0.3
add_filter( 'instant_articles_transformed_element', array( $this, 'set_instant_article' ), 10, 1 );
add_action( 'instant_articles_after_transform_post', array( $this, 'insert_ads' ), 10, 1 );
}
/**
* Inject additional elements into the Instant Article feed's
* section.
*
* (fb-instant-articles <0.3)
*
* @param Instant_Articles_Post $ia_post The current article object.
*/
public function head_injector( $ia_post ) {
if ( AdPlugg_Facebook::is_ia_automatic_placement_enabled() ) {
//enable automatic placement
?>
section of each
* post in the Instant Articles feed.
*
* (fb-instant-articles <0.3)
*
* @param Instant_Articles_Post $ia_post The current article object.
* @todo Add unit tests
*/
public function header_injector( $ia_post ) {
$GLOBALS['adplugg_fbia_canonical_url'] = $ia_post->get_canonical_url();
if (
( AdPlugg_Facebook::is_ia_automatic_placement_enabled() ) &&
( is_active_sidebar( 'facebook_ia_header_ads' ) )
)
{
echo "\n";
dynamic_sidebar( 'facebook_ia_header_ads' );
echo "\n";
}
}
/**
* Store the instant article so that we can access it in the insert_ads
* function below.
* @param Facebook\InstantArticles\Elements\InstantArticle $instant_article
* The current Instant Article.
* @return Facebook\InstantArticles\Elements\InstantArticle Returns the
* Instant Article.
* @todo Add unit tests
*/
public function set_instant_article( $instant_article ) {
$this->instant_article = $instant_article;
return $instant_article;
}
/**
* Inserts ads into the Instant Article header.
* @todo Add unit tests
*/
public function insert_ads( $post ) {
/** @var $header Facebook\InstantArticles\Elements\Header */
$header = $this->instant_article->getHeader();
$settings_ads = Instant_Articles_Option_Ads::get_option_decoded();
$source_of_ad = isset( $settings_ads['ad_source'] ) ? $settings_ads['ad_source'] : 'none';
if (
( AdPlugg_Options::is_access_code_installed() ) &&
( AdPlugg_Facebook::is_ia_automatic_placement_enabled() ) &&
( is_active_sidebar( 'facebook_ia_header_ads' ) ) &&
( $source_of_ad == 'adplugg' )
)
{
$ad_tags = AdPlugg_Ad_Tag_Collector::get_instance()
->get_ad_tags( 'facebook_ia_header_ads' );
/* @var $ad_tag \AdPlugg_Ad_Tag */
foreach ( $ad_tags->to_array() as $ad_tag ) {
// ------ Compute iframe src ------ //
$post_url = $post->get_canonical_url();
$host = urlencode( parse_url( $post_url, PHP_URL_HOST ) );
$path = urlencode( parse_url( $post_url, PHP_URL_PATH ) );
$zone_param = ( $ad_tag->get_zone() != null ) ? '&zn=' . urlencode( $ad_tag->get_zone() ) : '';
$adplugg_adhtmlserver = ADPLUGG_ADHTMLSERVER;
//Temporarily allow serving from www.adplugg.com. Here to
//facilitate a judicious rollout of the new adplugg.io endpoint.
if ( AdPlugg_Facebook::temp_use_legacy_adplugg_com_endpoint() ) {
$adplugg_adhtmlserver = 'www.adplugg.com';
}
$iframe_src = 'https://' . $adplugg_adhtmlserver . '/serve/' . AdPlugg_Options::get_active_access_code() . '/html/1.1/index.html?hn=' . $host . '&bu=' . $path . $zone_param;
// ------------------------------- //
$ad = Ad::create()
->enableDefaultForReuse()
->withWidth( $ad_tag->get_width() )
->withHeight( $ad_tag->get_height() )
->withSource( $iframe_src );
$header->addAd( $ad );
} //end foreach ad_tag
} //end if enabled
}
/**
* Get the singleton instance.
* @return \AdPlugg_Facebook_Instant_Articles Returns the singleton instance
* of this class.
*/
public static function get_instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
}