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Simplify stacking context collection
Simplify the way that stacking contexts are collected. Instead of passing the StackingContextId down the tree, pass the parent StackingContext itself. This will allow future patches to get more information about the parent stacking context (such as location). Also remove the return value of collect_stacking_contexts, which was unused.
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16 changed files with 88 additions and 184 deletions
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@ -18,7 +18,6 @@ use flow::{INLINE_POSITION_IS_STATIC, IS_ABSOLUTELY_POSITIONED};
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use flow_ref::{self, FlowRef};
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use fragment::{Fragment, FragmentBorderBoxIterator, Overflow};
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use gfx::display_list::StackingContext;
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use gfx_traits::StackingContextId;
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use layout_debug;
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use model::{Direction, IntrinsicISizes, MaybeAuto, MinMaxConstraint};
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use model::{specified, specified_or_none};
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@ -940,11 +939,8 @@ impl Flow for FlexFlow {
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self.build_display_list_for_flex(state);
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}
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fn collect_stacking_contexts(&mut self,
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parent_id: StackingContextId,
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contexts: &mut Vec<Box<StackingContext>>)
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-> StackingContextId {
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self.block_flow.collect_stacking_contexts(parent_id, contexts)
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fn collect_stacking_contexts(&mut self, parent: &mut StackingContext) {
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self.block_flow.collect_stacking_contexts(parent);
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}
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fn repair_style(&mut self, new_style: &Arc<ServoComputedValues>) {
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