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Remove the dependency of parallel DOM traversal and style calculation on LayoutContext.

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This commit is contained in:
Bobby Holley 2016-01-03 19:18:34 -08:00
parent ebc5eb1b98
commit bf1a7d243f
4 changed files with 145 additions and 99 deletions
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27
components/layout/sequential.rs
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@ -15,32 +15,27 @@ use generated_content::ResolveGeneratedContent;
use traversal::PostorderNodeMutTraversal;
use traversal::{AssignBSizesAndStoreOverflow, AssignISizes};
use traversal::{BubbleISizes, BuildDisplayList, ComputeAbsolutePositions};
use traversal::{DomTraversal, DomTraversalContext};
use traversal::DomTraversalContext;
use util::opts;
use wrapper::LayoutNode;
pub fn traverse_dom_preorder<'ln, N, T>(root: N,
shared_layout_context: &SharedLayoutContext)
pub fn traverse_dom_preorder<'ln, N, C>(root: N,
shared: &C::SharedContext)
where N: LayoutNode<'ln>,
T: DomTraversal<'ln, N> {
fn doit<'a, 'ln, N, T>(context: &'a DomTraversalContext<'a>, node: N)
where N: LayoutNode<'ln>, T: DomTraversal<'ln, N> {
T::process_preorder(context, node);
C: DomTraversalContext<'ln, N> {
fn doit<'a, 'ln, N, C>(context: &'a C, node: N)
where N: LayoutNode<'ln>, C: DomTraversalContext<'ln, N> {
context.process_preorder(node);
for kid in node.children() {
doit::<N, T>(context, kid);
doit::<N, C>(context, kid);
}
T::process_postorder(context, node);
context.process_postorder(node);
}
let layout_context = LayoutContext::new(shared_layout_context);
let traversal_context = DomTraversalContext {
layout_context: &layout_context,
root: root.opaque(),
};
doit::<N, T>(&traversal_context, root);
let context = C::new(shared, root.opaque());
doit::<N, C>(&context, root);
}
pub fn resolve_generated_content(root: &mut FlowRef, shared_layout_context: &SharedLayoutContext) {