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Add support for canceling CSS transitions

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This change adds support for canceling CSS transitions when a property
is no longer transitionable or when an element becomes styled with
display:none. Support for canceling and replacing CSS transitions when
the end value changes is still pending. This change also takes advantage
of updating the constellation message to fix a bug where transition
events could be sent for closed pipelines.

Fixes #15079.
This commit is contained in:
Martin Robinson 2020-04-21 16:32:53 +02:00
parent 99cd30eaad
commit 453b252a65
15 changed files with 351 additions and 153 deletions
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1
components/script/dom/macros.rs
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@ -496,6 +496,7 @@ macro_rules! global_event_handlers(
event_handler!(suspend, GetOnsuspend, SetOnsuspend);
event_handler!(timeupdate, GetOntimeupdate, SetOntimeupdate);
event_handler!(toggle, GetOntoggle, SetOntoggle);
event_handler!(transitioncancel, GetOntransitioncancel, SetOntransitioncancel);
event_handler!(transitionend, GetOntransitionend, SetOntransitionend);
event_handler!(volumechange, GetOnvolumechange, SetOnvolumechange);
event_handler!(waiting, GetOnwaiting, SetOnwaiting);

1
components/script/dom/webidls/EventHandler.webidl
View file

@ -93,6 +93,7 @@ interface mixin GlobalEventHandlers {
// https://drafts.csswg.org/css-transitions/#interface-globaleventhandlers-idl
partial interface mixin GlobalEventHandlers {
attribute EventHandler ontransitionend;
attribute EventHandler ontransitioncancel;
};
// https://w3c.github.io/selection-api/#extensions-to-globaleventhandlers-interface