dom: Implement minimal IntersectionObserver workflow (#35551)

* Add very rough implemnentation of observation steps

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix entry reflection and propagate can_gc

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix BorrowError and add fragment find descendant

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Implement is descendant in containing block path correctly

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix unrooted error and tidy issues

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix comments

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Remove is descendant of other node query

I suppose these changes is better separated to other PRs.

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix intersection and refactor registration

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Use AppUnit more and propagate GlobalScope better

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Update WPT expectations

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Revert delay changes

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Align compute intersection algo to other browser actual behavior

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Align processing documents and note several issues

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Update WPT

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Minor lint

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix top level browsing context

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Make Registration rootable

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Avoid reflow inside observation step algo

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Using borrow for iterating registration

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix document disconnect

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Update WPT

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Address comments and minor quality suggestions

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Root the observer before nofifying any of it

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Tidy docs

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Account not found element and refactor observation step

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix documentations

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Ignore position of document viewport

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Refactor root intersection rectangle

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Add can GC note to the callback

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix top-level browsing context term

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix minor comments

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

---------

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>
This commit is contained in:
Steven Novaryo 2025-03-18 19:09:44 +08:00 committed by GitHub
parent 2113e54819
commit 67a5f285ed
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48 changed files with 850 additions and 175 deletions

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@ -40,6 +40,8 @@ pub(crate) enum TaskSourceName {
Timer,
/// <https://www.w3.org/TR/gamepad/#dfn-gamepad-task-source>
Gamepad,
/// <https://w3c.github.io/IntersectionObserver/#intersectionobserver-task-source>
IntersectionObserver,
}
impl From<TaskSourceName> for ScriptThreadEventCategory {
@ -62,6 +64,7 @@ impl From<TaskSourceName> for ScriptThreadEventCategory {
TaskSourceName::WebSocket => ScriptThreadEventCategory::WebSocketEvent,
TaskSourceName::Timer => ScriptThreadEventCategory::TimerEvent,
TaskSourceName::Gamepad => ScriptThreadEventCategory::InputEvent,
TaskSourceName::IntersectionObserver => ScriptThreadEventCategory::ScriptEvent,
}
}
}