77 lines
2.5 KiB
PHP
77 lines
2.5 KiB
PHP
<?php
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/*
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Copyright 2006 Aaron D. Campbell (email : wp_plugins@xavisys.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* Jetpack_Google_Analytics is the class that handles ALL of the plugin functionality.
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* It helps us avoid name collisions
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* http://codex.wordpress.org/Writing_a_Plugin#Avoiding_Function_Name_Collisions
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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require_once( plugin_basename( 'classes/wp-google-analytics-utils.php' ) );
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require_once( plugin_basename( 'classes/wp-google-analytics-options.php' ) );
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require_once( plugin_basename( 'classes/wp-google-analytics-legacy.php' ) );
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require_once( plugin_basename( 'classes/wp-google-analytics-universal.php' ) );
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class Jetpack_Google_Analytics {
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/**
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* @var Jetpack_Google_Analytics - Static property to hold our singleton instance
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*/
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static $instance = false;
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/**
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* @var Static property to hold concrete analytics impl that does the work (universal or legacy)
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*/
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static $analytics = false;
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/**
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* This is our constructor, which is private to force the use of get_instance()
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*
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* @return void
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*/
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private function __construct() {
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// At this time, we only leverage universal analytics when enhanced ecommerce is selected and WooCommerce is active.
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// Otherwise, don't bother emitting the tracking ID or fetching analytics.js
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if ( class_exists( 'WooCommerce' ) && Jetpack_Google_Analytics_Options::enhanced_ecommerce_tracking_is_enabled() ) {
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$analytics = new Jetpack_Google_Analytics_Universal();
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} else {
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$analytics = new Jetpack_Google_Analytics_Legacy();
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}
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}
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/**
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* Function to instantiate our class and make it a singleton
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*/
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public static function get_instance() {
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if ( ! self::$instance ) {
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self::$instance = new self;
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}
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return self::$instance;
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}
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}
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global $jetpack_google_analytics;
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$jetpack_google_analytics = Jetpack_Google_Analytics::get_instance();
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