TPE-Layout/2017-05-23

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Weekly Announcement

  • Introducing Nightly soft code freeze - Ritu
    • Do:
      1. Be ready to backout patches that cause crash spikes, new crashes, severe regressions
      2. Monitor new regressions and escalate merge blockers
      3. Support release management to prioritize fixing merge blockers
    • Do Not:
      1. Land a risky patch or a large patch a week before Merge day
      2. Land new features a week before Merge day
      3. Flip prefs that enable new Features that were untested in Nightly cycle
      4. Plan to kick off new experiments

Weekly Sharing

Weekly Status

Astley Chen

  • (status-bot) Addressed https://github.com/astleychen/status-bot/issues/4.
  • bug 1338767 Invalid bug or security bug
    • (bug 1338767) revisit crash stat and is still a low volume crash. ni for help.
  • bug 1362412 ASSIGNED:: foofighters.com is still slow to animate
    • (bug 1362412)[qf] Need a follow-up in comment 16 to avoid overpainting in table frames.
  • bug 1362817 NEW:: Printing from FireFox 53.0 32-bit on Linux Mint 17 qiana xfce 32-bit the datetime on the page prints as 12/31/69. This is new as of my last update.
    • (bug 1362817) Reproducing on mint linux. macOS and Windows are fine.
  • bug 1362924 Invalid bug or security bug
    • (security bug 1362924) Fix potential reentry into DocumentViewer from call sites which includes nsAutoScriptBlocker.
  • bug 1352205 NEW:: Avoid running the refresh driver when the page is in background
    • (bug 1352205) what's the best solution to avoid refresh tick on background tab ?

Boris Chiou

  • Reviewed servo issue #16964 - stylo: Avoid FFI calls to get animation rules when known not-needed
  • bug 1361663 NEW:: stylo: The interpolated result of ServoAnimationValue is not equal to that of StyleAnimationValue
    • Debugged bug 1361663 - stylo: The interpolated result of ServoAnimationValue is not equal to that of StyleAnimationValue
  • bug 1292283 ASSIGNED:: stylo: Enable test_transitions_per_property.html
    • Investigated possible exception for bug 1292283 - stylo: Enable test_transitions_per_property.html
  • bug 1334036 RESOLVED::FIXED stylo: Support off-main-thread animations
    • Addressed comments and wrote a patch to trigger animation-only restyle while we have an event with coordinates for bug 1334036
    • Addressed comments and wrote a patch to trigger animation-only restyle while we have an event with coordinates for bug 1334036 - stylo: Support off-main-thread animations
    • Landed bug 1334036 - stylo: Support off-main-thread animations
  • bug 1329077 RESOLVED::FIXED Revert opening a new window hack for test_animation_performance_warning.html
    • Reviewed bug 1329077 - Revert opening a new window hack for test_animation_performance_warning.html
  • bug 1365855 NEW:: stylo: Trigger an animation-only restyle when we handle an event with coordinates for SMIL
    • Filed bug 1365855 - stylo: Trigger an animation-only restyle when we handle an event with coordinates for SMIL
  • bug 1301611 RESOLVED::FIXED Need test cases that changedAnimations is notified to mutation observers when keyframes are changed
    • Reviewed bug 1301611 - Need test cases that changedAnimations is notified to mutation observers when keyframes are changed
  • bug 1365091 RESOLVED::FIXED stylo: Enable transition-and-animation-with-different-durations.html
    • Reviewed bug 1365091 - stylo: Enable transition-and-animation-with-different-durations.html
  • bug 1366441 RESOLVED::FIXED Permaorange in test_animation_observers_sync.html when Gecko 55 merges to mozilla-beta on 2017-06-12
    • Landed bug 1366441 - Permaorange in test_animation_observers_sync.html when Gecko 55 merges to mozilla-beta on 2017-06-12
  • bug 1346049 RESOLVED::FIXED stylo: Enable reftestts for checking stacking context in layout/reftests/web-animations
    • Tested 100 trials for bug 1346049 - stylo: Enable reftestts for checking stacking context in layout/reftests/web-animations

Cameron McCormack

  • Submitted https://github.com/servo/servo/pull/16906
  • Updated patches for https://github.com/servo/servo/pull/16906
  • bug 1364863 RESOLVED::FIXED Don't force stylo reftest sandbox attribute at build-time
    • Reviewed bug 1364863
  • bug 1364845 RESOLVED::FIXED stylo: add support for a "re-run selector matching on children only" restyle hint
    • Landed bug 1289868 and bug 1364845
  • bug 1366144 RESOLVED::FIXED stylo: ::after pseudo element under a parent with transition didn't show up
    • Reviewed some more stuff over the weekend (bug 1366144, bug 1364871, bug 1363640, bug 1366142, bug 1366427)
  • bug 1364871 RESOLVED::FIXED stylo: Restyle ::-moz-list-bullet and ::-moz-list-number pseudo-elements (for nsBulletFrame)
    • Reviewed some more stuff over the weekend (bug 1366144, bug 1364871, bug 1363640, bug 1366142, bug 1366427)
  • bug 1345697 RESOLVED::FIXED stylo: Implement access to CSSKeyframesRule and CSSKeyframeRule
    • Reviewed bug 1345697
  • bug 1363640 NEW:: stylo: Enable stylo for XBL documents
    • Reviewed some more stuff over the weekend (bug 1366144, bug 1364871, bug 1363640, bug 1366142, bug 1366427)
  • bug 1365902 RESOLVED::FIXED stylo: Make RebuildAllStyleData asynchronous.
    • Reviewed bug 1365902
  • bug 1289868 RESOLVED::FIXED stylo: Use the result of CalcStyleDifference to cull parallel DOM traversal
    • Investigated some failures for bug 1289868
    • Landed bug 1289868 and bug 1364845
    • Uploaded new patches for bug 1289868
    • Uploaded patches for bug 1289868
  • bug 1364862 RESOLVED::FIXED stylo: Make PostRebuildAllStyleDataEvent do the style flush async.
    • Reviewed bug 1364862
  • bug 1366142 RESOLVED::FIXED stylo: Crash while clicking a line on waaark.com: Assertion failure: aFrame || (aHint & nsChangeHint_ReconstructFrame)
    • Reviewed some more stuff over the weekend (bug 1366144, bug 1364871, bug 1363640, bug 1366142, bug 1366427)
  • bug 1366427 NEW:: stylo: Backdrop pseudo should not inherit.
    • Reviewed some more stuff over the weekend (bug 1366144, bug 1364871, bug 1363640, bug 1366142, bug 1366427)
  • bug 1363482 NEW:: Pre-load files needed during startup on a background thread
    • Reviewed one patch of bug 1363482
  • bug 1339629 NEW:: stylo: ServoStyleSheets don't handle modification in the presence of cloned inners correctly
    • Reviewed bug 1339629
  • bug 1365831 RESOLVED::FIXED dynamic layout change that resizes conditionally processed outer SVG triggers "expected aContainer to be NS_FRAME_IS_DIRTY" assertion
    • Reviewed bug 1365831
  • bug 1364361 ASSIGNED:: stylo: AllChildrenIterator doesn't find NAC created by non-primary frames of elements
    • Reworking bug 1364361 patch for review comments
    • Uploaded new patch for bug 1364361
    • Uploaded new patches (again) for bug 1364361
  • bug 1364799 RESOLVED::FIXED stylo: Inserting new @keyframes rule doesn't trigger restyle
    • Reviewed one patch of bug 1364799
  • bug 1342289 NEW:: stylo: memory leak when creating sheets via script, dom/html/crashtests/795221-3.html
    • Reviewed bug 1342289
  • bug 1366657 NEW:: stylo: NS_ERROR_NOT_AVAILABLE occurs when modifying style for a keyframe rules obtained by cssom
    • Reviewed bug 1366657 (just now)
  • bug 1366709 NEW:: stylo: Parse :-moz-placeholder as a pseudo-class, but never match it.
    • Reviewed bug 1366709

CJ Ku

  • bug 1348490 ASSIGNED:: stylo: need support for ::-moz-placeholder pseudo element
    • Bug bug 1348490 update patch
  • bug 1205475 RESOLVED::FIXED nsIFrame::HasOpacityInternal takes a lot of time
    • Bug bug 1205475 WIP

Eric Tsai

  • Paternity leave (5 days)

Farmer Tseng

  • bug 1345789 NEW:: [Mortar] [Windows] setup an IPC between parent process and plugin process
    • Build PDFium library from Chromium, debuging garbage issue, Bug 1345789
    • Debug printing garbage while printing 1040 PDF form, Bug 1345789
    • Test WIP patches and debug issues, Bug 1345789
  • bug 1365814 NEW:: [JSPlugin] Can not generate PDF file while using "Microsoft Print to PDF" driver in Win10
    • Filed Bug 1365814

Jeremy Chen

  • bug 1056516 RESOLVED::FIXED presence of explicit soft-hyphen in a word should override automatic hyphenation
    • Reviewed MDN and release notes [Bug 1056516]
  • bug 1365900 ASSIGNED:: stylo: Parsing for @font-feature-values
    • Filed Bug 1365900 and uploaded a WIP
    • Updated wip [Bug 1365900]
    • Updated wip patch [Bug 1365900]
  • bug 1355721 ASSIGNED:: stylo: Implement @font-feature-values rule support
    • Figure ou the life time of Rust and keep working on parsing part [Bug 1355721]

Louis Chang

  • bug 1358347 - Implement back-end part of find whole-word function
    • WIP
  • bug 1347440 - Integrate building rpc.cc into mozbuild instead of checking it into m-c
    • Address glandium's comment & discuss with glandium
  • bug 1365814 - Can not generate PDF file while using "Microsoft Print to PDF" driver in Win10
    • WIP
  • bug 1246741 - Add more test case for basic shapes clipping in SVG content
    • Study

Shing Lyu

Ting-Yu Lin

  • Submit PR to fix a wrong debug message https://github.com/servo/servo/pull/16918
  • bug 1290276 NEW:: stylo: XBL <stylesheet> support
    • Upload WIP patches for bug 1290276.
  • bug 1365390 NEW:: Intermittent w3c-css/submitted/shapes1/shape-outside-ellipse-050.html | application timed out after 330 seconds with no output
    • Reply needinfo for bug 1365390
  • bug 1366163 NEW:: stylo: rendering of <video controls> and <audio controls> is wrong
    • File bug 1366162 and bug 1366163.
  • bug 1366162 NEW:: stylo: support -moz-context-properties
    • File bug 1366162 and bug 1366163.
  • bug 1312328 RESOLVED::FIXED Remove CSS pref "layout.css.variables.enabled"
    • Reviewed documentation changes for bug 1326409 and bug 1312328.
  • bug 1363382 NEW:: Firefox hang
    • Replay needinfo for bug 1363382
  • bug 1326409 RESOLVED::FIXED Implement the rendering of basic shape polygon() for CSS shape-outside
    • Reviewed documentation changes for bug 1326409 and bug 1312328.

Tommy Kuo

  • bug 1358993 ASSIGNED:: stylo: ServoStyleSheet::ParseSheet should disconnect child sheets / mRuleList, and re-use child sheets
    • Can get import rule from servo, and try to get the imported sheet (bug bug 1358993)
    • Finished the first version of patches and ask feedback (bug bug 1358993).
    • Refactor LoaderReusableStyleSheets to store StyleSheet objects. (bug bug 1358993)

Ya-Chieh Wu

  • bug 1360494 RESOLVED::FIXED [Mortar] 'stage-package' failed after adding '--enable-mortar' configuration
    • Land Bug bug 1360494

Rule of Thumb

Status code:

  • OOAD: In analysis or design phase.
  • WIP: working on WIP patch.
  • feedback(f): feedback a patch
  • feedback?(f?): WIP is ready for feedback grant.
  • feedback+(f+): Get positive feedback.
  • feedback-(f-): Get negative feedback.
  • review(r): review a patch.
  • review?(r?): patch is under review
  • review+(r+): get review+ and ready to check-in
  • review-(r-): get negative review feedback. Fix problems and switch back to r? again.
  • land: patch check in.
  • debug: Figure out the root cause of a bug/ try to repro that bug, etc...
  • file: file a bug
  • PTO: take personal leave
  • interview(I)
  • study: Spend time on domain knowledge study, such as multimedia transport technology, compress format, real-time rendering.
  • presentation
    • Write a personal blog, which is relative to work, such as articles on MozTech, or what you experience in a work week.
    • WIKI/ MDN article writing.
    • If you write a technical blog or anything relative to work, it's welcome to share it on weekly report.
    • Do a presentation of technical topics
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