| <!DOCTYPE html> |
| <script src="utils.js"></script> |
| <title>Fenced frame content to report the result of prerendering</title> |
| |
| <body> |
| <script> |
| async function report() { // Needed in order to use top-level await. |
| // This file is meant to run in a <fencedframe>. It reports its dimensions |
| // back to the outermost page, which in turn checks for correctness. |
| const [window_outer_size_key, window_inner_size_key, dimension, |
| extra_children] = parseKeylist(); |
| |
| const url = new URL(location.href); |
| |
| if (extra_children == "0") { |
| let outer_result = (dimension == "width") ? |
| window.outerWidth : window.outerHeight; |
| |
| let inner_result = (dimension == "width") ? |
| window.innerWidth : window.innerHeight; |
| |
| writeValueToServer(window_outer_size_key, outer_result); |
| writeValueToServer(window_inner_size_key, inner_result); |
| } else { |
| const iframe = document.createElement('iframe'); |
| const frame_url = generateURL('window-outer-dimensions-inner.html', |
| [window_outer_size_key, window_inner_size_key, dimension, |
| (parseInt(extra_children) - 1)]); |
| iframe.src = frame_url; |
| document.body.append(iframe); |
| } |
| |
| } |
| report(); |
| </script> |
| </body> |
