}
	}

	public function atp_check_pro_albums( $available, $display_type ) {
		if ( ! defined( 'NGG_PRO_ALBUMS' ) ) {
			return $available;
		}

		if ( in_array( $display_type->name, [ NGG_PRO_LIST_ALBUM, NGG_PRO_GRID_ALBUM ] )
		&& in_array( 'C_Component_Registry', get_declared_classes(), true )
		&& \C_Component_Registry::get_instance()->is_module_loaded( NGG_PRO_ALBUMS ) ) {
			$available = true;
		}

		return $available;
	}

	public function no_debug_bar() {
		if ( ATPManager::is_atp_url() ) {
			\wp_dequeue_script( 'debug-bar-console' );
		}
	}

	// A lot of routing issues start occuring with WordPress SEO when the routing system is
	// initialized by the excerpt, and then again from the post content.
	public function disable_galleries_in_excerpts( $excerpt ) {
		if ( in_array( 'WPSEO_OpenGraph', get_declared_classes(), true ) ) {
			ATPManager::$substitute_placeholders = false;
		}

		return $excerpt;
	}

	public function enable_galleries_in_excerpts( $excerpt ) {
		if ( in_array( 'WPSEO_OpenGraph', get_declared_classes(), true ) ) {
			ATPManager::$substitute_placeholders = true;
		}

		return $excerpt;
	}

	public function fix_wpml_canonical_redirect() {
		Router::$use_canonical_redirect = false;
		Router::$use_old_slugs          = false;
	}

	/**
	 * NGG automatically purges unused terms when managing a gallery, but this also ensnares WPML translations
	 *
	 * @param $term_id
	 * @return bool
	 */
	public function dont_auto_purge_wpml_terms( $term_id ) {
		$args               = [
			'element_id'   => $term_id,
			'element_type' => 'ngg_tag',
		];
		$term_language_code = \apply_filters( 'wpml_element_language_code', null, $args );

		if ( ! empty( $term_language_code ) ) {
			return false;
		} else {
			return $term_id;
		}
	}

	/**
	 * Prevent WPML's parse_query() from conflicting with NGG's pagination & router module controlled endpoints
	 *
	 * @param string    $redirect What WPML is send to wp_safe_redirect()
	 * @param int       $post_id
	 * @param \WP_Query $q
	 * @return bool|string FALSE prevents a redirect from occurring
	 */
	public function wpml_is_redirected( $redirect, $post_id, $q ) {
		$router = Router::get_instance();
		if ( ! $router->serve_request() && $router->has_parameter_segments() ) {
			return false;
		} else {
			return $redirect;
		}
	}

	/**
	 * CKEditor features a custom NextGEN shortcode generator that unfortunately relies on parts of the NextGEN
	 * 1.9x API that has been deprecated in NextGEN 2.0
	 *
	 * @param $plugins
	 * @return mixed
	 */
	public function ckeditor_plugins( $plugins ) {
		if ( ! in_array( 'add_ckeditor_button', get_declared_classes(), true ) ) {
			return $plugins;
		}

		if ( ! empty( $plugins['nextgen'] ) ) {
			unset( $plugins['nextgen'] );
		}

		return $plugins;
	}

	public function check_for_jquery_lightbox() {
		// Fix for jQuery Lightbox: http://wordpress.org/plugins/wp-jquery-lightbox/
		// jQuery Lightbox tries to modify the content of a post, but it does so before we modify
		// the content, and therefore it's modifications have no effect on our galleries.
		if ( function_exists( 'jqlb_autoexpand_rel_wlightbox' ) ) {
			$settings = Settings::get_instance();

			// First, we make it appear that NGG has no lightbox effect enabled. That way we don't any lightbox resources.
			$settings->delete( 'thumbEffect' );

			// We would normally just let the third-party plugin do it's thing, but it's regex doesn't
			// seem to work on our <a> tags (perhaps because they span multiple of lines or have data attributes)
			// So instead, we just do what the third-party plugin wants - add the rel attribute.
			$settings->set( 'thumbCode', "rel='lightbox[%POST_ID%]'" );
		}
	}

	/**
	 * Weaver II's 'weaver_show_posts' shortcode creates a new wp-query, causing a second round of 'the_content'
	 * filters to apply. This checks for WeaverII and enables all NextGEN shortcodes that would otherwise be left
	 * disabled by our shortcode manager. See https://core.trac.wordpress.org/ticket/17817 for more.
	 *
	 * @param string $content
	 * @return string $content
	 */
	public function check_weaverii( $content ) {
		if ( function_exists( 'weaverii_show_posts_shortcode' ) ) {
			Shortcodes::get_instance()->activate_all();
		}

		return $content;
	}

	/**
	 * WPML assigns an action to 'init' that *may* enqueue some admin-side JS. This JS relies on some inline JS
	 * to be injected that isn't present in ATP so for ATP requests ONLY we disable their action that enqueues
	 * their JS files.
	 */
	public function wpml() {
		if ( ! in_array( 'SitePress', get_declared_classes(), true ) ) {
			return;
		}

		if ( ! ATPManager::is_atp_url() ) {
			return;
		}

		global $wp_filter;

		if ( empty( $wp_filter['init'][2] ) && empty( $wp_filter['after_setup_theme'][1] ) ) {
			return;
		}

		foreach ( $wp_filter['init'][2] as $id => $filter ) {
			if ( ! strpos( $id, 'js_load' ) ) {
				continue;
			}

			$object = $filter['function'][0];

			if ( is_object( $object ) && get_class( $object ) != 'SitePress' ) {
				continue;
			}

			\remove_action( 'init', [ $object, 'js_load' ], 2 );
		}

		foreach ( $wp_filter['after_setup_theme'][1] as $id => $filter ) {
			if ( $id !== 'wpml_installer_instance_delegator' ) {
				continue;
			}

			\remove_action( 'after_setup_theme', 'wpml_installer_instance_delegator', 1 );
		}
	}

	/**
	 * WPML Translation Management has a similar problem to plain ol' WPML
	 */
	public function wpml_translation_management() {
		if ( ! in_array( 'WPML_Translation_Management', get_declared_classes(), true ) ) {
			return;
		}

		if ( ! ATPManager::is_atp_url() ) {
			return;
		}

		global $wp_filter;

		if ( empty( $wp_filter['init'][10] ) ) {
			return;
		}

		foreach ( $wp_filter['init'][10] as $id => $filter ) {
			if ( ! strpos( $id, 'init' ) ) {
				continue;
			}

			$object = $filter['function'][0];

			if ( is_object( $object ) && get_class( $object ) != 'WPML_Translation_Management' ) {
				continue;
			}

			\remove_action( 'init', [ $object, 'init' ], 10 );
		}
	}

	/**
	 * Headway themes offer gzip compression, but it causes problems with NextGEN output. Disable that feature while
	 * NextGEN is active.
	 *
	 * @param $option
	 * @return bool
	 */
	public function headway_gzip( $option ) {
		if ( ! in_array( 'HeadwayOption', get_declared_classes(), true ) ) {
			return $option;
		}

		return false;
	}

	/**
	 * Colorbox fires a filter (pri=100) to add class attributes to images via a the_content filter. We fire our
	 * shortcodes at PHP_INT_MAX-1 to avoid encoding issues with some themes. Here we move the Colorbox filters
	 * priority to PHP_INT_MAX so that they run after our shortcode text has been replaced with rendered galleries.
	 */
	public function colorbox() {
		if ( ! in_array( 'JQueryColorboxFrontend', get_declared_classes(), true ) ) {
			return;
		}

		global $wp_filter;

		if ( empty( $wp_filter['the_content'][100] ) ) {
			return;
		}

		foreach ( $wp_filter['the_content'][100] as $id => $filter ) {
			if ( ! strpos( $id, 'addColorboxGroupIdToImages' ) ) {
				continue;
			}

			$object = $filter['function'][0];

			if ( is_object( $object ) && get_class( $object ) != 'JQueryColorboxFrontend' ) {
				continue;
			}

			\remove_filter( 'the_content', [ $object, 'addColorboxGroupIdToImages' ], 100 );
			\remove_filter( 'the_excerpt', [ $object, 'addColorboxGroupIdToImages' ], 100 );
			\add_filter( 'the_content', [ $object, 'addColorboxGroupIdToImages' ], PHP_INT_MAX );
			\add_filter( 'the_excerpt', [ $object, 'addColorboxGroupIdToImages' ], PHP_INT_MAX );
			break;
		}
	}

	/**
	 * Flattr fires a filter (pri=32767) on "the_content" that recurses. This causes problems,
	 * see https://core.trac.wordpress.org/ticket/17817 for more information. Moving their filter to PHP_INT_MAX
	 * is enough for us though
	 */
	public function flattr() {
		if ( ! in_array( 'Flattr', get_declared_classes(), true ) ) {
			return;
		}

		global $wp_filter;

		$level = 32767;

		if ( empty( $wp_filter['the_content'][ $level ] ) ) {
			return;
		}

		foreach ( $wp_filter['the_content'][ $level ] as $id => $filter ) {
			if ( ! strpos( $id, 'injectIntoTheContent' ) ) {
				continue;
			}

			$object = $filter['function'][0];

			if ( is_object( $object ) && get_class( $object ) != 'Flattr' ) {
				continue;
			}

			\remove_filter( 'the_content', [ $object, 'injectIntoTheContent' ], $level );
			\add_filter( 'the_content', [ $object, 'injectIntoTheContent' ], PHP_INT_MAX );
			break;
		}
	}

	/**
	 * For the same reasons as Colorbox we move BJ-Lazy-load's filter() method to a later priority so it can access
	 * our rendered galleries.
	 */
	public function bjlazyload() {
		if ( ! in_array( 'BJLL', get_declared_classes(), true ) ) {
			return;
		}

		global $wp_filter;

		if ( empty( $wp_filter['the_content'][200] ) ) {
			return;
		}

		foreach ( $wp_filter['the_content'][200] as $id => $filter ) {
			if ( ! strpos( $id, 'filter' ) ) {
				continue;
			}

			$object = $filter['function'][0];

			if ( is_object( $object ) && get_class( $object ) != 'BJLL' ) {
				continue;
			}

			\remove_filter( 'the_content', [ $object, 'filter' ], 200 );
			\add_filter( 'the_content', [ $object, 'filter' ], PHP_INT_MAX );
			break;
		}

		\add_filter( 'the_content', [ $this, 'bjlazyload_filter' ], PHP_INT_MAX - 1 );
	}

	/**
	 * BJ-Lazy-load's regex is lazy and doesn't handle multiline search or instances where <img is immediately followed
	 * by a newline. The following regex replaces newlines and strips unnecessary space. We fire this filter
	 * before BJ-Lazy-Load's to make our galleries compatible with its expectations.
	 *
	 * @param string $content
	 * @return string
	 */
	public function bjlazyload_filter( $content ) {
		return trim( preg_replace( '/\\s\\s+/', ' ', $content ) );
	}
}