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implements nsStyleGridLine type properties animatable

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This commit is contained in:
Daisuke Akatsuka 2017-07-05 12:55:51 +09:00
parent 983361eb0f
commit 34980689a7
3 changed files with 87 additions and 67 deletions
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53
components/style/gecko/conversions.rs
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@ -14,10 +14,11 @@ use gecko_bindings::bindings::{Gecko_CreateGradient, Gecko_SetGradientImageValue
use gecko_bindings::bindings::{Gecko_InitializeImageCropRect, Gecko_SetImageElement};
use gecko_bindings::structs::{nsCSSUnit, nsStyleCoord_CalcValue, nsStyleImage};
use gecko_bindings::structs::{nsresult, SheetType};
use gecko_bindings::sugar::ns_style_coord::{CoordDataValue, CoordDataMut};
use gecko_bindings::sugar::ns_style_coord::{CoordDataValue, CoordData, CoordDataMut};
use stylesheets::{Origin, RulesMutateError};
use values::computed::{Angle, CalcLengthOrPercentage, Gradient, Image};
use values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto};
use values::generics::grid::TrackSize;
use values::generics::image::{CompatMode, Image as GenericImage, GradientItem};
use values::specified::length::Percentage;
@ -584,3 +585,53 @@ impl From<Origin> for SheetType {
}
}
}
impl TrackSize<LengthOrPercentage> {
/// Return TrackSize from given two nsStyleCoord
pub fn from_gecko_style_coords<T: CoordData>(gecko_min: &T, gecko_max: &T) -> Self {
use gecko_bindings::structs::root::nsStyleUnit;
use values::computed::length::LengthOrPercentage;
use values::generics::grid::{TrackBreadth, TrackSize};
if gecko_min.unit() == nsStyleUnit::eStyleUnit_None {
debug_assert!(gecko_max.unit() == nsStyleUnit::eStyleUnit_Coord ||
gecko_max.unit() == nsStyleUnit::eStyleUnit_Percent);
return TrackSize::FitContent(LengthOrPercentage::from_gecko_style_coord(gecko_max)
.expect("gecko_max could not convert to LengthOrPercentage"));
}
let min = TrackBreadth::from_gecko_style_coord(gecko_min)
.expect("gecko_min could not convert to TrackBreadth");
let max = TrackBreadth::from_gecko_style_coord(gecko_max)
.expect("gecko_max could not convert to TrackBreadth");
if min == max {
TrackSize::Breadth(max)
} else {
TrackSize::MinMax(min, max)
}
}
/// Save TrackSize to given gecko fields.
pub fn to_gecko_style_coords<T: CoordDataMut>(&self, gecko_min: &mut T, gecko_max: &mut T) {
use values::generics::grid::TrackSize;
match *self {
TrackSize::FitContent(ref lop) => {
// Gecko sets min value to None and max value to the actual value in fit-content
// https://dxr.mozilla.org/mozilla-central/rev/0eef1d5/layout/style/nsRuleNode.cpp#8221
gecko_min.set_value(CoordDataValue::None);
lop.to_gecko_style_coord(gecko_max);
},
TrackSize::Breadth(ref breadth) => {
// Set the value to both fields if there's one breadth value
// https://dxr.mozilla.org/mozilla-central/rev/0eef1d5/layout/style/nsRuleNode.cpp#8230
breadth.to_gecko_style_coord(gecko_min);
breadth.to_gecko_style_coord(gecko_max);
},
TrackSize::MinMax(ref min, ref max) => {
min.to_gecko_style_coord(gecko_min);
max.to_gecko_style_coord(gecko_max);
},
}
}
}