Check dependency_support in is_needed for AmpPlugins, AmpThemes, and PluginActivationSiteScan

Author: westonruter

src/Admin/AmpPlugins.php

@@ -11,6 +11,7 @@
 use AmpProject\AmpWP\Infrastructure\Delayed;
 use AmpProject\AmpWP\Infrastructure\Registerable;
 use AmpProject\AmpWP\Infrastructure\Service;
+use AmpProject\AmpWP\Services;
 use WP_Screen;
 use function get_current_screen;
 use stdClass;
@@ -61,6 +62,10 @@ public static function get_registration_action() {
 	 */
 	public static function is_needed() {
 
+		if ( ! Services::get( 'dependency_support' )->has_support() ) {
+			return false;
+		}
+
 		/** This filter is documented in src/Admin/AmpThemes.php */
 		return is_admin() && apply_filters( 'amp_compatible_ecosystem_shown', true, 'plugins' );
 	}

src/Admin/AmpThemes.php

@@ -11,6 +11,7 @@
 use AmpProject\AmpWP\Infrastructure\Delayed;
 use AmpProject\AmpWP\Infrastructure\Registerable;
 use AmpProject\AmpWP\Infrastructure\Service;
+use AmpProject\AmpWP\Services;
 use WP_Screen;
 use stdClass;
 
@@ -60,6 +61,10 @@ public static function get_registration_action() {
 	 */
 	public static function is_needed() {
 
+		if ( ! Services::get( 'dependency_support' )->has_support() ) {
+			return false;
+		}
+
 		/**
 		 * Filters whether to show AMP compatible ecosystem in the admin.
 		 *

src/Admin/PluginActivationSiteScan.php

@@ -13,11 +13,11 @@
 
 use AMP_Options_Manager;
 use AMP_Validation_Manager;
-use AmpProject\AmpWP\DevTools\UserAccess;
 use AmpProject\AmpWP\Infrastructure\Conditional;
 use AmpProject\AmpWP\Infrastructure\Delayed;
 use AmpProject\AmpWP\Infrastructure\Registerable;
 use AmpProject\AmpWP\Infrastructure\Service;
+use AmpProject\AmpWP\Services;
 
 /**
  * Class PluginActivationSiteScan
@@ -67,6 +67,8 @@ public static function is_needed() {
 		return (
 			is_admin()
 			&&
+			Services::get( 'dependency_support' )->has_support()
+			&&
 			! is_network_admin()
 			&&
 			'plugins.php' === $pagenow

src/Admin/SupportScreen.php

@@ -106,6 +106,7 @@ public static function is_needed() {
 		return (
 			is_admin()
 			&&
+			// Note: The view_site_health_checks capability was introduced in WordPress 5.2, so this will return false in older versions.
 			self::has_cap()
 		);
 	}