Source

File: wp-admin/includes/class-wp-posts-list-table.php

public function single_row( $post, $level = 0 ) {
		$global_post = get_post();

		$post                = get_post( $post );
		$this->current_level = $level;

		$GLOBALS['post'] = $post;
		setup_postdata( $post );

		$classes = 'iedit author-' . ( get_current_user_id() == $post->post_author ? 'self' : 'other' );

		$lock_holder = wp_check_post_lock( $post->ID );
		if ( $lock_holder ) {
			$classes .= ' wp-locked';
		}

		if ( $post->post_parent ) {
			$count    = count( get_post_ancestors( $post->ID ) );
			$classes .= ' level-' . $count;
		} else {
			$classes .= ' level-0';
		}
		?>
		<tr id="post-<?php echo $post->ID; ?>" class="<?php echo implode( ' ', get_post_class( $classes, $post->ID ) ); ?>">
			<?php $this->single_row_columns( $post ); ?>
		</tr>
		<?php
		$GLOBALS['post'] = $global_post;
	}