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At the moment, layout panics if it discovers an iframe without a nested browsing context. Under normal circumstances, this is reasonable, but it requires very tight synchronization between script, layout, the constellation and the compositor. In particular, if a layout is in progress when an iframe's browsing context is discarded, this can trigger panic.
This PR fixes this in two ways:
1. Making the pipeline and browsing context ids optional in layout's representation of an iframe.
2. Shutting down layout before discarding a browsing context, rather than after.
This is belt and braces.
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Source-Revision: c48ef50b7260df7f2e781e15bba37b08f0970062
This allows us to simplify a lot of code.
On top of #18267.
Source-Repo: https://github.com/servo/servo
Source-Revision: 473934c989c94773c38f585b1c4500cd8c811738
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Automatically verify that derive() lists are alphabetically ordered #18172
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Source-Revision: 474369618965569407d127b1e8c481e757cc59d3
I need this to compute the proper insertion point for a given stylesheet.
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Source-Revision: a087fee4b4daa76c7e1677b0adae512fb6c87d04
The `stylearc` alias is left there temporarilly and will be removed completely in a later commit/PR where also `components/style/gecko/generated/structs_{debug|release}.rs` are re-generated (they still use the old alias).
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Relies on #17614
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Initial work for implementing custom element reactions: https://html.spec.whatwg.org/multipage/custom-elements.html#custom-element-reactions
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Source-Revision: 7b134440fc736450cc87470a78e94f80b9161679
**Can't run WPT on my computer, so pushing here to run tests 😢**
Have CharacterData.SetData call children_changed on its parent when
data is set (if it is a Text node) so that HTMLStyleElement parents can
re-parse. Add variant ChildrenMutation::Text for it to use as the
mutation.
This fixes an issue where an empty <style> element's data is set but the
style is not updated. An HTMLStyleElement parent re-parses in its
children_changed implementation.
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This implements the CE-related steps when creating elements. `is` is now support by `document.createElement` and is stored on `Element`s. Only synchronously created autonomous elements are supported as async element creation and customized built-in elements both require custom element upgrade reactions.
Spec: https://dom.spec.whatwg.org/#concept-create-element
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- [x] `./mach build -d` does not report any errors (kinda, need webrender published and Cargo.toml fixed up)
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Source-Revision: 18653f69581693a5bae1ce4e350e78bc16159b08
Reviewed by bholley and emilo on the bugzilla bug.
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Source-Revision: ddfe8b0468dcd57cc5f98cca5c5ba31134c04719
This requires https://github.com/servo/rust-cssparser/pull/143 for the final commit. There's no better way to split that work up, unfortunately, and it's extremely easy to bitrot. I would appreciate if we could expedite reviewing this work.
This is the work necessary to enable https://bugzilla.mozilla.org/show_bug.cgi?id=1352669. It makes sense to merge it separately because it's so much effort to keep it up to date with the ongoing Stylo work.
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Source-Revision: 061cb5f48e5c93a5decf39e530aea4a566e97341
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Added a `TopLevelBrowsingContextId` type, which is a subtype of `BrowsingContextId` that only refers to top-level browsing contexts.
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Implement MutationObserver childList mutations
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Source-Revision: 323760f47e79b49ef8db4484cca1969bc26b5413
Rebased from #16668.
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Source-Revision: 5da0aa9f11b7b1c2dc8b5adf178eebafa92d1849
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Now that script has `WindowProxy` rather than `BrowsingContext` objects, we can rename `Frame` in the constellation to `BrowsingContext`. In particular, this means that `FrameId`s are now `BrowsingContextid`s, which better captures their purpose (and they are used in a lot of places, not just the constellation).
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This ensures that we can pass a node address as part of the asynchronous
transition end notification, making it safe to fire the corresponding
DOM event on the node from the script thread. Without explicitly rooting
this node when the transition starts, we risk the node being GCed before
the transition is complete.
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…so with proper alignment.
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Source-Revision: 195100f3cac99b979e25157eb437e63bd3262e6f
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This PR adds a serializable type `ImmutableOrigin` and a non-serializable type `MutableOrigin`. The immutable type represents an origin with `null` domain, and the mutable type represents an origin with a mutable domain. This separation is needed for implementing setting `document.domain`.
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This PR allows different `Window` objects in the same browsing context to share a `BrowsingContext` object.
SpiderMonkey requires a `WindowProxy` object to be in the same compartment as its `Window`, so when a `WindowProxy` changes `Window`, we have to brain-transplant it. In turn this requires the reflector of a `BrowsingContext` to be mutable.
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Source-Revision: 67c182638253211553161495cd2e4570002fd5bc
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This PR replaces the current freeze/thaw mechanism by messages from the constellation to script informing it about when documents become inactive, active or fully active.
This means we can now implement |Document::is_active()| which is used in |document.write|.
This PR also changes how timers work: previously they were initialized running, and were then frozen/thawed. This means there was a transitory period when timers were running even though the document was not fully active. With this PR, timers are initially suspended, and are only resumed when the document is made fully active.
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Source-Revision: b5c94bad371114ab9f03e910f66c00a042997fc2
I just noticed one while writing #14719, and then grepped and couldn't stop.
r? @nox
Source-Repo: https://github.com/servo/servo
Source-Revision: 7fc9047d22147cf419d2551350421e23105e6f0e
This is no longer used since one of @bholley's patches to the style system.
Source-Repo: https://github.com/servo/servo
Source-Revision: b843be49752c68926521a8b5f6b0405b1ff01e9b
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This patch exposes the Quirks (NoQuirks/LimitedQuirks/Quirks) state to the layout subsystem.
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Prelimary work for issue #11704.
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(Waiting for guidance of where/which tests I could do here)
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