89 lines
1.9 KiB
PHP
89 lines
1.9 KiB
PHP
<?php
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namespace ShortPixel\External\Offload;
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use ShortPixel\ShortPixelLogger\ShortPixelLogger as Log;
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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// Class to check what offloader to use and load it. To offload.
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class Offloader
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{
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private static $instance;
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private static $offload_instance;
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private $offloadName;
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public static function getInstance()
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{
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if (is_null(self::$instance))
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{
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self::$instance = new Offloader();
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}
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return self::$instance;
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}
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public function __construct()
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{
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add_action('plugins_loaded', array($this, 'load'));
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add_action('as3cf_init', array($this, 'initS3Offload'));
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}
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public function load()
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{
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$bool = $this->checkVirtualLoaders();
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if (true === $bool)
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{
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self::$offload_instance = new VirtualFileSystem($this->offloadName);
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}
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}
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protected function checkVirtualLoaders()
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{
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if ( class_exists('\Stack\Config') ) // Bitpoke Stack MU
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{
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$this->offloadName = 'stack';
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return true;
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}
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elseif (defined('STACK_MEDIA_BUCKET'))
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{
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$this->offloadName = 'stack';
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return true;
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}
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elseif (class_exists('\S3_Uploads\Plugin'))
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{
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$this->offloadName = 's3-uploads-human';
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return true;
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}
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/* (Doesn't work)
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elseif (function_exists('ud_check_stateless_media'))
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{
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$this->offloadName = 'wp-stateless';
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return true;
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} */
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return false;
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}
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// If As3cfInit is called check WpOffload runtime. This is later in order than plugins_loaded!
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public function initS3Offload($as3cf)
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{
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if (is_null(self::$offload_instance))
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{
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$this->offloadName = 'wp-offload';
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self::$offload_instance = new wpOffload($as3cf);
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}
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else {
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Log::addError('Instance is not null - other virtual component has loaded! (' . $this->offloadName . ')');
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}
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}
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public function getOffloadName()
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{
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return $this->offloadName;
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}
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}
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Offloader::getInstance(); // init
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