public function handler( $atts, $content = null ) {
		global $popup;

		$atts = shortcode_atts( apply_filters( 'pum_popup_shortcode_default_atts', array(

			'id'    => "",
			'title' => "",

			'theme_id'         => null,
			'theme'            => null,
			'overlay_disabled' => 0,
			'size'             => "small",
			'width'            => "",
			'width_unit'       => "px",
			'height'           => "",
			'height_unit'      => "px",

			'location'        => "center top",
			'position_top'    => 100,
			'position_left'   => 0,
			'position_bottom' => 0,
			'position_right'  => 0,
			'position_fixed'  => 0,

			'animation_type'   => "fade",
			'animation_speed'  => 1000,
			'animation_origin' => 'top',

			'overlay_click' => 0,
			'esc_press'     => 1,
		) ), $atts, 'popup' );

		// We need to fake a popup using the PUM_Popup data model.
		$post_id              = rand( - 99999, - 1 ); // negative ID, to avoid clash with a valid post
		$post                 = new stdClass();
		$post->ID             = $post_id;
		$post->post_author    = 1;
		$post->post_date      = current_time( 'mysql' );
		$post->post_date_gmt  = current_time( 'mysql', 1 );
		$post->post_title     = $atts['title'];
		$post->post_content   = $content;
		$post->post_status    = 'publish';
		$post->comment_status = 'closed';
		$post->ping_status    = 'closed';
		$post->post_name      = $atts['id']; // append random number to avoid clash
		$post->post_type      = 'popup';
		$post->filter         = 'raw'; // important!
		$post->data_version   = 3;
		$post->mock           = true;

		// Convert to WP_Post object
		$wp_post = new WP_Post( $post );

		// Add the fake post to the cache
		wp_cache_add( $post_id, $wp_post, 'posts' );

		$popup = new PUM_Model_Popup( $wp_post );

		// Get Theme ID
		if ( ! $atts['theme_id'] ) {
			$atts['theme_id'] = $atts['theme'] ? $atts['theme'] : pum_get_default_theme_id();
		}

		$popup->title    = $atts['title'];
		$popup->settings = array_merge( PUM_Admin_Popups::defaults(), array(
			'disable_analytics'      => true,
			'theme_id'               => $atts['theme_id'],
			'size'                   => $atts['size'],
			'overlay_disabled'       => $atts['overlay_disabled'],
			'custom_width'           => $atts['width'],
			'custom_width_unit'      => $atts['width_unit'],
			'custom_height'          => $atts['height'],
			'custom_height_unit'     => $atts['height_unit'],
			'custom_height_auto'     => $atts['width'] > 0 ? 0 : 1,
			'location'               => $atts['location'],
			'position_top'           => $atts['position_top'],
			'position_left'          => $atts['position_left'],
			'position_bottom'        => $atts['position_bottom'],
			'position_right'         => $atts['position_right'],
			'position_fixed'         => $atts['position_fixed'],
			'animation_type'         => $atts['animation_type'],
			'animation_speed'        => $atts['animation_speed'],
			'animation_origin'       => $atts['animation_origin'],
			'close_on_overlay_click' => $atts['overlay_click'],
			'close_on_esc_press'     => $atts['esc_press'],
			'triggers'               => array(
				array(
					'type'     => 'click_open',
					'settings' => array(
						'extra_selectors' => '#popmake-' . $atts['id'],
					),
				),
			),
		) );

		$current_global_popup = pum()->current_popup;

		pum()->current_popup = $popup;

		$return = pum_get_template_part( 'popup' );

		// Small hack to move popup to body.
		$return .= "<script type='text/javascript' id='pum-move-popup-" . $post_id . "'>jQuery(document).ready(function () {
				 jQuery('#pum-" . $post_id . "').appendTo('body');
				 window.pum_vars.popups[ 'pum-" . $popup->ID . "' ] = " . PUM_Utils_Array::safe_json_encode( $popup->get_public_settings() ) . ";
				 window.pum_popups[ 'pum-" . $popup->ID . "' ] = " . PUM_Utils_Array::safe_json_encode( $popup->get_public_settings() ) . ";
				 jQuery('#pum-move-popup-" . $post_id . "').remove();
		});</script>";

		pum()->current_popup = $current_global_popup;

		return $return;
	}