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style: Add a Zero trait that doesn't require Add, and use it in place of num_traits and IsZeroLength.

Browse source 
Use it to be consistent in InsetRect serialization and storage between Servo and
Gecko.

Differential Revision: https://phabricator.services.mozilla.com/D21493
This commit is contained in:
Emilio Cobos Álvarez 2019-02-28 19:03:03 +00:00
parent 4496411edc
commit 7d01114cbf
29 changed files with 179 additions and 186 deletions
Download patch file Download diff file Expand all files Collapse all files

2
components/style/gecko/conversions.rs
View file

@ -27,6 +27,7 @@ use crate::values::generics::box_::VerticalAlign;
use crate::values::generics::grid::{TrackListValue, TrackSize};
use crate::values::generics::image::{CompatMode, GradientItem, Image as GenericImage};
use crate::values::generics::rect::Rect;
use crate::Zero;
use app_units::Au;
use std::f32::consts::PI;
use style_traits::values::specified::AllowedNumericType;
@ -703,7 +704,6 @@ pub mod basic_shape {
let b = LengthPercentage::from_gecko_style_coord(&other.mCoordinates[2]);
let l = LengthPercentage::from_gecko_style_coord(&other.mCoordinates[3]);
let round = other.mRadius;
let round = if round.all_zero() { None } else { Some(round) };
let rect = Rect::new(
t.expect("inset() offset should be a length, percentage, or calc value"),
r.expect("inset() offset should be a length, percentage, or calc value"),

2
components/style/gecko/values.rs
View file

@ -19,7 +19,7 @@ use crate::values::generics::grid::{TrackBreadth, TrackKeyword};
use crate::values::generics::length::LengthPercentageOrAuto;
use crate::values::generics::{CounterStyleOrNone, NonNegative};
use crate::values::{Auto, Either, None_, Normal};
use crate::Atom;
use crate::{Atom, Zero};
use app_units::Au;
use cssparser::RGBA;
use nsstring::{nsACString, nsCStr};