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[web] Fix error in ClickDebouncer when using VoiceOver #174046
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Code Review
This pull request addresses an error in ClickDebouncer when using VoiceOver, where multiple pointer events could be fired within the same event loop. The fix introduces a two-phase initialization for the debouncer state. The state is now created immediately on pointerdown to queue subsequent events, while the actual debouncing timer is started asynchronously at the end of the event loop. This is a clean solution that correctly handles the race condition without affecting existing behavior for Safari. The changes are well-tested, with existing tests updated and a new test added to cover the specific bug scenario. The implementation looks solid.
harryterkelsen
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LGTM
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autosubmit label was removed for flutter/flutter/174046, because - The status or check suite Linux linux_android_emulator_tests has failed. Please fix the issues identified (or deflake) before re-applying this label. |
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Failed to create CP due to merge conflicts. |
…9862) Manual roll Flutter from e65380a22076 to 960d1078f876 (36 revisions) Manual roll requested by [email protected] flutter/flutter@e65380a...960d107 2025-08-20 98614782+auto-submit[bot]@users.noreply.github.com Reverts "Reapply "Add set semantics enabled API and wire iOS a11y bridge (#161… (#171198)" (flutter/flutter#174153) 2025-08-20 [email protected] Make sure that a Badge doesn't crash in 0x0 environment (flutter/flutter#172065) 2025-08-20 [email protected] Make sure that CalendarDatePicker & YearPicker don't crash in 0x0 environment (flutter/flutter#173408) 2025-08-20 [email protected] Roll Packages from 953cae0 to 58c02e0 (2 revisions) (flutter/flutter#174142) 2025-08-20 [email protected] Make sure that a CircleAvatar doesn't crash in 0x0 environment (flutter/flutter#173498) 2025-08-20 [email protected] Roll Dart SDK from 0d674ff61e2e to 0d0a0c394381 (1 revision) (flutter/flutter#174126) 2025-08-20 [email protected] [Android] Fix version code override calculation in FlutterPlugin (flutter/flutter#174081) 2025-08-20 [email protected] Make sure that a BackButton doesn't crash in 0x0 environment (flutter/flutter#172817) 2025-08-20 [email protected] Roll Dart SDK from c5f5a32df36c to 0d674ff61e2e (1 revision) (flutter/flutter#174099) 2025-08-20 [email protected] feat: Added FocusNode prop for DropdownMenu Trailing Icon Button (flutter/flutter#172753) 2025-08-20 [email protected] Make component theme data defaults use `WidgetStateProperty` (flutter/flutter#173893) 2025-08-20 [email protected] Fix Menu anchor reduce padding on web and desktop (flutter/flutter#172691) 2025-08-20 [email protected] Roll Skia from 4b788d0e5e63 to 721e68fe652a (2 revisions) (flutter/flutter#174095) 2025-08-20 [email protected] Fix time picker period selector a11y touch targets (flutter/flutter#170060) 2025-08-20 [email protected] Fix SegmentedButton focus issue (flutter/flutter#173953) 2025-08-20 [email protected] Roll Dart SDK from e936404543f1 to c5f5a32df36c (1 revision) (flutter/flutter#174089) 2025-08-20 [email protected] Roll Skia from 953bfc0e2f2a to 4b788d0e5e63 (1 revision) (flutter/flutter#174086) 2025-08-19 [email protected] Roll Skia from 07d71ea4d056 to 953bfc0e2f2a (18 revisions) (flutter/flutter#174072) 2025-08-19 [email protected] Roll Dart SDK from 9105d946af95 to e936404543f1 (5 revisions) (flutter/flutter#174074) 2025-08-19 [email protected] NavigationRail correct traversal order (flutter/flutter#173891) 2025-08-19 [email protected] Update CupertinoSliverNavigationBar.middle (flutter/flutter#173868) 2025-08-19 [email protected] Update the AccessibilityPlugin::Announce method to account for the view (flutter/flutter#172669) 2025-08-19 [email protected] [ Widget Preview ] Report an error if a web device is unavailable (flutter/flutter#174036) 2025-08-19 [email protected] [web] Fix error in ClickDebouncer when using VoiceOver (flutter/flutter#174046) 2025-08-19 [email protected] [ Tool ] Add logging to test_adapter_test.dart (flutter/flutter#174073) 2025-08-19 [email protected] Roll Fuchsia Linux SDK from n0EnLlotF2wczlOq_... to V1A1J6uXZ62Q10i9u... (flutter/flutter#174059) 2025-08-19 [email protected] Cleanup legacy `bringup: true` tasks, either removing or enabling (flutter/flutter#173815) 2025-08-19 [email protected] Add Shift+Enter shortcut example for TextField. (flutter/flutter#167952) 2025-08-19 [email protected] Check that the windows architecture is 64-bit and not the process architecture (flutter/flutter#174019) 2025-08-19 [email protected] Improve Stack widget error message for bounded constraints (flutter/flutter#173352) 2025-08-19 [email protected] [VPAT][A11y] AutoComplete dropdown option is missing button role (flutter/flutter#173297) 2025-08-19 [email protected] fix: Android build fails when minSdk is set below 24 in build.gradle.kts (#173823) (flutter/flutter#173825) 2025-08-19 [email protected] Reapply "Add set semantics enabled API and wire iOS a11y bridge (#161… (flutter/flutter#171198) 2025-08-19 [email protected] fix: only use library props for libraries (flutter/flutter#172704) 2025-08-19 [email protected] Roll Packages from 5c52c55 to 953cae0 (22 revisions) (flutter/flutter#174040) 2025-08-19 [email protected] Add `open_jdk` to `Linux linux_android_emulator.debug_x64` (flutter/flutter#173989) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected],[email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose ...
When using VoiceOver, clicking the button through `ctrl+opt+space` causes the browser to send `pointerdown`, `pointerup` and `click` events successively within the same event loop. This case wasn't handled correct by the recent `ClickDebouncer` change here: flutter#172995 More details: We currently wait until the end of the event loop to set the `ClickDebouncer`'s state. When other events arrive before the end of the event loop, they expect the `state` to already be set. The fix is to set the `state` immediately to allow events to be queued right away, but still keep the debouncing delayed until the end of the event loop so that Safari continues to work correctly (issue: flutter#172180) Fixes flutter#173741
When using VoiceOver, clicking the button through `ctrl+opt+space` causes the browser to send `pointerdown`, `pointerup` and `click` events successively within the same event loop. This case wasn't handled correct by the recent `ClickDebouncer` change here: flutter#172995 More details: We currently wait until the end of the event loop to set the `ClickDebouncer`'s state. When other events arrive before the end of the event loop, they expect the `state` to already be set. The fix is to set the `state` immediately to allow events to be queued right away, but still keep the debouncing delayed until the end of the event loop so that Safari continues to work correctly (issue: flutter#172180) Fixes flutter#173741
When using VoiceOver, clicking the button through `ctrl+opt+space` causes the browser to send `pointerdown`, `pointerup` and `click` events successively within the same event loop. This case wasn't handled correct by the recent `ClickDebouncer` change here: flutter#172995 More details: We currently wait until the end of the event loop to set the `ClickDebouncer`'s state. When other events arrive before the end of the event loop, they expect the `state` to already be set. The fix is to set the `state` immediately to allow events to be queued right away, but still keep the debouncing delayed until the end of the event loop so that Safari continues to work correctly (issue: flutter#172180) Fixes flutter#173741
When using VoiceOver, clicking the button through `ctrl+opt+space` causes the browser to send `pointerdown`, `pointerup` and `click` events successively within the same event loop. This case wasn't handled correct by the recent `ClickDebouncer` change here: flutter#172995 More details: We currently wait until the end of the event loop to set the `ClickDebouncer`'s state. When other events arrive before the end of the event loop, they expect the `state` to already be set. The fix is to set the `state` immediately to allow events to be queued right away, but still keep the debouncing delayed until the end of the event loop so that Safari continues to work correctly (issue: flutter#172180) Fixes flutter#173741
When using VoiceOver, clicking the button through `ctrl+opt+space` causes the browser to send `pointerdown`, `pointerup` and `click` events successively within the same event loop. This case wasn't handled correct by the recent `ClickDebouncer` change here: flutter#172995 More details: We currently wait until the end of the event loop to set the `ClickDebouncer`'s state. When other events arrive before the end of the event loop, they expect the `state` to already be set. The fix is to set the `state` immediately to allow events to be queued right away, but still keep the debouncing delayed until the end of the event loop so that Safari continues to work correctly (issue: flutter#172180) Fixes flutter#173741
When using VoiceOver, clicking the button through `ctrl+opt+space` causes the browser to send `pointerdown`, `pointerup` and `click` events successively within the same event loop. This case wasn't handled correct by the recent `ClickDebouncer` change here: flutter#172995 More details: We currently wait until the end of the event loop to set the `ClickDebouncer`'s state. When other events arrive before the end of the event loop, they expect the `state` to already be set. The fix is to set the `state` immediately to allow events to be queued right away, but still keep the debouncing delayed until the end of the event loop so that Safari continues to work correctly (issue: flutter#172180) Fixes flutter#173741
When using VoiceOver, clicking the button through
ctrl+opt+spacecauses the browser to sendpointerdown,pointerupandclickevents successively within the same event loop. This case wasn't handled correct by the recentClickDebouncerchange here: #172995More details:
We currently wait until the end of the event loop to set the
ClickDebouncer's state. When other events arrive before the end of the event loop, they expect thestateto already be set.The fix is to set the
stateimmediately to allow events to be queued right away, but still keep the debouncing delayed until the end of the event loop so that Safari continues to work correctly (issue: #172180)Fixes #173741