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Auto merge of #20692 - emilio:gecko-sync-next, r=emilio,Manishearth,nox

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style: Sync more changes from m-c.

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bors-servo 2018-04-28 09:37:25 -04:00 • committed by GitHub
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67 changed files with 2100 additions and 1776 deletions
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2
.travis.yml
View file

@ -27,8 +27,6 @@ matrix:
- ./mach build -d --verbose
- ./mach test-unit
- ./mach clean
- ./mach build-geckolib
- ./mach test-stylo
- bash etc/ci/lockfile_changed.sh
cache:
directories:

14
components/gfx/font.rs
View file

@ -19,7 +19,7 @@ use std::rc::Rc;
use std::str;
use std::sync::Arc;
use std::sync::atomic::{ATOMIC_USIZE_INIT, AtomicUsize, Ordering};
use style::computed_values::{font_stretch, font_variant_caps, font_weight};
use style::computed_values::{font_stretch, font_style, font_variant_caps, font_weight};
use style::properties::style_structs::Font as FontStyleStruct;
use style::values::computed::font::SingleFontFamily;
use text::Shaper;
@ -47,18 +47,24 @@ static TEXT_SHAPING_PERFORMANCE_COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
// resources needed by the graphics layer to draw glyphs.
pub trait FontHandleMethods: Sized {
fn new_from_template(fctx: &FontContextHandle, template: Arc<FontTemplateData>, pt_size: Option<Au>)
-> Result<Self, ()>;
fn new_from_template(
fctx: &FontContextHandle,
template: Arc<FontTemplateData>,
pt_size: Option<Au>,
) -> Result<Self, ()>;
fn template(&self) -> Arc<FontTemplateData>;
fn family_name(&self) -> String;
fn face_name(&self) -> Option<String>;
fn is_italic(&self) -> bool;
fn style(&self) -> font_style::T;
fn boldness(&self) -> font_weight::T;
fn stretchiness(&self) -> font_stretch::T;
fn glyph_index(&self, codepoint: char) -> Option<GlyphId>;
fn glyph_h_advance(&self, GlyphId) -> Option<FractionalPixel>;
fn glyph_h_kerning(&self, glyph0: GlyphId, glyph1: GlyphId) -> FractionalPixel;
/// Can this font do basic horizontal LTR shaping without Harfbuzz?
fn can_do_fast_shaping(&self) -> bool;
fn metrics(&self) -> FontMetrics;

7
components/gfx/font_cache_thread.rs
View file

@ -18,14 +18,11 @@ use platform::font_list::system_default_family;
use platform::font_template::FontTemplateData;
use servo_atoms::Atom;
use servo_url::ServoUrl;
use std::{fmt, f32, mem, thread};
use std::borrow::ToOwned;
use std::collections::HashMap;
use std::fmt;
use std::mem;
use std::ops::Deref;
use std::sync::{Arc, Mutex};
use std::thread;
use std::u32;
use style::font_face::{EffectiveSources, Source};
use style::values::computed::font::{SingleFontFamily, FamilyName};
use webrender_api;
@ -63,7 +60,7 @@ impl FontTemplates {
// We didn't find an exact match. Do more expensive fuzzy matching.
// TODO(#190): Do a better job.
let (mut best_template_data, mut best_distance) = (None, u32::MAX);
let (mut best_template_data, mut best_distance) = (None, f32::MAX);
for template in &mut self.templates {
if let Some((template_data, distance)) =
template.data_for_approximate_descriptor(fctx, desc) {

85
components/gfx/font_template.rs
View file

@ -10,7 +10,6 @@ use servo_atoms::Atom;
use std::fmt::{Debug, Error, Formatter};
use std::io::Error as IoError;
use std::sync::{Arc, Weak};
use std::u32;
use style::computed_values::font_stretch::T as FontStretch;
use style::computed_values::font_style::T as FontStyle;
use style::properties::style_structs::Font as FontStyleStruct;
@ -20,21 +19,35 @@ use style::values::computed::font::FontWeight;
/// to be expanded or refactored when we support more of the font styling parameters.
///
/// NB: If you change this, you will need to update `style::properties::compute_font_hash()`.
#[derive(Clone, Copy, Debug, Deserialize, Eq, Hash, Serialize)]
#[derive(Clone, Copy, Debug, Deserialize, PartialEq, Serialize)]
pub struct FontTemplateDescriptor {
pub weight: FontWeight,
pub stretch: FontStretch,
pub italic: bool,
pub style: FontStyle,
}
fn style_to_number(s: &FontStyle) -> f32 {
use style::values::generics::font::FontStyle as GenericFontStyle;
match *s {
GenericFontStyle::Normal => 0.,
GenericFontStyle::Italic => FontStyle::default_angle().0.degrees(),
GenericFontStyle::Oblique(ref angle) => angle.0.degrees(),
}
}
impl FontTemplateDescriptor {
#[inline]
pub fn new(weight: FontWeight, stretch: FontStretch, italic: bool)
-> FontTemplateDescriptor {
FontTemplateDescriptor {
weight: weight,
stretch: stretch,
italic: italic,
pub fn new(
weight: FontWeight,
stretch: FontStretch,
style: FontStyle,
) -> Self {
Self {
weight,
stretch,
style,
}
}
@ -46,30 +59,15 @@ impl FontTemplateDescriptor {
///
/// The policy is to care most about differences in italicness, then weight, then stretch
#[inline]
fn distance_from(&self, other: &FontTemplateDescriptor) -> u32 {
let italic_part = if self.italic == other.italic { 0 } else { 1000 };
fn distance_from(&self, other: &FontTemplateDescriptor) -> f32 {
// 0 <= style_part <= 180, since font-style obliqueness should be
// between -90 and +90deg.
let style_part = (style_to_number(&self.style) - style_to_number(&other.style)).abs();
// 0 <= weightPart <= 800
let weight_part = ((self.weight.0 as i16) - (other.weight.0 as i16)).abs() as u32;
let weight_part = (self.weight.0 - other.weight.0).abs();
// 0 <= stretchPart <= 8
let stretch_part = (self.stretch_number() - other.stretch_number()).abs() as u32;
italic_part + weight_part + stretch_part
}
/// Returns a number between 1 and 9 for the stretch property.
/// 1 is ultra_condensed, 5 is normal, and 9 is ultra_expanded
#[inline]
fn stretch_number(&self) -> i32 {
match self.stretch {
FontStretch::UltraCondensed => 1,
FontStretch::ExtraCondensed => 2,
FontStretch::Condensed => 3,
FontStretch::SemiCondensed => 4,
FontStretch::Normal => 5,
FontStretch::SemiExpanded => 6,
FontStretch::Expanded => 7,
FontStretch::ExtraExpanded => 8,
FontStretch::UltraExpanded => 9,
}
let stretch_part = ((self.stretch.0).0 - (other.stretch.0).0).abs();
style_part + weight_part + stretch_part
}
}
@ -78,17 +76,11 @@ impl<'a> From<&'a FontStyleStruct> for FontTemplateDescriptor {
FontTemplateDescriptor {
weight: style.font_weight,
stretch: style.font_stretch,
italic: style.font_style == FontStyle::Italic || style.font_style == FontStyle::Oblique,
style: style.font_style,
}
}
}
impl PartialEq for FontTemplateDescriptor {
fn eq(&self, other: &FontTemplateDescriptor) -> bool {
self.weight == other.weight && self.stretch == other.stretch && self.italic == other.italic
}
}
/// This describes all the information needed to create
/// font instance handles. It contains a unique
/// FontTemplateData structure that is platform specific.
@ -173,10 +165,11 @@ impl FontTemplate {
/// Returns the font data along with the distance between this font's descriptor and the given
/// descriptor, if the font can be loaded.
pub fn data_for_approximate_descriptor(&mut self,
font_context: &FontContextHandle,
requested_descriptor: &FontTemplateDescriptor)
-> Option<(Arc<FontTemplateData>, u32)> {
pub fn data_for_approximate_descriptor(
&mut self,
font_context: &FontContextHandle,
requested_descriptor: &FontTemplateDescriptor,
) -> Option<(Arc<FontTemplateData>, f32)> {
self.descriptor(&font_context).and_then(|descriptor| {
self.data().ok().map(|data| {
(data, descriptor.distance_from(requested_descriptor))
@ -195,9 +188,11 @@ impl FontTemplate {
None);
self.is_valid = handle.is_ok();
let handle = handle?;
self.descriptor = Some(FontTemplateDescriptor::new(handle.boldness(),
handle.stretchiness(),
handle.is_italic()));
self.descriptor = Some(FontTemplateDescriptor::new(
handle.boldness(),
handle.stretchiness(),
handle.style(),
));
Ok(())
}

58
components/gfx/platform/freetype/font.rs
View file

@ -24,6 +24,7 @@ use std::os::raw::{c_char, c_long};
use std::sync::Arc;
use style::computed_values::font_stretch::T as FontStretch;
use style::computed_values::font_weight::T as FontWeight;
use style::values::computed::font::FontStyle;
use super::c_str_to_string;
use text::glyph::GlyphId;
use text::util::fixed_to_float;
@ -149,43 +150,44 @@ impl FontHandleMethods for FontHandle {
}
}
fn is_italic(&self) -> bool {
unsafe { (*self.face).style_flags & FT_STYLE_FLAG_ITALIC as c_long != 0 }
fn style(&self) -> FontStyle {
use style::values::generics::font::FontStyle::*;
if unsafe { (*self.face).style_flags & FT_STYLE_FLAG_ITALIC as c_long != 0 } {
Italic
} else {
Normal
}
}
fn boldness(&self) -> FontWeight {
if let Some(os2) = self.os2_table() {
let weight = os2.us_weight_class as i32;
if weight < 10 {
FontWeight::from_int(weight * 100).unwrap()
} else if weight >= 100 && weight < 1000 {
FontWeight::from_int(weight / 100 * 100).unwrap()
} else {
FontWeight::normal()
}
} else {
FontWeight::normal()
}
let os2 = match self.os2_table() {
None => return FontWeight::normal(),
Some(os2) => os2,
};
let weight = os2.us_weight_class as f32;
FontWeight(weight.max(1.).min(1000.))
}
fn stretchiness(&self) -> FontStretch {
if let Some(os2) = self.os2_table() {
use style::values::generics::NonNegative;
use style::values::specified::font::FontStretchKeyword;
let percentage = if let Some(os2) = self.os2_table() {
match os2.us_width_class {
1 => FontStretch::UltraCondensed,
2 => FontStretch::ExtraCondensed,
3 => FontStretch::Condensed,
4 => FontStretch::SemiCondensed,
5 => FontStretch::Normal,
6 => FontStretch::SemiExpanded,
7 => FontStretch::Expanded,
8 => FontStretch::ExtraExpanded,
9 => FontStretch::UltraExpanded,
_ => FontStretch::Normal
1 => FontStretchKeyword::UltraCondensed,
2 => FontStretchKeyword::ExtraCondensed,
3 => FontStretchKeyword::Condensed,
4 => FontStretchKeyword::SemiCondensed,
5 => FontStretchKeyword::Normal,
6 => FontStretchKeyword::SemiExpanded,
7 => FontStretchKeyword::Expanded,
8 => FontStretchKeyword::ExtraExpanded,
9 => FontStretchKeyword::UltraExpanded,
_ => FontStretchKeyword::Normal
}
} else {
FontStretch::Normal
}
FontStretchKeyword::Normal
}.compute();
NonNegative(percentage)
}
fn glyph_index(&self, codepoint: char) -> Option<GlyphId> {

32
components/gfx/platform/macos/font.rs
View file

@ -22,8 +22,7 @@ use servo_atoms::Atom;
use std::{fmt, ptr};
use std::ops::Range;
use std::sync::Arc;
use style::computed_values::font_stretch::T as FontStretch;
use style::computed_values::font_weight::T as FontWeight;
use style::values::computed::font::{FontStretch, FontStyle, FontWeight};
use text::glyph::GlyphId;
const KERN_PAIR_LEN: usize = 6;
@ -204,34 +203,33 @@ impl FontHandleMethods for FontHandle {
Some(self.ctfont.face_name())
}
fn is_italic(&self) -> bool {
self.ctfont.symbolic_traits().is_italic()
fn style(&self) -> FontStyle {
use style::values::generics::font::FontStyle::*;
if self.ctfont.symbolic_traits().is_italic() {
Italic
} else {
Normal
}
}
fn boldness(&self) -> FontWeight {
let normalized = self.ctfont.all_traits().normalized_weight(); // [-1.0, 1.0]
// TODO(emilio): It may make sense to make this range [.01, 10.0], to
// align with css-fonts-4's range of [1, 1000].
let normalized = if normalized <= 0.0 {
4.0 + normalized * 3.0 // [1.0, 4.0]
} else {
4.0 + normalized * 5.0 // [4.0, 9.0]
}; // [1.0, 9.0], centered on 4.0
FontWeight::from_int(normalized.round() as i32 * 100).unwrap()
FontWeight(normalized as f32 * 100.)
}
fn stretchiness(&self) -> FontStretch {
use style::values::computed::Percentage;
use style::values::generics::NonNegative;
let normalized = self.ctfont.all_traits().normalized_width(); // [-1.0, 1.0]
let normalized = (normalized + 1.0) / 2.0 * 9.0; // [0.0, 9.0]
match normalized {
v if v < 1.0 => FontStretch::UltraCondensed,
v if v < 2.0 => FontStretch::ExtraCondensed,
v if v < 3.0 => FontStretch::Condensed,
v if v < 4.0 => FontStretch::SemiCondensed,
v if v < 5.0 => FontStretch::Normal,
v if v < 6.0 => FontStretch::SemiExpanded,
v if v < 7.0 => FontStretch::Expanded,
v if v < 8.0 => FontStretch::ExtraExpanded,
_ => FontStretch::UltraExpanded,
}
NonNegative(Percentage(normalized as f32 + 1.0))
}
fn glyph_index(&self, codepoint: char) -> Option<GlyphId> {

114
components/gfx/platform/windows/font.rs
View file

@ -19,6 +19,10 @@ use servo_atoms::Atom;
use std::sync::Arc;
use style::computed_values::font_stretch::T as StyleFontStretch;
use style::computed_values::font_weight::T as StyleFontWeight;
use style::values::computed::font::FontStyle as StyleFontStyle;
use style::values::generics::NonNegative;
use style::values::generics::font::FontStyle as GenericFontStyle;
use style::values::specified::font::FontStretchKeyword;
use text::glyph::GlyphId;
use truetype;
@ -98,7 +102,7 @@ struct FontInfo {
face_name: String,
weight: StyleFontWeight,
stretch: StyleFontStretch,
style: FontStyle,
style: StyleFontStyle,
}
impl FontInfo {
@ -157,75 +161,76 @@ impl FontInfo {
},
};
let weight =
StyleFontWeight::from_int(
min(9, max(1, weight_val as i32 / 100)) * 100
).unwrap();
let weight = StyleFontWeight(weight_val as f32);
let stretch = match min(9, max(1, width_val)) {
1 => StyleFontStretch::UltraCondensed,
2 => StyleFontStretch::ExtraCondensed,
3 => StyleFontStretch::Condensed,
4 => StyleFontStretch::SemiCondensed,
5 => StyleFontStretch::Normal,
6 => StyleFontStretch::SemiExpanded,
7 => StyleFontStretch::Expanded,
8 => StyleFontStretch::ExtraExpanded,
9 => StyleFontStretch::UltraExpanded,
let stretch = NonNegative(match min(9, max(1, width_val)) {
1 => FontStretchKeyword::UltraCondensed,
2 => FontStretchKeyword::ExtraCondensed,
3 => FontStretchKeyword::Condensed,
4 => FontStretchKeyword::SemiCondensed,
5 => FontStretchKeyword::Normal,
6 => FontStretchKeyword::SemiExpanded,
7 => FontStretchKeyword::Expanded,
8 => FontStretchKeyword::ExtraExpanded,
9 => FontStretchKeyword::UltraExpanded,
_ => return Err(()),
};
}.compute());
let style = if italic_bool {
FontStyle::Italic
GenericFontStyle::Italic
} else {
FontStyle::Normal
GenericFontStyle::Normal
};
Ok(FontInfo {
family_name: family,
face_name: face,
weight: weight,
stretch: stretch,
style: style,
weight,
stretch,
style,
})
}
fn new_from_font(font: &Font) -> Result<FontInfo, ()> {
let style = font.style();
let weight = StyleFontWeight(match font.weight() {
FontWeight::Thin => 100,
FontWeight::ExtraLight => 200,
FontWeight::Light => 300,
// slightly grayer gray
FontWeight::SemiLight => 300,
FontWeight::Regular => 400,
FontWeight::Medium => 500,
FontWeight::SemiBold => 600,
FontWeight::Bold => 700,
FontWeight::ExtraBold => 800,
FontWeight::Black => 900,
// slightly blacker black
FontWeight::ExtraBlack => 900,
});
let stretch = match font.stretch() {
FontStretch::Undefined => StyleFontStretch::Normal,
FontStretch::UltraCondensed => StyleFontStretch::UltraCondensed,
FontStretch::ExtraCondensed => StyleFontStretch::ExtraCondensed,
FontStretch::Condensed => StyleFontStretch::Condensed,
FontStretch::SemiCondensed => StyleFontStretch::SemiCondensed,
FontStretch::Normal => StyleFontStretch::Normal,
FontStretch::SemiExpanded => StyleFontStretch::SemiExpanded,
FontStretch::Expanded => StyleFontStretch::Expanded,
FontStretch::ExtraExpanded => StyleFontStretch::ExtraExpanded,
FontStretch::UltraExpanded => StyleFontStretch::UltraExpanded,
let style = match font.style() {
FontStyle::Normal => GenericFontStyle::Normal,
FontStyle::Oblique => GenericFontStyle::Oblique(StyleFontStyle::default_angle()),
FontStyle::Italic => GenericFontStyle::Italic,
};
let weight = StyleFontWeight(match font.weight() {
FontWeight::Thin => 100.,
FontWeight::ExtraLight => 200.,
FontWeight::Light => 300.,
// slightly grayer gray
FontWeight::SemiLight => 300.,
FontWeight::Regular => 400.,
FontWeight::Medium => 500.,
FontWeight::SemiBold => 600.,
FontWeight::Bold => 700.,
FontWeight::ExtraBold => 800.,
FontWeight::Black => 900.,
// slightly blacker black
FontWeight::ExtraBlack => 1000.,
});
let stretch = NonNegative(match font.stretch() {
FontStretch::Undefined => FontStretchKeyword::Normal,
FontStretch::UltraCondensed => FontStretchKeyword::UltraCondensed,
FontStretch::ExtraCondensed => FontStretchKeyword::ExtraCondensed,
FontStretch::Condensed => FontStretchKeyword::Condensed,
FontStretch::SemiCondensed => FontStretchKeyword::SemiCondensed,
FontStretch::Normal => FontStretchKeyword::Normal,
FontStretch::SemiExpanded => FontStretchKeyword::SemiExpanded,
FontStretch::Expanded => FontStretchKeyword::Expanded,
FontStretch::ExtraExpanded => FontStretchKeyword::ExtraExpanded,
FontStretch::UltraExpanded => FontStretchKeyword::UltraExpanded,
}.compute());
Ok(FontInfo {
family_name: font.family_name(),
face_name: font.face_name(),
style: style,
weight: weight,
stretch: stretch,
style,
weight,
stretch,
})
}
}
@ -297,11 +302,8 @@ impl FontHandleMethods for FontHandle {
Some(self.info.face_name.clone())
}
fn is_italic(&self) -> bool {
match self.info.style {
FontStyle::Normal => false,
FontStyle::Oblique | FontStyle::Italic => true,
}
fn style(&self) -> StyleFontStyle {
self.info.style
}
fn boldness(&self) -> StyleFontWeight {

7
components/gfx/tests/font_context.rs
View file

@ -22,12 +22,13 @@ use std::fs::File;
use std::io::prelude::*;
use std::path::PathBuf;
use std::rc::Rc;
use style::properties::longhands::font_stretch::computed_value::T as FontStretch;
use style::properties::longhands::font_style::computed_value::T as FontStyle;
use style::properties::longhands::font_variant_caps::computed_value::T as FontVariantCaps;
use style::properties::style_structs::Font as FontStyleStruct;
use style::values::computed::Percentage;
use style::values::computed::font::{FamilyName, FamilyNameSyntax, FontFamily, FontFamilyList, FontSize};
use style::values::computed::font::{FontWeight, SingleFontFamily};
use style::values::generics::NonNegative;
use style::values::generics::font::FontStyle;
struct TestFontSource {
handle: FontContextHandle,
@ -108,7 +109,7 @@ fn style() -> FontStyleStruct {
font_variant_caps: FontVariantCaps::Normal,
font_weight: FontWeight::normal(),
font_size: FontSize::medium(),
font_stretch: FontStretch::Normal,
font_stretch: NonNegative(Percentage(1.)),
hash: 0,
};
style.compute_font_hash();

20
components/gfx/tests/font_template.rs
View file

@ -16,8 +16,10 @@ fn test_font_template_descriptor() {
use std::fs::File;
use std::io::prelude::*;
use std::path::PathBuf;
use style::computed_values::font_stretch::T as FontStretch;
use style::values::computed::Percentage;
use style::values::computed::font::FontWeight;
use style::values::generics::NonNegative;
use style::values::generics::font::FontStyle;
fn descriptor(filename: &str) -> FontTemplateDescriptor {
let mut path: PathBuf = [
@ -43,25 +45,25 @@ fn test_font_template_descriptor() {
assert_eq!(descriptor("DejaVuSans"), FontTemplateDescriptor {
weight: FontWeight::normal(),
stretch: FontStretch::Normal,
italic: false,
stretch: NonNegative(Percentage(1.)),
style: FontStyle::Normal,
});
assert_eq!(descriptor("DejaVuSans-Bold"), FontTemplateDescriptor {
weight: FontWeight::bold(),
stretch: FontStretch::Normal,
italic: false,
stretch: NonNegative(Percentage(1.)),
style: FontStyle::Normal,
});
assert_eq!(descriptor("DejaVuSans-Oblique"), FontTemplateDescriptor {
weight: FontWeight::normal(),
stretch: FontStretch::Normal,
italic: true,
stretch: NonNegative(Percentage(1.)),
style: FontStyle::Italic,
});
assert_eq!(descriptor("DejaVuSansCondensed-BoldOblique"), FontTemplateDescriptor {
weight: FontWeight::bold(),
stretch: FontStretch::SemiCondensed,
italic: true,
stretch: NonNegative(Percentage(0.875)),
style: FontStyle::Italic,
});
}

6
components/layout/multicol.rs
View file

@ -104,13 +104,13 @@ impl Flow for MulticolFlow {
self.block_flow.fragment.border_box.size.inline - padding_and_borders;
let column_width;
{
let column_style = self.block_flow.fragment.style.get_column();
let column_gap = match column_style.column_gap {
let style = &self.block_flow.fragment.style;
let column_gap = match style.get_position().column_gap {
Either::First(len) => len.0.to_pixel_length(content_inline_size).into(),
Either::Second(_normal) => self.block_flow.fragment.style.get_font().font_size.size(),
};
let column_style = style.get_column();
let mut column_count;
if let Either::First(column_width) = column_style.column_width {
let column_width = Au::from(column_width);

105
components/style/applicable_declarations.rs
View file

@ -5,12 +5,11 @@
//! Applicable declarations management.
use properties::PropertyDeclarationBlock;
use rule_tree::{CascadeLevel, StyleSource};
use rule_tree::{CascadeLevel, ShadowCascadeOrder, StyleSource};
use servo_arc::Arc;
use shared_lock::Locked;
use smallvec::SmallVec;
use std::fmt::{self, Debug};
use std::mem;
/// List of applicable declarations. This is a transient structure that shuttles
/// declarations between selector matching and inserting into the rule tree, and
@ -25,45 +24,67 @@ pub type ApplicableDeclarationList = SmallVec<[ApplicableDeclarationBlock; 16]>;
/// That's a limit that could be reached in realistic webpages, so we use
/// 24 bits and enforce defined behavior in the overflow case.
///
/// Note that the value of 24 is also hard-coded into the level() accessor,
/// which does a byte-aligned load of the 4th byte. If you change this value
/// you'll need to change that as well.
///
/// [1] https://cs.chromium.org/chromium/src/third_party/WebKit/Source/core/css/
/// RuleSet.h?l=128&rcl=90140ab80b84d0f889abc253410f44ed54ae04f3
const SOURCE_ORDER_SHIFT: usize = 0;
const SOURCE_ORDER_BITS: usize = 24;
const SOURCE_ORDER_MASK: u32 = (1 << SOURCE_ORDER_BITS) - 1;
const SOURCE_ORDER_MAX: u32 = SOURCE_ORDER_MASK;
const SOURCE_ORDER_MAX: u32 = (1 << SOURCE_ORDER_BITS) - 1;
const SOURCE_ORDER_MASK: u32 = SOURCE_ORDER_MAX << SOURCE_ORDER_SHIFT;
/// Stores the source order of a block and the cascade level it belongs to.
/// We store up-to-15 shadow order levels.
///
/// You'd need an element slotted across 16 components with ::slotted rules to
/// trigger this as of this writing, which looks... Unlikely.
const SHADOW_CASCADE_ORDER_SHIFT: usize = SOURCE_ORDER_BITS;
const SHADOW_CASCADE_ORDER_BITS: usize = 4;
const SHADOW_CASCADE_ORDER_MAX: u8 = (1 << SHADOW_CASCADE_ORDER_BITS) - 1;
const SHADOW_CASCADE_ORDER_MASK: u32 = (SHADOW_CASCADE_ORDER_MAX as u32) << SHADOW_CASCADE_ORDER_SHIFT;
const CASCADE_LEVEL_SHIFT: usize = SOURCE_ORDER_BITS + SHADOW_CASCADE_ORDER_BITS;
const CASCADE_LEVEL_BITS: usize = 4;
const CASCADE_LEVEL_MAX: u8 = (1 << CASCADE_LEVEL_BITS) - 1;
const CASCADE_LEVEL_MASK: u32 = (CASCADE_LEVEL_MAX as u32) << CASCADE_LEVEL_SHIFT;
/// Stores the source order of a block, the cascade level it belongs to, and the
/// counter needed to handle Shadow DOM cascade order properly.
#[derive(Clone, Copy, Eq, MallocSizeOf, PartialEq)]
struct SourceOrderAndCascadeLevel(u32);
struct ApplicableDeclarationBits(u32);
impl SourceOrderAndCascadeLevel {
fn new(source_order: u32, cascade_level: CascadeLevel) -> SourceOrderAndCascadeLevel {
impl ApplicableDeclarationBits {
fn new(
source_order: u32,
cascade_level: CascadeLevel,
shadow_cascade_order: ShadowCascadeOrder,
) -> Self {
debug_assert!(
cascade_level as u8 <= CASCADE_LEVEL_MAX,
"Gotta find more bits!"
);
let mut bits = ::std::cmp::min(source_order, SOURCE_ORDER_MAX);
bits |= (cascade_level as u8 as u32) << SOURCE_ORDER_BITS;
SourceOrderAndCascadeLevel(bits)
bits |= ((shadow_cascade_order & SHADOW_CASCADE_ORDER_MAX) as u32) << SHADOW_CASCADE_ORDER_SHIFT;
bits |= (cascade_level as u8 as u32) << CASCADE_LEVEL_SHIFT;
ApplicableDeclarationBits(bits)
}
fn order(&self) -> u32 {
self.0 & SOURCE_ORDER_MASK
fn source_order(&self) -> u32 {
(self.0 & SOURCE_ORDER_MASK) >> SOURCE_ORDER_SHIFT
}
fn shadow_cascade_order(&self) -> ShadowCascadeOrder {
((self.0 & SHADOW_CASCADE_ORDER_MASK) >> SHADOW_CASCADE_ORDER_SHIFT) as ShadowCascadeOrder
}
fn level(&self) -> CascadeLevel {
unsafe {
// Transmute rather than shifting so that we're sure the compiler
// emits a simple byte-aligned load.
let as_bytes: [u8; 4] = mem::transmute(self.0);
CascadeLevel::from_byte(as_bytes[3])
}
let byte = ((self.0 & CASCADE_LEVEL_MASK) >> CASCADE_LEVEL_SHIFT) as u8;
unsafe { CascadeLevel::from_byte(byte) }
}
}
impl Debug for SourceOrderAndCascadeLevel {
impl Debug for ApplicableDeclarationBits {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("SourceOrderAndCascadeLevel")
.field("order", &self.order())
f.debug_struct("ApplicableDeclarationBits")
.field("source_order", &self.source_order())
.field("shadow_cascade_order", &self.shadow_cascade_order())
.field("level", &self.level())
.finish()
}
@ -79,8 +100,9 @@ pub struct ApplicableDeclarationBlock {
/// The style source, either a style rule, or a property declaration block.
#[ignore_malloc_size_of = "Arc"]
pub source: StyleSource,
/// The source order of the block, and the cascade level it belongs to.
order_and_level: SourceOrderAndCascadeLevel,
/// The bits containing the source order, cascade level, and shadow cascade
/// order.
bits: ApplicableDeclarationBits,
/// The specificity of the selector this block is represented by.
pub specificity: u32,
}
@ -95,38 +117,45 @@ impl ApplicableDeclarationBlock {
) -> Self {
ApplicableDeclarationBlock {
source: StyleSource::Declarations(declarations),
order_and_level: SourceOrderAndCascadeLevel::new(0, level),
bits: ApplicableDeclarationBits::new(0, level, 0),
specificity: 0,
}
}
/// Constructs an applicable declaration block from the given components
#[inline]
pub fn new(source: StyleSource, order: u32, level: CascadeLevel, specificity: u32) -> Self {
pub fn new(
source: StyleSource,
order: u32,
level: CascadeLevel,
specificity: u32,
shadow_cascade_order: ShadowCascadeOrder,
) -> Self {
ApplicableDeclarationBlock {
source: source,
order_and_level: SourceOrderAndCascadeLevel::new(order, level),
specificity: specificity,
source,
bits: ApplicableDeclarationBits::new(order, level, shadow_cascade_order),
specificity,
}
}
/// Returns the source order of the block.
#[inline]
pub fn source_order(&self) -> u32 {
self.order_and_level.order()
self.bits.source_order()
}
/// Returns the cascade level of the block.
#[inline]
pub fn level(&self) -> CascadeLevel {
self.order_and_level.level()
self.bits.level()
}
/// Convenience method to consume self and return the source alongside the
/// level.
/// Convenience method to consume self and return the right thing for the
/// rule tree to iterate over.
#[inline]
pub fn order_and_level(self) -> (StyleSource, CascadeLevel) {
pub fn for_rule_tree(self) -> (StyleSource, CascadeLevel, ShadowCascadeOrder) {
let level = self.level();
(self.source, level)
let cascade_order = self.bits.shadow_cascade_order();
(self.source, level, cascade_order)
}
}

91
components/style/build_gecko.rs
View file

@ -3,38 +3,19 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
mod common {
use std::{env, fs, io};
use std::path::{Path, PathBuf};
use std::env;
use std::path::PathBuf;
lazy_static! {
pub static ref OUTDIR_PATH: PathBuf =
PathBuf::from(env::var_os("OUT_DIR").unwrap()).join("gecko");
}
/// Copy contents of one directory into another.
/// It currently only does a shallow copy.
pub fn copy_dir<P, Q, F>(from: P, to: Q, callback: F) -> io::Result<()>
where
P: AsRef<Path>,
Q: AsRef<Path>,
F: Fn(&Path),
{
let to = to.as_ref();
for entry in from.as_ref().read_dir()? {
let entry = entry?;
let path = entry.path();
callback(&path);
fs::copy(&path, to.join(entry.file_name()))?;
}
Ok(())
}
}
#[cfg(feature = "bindgen")]
mod bindings {
use bindgen::{Builder, CodegenConfig};
use bindgen::callbacks::{EnumVariantCustomBehavior, EnumVariantValue, ParseCallbacks};
use regex::{Regex, RegexSet};
use regex::Regex;
use std::cmp;
use std::collections::{HashMap, HashSet};
use std::env;
@ -416,27 +397,6 @@ mod bindings {
}
fn generate_structs() {
#[derive(Debug)]
struct Callbacks(HashMap<String, RegexSet>);
impl ParseCallbacks for Callbacks {
fn enum_variant_behavior(
&self,
enum_name: Option<&str>,
variant_name: &str,
_variant_value: EnumVariantValue,
) -> Option<EnumVariantCustomBehavior> {
enum_name
.and_then(|enum_name| self.0.get(enum_name))
.and_then(|regex| {
if regex.is_match(variant_name) {
Some(EnumVariantCustomBehavior::Constify)
} else {
None
}
})
}
}
let builder = Builder::get_initial_builder()
.enable_cxx_namespaces()
.with_codegen_config(CodegenConfig {
@ -452,21 +412,6 @@ mod bindings {
.handle_str_items("whitelist-vars", |b, item| b.whitelist_var(item))
.handle_str_items("whitelist-types", |b, item| b.whitelist_type(item))
.handle_str_items("opaque-types", |b, item| b.opaque_type(item))
.handle_list("constified-enum-variants", |builder, iter| {
let mut map = HashMap::new();
for item in iter {
let item = item.as_table().unwrap();
let name = item["enum"].as_str().unwrap();
let variants = item["variants"]
.as_array()
.unwrap()
.as_slice()
.iter()
.map(|item| item.as_str().unwrap());
map.insert(name.into(), RegexSet::new(variants).unwrap());
}
builder.parse_callbacks(Box::new(Callbacks(map)))
})
.handle_table_items("mapped-generic-types", |builder, item| {
let generic = item["generic"].as_bool().unwrap();
let gecko = item["gecko"].as_str().unwrap();
@ -650,23 +595,33 @@ mod bindings {
generate_bindings(),
generate_atoms(),
}
// Copy all generated files to dist for the binding package
let path = DISTDIR_PATH.join("rust_bindings/style");
if path.exists() {
fs::remove_dir_all(&path).expect("Fail to remove binding dir in dist");
}
fs::create_dir_all(&path).expect("Fail to create bindings dir in dist");
copy_dir(&*OUTDIR_PATH, &path, |_| {}).expect("Fail to copy generated files to dist dir");
}
}
#[cfg(not(feature = "bindgen"))]
mod bindings {
use std::env;
use std::path::PathBuf;
use std::{env, fs, io};
use std::path::{Path, PathBuf};
use super::common::*;
/// Copy contents of one directory into another.
/// It currently only does a shallow copy.
fn copy_dir<P, Q, F>(from: P, to: Q, callback: F) -> io::Result<()>
where
P: AsRef<Path>,
Q: AsRef<Path>,
F: Fn(&Path),
{
let to = to.as_ref();
for entry in from.as_ref().read_dir()? {
let entry = entry?;
let path = entry.path();
callback(&path);
fs::copy(&path, to.join(entry.file_name()))?;
}
Ok(())
}
pub fn generate() {
let dir = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap()).join("gecko/generated");
println!("cargo:rerun-if-changed={}", dir.display());

128
components/style/font_face.rs
View file

@ -6,10 +6,6 @@
//!
//! [ff]: https://drafts.csswg.org/css-fonts/#at-font-face-rule
#![deny(missing_docs)]
#[cfg(feature = "gecko")]
use computed_values::{font_stretch, font_style, font_weight};
use cssparser::{AtRuleParser, DeclarationListParser, DeclarationParser, Parser};
use cssparser::{CowRcStr, SourceLocation};
#[cfg(feature = "gecko")]
@ -26,8 +22,12 @@ use style_traits::{Comma, CssWriter, OneOrMoreSeparated, ParseError};
use style_traits::{StyleParseErrorKind, ToCss};
use style_traits::values::SequenceWriter;
use values::computed::font::FamilyName;
use values::generics::font::FontStyle as GenericFontStyle;
use values::specified::Angle;
use values::specified::font::{AbsoluteFontWeight, FontStretch as SpecifiedFontStretch};
#[cfg(feature = "gecko")]
use values::specified::font::{SpecifiedFontFeatureSettings, SpecifiedFontVariationSettings};
use values::specified::font::SpecifiedFontStyle;
use values::specified::url::SpecifiedUrl;
/// A source for a font-face rule.
@ -92,41 +92,97 @@ pub enum FontDisplay {
Optional,
}
/// A font-weight value for a @font-face rule.
/// The font-weight CSS property specifies the weight or boldness of the font.
#[cfg(feature = "gecko")]
#[derive(Clone, Debug, Eq, PartialEq, ToCss)]
pub enum FontWeight {
/// Numeric font weights for fonts that provide more than just normal and bold.
Weight(font_weight::T),
/// Normal font weight. Same as 400.
Normal,
/// Bold font weight. Same as 700.
Bold,
}
/// The font-weight descriptor:
///
/// https://drafts.csswg.org/css-fonts-4/#descdef-font-face-font-weight
#[derive(Clone, Debug, PartialEq, ToCss)]
pub struct FontWeight(pub AbsoluteFontWeight, pub Option<AbsoluteFontWeight>);
#[cfg(feature = "gecko")]
impl Parse for FontWeight {
fn parse<'i, 't>(
_: &ParserContext,
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<FontWeight, ParseError<'i>> {
let result = input.try(|input| {
let ident = input.expect_ident().map_err(|_| ())?;
match_ignore_ascii_case! { &ident,
"normal" => Ok(FontWeight::Normal),
"bold" => Ok(FontWeight::Bold),
_ => Err(())
) -> Result<Self, ParseError<'i>> {
let first = AbsoluteFontWeight::parse(context, input)?;
let second =
input.try(|input| AbsoluteFontWeight::parse(context, input)).ok();
Ok(FontWeight(first, second))
}
}
/// The font-stretch descriptor:
///
/// https://drafts.csswg.org/css-fonts-4/#descdef-font-face-font-stretch
#[derive(Clone, Debug, PartialEq, ToCss)]
pub struct FontStretch(pub SpecifiedFontStretch, pub Option<SpecifiedFontStretch>);
impl Parse for FontStretch {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
let first = SpecifiedFontStretch::parse(context, input)?;
let second =
input.try(|input| SpecifiedFontStretch::parse(context, input)).ok();
Ok(FontStretch(first, second))
}
}
/// The font-style descriptor:
///
/// https://drafts.csswg.org/css-fonts-4/#descdef-font-face-font-style
#[derive(Clone, Debug, PartialEq)]
#[allow(missing_docs)]
pub enum FontStyle {
Normal,
Italic,
Oblique(Angle, Angle),
}
impl Parse for FontStyle {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
let style = SpecifiedFontStyle::parse(context, input)?;
Ok(match style {
GenericFontStyle::Normal => FontStyle::Normal,
GenericFontStyle::Italic => FontStyle::Italic,
GenericFontStyle::Oblique(angle) => {
let second_angle = input.try(|input| {
SpecifiedFontStyle::parse_angle(context, input)
}).unwrap_or_else(|_| angle.clone());
FontStyle::Oblique(angle, second_angle)
}
});
result.or_else(|_| {
font_weight::T::from_int(input.expect_integer()?)
.map(FontWeight::Weight)
.map_err(|()| input.new_custom_error(StyleParseErrorKind::UnspecifiedError))
})
}
}
impl ToCss for FontStyle {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: fmt::Write,
{
match *self {
FontStyle::Normal => dest.write_str("normal"),
FontStyle::Italic => dest.write_str("italic"),
FontStyle::Oblique(ref first, ref second) => {
dest.write_str("oblique")?;
if *first != SpecifiedFontStyle::default_angle() || first != second {
dest.write_char(' ')?;
first.to_css(dest)?;
}
if first != second {
dest.write_char(' ')?;
second.to_css(dest)?;
}
Ok(())
}
}
}
}
/// Parse the block inside a `@font-face` rule.
///
/// Note that the prelude parsing code lives in the `stylesheets` module.
@ -403,16 +459,16 @@ font_face_descriptors! {
"src" sources / mSrc: Vec<Source>,
]
optional descriptors = [
/// The style of this font face
"font-style" style / mStyle: font_style::T,
/// The style of this font face.
"font-style" style / mStyle: FontStyle,
/// The weight of this font face
/// The weight of this font face.
"font-weight" weight / mWeight: FontWeight,
/// The stretch of this font face
"font-stretch" stretch / mStretch: font_stretch::T,
/// The stretch of this font face.
"font-stretch" stretch / mStretch: FontStretch,
/// The display of this font face
/// The display of this font face.
"font-display" display / mDisplay: FontDisplay,
/// The ranges of code points outside of which this font face should not be used.

48
components/style/gecko/generated/bindings.rs
View file

@ -232,6 +232,7 @@ use gecko_bindings::structs::nsresult;
use gecko_bindings::structs::Loader;
use gecko_bindings::structs::LoaderReusableStyleSheets;
use gecko_bindings::structs::SheetLoadData;
use gecko_bindings::structs::SheetLoadDataHolder;
use gecko_bindings::structs::ServoStyleSheet;
use gecko_bindings::structs::ServoComputedData;
use gecko_bindings::structs::ComputedStyleStrong;
@ -627,18 +628,36 @@ extern "C" {
it: RawGeckoStyleChildrenIteratorBorrowedMut,
) -> RawGeckoNodeBorrowedOrNull;
}
extern "C" {
pub fn Gecko_AddRefSheetLoadDataHolderArbitraryThread(aPtr: *mut SheetLoadDataHolder);
}
extern "C" {
pub fn Gecko_ReleaseSheetLoadDataHolderArbitraryThread(aPtr: *mut SheetLoadDataHolder);
}
extern "C" {
pub fn Gecko_StyleSheet_FinishAsyncParse(
data: *mut SheetLoadDataHolder,
sheet_contents: RawServoStyleSheetContentsStrong,
);
}
extern "C" {
pub fn Gecko_LoadStyleSheet(
loader: *mut Loader,
parent: *mut ServoStyleSheet,
parent_load_data: *mut SheetLoadData,
reusable_sheets: *mut LoaderReusableStyleSheets,
base_url_data: *mut RawGeckoURLExtraData,
url_bytes: *const u8,
url_length: u32,
url: ServoBundledURI,
media_list: RawServoMediaListStrong,
) -> *mut ServoStyleSheet;
}
extern "C" {
pub fn Gecko_LoadStyleSheetAsync(
parent_data: *mut SheetLoadDataHolder,
url: ServoBundledURI,
media_list: RawServoMediaListStrong,
import_rule: RawServoImportRuleStrong,
);
}
extern "C" {
pub fn Gecko_ElementState(element: RawGeckoElementBorrowed) -> u64;
}
@ -1996,8 +2015,7 @@ extern "C" {
loader: *mut Loader,
gecko_stylesheet: *mut ServoStyleSheet,
load_data: *mut SheetLoadData,
data: *const u8,
data_len: usize,
bytes: *const nsACString,
parsing_mode: SheetParsingMode,
extra_data: *mut RawGeckoURLExtraData,
line_number_offset: u32,
@ -2005,6 +2023,16 @@ extern "C" {
reusable_sheets: *mut LoaderReusableStyleSheets,
) -> RawServoStyleSheetContentsStrong;
}
extern "C" {
pub fn Servo_StyleSheet_FromUTF8BytesAsync(
load_data: *mut SheetLoadDataHolder,
extra_data: *mut RawGeckoURLExtraData,
bytes: *const nsACString,
parsing_mode: SheetParsingMode,
line_number_offset: u32,
quirks_mode: nsCompatibility,
);
}
extern "C" {
pub fn Servo_StyleSheet_Empty(
parsing_mode: SheetParsingMode,
@ -2512,12 +2540,22 @@ extern "C" {
pseudo_type: CSSPseudoElementType,
) -> bool;
}
extern "C" {
pub fn Servo_StyleRule_SetSelectorText(
sheet: RawServoStyleSheetContentsBorrowed,
rule: RawServoStyleRuleBorrowed,
text: *const nsAString,
) -> bool;
}
extern "C" {
pub fn Servo_ImportRule_GetHref(rule: RawServoImportRuleBorrowed, result: *mut nsAString);
}
extern "C" {
pub fn Servo_ImportRule_GetSheet(rule: RawServoImportRuleBorrowed) -> *const ServoStyleSheet;
}
extern "C" {
pub fn Servo_ImportRule_SetSheet(rule: RawServoImportRuleBorrowed, sheet: *mut ServoStyleSheet);
}
extern "C" {
pub fn Servo_Keyframe_GetKeyText(keyframe: RawServoKeyframeBorrowed, result: *mut nsAString);
}

517
components/style/gecko/generated/structs.rs
View file

@ -149,15 +149,15 @@ pub mod root {
pub const NS_FONT_WEIGHT_NORMAL: u32 = 400;
pub const NS_FONT_WEIGHT_BOLD: u32 = 700;
pub const NS_FONT_WEIGHT_THIN: u32 = 100;
pub const NS_FONT_STRETCH_ULTRA_CONDENSED: i32 = -4;
pub const NS_FONT_STRETCH_EXTRA_CONDENSED: i32 = -3;
pub const NS_FONT_STRETCH_CONDENSED: i32 = -2;
pub const NS_FONT_STRETCH_SEMI_CONDENSED: i32 = -1;
pub const NS_FONT_STRETCH_NORMAL: u32 = 0;
pub const NS_FONT_STRETCH_SEMI_EXPANDED: u32 = 1;
pub const NS_FONT_STRETCH_EXPANDED: u32 = 2;
pub const NS_FONT_STRETCH_EXTRA_EXPANDED: u32 = 3;
pub const NS_FONT_STRETCH_ULTRA_EXPANDED: u32 = 4;
pub const NS_FONT_STRETCH_ULTRA_CONDENSED: u32 = 50;
pub const NS_FONT_STRETCH_EXTRA_CONDENSED: u32 = 62;
pub const NS_FONT_STRETCH_CONDENSED: u32 = 75;
pub const NS_FONT_STRETCH_SEMI_CONDENSED: u32 = 87;
pub const NS_FONT_STRETCH_NORMAL: u32 = 100;
pub const NS_FONT_STRETCH_SEMI_EXPANDED: u32 = 112;
pub const NS_FONT_STRETCH_EXPANDED: u32 = 125;
pub const NS_FONT_STRETCH_EXTRA_EXPANDED: u32 = 150;
pub const NS_FONT_STRETCH_ULTRA_EXPANDED: u32 = 200;
pub const NS_FONT_SMOOTHING_AUTO: u32 = 0;
pub const NS_FONT_SMOOTHING_GRAYSCALE: u32 = 1;
pub const NS_FONT_KERNING_AUTO: u32 = 0;
@ -429,15 +429,15 @@ pub mod root {
pub const NS_STYLE_FONT_SIZE_LARGER: u32 = 8;
pub const NS_STYLE_FONT_SIZE_SMALLER: u32 = 9;
pub const NS_STYLE_FONT_SIZE_NO_KEYWORD: u32 = 10;
pub const NS_STYLE_FONT_STRETCH_ULTRA_CONDENSED: i32 = -4;
pub const NS_STYLE_FONT_STRETCH_EXTRA_CONDENSED: i32 = -3;
pub const NS_STYLE_FONT_STRETCH_CONDENSED: i32 = -2;
pub const NS_STYLE_FONT_STRETCH_SEMI_CONDENSED: i32 = -1;
pub const NS_STYLE_FONT_STRETCH_NORMAL: u32 = 0;
pub const NS_STYLE_FONT_STRETCH_SEMI_EXPANDED: u32 = 1;
pub const NS_STYLE_FONT_STRETCH_EXPANDED: u32 = 2;
pub const NS_STYLE_FONT_STRETCH_EXTRA_EXPANDED: u32 = 3;
pub const NS_STYLE_FONT_STRETCH_ULTRA_EXPANDED: u32 = 4;
pub const NS_STYLE_FONT_STRETCH_ULTRA_CONDENSED: u32 = 50;
pub const NS_STYLE_FONT_STRETCH_EXTRA_CONDENSED: u32 = 62;
pub const NS_STYLE_FONT_STRETCH_CONDENSED: u32 = 75;
pub const NS_STYLE_FONT_STRETCH_SEMI_CONDENSED: u32 = 87;
pub const NS_STYLE_FONT_STRETCH_NORMAL: u32 = 100;
pub const NS_STYLE_FONT_STRETCH_SEMI_EXPANDED: u32 = 112;
pub const NS_STYLE_FONT_STRETCH_EXPANDED: u32 = 125;
pub const NS_STYLE_FONT_STRETCH_EXTRA_EXPANDED: u32 = 150;
pub const NS_STYLE_FONT_STRETCH_ULTRA_EXPANDED: u32 = 200;
pub const NS_STYLE_FONT_CAPTION: u32 = 1;
pub const NS_STYLE_FONT_ICON: u32 = 2;
pub const NS_STYLE_FONT_MENU: u32 = 3;
@ -6471,6 +6471,8 @@ pub mod root {
__bindgen_bitfield_unit
}
}
pub type SheetLoadDataHolder =
root::nsMainThreadPtrHolder<root::mozilla::css::SheetLoadData>;
#[repr(C)]
#[derive(Debug, Copy)]
pub struct ImageLoader {
@ -17422,6 +17424,16 @@ pub mod root {
);
}
#[repr(C)]
#[derive(Debug)]
pub struct nsMainThreadPtrHolder<T> {
pub mRefCnt: root::mozilla::ThreadSafeAutoRefCnt,
pub mRawPtr: *mut T,
pub mStrict: bool,
pub mMainThreadEventTarget: root::nsCOMPtr,
pub mName: *const ::std::os::raw::c_char,
pub _phantom_0: ::std::marker::PhantomData<::std::cell::UnsafeCell<T>>,
}
#[repr(C)]
#[derive(Debug, Copy)]
pub struct nsISerializable {
pub _base: root::nsISupports,
@ -18354,18 +18366,6 @@ pub mod root {
pub type nsRefPtrHashKey_KeyTypePointer<T> = *mut T;
pub const nsRefPtrHashKey_ALLOW_MEMMOVE: root::nsRefPtrHashKey__bindgen_ty_1 = 0;
pub type nsRefPtrHashKey__bindgen_ty_1 = i32;
pub const nsCSSPropertyID_eCSSProperty_COUNT_no_shorthands: root::nsCSSPropertyID =
nsCSSPropertyID::eCSSProperty_all;
pub const nsCSSPropertyID_eCSSProperty_COUNT_DUMMY: root::nsCSSPropertyID =
nsCSSPropertyID::eCSSProperty_z_index;
pub const nsCSSPropertyID_eCSSProperty_COUNT: root::nsCSSPropertyID =
nsCSSPropertyID::eCSSPropertyAlias_WordWrap;
pub const nsCSSPropertyID_eCSSProperty_COUNT_DUMMY2: root::nsCSSPropertyID =
nsCSSPropertyID::eCSSProperty_transition;
pub const nsCSSPropertyID_eCSSProperty_COUNT_with_aliases: root::nsCSSPropertyID =
nsCSSPropertyID::eCSSPropertyExtra_no_properties;
pub const nsCSSPropertyID_eCSSProperty_COUNT_DUMMY3: root::nsCSSPropertyID =
nsCSSPropertyID::eCSSPropertyAlias_WebkitMaskSize;
#[repr(i32)]
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum nsCSSPropertyID {
@ -18516,11 +18516,11 @@ pub mod root {
eCSSProperty_grid_template_rows = 143,
eCSSProperty_height = 144,
eCSSProperty_hyphens = 145,
eCSSProperty_initial_letter = 146,
eCSSProperty_image_orientation = 147,
eCSSProperty__moz_image_region = 148,
eCSSProperty_image_rendering = 149,
eCSSProperty_ime_mode = 150,
eCSSProperty_image_orientation = 146,
eCSSProperty__moz_image_region = 147,
eCSSProperty_image_rendering = 148,
eCSSProperty_ime_mode = 149,
eCSSProperty_initial_letter = 150,
eCSSProperty_inline_size = 151,
eCSSProperty_isolation = 152,
eCSSProperty_justify_content = 153,
@ -18587,113 +18587,113 @@ pub mod root {
eCSSProperty_outline_width = 214,
eCSSProperty_overflow_clip_box_block = 215,
eCSSProperty_overflow_clip_box_inline = 216,
eCSSProperty_overflow_x = 217,
eCSSProperty_overflow_y = 218,
eCSSProperty_padding_block_end = 219,
eCSSProperty_padding_block_start = 220,
eCSSProperty_padding_bottom = 221,
eCSSProperty_padding_inline_end = 222,
eCSSProperty_padding_inline_start = 223,
eCSSProperty_padding_left = 224,
eCSSProperty_padding_right = 225,
eCSSProperty_padding_top = 226,
eCSSProperty_page_break_after = 227,
eCSSProperty_page_break_before = 228,
eCSSProperty_page_break_inside = 229,
eCSSProperty_paint_order = 230,
eCSSProperty_perspective = 231,
eCSSProperty_perspective_origin = 232,
eCSSProperty_pointer_events = 233,
eCSSProperty_position = 234,
eCSSProperty_quotes = 235,
eCSSProperty_resize = 236,
eCSSProperty_right = 237,
eCSSProperty_rotate = 238,
eCSSProperty_ruby_align = 239,
eCSSProperty_ruby_position = 240,
eCSSProperty__moz_script_level = 241,
eCSSProperty__moz_script_min_size = 242,
eCSSProperty__moz_script_size_multiplier = 243,
eCSSProperty_scroll_behavior = 244,
eCSSProperty_overscroll_behavior_x = 245,
eCSSProperty_overscroll_behavior_y = 246,
eCSSProperty_scroll_snap_coordinate = 247,
eCSSProperty_scroll_snap_destination = 248,
eCSSProperty_scroll_snap_points_x = 249,
eCSSProperty_scroll_snap_points_y = 250,
eCSSProperty_scroll_snap_type_x = 251,
eCSSProperty_scroll_snap_type_y = 252,
eCSSProperty_shape_image_threshold = 253,
eCSSProperty_shape_outside = 254,
eCSSProperty_shape_rendering = 255,
eCSSProperty__x_span = 256,
eCSSProperty__moz_stack_sizing = 257,
eCSSProperty_stop_color = 258,
eCSSProperty_stop_opacity = 259,
eCSSProperty_stroke = 260,
eCSSProperty_stroke_dasharray = 261,
eCSSProperty_stroke_dashoffset = 262,
eCSSProperty_stroke_linecap = 263,
eCSSProperty_stroke_linejoin = 264,
eCSSProperty_stroke_miterlimit = 265,
eCSSProperty_stroke_opacity = 266,
eCSSProperty_stroke_width = 267,
eCSSProperty__moz_tab_size = 268,
eCSSProperty_table_layout = 269,
eCSSProperty_text_align = 270,
eCSSProperty_text_align_last = 271,
eCSSProperty_text_anchor = 272,
eCSSProperty_text_combine_upright = 273,
eCSSProperty_text_decoration_color = 274,
eCSSProperty_text_decoration_line = 275,
eCSSProperty_text_decoration_style = 276,
eCSSProperty_text_emphasis_color = 277,
eCSSProperty_text_emphasis_position = 278,
eCSSProperty_text_emphasis_style = 279,
eCSSProperty__webkit_text_fill_color = 280,
eCSSProperty_text_indent = 281,
eCSSProperty_text_justify = 282,
eCSSProperty_text_orientation = 283,
eCSSProperty_text_overflow = 284,
eCSSProperty_text_rendering = 285,
eCSSProperty_text_shadow = 286,
eCSSProperty__moz_text_size_adjust = 287,
eCSSProperty__webkit_text_stroke_color = 288,
eCSSProperty__webkit_text_stroke_width = 289,
eCSSProperty_scale = 290,
eCSSProperty_text_transform = 291,
eCSSProperty__x_text_zoom = 292,
eCSSProperty_top = 293,
eCSSProperty__moz_top_layer = 294,
eCSSProperty_touch_action = 295,
eCSSProperty_transform = 296,
eCSSProperty_transform_box = 297,
eCSSProperty_transform_origin = 298,
eCSSProperty_transform_style = 299,
eCSSProperty_transition_delay = 300,
eCSSProperty_transition_duration = 301,
eCSSProperty_transition_property = 302,
eCSSProperty_transition_timing_function = 303,
eCSSProperty_translate = 304,
eCSSProperty_unicode_bidi = 305,
eCSSProperty__moz_user_focus = 306,
eCSSProperty__moz_user_input = 307,
eCSSProperty__moz_user_modify = 308,
eCSSProperty__moz_user_select = 309,
eCSSProperty_vector_effect = 310,
eCSSProperty_vertical_align = 311,
eCSSProperty_visibility = 312,
eCSSProperty_white_space = 313,
eCSSProperty_width = 314,
eCSSProperty_will_change = 315,
eCSSProperty__moz_window_dragging = 316,
eCSSProperty__moz_window_shadow = 317,
eCSSProperty_overflow_wrap = 217,
eCSSProperty_overflow_x = 218,
eCSSProperty_overflow_y = 219,
eCSSProperty_overscroll_behavior_x = 220,
eCSSProperty_overscroll_behavior_y = 221,
eCSSProperty_padding_block_end = 222,
eCSSProperty_padding_block_start = 223,
eCSSProperty_padding_bottom = 224,
eCSSProperty_padding_inline_end = 225,
eCSSProperty_padding_inline_start = 226,
eCSSProperty_padding_left = 227,
eCSSProperty_padding_right = 228,
eCSSProperty_padding_top = 229,
eCSSProperty_page_break_after = 230,
eCSSProperty_page_break_before = 231,
eCSSProperty_page_break_inside = 232,
eCSSProperty_paint_order = 233,
eCSSProperty_perspective = 234,
eCSSProperty_perspective_origin = 235,
eCSSProperty_pointer_events = 236,
eCSSProperty_position = 237,
eCSSProperty_quotes = 238,
eCSSProperty_resize = 239,
eCSSProperty_right = 240,
eCSSProperty_rotate = 241,
eCSSProperty_ruby_align = 242,
eCSSProperty_ruby_position = 243,
eCSSProperty_scale = 244,
eCSSProperty__moz_script_level = 245,
eCSSProperty__moz_script_min_size = 246,
eCSSProperty__moz_script_size_multiplier = 247,
eCSSProperty_scroll_behavior = 248,
eCSSProperty_scroll_snap_coordinate = 249,
eCSSProperty_scroll_snap_destination = 250,
eCSSProperty_scroll_snap_points_x = 251,
eCSSProperty_scroll_snap_points_y = 252,
eCSSProperty_scroll_snap_type_x = 253,
eCSSProperty_scroll_snap_type_y = 254,
eCSSProperty_shape_image_threshold = 255,
eCSSProperty_shape_outside = 256,
eCSSProperty_shape_rendering = 257,
eCSSProperty__x_span = 258,
eCSSProperty__moz_stack_sizing = 259,
eCSSProperty_stop_color = 260,
eCSSProperty_stop_opacity = 261,
eCSSProperty_stroke = 262,
eCSSProperty_stroke_dasharray = 263,
eCSSProperty_stroke_dashoffset = 264,
eCSSProperty_stroke_linecap = 265,
eCSSProperty_stroke_linejoin = 266,
eCSSProperty_stroke_miterlimit = 267,
eCSSProperty_stroke_opacity = 268,
eCSSProperty_stroke_width = 269,
eCSSProperty__moz_tab_size = 270,
eCSSProperty_table_layout = 271,
eCSSProperty_text_align = 272,
eCSSProperty_text_align_last = 273,
eCSSProperty_text_anchor = 274,
eCSSProperty_text_combine_upright = 275,
eCSSProperty_text_decoration_color = 276,
eCSSProperty_text_decoration_line = 277,
eCSSProperty_text_decoration_style = 278,
eCSSProperty_text_emphasis_color = 279,
eCSSProperty_text_emphasis_position = 280,
eCSSProperty_text_emphasis_style = 281,
eCSSProperty__webkit_text_fill_color = 282,
eCSSProperty_text_indent = 283,
eCSSProperty_text_justify = 284,
eCSSProperty_text_orientation = 285,
eCSSProperty_text_overflow = 286,
eCSSProperty_text_rendering = 287,
eCSSProperty_text_shadow = 288,
eCSSProperty__moz_text_size_adjust = 289,
eCSSProperty__webkit_text_stroke_color = 290,
eCSSProperty__webkit_text_stroke_width = 291,
eCSSProperty_text_transform = 292,
eCSSProperty__x_text_zoom = 293,
eCSSProperty_top = 294,
eCSSProperty__moz_top_layer = 295,
eCSSProperty_touch_action = 296,
eCSSProperty_transform = 297,
eCSSProperty_transform_box = 298,
eCSSProperty_transform_origin = 299,
eCSSProperty_transform_style = 300,
eCSSProperty_transition_delay = 301,
eCSSProperty_transition_duration = 302,
eCSSProperty_transition_property = 303,
eCSSProperty_transition_timing_function = 304,
eCSSProperty_translate = 305,
eCSSProperty_unicode_bidi = 306,
eCSSProperty__moz_user_focus = 307,
eCSSProperty__moz_user_input = 308,
eCSSProperty__moz_user_modify = 309,
eCSSProperty__moz_user_select = 310,
eCSSProperty_vector_effect = 311,
eCSSProperty_vertical_align = 312,
eCSSProperty_visibility = 313,
eCSSProperty_white_space = 314,
eCSSProperty_width = 315,
eCSSProperty_will_change = 316,
eCSSProperty__moz_window_dragging = 317,
eCSSProperty__moz_window_opacity = 318,
eCSSProperty__moz_window_transform = 319,
eCSSProperty__moz_window_transform_origin = 320,
eCSSProperty_word_break = 321,
eCSSProperty_word_spacing = 322,
eCSSProperty_overflow_wrap = 323,
eCSSProperty__moz_window_shadow = 319,
eCSSProperty__moz_window_transform = 320,
eCSSProperty__moz_window_transform_origin = 321,
eCSSProperty_word_break = 322,
eCSSProperty_word_spacing = 323,
eCSSProperty_writing_mode = 324,
eCSSProperty_z_index = 325,
eCSSProperty_all = 326,
@ -18735,132 +18735,129 @@ pub mod root {
eCSSProperty__moz_outline_radius = 362,
eCSSProperty_overflow = 363,
eCSSProperty_overflow_clip_box = 364,
eCSSProperty_padding = 365,
eCSSProperty_place_content = 366,
eCSSProperty_place_items = 367,
eCSSProperty_place_self = 368,
eCSSProperty_overscroll_behavior = 369,
eCSSProperty_overscroll_behavior = 365,
eCSSProperty_padding = 366,
eCSSProperty_place_content = 367,
eCSSProperty_place_items = 368,
eCSSProperty_place_self = 369,
eCSSProperty_scroll_snap_type = 370,
eCSSProperty_text_decoration = 371,
eCSSProperty_text_emphasis = 372,
eCSSProperty__webkit_text_stroke = 373,
eCSSProperty_transition = 374,
eCSSPropertyAlias_WordWrap = 375,
eCSSPropertyAlias_MozTransform = 376,
eCSSPropertyAlias_MozTransformOrigin = 377,
eCSSPropertyAlias_MozPerspectiveOrigin = 378,
eCSSPropertyAlias_MozPerspective = 379,
eCSSPropertyAlias_MozTransformStyle = 380,
eCSSPropertyAlias_MozBackfaceVisibility = 381,
eCSSPropertyAlias_MozBorderImage = 382,
eCSSPropertyAlias_MozTransition = 383,
eCSSPropertyAlias_MozTransitionDelay = 384,
eCSSPropertyAlias_MozTransitionDuration = 385,
eCSSPropertyAlias_MozTransitionProperty = 386,
eCSSPropertyAlias_MozTransitionTimingFunction = 387,
eCSSPropertyAlias_MozAnimation = 388,
eCSSPropertyAlias_MozAnimationDelay = 389,
eCSSPropertyAlias_MozAnimationDirection = 390,
eCSSPropertyAlias_MozAnimationDuration = 391,
eCSSPropertyAlias_MozAnimationFillMode = 392,
eCSSPropertyAlias_MozAnimationIterationCount = 393,
eCSSPropertyAlias_MozAnimationName = 394,
eCSSPropertyAlias_MozAnimationPlayState = 395,
eCSSPropertyAlias_MozAnimationTimingFunction = 396,
eCSSPropertyAlias_MozBoxSizing = 397,
eCSSPropertyAlias_MozFontFeatureSettings = 398,
eCSSPropertyAlias_MozFontLanguageOverride = 399,
eCSSPropertyAlias_MozPaddingEnd = 400,
eCSSPropertyAlias_MozPaddingStart = 401,
eCSSPropertyAlias_MozMarginEnd = 402,
eCSSPropertyAlias_MozMarginStart = 403,
eCSSPropertyAlias_MozBorderEnd = 404,
eCSSPropertyAlias_MozBorderEndColor = 405,
eCSSPropertyAlias_MozBorderEndStyle = 406,
eCSSPropertyAlias_MozBorderEndWidth = 407,
eCSSPropertyAlias_MozBorderStart = 408,
eCSSPropertyAlias_MozBorderStartColor = 409,
eCSSPropertyAlias_MozBorderStartStyle = 410,
eCSSPropertyAlias_MozBorderStartWidth = 411,
eCSSPropertyAlias_MozHyphens = 412,
eCSSPropertyAlias_MozColumnCount = 413,
eCSSPropertyAlias_MozColumnFill = 414,
eCSSPropertyAlias_MozColumnGap = 415,
eCSSPropertyAlias_MozColumnRule = 416,
eCSSPropertyAlias_MozColumnRuleColor = 417,
eCSSPropertyAlias_MozColumnRuleStyle = 418,
eCSSPropertyAlias_MozColumnRuleWidth = 419,
eCSSPropertyAlias_MozColumnSpan = 420,
eCSSPropertyAlias_MozColumnWidth = 421,
eCSSPropertyAlias_MozColumns = 422,
eCSSPropertyAlias_WebkitAnimation = 423,
eCSSPropertyAlias_WebkitAnimationDelay = 424,
eCSSPropertyAlias_WebkitAnimationDirection = 425,
eCSSPropertyAlias_WebkitAnimationDuration = 426,
eCSSPropertyAlias_WebkitAnimationFillMode = 427,
eCSSPropertyAlias_WebkitAnimationIterationCount = 428,
eCSSPropertyAlias_WebkitAnimationName = 429,
eCSSPropertyAlias_WebkitAnimationPlayState = 430,
eCSSPropertyAlias_WebkitAnimationTimingFunction = 431,
eCSSPropertyAlias_WebkitFilter = 432,
eCSSPropertyAlias_WebkitTextSizeAdjust = 433,
eCSSPropertyAlias_WebkitTransform = 434,
eCSSPropertyAlias_WebkitTransformOrigin = 435,
eCSSPropertyAlias_WebkitTransformStyle = 436,
eCSSPropertyAlias_WebkitBackfaceVisibility = 437,
eCSSPropertyAlias_WebkitPerspective = 438,
eCSSPropertyAlias_WebkitPerspectiveOrigin = 439,
eCSSPropertyAlias_WebkitTransition = 440,
eCSSPropertyAlias_WebkitTransitionDelay = 441,
eCSSPropertyAlias_WebkitTransitionDuration = 442,
eCSSPropertyAlias_WebkitTransitionProperty = 443,
eCSSPropertyAlias_WebkitTransitionTimingFunction = 444,
eCSSPropertyAlias_WebkitBorderRadius = 445,
eCSSPropertyAlias_WebkitBorderTopLeftRadius = 446,
eCSSPropertyAlias_WebkitBorderTopRightRadius = 447,
eCSSPropertyAlias_WebkitBorderBottomLeftRadius = 448,
eCSSPropertyAlias_WebkitBorderBottomRightRadius = 449,
eCSSPropertyAlias_WebkitBackgroundClip = 450,
eCSSPropertyAlias_WebkitBackgroundOrigin = 451,
eCSSPropertyAlias_WebkitBackgroundSize = 452,
eCSSPropertyAlias_WebkitBorderImage = 453,
eCSSPropertyAlias_WebkitBoxShadow = 454,
eCSSPropertyAlias_WebkitBoxSizing = 455,
eCSSPropertyAlias_WebkitBoxFlex = 456,
eCSSPropertyAlias_WebkitBoxOrdinalGroup = 457,
eCSSPropertyAlias_WebkitBoxOrient = 458,
eCSSPropertyAlias_WebkitBoxDirection = 459,
eCSSPropertyAlias_WebkitBoxAlign = 460,
eCSSPropertyAlias_WebkitBoxPack = 461,
eCSSPropertyAlias_WebkitFlexDirection = 462,
eCSSPropertyAlias_WebkitFlexWrap = 463,
eCSSPropertyAlias_WebkitFlexFlow = 464,
eCSSPropertyAlias_WebkitOrder = 465,
eCSSPropertyAlias_WebkitFlex = 466,
eCSSPropertyAlias_WebkitFlexGrow = 467,
eCSSPropertyAlias_WebkitFlexShrink = 468,
eCSSPropertyAlias_WebkitFlexBasis = 469,
eCSSPropertyAlias_WebkitJustifyContent = 470,
eCSSPropertyAlias_WebkitAlignItems = 471,
eCSSPropertyAlias_WebkitAlignSelf = 472,
eCSSPropertyAlias_WebkitAlignContent = 473,
eCSSPropertyAlias_WebkitUserSelect = 474,
eCSSPropertyAlias_WebkitMask = 475,
eCSSPropertyAlias_WebkitMaskClip = 476,
eCSSPropertyAlias_WebkitMaskComposite = 477,
eCSSPropertyAlias_WebkitMaskImage = 478,
eCSSPropertyAlias_WebkitMaskOrigin = 479,
eCSSPropertyAlias_WebkitMaskPosition = 480,
eCSSPropertyAlias_WebkitMaskPositionX = 481,
eCSSPropertyAlias_WebkitMaskPositionY = 482,
eCSSPropertyAlias_WebkitMaskRepeat = 483,
eCSSPropertyAlias_WebkitMaskSize = 484,
eCSSPropertyAlias__moz_animation = 375,
eCSSPropertyAlias__moz_animation_delay = 376,
eCSSPropertyAlias__moz_animation_direction = 377,
eCSSPropertyAlias__moz_animation_duration = 378,
eCSSPropertyAlias__moz_animation_fill_mode = 379,
eCSSPropertyAlias__moz_animation_iteration_count = 380,
eCSSPropertyAlias__moz_animation_name = 381,
eCSSPropertyAlias__moz_animation_play_state = 382,
eCSSPropertyAlias__moz_animation_timing_function = 383,
eCSSPropertyAlias__moz_backface_visibility = 384,
eCSSPropertyAlias__moz_border_end = 385,
eCSSPropertyAlias__moz_border_end_color = 386,
eCSSPropertyAlias__moz_border_end_style = 387,
eCSSPropertyAlias__moz_border_end_width = 388,
eCSSPropertyAlias__moz_border_image = 389,
eCSSPropertyAlias__moz_border_start = 390,
eCSSPropertyAlias__moz_border_start_color = 391,
eCSSPropertyAlias__moz_border_start_style = 392,
eCSSPropertyAlias__moz_border_start_width = 393,
eCSSPropertyAlias__moz_box_sizing = 394,
eCSSPropertyAlias__moz_column_count = 395,
eCSSPropertyAlias__moz_column_fill = 396,
eCSSPropertyAlias__moz_column_gap = 397,
eCSSPropertyAlias__moz_column_rule = 398,
eCSSPropertyAlias__moz_column_rule_color = 399,
eCSSPropertyAlias__moz_column_rule_style = 400,
eCSSPropertyAlias__moz_column_rule_width = 401,
eCSSPropertyAlias__moz_column_span = 402,
eCSSPropertyAlias__moz_column_width = 403,
eCSSPropertyAlias__moz_columns = 404,
eCSSPropertyAlias__moz_font_feature_settings = 405,
eCSSPropertyAlias__moz_font_language_override = 406,
eCSSPropertyAlias__moz_hyphens = 407,
eCSSPropertyAlias__moz_margin_end = 408,
eCSSPropertyAlias__moz_margin_start = 409,
eCSSPropertyAlias__moz_padding_end = 410,
eCSSPropertyAlias__moz_padding_start = 411,
eCSSPropertyAlias__moz_perspective = 412,
eCSSPropertyAlias__moz_perspective_origin = 413,
eCSSPropertyAlias__moz_transform = 414,
eCSSPropertyAlias__moz_transform_origin = 415,
eCSSPropertyAlias__moz_transform_style = 416,
eCSSPropertyAlias__moz_transition = 417,
eCSSPropertyAlias__moz_transition_delay = 418,
eCSSPropertyAlias__moz_transition_duration = 419,
eCSSPropertyAlias__moz_transition_property = 420,
eCSSPropertyAlias__moz_transition_timing_function = 421,
eCSSPropertyAlias__webkit_align_content = 422,
eCSSPropertyAlias__webkit_align_items = 423,
eCSSPropertyAlias__webkit_align_self = 424,
eCSSPropertyAlias__webkit_animation = 425,
eCSSPropertyAlias__webkit_animation_delay = 426,
eCSSPropertyAlias__webkit_animation_direction = 427,
eCSSPropertyAlias__webkit_animation_duration = 428,
eCSSPropertyAlias__webkit_animation_fill_mode = 429,
eCSSPropertyAlias__webkit_animation_iteration_count = 430,
eCSSPropertyAlias__webkit_animation_name = 431,
eCSSPropertyAlias__webkit_animation_play_state = 432,
eCSSPropertyAlias__webkit_animation_timing_function = 433,
eCSSPropertyAlias__webkit_backface_visibility = 434,
eCSSPropertyAlias__webkit_background_clip = 435,
eCSSPropertyAlias__webkit_background_origin = 436,
eCSSPropertyAlias__webkit_background_size = 437,
eCSSPropertyAlias__webkit_border_bottom_left_radius = 438,
eCSSPropertyAlias__webkit_border_bottom_right_radius = 439,
eCSSPropertyAlias__webkit_border_image = 440,
eCSSPropertyAlias__webkit_border_radius = 441,
eCSSPropertyAlias__webkit_border_top_left_radius = 442,
eCSSPropertyAlias__webkit_border_top_right_radius = 443,
eCSSPropertyAlias__webkit_box_align = 444,
eCSSPropertyAlias__webkit_box_direction = 445,
eCSSPropertyAlias__webkit_box_flex = 446,
eCSSPropertyAlias__webkit_box_ordinal_group = 447,
eCSSPropertyAlias__webkit_box_orient = 448,
eCSSPropertyAlias__webkit_box_pack = 449,
eCSSPropertyAlias__webkit_box_shadow = 450,
eCSSPropertyAlias__webkit_box_sizing = 451,
eCSSPropertyAlias__webkit_filter = 452,
eCSSPropertyAlias__webkit_flex = 453,
eCSSPropertyAlias__webkit_flex_basis = 454,
eCSSPropertyAlias__webkit_flex_direction = 455,
eCSSPropertyAlias__webkit_flex_flow = 456,
eCSSPropertyAlias__webkit_flex_grow = 457,
eCSSPropertyAlias__webkit_flex_shrink = 458,
eCSSPropertyAlias__webkit_flex_wrap = 459,
eCSSPropertyAlias__webkit_justify_content = 460,
eCSSPropertyAlias__webkit_mask = 461,
eCSSPropertyAlias__webkit_mask_clip = 462,
eCSSPropertyAlias__webkit_mask_composite = 463,
eCSSPropertyAlias__webkit_mask_image = 464,
eCSSPropertyAlias__webkit_mask_origin = 465,
eCSSPropertyAlias__webkit_mask_position = 466,
eCSSPropertyAlias__webkit_mask_position_x = 467,
eCSSPropertyAlias__webkit_mask_position_y = 468,
eCSSPropertyAlias__webkit_mask_repeat = 469,
eCSSPropertyAlias__webkit_mask_size = 470,
eCSSPropertyAlias__webkit_order = 471,
eCSSPropertyAlias__webkit_perspective = 472,
eCSSPropertyAlias__webkit_perspective_origin = 473,
eCSSPropertyAlias__webkit_text_size_adjust = 474,
eCSSPropertyAlias__webkit_transform = 475,
eCSSPropertyAlias__webkit_transform_origin = 476,
eCSSPropertyAlias__webkit_transform_style = 477,
eCSSPropertyAlias__webkit_transition = 478,
eCSSPropertyAlias__webkit_transition_delay = 479,
eCSSPropertyAlias__webkit_transition_duration = 480,
eCSSPropertyAlias__webkit_transition_property = 481,
eCSSPropertyAlias__webkit_transition_timing_function = 482,
eCSSPropertyAlias__webkit_user_select = 483,
eCSSPropertyAlias_word_wrap = 484,
eCSSPropertyExtra_no_properties = 485,
eCSSPropertyExtra_all_properties = 486,
eCSSPropertyExtra_x_none_value = 487,
eCSSPropertyExtra_x_auto_value = 488,
eCSSPropertyExtra_variable = 489,
eCSSProperty_DOM = 490,
eCSSPropertyExtra_variable = 487,
}
#[repr(i32)]
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]

108
components/style/gecko/rules.rs
View file

@ -5,17 +5,18 @@
//! Bindings for CSS Rule objects
use byteorder::{BigEndian, WriteBytesExt};
use computed_values::{font_stretch, font_style, font_weight};
use counter_style::{self, CounterBound};
use cssparser::UnicodeRange;
use font_face::{FontDisplay, FontWeight, Source};
use font_face::{FontDisplay, FontWeight, FontStretch, FontStyle, Source};
use gecko_bindings::structs::{self, nsCSSValue};
use gecko_bindings::sugar::ns_css_value::ToNsCssValue;
use properties::longhands::font_language_override;
use std::str;
use values::computed::font::FamilyName;
use values::generics::font::FontTag;
use values::specified::font::{AbsoluteFontWeight, FontStretch as SpecifiedFontStretch};
use values::specified::font::{SpecifiedFontFeatureSettings, SpecifiedFontVariationSettings};
use values::specified::font::SpecifiedFontStyle;
impl<'a> ToNsCssValue for &'a FamilyName {
fn convert(self, nscssvalue: &mut nsCSSValue) {
@ -23,19 +24,20 @@ impl<'a> ToNsCssValue for &'a FamilyName {
}
}
impl ToNsCssValue for font_weight::T {
impl<'a> ToNsCssValue for &'a SpecifiedFontStretch {
fn convert(self, nscssvalue: &mut nsCSSValue) {
nscssvalue.set_font_weight(self.0)
let number = match *self {
SpecifiedFontStretch::Stretch(ref p) => p.get(),
SpecifiedFontStretch::Keyword(ref kw) => kw.compute().0,
SpecifiedFontStretch::System(..) => unreachable!(),
};
nscssvalue.set_font_stretch(number);
}
}
impl<'a> ToNsCssValue for &'a FontWeight {
impl<'a> ToNsCssValue for &'a AbsoluteFontWeight {
fn convert(self, nscssvalue: &mut nsCSSValue) {
match *self {
FontWeight::Normal => nscssvalue.set_enum(structs::NS_FONT_WEIGHT_NORMAL as i32),
FontWeight::Bold => nscssvalue.set_enum(structs::NS_FONT_WEIGHT_BOLD as i32),
FontWeight::Weight(weight) => nscssvalue.set_font_weight(weight.0),
}
nscssvalue.set_font_weight(self.compute().0)
}
}
@ -77,6 +79,52 @@ impl<'a> ToNsCssValue for &'a SpecifiedFontVariationSettings {
}
}
macro_rules! descriptor_range_conversion {
($name:ident) => {
impl<'a> ToNsCssValue for &'a $name {
fn convert(self, nscssvalue: &mut nsCSSValue) {
let $name(ref first, ref second) = *self;
let second = match *second {
None => {
nscssvalue.set_from(first);
return;
}
Some(ref second) => second,
};
let mut a = nsCSSValue::null();
let mut b = nsCSSValue::null();
a.set_from(first);
b.set_from(second);
nscssvalue.set_pair(&a, &b);
}
}
}
}
descriptor_range_conversion!(FontWeight);
descriptor_range_conversion!(FontStretch);
impl<'a> ToNsCssValue for &'a FontStyle {
fn convert(self, nscssvalue: &mut nsCSSValue) {
match *self {
FontStyle::Normal => nscssvalue.set_normal(),
FontStyle::Italic => nscssvalue.set_enum(structs::NS_FONT_STYLE_ITALIC as i32),
FontStyle::Oblique(ref first, ref second) => {
let mut a = nsCSSValue::null();
let mut b = nsCSSValue::null();
a.set_font_style(SpecifiedFontStyle::compute_angle(first).degrees());
b.set_font_style(SpecifiedFontStyle::compute_angle(second).degrees());
nscssvalue.set_pair(&a, &b);
}
}
}
}
impl<'a> ToNsCssValue for &'a font_language_override::SpecifiedValue {
fn convert(self, nscssvalue: &mut nsCSSValue) {
match *self {
@ -90,46 +138,6 @@ impl<'a> ToNsCssValue for &'a font_language_override::SpecifiedValue {
}
}
macro_rules! map_enum {
(
$(
$prop:ident {
$($servo:ident => $gecko:ident,)+
}
)+
) => {
$(
impl<'a> ToNsCssValue for &'a $prop::T {
fn convert(self, nscssvalue: &mut nsCSSValue) {
nscssvalue.set_enum(match *self {
$( $prop::T::$servo => structs::$gecko as i32, )+
})
}
}
)+
}
}
map_enum! {
font_style {
Normal => NS_FONT_STYLE_NORMAL,
Italic => NS_FONT_STYLE_ITALIC,
Oblique => NS_FONT_STYLE_OBLIQUE,
}
font_stretch {
Normal => NS_FONT_STRETCH_NORMAL,
UltraCondensed => NS_FONT_STRETCH_ULTRA_CONDENSED,
ExtraCondensed => NS_FONT_STRETCH_EXTRA_CONDENSED,
Condensed => NS_FONT_STRETCH_CONDENSED,
SemiCondensed => NS_FONT_STRETCH_SEMI_CONDENSED,
SemiExpanded => NS_FONT_STRETCH_SEMI_EXPANDED,
Expanded => NS_FONT_STRETCH_EXPANDED,
ExtraExpanded => NS_FONT_STRETCH_EXTRA_EXPANDED,
UltraExpanded => NS_FONT_STRETCH_ULTRA_EXPANDED,
}
}
impl<'a> ToNsCssValue for &'a Vec<Source> {
fn convert(self, nscssvalue: &mut nsCSSValue) {
let src_len = self.iter().fold(0, |acc, src| {

18
components/style/gecko_bindings/sugar/ns_css_value.rs
View file

@ -167,19 +167,29 @@ impl nsCSSValue {
unsafe { bindings::Gecko_CSSValue_SetAtomIdent(self, s.into_addrefed()) }
}
/// Set to a font format
/// Set to a font format.
pub fn set_font_format(&mut self, s: &str) {
self.set_string_internal(s, nsCSSUnit::eCSSUnit_Font_Format);
}
/// Set to a local font value
/// Set to a local font value.
pub fn set_local_font(&mut self, s: &Atom) {
self.set_string_from_atom_internal(s, nsCSSUnit::eCSSUnit_Local_Font);
}
/// Set to a font stretch.
pub fn set_font_stretch(&mut self, s: f32) {
unsafe { bindings::Gecko_CSSValue_SetFontStretch(self, s) }
}
/// Set to a font style
pub fn set_font_style(&mut self, s: f32) {
unsafe { bindings::Gecko_CSSValue_SetFontSlantStyle(self, s) }
}
/// Set to a font weight
pub fn set_font_weight(&mut self, w: u16) {
unsafe { bindings::Gecko_CSSValue_SetFontWeight(self, w as f32) }
pub fn set_font_weight(&mut self, w: f32) {
unsafe { bindings::Gecko_CSSValue_SetFontWeight(self, w) }
}
fn set_int_internal(&mut self, value: i32, unit: nsCSSUnit) {

6
components/style/gecko_bindings/sugar/refptr.rs
View file

@ -312,3 +312,9 @@ impl_threadsafe_refcount!(
Gecko_AddRefSharedFontListArbitraryThread,
Gecko_ReleaseSharedFontListArbitraryThread
);
impl_threadsafe_refcount!(
::gecko_bindings::structs::SheetLoadDataHolder,
Gecko_AddRefSheetLoadDataHolderArbitraryThread,
Gecko_ReleaseSheetLoadDataHolderArbitraryThread
);

8
components/style/properties/build.py
View file

@ -21,7 +21,7 @@ RE_PYTHON_ADDR = re.compile(r'<.+? object at 0x[0-9a-fA-F]+>')
def main():
usage = "Usage: %s [ servo | gecko ] [ style-crate | html ]" % sys.argv[0]
usage = "Usage: %s [ servo | gecko ] [ style-crate | geckolib <template> | html ]" % sys.argv[0]
if len(sys.argv) < 3:
abort(usage)
product = sys.argv[1]
@ -39,6 +39,12 @@ def main():
template = os.path.join(BASE, "gecko.mako.rs")
rust = render(template, data=properties)
write(os.environ["OUT_DIR"], "gecko_properties.rs", rust)
elif output == "geckolib":
if len(sys.argv) < 4:
abort(usage)
template = sys.argv[3]
header = render(template, data=properties)
sys.stdout.write(header)
elif output == "html":
write_html(properties)

3
components/style/properties/data.py
View file

@ -385,6 +385,7 @@ class Alias(object):
self.name = name
self.ident = to_rust_ident(name)
self.camel_case = to_camel_case(self.ident)
self.original = original
self.enabled_in = original.enabled_in
self.servo_pref = original.servo_pref
self.gecko_pref = gecko_pref
@ -406,7 +407,7 @@ class Alias(object):
return self.enabled_in == "content"
def nscsspropertyid(self):
return "nsCSSPropertyID::eCSSPropertyAlias_%s" % self.camel_case
return "nsCSSPropertyID::eCSSPropertyAlias_%s" % self.ident
class Method(object):

48
components/style/properties/gecko.mako.rs
View file

@ -25,8 +25,6 @@ use gecko_bindings::bindings::Gecko_CopyFontFamilyFrom;
use gecko_bindings::bindings::Gecko_CopyImageValueFrom;
use gecko_bindings::bindings::Gecko_CopyListStyleImageFrom;
use gecko_bindings::bindings::Gecko_EnsureImageLayersLength;
use gecko_bindings::bindings::Gecko_FontWeight_SetFloat;
use gecko_bindings::bindings::Gecko_FontWeight_ToFloat;
use gecko_bindings::bindings::Gecko_SetCursorArrayLength;
use gecko_bindings::bindings::Gecko_SetCursorImageValue;
use gecko_bindings::bindings::Gecko_StyleTransition_SetUnsupportedProperty;
@ -1806,7 +1804,7 @@ fn static_assert() {
}
pub fn set_computed_justify_items(&mut self, v: values::specified::JustifyItems) {
debug_assert_ne!(v.0, ::values::specified::align::AlignFlags::AUTO);
debug_assert_ne!(v.0, ::values::specified::align::AlignFlags::LEGACY);
self.gecko.mJustifyItems = v.into();
}
@ -2601,15 +2599,49 @@ fn static_assert() {
}
pub fn set_font_weight(&mut self, v: longhands::font_weight::computed_value::T) {
unsafe { Gecko_FontWeight_SetFloat(&mut self.gecko.mFont.weight, v.0 as f32) };
unsafe { bindings::Gecko_FontWeight_SetFloat(&mut self.gecko.mFont.weight, v.0) };
}
${impl_simple_copy('font_weight', 'mFont.weight')}
pub fn clone_font_weight(&self) -> longhands::font_weight::computed_value::T {
let weight: f32 = unsafe { Gecko_FontWeight_ToFloat(self.gecko.mFont.weight) };
debug_assert!(weight >= 0.0 &&
weight <= ::std::u16::MAX as f32);
longhands::font_weight::computed_value::T(weight as u16)
let weight: f32 = unsafe {
bindings::Gecko_FontWeight_ToFloat(self.gecko.mFont.weight)
};
longhands::font_weight::computed_value::T(weight)
}
pub fn set_font_stretch(&mut self, v: longhands::font_stretch::computed_value::T) {
unsafe { bindings::Gecko_FontStretch_SetFloat(&mut self.gecko.mFont.stretch, (v.0).0) };
}
${impl_simple_copy('font_stretch', 'mFont.stretch')}
pub fn clone_font_stretch(&self) -> longhands::font_stretch::computed_value::T {
use values::computed::Percentage;
use values::generics::NonNegative;
let stretch =
unsafe { bindings::Gecko_FontStretch_ToFloat(self.gecko.mFont.stretch) };
debug_assert!(stretch >= 0.);
NonNegative(Percentage(stretch))
}
pub fn set_font_style(&mut self, v: longhands::font_style::computed_value::T) {
use values::generics::font::FontStyle;
let s = &mut self.gecko.mFont.style;
unsafe {
match v {
FontStyle::Normal => bindings::Gecko_FontSlantStyle_SetNormal(s),
FontStyle::Italic => bindings::Gecko_FontSlantStyle_SetItalic(s),
FontStyle::Oblique(ref angle) => {
bindings::Gecko_FontSlantStyle_SetOblique(s, angle.0.degrees())
}
}
}
}
${impl_simple_copy('font_style', 'mFont.style')}
pub fn clone_font_style(&self) -> longhands::font_style::computed_value::T {
use values::computed::font::FontStyle;
FontStyle::from_gecko(self.gecko.mFont.style)
}
${impl_simple_type_with_conversion("font_synthesis", "mFont.synthesis")}

71
components/style/properties/helpers/animated_properties.mako.rs
View file

@ -19,7 +19,6 @@ use num_traits::Zero;
use properties::{CSSWideKeyword, PropertyDeclaration};
use properties::longhands;
use properties::longhands::font_weight::computed_value::T as FontWeight;
use properties::longhands::font_stretch::computed_value::T as FontStretch;
use properties::longhands::visibility::computed_value::T as Visibility;
use properties::PropertyId;
use properties::{LonghandId, ShorthandId};
@ -873,20 +872,6 @@ impl ToAnimatedZero for MaxLength {
fn to_animated_zero(&self) -> Result<Self, ()> { Err(()) }
}
/// <http://dev.w3.org/csswg/css-transitions/#animtype-font-weight>
impl Animate for FontWeight {
#[inline]
fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()> {
let a = self.0 as f64;
let b = other.0 as f64;
const NORMAL: f64 = 400.;
let (this_weight, other_weight) = procedure.weights();
let weight = (a - NORMAL) * this_weight + (b - NORMAL) * other_weight + NORMAL;
let weight = (weight.max(100.).min(900.) / 100.).round() * 100.;
Ok(FontWeight(weight as u16))
}
}
impl ToAnimatedZero for FontWeight {
#[inline]
fn to_animated_zero(&self) -> Result<Self, ()> {
@ -894,62 +879,6 @@ impl ToAnimatedZero for FontWeight {
}
}
/// <https://drafts.csswg.org/css-fonts/#font-stretch-prop>
impl Animate for FontStretch {
#[inline]
fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()>
{
let from = f64::from(*self);
let to = f64::from(*other);
let normal = f64::from(FontStretch::Normal);
let (this_weight, other_weight) = procedure.weights();
let result = (from - normal) * this_weight + (to - normal) * other_weight + normal;
Ok(result.into())
}
}
impl ComputeSquaredDistance for FontStretch {
#[inline]
fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()> {
f64::from(*self).compute_squared_distance(&(*other).into())
}
}
impl ToAnimatedZero for FontStretch {
#[inline]
fn to_animated_zero(&self) -> Result<Self, ()> { Err(()) }
}
/// We should treat font stretch as real number in order to interpolate this property.
/// <https://drafts.csswg.org/css-fonts-3/#font-stretch-animation>
impl From<FontStretch> for f64 {
fn from(stretch: FontStretch) -> f64 {
use self::FontStretch::*;
match stretch {
UltraCondensed => 1.0,
ExtraCondensed => 2.0,
Condensed => 3.0,
SemiCondensed => 4.0,
Normal => 5.0,
SemiExpanded => 6.0,
Expanded => 7.0,
ExtraExpanded => 8.0,
UltraExpanded => 9.0,
}
}
}
impl Into<FontStretch> for f64 {
fn into(self) -> FontStretch {
use properties::longhands::font_stretch::computed_value::T::*;
let index = (self + 0.5).floor().min(9.0).max(1.0);
static FONT_STRETCH_ENUM_MAP: [FontStretch; 9] =
[ UltraCondensed, ExtraCondensed, Condensed, SemiCondensed, Normal,
SemiExpanded, Expanded, ExtraExpanded, UltraExpanded ];
FONT_STRETCH_ENUM_MAP[(index - 1.0) as usize]
}
}
/// <https://drafts.csswg.org/css-fonts-4/#font-variation-settings-def>
impl Animate for FontVariationSettings {
#[inline]

24
components/style/properties/longhand/border.mako.rs
View file

@ -43,17 +43,19 @@
needs_context=False,
)}
${helpers.predefined_type("border-%s-width" % side_name,
"BorderSideWidth",
"::values::computed::NonNegativeLength::new(3.)",
computed_type="::values::computed::NonNegativeLength",
alias=maybe_moz_logical_alias(product, side, "-moz-border-%s-width"),
spec=maybe_logical_spec(side, "width"),
animation_value_type="NonNegativeLength",
logical=is_logical,
flags="APPLIES_TO_FIRST_LETTER",
allow_quirks=not is_logical,
servo_restyle_damage = "reflow rebuild_and_reflow_inline")}
${helpers.predefined_type(
"border-%s-width" % side_name,
"BorderSideWidth",
"::values::computed::NonNegativeLength::new(3.)",
computed_type="::values::computed::NonNegativeLength",
alias=maybe_moz_logical_alias(product, side, "-moz-border-%s-width"),
spec=maybe_logical_spec(side, "width"),
animation_value_type="NonNegativeLength",
logical=is_logical,
flags="APPLIES_TO_FIRST_LETTER GETCS_NEEDS_LAYOUT_FLUSH",
allow_quirks=not is_logical,
servo_restyle_damage="reflow rebuild_and_reflow_inline"
)}
% endfor
${helpers.gecko_keyword_conversion(Keyword('border-style',

79
components/style/properties/longhand/box.mako.rs
View file

@ -403,14 +403,18 @@ ${helpers.predefined_type(
<% transform_extra_prefixes = "moz:layout.css.prefixes.transforms webkit" %>
${helpers.predefined_type("transform", "Transform",
"generics::transform::Transform::none()",
extra_prefixes=transform_extra_prefixes,
animation_value_type="ComputedValue",
gecko_ffi_name="mSpecifiedTransform",
flags="CREATES_STACKING_CONTEXT FIXPOS_CB",
spec="https://drafts.csswg.org/css-transforms/#propdef-transform",
servo_restyle_damage = "reflow_out_of_flow")}
${helpers.predefined_type(
"transform",
"Transform",
"generics::transform::Transform::none()",
extra_prefixes=transform_extra_prefixes,
animation_value_type="ComputedValue",
gecko_ffi_name="mSpecifiedTransform",
flags="CREATES_STACKING_CONTEXT FIXPOS_CB \
GETCS_NEEDS_LAYOUT_FLUSH CAN_ANIMATE_ON_COMPOSITOR",
spec="https://drafts.csswg.org/css-transforms/#propdef-transform",
servo_restyle_damage="reflow_out_of_flow"
)}
${helpers.predefined_type("rotate", "Rotate",
"generics::transform::Rotate::None",
@ -430,14 +434,17 @@ ${helpers.predefined_type("scale", "Scale",
spec="https://drafts.csswg.org/css-transforms-2/#individual-transforms",
servo_restyle_damage = "reflow_out_of_flow")}
${helpers.predefined_type("translate", "Translate",
"generics::transform::Translate::None",
animation_value_type="ComputedValue",
boxed=True,
flags="CREATES_STACKING_CONTEXT FIXPOS_CB",
gecko_pref="layout.css.individual-transform.enabled",
spec="https://drafts.csswg.org/css-transforms-2/#individual-transforms",
servo_restyle_damage = "reflow_out_of_flow")}
${helpers.predefined_type(
"translate",
"Translate",
"generics::transform::Translate::None",
animation_value_type="ComputedValue",
boxed=True,
flags="CREATES_STACKING_CONTEXT FIXPOS_CB GETCS_NEEDS_LAYOUT_FLUSH",
gecko_pref="layout.css.individual-transform.enabled",
spec="https://drafts.csswg.org/css-transforms-2/#individual-transforms",
servo_restyle_damage="reflow_out_of_flow"
)}
// CSSOM View Module
// https://www.w3.org/TR/cssom-view-1/
@ -529,14 +536,17 @@ ${helpers.predefined_type(
servo_restyle_damage = "reflow_out_of_flow",
)}
${helpers.predefined_type("perspective-origin",
"position::Position",
"computed::position::Position::center()",
boxed=True,
extra_prefixes=transform_extra_prefixes,
spec="https://drafts.csswg.org/css-transforms-2/#perspective-origin-property",
animation_value_type="ComputedValue",
servo_restyle_damage = "reflow_out_of_flow")}
${helpers.predefined_type(
"perspective-origin",
"position::Position",
"computed::position::Position::center()",
boxed=True,
extra_prefixes=transform_extra_prefixes,
spec="https://drafts.csswg.org/css-transforms-2/#perspective-origin-property",
flags="GETCS_NEEDS_LAYOUT_FLUSH",
animation_value_type="ComputedValue",
servo_restyle_damage="reflow_out_of_flow"
)}
${helpers.single_keyword("backface-visibility",
"visible hidden",
@ -565,15 +575,18 @@ ${helpers.predefined_type(
servo_restyle_damage = "reflow_out_of_flow",
)}
${helpers.predefined_type("transform-origin",
"TransformOrigin",
"computed::TransformOrigin::initial_value()",
animation_value_type="ComputedValue",
extra_prefixes=transform_extra_prefixes,
gecko_ffi_name="mTransformOrigin",
boxed=True,
spec="https://drafts.csswg.org/css-transforms/#transform-origin-property",
servo_restyle_damage = "reflow_out_of_flow")}
${helpers.predefined_type(
"transform-origin",
"TransformOrigin",
"computed::TransformOrigin::initial_value()",
animation_value_type="ComputedValue",
extra_prefixes=transform_extra_prefixes,
gecko_ffi_name="mTransformOrigin",
boxed=True,
flags="GETCS_NEEDS_LAYOUT_FLUSH",
spec="https://drafts.csswg.org/css-transforms/#transform-origin-property",
servo_restyle_damage="reflow_out_of_flow"
)}
${helpers.predefined_type("contain",
"Contain",

11
components/style/properties/longhand/column.mako.rs
View file

@ -31,17 +31,6 @@ ${helpers.predefined_type(
${helpers.predefined_type(
"column-gap",
"length::NonNegativeLengthOrPercentageOrNormal",
"Either::Second(Normal)",
extra_prefixes="moz",
servo_pref="layout.columns.enabled",
animation_value_type="NonNegativeLengthOrPercentageOrNormal",
spec="https://drafts.csswg.org/css-multicol/#propdef-column-gap",
servo_restyle_damage = "reflow",
)}
${helpers.single_keyword("column-fill", "balance auto", extra_prefixes="moz",
products="gecko", animation_value_type="discrete",
spec="https://drafts.csswg.org/css-multicol/#propdef-column-fill")}

17
components/style/properties/longhand/effects.mako.rs
View file

@ -7,13 +7,16 @@
// Box-shadow, etc.
<% data.new_style_struct("Effects", inherited=False) %>
${helpers.predefined_type("opacity",
"Opacity",
"1.0",
animation_value_type="ComputedValue",
flags="CREATES_STACKING_CONTEXT APPLIES_TO_PLACEHOLDER",
spec="https://drafts.csswg.org/css-color/#opacity",
servo_restyle_damage = "reflow_out_of_flow")}
${helpers.predefined_type(
"opacity",
"Opacity",
"1.0",
animation_value_type="ComputedValue",
flags="CREATES_STACKING_CONTEXT APPLIES_TO_PLACEHOLDER \
CAN_ANIMATE_ON_COMPOSITOR",
spec="https://drafts.csswg.org/css-color/#opacity",
servo_restyle_damage = "reflow_out_of_flow"
)}
${helpers.predefined_type(
"box-shadow",

76
components/style/properties/longhand/font.mako.rs
View file

@ -15,15 +15,15 @@ ${helpers.predefined_type("font-family",
spec="https://drafts.csswg.org/css-fonts/#propdef-font-family",
servo_restyle_damage="rebuild_and_reflow")}
${helpers.single_keyword_system(
${helpers.predefined_type(
"font-style",
"normal italic oblique",
gecko_constant_prefix="NS_FONT_STYLE",
gecko_ffi_name="mFont.style",
spec="https://drafts.csswg.org/css-fonts/#propdef-font-style",
"FontStyle",
initial_value="computed::FontStyle::normal()",
initial_specified_value="specified::FontStyle::normal()",
animation_value_type="FontStyle",
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER",
animation_value_type="discrete",
servo_restyle_damage="rebuild_and_reflow"
spec="https://drafts.csswg.org/css-fonts/#propdef-font-style",
servo_restyle_damage="rebuild_and_reflow",
)}
<% font_variant_caps_custom_consts= { "small-caps": "SMALLCAPS",
@ -43,14 +43,16 @@ ${helpers.single_keyword_system("font-variant-caps",
animation_value_type="discrete",
servo_restyle_damage="rebuild_and_reflow")}
${helpers.predefined_type("font-weight",
"FontWeight",
initial_value="computed::FontWeight::normal()",
initial_specified_value="specified::FontWeight::Normal",
animation_value_type="ComputedValue",
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER",
spec="https://drafts.csswg.org/css-fonts/#propdef-font-weight",
servo_restyle_damage="rebuild_and_reflow")}
${helpers.predefined_type(
"font-weight",
"FontWeight",
initial_value="computed::FontWeight::normal()",
initial_specified_value="specified::FontWeight::normal()",
animation_value_type="Number",
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER",
spec="https://drafts.csswg.org/css-fonts/#propdef-font-weight",
servo_restyle_damage="rebuild_and_reflow",
)}
${helpers.predefined_type("font-size",
"FontSize",
@ -79,17 +81,16 @@ ${helpers.predefined_type("font-synthesis",
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER",
spec="https://drafts.csswg.org/css-fonts/#propdef-font-synthesis")}
${helpers.single_keyword_system("font-stretch",
"normal ultra-condensed extra-condensed condensed \
semi-condensed semi-expanded expanded extra-expanded \
ultra-expanded",
gecko_ffi_name="mFont.stretch",
gecko_constant_prefix="NS_FONT_STRETCH",
cast_type='i16',
spec="https://drafts.csswg.org/css-fonts/#propdef-font-stretch",
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER",
animation_value_type="ComputedValue",
servo_restyle_damage="rebuild_and_reflow")}
${helpers.predefined_type(
"font-stretch",
"FontStretch",
initial_value="computed::NonNegativePercentage::hundred()",
initial_specified_value="specified::FontStretch::normal()",
animation_value_type="Percentage",
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER",
spec="https://drafts.csswg.org/css-fonts/#propdef-font-stretch",
servo_restyle_damage="rebuild_and_reflow",
)}
${helpers.single_keyword_system("font-kerning",
"auto none normal",
@ -288,12 +289,11 @@ ${helpers.predefined_type("-x-text-zoom",
-moz-window -moz-document -moz-workspace -moz-desktop
-moz-info -moz-dialog -moz-button -moz-pull-down-menu
-moz-list -moz-field""".split()
kw_font_props = """font_style font_variant_caps font_stretch
kw_font_props = """font_variant_caps
font_kerning font_variant_position font_variant_ligatures
font_variant_east_asian font_variant_numeric
font_optical_sizing""".split()
kw_cast = """font_style font_variant_caps font_stretch
font_kerning font_variant_position
kw_cast = """font_variant_caps font_kerning font_variant_position
font_optical_sizing""".split()
%>
#[derive(Clone, Copy, Debug, Eq, Hash, MallocSizeOf, PartialEq, ToCss)]
@ -328,7 +328,9 @@ ${helpers.predefined_type("-x-text-zoom",
use gecko_bindings::bindings;
use gecko_bindings::structs::{LookAndFeel_FontID, nsFont};
use std::mem;
use values::computed::font::{FontSize, FontFamilyList};
use values::computed::Percentage;
use values::computed::font::{FontSize, FontStyle, FontFamilyList};
use values::generics::NonNegative;
let id = match *self {
% for font in system_fonts:
@ -347,7 +349,11 @@ ${helpers.predefined_type("-x-text-zoom",
cx.device().pres_context()
)
}
let weight = longhands::font_weight::computed_value::T::from_gecko_weight(system.weight);
let font_weight = longhands::font_weight::computed_value::T::from_gecko_weight(system.weight);
let font_stretch = NonNegative(Percentage(unsafe {
bindings::Gecko_FontStretch_ToFloat(system.stretch)
}));
let font_style = FontStyle::from_gecko(system.style);
let ret = ComputedSystemFont {
font_family: longhands::font_family::computed_value::T(
FontFamilyList(
@ -355,10 +361,12 @@ ${helpers.predefined_type("-x-text-zoom",
)
),
font_size: FontSize {
size: Au(system.size).into(),
keyword_info: None
size: Au(system.size).into(),
keyword_info: None
},
font_weight: weight,
font_weight,
font_stretch,
font_style,
font_size_adjust: longhands::font_size_adjust::computed_value
::T::from_gecko_adjust(system.sizeAdjust),
% for kwprop in kw_font_props:

17
components/style/properties/longhand/inherited_text.mako.rs
View file

@ -6,13 +6,16 @@
<% from data import Keyword %>
<% data.new_style_struct("InheritedText", inherited=True, gecko_name="Text") %>
${helpers.predefined_type("line-height",
"LineHeight",
"computed::LineHeight::normal()",
animation_value_type="LineHeight",
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER",
spec="https://drafts.csswg.org/css2/visudet.html#propdef-line-height",
servo_restyle_damage = "reflow")}
${helpers.predefined_type(
"line-height",
"LineHeight",
"computed::LineHeight::normal()",
animation_value_type="LineHeight",
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE \
APPLIES_TO_PLACEHOLDER GETCS_NEEDS_LAYOUT_FLUSH",
spec="https://drafts.csswg.org/css2/visudet.html#propdef-line-height",
servo_restyle_damage="reflow"
)}
// CSS Text Module Level 3

21
components/style/properties/longhand/margin.mako.rs
View file

@ -12,12 +12,17 @@
if side[1]:
spec = "https://drafts.csswg.org/css-logical-props/#propdef-margin-%s" % side[1]
%>
${helpers.predefined_type("margin-%s" % side[0], "LengthOrPercentageOrAuto",
"computed::LengthOrPercentageOrAuto::Length(computed::Length::new(0.))",
alias=maybe_moz_logical_alias(product, side, "-moz-margin-%s"),
allow_quirks=not side[1],
animation_value_type="ComputedValue", logical = side[1], spec = spec,
flags="APPLIES_TO_FIRST_LETTER",
allowed_in_page_rule=True,
servo_restyle_damage = "reflow")}
${helpers.predefined_type(
"margin-%s" % side[0],
"LengthOrPercentageOrAuto",
"computed::LengthOrPercentageOrAuto::Length(computed::Length::new(0.))",
alias=maybe_moz_logical_alias(product, side, "-moz-margin-%s"),
allow_quirks=not side[1],
animation_value_type="ComputedValue",
logical=side[1],
spec=spec,
flags="APPLIES_TO_FIRST_LETTER GETCS_NEEDS_LAYOUT_FLUSH",
allowed_in_page_rule=True,
servo_restyle_damage="reflow"
)}
% endfor

21
components/style/properties/longhand/padding.mako.rs
View file

@ -14,13 +14,16 @@
if side[1]:
spec = "https://drafts.csswg.org/css-logical-props/#propdef-padding-%s" % side[1]
%>
${helpers.predefined_type("padding-%s" % side[0], "NonNegativeLengthOrPercentage",
"computed::NonNegativeLengthOrPercentage::zero()",
alias=maybe_moz_logical_alias(product, side, "-moz-padding-%s"),
animation_value_type="NonNegativeLengthOrPercentage",
logical = side[1],
spec = spec,
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_PLACEHOLDER",
allow_quirks=not side[1],
servo_restyle_damage = "reflow rebuild_and_reflow_inline")}
${helpers.predefined_type(
"padding-%s" % side[0],
"NonNegativeLengthOrPercentage",
"computed::NonNegativeLengthOrPercentage::zero()",
alias=maybe_moz_logical_alias(product, side, "-moz-padding-%s"),
animation_value_type="NonNegativeLengthOrPercentage",
logical=side[1],
spec=spec,
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_PLACEHOLDER GETCS_NEEDS_LAYOUT_FLUSH",
allow_quirks=not side[1],
servo_restyle_damage="reflow rebuild_and_reflow_inline"
)}
% endfor

87
components/style/properties/longhand/position.mako.rs
View file

@ -10,18 +10,28 @@
// "top" / "left" / "bottom" / "right"
% for side in PHYSICAL_SIDES:
${helpers.predefined_type(side, "LengthOrPercentageOrAuto",
"computed::LengthOrPercentageOrAuto::Auto",
spec="https://www.w3.org/TR/CSS2/visuren.html#propdef-%s" % side,
animation_value_type="ComputedValue",
allow_quirks=True, servo_restyle_damage = "reflow_out_of_flow")}
${helpers.predefined_type(
side,
"LengthOrPercentageOrAuto",
"computed::LengthOrPercentageOrAuto::Auto",
spec="https://www.w3.org/TR/CSS2/visuren.html#propdef-%s" % side,
flags="GETCS_NEEDS_LAYOUT_FLUSH",
animation_value_type="ComputedValue",
allow_quirks=True,
servo_restyle_damage="reflow_out_of_flow"
)}
% endfor
// offset-* logical properties, map to "top" / "left" / "bottom" / "right"
% for side in LOGICAL_SIDES:
${helpers.predefined_type("offset-%s" % side, "LengthOrPercentageOrAuto",
"computed::LengthOrPercentageOrAuto::Auto",
spec="https://drafts.csswg.org/css-logical-props/#propdef-offset-%s" % side,
animation_value_type="ComputedValue", logical=True)}
${helpers.predefined_type(
"offset-%s" % side,
"LengthOrPercentageOrAuto",
"computed::LengthOrPercentageOrAuto::Auto",
spec="https://drafts.csswg.org/css-logical-props/#propdef-offset-%s" % side,
flags="GETCS_NEEDS_LAYOUT_FLUSH",
animation_value_type="ComputedValue",
logical=True,
)}
% endfor
#[cfg(feature = "gecko")]
@ -118,11 +128,13 @@ ${helpers.single_keyword("flex-wrap", "nowrap wrap wrap-reverse",
#[cfg(feature = "gecko")]
impl_align_conversions!(::values::specified::align::AlignItems);
${helpers.predefined_type(name="justify-items",
type="JustifyItems",
initial_value="computed::JustifyItems::auto()",
spec="https://drafts.csswg.org/css-align/#propdef-justify-items",
animation_value_type="discrete")}
${helpers.predefined_type(
name="justify-items",
type="JustifyItems",
initial_value="computed::JustifyItems::legacy()",
spec="https://drafts.csswg.org/css-align/#propdef-justify-items",
animation_value_type="discrete",
)}
#[cfg(feature = "gecko")]
impl_align_conversions!(::values::specified::align::JustifyItems);
@ -211,7 +223,8 @@ ${helpers.predefined_type(
allow_quirks=not logical,
spec=spec % size,
animation_value_type="MozLength",
servo_restyle_damage = "reflow"
flags="GETCS_NEEDS_LAYOUT_FLUSH",
servo_restyle_damage="reflow"
)}
// min-width, min-height, min-block-size, min-inline-size,
${helpers.predefined_type(
@ -289,13 +302,6 @@ ${helpers.predefined_type("object-position",
animation_value_type="ComputedValue")}
% for kind in ["row", "column"]:
${helpers.predefined_type("grid-%s-gap" % kind,
"NonNegativeLengthOrPercentage",
"computed::NonNegativeLengthOrPercentage::zero()",
spec="https://drafts.csswg.org/css-grid/#propdef-grid-%s-gap" % kind,
animation_value_type="NonNegativeLengthOrPercentage",
products="gecko")}
% for range in ["start", "end"]:
${helpers.predefined_type("grid-%s-%s" % (kind, range),
"GridLine",
@ -316,13 +322,16 @@ ${helpers.predefined_type("object-position",
products="gecko",
boxed=True)}
${helpers.predefined_type("grid-template-%ss" % kind,
"GridTemplateComponent",
"specified::GenericGridTemplateComponent::None",
products="gecko",
spec="https://drafts.csswg.org/css-grid/#propdef-grid-template-%ss" % kind,
boxed=True,
animation_value_type="discrete")}
${helpers.predefined_type(
"grid-template-%ss" % kind,
"GridTemplateComponent",
"specified::GenericGridTemplateComponent::None",
products="gecko",
spec="https://drafts.csswg.org/css-grid/#propdef-grid-template-%ss" % kind,
boxed=True,
flags="GETCS_NEEDS_LAYOUT_FLUSH",
animation_value_type="discrete"
)}
% endfor
@ -339,3 +348,23 @@ ${helpers.predefined_type("grid-template-areas",
products="gecko",
animation_value_type="discrete",
spec="https://drafts.csswg.org/css-grid/#propdef-grid-template-areas")}
${helpers.predefined_type("column-gap",
"length::NonNegativeLengthOrPercentageOrNormal",
"Either::Second(Normal)",
alias="grid-column-gap" if product == "gecko" else "",
extra_prefixes="moz",
servo_pref="layout.columns.enabled",
spec="https://drafts.csswg.org/css-align-3/#propdef-column-gap",
animation_value_type="NonNegativeLengthOrPercentageOrNormal",
servo_restyle_damage = "reflow")}
// no need for -moz- prefixed alias for this property
${helpers.predefined_type("row-gap",
"length::NonNegativeLengthOrPercentageOrNormal",
"Either::Second(Normal)",
alias="grid-row-gap",
products="gecko",
spec="https://drafts.csswg.org/css-align-3/#propdef-row-gap",
animation_value_type="NonNegativeLengthOrPercentageOrNormal",
servo_restyle_damage = "reflow")}

40
components/style/properties/longhand/ui.mako.rs
View file

@ -41,28 +41,36 @@ ${helpers.single_keyword("-moz-window-shadow", "none default menu tooltip sheet"
enabled_in="chrome",
spec="None (Nonstandard internal property)")}
// TODO(bug 1419695) This should be hidden from content.
${helpers.predefined_type("-moz-window-opacity", "Opacity", "1.0", products="gecko",
gecko_ffi_name="mWindowOpacity",
animation_value_type="ComputedValue",
enabled_in="chrome",
spec="None (Nonstandard internal property)")}
${helpers.predefined_type("-moz-window-transform", "Transform",
"generics::transform::Transform::none()",
products="gecko", gecko_ffi_name="mSpecifiedWindowTransform",
animation_value_type="ComputedValue",
enabled_in="chrome",
spec="None (Nonstandard internal property)")}
// TODO(bug 1419695) This should be hidden from content.
${helpers.predefined_type(
"-moz-window-transform",
"Transform",
"generics::transform::Transform::none()",
products="gecko",
gecko_ffi_name="mSpecifiedWindowTransform",
flags="GETCS_NEEDS_LAYOUT_FLUSH",
animation_value_type="ComputedValue",
spec="None (Nonstandard internal property)"
)}
${helpers.predefined_type("-moz-window-transform-origin",
"TransformOrigin",
"computed::TransformOrigin::initial_value()",
animation_value_type="ComputedValue",
gecko_ffi_name="mWindowTransformOrigin",
products="gecko",
boxed=True,
enabled_in="chrome",
spec="None (Nonstandard internal property)")}
// TODO(bug 1419695) This should be hidden from content.
${helpers.predefined_type(
"-moz-window-transform-origin",
"TransformOrigin",
"computed::TransformOrigin::initial_value()",
animation_value_type="ComputedValue",
gecko_ffi_name="mWindowTransformOrigin",
products="gecko",
boxed=True,
flags="GETCS_NEEDS_LAYOUT_FLUSH",
spec="None (Nonstandard internal property)"
)}
// TODO(emilio): Probably also should be hidden from content.
${helpers.predefined_type("-moz-force-broken-image-icon",

17
components/style/properties/properties.mako.rs
View file

@ -781,6 +781,15 @@ bitflags! {
const APPLIES_TO_FIRST_LINE = 1 << 4;
/// This longhand property applies to ::placeholder.
const APPLIES_TO_PLACEHOLDER = 1 << 5;
/* The following flags are currently not used in Rust code, they
* only need to be listed in corresponding properties so that
* they can be checked in the C++ side via ServoCSSPropList.h. */
/// This property's getComputedStyle implementation requires layout
/// to be flushed.
const GETCS_NEEDS_LAYOUT_FLUSH = 0;
/// This property can be animated on the compositor.
const CAN_ANIMATE_ON_COMPOSITOR = 0;
}
}
@ -2233,9 +2242,13 @@ pub mod style_structs {
pub fn compute_font_hash(&mut self) {
// Corresponds to the fields in
// `gfx::font_template::FontTemplateDescriptor`.
//
// FIXME(emilio): Where's font-style?
let mut hasher: FnvHasher = Default::default();
hasher.write_u16(self.font_weight.0);
self.font_stretch.hash(&mut hasher);
// We hash the floating point number with four decimal
// places.
hasher.write_u64((self.font_weight.0 * 10000.).trunc() as u64);
hasher.write_u64(((self.font_stretch.0).0 * 10000.).trunc() as u64);
self.font_family.hash(&mut hasher);
self.hash = hasher.finish()
}

27
components/style/properties/shorthand/font.mako.rs
View file

@ -27,6 +27,7 @@
use properties::longhands::system_font::SystemFont;
use values::specified::text::LineHeight;
use values::specified::FontSize;
use values::specified::font::{FontStretch, FontStretchKeyword};
<%
gecko_sub_properties = "kerning language_override size_adjust \
@ -94,8 +95,8 @@
}
}
if stretch.is_none() {
if let Ok(value) = input.try(|input| font_stretch::parse(context, input)) {
stretch = Some(value);
if let Ok(value) = input.try(FontStretchKeyword::parse) {
stretch = Some(FontStretch::Keyword(value));
continue
}
}
@ -180,15 +181,31 @@
% endfor
% endif
// In case of serialization for canvas font, we need to drop
// initial values of properties other than size and family.
% for name in "style variant_caps weight stretch".split():
// Only font-stretch keywords are allowed as part as the font
// shorthand.
let font_stretch = match *self.font_stretch {
FontStretch::Keyword(kw) => kw,
FontStretch::Stretch(percentage) => {
match FontStretchKeyword::from_percentage(percentage.get()) {
Some(kw) => kw,
None => return Ok(()),
}
}
FontStretch::System(..) => return Ok(()),
};
% for name in "style variant_caps weight".split():
if self.font_${name} != &font_${name}::get_initial_specified_value() {
self.font_${name}.to_css(dest)?;
dest.write_str(" ")?;
}
% endfor
if font_stretch != FontStretchKeyword::Normal {
font_stretch.to_css(dest)?;
dest.write_str(" ")?;
}
self.font_size.to_css(dest)?;
if *self.line_height != LineHeight::normal() {

22
components/style/properties/shorthand/position.mako.rs
View file

@ -108,30 +108,30 @@
}
</%helpers:shorthand>
<%helpers:shorthand name="grid-gap" sub_properties="grid-row-gap grid-column-gap"
spec="https://drafts.csswg.org/css-grid/#propdef-grid-gap"
<%helpers:shorthand name="gap" alias="grid-gap" sub_properties="row-gap column-gap"
spec="https://drafts.csswg.org/css-align-3/#gap-shorthand"
products="gecko">
use properties::longhands::{grid_row_gap, grid_column_gap};
use properties::longhands::{row_gap, column_gap};
pub fn parse_value<'i, 't>(context: &ParserContext, input: &mut Parser<'i, 't>)
-> Result<Longhands, ParseError<'i>> {
let row_gap = grid_row_gap::parse(context, input)?;
let column_gap = input.try(|input| grid_column_gap::parse(context, input)).unwrap_or(row_gap.clone());
let r_gap = row_gap::parse(context, input)?;
let c_gap = input.try(|input| column_gap::parse(context, input)).unwrap_or(r_gap.clone());
Ok(expanded! {
grid_row_gap: row_gap,
grid_column_gap: column_gap,
row_gap: r_gap,
column_gap: c_gap,
})
}
impl<'a> ToCss for LonghandsToSerialize<'a> {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: fmt::Write {
if self.grid_row_gap == self.grid_column_gap {
self.grid_row_gap.to_css(dest)
if self.row_gap == self.column_gap {
self.row_gap.to_css(dest)
} else {
self.grid_row_gap.to_css(dest)?;
self.row_gap.to_css(dest)?;
dest.write_str(" ")?;
self.grid_column_gap.to_css(dest)
self.column_gap.to_css(dest)
}
}
}

100
components/style/rule_tree/mod.rs
View file

@ -162,6 +162,16 @@ const FREE_LIST_SENTINEL: *mut RuleNode = 0x01 as *mut RuleNode;
/// another thread is currently adding an entry). We spin if we find this value.
const FREE_LIST_LOCKED: *mut RuleNode = 0x02 as *mut RuleNode;
/// A counter to track how many inner shadow roots rules deep we are.
///
/// This is used to handle:
///
/// https://drafts.csswg.org/css-scoping/#shadow-cascading
///
/// In particular, it'd be `0` for the innermost shadow host, `1` for the next,
/// and so on.
pub type ShadowCascadeOrder = u8;
impl RuleTree {
/// Construct a new rule tree.
pub fn new() -> Self {
@ -198,7 +208,7 @@ impl RuleTree {
guards: &StylesheetGuards,
) -> StrongRuleNode
where
I: Iterator<Item = (StyleSource, CascadeLevel)>,
I: Iterator<Item = (StyleSource, CascadeLevel, ShadowCascadeOrder)>,
{
use self::CascadeLevel::*;
let mut current = self.root.clone();
@ -206,13 +216,18 @@ impl RuleTree {
let mut found_important = false;
let mut important_style_attr = None;
let mut important_author = SmallVec::<[StyleSource; 4]>::new();
let mut important_same_tree = SmallVec::<[StyleSource; 4]>::new();
let mut important_inner_shadow = SmallVec::<[SmallVec<[StyleSource; 4]>; 4]>::new();
important_inner_shadow.push(SmallVec::new());
let mut important_user = SmallVec::<[StyleSource; 4]>::new();
let mut important_ua = SmallVec::<[StyleSource; 4]>::new();
let mut transition = None;
for (source, level) in iter {
debug_assert!(last_level <= level, "Not really ordered");
let mut last_cascade_order = 0;
for (source, level, shadow_cascade_order) in iter {
debug_assert!(level >= last_level, "Not really ordered");
debug_assert!(!level.is_important(), "Important levels handled internally");
let any_important = {
let pdb = source.read(level.guard(guards));
@ -222,7 +237,22 @@ impl RuleTree {
if any_important {
found_important = true;
match level {
AuthorNormal => important_author.push(source.clone()),
InnerShadowNormal => {
debug_assert!(
shadow_cascade_order >= last_cascade_order,
"Not really ordered"
);
if shadow_cascade_order > last_cascade_order &&
!important_inner_shadow.last().unwrap().is_empty()
{
last_cascade_order = shadow_cascade_order;
important_inner_shadow.push(SmallVec::new());
}
important_inner_shadow.last_mut().unwrap().push(source.clone())
}
SameTreeAuthorNormal => {
important_same_tree.push(source.clone())
},
UANormal => important_ua.push(source.clone()),
UserNormal => important_user.push(source.clone()),
StyleAttributeNormal => {
@ -265,14 +295,20 @@ impl RuleTree {
// followed by any transition rule.
//
for source in important_author.drain() {
current = current.ensure_child(self.root.downgrade(), source, AuthorImportant);
for source in important_same_tree.drain() {
current = current.ensure_child(self.root.downgrade(), source, SameTreeAuthorImportant);
}
if let Some(source) = important_style_attr {
current = current.ensure_child(self.root.downgrade(), source, StyleAttributeImportant);
}
for mut list in important_inner_shadow.drain().rev() {
for source in list.drain() {
current = current.ensure_child(self.root.downgrade(), source, InnerShadowImportant);
}
}
for source in important_user.drain() {
current = current.ensure_child(self.root.downgrade(), source, UserImportant);
}
@ -295,9 +331,10 @@ impl RuleTree {
applicable_declarations: &mut ApplicableDeclarationList,
guards: &StylesheetGuards,
) -> StrongRuleNode {
let rules = applicable_declarations.drain().map(|d| d.order_and_level());
let rule_node = self.insert_ordered_rules_with_important(rules, guards);
rule_node
self.insert_ordered_rules_with_important(
applicable_declarations.drain().map(|d| d.for_rule_tree()),
guards,
)
}
/// Insert the given rules, that must be in proper order by specifity, and
@ -381,8 +418,8 @@ impl RuleTree {
// also equally valid. This is less likely, and would require an
// in-place mutation of the source, which is, at best, fiddly,
// so let's skip it for now.
let is_here_already = match &current.get().source {
&StyleSource::Declarations(ref already_here) => {
let is_here_already = match current.get().source {
StyleSource::Declarations(ref already_here) => {
pdb.with_arc(|arc| Arc::ptr_eq(arc, already_here))
},
_ => unreachable!("Replacing non-declarations style?"),
@ -500,9 +537,22 @@ const RULE_TREE_GC_INTERVAL: usize = 300;
/// The order of variants declared here is significant, and must be in
/// _ascending_ order of precedence.
///
/// See also [4] for the Shadow DOM bits. We rely on the invariant that rules
/// from outside the tree the element is in can't affect the element.
///
/// The opposite is not true (i.e., :host and ::slotted) from an "inner" shadow
/// tree may affect an element connected to the document or an "outer" shadow
/// tree.
///
/// We need to differentiate between rules from the same tree and "inner" shadow
/// trees in order to be able to find the right position for the style attribute
/// easily. Otherwise we wouldn't be able to avoid selector-matching when a
/// style attribute is added or removed.
///
/// [1]: https://drafts.csswg.org/css-cascade/#cascade-origin
/// [2]: https://drafts.csswg.org/css-cascade/#preshint
/// [3]: https://html.spec.whatwg.org/multipage/#presentational-hints
/// [4]: https://drafts.csswg.org/css-scoping/#shadow-cascading
#[repr(u8)]
#[derive(Clone, Copy, Debug, Eq, PartialEq, PartialOrd)]
#[cfg_attr(feature = "servo", derive(MallocSizeOf))]
@ -513,18 +563,27 @@ pub enum CascadeLevel {
UserNormal,
/// Presentational hints.
PresHints,
/// Author normal rules.
AuthorNormal,
/// Shadow DOM styles from "inner" shadow trees.
///
/// See above for why this is needed instead of merging InnerShadowNormal,
/// SameTreeAuthorNormal and StyleAttributeNormal inside something like
/// AuthorNormal.
InnerShadowNormal,
/// Author normal rules from the same tree the element is in.
SameTreeAuthorNormal,
/// Style attribute normal rules.
StyleAttributeNormal,
/// SVG SMIL animations.
SMILOverride,
/// CSS animations and script-generated animations.
Animations,
/// Author-supplied important rules.
AuthorImportant,
/// Author-supplied important rules from the same tree the element came
/// from.
SameTreeAuthorImportant,
/// Style attribute important rules.
StyleAttributeImportant,
/// Shadow DOM important rules.
InnerShadowImportant,
/// User important rules.
UserImportant,
/// User-agent important rules.
@ -571,7 +630,8 @@ impl CascadeLevel {
#[inline]
pub fn is_important(&self) -> bool {
match *self {
CascadeLevel::AuthorImportant |
CascadeLevel::SameTreeAuthorImportant |
CascadeLevel::InnerShadowImportant |
CascadeLevel::StyleAttributeImportant |
CascadeLevel::UserImportant |
CascadeLevel::UAImportant => true,
@ -1302,11 +1362,13 @@ impl StrongRuleNode {
},
// Author rules:
CascadeLevel::PresHints |
CascadeLevel::AuthorNormal |
CascadeLevel::SameTreeAuthorNormal |
CascadeLevel::InnerShadowNormal |
CascadeLevel::StyleAttributeNormal |
CascadeLevel::SMILOverride |
CascadeLevel::Animations |
CascadeLevel::AuthorImportant |
CascadeLevel::SameTreeAuthorImportant |
CascadeLevel::InnerShadowImportant |
CascadeLevel::StyleAttributeImportant |
CascadeLevel::Transitions => {
for (id, declaration) in longhands {

18
components/style/selector_map.rs
View file

@ -14,7 +14,7 @@ use hash::{HashMap, HashSet};
use hash::map as hash_map;
use hashglobe::FailedAllocationError;
use precomputed_hash::PrecomputedHash;
use rule_tree::CascadeLevel;
use rule_tree::{CascadeLevel, ShadowCascadeOrder};
use selector_parser::SelectorImpl;
use selectors::matching::{matches_selector, ElementSelectorFlags, MatchingContext};
use selectors::parser::{Combinator, Component, SelectorIter};
@ -163,6 +163,7 @@ impl SelectorMap<Rule> {
context: &mut MatchingContext<E::Impl>,
flags_setter: &mut F,
cascade_level: CascadeLevel,
shadow_cascade_order: ShadowCascadeOrder,
) where
E: TElement,
F: FnMut(&E, ElementSelectorFlags),
@ -185,6 +186,7 @@ impl SelectorMap<Rule> {
context,
flags_setter,
cascade_level,
shadow_cascade_order,
)
}
}
@ -198,6 +200,7 @@ impl SelectorMap<Rule> {
context,
flags_setter,
cascade_level,
shadow_cascade_order,
)
}
});
@ -210,6 +213,7 @@ impl SelectorMap<Rule> {
context,
flags_setter,
cascade_level,
shadow_cascade_order,
)
}
@ -220,6 +224,7 @@ impl SelectorMap<Rule> {
context,
flags_setter,
cascade_level,
shadow_cascade_order,
);
// Sort only the rules we just added.
@ -235,6 +240,7 @@ impl SelectorMap<Rule> {
context: &mut MatchingContext<E::Impl>,
flags_setter: &mut F,
cascade_level: CascadeLevel,
shadow_cascade_order: ShadowCascadeOrder,
) where
E: TElement,
F: FnMut(&E, ElementSelectorFlags),
@ -248,7 +254,7 @@ impl SelectorMap<Rule> {
context,
flags_setter,
) {
matching_rules.push(rule.to_applicable_declaration_block(cascade_level));
matching_rules.push(rule.to_applicable_declaration_block(cascade_level, shadow_cascade_order));
}
}
}
@ -448,13 +454,7 @@ fn specific_bucket_for<'a>(component: &'a Component<SelectorImpl>) -> Bucket<'a>
//
// So inserting `span` in the rule hash makes sense since we want to
// match the slotted <span>.
//
// FIXME(emilio, bug 1426516): The line below causes valgrind failures
// and it's probably a false positive, we should uncomment whenever
// jseward is back to confirm / whitelist it.
//
// Meanwhile taking the code path below is slower, but still correct.
// Component::Slotted(ref selector) => find_bucket(selector.iter()),
Component::Slotted(ref selector) => find_bucket(selector.iter()),
Component::Host(Some(ref selector)) => find_bucket(selector.iter()),
_ => Bucket::Universal,
}

12
components/style/style_adjuster.rs
View file

@ -359,12 +359,10 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
#[cfg(feature = "gecko")]
fn adjust_for_mathvariant(&mut self) {
use properties::longhands::_moz_math_variant::computed_value::T as MozMathVariant;
use properties::longhands::font_style::computed_value::T as FontStyle;
use properties::longhands::font_weight::computed_value::T as FontWeight;
use values::generics::font::FontStyle;
if self.style.get_font().clone__moz_math_variant() != MozMathVariant::None {
let font_style = self.style.mutate_font();
// Sadly we don't have a nice name for the computed value
// of "font-weight: normal".
font_style.set_font_weight(FontWeight::normal());
font_style.set_font_style(FontStyle::Normal);
}
@ -673,17 +671,15 @@ impl<'a, 'b: 'a> StyleAdjuster<'a, 'b> {
}
}
/// Resolves "justify-items: auto" based on the inherited style if needed to
/// comply with:
/// Resolves "justify-items: legacy" based on the inherited style if needed
/// to comply with:
///
/// <https://drafts.csswg.org/css-align/#valdef-justify-items-legacy>
///
/// (Note that "auto" is being renamed to "legacy")
#[cfg(feature = "gecko")]
fn adjust_for_justify_items(&mut self) {
use values::specified::align;
let justify_items = self.style.get_position().clone_justify_items();
if justify_items.specified.0 != align::AlignFlags::AUTO {
if justify_items.specified.0 != align::AlignFlags::LEGACY {
return;
}

7
components/style/stylesheets/import_rule.rs
View file

@ -171,10 +171,9 @@ pub struct ImportRule {
/// The `<url>` this `@import` rule is loading.
pub url: CssUrl,
/// The stylesheet is always present.
///
/// It contains an empty list of rules and namespace set that is updated
/// when it loads.
/// The stylesheet is always present. However, in the case of gecko async
/// parsing, we don't actually have a Gecko sheet at first, and so the
/// ImportSheet just has stub behavior until it appears.
pub stylesheet: ImportSheet,
/// The line and column of the rule's source code.

37
components/style/stylist.rs
View file

@ -23,7 +23,7 @@ use media_queries::Device;
use properties::{self, CascadeFlags, ComputedValues};
use properties::{AnimationRules, PropertyDeclarationBlock};
use rule_cache::{RuleCache, RuleCacheConditions};
use rule_tree::{CascadeLevel, RuleTree, StrongRuleNode, StyleSource};
use rule_tree::{CascadeLevel, RuleTree, ShadowCascadeOrder, StrongRuleNode, StyleSource};
use selector_map::{PrecomputedHashMap, SelectorMap, SelectorMapEntry};
use selector_parser::{PerPseudoElementMap, PseudoElement, SelectorImpl, SnapshotMap};
use selectors::NthIndexCache;
@ -693,7 +693,7 @@ impl Stylist {
match declarations {
Some(decls) => self.rule_tree.insert_ordered_rules_with_important(
decls.into_iter().map(|a| (a.source.clone(), a.level())),
decls.into_iter().map(|a| a.clone().for_rule_tree()),
guards,
),
None => self.rule_tree.root().clone(),
@ -1020,7 +1020,7 @@ impl Stylist {
);
if !declarations.is_empty() {
let rule_node = self.rule_tree.insert_ordered_rules_with_important(
declarations.drain().map(|a| a.order_and_level()),
declarations.drain().map(|a| a.for_rule_tree()),
guards,
);
if rule_node != *self.rule_tree.root() {
@ -1187,6 +1187,7 @@ impl Stylist {
context,
flags_setter,
CascadeLevel::UANormal,
0,
);
}
@ -1208,6 +1209,7 @@ impl Stylist {
context,
flags_setter,
CascadeLevel::UserNormal,
0,
);
}
}
@ -1232,6 +1234,7 @@ impl Stylist {
}
let mut match_document_author_rules = matches_author_rules;
let mut shadow_cascade_order = 0;
// XBL / Shadow DOM rules, which are author rules too.
//
@ -1249,9 +1252,11 @@ impl Stylist {
applicable_declarations,
context,
flags_setter,
CascadeLevel::AuthorNormal,
CascadeLevel::InnerShadowNormal,
shadow_cascade_order,
);
});
shadow_cascade_order += 1;
}
}
@ -1275,9 +1280,11 @@ impl Stylist {
applicable_declarations,
context,
flags_setter,
CascadeLevel::AuthorNormal,
CascadeLevel::InnerShadowNormal,
shadow_cascade_order,
);
});
shadow_cascade_order += 1;
}
}
@ -1291,9 +1298,11 @@ impl Stylist {
applicable_declarations,
context,
flags_setter,
CascadeLevel::AuthorNormal,
CascadeLevel::SameTreeAuthorNormal,
shadow_cascade_order,
);
});
shadow_cascade_order += 1;
}
match_document_author_rules = false;
@ -1309,10 +1318,6 @@ impl Stylist {
if let Some(map) = cascade_data.normal_rules(pseudo_element) {
// NOTE(emilio): This is needed because the XBL stylist may
// think it has a different quirks mode than the document.
//
// FIXME(emilio): this should use the same VisitedMatchingMode
// as `context`, write a test-case of :visited not working on
// Shadow DOM and fix it!
let mut matching_context = MatchingContext::new(
context.matching_mode(),
context.bloom_filter,
@ -1322,13 +1327,16 @@ impl Stylist {
matching_context.pseudo_element_matching_fn =
context.pseudo_element_matching_fn;
// SameTreeAuthorNormal instead of InnerShadowNormal to
// preserve behavior, though that's kinda fishy...
map.get_all_matching_rules(
element,
rule_hash_target,
applicable_declarations,
&mut matching_context,
flags_setter,
CascadeLevel::AuthorNormal,
CascadeLevel::SameTreeAuthorNormal,
shadow_cascade_order,
);
}
});
@ -1344,7 +1352,8 @@ impl Stylist {
applicable_declarations,
context,
flags_setter,
CascadeLevel::AuthorNormal,
CascadeLevel::SameTreeAuthorNormal,
shadow_cascade_order,
);
}
}
@ -2172,6 +2181,7 @@ impl CascadeData {
self.rules_source_order,
CascadeLevel::UANormal,
selector.specificity(),
0,
));
continue;
}
@ -2468,9 +2478,10 @@ impl Rule {
pub fn to_applicable_declaration_block(
&self,
level: CascadeLevel,
shadow_cascade_order: ShadowCascadeOrder,
) -> ApplicableDeclarationBlock {
let source = StyleSource::Style(self.style_rule.clone());
ApplicableDeclarationBlock::new(source, self.source_order, level, self.specificity())
ApplicableDeclarationBlock::new(source, self.source_order, level, self.specificity(), shadow_cascade_order)
}
/// Creates a new Rule.

25
components/style/values/computed/align.rs
View file

@ -20,10 +20,10 @@ pub use super::specified::{AlignSelf, JustifySelf};
/// In particular, `justify-items` is a reset property, so we ought to be able
/// to share its computed representation across elements as long as they match
/// the same rules. Except that it's not true if the specified value for
/// `justify-items` is `auto` and the computed value of the parent has the
/// `justify-items` is `legacy` and the computed value of the parent has the
/// `legacy` modifier.
///
/// So instead of computing `auto` "normally" looking at get_parent_position(),
/// So instead of computing `legacy` "normally" looking at get_parent_position(),
/// marking it as uncacheable, we carry the specified value around and handle
/// the special case in `StyleAdjuster` instead, only when the result of the
/// computation would vary.
@ -35,18 +35,21 @@ pub use super::specified::{AlignSelf, JustifySelf};
/// See the discussion in https://bugzil.la/1384542.
#[derive(Clone, Copy, Debug, Eq, PartialEq, ToCss)]
pub struct JustifyItems {
/// The specified value for the property. Can contain `auto`.
/// The specified value for the property. Can contain the bare `legacy`
/// keyword.
#[css(skip)]
pub specified: specified::JustifyItems,
/// The computed value for the property. Cannot contain `auto`.
/// The computed value for the property. Cannot contain the bare `legacy`
/// keyword, but note that it could contain it in combination with other
/// keywords like `left`, `right` or `center`.
pub computed: specified::JustifyItems,
}
impl JustifyItems {
/// Returns the `auto` value.
pub fn auto() -> Self {
/// Returns the `legacy` value.
pub fn legacy() -> Self {
Self {
specified: specified::JustifyItems::auto(),
specified: specified::JustifyItems::legacy(),
computed: specified::JustifyItems::normal(),
}
}
@ -59,13 +62,13 @@ impl ToComputedValue for specified::JustifyItems {
fn to_computed_value(&self, _context: &Context) -> JustifyItems {
use values::specified::align;
let specified = *self;
let computed = if self.0 != align::AlignFlags::AUTO {
let computed = if self.0 != align::AlignFlags::LEGACY {
*self
} else {
// If the inherited value of `justify-items` includes the
// `legacy` keyword, `auto` computes to the inherited value,
// but we assume it computes to `normal`, and handle that
// special-case in StyleAdjuster.
// `legacy` keyword, `legacy` computes to the inherited value, but
// we assume it computes to `normal`, and handle that special-case
// in StyleAdjuster.
Self::normal()
};

6
components/style/values/computed/angle.rs
View file

@ -64,6 +64,12 @@ impl Angle {
radians.min(f64::MAX).max(f64::MIN)
}
/// Return the value in degrees.
pub fn degrees(&self) -> f32 {
use std::f32::consts::PI;
self.radians() * 360. / (2. * PI)
}
/// <https://drafts.csswg.org/css-transitions/#animtype-number>
#[inline]
fn animate_fallback(&self, other: &Self, procedure: Procedure) -> Result<Self, ()> {

172
components/style/values/computed/font.rs
View file

@ -22,23 +22,38 @@ use std::slice;
use style_traits::{CssWriter, ParseError, ToCss};
use values::CSSFloat;
use values::animated::{ToAnimatedValue, ToAnimatedZero};
use values::computed::{Context, Integer, NonNegativeLength, Number, ToComputedValue};
use values::generics::font::{FeatureTagValue, FontSettings};
use values::generics::font::{KeywordInfo as GenericKeywordInfo, VariationValue};
use values::specified::font as specified;
use values::computed::{Angle, Context, Integer, NonNegativeLength, Number, ToComputedValue};
use values::generics::font::{self as generics, FeatureTagValue, FontSettings, VariationValue};
use values::specified::font::{self as specified, MIN_FONT_WEIGHT, MAX_FONT_WEIGHT};
use values::specified::length::{FontBaseSize, NoCalcLength};
pub use values::computed::Length as MozScriptMinSize;
pub use values::specified::font::{FontSynthesis, MozScriptSizeMultiplier, XLang, XTextZoom};
pub use values::computed::NonNegativePercentage as FontStretch;
/// As of CSS Fonts Module Level 3, only the following values are
/// valid: 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900
/// A value for the font-weight property per:
///
/// However, system fonts may provide other values. Pango
/// may provide 350, 380, and 1000 (on top of the existing values), for example.
#[derive(Clone, ComputeSquaredDistance, Copy, Debug, Eq, Hash, MallocSizeOf, PartialEq, ToCss)]
/// https://drafts.csswg.org/css-fonts-4/#propdef-font-weight
///
/// This is effectively just a `Number`.
#[derive(Clone, ComputeSquaredDistance, Copy, Debug, MallocSizeOf, PartialEq,
ToCss)]
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
pub struct FontWeight(pub u16);
pub struct FontWeight(pub Number);
impl ToAnimatedValue for FontWeight {
type AnimatedValue = Number;
#[inline]
fn to_animated_value(self) -> Self::AnimatedValue {
self.0
}
#[inline]
fn from_animated_value(animated: Self::AnimatedValue) -> Self {
FontWeight(animated.max(MIN_FONT_WEIGHT).min(MAX_FONT_WEIGHT))
}
}
#[derive(Animate, Clone, ComputeSquaredDistance, Copy, Debug, MallocSizeOf, PartialEq,
ToAnimatedZero, ToCss)]
@ -52,26 +67,17 @@ pub struct FontSize {
}
/// Additional information for computed keyword-derived font sizes.
pub type KeywordInfo = GenericKeywordInfo<NonNegativeLength>;
pub type KeywordInfo = generics::KeywordInfo<NonNegativeLength>;
impl FontWeight {
/// Value for normal
pub fn normal() -> Self {
FontWeight(400)
FontWeight(400.)
}
/// Value for bold
pub fn bold() -> Self {
FontWeight(700)
}
/// Convert from an integer to Weight
pub fn from_int(n: i32) -> Result<Self, ()> {
if n >= 100 && n <= 900 && n % 100 == 0 {
Ok(FontWeight(n as u16))
} else {
Err(())
}
FontWeight(700.)
}
/// Convert from an Gecko weight
@ -80,33 +86,39 @@ impl FontWeight {
// we allow a wider range of weights than is parseable
// because system fonts may provide custom values
let weight = unsafe { bindings::Gecko_FontWeight_ToFloat(weight) };
FontWeight(weight as u16)
FontWeight(weight)
}
/// Weither this weight is bold
pub fn is_bold(&self) -> bool {
self.0 > 500
self.0 > 500.
}
/// Return the bolder weight
/// Return the bolder weight.
///
/// See the table in:
/// https://drafts.csswg.org/css-fonts-4/#font-weight-numeric-values
pub fn bolder(self) -> Self {
if self.0 < 400 {
FontWeight(400)
} else if self.0 < 600 {
FontWeight(700)
if self.0 < 350. {
FontWeight(400.)
} else if self.0 < 550. {
FontWeight(700.)
} else {
FontWeight(900)
FontWeight(self.0.max(900.))
}
}
/// Returns the lighter weight
/// Return the lighter weight.
///
/// See the table in:
/// https://drafts.csswg.org/css-fonts-4/#font-weight-numeric-values
pub fn lighter(self) -> Self {
if self.0 < 600 {
FontWeight(100)
} else if self.0 < 800 {
FontWeight(400)
if self.0 < 550. {
FontWeight(self.0.min(100.))
} else if self.0 < 750. {
FontWeight(400.)
} else {
FontWeight(700)
FontWeight(700.)
}
}
}
@ -816,3 +828,91 @@ impl ToComputedValue for specified::MozScriptLevel {
specified::MozScriptLevel::MozAbsolute(*other as i32)
}
}
/// A wrapper over an `Angle`, that handles clamping to the appropriate range
/// for `font-style` animation.
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToCss)]
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
pub struct FontStyleAngle(pub Angle);
impl ToAnimatedValue for FontStyleAngle {
type AnimatedValue = Angle;
#[inline]
fn to_animated_value(self) -> Self::AnimatedValue {
self.0
}
#[inline]
fn from_animated_value(animated: Self::AnimatedValue) -> Self {
FontStyleAngle(Angle::Deg(
animated.degrees()
.min(specified::FONT_STYLE_OBLIQUE_MAX_ANGLE_DEGREES)
.max(specified::FONT_STYLE_OBLIQUE_MIN_ANGLE_DEGREES)
))
}
}
/// The computed value of `font-style`.
///
/// FIXME(emilio): Angle should be a custom type to handle clamping during
/// animation.
pub type FontStyle = generics::FontStyle<FontStyleAngle>;
impl FontStyle {
/// The `normal` value.
#[inline]
pub fn normal() -> Self {
generics::FontStyle::Normal
}
/// The default angle for font-style: oblique. This is 20deg per spec:
///
/// https://drafts.csswg.org/css-fonts-4/#valdef-font-style-oblique-angle
#[inline]
pub fn default_angle() -> FontStyleAngle {
FontStyleAngle(Angle::Deg(specified::DEFAULT_FONT_STYLE_OBLIQUE_ANGLE_DEGREES))
}
/// Get the font style from Gecko's nsFont struct.
#[cfg(feature = "gecko")]
pub fn from_gecko(style: structs::FontSlantStyle) -> Self {
let mut angle = 0.;
let mut italic = false;
let mut normal = false;
unsafe {
bindings::Gecko_FontSlantStyle_Get(style, &mut normal, &mut italic, &mut angle);
}
if normal {
return generics::FontStyle::Normal;
}
if italic {
return generics::FontStyle::Italic;
}
generics::FontStyle::Oblique(FontStyleAngle(Angle::Deg(angle)))
}
}
impl ToCss for FontStyle {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: fmt::Write,
{
match *self {
generics::FontStyle::Normal => dest.write_str("normal"),
generics::FontStyle::Italic => dest.write_str("italic"),
generics::FontStyle::Oblique(ref angle) => {
dest.write_str("oblique")?;
// Use `degrees` instead of just comparing Angle because
// `degrees` can return slightly different values due to
// floating point conversions.
if angle.0.degrees() != Self::default_angle().0.degrees() {
dest.write_char(' ')?;
angle.to_css(dest)?;
}
Ok(())
}
}
}
}

6
components/style/values/computed/mod.rs
View file

@ -39,8 +39,8 @@ pub use self::angle::Angle;
pub use self::background::{BackgroundRepeat, BackgroundSize};
pub use self::border::{BorderImageRepeat, BorderImageSideWidth, BorderImageSlice, BorderImageWidth};
pub use self::border::{BorderCornerRadius, BorderRadius, BorderSpacing};
pub use self::font::{FontSize, FontSizeAdjust, FontSynthesis, FontVariantAlternates, FontWeight};
pub use self::font::{FontFamily, FontLanguageOverride, FontVariantEastAsian, FontVariationSettings};
pub use self::font::{FontSize, FontSizeAdjust, FontStretch, FontSynthesis, FontVariantAlternates, FontWeight};
pub use self::font::{FontFamily, FontLanguageOverride, FontStyle, FontVariantEastAsian, FontVariationSettings};
pub use self::font::{FontFeatureSettings, FontVariantLigatures, FontVariantNumeric};
pub use self::font::{MozScriptLevel, MozScriptMinSize, MozScriptSizeMultiplier, XLang, XTextZoom};
pub use self::box_::{AnimationIterationCount, AnimationName, Contain, Display};
@ -66,7 +66,7 @@ pub use self::list::Quotes;
#[cfg(feature = "gecko")]
pub use self::list::ListStyleType;
pub use self::outline::OutlineStyle;
pub use self::percentage::Percentage;
pub use self::percentage::{Percentage, NonNegativePercentage};
pub use self::pointing::{CaretColor, Cursor};
#[cfg(feature = "gecko")]
pub use self::pointing::CursorImage;

33
components/style/values/computed/percentage.rs
View file

@ -7,6 +7,8 @@
use std::fmt;
use style_traits::{CssWriter, ToCss};
use values::{serialize_percentage, CSSFloat};
use values::animated::ToAnimatedValue;
use values::generics::NonNegative;
/// A computed percentage.
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
@ -48,3 +50,34 @@ impl ToCss for Percentage {
serialize_percentage(self.0, dest)
}
}
/// A wrapper over a `Percentage`, whose value should be clamped to 0.
pub type NonNegativePercentage = NonNegative<Percentage>;
impl NonNegativePercentage {
/// 0%
#[inline]
pub fn zero() -> Self {
NonNegative(Percentage::zero())
}
/// 100%
#[inline]
pub fn hundred() -> Self {
NonNegative(Percentage::hundred())
}
}
impl ToAnimatedValue for NonNegativePercentage {
type AnimatedValue = Percentage;
#[inline]
fn to_animated_value(self) -> Self::AnimatedValue {
self.0
}
#[inline]
fn from_animated_value(animated: Self::AnimatedValue) -> Self {
NonNegative(animated.clamp_to_non_negative())
}
}

15
components/style/values/generics/font.rs
View file

@ -231,3 +231,18 @@ impl ToCss for KeywordSize {
})
}
}
/// A generic value for the `font-style` property.
///
/// https://drafts.csswg.org/css-fonts-4/#font-style-prop
#[allow(missing_docs)]
#[derive(Animate, Clone, ComputeSquaredDistance, Copy, Debug, MallocSizeOf,
PartialEq, ToAnimatedValue, ToAnimatedZero)]
#[cfg_attr(feature = "servo", derive(Deserialize, Serialize))]
pub enum FontStyle<Angle> {
#[animation(error)]
Normal,
#[animation(error)]
Italic,
Oblique(Angle),
}

98
components/style/values/specified/align.rs
View file

@ -9,9 +9,8 @@
use cssparser::Parser;
use gecko_bindings::structs;
use parser::{Parse, ParserContext};
use selectors::parser::SelectorParseErrorKind;
use std::fmt::{self, Write};
use style_traits::{CssWriter, ParseError, StyleParseErrorKind, ToCss};
use style_traits::{CssWriter, ParseError, ToCss};
bitflags! {
/// Constants shared by multiple CSS Box Alignment properties
@ -81,14 +80,26 @@ impl ToCss for AlignFlags {
where
W: Write,
{
match *self & AlignFlags::FLAG_BITS {
AlignFlags::LEGACY => dest.write_str("legacy ")?,
let extra_flags = *self & AlignFlags::FLAG_BITS;
let value = self.value();
match extra_flags {
AlignFlags::LEGACY => {
dest.write_str("legacy")?;
if value.is_empty() {
return Ok(());
}
dest.write_char(' ')?;
},
AlignFlags::SAFE => dest.write_str("safe ")?,
// Don't serialize "unsafe", since it's the default.
_ => {},
AlignFlags::UNSAFE => {},
_ => {
debug_assert_eq!(extra_flags, AlignFlags::empty());
},
}
dest.write_str(match self.value() {
dest.write_str(match value {
AlignFlags::AUTO => "auto",
AlignFlags::NORMAL => "normal",
AlignFlags::START => "start",
@ -436,10 +447,10 @@ impl Parse for AlignItems {
pub struct JustifyItems(pub AlignFlags);
impl JustifyItems {
/// The initial value 'auto'
/// The initial value 'legacy'
#[inline]
pub fn auto() -> Self {
JustifyItems(AlignFlags::AUTO)
pub fn legacy() -> Self {
JustifyItems(AlignFlags::LEGACY)
}
/// The value 'normal'
@ -462,24 +473,12 @@ impl Parse for JustifyItems {
return Ok(JustifyItems(baseline));
}
// auto | normal | stretch
//
// FIXME(emilio): auto is no longer a keyword in the current spec, and
// has been renamed to legacy, but that needs different changes because
// right now it's the initial value for both style systems, and has that
// weird behavior of "inheriting" into descendants.
//
// Fix this in both.
//
// See also:
// https://bugs.webkit.org/show_bug.cgi?id=172711
// https://bugs.chromium.org/p/chromium/issues/detail?id=726148
//
if let Ok(value) = input.try(parse_auto_normal_stretch) {
// normal | stretch
if let Ok(value) = input.try(parse_normal_stretch) {
return Ok(JustifyItems(value));
}
// [ legacy || [ left | right | center ] ]
// legacy | [ legacy && [ left | right | center ] ]
if let Ok(value) = input.try(parse_legacy) {
return Ok(JustifyItems(value));
}
@ -567,29 +566,30 @@ fn parse_self_position<'i, 't>(
})
}
// [ legacy && [ left | right | center ] ]
fn parse_legacy<'i, 't>(input: &mut Parser<'i, 't>) -> Result<AlignFlags, ParseError<'i>> {
let a_location = input.current_source_location();
let a = input.expect_ident()?.clone();
let b_location = input.current_source_location();
let b = input.expect_ident()?;
if a.eq_ignore_ascii_case("legacy") {
(match_ignore_ascii_case! { &b,
"left" => Ok(AlignFlags::LEGACY | AlignFlags::LEFT),
"right" => Ok(AlignFlags::LEGACY | AlignFlags::RIGHT),
"center" => Ok(AlignFlags::LEGACY | AlignFlags::CENTER),
_ => Err(())
}).map_err(|()| {
b_location.new_custom_error(SelectorParseErrorKind::UnexpectedIdent(b.clone()))
})
} else if b.eq_ignore_ascii_case("legacy") {
(match_ignore_ascii_case! { &a,
"left" => Ok(AlignFlags::LEGACY | AlignFlags::LEFT),
"right" => Ok(AlignFlags::LEGACY | AlignFlags::RIGHT),
"center" => Ok(AlignFlags::LEGACY | AlignFlags::CENTER),
_ => Err(())
}).map_err(|()| a_location.new_custom_error(SelectorParseErrorKind::UnexpectedIdent(a)))
} else {
Err(a_location.new_custom_error(StyleParseErrorKind::UnspecifiedError))
}
fn parse_left_right_center<'i, 't>(
input: &mut Parser<'i, 't>,
) -> Result<AlignFlags, ParseError<'i>> {
Ok(try_match_ident_ignore_ascii_case! { input,
"left" => AlignFlags::LEFT,
"right" => AlignFlags::RIGHT,
"center" => AlignFlags::CENTER,
})
}
// legacy | [ legacy && [ left | right | center ] ]
fn parse_legacy<'i, 't>(input: &mut Parser<'i, 't>) -> Result<AlignFlags, ParseError<'i>> {
let flags = try_match_ident_ignore_ascii_case! { input,
"legacy" => {
let flags = input.try(parse_left_right_center)
.unwrap_or(AlignFlags::empty());
return Ok(AlignFlags::LEGACY | flags)
}
"left" => AlignFlags::LEFT,
"right" => AlignFlags::RIGHT,
"center" => AlignFlags::CENTER,
};
input.expect_ident_matching("legacy")?;
Ok(AlignFlags::LEGACY | flags)
}

15
components/style/values/specified/angle.rs
View file

@ -41,13 +41,19 @@ impl ToCss for Angle {
}
}
// FIXME(emilio): Probably computed angles shouldn't preserve the unit and
// should serialize to degrees per:
//
// https://drafts.csswg.org/css-values/#compat
impl ToComputedValue for Angle {
type ComputedValue = ComputedAngle;
#[inline]
fn to_computed_value(&self, _context: &Context) -> Self::ComputedValue {
self.value
}
#[inline]
fn from_computed_value(computed: &Self::ComputedValue) -> Self {
Angle {
value: *computed,
@ -89,6 +95,12 @@ impl Angle {
}
}
/// Whether this specified angle came from a `calc()` expression.
#[inline]
pub fn was_calc(&self) -> bool {
self.was_calc
}
/// Returns the amount of radians this angle represents.
#[inline]
pub fn radians(self) -> f32 {
@ -98,8 +110,7 @@ impl Angle {
/// Returns the amount of degrees this angle represents.
#[inline]
pub fn degrees(self) -> f32 {
use std::f32::consts::PI;
self.radians() * 360. / (2. * PI)
self.value.degrees()
}
/// Returns `0deg`.

788
components/style/values/specified/font.rs
View file

@ -17,79 +17,108 @@ use properties::longhands::system_font::SystemFont;
use std::fmt::{self, Write};
use style_traits::{CssWriter, ParseError, StyleParseErrorKind, ToCss};
use values::CustomIdent;
use values::computed::{Angle as ComputedAngle, Percentage as ComputedPercentage};
use values::computed::{font as computed, Context, Length, NonNegativeLength, ToComputedValue};
use values::computed::font::{FamilyName, FontFamilyList, SingleFontFamily};
use values::generics::font::{FeatureTagValue, FontSettings, FontTag};
use values::generics::font::{KeywordInfo as GenericKeywordInfo, KeywordSize, VariationValue};
use values::specified::{AllowQuirks, Integer, LengthOrPercentage, NoCalcLength, Number};
use values::computed::font::{FamilyName, FontFamilyList, FontStyleAngle, SingleFontFamily};
use values::generics::NonNegative;
use values::generics::font::{KeywordSize, VariationValue};
use values::generics::font::{self as generics, FeatureTagValue, FontSettings, FontTag};
use values::specified::{AllowQuirks, Angle, Integer, LengthOrPercentage, NoCalcLength, Number, Percentage};
use values::specified::length::{FontBaseSize, AU_PER_PT, AU_PER_PX};
// FIXME(emilio): The system font code is copy-pasta, and should be cleaned up.
macro_rules! system_font_methods {
($ty:ident, $field:ident) => {
system_font_methods!($ty);
fn compute_system(&self, _context: &Context) -> <$ty as ToComputedValue>::ComputedValue {
debug_assert!(matches!(*self, $ty::System(..)));
#[cfg(feature = "gecko")]
{
_context.cached_system_font.as_ref().unwrap().$field.clone()
}
#[cfg(feature = "servo")]
{
unreachable!()
}
}
};
($ty:ident) => {
/// Get a specified value that represents a system font.
pub fn system_font(f: SystemFont) -> Self {
$ty::System(f)
}
/// Retreive a SystemFont from the specified value.
pub fn get_system(&self) -> Option<SystemFont> {
if let $ty::System(s) = *self {
Some(s)
} else {
None
}
}
}
}
const DEFAULT_SCRIPT_MIN_SIZE_PT: u32 = 8;
const DEFAULT_SCRIPT_SIZE_MULTIPLIER: f64 = 0.71;
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, PartialEq, ToCss)]
/// A specified font-weight value
/// The minimum font-weight value per:
///
/// https://drafts.csswg.org/css-fonts-4/#font-weight-numeric-values
pub const MIN_FONT_WEIGHT: f32 = 1.;
/// The maximum font-weight value per:
///
/// https://drafts.csswg.org/css-fonts-4/#font-weight-numeric-values
pub const MAX_FONT_WEIGHT: f32 = 1000.;
/// A specified font-weight value.
///
/// https://drafts.csswg.org/css-fonts-4/#propdef-font-weight
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToCss)]
pub enum FontWeight {
/// Normal variant
Normal,
/// Bold variant
Bold,
/// `<font-weight-absolute>`
Absolute(AbsoluteFontWeight),
/// Bolder variant
Bolder,
/// Lighter variant
Lighter,
/// Computed weight variant
Weight(computed::FontWeight),
/// System font varaint
/// System font variant.
System(SystemFont),
}
impl FontWeight {
system_font_methods!(FontWeight, font_weight);
/// `normal`
#[inline]
pub fn normal() -> Self {
FontWeight::Absolute(AbsoluteFontWeight::Normal)
}
/// Get a specified FontWeight from a gecko keyword
pub fn from_gecko_keyword(kw: u32) -> Self {
computed::FontWeight::from_int(kw as i32)
.map(FontWeight::Weight)
.expect("Found unexpected value in style struct for font-weight property")
}
/// Get a specified FontWeight from a SystemFont
pub fn system_font(f: SystemFont) -> Self {
FontWeight::System(f)
}
/// Retreive a SystemFont from FontWeight
pub fn get_system(&self) -> Option<SystemFont> {
if let FontWeight::System(s) = *self {
Some(s)
} else {
None
}
debug_assert!(kw % 100 == 0);
debug_assert!(kw as f32 <= MAX_FONT_WEIGHT);
FontWeight::Absolute(AbsoluteFontWeight::Weight(Number::new(kw as f32)))
}
}
impl Parse for FontWeight {
fn parse<'i, 't>(
_: &ParserContext,
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<FontWeight, ParseError<'i>> {
let result = match *input.next()? {
Token::Ident(ref ident) => {
match_ignore_ascii_case! { ident,
"normal" => Ok(FontWeight::Normal),
"bold" => Ok(FontWeight::Bold),
"bolder" => Ok(FontWeight::Bolder),
"lighter" => Ok(FontWeight::Lighter),
_ => Err(()),
}
},
Token::Number {
int_value: Some(value),
..
} => computed::FontWeight::from_int(value).map(FontWeight::Weight),
_ => Err(()),
};
if let Ok(absolute) = input.try(|input| AbsoluteFontWeight::parse(context, input)) {
return Ok(FontWeight::Absolute(absolute));
}
result.map_err(|_| input.new_custom_error(StyleParseErrorKind::UnspecifiedError))
Ok(try_match_ident_ignore_ascii_case! { input,
"bolder" => FontWeight::Bolder,
"lighter" => FontWeight::Lighter,
})
}
}
@ -99,9 +128,7 @@ impl ToComputedValue for FontWeight {
#[inline]
fn to_computed_value(&self, context: &Context) -> Self::ComputedValue {
match *self {
FontWeight::Weight(weight) => weight,
FontWeight::Normal => computed::FontWeight::normal(),
FontWeight::Bold => computed::FontWeight::bold(),
FontWeight::Absolute(ref abs) => abs.compute(),
FontWeight::Bolder => context
.builder
.get_parent_font()
@ -112,21 +139,365 @@ impl ToComputedValue for FontWeight {
.get_parent_font()
.clone_font_weight()
.lighter(),
#[cfg(feature = "gecko")]
FontWeight::System(_) => context
.cached_system_font
.as_ref()
.unwrap()
.font_weight
.clone(),
#[cfg(not(feature = "gecko"))]
FontWeight::System(_) => unreachable!(),
FontWeight::System(_) => self.compute_system(context),
}
}
#[inline]
fn from_computed_value(computed: &computed::FontWeight) -> Self {
FontWeight::Weight(*computed)
FontWeight::Absolute(AbsoluteFontWeight::Weight(
Number::from_computed_value(&computed.0)
))
}
}
/// An absolute font-weight value for a @font-face rule.
///
/// https://drafts.csswg.org/css-fonts-4/#font-weight-absolute-values
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToCss)]
pub enum AbsoluteFontWeight {
/// A `<number>`, with the additional constraints specified in:
///
/// https://drafts.csswg.org/css-fonts-4/#font-weight-numeric-values
Weight(Number),
/// Normal font weight. Same as 400.
Normal,
/// Bold font weight. Same as 700.
Bold,
}
impl AbsoluteFontWeight {
/// Returns the computed value for this absolute font weight.
pub fn compute(&self) -> computed::FontWeight {
match *self {
AbsoluteFontWeight::Weight(weight) => {
computed::FontWeight(
weight.get().max(MIN_FONT_WEIGHT).min(MAX_FONT_WEIGHT)
)
},
AbsoluteFontWeight::Normal => computed::FontWeight::normal(),
AbsoluteFontWeight::Bold => computed::FontWeight::bold(),
}
}
}
impl Parse for AbsoluteFontWeight {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
if let Ok(number) = input.try(|input| Number::parse(context, input)) {
// We could add another AllowedNumericType value, but it doesn't
// seem worth it just for a single property with such a weird range,
// so we do the clamping here manually.
if !number.was_calc() &&
(number.get() < MIN_FONT_WEIGHT || number.get() > MAX_FONT_WEIGHT) {
return Err(input.new_custom_error(
StyleParseErrorKind::UnspecifiedError
))
}
return Ok(AbsoluteFontWeight::Weight(number))
}
Ok(try_match_ident_ignore_ascii_case! { input,
"normal" => AbsoluteFontWeight::Normal,
"bold" => AbsoluteFontWeight::Bold,
})
}
}
/// The specified value of the `font-style` property, without the system font
/// crap.
pub type SpecifiedFontStyle = generics::FontStyle<Angle>;
impl ToCss for SpecifiedFontStyle {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
match *self {
generics::FontStyle::Normal => dest.write_str("normal"),
generics::FontStyle::Italic => dest.write_str("italic"),
generics::FontStyle::Oblique(ref angle) => {
dest.write_str("oblique")?;
if *angle != Self::default_angle() {
dest.write_char(' ')?;
angle.to_css(dest)?;
}
Ok(())
}
}
}
}
impl Parse for SpecifiedFontStyle {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
Ok(try_match_ident_ignore_ascii_case! { input,
"normal" => generics::FontStyle::Normal,
"italic" => generics::FontStyle::Italic,
"oblique" => {
let angle = input.try(|input| Self::parse_angle(context, input))
.unwrap_or_else(|_| Self::default_angle());
generics::FontStyle::Oblique(angle)
}
})
}
}
impl ToComputedValue for SpecifiedFontStyle {
type ComputedValue = computed::FontStyle;
fn to_computed_value(&self, _: &Context) -> Self::ComputedValue {
match *self {
generics::FontStyle::Normal => generics::FontStyle::Normal,
generics::FontStyle::Italic => generics::FontStyle::Italic,
generics::FontStyle::Oblique(ref angle) => {
generics::FontStyle::Oblique(FontStyleAngle(Self::compute_angle(angle)))
}
}
}
fn from_computed_value(computed: &Self::ComputedValue) -> Self {
match *computed {
generics::FontStyle::Normal => generics::FontStyle::Normal,
generics::FontStyle::Italic => generics::FontStyle::Italic,
generics::FontStyle::Oblique(ref angle) => {
generics::FontStyle::Oblique(Angle::from_computed_value(&angle.0))
}
}
}
}
/// The default angle for `font-style: oblique`.
///
/// NOTE(emilio): As of right now this diverges from the spec, which specifies
/// 20, because it's not updated yet to account for the resolution in:
///
/// https://github.com/w3c/csswg-drafts/issues/2295
pub const DEFAULT_FONT_STYLE_OBLIQUE_ANGLE_DEGREES: f32 = 14.;
/// From https://drafts.csswg.org/css-fonts-4/#valdef-font-style-oblique-angle:
///
/// Values less than -90deg or values greater than 90deg are
/// invalid and are treated as parse errors.
///
/// The maximum angle value that `font-style: oblique` should compute to.
pub const FONT_STYLE_OBLIQUE_MAX_ANGLE_DEGREES: f32 = 90.;
/// The minimum angle value that `font-style: oblique` should compute to.
pub const FONT_STYLE_OBLIQUE_MIN_ANGLE_DEGREES: f32 = -90.;
impl SpecifiedFontStyle {
/// Gets a clamped angle from a specified Angle.
pub fn compute_angle(angle: &Angle) -> ComputedAngle {
ComputedAngle::Deg(
angle.degrees()
.max(FONT_STYLE_OBLIQUE_MIN_ANGLE_DEGREES)
.min(FONT_STYLE_OBLIQUE_MAX_ANGLE_DEGREES)
)
}
/// Parse a suitable angle for font-style: oblique.
pub fn parse_angle<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Angle, ParseError<'i>> {
let angle = Angle::parse(context, input)?;
if angle.was_calc() {
return Ok(angle);
}
let degrees = angle.degrees();
if degrees < FONT_STYLE_OBLIQUE_MIN_ANGLE_DEGREES ||
degrees > FONT_STYLE_OBLIQUE_MAX_ANGLE_DEGREES
{
return Err(input.new_custom_error(
StyleParseErrorKind::UnspecifiedError
));
}
return Ok(angle)
}
/// The default angle for `font-style: oblique`.
pub fn default_angle() -> Angle {
Angle::from_degrees(
DEFAULT_FONT_STYLE_OBLIQUE_ANGLE_DEGREES,
/* was_calc = */ false,
)
}
}
/// The specified value of the `font-style` property.
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToCss)]
#[allow(missing_docs)]
pub enum FontStyle {
Specified(SpecifiedFontStyle),
System(SystemFont),
}
impl FontStyle {
/// Return the `normal` value.
#[inline]
pub fn normal() -> Self {
FontStyle::Specified(generics::FontStyle::Normal)
}
system_font_methods!(FontStyle, font_style);
}
impl ToComputedValue for FontStyle {
type ComputedValue = computed::FontStyle;
fn to_computed_value(&self, context: &Context) -> Self::ComputedValue {
match *self {
FontStyle::Specified(ref specified) => specified.to_computed_value(context),
FontStyle::System(..) => self.compute_system(context),
}
}
fn from_computed_value(computed: &Self::ComputedValue) -> Self {
FontStyle::Specified(SpecifiedFontStyle::from_computed_value(computed))
}
}
impl Parse for FontStyle {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
Ok(FontStyle::Specified(SpecifiedFontStyle::parse(context, input)?))
}
}
/// A value for the `font-stretch` property.
///
/// https://drafts.csswg.org/css-fonts-4/#font-stretch-prop
#[allow(missing_docs)]
#[derive(Clone, Copy, Debug, MallocSizeOf, PartialEq, ToCss)]
pub enum FontStretch {
Stretch(Percentage),
Keyword(FontStretchKeyword),
System(SystemFont),
}
/// A keyword value for `font-stretch`.
#[derive(Clone, Copy, Debug, MallocSizeOf, Parse, PartialEq, ToCss)]
#[allow(missing_docs)]
pub enum FontStretchKeyword {
Normal,
Condensed,
UltraCondensed,
ExtraCondensed,
SemiCondensed,
SemiExpanded,
Expanded,
ExtraExpanded,
UltraExpanded,
}
impl FontStretchKeyword {
/// Resolves the value of the keyword as specified in:
///
/// https://drafts.csswg.org/css-fonts-4/#font-stretch-prop
pub fn compute(&self) -> ComputedPercentage {
use self::FontStretchKeyword::*;
ComputedPercentage(match *self {
UltraCondensed => 0.5,
ExtraCondensed => 0.625,
Condensed => 0.75,
SemiCondensed => 0.875,
Normal => 1.,
SemiExpanded => 1.125,
Expanded => 1.25,
ExtraExpanded => 1.5,
UltraExpanded => 2.,
})
}
/// Does the opposite operation to `compute`, in order to serialize keywords
/// if possible.
pub fn from_percentage(percentage: f32) -> Option<Self> {
use self::FontStretchKeyword::*;
// NOTE(emilio): Can't use `match` because of rust-lang/rust#41620.
if percentage == 0.5 {
return Some(UltraCondensed);
}
if percentage == 0.625 {
return Some(ExtraCondensed);
}
if percentage == 0.75 {
return Some(Condensed);
}
if percentage == 0.875 {
return Some(SemiCondensed);
}
if percentage == 1. {
return Some(Normal);
}
if percentage == 1.125 {
return Some(SemiExpanded);
}
if percentage == 1.25 {
return Some(Expanded);
}
if percentage == 1.5 {
return Some(ExtraExpanded);
}
if percentage == 2. {
return Some(UltraExpanded);
}
None
}
}
impl FontStretch {
/// `normal`.
pub fn normal() -> Self {
FontStretch::Keyword(FontStretchKeyword::Normal)
}
system_font_methods!(FontStretch, font_stretch);
}
impl Parse for FontStretch {
fn parse<'i, 't>(
context: &ParserContext,
input: &mut Parser<'i, 't>,
) -> Result<Self, ParseError<'i>> {
// From https://drafts.csswg.org/css-fonts-4/#font-stretch-prop:
//
// Values less than 0% are not allowed and are treated as parse
// errors.
if let Ok(percentage) = input.try(|input| Percentage::parse_non_negative(context, input)) {
return Ok(FontStretch::Stretch(percentage));
}
Ok(FontStretch::Keyword(FontStretchKeyword::parse(input)?))
}
}
impl ToComputedValue for FontStretch {
type ComputedValue = NonNegative<ComputedPercentage>;
fn to_computed_value(&self, context: &Context) -> Self::ComputedValue {
match *self {
FontStretch::Stretch(ref percentage) => {
NonNegative(percentage.to_computed_value(context))
},
FontStretch::Keyword(ref kw) => {
NonNegative(kw.compute())
},
FontStretch::System(_) => self.compute_system(context),
}
}
fn from_computed_value(computed: &Self::ComputedValue) -> Self {
FontStretch::Stretch(Percentage::from_computed_value(&computed.0))
}
}
@ -171,19 +542,7 @@ pub enum FontFamily {
}
impl FontFamily {
/// Get `font-family` with system font
pub fn system_font(f: SystemFont) -> Self {
FontFamily::System(f)
}
/// Get system font
pub fn get_system(&self) -> Option<SystemFont> {
if let FontFamily::System(s) = *self {
Some(s)
} else {
None
}
}
system_font_methods!(FontFamily, font_family);
/// Parse a specified font-family value
pub fn parse_specified<'i, 't>(input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i>> {
@ -205,19 +564,10 @@ impl FontFamily {
impl ToComputedValue for FontFamily {
type ComputedValue = computed::FontFamily;
fn to_computed_value(&self, _cx: &Context) -> Self::ComputedValue {
fn to_computed_value(&self, context: &Context) -> Self::ComputedValue {
match *self {
FontFamily::Values(ref v) => computed::FontFamily(v.clone()),
FontFamily::System(_) => {
#[cfg(feature = "gecko")]
{
_cx.cached_system_font.as_ref().unwrap().font_family.clone()
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontFamily::System(_) => self.compute_system(context),
}
}
@ -287,19 +637,7 @@ impl FontSizeAdjust {
FontSizeAdjust::None
}
/// Get font-size-adjust with SystemFont
pub fn system_font(f: SystemFont) -> Self {
FontSizeAdjust::System(f)
}
/// Get SystemFont variant
pub fn get_system(&self) -> Option<SystemFont> {
if let FontSizeAdjust::System(s) = *self {
Some(s)
} else {
None
}
}
system_font_methods!(FontSizeAdjust, font_size_adjust);
}
impl ToComputedValue for FontSizeAdjust {
@ -311,20 +649,7 @@ impl ToComputedValue for FontSizeAdjust {
FontSizeAdjust::Number(ref n) => {
computed::FontSizeAdjust::Number(n.to_computed_value(context))
},
FontSizeAdjust::System(_) => {
#[cfg(feature = "gecko")]
{
context
.cached_system_font
.as_ref()
.unwrap()
.font_size_adjust
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontSizeAdjust::System(_) => self.compute_system(context),
}
}
@ -359,7 +684,7 @@ impl Parse for FontSizeAdjust {
}
/// Additional information for specified keyword-derived font sizes.
pub type KeywordInfo = GenericKeywordInfo<NonNegativeLength>;
pub type KeywordInfo = generics::KeywordInfo<NonNegativeLength>;
impl KeywordInfo {
/// Computes the final size for this font-size keyword, accounting for
@ -648,22 +973,10 @@ impl ToComputedValue for FontSize {
}
impl FontSize {
/// Construct a system font value.
pub fn system_font(f: SystemFont) -> Self {
FontSize::System(f)
}
system_font_methods!(FontSize);
/// Obtain the system font, if any
pub fn get_system(&self) -> Option<SystemFont> {
if let FontSize::System(s) = *self {
Some(s)
} else {
None
}
}
#[inline]
/// Get initial value for specified font size.
#[inline]
pub fn medium() -> Self {
FontSize::Keyword(KeywordInfo::medium())
}
@ -828,42 +1141,16 @@ impl FontVariantAlternates {
FontVariantAlternates::Value(VariantAlternatesList(vec![].into_boxed_slice()))
}
/// Get FontVariantAlternates with system font
pub fn system_font(f: SystemFont) -> Self {
FontVariantAlternates::System(f)
}
/// Get SystemFont of FontVariantAlternates
pub fn get_system(&self) -> Option<SystemFont> {
if let FontVariantAlternates::System(s) = *self {
Some(s)
} else {
None
}
}
system_font_methods!(FontVariantAlternates, font_variant_alternates);
}
impl ToComputedValue for FontVariantAlternates {
type ComputedValue = computed::FontVariantAlternates;
fn to_computed_value(&self, _context: &Context) -> computed::FontVariantAlternates {
fn to_computed_value(&self, context: &Context) -> computed::FontVariantAlternates {
match *self {
FontVariantAlternates::Value(ref v) => v.clone(),
FontVariantAlternates::System(_) => {
#[cfg(feature = "gecko")]
{
_context
.cached_system_font
.as_ref()
.unwrap()
.font_variant_alternates
.clone()
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontVariantAlternates::System(_) => self.compute_system(context),
}
}
@ -1105,42 +1392,16 @@ impl FontVariantEastAsian {
FontVariantEastAsian::Value(VariantEastAsian::empty())
}
/// Get `font-variant-east-asian` with system font
pub fn system_font(f: SystemFont) -> Self {
FontVariantEastAsian::System(f)
}
/// Get system font
pub fn get_system(&self) -> Option<SystemFont> {
if let FontVariantEastAsian::System(s) = *self {
Some(s)
} else {
None
}
}
system_font_methods!(FontVariantEastAsian, font_variant_east_asian);
}
impl ToComputedValue for FontVariantEastAsian {
type ComputedValue = computed::FontVariantEastAsian;
fn to_computed_value(&self, _context: &Context) -> computed::FontVariantEastAsian {
fn to_computed_value(&self, context: &Context) -> computed::FontVariantEastAsian {
match *self {
FontVariantEastAsian::Value(ref v) => v.clone(),
FontVariantEastAsian::System(_) => {
#[cfg(feature = "gecko")]
{
_context
.cached_system_font
.as_ref()
.unwrap()
.font_variant_east_asian
.clone()
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontVariantEastAsian::System(_) => self.compute_system(context),
}
}
@ -1351,22 +1612,10 @@ pub enum FontVariantLigatures {
}
impl FontVariantLigatures {
/// Get `font-variant-ligatures` with system font
pub fn system_font(f: SystemFont) -> Self {
FontVariantLigatures::System(f)
}
system_font_methods!(FontVariantLigatures, font_variant_ligatures);
/// Get system font
pub fn get_system(&self) -> Option<SystemFont> {
if let FontVariantLigatures::System(s) = *self {
Some(s)
} else {
None
}
}
#[inline]
/// Default value of `font-variant-ligatures` as `empty`
#[inline]
pub fn empty() -> FontVariantLigatures {
FontVariantLigatures::Value(VariantLigatures::empty())
}
@ -1381,24 +1630,10 @@ impl FontVariantLigatures {
impl ToComputedValue for FontVariantLigatures {
type ComputedValue = computed::FontVariantLigatures;
fn to_computed_value(&self, _context: &Context) -> computed::FontVariantLigatures {
fn to_computed_value(&self, context: &Context) -> computed::FontVariantLigatures {
match *self {
FontVariantLigatures::Value(ref v) => v.clone(),
FontVariantLigatures::System(_) => {
#[cfg(feature = "gecko")]
{
_context
.cached_system_font
.as_ref()
.unwrap()
.font_variant_ligatures
.clone()
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontVariantLigatures::System(_) => self.compute_system(context),
}
}
@ -1611,42 +1846,16 @@ impl FontVariantNumeric {
FontVariantNumeric::Value(VariantNumeric::empty())
}
/// Get `font-variant-numeric` with system font
pub fn system_font(f: SystemFont) -> Self {
FontVariantNumeric::System(f)
}
/// Get system font
pub fn get_system(&self) -> Option<SystemFont> {
if let FontVariantNumeric::System(s) = *self {
Some(s)
} else {
None
}
}
system_font_methods!(FontVariantNumeric, font_variant_numeric);
}
impl ToComputedValue for FontVariantNumeric {
type ComputedValue = computed::FontVariantNumeric;
fn to_computed_value(&self, _context: &Context) -> computed::FontVariantNumeric {
fn to_computed_value(&self, context: &Context) -> computed::FontVariantNumeric {
match *self {
FontVariantNumeric::Value(ref v) => v.clone(),
FontVariantNumeric::System(_) => {
#[cfg(feature = "gecko")]
{
_context
.cached_system_font
.as_ref()
.unwrap()
.font_variant_numeric
.clone()
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontVariantNumeric::System(_) => self.compute_system(context),
}
}
@ -1744,19 +1953,7 @@ impl FontFeatureSettings {
FontFeatureSettings::Value(FontSettings::normal())
}
/// Get `font-feature-settings` with system font
pub fn system_font(f: SystemFont) -> Self {
FontFeatureSettings::System(f)
}
/// Get system font
pub fn get_system(&self) -> Option<SystemFont> {
if let FontFeatureSettings::System(s) = *self {
Some(s)
} else {
None
}
}
system_font_methods!(FontFeatureSettings, font_feature_settings);
}
impl ToComputedValue for FontFeatureSettings {
@ -1765,21 +1962,7 @@ impl ToComputedValue for FontFeatureSettings {
fn to_computed_value(&self, context: &Context) -> computed::FontFeatureSettings {
match *self {
FontFeatureSettings::Value(ref v) => v.to_computed_value(context),
FontFeatureSettings::System(_) => {
#[cfg(feature = "gecko")]
{
context
.cached_system_font
.as_ref()
.unwrap()
.font_feature_settings
.clone()
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontFeatureSettings::System(_) => self.compute_system(context),
}
}
@ -1919,26 +2102,14 @@ impl FontLanguageOverride {
FontLanguageOverride::Normal
}
/// Get `font-language-override` with `system font`
pub fn system_font(f: SystemFont) -> Self {
FontLanguageOverride::System(f)
}
/// Get system font
pub fn get_system(&self) -> Option<SystemFont> {
if let FontLanguageOverride::System(s) = *self {
Some(s)
} else {
None
}
}
system_font_methods!(FontLanguageOverride, font_language_override);
}
impl ToComputedValue for FontLanguageOverride {
type ComputedValue = computed::FontLanguageOverride;
#[inline]
fn to_computed_value(&self, _context: &Context) -> computed::FontLanguageOverride {
fn to_computed_value(&self, context: &Context) -> computed::FontLanguageOverride {
match *self {
FontLanguageOverride::Normal => computed::FontLanguageOverride(0),
FontLanguageOverride::Override(ref lang) => {
@ -1952,20 +2123,7 @@ impl ToComputedValue for FontLanguageOverride {
let bytes = computed_lang.into_bytes();
computed::FontLanguageOverride(BigEndian::read_u32(&bytes))
},
FontLanguageOverride::System(_) => {
#[cfg(feature = "gecko")]
{
_context
.cached_system_font
.as_ref()
.unwrap()
.font_language_override
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontLanguageOverride::System(_) => self.compute_system(context),
}
}
#[inline]
@ -2026,19 +2184,7 @@ impl FontVariationSettings {
FontVariationSettings::Value(FontSettings::normal())
}
/// Get `font-variation-settings` with system font
pub fn system_font(f: SystemFont) -> Self {
FontVariationSettings::System(f)
}
/// Get system font
pub fn get_system(&self) -> Option<SystemFont> {
if let FontVariationSettings::System(s) = *self {
Some(s)
} else {
None
}
}
system_font_methods!(FontVariationSettings, font_variation_settings);
}
impl ToComputedValue for FontVariationSettings {
@ -2047,21 +2193,7 @@ impl ToComputedValue for FontVariationSettings {
fn to_computed_value(&self, context: &Context) -> computed::FontVariationSettings {
match *self {
FontVariationSettings::Value(ref v) => v.to_computed_value(context),
FontVariationSettings::System(_) => {
#[cfg(feature = "gecko")]
{
context
.cached_system_font
.as_ref()
.unwrap()
.font_variation_settings
.clone()
}
#[cfg(feature = "servo")]
{
unreachable!()
}
},
FontVariationSettings::System(_) => self.compute_system(context),
}
}

11
components/style/values/specified/mod.rs
View file

@ -34,8 +34,8 @@ pub use self::border::{BorderCornerRadius, BorderImageSlice, BorderImageWidth};
pub use self::border::{BorderImageRepeat, BorderImageSideWidth};
pub use self::border::{BorderRadius, BorderSideWidth, BorderSpacing};
pub use self::column::ColumnCount;
pub use self::font::{FontSize, FontSizeAdjust, FontSynthesis, FontVariantAlternates, FontWeight};
pub use self::font::{FontFamily, FontLanguageOverride, FontVariantEastAsian, FontVariationSettings};
pub use self::font::{FontSize, FontSizeAdjust, FontStretch, FontSynthesis, FontVariantAlternates, FontWeight};
pub use self::font::{FontFamily, FontLanguageOverride, FontStyle, FontVariantEastAsian, FontVariationSettings};
pub use self::font::{FontFeatureSettings, FontVariantLigatures, FontVariantNumeric};
pub use self::font::{MozScriptLevel, MozScriptMinSize, MozScriptSizeMultiplier, XLang, XTextZoom};
pub use self::box_::{AnimationIterationCount, AnimationName, Contain, Display};
@ -201,7 +201,14 @@ impl Number {
}
}
/// Returns whether this number came from a `calc()` expression.
#[inline]
pub fn was_calc(&self) -> bool {
self.calc_clamping_mode.is_some()
}
/// Returns the numeric value, clamped if needed.
#[inline]
pub fn get(&self) -> f32 {
self.calc_clamping_mode
.map_or(self.value, |mode| mode.clamp(self.value))

8
etc/ci/buildbot_steps.yml
View file

@ -22,7 +22,6 @@ mac-rel-wpt2:
- env PKG_CONFIG_PATH=/usr/local/opt/zlib/lib/pkgconfig ./mach build --release
- ./mach test-wpt --release --processes 4 --total-chunks 6 --this-chunk 2 --log-raw test-wpt.log --log-errorsummary wpt-errorsummary.log --always-succeed
- ./mach filter-intermittents wpt-errorsummary.log --log-intermittents intermittents.log --log-filteredsummary filtered-wpt-errorsummary.log --tracker-api default --reporter-api default
- env PKG_CONFIG_PATH=/usr/local/opt/zlib/lib/pkgconfig ./mach build-geckolib --release
mac-rel-wpt3:
- ./mach clean-nightlies --keep 3 --force
@ -47,7 +46,6 @@ mac-dev-unit:
- env PKG_CONFIG_PATH=/usr/local/opt/zlib/lib/pkgconfig ./mach test-unit
- python ./etc/memory_reports_over_time.py --test
- ./mach package --dev
- ./mach build-geckolib
- bash ./etc/ci/lockfile_changed.sh
- bash ./etc/ci/manifest_changed.sh
@ -113,8 +111,6 @@ linux-dev:
- python ./etc/memory_reports_over_time.py --test
- ./mach package --dev
- ./mach build --dev --no-default-features --features default-except-unstable
- ./mach build-geckolib
- ./mach test-stylo
- bash ./etc/ci/lockfile_changed.sh
- bash ./etc/ci/manifest_changed.sh
- bash ./etc/ci/check_no_panic.sh
@ -145,8 +141,6 @@ linux-rel-css:
- ./mach build --release --with-debug-assertions
- ./mach test-wpt --release --processes 24 --total-chunks 2 --this-chunk 2 --log-raw test-wpt.log --log-errorsummary wpt-errorsummary.log --always-succeed
- ./mach filter-intermittents wpt-errorsummary.log --log-intermittents intermittents.log --log-filteredsummary filtered-wpt-errorsummary.log --tracker-api default --reporter-api default
- ./mach build-geckolib --release
- ./mach test-stylo --release
- bash ./etc/ci/lockfile_changed.sh
- bash ./etc/ci/manifest_changed.sh
- ./etc/ci/clean_build_artifacts.sh
@ -201,8 +195,6 @@ windows-msvc-dev:
- mach.bat build --dev
- mach.bat test-unit
- mach.bat package --dev
- mach.bat build-geckolib
- mach.bat test-stylo
windows-msvc-nightly:
env:

2
etc/ci/taskcluster-test.sh
View file

@ -15,8 +15,6 @@ env CC=gcc-5 CXX=g++-5 ./mach build --dev
env ./mach test-unit
env ./mach package --dev
env ./mach build --dev --no-default-features --features default-except-unstable
./mach build-geckolib
./mach test-stylo
bash ./etc/ci/lockfile_changed.sh
bash ./etc/ci/manifest_changed.sh
bash ./etc/ci/check_no_panic.sh

5
etc/ci/upload_docs.sh
View file

@ -23,11 +23,6 @@ env CC=gcc-5 CXX=g++-5 ./mach doc
# when it encounters directories.
cp -r etc/doc.servo.org/* target/doc/
./mach cargo-geckolib doc
# Use recursive copy here to avoid `cp` returning an error code
# when it encounters directories.
cp -r target/geckolib/doc/* target/doc/geckolib/
python components/style/properties/build.py servo html regular
cd components/script

119
ports/geckolib/glue.rs
View file

@ -6,6 +6,7 @@ use cssparser::{ParseErrorKind, Parser, ParserInput, SourceLocation};
use cssparser::ToCss as ParserToCss;
use env_logger::Builder;
use malloc_size_of::MallocSizeOfOps;
use nsstring::nsCString;
use selectors::{NthIndexCache, SelectorList};
use selectors::matching::{MatchingContext, MatchingMode, matches_selector};
use servo_arc::{Arc, ArcBorrow, RawOffsetArc};
@ -92,7 +93,8 @@ use style::gecko_bindings::structs;
use style::gecko_bindings::structs::{CallerType, CSSPseudoElementType, CompositeOperation};
use style::gecko_bindings::structs::{Loader, LoaderReusableStyleSheets};
use style::gecko_bindings::structs::{RawServoStyleRule, ComputedStyleStrong, RustString};
use style::gecko_bindings::structs::{ServoStyleSheet, SheetLoadData, SheetParsingMode, nsAtom, nsCSSPropertyID};
use style::gecko_bindings::structs::{ServoStyleSheet, SheetLoadData, SheetLoadDataHolder};
use style::gecko_bindings::structs::{SheetParsingMode, nsAtom, nsCSSPropertyID};
use style::gecko_bindings::structs::{nsCSSFontDesc, nsCSSCounterDesc};
use style::gecko_bindings::structs::{nsRestyleHint, nsChangeHint, PropertyValuePair};
use style::gecko_bindings::structs::AtomArray;
@ -145,6 +147,7 @@ use style::stylesheets::{DocumentRule, FontFaceRule, FontFeatureValuesRule, Impo
use style::stylesheets::{KeyframesRule, MediaRule, NamespaceRule, Origin, OriginSet, PageRule};
use style::stylesheets::{StyleRule, StylesheetContents, SupportsRule};
use style::stylesheets::StylesheetLoader as StyleStylesheetLoader;
use style::stylesheets::import_rule::ImportSheet;
use style::stylesheets::keyframes_rule::{Keyframe, KeyframeSelector, KeyframesStepValue};
use style::stylesheets::supports_rule::parse_condition_or_declaration;
use style::stylist::{add_size_of_ua_cache, AuthorStylesEnabled, RuleInclusion, Stylist};
@ -163,7 +166,7 @@ use style::values::specified::gecko::{IntersectionObserverRootMargin, PixelOrPer
use style::values::specified::source_size_list::SourceSizeList;
use style_traits::{CssWriter, ParsingMode, StyleParseErrorKind, ToCss};
use super::error_reporter::ErrorReporter;
use super::stylesheet_loader::StylesheetLoader;
use super::stylesheet_loader::{AsyncStylesheetParser, StylesheetLoader};
/*
* For Gecko->Servo function calls, we need to redeclare the same signature that was declared in
@ -1122,6 +1125,15 @@ pub extern "C" fn Servo_StyleSheet_Empty(mode: SheetParsingMode) -> RawServoStyl
).into_strong()
}
fn mode_to_origin(mode: SheetParsingMode) -> Origin {
match mode {
SheetParsingMode::eAuthorSheetFeatures => Origin::Author,
SheetParsingMode::eUserSheetFeatures => Origin::User,
SheetParsingMode::eAgentSheetFeatures => Origin::UserAgent,
SheetParsingMode::eSafeAgentSheetFeatures => Origin::UserAgent,
}
}
/// Note: The load_data corresponds to this sheet, and is passed as the parent
/// load data for child sheet loads. It may be null for certain cases where we
/// know we won't have child loads.
@ -1130,8 +1142,7 @@ pub extern "C" fn Servo_StyleSheet_FromUTF8Bytes(
loader: *mut Loader,
stylesheet: *mut ServoStyleSheet,
load_data: *mut SheetLoadData,
data: *const u8,
data_len: usize,
bytes: *const nsACString,
mode: SheetParsingMode,
extra_data: *mut URLExtraData,
line_number_offset: u32,
@ -1139,14 +1150,7 @@ pub extern "C" fn Servo_StyleSheet_FromUTF8Bytes(
reusable_sheets: *mut LoaderReusableStyleSheets,
) -> RawServoStyleSheetContentsStrong {
let global_style_data = &*GLOBAL_STYLE_DATA;
let input = unsafe { ::std::str::from_utf8_unchecked(::std::slice::from_raw_parts(data, data_len)) };
let origin = match mode {
SheetParsingMode::eAuthorSheetFeatures => Origin::Author,
SheetParsingMode::eUserSheetFeatures => Origin::User,
SheetParsingMode::eAgentSheetFeatures => Origin::UserAgent,
SheetParsingMode::eSafeAgentSheetFeatures => Origin::UserAgent,
};
let input: &str = unsafe { (*bytes).as_str_unchecked() };
let reporter = ErrorReporter::new(stylesheet, loader, extra_data);
let url_data = unsafe { RefPtr::from_ptr_ref(&extra_data) };
@ -1164,12 +1168,44 @@ pub extern "C" fn Servo_StyleSheet_FromUTF8Bytes(
Arc::new(StylesheetContents::from_str(
input, url_data.clone(), origin,
input, url_data.clone(), mode_to_origin(mode),
&global_style_data.shared_lock, loader, &reporter,
quirks_mode.into(), line_number_offset)
).into_strong()
}
#[no_mangle]
pub extern "C" fn Servo_StyleSheet_FromUTF8BytesAsync(
load_data: *mut SheetLoadDataHolder,
extra_data: *mut URLExtraData,
bytes: *const nsACString,
mode: SheetParsingMode,
line_number_offset: u32,
quirks_mode: nsCompatibility,
) {
let (load_data, extra_data, bytes) = unsafe {
let mut b = nsCString::new();
b.assign(&*bytes);
(RefPtr::new(load_data), RefPtr::new(extra_data), b)
};
let async_parser = AsyncStylesheetParser::new(
load_data,
extra_data,
bytes,
mode_to_origin(mode),
quirks_mode.into(),
line_number_offset
);
if let Some(thread_pool) = STYLE_THREAD_POOL.style_thread_pool.as_ref() {
thread_pool.spawn(|| {
async_parser.parse();
});
} else {
async_parser.parse();
}
}
#[no_mangle]
pub extern "C" fn Servo_StyleSet_AppendStyleSheet(
raw_data: RawServoStyleSetBorrowed,
@ -2052,6 +2088,17 @@ pub extern "C" fn Servo_ImportRule_GetSheet(
})
}
#[no_mangle]
pub extern "C" fn Servo_ImportRule_SetSheet(
rule: RawServoImportRuleBorrowed,
sheet: *mut ServoStyleSheet,
) {
write_locked_arc(rule, |rule: &mut ImportRule| {
let sheet = unsafe { GeckoStyleSheet::new(sheet) };
rule.stylesheet = ImportSheet::new(sheet);
})
}
#[no_mangle]
pub extern "C" fn Servo_Keyframe_GetKeyText(
keyframe: RawServoKeyframeBorrowed,
@ -2709,7 +2756,7 @@ pub unsafe extern "C" fn Servo_ComputedValues_GetForAnonymousBox(
let level = match origin {
Origin::UserAgent => CascadeLevel::UANormal,
Origin::User => CascadeLevel::UserNormal,
Origin::Author => CascadeLevel::AuthorNormal,
Origin::Author => CascadeLevel::SameTreeAuthorNormal,
};
for rule in data.pages.iter() {
declarations.push(ApplicableDeclarationBlock::from_declarations(
@ -3753,6 +3800,7 @@ pub extern "C" fn Servo_DeclarationBlock_SetKeywordValue(
) {
use style::properties::{PropertyDeclaration, LonghandId};
use style::properties::longhands;
use style::values::generics::font::FontStyle;
use style::values::specified::BorderStyle;
let long = get_longhand_from_id!(property);
@ -3773,7 +3821,14 @@ pub extern "C" fn Servo_DeclarationBlock_SetKeywordValue(
longhands::font_size::SpecifiedValue::from_html_size(value as u8)
},
FontStyle => {
ToComputedValue::from_computed_value(&longhands::font_style::computed_value::T::from_gecko_keyword(value))
let val = if value == structs::NS_FONT_STYLE_ITALIC {
FontStyle::Italic
} else {
debug_assert_eq!(value, structs::NS_FONT_STYLE_NORMAL);
FontStyle::Normal
};
ToComputedValue::from_computed_value(&val)
},
FontWeight => longhands::font_weight::SpecifiedValue::from_gecko_keyword(value),
ListStyleType => Box::new(longhands::list_style_type::SpecifiedValue::from_gecko_keyword(value)),
@ -5360,9 +5415,9 @@ pub extern "C" fn Servo_ParseFontShorthandForMatching(
stretch: nsCSSValueBorrowedMut,
weight: nsCSSValueBorrowedMut
) -> bool {
use style::properties::longhands::{font_stretch, font_style};
use style::properties::shorthands::font;
use style::values::specified::font::{FontFamily, FontWeight};
use style::values::generics::font::FontStyle as GenericFontStyle;
use style::values::specified::font::{FontFamily, FontWeight, FontStyle, SpecifiedFontStyle};
let string = unsafe { (*value).to_string() };
let mut input = ParserInput::new(&string);
@ -5387,18 +5442,26 @@ pub extern "C" fn Servo_ParseFontShorthandForMatching(
FontFamily::Values(list) => family.set_move(list.0),
FontFamily::System(_) => return false,
}
style.set_from(match font.font_style {
font_style::SpecifiedValue::Keyword(ref kw) => kw,
font_style::SpecifiedValue::System(_) => return false,
});
stretch.set_from(match font.font_stretch {
font_stretch::SpecifiedValue::Keyword(ref kw) => kw,
font_stretch::SpecifiedValue::System(_) => return false,
});
let specified_font_style = match font.font_style {
FontStyle::Specified(ref s) => s,
FontStyle::System(_) => return false,
};
match *specified_font_style {
GenericFontStyle::Normal => style.set_normal(),
GenericFontStyle::Italic => style.set_enum(structs::NS_FONT_STYLE_ITALIC as i32),
GenericFontStyle::Oblique(ref angle) => {
style.set_font_style(SpecifiedFontStyle::compute_angle(angle).degrees())
}
}
if font.font_stretch.get_system().is_some() {
return false;
}
stretch.set_from(&font.font_stretch);
match font.font_weight {
FontWeight::Weight(w) => weight.set_from(w),
FontWeight::Normal => weight.set_enum(structs::NS_FONT_WEIGHT_NORMAL as i32),
FontWeight::Bold => weight.set_enum(structs::NS_FONT_WEIGHT_BOLD as i32),
FontWeight::Absolute(w) => weight.set_font_weight(w.compute().0),
// Resolve relative font weights against the initial of font-weight
// (normal, which is equivalent to 400).
FontWeight::Bolder => weight.set_enum(structs::NS_FONT_WEIGHT_BOLD as i32),

1
ports/geckolib/lib.rs
View file

@ -9,6 +9,7 @@ extern crate env_logger;
extern crate libc;
#[macro_use] extern crate log;
extern crate malloc_size_of;
extern crate nsstring;
extern crate selectors;
extern crate servo_arc;
extern crate smallvec;

91
ports/geckolib/stylesheet_loader.rs
View file

@ -3,15 +3,24 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use cssparser::SourceLocation;
use nsstring::nsCString;
use servo_arc::Arc;
use style::context::QuirksMode;
use style::error_reporting::NullReporter;
use style::gecko::data::GeckoStyleSheet;
use style::gecko::global_style_data::GLOBAL_STYLE_DATA;
use style::gecko_bindings::bindings;
use style::gecko_bindings::bindings::Gecko_LoadStyleSheet;
use style::gecko_bindings::structs::{Loader, ServoStyleSheet, SheetLoadData, LoaderReusableStyleSheets};
use style::gecko_bindings::structs::{Loader, LoaderReusableStyleSheets};
use style::gecko_bindings::structs::{ServoStyleSheet, SheetLoadData, SheetLoadDataHolder};
use style::gecko_bindings::structs::URLExtraData;
use style::gecko_bindings::sugar::ownership::FFIArcHelpers;
use style::gecko_bindings::sugar::refptr::RefPtr;
use style::media_queries::MediaList;
use style::parser::ParserContext;
use style::shared_lock::{Locked, SharedRwLock};
use style::stylesheets::{ImportRule, StylesheetLoader as StyleStylesheetLoader};
use style::stylesheets::{ImportRule, Origin, StylesheetLoader as StyleStylesheetLoader};
use style::stylesheets::StylesheetContents;
use style::stylesheets::import_rule::ImportSheet;
use style::values::CssUrl;
@ -41,15 +50,11 @@ impl StyleStylesheetLoader for StylesheetLoader {
// so this raw pointer will still be valid.
let child_sheet = unsafe {
let (spec_bytes, spec_len) = url.as_slice_components();
let base_url_data = url.extra_data.get();
Gecko_LoadStyleSheet(self.0,
self.1,
self.2,
self.3,
base_url_data,
spec_bytes,
spec_len as u32,
url.for_ffi(),
media.into_strong())
};
@ -60,3 +65,75 @@ impl StyleStylesheetLoader for StylesheetLoader {
Arc::new(lock.wrap(ImportRule { url, source_location, stylesheet }))
}
}
pub struct AsyncStylesheetParser {
load_data: RefPtr<SheetLoadDataHolder>,
extra_data: RefPtr<URLExtraData>,
bytes: nsCString,
origin: Origin,
quirks_mode: QuirksMode,
line_number_offset: u32,
}
impl AsyncStylesheetParser {
pub fn new(
load_data: RefPtr<SheetLoadDataHolder>,
extra_data: RefPtr<URLExtraData>,
bytes: nsCString,
origin: Origin,
quirks_mode: QuirksMode,
line_number_offset: u32,
) -> Self {
AsyncStylesheetParser {
load_data,
extra_data,
bytes,
origin,
quirks_mode,
line_number_offset,
}
}
pub fn parse(self) {
let global_style_data = &*GLOBAL_STYLE_DATA;
let input: &str = unsafe { (*self.bytes).as_str_unchecked() };
// Note: Parallel CSS parsing doesn't report CSS errors. When errors
// are being logged, Gecko prevents the parallel parsing path from
// running.
let sheet = Arc::new(StylesheetContents::from_str(
input, self.extra_data.clone(), self.origin,
&global_style_data.shared_lock, Some(&self), &NullReporter,
self.quirks_mode.into(), self.line_number_offset)
);
unsafe {
bindings::Gecko_StyleSheet_FinishAsyncParse(self.load_data.get(), sheet.into_strong());
}
}
}
impl StyleStylesheetLoader for AsyncStylesheetParser {
fn request_stylesheet(
&self,
url: CssUrl,
source_location: SourceLocation,
_context: &ParserContext,
lock: &SharedRwLock,
media: Arc<Locked<MediaList>>,
) -> Arc<Locked<ImportRule>> {
let stylesheet = ImportSheet::new_pending(self.origin, self.quirks_mode);
let rule = Arc::new(lock.wrap(ImportRule { url: url.clone(), source_location, stylesheet }));
unsafe {
bindings::Gecko_LoadStyleSheetAsync(
self.load_data.get(),
url.for_ffi(),
media.into_strong(),
rule.clone().into_strong()
);
}
rule
}
}

8
ports/geckolib/tests/build.rs
View file

@ -11,8 +11,11 @@ use std::io::{BufRead, BufReader, Write};
use std::path::Path;
fn main() {
// https://github.com/rust-lang/cargo/issues/3544
let style_out_dir = env::var_os("DEP_FOR SOME REASON THE LINKS KEY IS REQUIRED \
TO PASS DATA AROUND BETWEEN BUILD SCRIPTS_OUT_DIR").unwrap();
let root_path = Path::new("../../../");
let bindings_file = root_path.join("components/style/gecko/generated/bindings.rs");
let bindings_file = Path::new(&style_out_dir).join("gecko/bindings.rs");
let glue_file = root_path.join("ports/geckolib/glue.rs");
println!("cargo:rerun-if-changed=build.rs");
@ -70,9 +73,6 @@ fn main() {
}
}
// https://github.com/rust-lang/cargo/issues/3544
let style_out_dir = env::var_os("DEP_FOR SOME REASON THE LINKS KEY IS REQUIRED \
TO PASS DATA AROUND BETWEEN BUILD SCRIPTS_OUT_DIR").unwrap();
File::create(out_dir.join("bindings.rs"))
.unwrap()
.write_all(format!("include!(concat!({:?}, \"/gecko/structs.rs\"));",

17
tests/unit/style/parsing/font.rs
View file

@ -1,17 +0,0 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use parsing::parse;
use style::properties::longhands::font_weight;
#[test]
fn font_weight_keyword_should_preserve_keyword() {
use style::properties::longhands::font_weight::SpecifiedValue;
let result = parse(font_weight::parse, "normal").unwrap();
assert_eq!(result, SpecifiedValue::Normal);
let result = parse(font_weight::parse, "bold").unwrap();
assert_eq!(result, SpecifiedValue::Bold);
}

1
tests/unit/style/parsing/mod.rs
View file

@ -109,7 +109,6 @@ mod border;
mod box_;
mod column;
mod effects;
mod font;
mod image;
mod inherited_text;
mod length;

44
tests/wpt/metadata/css/css-fonts/variations/font-parse-numeric-stretch-style-weight.html.ini
View file

@ -1,36 +1,4 @@
[font-parse-numeric-stretch-style-weight.html]
[Valid value 850 for font property weight used for styling.]
expected: FAIL
[Valid value 850.3 for font property weight used for styling.]
expected: FAIL
[Valid value calc(100 + 300) for font property weight used for styling.]
expected: FAIL
[Valid value calc(0.2 + 205.5) for font property weight used for styling.]
expected: FAIL
[Valid value 51% for font property stretch used for styling.]
expected: FAIL
[Valid value 199% for font property stretch used for styling.]
expected: FAIL
[Valid value calc(10% + 20%) for font property stretch used for styling.]
expected: FAIL
[Valid value oblique 50deg for font property style used for styling.]
expected: FAIL
[Valid value oblique -90deg for font property style used for styling.]
expected: FAIL
[Valid value oblique 90deg for font property style used for styling.]
expected: FAIL
[Valid value oblique calc(30deg + 20deg) for font property style used for styling.]
expected: FAIL
[Valid value 100 matches 100 for weight in @font-face.]
expected: FAIL
@ -188,18 +156,6 @@
[Value italic 90deg must not be accepted as style in @font-face.]
expected: FAIL
[Valid value calc(0 - 100) for font property weight used for styling.]
expected: FAIL
[Valid value calc(200 + 801) for font property weight used for styling.]
expected: FAIL
[Valid value 0% for font property stretch used for styling.]
expected: FAIL
[Valid value oblique calc(90deg + 20deg) for font property style used for styling.]
expected: FAIL
[Valid value 500 400 matches 500 400 for weight in @font-face.]
expected: FAIL

46
tests/wpt/metadata/css/css-fonts/variations/font-shorthand.html.ini
View file

@ -1,46 +0,0 @@
[font-shorthand.html]
[Font shorthand: Font weight specified as number]
expected: FAIL
[Font shorthand: Font weight specified as calc()]
expected: FAIL
[Font shorthand: Font weight specified as calc(), value smaller than 1]
expected: FAIL
[Font shorthand: Font weight specified as calc(), value greater than 1000]
expected: FAIL
[Font shorthand: 'oblique' with positive angle]
expected: FAIL
[Font shorthand: 'oblique' with negative angle]
expected: FAIL
[Font shorthand: 'oblique' followed by valid small weight]
expected: FAIL
[Font shorthand: 'oblique' with positive angle followed by valid weight]
expected: FAIL
[Font shorthand: 'oblique' with negative angle followed by valid weight]
expected: FAIL
[Font shorthand: 'oblique' followed by valid calc() weight]
expected: FAIL
[Font shorthand: 'oblique' with angle followed by valid calc() weight]
expected: FAIL
[Font shorthand: 'oblique' followed by a to-be-clamped calc() weight]
expected: FAIL
[Font shorthand: calc() weight folowed by 'oblique']
expected: FAIL
[Font shorthand: calc() weight folowed by 'oblique' and slant angle]
expected: FAIL
[Font shorthand: To-be-clamped calc() weight folowed by 'oblique' and slant angle]
expected: FAIL

92
tests/wpt/metadata/css/css-fonts/variations/font-stretch.html.ini
View file

@ -1,97 +1,5 @@
[font-stretch.html]
[@supports: 0% - zero is legal]
expected: FAIL
[@getComputedStyle: 0% - zero is legal]
expected: FAIL
[@supports: 1% - legal percentage]
expected: FAIL
[@getComputedStyle: 1% - legal percentage]
expected: FAIL
[@supports: 10% - legal percentage]
expected: FAIL
[@getComputedStyle: 10% - legal percentage]
expected: FAIL
[@supports: 100% - legal percentage]
expected: FAIL
[@getComputedStyle: 100% - legal percentage]
expected: FAIL
[@supports: 1000% - legal percentage]
expected: FAIL
[@getComputedStyle: 1000% - legal percentage]
expected: FAIL
[@supports: 1e9% - huge legal percentage]
expected: FAIL
[@getComputedStyle: 1e9% - huge legal percentage]
expected: FAIL
[@getComputedStyle: ultra-condensed - legal enum]
expected: FAIL
[@getComputedStyle: extra-condensed - legal enum]
expected: FAIL
[@getComputedStyle: condensed - legal enum]
expected: FAIL
[@getComputedStyle: semi-condensed - legal enum]
expected: FAIL
[@getComputedStyle: normal - legal enum]
expected: FAIL
[@getComputedStyle: semi-expanded - legal enum]
expected: FAIL
[@getComputedStyle: expanded - legal enum]
expected: FAIL
[@getComputedStyle: extra-expanded - legal enum]
expected: FAIL
[@getComputedStyle: ultra-expanded - legal enum]
expected: FAIL
[@supports: calc(200.5%) - Simple calc value]
expected: FAIL
[@getComputedStyle: calc(200.5%) - Simple calc value]
expected: FAIL
[@supports: calc(50%*2 - 20%) - Valid calc expression]
expected: FAIL
[@getComputedStyle: calc(50%*2 - 20%) - Valid calc expression]
expected: FAIL
[@supports: calc(-100%) - Negative calc value (to be clamped)]
expected: FAIL
[@getComputedStyle: calc(-100%) - Negative calc value (to be clamped)]
expected: FAIL
[@supports: calc(50% - 50%*2) - Negative calc expression (to be clamped)]
expected: FAIL
[@getComputedStyle: calc(50% - 50%*2) - Negative calc expression (to be clamped)]
expected: FAIL
[Test font-stretch for overridden number condensed]
expected: FAIL
[Test font-stretch for overridden enum name resolved to number condensed]
expected: FAIL
[Test font-stretch for inherited named enum resolved to number condensed]
expected: FAIL

3
tests/wpt/metadata/css/css-fonts/variations/font-style-interpolation.html.ini
View file

@ -3,6 +3,3 @@
[font-style animation]
expected: TIMEOUT
[font-style transition]
expected: FAIL

43
tests/wpt/metadata/css/css-fonts/variations/font-style-parsing.html.ini
View file

@ -1,43 +0,0 @@
[font-style-parsing.html]
[Font-style: 'oblique' followed by zero degrees is valid]
expected: FAIL
[Font-style: 'oblique' followed by positive angle in degrees is valid]
expected: FAIL
[Font-style: 'oblique' followed by positive angle in radians is valid]
expected: FAIL
[Font-style: 'oblique' followed by positive angle in gradians is valid]
expected: FAIL
[Font-style: 'oblique' followed by positive angle in turns is valid]
expected: FAIL
[Font-style: 'oblique' followed by negative angle is valid]
expected: FAIL
[Font-style: 'oblique' followed by fractional angle is valid]
expected: FAIL
[Font-style: 'oblique' followed by maxumum 90 degree angle is valid]
expected: FAIL
[Font-style: 'oblique' followed by minimum -90 degree angle is valid]
expected: FAIL
[Font-style: 'oblique' followed by positive angle is valid]
expected: FAIL
[Font-style: 'oblique' followed by calc is valid]
expected: FAIL
[Font-style: 'oblique' followed by calc is valid even if it must be clamped (no computation)]
expected: FAIL
[Font-style: 'oblique' followed by calc is valid even if it must be clamped (with computation)]
expected: FAIL
[Font-style: 'oblique' followed by calc is valid even if it mixes units (with computation)]
expected: FAIL

40
tests/wpt/metadata/css/css-fonts/variations/font-weight-lighter-bolder.html.ini
View file

@ -1,40 +0,0 @@
[font-weight-lighter-bolder.html]
[Test lighter font-weight for base weight 99]
expected: FAIL
[Test bolder font-weight for base weight 99]
expected: FAIL
[Test bolder font-weight for base weight 349]
expected: FAIL
[Test lighter font-weight for base weight 550]
expected: FAIL
[Test bolder font-weight for base weight 550]
expected: FAIL
[Test lighter font-weight for base weight 749]
expected: FAIL
[Test bolder font-weight for base weight 749]
expected: FAIL
[Test lighter font-weight for base weight 750]
expected: FAIL
[Test bolder font-weight for base weight 750]
expected: FAIL
[Test lighter font-weight for base weight 899]
expected: FAIL
[Test bolder font-weight for base weight 899]
expected: FAIL
[Test lighter font-weight for base weight 901]
expected: FAIL
[Test bolder font-weight for base weight 901]
expected: FAIL

55
tests/wpt/metadata/css/css-fonts/variations/font-weight-parsing.html.ini
View file

@ -1,55 +0,0 @@
[font-weight-parsing.html]
[@supports: Values that are not multiple of 100 should be parsed successfully]
expected: FAIL
[@supports: Non-integer Values should be parsed successfully]
expected: FAIL
[@supports: Minimum allowed value should be parsed successfully]
expected: FAIL
[@supports: Maximum allowed value should be parsed successfully]
expected: FAIL
[@supports: Simple calc value]
expected: FAIL
[@supports: Negative simple calc value (to be clamped)]
expected: FAIL
[@supports: Out-of-range simple calc value (to be clamped)]
expected: FAIL
[@supports: Valid calc expression]
expected: FAIL
[@supports: Valid calc expression with out-of-range value (to be clamped)]
expected: FAIL
[Computed style: Values that are not multiple of 100 should be parsed successfully]
expected: FAIL
[Computed style: Non-integer Values should be parsed successfully]
expected: FAIL
[Computed style: Minimum allowed value should be parsed successfully]
expected: FAIL
[Computed style: Maximum allowed value should be parsed successfully]
expected: FAIL
[Computed style: Simple calc value]
expected: FAIL
[Computed style: Negative simple calc value (to be clamped)]
expected: FAIL
[Computed style: Out-of-range simple calc value (to be clamped)]
expected: FAIL
[Computed style: Valid calc expression]
expected: FAIL
[Computed style: Valid calc expression with out-of-range value (to be clamped)]
expected: FAIL

3
tests/wpt/metadata/css/css-variables/variable-presentation-attribute.html.ini
View file

@ -50,6 +50,9 @@
[Testing 'font-size-adjust'.]
expected: FAIL
[Testing 'font-stretch'.]
expected: FAIL
[Testing 'glyph-orientation-horizontal'.]
expected: FAIL