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style: Cleanup always-false argument to Servo_ResolveStyleLazily.

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I changed this setup in https://bugzilla.mozilla.org/show_bug.cgi?id=1414999,
because it was totally unsound.
This commit is contained in:
Emilio Cobos Álvarez 2018-02-20 12:59:21 +01:00
parent a98da8ce93
commit 94b687306f
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GPG key ID: 056B727BB9C1027C
3 changed files with 4 additions and 10 deletions
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2
components/layout/query.rs
View file

@ -693,7 +693,7 @@ pub fn process_resolved_style_request<'a, N>(context: &LayoutContext,
thread_local: &mut tlc,
};
let styles = resolve_style(&mut context, element, RuleInclusion::All, false, pseudo.as_ref());
let styles = resolve_style(&mut context, element, RuleInclusion::All, pseudo.as_ref());
let style = styles.primary();
let longhand_id = match *property {
PropertyId::LonghandAlias(id, _) |

4
components/style/traversal.rs
View file

@ -300,7 +300,6 @@ pub fn resolve_style<E>(
context: &mut StyleContext<E>,
element: E,
rule_inclusion: RuleInclusion,
ignore_existing_style: bool,
pseudo: Option<&PseudoElement>,
) -> ElementStyles
where
@ -309,7 +308,6 @@ where
use style_resolver::StyleResolverForElement;
debug_assert!(rule_inclusion == RuleInclusion::DefaultOnly ||
ignore_existing_style ||
pseudo.map_or(false, |p| p.is_before_or_after()) ||
element.borrow_data().map_or(true, |d| !d.has_styles()),
"Why are we here?");
@ -321,7 +319,7 @@ where
let mut style = None;
let mut ancestor = element.traversal_parent();
while let Some(current) = ancestor {
if rule_inclusion == RuleInclusion::All && !ignore_existing_style {
if rule_inclusion == RuleInclusion::All {
if let Some(data) = current.borrow_data() {
if let Some(ancestor_style) = data.styles.get_primary() {
style = Some(ancestor_style.clone());

8
ports/geckolib/glue.rs
View file

@ -3646,7 +3646,6 @@ pub extern "C" fn Servo_ResolveStyleLazily(
rule_inclusion: StyleRuleInclusion,
snapshots: *const ServoElementSnapshotTable,
raw_data: RawServoStyleSetBorrowed,
ignore_existing_styles: bool,
) -> ServoStyleContextStrong {
debug_assert!(!snapshots.is_null());
let global_style_data = &*GLOBAL_STYLE_DATA;
@ -3678,14 +3677,12 @@ pub extern "C" fn Servo_ResolveStyleLazily(
let is_before_or_after = pseudo.as_ref().map_or(false, |p| p.is_before_or_after());
// In the common case we already have the style. Check that before setting
// up all the computation machinery. (Don't use it when we're getting
// default styles or in a bfcached document (as indicated by
// ignore_existing_styles), though.)
// up all the computation machinery.
//
// Also, only probe in the ::before or ::after case, since their styles may
// not be in the `ElementData`, given they may exist but not be applicable
// to generate an actual pseudo-element (like, having a `content: none`).
if rule_inclusion == RuleInclusion::All && !ignore_existing_styles {
if rule_inclusion == RuleInclusion::All {
let styles = element.mutate_data().and_then(|d| {
if d.has_styles() {
finish(&d.styles, is_before_or_after)
@ -3714,7 +3711,6 @@ pub extern "C" fn Servo_ResolveStyleLazily(
&mut context,
element,
rule_inclusion,
ignore_existing_styles,
pseudo.as_ref()
);