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style: Add infrastructure for non-eagerly-cascaded pseudo-elements

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This commit also removes StylistWrapper and uses Arc::get_mut instead.
This commit is contained in:
Emilio Cobos Álvarez 2016-04-22 16:05:41 +02:00
parent 2dacbc6fb3
commit b6402a81d0
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GPG key ID: 056B727BB9C1027C
11 changed files with 188 additions and 78 deletions
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14
components/style/dom.rs
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@ -8,7 +8,8 @@ use data::PrivateStyleData;
use element_state::ElementState;
use properties::{ComputedValues, PropertyDeclaration, PropertyDeclarationBlock};
use restyle_hints::{ElementSnapshot, RESTYLE_DESCENDANTS, RESTYLE_LATER_SIBLINGS, RESTYLE_SELF, RestyleHint};
use selector_impl::ElementExt;
use selector_impl::{ElementExt, SelectorImplExt};
use selector_matching::PrecomputedStyleData;
use selectors::Element;
use selectors::matching::DeclarationBlock;
use smallvec::VecLike;
@ -89,7 +90,10 @@ pub trait TNode : Sized + Copy + Clone {
/// initialized.
///
/// FIXME(pcwalton): Do this as part of fragment building instead of in a traversal.
fn initialize_data(self);
fn initialize_data(self,
precomputed: &Arc<PrecomputedStyleData<<Self::ConcreteElement as Element>::Impl,
Self::ConcreteComputedValues>>)
where <Self::ConcreteElement as Element>::Impl: SelectorImplExt;
/// While doing a reflow, the node at the root has no parent, as far as we're
/// concerned. This method returns `None` at the reflow root.
@ -137,19 +141,19 @@ pub trait TNode : Sized + Copy + Clone {
#[inline(always)]
unsafe fn borrow_data_unchecked(&self)
-> Option<*const PrivateStyleData<<Self::ConcreteElement as Element>::Impl,
Self::ConcreteComputedValues>>;
Self::ConcreteComputedValues>>;
/// Borrows the PrivateStyleData immutably. Fails on a conflicting borrow.
#[inline(always)]
fn borrow_data(&self)
-> Option<Ref<PrivateStyleData<<Self::ConcreteElement as Element>::Impl,
Self::ConcreteComputedValues>>>;
Self::ConcreteComputedValues>>>;
/// Borrows the PrivateStyleData mutably. Fails on a conflicting borrow.
#[inline(always)]
fn mutate_data(&self)
-> Option<RefMut<PrivateStyleData<<Self::ConcreteElement as Element>::Impl,
Self::ConcreteComputedValues>>>;
Self::ConcreteComputedValues>>>;
/// Get the description of how to account for recent style changes.
fn restyle_damage(self) -> Self::ConcreteRestyleDamage;