| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <!-- TODO update link --> |
| <link rel="help" href="https://www.w3.org/TR/css-view-transitions-2/"> |
| <title>Scope view transitions run in parallel</title> |
| </head> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style type="text/css"> |
| .block { |
| background-color: blue; |
| position: relative; |
| height: 100px; |
| width: 100px; |
| margin: 50px; |
| } |
| |
| #target1 { |
| view-transition-name: a; |
| } |
| |
| #target2 { |
| view-transition-name: b; |
| } |
| |
| ::view-transition-group(*), |
| ::view-transition-image-pair(*), |
| ::view-transition-old(*) { |
| animation: unset; |
| } |
| |
| ::view-transition-old(*) { |
| opacity: 0; |
| } |
| |
| @keyframes stylize { |
| from { |
| opacity: 0.5; |
| } |
| to { |
| opacity: 1.0; |
| } |
| } |
| ::view-transition-new(*) { |
| animation: stylize 1s paused; |
| } |
| |
| </style> |
| <body> |
| <div id="target1" class="block"></div> |
| <div id="target2" class="block"></div> |
| </body> |
| <script type="text/javascript"> |
| |
| async function run_parallel_scoped_view_transition_test( |
| transition_update_callback, |
| message) { |
| promise_test(async t => { |
| const vt1 = target1.startViewTransition(() => {}); |
| const vt2 = target2.startViewTransition(() => {}); |
| await Promise.all([vt1.ready, vt2.ready]); |
| |
| let list = document.getAnimations().map(a => { |
| return `${a.effect.pseudoElement}:${a.animationName}`; |
| }); |
| let expected = [ |
| '::view-transition-new(a):stylize', |
| '::view-transition-new(b):stylize' |
| ]; |
| assert_array_equals(list, expected, 'Before callback'); |
| assert_equals( |
| getComputedStyle(target1, "::view-transition-new(a)") |
| .getPropertyValue("opacity"), |
| "0.5"); |
| assert_equals( |
| getComputedStyle(target2, "::view-transition-new(b)") |
| .getPropertyValue("opacity"), |
| "0.5"); |
| |
| transition_update_callback(vt1); |
| await vt1.finished.then( |
| () => {}, |
| () => { |
| // The only case where the finished promise should not be resolved is |
| // when the DOM update callback returns a rejected promise. |
| assert_unreached('Finished promise should have been resolved'); |
| }); |
| |
| list = document.getAnimations().map(a => { |
| return `${a.effect.pseudoElement}:${a.animationName}`; |
| }); |
| assert_array_equals(list, [`::view-transition-new(b):stylize`], |
| 'After callback'); |
| assert_equals( |
| getComputedStyle(target2, "::view-transition-new(b)") |
| .getPropertyValue("opacity"), |
| "0.5"); |
| }, message); |
| } |
| |
| run_parallel_scoped_view_transition_test( |
| (vt) => { |
| vt.skipTransition(); |
| }, |
| 'Concurrent transition keeps running after transition skipped'); |
| |
| run_parallel_scoped_view_transition_test( |
| () => { |
| document.getAnimations().filter(a => { |
| return a.effect.target.id == 'target1'; |
| }).forEach(a => { |
| a.finish(); |
| }); |
| }, 'Concurrent transition keeps running after transition finished'); |
| |
| run_parallel_scoped_view_transition_test( |
| () => { |
| document.getAnimations().filter(a => { |
| return a.effect.target.id == 'target1'; |
| }).forEach(a => { |
| a.cancel(); |
| }); |
| }, 'Concurrent transition keeps running after transition canceled'); |
| </script> |
| </html> |
