| Chromium WPT Sync | 9c214b3 | 2023-09-22 22:41:54 | [diff] [blame] | 1 | <!DOCTYPE html> |
| 2 | <html class="reftest-wait"> |
| 3 | <title>Test that making a content-visibility: hidden subtree visible restarts animations in it</title> |
| 4 | <link rel="author" title="Rob Buis" href="mailto:rbuis@igalia.com"> |
| 5 | <link rel="help" href="https://drafts.csswg.org/css-contain-2/"> |
| 6 | <link rel="match" href="content-visibility-animation-becomes-visible-ref.html"> |
| 7 | <meta name="assert" content="animations in content-visibility: hidden subtree should restart once visible"> |
| 8 | |
| 9 | <script src="/common/reftest-wait.js"></script> |
| Chromium WPT Sync | 9c214b3 | 2023-09-22 22:41:54 | [diff] [blame] | 10 | |
| 11 | <style> |
| 12 | #container { |
| 13 | content-visibility: hidden; |
| 14 | } |
| 15 | @keyframes fade { |
| 16 | from { opacity: 0; transform: none; } |
| 17 | to { opacity: 1; transform: translate(100px); } |
| 18 | } |
| 19 | #target { |
| 20 | background: green; |
| 21 | height: 100px; |
| 22 | width: 100px; |
| 23 | } |
| 24 | .animate { |
| 25 | animation: fade 1s linear 1 alternate; |
| 26 | animation-fill-mode: forwards; |
| 27 | } |
| 28 | </style> |
| 29 | <body> |
| 30 | <div id="container"></div> |
| 31 | </body> |
| 32 | |
| 33 | <script> |
| 34 | function createAnimatingElement(name) { |
| 35 | const container = document.getElementById('container'); |
| 36 | const target = document.createElement('div'); |
| 37 | container.appendChild(target); |
| 38 | target.id = 'target'; |
| 39 | target.className = name; |
| 40 | return target; |
| 41 | } |
| 42 | |
| 43 | function runTest() { |
| 44 | const container = document.getElementById('container'); |
| 45 | const target = createAnimatingElement('animate'); |
| 46 | container.style.contentVisibility = "visible"; |
| 47 | const listener = (e) => { |
| 48 | takeScreenshot(); |
| 49 | }; |
| 50 | |
| 51 | target.addEventListener("animationend", listener); |
| 52 | } |
| 53 | window.onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest)); |
| 54 | </script> |