wistia_media_'.$this->atts['id'], 'enqueued' ) );
}
public function get_ev1_script() {
wp_enqueue_script( 'wistia_ev1', 'https://fast.wistia.com/assets/external/E-v1.js', null, null );
}
public function get_media_script() {
wp_enqueue_script( 'wistia_media_'.$this->atts['id'] , 'https://fast.wistia.com/embed/medias/'.$this->atts['id'].'.jsonp', null, null );
}
public function async_script( $tag, $handle ) {
if ( 'wistia_ev1' !== $handle && 'wistia_media_'.$this->atts['id'] !== $handle ){
return $tag;
}
if( preg_match( '/async/', $tag ) ){
return $tag;
}
if ( 'wistia_ev1' === $handle ){
return str_replace( 'src', 'charset="ISO-8859-1" async src', $tag );
}else{
return str_replace( 'src', 'async src', $tag );
}
}
public function output_video() {
if( $this->atts['player'] === 'iframe' && $this->atts['embed_type'] !== 'popover' ){
$this->video_output = self::build_video_iframe();
}else{
$this->video_output = self::build_video_default();
}
if( $this->atts['echo'] === true ){
echo $this->video_output;
}else{
self::output_video_to_string();
}
}
public function output_video_to_string() {
return (string) $this->video_output;
}
public function maybe_build_video_responsive_wrapper($video) {
if( $this->atts['responsive'] !== true ){
return $video;
}
$responsive_video = '<div class="wistia_responsive_padding" style="padding:56.25% 0 0 0;position:relative;"><div class="wistia_responsive_wrapper" style="height:100%;left:0;position:absolute;top:0;width:100%;">';
$responsive_video .= $video;
$responsive_video .= '</div></div>';
return $responsive_video;
}
public function build_video_default() {
$videofoam = ( $this->atts['responsive'] && $this->atts['responsive'] == true ) ? ' videoFoam=true' : '';
$popover = ( $this->atts['embed_type'] && $this->atts['embed_type'] == 'popover' ) ? ' popover=true' : '';
$animatethumbnail = ( $this->atts['animatethumbnail'] && $this->atts['animatethumbnail'] == true ) ? ' popoverAnimateThumbnail=true' : '';
$thumbnail_width = ( intval( $this->atts['thumbnail_width'] ) > 1 ) ? $this->atts['thumbnail_width'] : false;
$thumbnail_height = ( intval( $this->atts['thumbnail_height'] ) > 1 ) ? $this->atts['thumbnail_height'] : false;
$video_options = $popover . $animatethumbnail . $videofoam;
if( $this->atts['responsive'] !== true && $thumbnail_width && $thumbnail_height ){
$video_html = '<span class="wistia_embed wistia_async_'. esc_attr( $this->atts['id'] ) . esc_attr( $video_options ).'" style="display:inline-block;height:'.intval( $thumbnail_height ).'px;width:'.intval( $thumbnail_width ).'px"> </span>';
}else{
$video_html = '<span class="wistia_embed wistia_async_'. esc_attr( $this->atts['id'] ) . esc_attr( $video_options ).'" style="height:100%;width:100%;display:inline-block;"> </span>';
}
return self::maybe_build_video_responsive_wrapper( $video_html );
}
public function build_video_iframe() {
$thumbnail_width = ( intval( $this->atts['thumbnail_width'] ) > 1 ) ? $this->atts['thumbnail_width'] : false;
$thumbnail_height = ( intval( $this->atts['thumbnail_height'] ) > 1 ) ? $this->atts['thumbnail_height'] : false;
if( $this->atts['responsive'] !== true && $thumbnail_width && $thumbnail_height ){
$video_html = '<iframe src="//fast.wistia.net/embed/iframe/'. esc_attr( $this->atts['id'] ).'" allowtransparency="true" frameborder="0" scrolling="no" class="wistia_embed" name="wistia_embed" allowfullscreen mozallowfullscreen webkitallowfullscreen oallowfullscreen msallowfullscreen width="'.intval( $thumbnail_width ).'" height="'.intval( $thumbnail_height ).'"></iframe>';
}else{
$video_html = '<iframe src="//fast.wistia.net/embed/iframe/'. esc_attr( $this->atts['id'] ).'?videoFoam=true" allowtransparency="true" frameborder="0" scrolling="no" class="wistia_embed" name="wistia_embed" allowfullscreen mozallowfullscreen webkitallowfullscreen oallowfullscreen msallowfullscreen width="100%" height="100%"></iframe>';
}
return self::maybe_build_video_responsive_wrapper( $video_html );
}
} // End Class