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style: Stop the grid shorthand from resetting grid-gap properties.

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Bug: 1387410
Reviewed-by: heycam
MozReview-Commit-ID: GxU9YuAUc00
This commit is contained in:
Emilio Cobos Álvarez 2017-09-06 13:32:04 +02:00
parent c8bc6ca420
commit 7bf6b528b1
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GPG key ID: 056B727BB9C1027C
1 changed files with 2 additions and 14 deletions
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16
components/style/properties/shorthand/position.mako.rs
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@ -448,8 +448,7 @@
<%helpers:shorthand name="grid"
sub_properties="grid-template-rows grid-template-columns grid-template-areas
grid-auto-rows grid-auto-columns grid-row-gap grid-column-gap
grid-auto-flow"
grid-auto-rows grid-auto-columns grid-auto-flow"
spec="https://drafts.csswg.org/css-grid/#propdef-grid"
products="gecko">
use parser::Parse;
@ -457,7 +456,7 @@
use properties::longhands::grid_auto_flow::computed_value::{AutoFlow, T as SpecifiedAutoFlow};
use values::{Either, None_};
use values::generics::grid::{GridTemplateComponent, TrackListType};
use values::specified::{GenericGridTemplateComponent, NonNegativeLengthOrPercentage, TrackSize};
use values::specified::{GenericGridTemplateComponent, TrackSize};
pub fn parse_value<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>)
-> Result<Longhands, ParseError<'i>> {
@ -517,9 +516,6 @@
grid_auto_rows: auto_rows,
grid_auto_columns: auto_cols,
grid_auto_flow: flow,
// This shorthand also resets grid gap
grid_row_gap: NonNegativeLengthOrPercentage::zero(),
grid_column_gap: NonNegativeLengthOrPercentage::zero(),
})
}
@ -535,14 +531,6 @@
impl<'a> ToCss for LonghandsToSerialize<'a> {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
// `grid` shorthand resets these properties. If they are not zero, that means they
// are changed by longhands and in that case we should fail serializing `grid`.
if *self.grid_row_gap != NonNegativeLengthOrPercentage::zero() ||
*self.grid_column_gap != NonNegativeLengthOrPercentage::zero() {
return Ok(());
}
if *self.grid_template_areas != Either::Second(None_) ||
(*self.grid_template_rows != GridTemplateComponent::None &&
*self.grid_template_columns != GridTemplateComponent::None) ||