%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Class Google\Site_Kit\Modules\Analytics\Advanced_Tracking
*
* @package Google\Site_Kit\Modules\Analytics
* @copyright 2021 Google LLC
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://sitekit.withgoogle.com
*/
namespace Google\Site_Kit\Modules\Analytics;
use Google\Site_Kit\Context;
use Google\Site_Kit\Modules\Analytics\Advanced_Tracking\Event_List;
use Google\Site_Kit\Modules\Analytics\Advanced_Tracking\Script_Injector;
use Google\Site_Kit\Modules\Analytics\Advanced_Tracking\AMP_Config_Injector;
use Google\Site_Kit\Modules\Analytics\Advanced_Tracking\Event_List_Registry;
use Google\Site_Kit\Modules\Analytics\Advanced_Tracking\Event;
/**
* Class for Google Analytics Advanced Event Tracking.
*
* @since 1.18.0.
* @access private
* @ignore
*/
final class Advanced_Tracking {
/**
* Plugin context.
*
* @since 1.18.0.
* @var Context
*/
protected $context;
/**
* Map of events to be tracked.
*
* @since 1.18.0.
* @var array Map of Event instances, keyed by their unique ID.
*/
private $events;
/**
* Main class event list registry instance.
*
* @since 1.18.0.
* @var Event_List_Registry
*/
private $event_list_registry;
/**
* Advanced_Tracking constructor.
*
* @since 1.18.0.
*
* @param Context $context Plugin context.
*/
public function __construct( Context $context ) {
$this->context = $context;
$this->event_list_registry = new Event_List_Registry();
}
/**
* Registers functionality through WordPress hooks.
*
* @since 1.18.0.
*/
public function register() {
add_action(
'googlesitekit_analytics_init_tag',
function() {
$this->register_event_lists();
add_action(
'wp_footer',
function() {
$this->set_up_advanced_tracking();
}
);
}
);
add_action(
'googlesitekit_analytics_init_tag_amp',
function() {
$this->register_event_lists();
add_filter(
'googlesitekit_amp_gtag_opt',
function( $gtag_amp_opt ) {
return $this->set_up_advanced_tracking_amp( $gtag_amp_opt );
}
);
}
);
}
/**
* Returns the map of unique events.
*
* @since 1.18.0.
*
* @return array Map of Event instances, keyed by their unique ID.
*/
public function get_events() {
return $this->events;
}
/**
* Injects javascript to track active events.
*
* @since 1.18.0.
*/
private function set_up_advanced_tracking() {
$this->compile_events();
( new Script_Injector( $this->context ) )->inject_event_script( $this->events );
}
/**
* Adds triggers to AMP configuration.
*
* @since 1.18.0.
*
* @param array $gtag_amp_opt gtag config options for AMP.
* @return array Filtered $gtag_amp_opt.
*/
private function set_up_advanced_tracking_amp( $gtag_amp_opt ) {
$this->compile_events();
return ( new AMP_Config_Injector() )->inject_event_configurations( $gtag_amp_opt, $this->events );
}
/**
* Instantiates and registers event lists.
*
* @since 1.18.0.
*/
private function register_event_lists() {
/**
* Fires when the Advanced_Tracking class is ready to receive event lists.
*
* This means that Advanced_Tracking class stores the event lists in the Event_List_Registry instance.
*
* @since 1.18.0.
*
* @param Event_List_Registry $event_list_registry
*/
do_action( 'googlesitekit_analytics_register_event_lists', $this->event_list_registry );
foreach ( $this->event_list_registry->get_lists() as $event_list ) {
$event_list->register();
}
}
/**
* Compiles the list of Event objects.
*
* @since 1.18.0.
*/
private function compile_events() {
$this->events = array_reduce(
$this->event_list_registry->get_lists(),
function ( $events, Event_List $event_list ) {
return array_merge( $events, $event_list->get_events() );
},
array()
);
}
}
Zerion Mini Shell 1.0