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style: Fix various issues with XBL rule matching.

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We were using the wrong MatchingMode and flags setter just because we didn't
bother threading them down.

This patch fixes the issue seen with the video controls.

MozReview-Commit-ID: Il1WOzRDxI1
Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>
This commit is contained in:
Emilio Cobos Álvarez 2017-09-27 13:27:51 +02:00
parent d82e6926fc
commit 19d34b96e5
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GPG key ID: 056B727BB9C1027C
2 changed files with 21 additions and 61 deletions
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19
components/style/dom.rs
View file

@ -26,7 +26,6 @@ use selectors::matching::{ElementSelectorFlags, VisitedHandlingMode};
use selectors::sink::Push;
use servo_arc::{Arc, ArcBorrow};
use shared_lock::Locked;
use smallvec::VecLike;
use std::fmt;
#[cfg(feature = "gecko")] use hash::HashMap;
use std::fmt::Debug;
@ -648,24 +647,6 @@ pub trait TElement : Eq + PartialEq + Debug + Hash + Sized + Copy + Clone +
false
}
/// Gets declarations from XBL bindings from the element.
fn get_declarations_from_xbl_bindings<V>(
&self,
pseudo_element: Option<&PseudoElement>,
applicable_declarations: &mut V
) -> bool
where
V: Push<ApplicableDeclarationBlock> + VecLike<ApplicableDeclarationBlock>
{
self.each_xbl_stylist(|stylist| {
stylist.push_applicable_declarations_as_xbl_only_stylist(
self,
pseudo_element,
applicable_declarations
);
})
}
/// Gets the current existing CSS transitions, by |property, end value| pairs in a HashMap.
#[cfg(feature = "gecko")]
fn get_css_transitions_info(&self)

63
components/style/stylist.rs
View file

@ -1015,10 +1015,12 @@ impl Stylist {
let mut inputs = CascadeInputs::default();
let mut declarations = ApplicableDeclarationList::new();
let mut matching_context =
MatchingContext::new(MatchingMode::ForStatelessPseudoElement,
None,
None,
self.quirks_mode);
MatchingContext::new(
MatchingMode::ForStatelessPseudoElement,
None,
None,
self.quirks_mode,
);
self.push_applicable_declarations(
element,
@ -1181,39 +1183,6 @@ impl Stylist {
self.quirks_mode = quirks_mode;
}
/// Returns the applicable CSS declarations for the given element by
/// treating us as an XBL stylesheet-only stylist.
pub fn push_applicable_declarations_as_xbl_only_stylist<E, V>(
&self,
element: &E,
pseudo_element: Option<&PseudoElement>,
applicable_declarations: &mut V
)
where
E: TElement,
V: Push<ApplicableDeclarationBlock> + VecLike<ApplicableDeclarationBlock>,
{
let mut matching_context =
MatchingContext::new(MatchingMode::Normal, None, None, self.quirks_mode);
let mut dummy_flag_setter = |_: &E, _: ElementSelectorFlags| {};
let rule_hash_target = element.rule_hash_target();
// nsXBLPrototypeResources::LoadResources() loads Chrome XBL style
// sheets under eAuthorSheetFeatures level.
if let Some(map) = self.cascade_data.author.borrow_for_pseudo(pseudo_element) {
map.get_all_matching_rules(
element,
&rule_hash_target,
applicable_declarations,
&mut matching_context,
self.quirks_mode,
&mut dummy_flag_setter,
CascadeLevel::XBL,
);
}
}
/// Returns the applicable CSS declarations for the given element.
///
/// This corresponds to `ElementRuleCollector` in WebKit.
@ -1303,11 +1272,21 @@ impl Stylist {
}
// Step 3b: XBL rules.
let cut_off_inheritance =
element.get_declarations_from_xbl_bindings(
pseudo_element,
applicable_declarations,
);
let cut_off_inheritance = element.each_xbl_stylist(|stylist| {
// ServoStyleSet::CreateXBLServoStyleSet() loads XBL style sheets
// under eAuthorSheetFeatures level.
if let Some(map) = stylist.cascade_data.author.borrow_for_pseudo(pseudo_element) {
map.get_all_matching_rules(
element,
&rule_hash_target,
applicable_declarations,
context,
self.quirks_mode,
flags_setter,
CascadeLevel::XBL,
);
}
});
if rule_hash_target.matches_user_and_author_rules() && !only_default_rules {
// Gecko skips author normal rules if cutting off inheritance.