first commit

wp/wp-content/plugins/wp-mail-smtp/src/Admin/AdminBarMenu.php

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+<?php
+
+namespace WPMailSMTP\Admin;
+
+use WPMailSMTP\Debug;
+use WPMailSMTP\Options;
+
+/**
+ * WP Mail SMTP admin bar menu.
+ *
+ * @since 2.3.0
+ */
+class AdminBarMenu {
+
+	/**
+	 * Initialize class.
+	 *
+	 * @since 2.3.0
+	 */
+	public function init() {
+
+		$this->hooks();
+	}
+
+	/**
+	 * Register hooks.
+	 *
+	 * @since 2.3.0
+	 */
+	public function hooks() {
+
+		add_action( 'wp_enqueue_scripts', [ $this, 'enqueues' ] );
+		add_action( 'admin_enqueue_scripts', [ $this, 'enqueues' ] );
+		add_action( 'admin_bar_menu', [ $this, 'register' ], 999 );
+	}
+
+	/**
+	 * Check if current user has access to see admin bar menu.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @return bool
+	 */
+	public function has_access() {
+
+		$access = false;
+
+		if (
+			is_user_logged_in() &&
+			current_user_can( 'manage_options' )
+		) {
+			$access = true;
+		}
+
+		return apply_filters( 'wp_mail_smtp_admin_adminbarmenu_has_access', $access );
+	}
+
+	/**
+	 * Check if new notifications are available.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @return bool
+	 */
+	public function has_notifications() {
+
+		return wp_mail_smtp()->get_notifications()->get_count();
+	}
+
+	/**
+	 * Enqueue styles.
+	 *
+	 * @since 2.3.0
+	 */
+	public function enqueues() {
+
+		if ( ! is_admin_bar_showing() ) {
+			return;
+		}
+
+		if ( ! $this->has_access() ) {
+			return;
+		}
+
+		wp_enqueue_style(
+			'wp-mail-smtp-admin-bar',
+			wp_mail_smtp()->assets_url . '/css/admin-bar.min.css',
+			[],
+			WPMS_PLUGIN_VER
+		);
+	}
+
+	/**
+	 * Register and render admin menu bar.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param \WP_Admin_Bar $wp_admin_bar WordPress Admin Bar object.
+	 */
+	public function register( \WP_Admin_Bar $wp_admin_bar ) {
+
+		if (
+			! $this->has_access() ||
+			(
+				(
+					empty( Debug::get_last() ) ||
+					(bool) Options::init()->get( 'general', 'email_delivery_errors_hidden' )
+				) &&
+				empty( $this->has_notifications() )
+			)
+		) {
+			return;
+		}
+
+		$items = apply_filters(
+			'wp_mail_smtp_admin_adminbarmenu_register',
+			[
+				'main_menu',
+			],
+			$wp_admin_bar
+		);
+
+		foreach ( $items as $item ) {
+			$this->{ $item }( $wp_admin_bar );
+
+			do_action( "wp_mail_smtp_admin_adminbarmenu_register_{$item}_after", $wp_admin_bar );
+		}
+	}
+
+	/**
+	 * Render primary top-level admin menu bar item.
+	 *
+	 * @since 2.3.0
+	 *
+	 * @param \WP_Admin_Bar $wp_admin_bar WordPress Admin Bar object.
+	 */
+	public function main_menu( \WP_Admin_Bar $wp_admin_bar ) {
+
+		if (
+			! empty( Debug::get_last() ) &&
+			! (bool) Options::init()->get( 'general', 'email_delivery_errors_hidden' )
+		) {
+			$indicator = ' <span class="wp-mail-smtp-admin-bar-menu-error">!</span>';
+		} elseif ( ! empty( $this->has_notifications() ) ) {
+			$count     = $this->has_notifications() < 10 ? $this->has_notifications() : '!';
+			$indicator = ' <div class="wp-mail-smtp-admin-bar-menu-notification-counter"><span>' . $count . '</span></div>';
+		}
+
+		if ( ! isset( $indicator ) ) {
+			return;
+		}
+
+		$wp_admin_bar->add_menu(
+			[
+				'id'    => 'wp-mail-smtp-menu',
+				'title' => 'WP Mail SMTP' . $indicator,
+				'href'  => apply_filters(
+					'wp_mail_smtp_admin_adminbarmenu_main_menu_href',
+					wp_mail_smtp()->get_admin()->get_admin_page_url()
+				),
+			]
+		);
+	}
+}