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Implement the LayoutData getters on LayoutJS<Node> rather than Node itself.

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This commit is contained in:
Ms2ger 2015-06-21 13:06:20 +02:00
parent a217ffb00a
commit eb2c508df0
3 changed files with 33 additions and 28 deletions
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8
components/layout/data.rs
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@ -8,7 +8,7 @@ use construct::{ConstructionItem, ConstructionResult};
use incremental::RestyleDamage;
use msg::constellation_msg::ConstellationChan;
use parallel::DomParallelInfo;
use script::dom::node::SharedLayoutData;
use script::dom::node::{LayoutNodeHelpers, SharedLayoutData};
use script::layout_interface::LayoutChan;
use std::cell::{Ref, RefMut};
use std::mem;
@ -116,20 +116,20 @@ pub trait LayoutDataAccess {
impl<'ln> LayoutDataAccess for LayoutNode<'ln> {
#[inline(always)]
unsafe fn borrow_layout_data_unchecked(&self) -> *const Option<LayoutDataWrapper> {
mem::transmute(self.get().layout_data_unchecked())
mem::transmute(self.get_jsmanaged().layout_data_unchecked())
}
#[inline(always)]
fn borrow_layout_data<'a>(&'a self) -> Ref<'a,Option<LayoutDataWrapper>> {
unsafe {
mem::transmute(self.get().layout_data())
mem::transmute(self.get_jsmanaged().layout_data())
}
}
#[inline(always)]
fn mutate_layout_data<'a>(&'a self) -> RefMut<'a,Option<LayoutDataWrapper>> {
unsafe {
mem::transmute(self.get().layout_data_mut())
mem::transmute(self.get_jsmanaged().layout_data_mut())
}
}
}

12
components/layout/wrapper.rs
View file

@ -889,11 +889,11 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
layout_data_wrapper_ref.data.after_style.is_some()
}
/// Borrows the layout data without checking. Fails on a conflicting borrow.
/// Borrows the layout data without checking.
#[inline(always)]
fn borrow_layout_data_unchecked<'a>(&'a self) -> *const Option<LayoutDataWrapper> {
unsafe {
mem::transmute(self.get().layout_data_unchecked())
self.node.borrow_layout_data_unchecked()
}
}
@ -902,9 +902,7 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
/// TODO(pcwalton): Make this private. It will let us avoid borrow flag checks in some cases.
#[inline(always)]
pub fn borrow_layout_data<'a>(&'a self) -> Ref<'a,Option<LayoutDataWrapper>> {
unsafe {
mem::transmute(self.get().layout_data())
}
self.node.borrow_layout_data()
}
/// Borrows the layout data mutably. Fails on a conflicting borrow.
@ -912,9 +910,7 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
/// TODO(pcwalton): Make this private. It will let us avoid borrow flag checks in some cases.
#[inline(always)]
pub fn mutate_layout_data<'a>(&'a self) -> RefMut<'a,Option<LayoutDataWrapper>> {
unsafe {
mem::transmute(self.get().layout_data_mut())
}
self.node.mutate_layout_data()
}
/// Traverses the tree in postorder.