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layout: Allow inline elements to be containing blocks for

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absolutely-positioned elements.

This also implements a little bit of the infrastructure needed to
support for fragmentation via support for multiple positioned fragments
in one flow.

Improves Google.
This commit is contained in:
Patrick Walton 2015-04-30 16:44:59 -07:00
parent b3b9deafa7
commit 1f0b5889da
19 changed files with 592 additions and 241 deletions
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7
components/layout/table_colgroup.rs
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@ -8,7 +8,7 @@
use context::LayoutContext;
use css::node_style::StyledNode;
use flow::{BaseFlow, FlowClass, Flow, ForceNonfloatedFlag};
use flow::{BaseFlow, FlowClass, Flow, ForceNonfloatedFlag, OpaqueFlow};
use fragment::{Fragment, FragmentBorderBoxIterator, SpecificFragmentInfo};
use layout_debug;
use wrapper::ThreadSafeLayoutNode;
@ -20,6 +20,7 @@ use std::fmt;
use style::values::computed::LengthOrPercentageOrAuto;
use style::properties::ComputedValues;
use std::sync::Arc;
use util::logical_geometry::LogicalSize;
/// A table formatting context.
pub struct TableColGroupFlow {
@ -101,6 +102,10 @@ impl Flow for TableColGroupFlow {
ZERO_RECT
}
fn generated_containing_block_size(&self, _: OpaqueFlow) -> LogicalSize<Au> {
panic!("Table column groups can't be containing blocks!")
}
fn iterate_through_fragment_border_boxes(&self,
_: &mut FragmentBorderBoxIterator,
_: &Point2D<Au>) {}