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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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21
components/style/traversal.rs
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@ -229,14 +229,7 @@ fn ensure_node_styled_internal<'a, N, C>(node: N,
{
use properties::longhands::display::computed_value as display;
// Ensure we have style data available. This must be done externally because
// there's no way to initialize the style data from the style system
// (because in Servo it's coupled with the layout data too).
//
// Ideally we'd have an initialize_data() or something similar but just for
// style data.
debug_assert!(node.borrow_data().is_some(),
"Need to initialize the data before calling ensure_node_styled");
// NB: The node data must be initialized here.
// We need to go to the root and ensure their style is up to date.
//
@ -257,7 +250,7 @@ fn ensure_node_styled_internal<'a, N, C>(node: N,
//
// We only need to mark whether we have display none, and forget about it,
// our style is up to date.
if let Some(ref style) = node.borrow_data().unwrap().style {
if let Some(ref style) = node.get_existing_style() {
if !*parents_had_display_none {
*parents_had_display_none = style.get_box().clone_display() == display::T::none;
return;
@ -308,7 +301,7 @@ pub fn recalc_style_at<'a, N, C>(context: &'a C,
// Remove existing CSS styles from nodes whose content has changed (e.g. text changed),
// to force non-incremental reflow.
if node.has_changed() {
node.unstyle();
node.set_style(None);
}
// Check to see whether we can share a style with someone.
@ -385,11 +378,15 @@ pub fn recalc_style_at<'a, N, C>(context: &'a C,
}
} else {
// Finish any expired transitions.
animation::complete_expired_transitions(
let mut existing_style = node.get_existing_style().unwrap();
let had_animations_to_expire = animation::complete_expired_transitions(
node.opaque(),
node.mutate_data().unwrap().style.as_mut().unwrap(),
&mut existing_style,
context.shared_context()
);
if had_animations_to_expire {
node.set_style(Some(existing_style));
}
}
let unsafe_layout_node = node.to_unsafe();