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wp-content/plugins/wp-smushit/core/photon/class-photon-controller.php

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+<?php
+
+namespace Smush\Core\Photon;
+
+use Smush\Core\Controller;
+use Smush\Core\Media\Media_Item;
+use WP_Smush;
+
+/**
+ * Photon is an image acceleration and modification service for Jetpack-connected WordPress sites. When Photon is active, only the main file is kept on the server as a physical file, everything else is on a CDN.
+ * @see https://developer.wordpress.com/docs/photon/
+ */
+class Photon_Controller extends Controller {
+	public function __construct() {
+		$this->register_filter( 'wp_smush_media_item_size', array( $this, 'only_handle_full_size' ), 10, 2 );
+
+		$this->register_action( 'smush_setting_column_right_outside', array( $this, 'render_site_accelerator_notice' ), 20, 2 );
+	}
+
+	public function is_photon_active() {
+		return has_filter( 'wp_image_editors', 'photon_subsizes_override_image_editors' );
+	}
+
+	public function only_handle_full_size( $size, $key ) {
+		if ( ! $this->is_photon_active() ) {
+			return $size;
+		}
+
+		return $key === Media_Item::SIZE_KEY_FULL
+			? $size
+			: false;
+	}
+
+	public function render_site_accelerator_notice( $name ) {
+		if ( ! $this->is_photon_active() || 'bulk' !== $name ) {
+			return;
+		}
+
+		$text = sprintf( /* translators: %1$s - <a>, %2$s - </a> */
+			esc_html__( "We noticed that your site is configured to completely offload intermediate thumbnail sizes (they don't exist in your Media Library), so Smush can't optimize those images. You can still optimize your %1\$sOriginal Images%2\$s if you want to.", 'wp-smushit' ),
+			'<a href="#original">',
+			'</a>'
+		);
+		?>
+		<div class="sui-notice sui-notice-warning" style="margin-top: -20px">
+			<div class="sui-notice-content">
+				<div class="sui-notice-message">
+					<i class="sui-notice-icon sui-icon-info sui-md" aria-hidden="true"></i>
+					<p><?php echo wp_kses_post( $text ); ?></p>
+				</div>
+			</div>
+		</div>
+		<?php
+	}
+}