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style: Implement a more fine-grained invalidation method.

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This commit also removes the old restyle_hints module and splits it into
multiple modules under components/style/invalidation/element/.

The basic approach is to walk down the tree using compound selectors as needed,
in order to do as little selector-matching as possible.

Bug: 1368240
MozReview-Commit-ID: 2YO8fKFygZI
This commit is contained in:
Emilio Cobos Álvarez 2017-06-13 11:03:06 +02:00
parent fd10729941
commit cb06375fe2
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GPG key ID: 056B727BB9C1027C
21 changed files with 1673 additions and 1486 deletions
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6
components/script/dom/document.rs
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@ -131,7 +131,7 @@ use std::rc::Rc;
use std::time::{Duration, Instant};
use style::attr::AttrValue;
use style::context::{QuirksMode, ReflowGoal};
use style::restyle_hints::{RestyleHint, RESTYLE_STYLE_ATTRIBUTE};
use style::invalidation::element::restyle_hints::{RestyleHint, RESTYLE_SELF, RESTYLE_STYLE_ATTRIBUTE};
use style::selector_parser::{RestyleDamage, Snapshot};
use style::shared_lock::SharedRwLock as StyleSharedRwLock;
use style::str::{HTML_SPACE_CHARACTERS, split_html_space_chars, str_join};
@ -2376,14 +2376,14 @@ impl Document {
entry.snapshot = Some(Snapshot::new(el.html_element_in_html_document()));
}
if attr.local_name() == &local_name!("style") {
entry.hint.insert(RestyleHint::for_replacements(RESTYLE_STYLE_ATTRIBUTE));
entry.hint.insert(RESTYLE_STYLE_ATTRIBUTE);
}
// FIXME(emilio): This should become something like
// element.is_attribute_mapped(attr.local_name()).
if attr.local_name() == &local_name!("width") ||
attr.local_name() == &local_name!("height") {
entry.hint.insert(RestyleHint::for_self());
entry.hint.insert(RESTYLE_SELF);
}
let mut snapshot = entry.snapshot.as_mut().unwrap();