Auto merge of #18136 - upsuper:shadow-color, r=emilio

Use Option<RGBA> for color in shadow

This fixes [bug 1390697](https://bugzilla.mozilla.org/show_bug.cgi?id=1390697) by downgrading the support of currentcolor in shadow to what Gecko currently supports.

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This commit is contained in:
bors-servo 2017-08-19 05:45:53 -05:00 committed by GitHub
commit 0b45a4f651
5 changed files with 26 additions and 26 deletions

View file

@ -1411,7 +1411,7 @@ impl FragmentDisplayListBuilding for Fragment {
state.add_display_item(DisplayItem::BoxShadow(box BoxShadowDisplayItem { state.add_display_item(DisplayItem::BoxShadow(box BoxShadowDisplayItem {
base: base, base: base,
box_bounds: *absolute_bounds, box_bounds: *absolute_bounds,
color: style.resolve_color(box_shadow.base.color).to_gfx_color(), color: box_shadow.base.color.unwrap_or(style.get_color().color).to_gfx_color(),
offset: Vector2D::new(box_shadow.base.horizontal, box_shadow.base.vertical), offset: Vector2D::new(box_shadow.base.horizontal, box_shadow.base.vertical),
blur_radius: box_shadow.base.blur.0, blur_radius: box_shadow.base.blur.0,
spread_radius: box_shadow.spread, spread_radius: box_shadow.spread,
@ -2133,7 +2133,7 @@ impl FragmentDisplayListBuilding for Fragment {
base: base.clone(), base: base.clone(),
blur_radius: shadow.blur.0, blur_radius: shadow.blur.0,
offset: Vector2D::new(shadow.horizontal, shadow.vertical), offset: Vector2D::new(shadow.horizontal, shadow.vertical),
color: self.style().resolve_color(shadow.color).to_gfx_color(), color: shadow.color.unwrap_or(self.style().get_color().color).to_gfx_color(),
})); }));
} }

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@ -7,7 +7,7 @@
use app_units::Au; use app_units::Au;
use gecko::values::{convert_rgba_to_nscolor, convert_nscolor_to_rgba}; use gecko::values::{convert_rgba_to_nscolor, convert_nscolor_to_rgba};
use gecko_bindings::structs::nsCSSShadowItem; use gecko_bindings::structs::nsCSSShadowItem;
use values::computed::Color; use values::computed::RGBAColor;
use values::computed::effects::{BoxShadow, SimpleShadow}; use values::computed::effects::{BoxShadow, SimpleShadow};
impl nsCSSShadowItem { impl nsCSSShadowItem {
@ -37,23 +37,23 @@ impl nsCSSShadowItem {
self.mRadius = shadow.blur.value(); self.mRadius = shadow.blur.value();
self.mSpread = 0; self.mSpread = 0;
self.mInset = false; self.mInset = false;
if shadow.color.is_currentcolor() { if let Some(color) = shadow.color {
self.mHasColor = true;
self.mColor = convert_rgba_to_nscolor(&color);
} else {
// TODO handle currentColor // TODO handle currentColor
// https://bugzilla.mozilla.org/show_bug.cgi?id=760345 // https://bugzilla.mozilla.org/show_bug.cgi?id=760345
self.mHasColor = false; self.mHasColor = false;
self.mColor = 0; self.mColor = 0;
} else {
self.mHasColor = true;
self.mColor = convert_rgba_to_nscolor(&shadow.color.color);
} }
} }
#[inline] #[inline]
fn extract_color(&self) -> Color { fn extract_color(&self) -> Option<RGBAColor> {
if self.mHasColor { if self.mHasColor {
Color::rgba(convert_nscolor_to_rgba(self.mColor)) Some(convert_nscolor_to_rgba(self.mColor))
} else { } else {
Color::currentcolor() None
} }
} }

View file

@ -12,7 +12,7 @@ use std::cmp;
#[cfg(not(feature = "gecko"))] #[cfg(not(feature = "gecko"))]
use values::Impossible; use values::Impossible;
use values::animated::{ToAnimatedValue, ToAnimatedZero}; use values::animated::{ToAnimatedValue, ToAnimatedZero};
use values::animated::color::Color; use values::animated::color::RGBA;
use values::computed::{Angle, NonNegativeNumber}; use values::computed::{Angle, NonNegativeNumber};
use values::computed::length::{Length, NonNegativeLength}; use values::computed::length::{Length, NonNegativeLength};
use values::distance::{ComputeSquaredDistance, SquaredDistance}; use values::distance::{ComputeSquaredDistance, SquaredDistance};
@ -34,7 +34,7 @@ pub type TextShadowList = ShadowList<SimpleShadow>;
pub struct ShadowList<Shadow>(Vec<Shadow>); pub struct ShadowList<Shadow>(Vec<Shadow>);
/// An animated value for a single `box-shadow`. /// An animated value for a single `box-shadow`.
pub type BoxShadow = GenericBoxShadow<Color, Length, NonNegativeLength, Length>; pub type BoxShadow = GenericBoxShadow<Option<RGBA>, Length, NonNegativeLength, Length>;
/// An animated value for the `filter` property. /// An animated value for the `filter` property.
#[cfg_attr(feature = "servo", derive(HeapSizeOf))] #[cfg_attr(feature = "servo", derive(HeapSizeOf))]
@ -50,7 +50,7 @@ pub type Filter = GenericFilter<Angle, NonNegativeNumber, NonNegativeLength, Sim
pub type Filter = GenericFilter<Angle, NonNegativeNumber, NonNegativeLength, Impossible>; pub type Filter = GenericFilter<Angle, NonNegativeNumber, NonNegativeLength, Impossible>;
/// An animated value for the `drop-shadow()` filter. /// An animated value for the `drop-shadow()` filter.
pub type SimpleShadow = GenericSimpleShadow<Color, Length, NonNegativeLength>; pub type SimpleShadow = GenericSimpleShadow<Option<RGBA>, Length, NonNegativeLength>;
impl ToAnimatedValue for ComputedBoxShadowList { impl ToAnimatedValue for ComputedBoxShadowList {
type AnimatedValue = BoxShadowList; type AnimatedValue = BoxShadowList;
@ -245,7 +245,7 @@ impl ToAnimatedZero for SimpleShadow {
#[inline] #[inline]
fn to_animated_zero(&self) -> Result<Self, ()> { fn to_animated_zero(&self) -> Result<Self, ()> {
Ok(SimpleShadow { Ok(SimpleShadow {
color: Color::transparent(), color: Some(RGBA::transparent()),
horizontal: self.horizontal.to_animated_zero()?, horizontal: self.horizontal.to_animated_zero()?,
vertical: self.vertical.to_animated_zero()?, vertical: self.vertical.to_animated_zero()?,
blur: self.blur.to_animated_zero()?, blur: self.blur.to_animated_zero()?,

View file

@ -7,14 +7,14 @@
#[cfg(not(feature = "gecko"))] #[cfg(not(feature = "gecko"))]
use values::Impossible; use values::Impossible;
use values::computed::{Angle, NonNegativeNumber}; use values::computed::{Angle, NonNegativeNumber};
use values::computed::color::Color; use values::computed::color::RGBAColor;
use values::computed::length::{Length, NonNegativeLength}; use values::computed::length::{Length, NonNegativeLength};
use values::generics::effects::BoxShadow as GenericBoxShadow; use values::generics::effects::BoxShadow as GenericBoxShadow;
use values::generics::effects::Filter as GenericFilter; use values::generics::effects::Filter as GenericFilter;
use values::generics::effects::SimpleShadow as GenericSimpleShadow; use values::generics::effects::SimpleShadow as GenericSimpleShadow;
/// A computed value for a single shadow of the `box-shadow` property. /// A computed value for a single shadow of the `box-shadow` property.
pub type BoxShadow = GenericBoxShadow<Color, Length, NonNegativeLength, Length>; pub type BoxShadow = GenericBoxShadow<Option<RGBAColor>, Length, NonNegativeLength, Length>;
/// A computed value for a single `filter`. /// A computed value for a single `filter`.
#[cfg(feature = "gecko")] #[cfg(feature = "gecko")]
@ -25,4 +25,4 @@ pub type Filter = GenericFilter<Angle, NonNegativeNumber, NonNegativeLength, Sim
pub type Filter = GenericFilter<Angle, NonNegativeNumber, NonNegativeLength, Impossible>; pub type Filter = GenericFilter<Angle, NonNegativeNumber, NonNegativeLength, Impossible>;
/// A computed value for the `drop-shadow()` filter. /// A computed value for the `drop-shadow()` filter.
pub type SimpleShadow = GenericSimpleShadow<Color, Length, NonNegativeLength>; pub type SimpleShadow = GenericSimpleShadow<Option<RGBAColor>, Length, NonNegativeLength>;

View file

@ -17,13 +17,14 @@ use values::generics::effects::BoxShadow as GenericBoxShadow;
use values::generics::effects::Filter as GenericFilter; use values::generics::effects::Filter as GenericFilter;
use values::generics::effects::SimpleShadow as GenericSimpleShadow; use values::generics::effects::SimpleShadow as GenericSimpleShadow;
use values::specified::{Angle, NumberOrPercentage}; use values::specified::{Angle, NumberOrPercentage};
use values::specified::color::Color; use values::specified::color::RGBAColor;
use values::specified::length::{Length, NonNegativeLength}; use values::specified::length::{Length, NonNegativeLength};
#[cfg(feature = "gecko")] #[cfg(feature = "gecko")]
use values::specified::url::SpecifiedUrl; use values::specified::url::SpecifiedUrl;
/// A specified value for a single shadow of the `box-shadow` property. /// A specified value for a single shadow of the `box-shadow` property.
pub type BoxShadow = GenericBoxShadow<Option<Color>, Length, Option<NonNegativeLength>, Option<Length>>; pub type BoxShadow = GenericBoxShadow<Option<RGBAColor>, Length,
Option<NonNegativeLength>, Option<Length>>;
/// A specified value for a single `filter`. /// A specified value for a single `filter`.
#[cfg(feature = "gecko")] #[cfg(feature = "gecko")]
@ -67,7 +68,7 @@ impl ToComputedValue for Factor {
} }
/// A specified value for the `drop-shadow()` filter. /// A specified value for the `drop-shadow()` filter.
pub type SimpleShadow = GenericSimpleShadow<Option<Color>, Length, Option<NonNegativeLength>>; pub type SimpleShadow = GenericSimpleShadow<Option<RGBAColor>, Length, Option<NonNegativeLength>>;
impl Parse for BoxShadow { impl Parse for BoxShadow {
fn parse<'i, 't>( fn parse<'i, 't>(
@ -104,7 +105,7 @@ impl Parse for BoxShadow {
} }
} }
if color.is_none() { if color.is_none() {
if let Ok(value) = input.try(|i| Color::parse(context, i)) { if let Ok(value) = input.try(|i| RGBAColor::parse(context, i)) {
color = Some(value); color = Some(value);
continue; continue;
} }
@ -184,11 +185,11 @@ impl Parse for SimpleShadow {
context: &ParserContext, context: &ParserContext,
input: &mut Parser<'i, 't> input: &mut Parser<'i, 't>
) -> Result<Self, ParseError<'i>> { ) -> Result<Self, ParseError<'i>> {
let color = input.try(|i| Color::parse(context, i)).ok(); let color = input.try(|i| RGBAColor::parse(context, i)).ok();
let horizontal = Length::parse(context, input)?; let horizontal = Length::parse(context, input)?;
let vertical = Length::parse(context, input)?; let vertical = Length::parse(context, input)?;
let blur = input.try(|i| Length::parse_non_negative(context, i)).ok(); let blur = input.try(|i| Length::parse_non_negative(context, i)).ok();
let color = color.or_else(|| input.try(|i| Color::parse(context, i)).ok()); let color = color.or_else(|| input.try(|i| RGBAColor::parse(context, i)).ok());
Ok(SimpleShadow { Ok(SimpleShadow {
color: color, color: color,
horizontal: horizontal, horizontal: horizontal,
@ -204,8 +205,7 @@ impl ToComputedValue for SimpleShadow {
#[inline] #[inline]
fn to_computed_value(&self, context: &Context) -> Self::ComputedValue { fn to_computed_value(&self, context: &Context) -> Self::ComputedValue {
ComputedSimpleShadow { ComputedSimpleShadow {
color: color: self.color.to_computed_value(context),
self.color.as_ref().unwrap_or(&Color::CurrentColor).to_computed_value(context),
horizontal: self.horizontal.to_computed_value(context), horizontal: self.horizontal.to_computed_value(context),
vertical: self.vertical.to_computed_value(context), vertical: self.vertical.to_computed_value(context),
blur: blur:
@ -216,7 +216,7 @@ impl ToComputedValue for SimpleShadow {
#[inline] #[inline]
fn from_computed_value(computed: &Self::ComputedValue) -> Self { fn from_computed_value(computed: &Self::ComputedValue) -> Self {
SimpleShadow { SimpleShadow {
color: Some(ToComputedValue::from_computed_value(&computed.color)), color: ToComputedValue::from_computed_value(&computed.color),
horizontal: ToComputedValue::from_computed_value(&computed.horizontal), horizontal: ToComputedValue::from_computed_value(&computed.horizontal),
vertical: ToComputedValue::from_computed_value(&computed.vertical), vertical: ToComputedValue::from_computed_value(&computed.vertical),
blur: Some(ToComputedValue::from_computed_value(&computed.blur)), blur: Some(ToComputedValue::from_computed_value(&computed.blur)),