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Add a new TraversalRestyleBehavior that represents the traversal is triggered by CSS rule changes.

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And propagate the new flag to servo if mRestyleForCSSRuleChanges is set.
This commit is contained in:
Hiroyuki Ikezoe 2017-05-19 13:15:54 +09:00
parent 1602edb04a
commit dd29fc1f68
2 changed files with 13 additions and 3 deletions
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7
ports/geckolib/glue.rs
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@ -103,7 +103,7 @@ use style::stylesheets::StylesheetLoader as StyleStylesheetLoader;
use style::supports::parse_condition_or_declaration;
use style::thread_state;
use style::timer::Timer;
use style::traversal::{ANIMATION_ONLY, FOR_RECONSTRUCT, UNSTYLED_CHILDREN_ONLY};
use style::traversal::{ANIMATION_ONLY, FOR_CSS_RULE_CHANGES, FOR_RECONSTRUCT, UNSTYLED_CHILDREN_ONLY};
use style::traversal::{resolve_style, DomTraversal, TraversalDriver, TraversalFlags};
use style::values::{CustomIdent, KeyframesName};
use style_traits::ToCss;
@ -252,10 +252,11 @@ pub extern "C" fn Servo_TraverseSubtree(root: RawGeckoElementBorrowed,
let traversal_flags = match (root_behavior, restyle_behavior) {
(Root::Normal, Restyle::Normal) |
(Root::Normal, Restyle::ForAnimationOnly)
=> TraversalFlags::empty(),
=> TraversalFlags::empty(),
(Root::UnstyledChildrenOnly, Restyle::Normal) |
(Root::UnstyledChildrenOnly, Restyle::ForAnimationOnly)
=> UNSTYLED_CHILDREN_ONLY,
=> UNSTYLED_CHILDREN_ONLY,
(Root::Normal, Restyle::ForCSSRuleChanges) => FOR_CSS_RULE_CHANGES,
(Root::Normal, Restyle::ForReconstruct) => FOR_RECONSTRUCT,
_ => panic!("invalid combination of TraversalRootBehavior and TraversalRestyleBehavior"),
};