layout: Add a REPOSITION restyle damage type.

Separating out `REPOSITION` from `REPAINT` allows us to compute
stacking-context-relative positions without rebuilding the display list.
This saves a lot of time when responding to script-to-layout queries.
This commit is contained in:
Patrick Walton 2016-09-20 16:14:54 -07:00
parent 1235f4bff6
commit 65e3db1c0d
6 changed files with 52 additions and 35 deletions

View file

@ -25,8 +25,8 @@ use gfx_traits::print_tree::PrintTree;
use layout_debug;
use model::IntrinsicISizesContribution;
use range::{Range, RangeIndex};
use script_layout_interface::restyle_damage::{BUBBLE_ISIZES, REFLOW};
use script_layout_interface::restyle_damage::{REFLOW_OUT_OF_FLOW, RESOLVE_GENERATED_CONTENT};
use script_layout_interface::restyle_damage::{BUBBLE_ISIZES, REFLOW, REFLOW_OUT_OF_FLOW};
use script_layout_interface::restyle_damage::{REPOSITION, RESOLVE_GENERATED_CONTENT};
use script_layout_interface::wrapper_traits::PseudoElementType;
use std::{fmt, i32, isize, mem};
use std::cmp::max;
@ -1650,6 +1650,8 @@ impl Flow for InlineFlow {
_ => {}
}
}
self.base.restyle_damage.remove(REPOSITION)
}
fn update_late_computed_inline_position_if_necessary(&mut self, _: Au) {}