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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <script src="../media-file.js"></script> |
| 3 <script src="../video-test.js"></script> |
| 4 <script src="../media-controls.js"></script> |
| 5 <style> |
| 6 video::cue, |
| 7 video::cue(c), |
| 8 video::cue(i:past), |
| 9 video::cue(.b:future) { background-color: red } |
| 10 |
| 11 .cue video::cue, |
| 12 .cuefunc video::cue(c), |
| 13 .past video::cue(i:past), |
| 14 .future video::cue(.b:future) { background-color: green } |
| 15 |
| 16 // This selector would have triggered sibling subtree recalc if we didn't |
| 17 // support descendant invalidation for ::cue/::cue(). |
| 18 #ascendant + div { color: pink } |
| 19 </style> |
| 20 <script> |
| 21 function seeked() { |
| 22 var red = "rgb(255, 0, 0)"; |
| 23 var green = "rgb(0, 128, 0)"; |
| 24 |
| 25 cueNode = textTrackDisplayElement(video, "cue"); |
| 26 iNode = cueNode.firstElementChild; |
| 27 cNode = iNode.nextSibling.nextSibling; |
| 28 bNode = cNode.nextSibling.nextSibling; |
| 29 |
| 30 testExpected("getComputedStyle(cueNode).backgroundColor", red); |
| 31 ascendant.offsetTop; |
| 32 ascendant.classList.add("cue"); |
| 33 if (window.internals) |
| 34 testExpected("internals.updateStyleAndReturnAffectedElementCount()", 9); |
| 35 testExpected("getComputedStyle(cueNode).backgroundColor", green); |
| 36 |
| 37 testExpected("getComputedStyle(cNode).backgroundColor", red); |
| 38 ascendant.offsetTop; |
| 39 ascendant.classList.add("cuefunc"); |
| 40 if (window.internals) |
| 41 testExpected("internals.updateStyleAndReturnAffectedElementCount()", 2); |
| 42 testExpected("getComputedStyle(cNode).backgroundColor", green); |
| 43 |
| 44 testExpected("getComputedStyle(iNode).backgroundColor", red); |
| 45 ascendant.offsetTop; |
| 46 ascendant.classList.add("past"); |
| 47 if (window.internals) |
| 48 testExpected("internals.updateStyleAndReturnAffectedElementCount()", 2); |
| 49 testExpected("getComputedStyle(iNode).backgroundColor", green); |
| 50 |
| 51 testExpected("getComputedStyle(bNode).backgroundColor", red); |
| 52 ascendant.offsetTop; |
| 53 ascendant.classList.add("future"); |
| 54 if (window.internals) |
| 55 testExpected("internals.updateStyleAndReturnAffectedElementCount()", 2); |
| 56 testExpected("getComputedStyle(bNode).backgroundColor", green); |
| 57 |
| 58 endTest(); |
| 59 } |
| 60 |
| 61 window.onload = function() { |
| 62 consoleWrite("Check that descendant style invalidation works with ::cue sele
ctors."); |
| 63 findMediaElement(); |
| 64 video.src = findMediaFile("video", "../content/test"); |
| 65 waitForEvent("seeked", seeked); |
| 66 waitForEvent("canplaythrough", function() { video.currentTime = 0.1; }); |
| 67 }; |
| 68 </script> |
| 69 <div id="ascendant"> |
| 70 <video> |
| 71 <track src="captions-webvtt/invalidation.vtt" kind="captions" default> |
| 72 </video> |
| 73 <div></div> |
| 74 <div></div> |
| 75 </div> |
| 76 <div> |
| 77 <div></div> |
| 78 </div> |
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Chromium Code Reviews
Issue 684993007:
Support style invalidation for ::cue selectors. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master