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Replace begin_styling with a centralized mechanism to set a node up for either styling or restyling.

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We also make sure that an element never has an ElementData with ElementDataStyles::Uninitialized,
and eagerly call prepare_for_styling whenever an ElementData is instantiated.

MozReview-Commit-ID: 9YP6eSmdMt0
This commit is contained in:
Bobby Holley 2016-10-30 20:45:29 -07:00
parent b98bb241dc
commit 71b9004d86
10 changed files with 129 additions and 104 deletions
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7
components/layout/traversal.rs
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@ -22,7 +22,7 @@ use style::traversal::{recalc_style_at, remove_from_bloom_filter};
use style::traversal::RestyleResult;
use style::traversal::take_thread_local_bloom_filter;
use util::opts;
use wrapper::{LayoutNodeHelpers, LayoutNodeLayoutData};
use wrapper::{GetRawData, LayoutNodeHelpers, LayoutNodeLayoutData};
pub struct RecalcStyleAndConstructFlows<'lc> {
context: LayoutContext<'lc>,
@ -131,9 +131,10 @@ impl<'lc, N> DomTraversalContext<N> for RecalcStyleAndConstructFlows<'lc>
}
}
fn ensure_element_data(element: &N::ConcreteElement) -> &AtomicRefCell<ElementData> {
#[allow(unsafe_code)]
unsafe fn ensure_element_data(element: &N::ConcreteElement) -> &AtomicRefCell<ElementData> {
element.as_node().initialize_data();
element.get_style_data().unwrap()
element.get_data().unwrap()
}
fn local_context(&self) -> &LocalStyleContext {