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layout: Start using the new extensible RestyleDamage type from Stylo (#37592)

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This will allow Servo to add custom types of damage in the near future
which correspond to minor phases layout. The damage exposed by Stylo
only corresponds to the major layout phses. In the future, both phases
will likely be managed by Servo itself and implementors will need to
provide their own damage system entirely.

Testing: This shouldn't change behavior and thus is covered by existing
tests.

Stylo PR: https://github.com/servo/stylo/pull/207

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Martin Robinson 2025-06-26 16:10:48 +02:00 • committed by GitHub
parent a9dc2ac83a
commit 5286869b96
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GPG key ID: B5690EEEBB952194
6 changed files with 56 additions and 35 deletions
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12
components/script/layout_dom/element.rs
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@ -11,7 +11,7 @@ use embedder_traits::UntrustedNodeAddress;
use html5ever::{LocalName, Namespace, local_name, ns};
use js::jsapi::JSObject;
use layout_api::wrapper_traits::{LayoutNode, ThreadSafeLayoutElement, ThreadSafeLayoutNode};
use layout_api::{LayoutNodeType, StyleData};
use layout_api::{LayoutDamage, LayoutNodeType, StyleData};
use selectors::Element as _;
use selectors::attr::{AttrSelectorOperation, CaseSensitivity, NamespaceConstraint};
use selectors::bloom::{BLOOM_HASH_MASK, BloomFilter};
@ -26,10 +26,10 @@ use style::bloom::each_relevant_element_hash;
use style::context::SharedStyleContext;
use style::data::ElementData;
use style::dom::{DomChildren, LayoutIterator, TDocument, TElement, TNode, TShadowRoot};
use style::properties::PropertyDeclarationBlock;
use style::properties::{ComputedValues, PropertyDeclarationBlock};
use style::selector_parser::{
AttrValue as SelectorAttrValue, Lang, NonTSPseudoClass, PseudoElement, SelectorImpl,
extended_filtering,
AttrValue as SelectorAttrValue, Lang, NonTSPseudoClass, PseudoElement, RestyleDamage,
SelectorImpl, extended_filtering,
};
use style::shared_lock::Locked as StyleLocked;
use style::stylesheets::scope_rule::ImplicitScopeRoot;
@ -554,6 +554,10 @@ impl<'dom> style::dom::TElement for ServoLayoutElement<'dom> {
)
}
}
fn compute_layout_damage(_old: &ComputedValues, _new: &ComputedValues) -> RestyleDamage {
RestyleDamage::from_bits_retain(LayoutDamage::REBUILD_BOX.bits())
}
}
impl<'dom> ::selectors::Element for ServoLayoutElement<'dom> {