'twitterAppIpadID'         => 'twitter_app_ipad_id',
				'twitterAppIpadUrl'        => 'twitter_app_ipad_url',
				'twitterAppGoogleplayName' => 'twitter_app_googleplay_name',
				'twitterAppGoogleplayID'   => 'twitter_app_googleplay_id',
				'twitterAppGoogleplayUrl'  => 'twitter_app_googleplay_url',
				'twitterAppCountry'        => 'twitter_app_country',
			]
		);

		// Generate data.
		$data        = [];
		$object_id   = $this->get_object_id();
		$object_type = $this->get_object_type();
		foreach ( $keys as $id => $key ) {
			$data[ $id ] = $this->get_meta( $object_type, $object_id, 'rank_math_' . $key );
		}

		// Robots.
		$data['robots'] = $this->normalize_robots( $this->get_meta( $object_type, $object_id, 'rank_math_robots' ) );

		// Advanced Robots.
		$data['advancedRobots'] = $this->normalize_advanced_robots( $this->get_meta( $object_type, $object_id, 'rank_math_advanced_robots' ) );

		$data['pillarContent'] = 'on' === $data['pillarContent'];

		// Username, avatar & Name.
		$twitter_username           = Helper::get_settings( 'titles.twitter_author_names' );
		$data['twitterAuthor']      = $twitter_username ? $twitter_username : esc_html__( 'username', 'rank-math' );
		$data['twitterUseFacebook'] = 'off' === $data['twitterUseFacebook'] ? false : true;
		$data['facebookHasOverlay'] = empty( $data['facebookHasOverlay'] ) || 'off' === $data['facebookHasOverlay'] ? false : true;
		$data['twitterHasOverlay']  = empty( $data['twitterHasOverlay'] ) || 'off' === $data['twitterHasOverlay'] ? false : true;

		return wp_parse_args( $this->screen->get_object_values(), $data );
	}

	/**
	 * Get site fav icon.
	 *
	 * @return string
	 */
	private function get_site_icon() {
		$favicon = get_site_icon_url( 16 );

		return ! empty( $favicon ) ? $favicon : 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABs0lEQVR4AWL4//8/RRjO8Iucx+noO0MWUDo16FYABMGP6ZfUcRnWtm27jVPbtm3bttuH2t3eFPcY9pLz7NxiLjCyVd87pKnHyqXyxtCs8APd0rnyxiu4qSeA3QEDrAwBDrT1s1Rc/OrjLZwqVmOSu6+Lamcpp2KKMA9PH1BYXMe1mUP5qotvXTywsOEEYHXxrY+3cqk6TMkYpNr2FeoY3KIr0RPtn9wQ2unlA+GMkRw6+9TFw4YTwDUzx/JVvARj9KaedXRO8P5B1Du2S32smzqUrcKGEyA+uAgQjKX7zf0boWHGfn71jIKj2689gxp7OAGShNcBUmLMPVjZuiKcA2vuWHHDCQxMCz629kXAIU4ApY15QwggAFbfOP9DhgBJ+nWVJ1AZAfICAj1pAlY6hCADZnveQf7bQIwzVONGJonhLIlS9gr5mFg44Xd+4S3XHoGNPdJl1INIwKyEgHckEhgTe1bGiFY9GSFBYUwLh1IkiJUbY407E7syBSFxKTszEoiE/YdrgCEayDmtaJwCI9uu8TKMuZSVfSa4BpGgzvomBR/INhLGzrqDotp01ZR8pn/1L0JN9d9XNyx0AAAAAElFTkSuQmCC';
	}

	/**
	 * Normalize robots.
	 *
	 * @param array $robots Array to normalize.
	 *
	 * @return array
	 */
	private function normalize_robots( $robots ) {
		if ( ! is_array( $robots ) || empty( $robots ) ) {
			$robots = Helper::get_robots_defaults();
		}

		return array_fill_keys( $robots, true );
	}

	/**
	 * Normalize advanced robots.
	 *
	 * @param array $advanced_robots Array to normalize.
	 *
	 * @return array
	 */
	private function normalize_advanced_robots( $advanced_robots ) {
		if ( ! empty( $advanced_robots ) ) {
			return $advanced_robots;
		}

		return Helper::get_advanced_robots_defaults();
	}

	/**
	 * Return power words.
	 *
	 * @return array
	 */
	private function power_words() {
		static $words;
		$locale = Locale::get_site_language();
		$file   = rank_math()->plugin_dir() . 'assets/vendor/powerwords/' . $locale . '.php';
		if ( ! file_exists( $file ) ) {
			return $this->do_filter( 'metabox/power_words', [], $locale );
		}

		$words = $words ? $words : include $file;
		return $this->do_filter( 'metabox/power_words', array_map( 'strtolower', $words ), $locale );
	}

	/**
	 * Get diacritics (accents).
	 *
	 * @return array
	 */
	private function diacritics() {
		$locale = Locale::get_site_language();
		$locale = in_array( $locale, [ 'en', 'de', 'ru' ], true ) ? $locale : 'en';
		$file   = rank_math()->plugin_dir() . 'assets/vendor/diacritics/' . $locale . '.php';
		if ( ! file_exists( $file ) ) {
			return false;
		}

		$diacritics = include_once $file;
		return $this->do_filter( 'metabox/diacritics', $diacritics, $locale );
	}

	/**
	 * Load required screen.
	 *
	 * @param string $manual To load any screen manually.
	 */
	public function load_screen( $manual = '' ) {
		if ( Admin_Helper::is_post_edit() || 'post' === $manual || Helper::is_site_editor() ) {
			$this->screen = new Post_Screen();
			return;
		}

		$doing_quick_edit = Param::request( 'action' ) === 'inline-save-tax';
		if ( Admin_Helper::is_term_edit() || 'term' === $manual || $doing_quick_edit ) {
			$this->screen = new Taxonomy_Screen();
			return;
		}

		if ( User_Screen::is_enable() || 'user' === $manual ) {
			$this->screen = new User_Screen();
			return;
		}
	}
}