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Remove borrow_data and mutate_data from TNode.

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The new restyle architecture doesn't store these things in consistent
places, so we need a more abstract API.
This commit is contained in:
Bobby Holley 2016-10-09 13:37:57 -07:00 • committed by Michael Howell
parent ddbc016f51
commit bfbbef6ecd
9 changed files with 115 additions and 84 deletions
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30
components/script/layout_wrapper.rs
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@ -60,7 +60,7 @@ use style::atomic_refcell::{AtomicRef, AtomicRefCell, AtomicRefMut};
use style::attr::AttrValue;
use style::computed_values::display;
use style::context::SharedStyleContext;
use style::data::PersistentStyleData;
use style::data::{PersistentStyleData, PseudoStyles};
use style::dom::{LayoutIterator, NodeInfo, OpaqueNode, PresentationalHintsSynthetizer, TDocument, TElement, TNode};
use style::dom::UnsafeNode;
use style::element_state::*;
@ -107,6 +107,14 @@ impl<'ln> ServoLayoutNode<'ln> {
}
}
pub fn borrow_data(&self) -> Option<AtomicRef<PersistentStyleData>> {
self.get_style_data().map(|d| d.borrow())
}
pub fn mutate_data(&self) -> Option<AtomicRefMut<PersistentStyleData>> {
self.get_style_data().map(|d| d.borrow_mut())
}
fn script_type_id(&self) -> NodeTypeId {
unsafe {
self.node.type_id_for_layout()
@ -234,12 +242,24 @@ impl<'ln> TNode for ServoLayoutNode<'ln> {
old_value - 1
}
fn borrow_data(&self) -> Option<AtomicRef<PersistentStyleData>> {
self.get_style_data().map(|d| d.borrow())
fn get_existing_style(&self) -> Option<Arc<ComputedValues>> {
self.borrow_data().and_then(|x| x.style.clone())
}
fn mutate_data(&self) -> Option<AtomicRefMut<PersistentStyleData>> {
self.get_style_data().map(|d| d.borrow_mut())
fn set_style(&self, style: Option<Arc<ComputedValues>>) {
self.mutate_data().unwrap().style = style;
}
fn take_pseudo_styles(&self) -> PseudoStyles {
use std::mem;
let mut tmp = PseudoStyles::default();
mem::swap(&mut tmp, &mut self.mutate_data().unwrap().per_pseudo);
tmp
}
fn set_pseudo_styles(&self, styles: PseudoStyles) {
debug_assert!(self.borrow_data().unwrap().per_pseudo.is_empty());
self.mutate_data().unwrap().per_pseudo = styles;
}
fn restyle_damage(self) -> RestyleDamage {