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layout: Separate out overflow-for-scrolling from overflow-for-paint.

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Closes #9484.
This commit is contained in:
Patrick Walton 2016-02-03 10:51:41 -08:00
parent f605c6aa69
commit 7c5b2d6cb3
17 changed files with 131 additions and 56 deletions
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4
components/layout/block.rs
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@ -43,7 +43,7 @@ use flow::{NEEDS_LAYER, PostorderFlowTraversal, PreorderFlowTraversal, Fragmenta
use flow::{self, BaseFlow, EarlyAbsolutePositionInfo, Flow, FlowClass, ForceNonfloatedFlag};
use flow_list::FlowList;
use flow_ref::FlowRef;
use fragment::{CoordinateSystem, Fragment, FragmentBorderBoxIterator, HAS_LAYER};
use fragment::{CoordinateSystem, Fragment, FragmentBorderBoxIterator, HAS_LAYER, Overflow};
use fragment::{SpecificFragmentInfo};
use gfx::display_list::{ClippingRegion, DisplayList};
use gfx_traits::LayerId;
@ -2098,7 +2098,7 @@ impl Flow for BlockFlow {
self.fragment.repair_style(new_style)
}
fn compute_overflow(&self) -> Rect<Au> {
fn compute_overflow(&self) -> Overflow {
let flow_size = self.base.position.size.to_physical(self.base.writing_mode);
self.fragment.compute_overflow(&flow_size,
&self.base