WP_Media_List_Table::get_views

		if ( ! empty( $not_in ) ) {
			$_REQUEST['post__not_in'] = $not_in;
		}

		list( $post_mime_types, $avail_post_mime_types ) = wp_edit_attachments_query( $_REQUEST );

		$this->is_trash = isset( $_REQUEST['attachment-filter'] ) && 'trash' === $_REQUEST['attachment-filter'];

		$this->set_pagination_args(
			array(
				'total_items' => $wp_query->found_posts,
				'total_pages' => $wp_query->max_num_pages,
				'per_page'    => $wp_query->query_vars['posts_per_page'],
			)
		);
	}

	/**
	 * @global array $post_mime_types
	 * @global array $avail_post_mime_types
	 * @return array
	 */
	protected function get_views() {
		global $post_mime_types, $avail_post_mime_types;

		$type_links = array();

		$filter = empty( $_GET['attachment-filter'] ) ? '' : $_GET['attachment-filter'];

		$type_links['all'] = sprintf(
			'<option value=""%s>%s</option>',
			selected( $filter, true, false ),
			__( 'All media items' )
		);

		foreach ( $post_mime_types as $mime_type => $label ) {
			if ( ! wp_match_mime_types( $mime_type, $avail_post_mime_types ) ) {
				continue;
			}

			$selected = selected(
				$filter && 0 === strpos( $filter, 'post_mime_type:' ) &&
					wp_match_mime_types( $mime_type, str_replace( 'post_mime_type:', '', $filter ) ),
				true,
				false
			);

			$type_links[ $mime_type ] = sprintf(
				'<option value="post_mime_type:%s"%s>%s</option>',
				esc_attr( $mime_type ),