Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-10-27 20:25:44 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

servo: Merge #11972 - Staticize CASCADE_PROPERTIES, (temporarily) fix stylo path for animations, and introduce the long-term path to follow (from emilio:style-thingies); r=bholley

Browse Source 
<!-- Please describe your changes on the following line: -->

---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors

<!-- Either: -->
- [x] These changes do not require tests because refactoring + geckolib

<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->

@bholley: I was going to do this "the good way", but that involves quite a few properties, so I thought I'd rather unlock stylo before :)

r? @bholley

Source-Repo: https://github.com/servo/servo
Source-Revision: a77cc9950fb13ccd674a10e46c2327bfa0735dab
This commit is contained in:
Emilio Cobos Álvarez 2016-07-02 13:27:25 -07:00
parent 087b8cb559
commit a30280736f
9 changed files with 452 additions and 226 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
servo/components/style/animation.rs
View File

@ -253,10 +253,10 @@ impl PropertyAnimation {
new_style: &mut C)
-> Vec<PropertyAnimation> {
let mut result = vec![];
let box_style = new_style.as_servo().get_box();
let transition_property = box_style.transition_property.0[transition_index];
let timing_function = *box_style.transition_timing_function.0.get_mod(transition_index);
let duration = *box_style.transition_duration.0.get_mod(transition_index);
let box_style = new_style.get_box();
let transition_property = box_style.transition_property_at(transition_index);
let timing_function = box_style.transition_timing_function_mod(transition_index);
let duration = box_style.transition_duration_mod(transition_index);
if transition_property != TransitionProperty::All {
@ -333,23 +333,6 @@ impl PropertyAnimation {
}
}
/// Accesses an element of an array, "wrapping around" using modular arithmetic. This is needed
/// to handle [repeatable lists][lists] of differing lengths.
///
/// [lists]: https://drafts.csswg.org/css-transitions/#animtype-repeatable-list
pub trait GetMod {
type Item;
fn get_mod(&self, i: usize) -> &Self::Item;
}
impl<T> GetMod for Vec<T> {
type Item = T;
#[inline]
fn get_mod(&self, i: usize) -> &T {
&(*self)[i % self.len()]
}
}
/// Inserts transitions into the queue of running animations as applicable for
/// the given style difference. This is called from the layout worker threads.
/// Returns true if any animations were kicked off and false otherwise.
@ -362,7 +345,7 @@ pub fn start_transitions_if_applicable<Impl: SelectorImplExt>(new_animations_sen
new_style: &mut Arc<Impl::ComputedValues>)
-> bool {
let mut had_animations = false;
for i in 0..new_style.get_box().transition_count() {
for i in 0..new_style.get_box().transition_property_count() {
// Create any property animations, if applicable.
let property_animations = PropertyAnimation::from_transition(i, old_style, Arc::make_mut(new_style));
for property_animation in property_animations {
@ -372,13 +355,13 @@ pub fn start_transitions_if_applicable<Impl: SelectorImplExt>(new_animations_sen
property_animation.update(Arc::get_mut(new_style).unwrap(), 0.0);
// Kick off the animation.
let box_style = new_style.get_box();
let now = time::precise_time_s();
let box_style = new_style.as_servo().get_box();
let start_time =
now + (box_style.transition_delay.0.get_mod(i).seconds() as f64);
now + (box_style.transition_delay_mod(i).seconds() as f64);
new_animations_sender
.send(Animation::Transition(node, start_time, AnimationFrame {
duration: box_style.transition_duration.0.get_mod(i).seconds() as f64,
duration: box_style.transition_duration_mod(i).seconds() as f64,
property_animation: property_animation,
}, /* is_expired = */ false)).unwrap();
@ -422,10 +405,10 @@ pub fn maybe_start_animations<Impl: SelectorImplExt>(context: &SharedStyleContex
{
let mut had_animations = false;
let box_style = new_style.as_servo().get_box();
for (i, name) in box_style.animation_name.0.iter().enumerate() {
let box_style = new_style.get_box();
for (i, name) in box_style.animation_name_iter().enumerate() {
debug!("maybe_start_animations: name={}", name);
let total_duration = box_style.animation_duration.0.get_mod(i).seconds();
let total_duration = box_style.animation_duration_mod(i).seconds();
if total_duration == 0. {
continue
}
@ -441,16 +424,16 @@ pub fn maybe_start_animations<Impl: SelectorImplExt>(context: &SharedStyleContex
continue;
}
let delay = box_style.animation_delay.0.get_mod(i).seconds();
let delay = box_style.animation_delay_mod(i).seconds();
let now = time::precise_time_s();
let animation_start = now + delay as f64;
let duration = box_style.animation_duration.0.get_mod(i).seconds();
let iteration_state = match *box_style.animation_iteration_count.0.get_mod(i) {
let duration = box_style.animation_duration_mod(i).seconds();
let iteration_state = match box_style.animation_iteration_count_mod(i) {
AnimationIterationCount::Infinite => KeyframesIterationState::Infinite,
AnimationIterationCount::Number(n) => KeyframesIterationState::Finite(0, n),
};
let animation_direction = *box_style.animation_direction.0.get_mod(i);
let animation_direction = box_style.animation_direction_mod(i);
let initial_direction = match animation_direction {
AnimationDirection::normal |
@ -459,7 +442,7 @@ pub fn maybe_start_animations<Impl: SelectorImplExt>(context: &SharedStyleContex
AnimationDirection::alternate_reverse => AnimationDirection::reverse,
};
let running_state = match *box_style.animation_play_state.0.get_mod(i) {
let running_state = match box_style.animation_play_state_mod(i) {
AnimationPlayState::paused => KeyframesRunningState::Paused(0.),
AnimationPlayState::running => KeyframesRunningState::Running,
};
@ -550,9 +533,9 @@ where Impl: SelectorImplExt,
debug_assert!(!animation.steps.is_empty());
let maybe_index = style.as_servo()
.get_box().animation_name.0.iter()
.position(|animation_name| name == animation_name);
let maybe_index = style.get_box()
.animation_name_iter()
.position(|animation_name| *name == animation_name);
let index = match maybe_index {
Some(index) => index,
@ -562,7 +545,7 @@ where Impl: SelectorImplExt,
}
};
let total_duration = style.as_servo().get_box().animation_duration.0.get_mod(index).seconds() as f64;
let total_duration = style.get_box().animation_duration_mod(index).seconds() as f64;
if total_duration == 0. {
debug!("update_style_for_animation: zero duration for animation {:?}", name);
return;
@ -642,9 +625,9 @@ where Impl: SelectorImplExt,
// NB: The spec says that the timing function can be overwritten
// from the keyframe style.
let mut timing_function = *style.as_servo().get_box().animation_timing_function.0.get_mod(index);
if !from_style.as_servo().get_box().animation_timing_function.0.is_empty() {
timing_function = from_style.as_servo().get_box().animation_timing_function.0[0];
let mut timing_function = style.get_box().animation_timing_function_mod(index);
if from_style.get_box().animation_timing_function_count() != 0 {
timing_function = from_style.get_box().animation_timing_function_at(0);
}
let target_style = compute_style_for_animation_step(context,

10
servo/components/style/properties/data.py
View File

@ -47,7 +47,7 @@ class Keyword(object):
class Longhand(object):
def __init__(self, style_struct, name, animatable=None, derived_from=None, keyword=None,
predefined_type=None, custom_cascade=False, experimental=False, internal=False,
need_clone=False, gecko_ffi_name=None):
need_clone=False, need_index=False, gecko_ffi_name=None):
self.name = name
self.keyword = keyword
self.predefined_type = predefined_type
@ -57,7 +57,7 @@ class Longhand(object):
self.experimental = ("layout.%s.enabled" % name) if experimental else None
self.custom_cascade = custom_cascade
self.internal = internal
self.need_clone = need_clone
self.need_index = need_index
self.gecko_ffi_name = gecko_ffi_name or "m" + self.camel_case
self.derived_from = (derived_from or "").split()
@ -71,6 +71,12 @@ class Longhand(object):
assert animatable == "True" or animatable == "False"
self.animatable = animatable == "True"
# NB: Animatable implies clone because a property animation requires a
# copy of the computed value.
#
# See components/style/helpers/animated_properties.mako.rs.
self.need_clone = need_clone or self.animatable
class Shorthand(object):
def __init__(self, name, sub_properties, experimental=False, internal=False):

2
servo/components/style/properties/helpers.mako.rs
View File

@ -225,6 +225,8 @@
}
}
pub use self::${to_camel_case(name)} as SingleComputedValue;
define_css_keyword_enum! { ${to_camel_case(name)}:
% for value in data.longhands_by_name[name].keyword.values_for(product):
"${value}" => ${to_rust_ident(value)},

9
servo/components/style/properties/helpers/animated_properties.mako.rs
View File

@ -127,22 +127,17 @@ impl AnimatedProperty {
}
}
// NB: Transition properties need clone
pub fn from_transition_property<C: ComputedValues>(transition_property: &TransitionProperty,
old_style: &C,
new_style: &C) -> AnimatedProperty {
// TODO: Generalise this for GeckoLib, adding clone_xxx to the
// appropiate longhands.
let old_style = old_style.as_servo();
let new_style = new_style.as_servo();
match *transition_property {
TransitionProperty::All => panic!("Can't use TransitionProperty::All here."),
% for prop in data.longhands:
% if prop.animatable:
TransitionProperty::${prop.camel_case} => {
AnimatedProperty::${prop.camel_case}(
old_style.get_${prop.style_struct.ident.strip("_")}().${prop.ident}.clone(),
new_style.get_${prop.style_struct.ident.strip("_")}().${prop.ident}.clone())
old_style.get_${prop.style_struct.ident.strip("_")}().clone_${prop.ident}(),
new_style.get_${prop.style_struct.ident.strip("_")}().clone_${prop.ident}())
}
% endif
% endfor

46
servo/components/style/properties/longhand/box.mako.rs
View File

@ -7,8 +7,7 @@
<% data.new_style_struct("Box",
inherited=False,
gecko_name="Display",
additional_methods=[Method("transition_count", "usize")]) %>
gecko_name="Display") %>
// TODO(SimonSapin): don't parse `inline-table`, since we don't support it
<%helpers:longhand name="display"
@ -285,7 +284,9 @@ ${helpers.single_keyword("overflow-x", "visible hidden scroll auto",
</%helpers:longhand>
// TODO(pcwalton): Multiple transitions.
<%helpers:longhand name="transition-duration" animatable="False">
<%helpers:longhand name="transition-duration"
need_index="True"
animatable="False">
use values::computed::ComputedValueAsSpecified;
use values::specified::Time;
@ -343,7 +344,9 @@ ${helpers.single_keyword("overflow-x", "visible hidden scroll auto",
// TODO(pcwalton): Lots more timing functions.
// TODO(pcwalton): Multiple transitions.
<%helpers:longhand name="transition-timing-function" animatable="False">
<%helpers:longhand name="transition-timing-function"
need_index="True"
animatable="False">
use self::computed_value::{StartEnd, TransitionTimingFunction};
use euclid::point::Point2D;
@ -541,7 +544,9 @@ ${helpers.single_keyword("overflow-x", "visible hidden scroll auto",
}
</%helpers:longhand>
<%helpers:longhand name="transition-property" animatable="False">
<%helpers:longhand name="transition-property"
need_index="True"
animatable="False">
pub use self::computed_value::SingleComputedValue as SingleSpecifiedValue;
pub use self::computed_value::T as SpecifiedValue;
@ -592,14 +597,18 @@ ${helpers.single_keyword("overflow-x", "visible hidden scroll auto",
}
</%helpers:longhand>
<%helpers:longhand name="transition-delay" animatable="False">
<%helpers:longhand name="transition-delay"
need_index="True"
animatable="False">
pub use properties::longhands::transition_duration::{SingleSpecifiedValue, SpecifiedValue};
pub use properties::longhands::transition_duration::{computed_value};
pub use properties::longhands::transition_duration::{get_initial_single_value};
pub use properties::longhands::transition_duration::{get_initial_value, parse, parse_one};
</%helpers:longhand>
<%helpers:longhand name="animation-name" animatable="False">
<%helpers:longhand name="animation-name"
need_index="True"
animatable="False">
use values::computed::ComputedValueAsSpecified;
pub mod computed_value {
@ -607,6 +616,8 @@ ${helpers.single_keyword("overflow-x", "visible hidden scroll auto",
use std::fmt;
use string_cache::Atom;
pub use string_cache::Atom as SingleComputedValue;
#[derive(Debug, Clone, PartialEq, HeapSizeOf)]
pub struct T(pub Vec<Atom>);
@ -645,25 +656,33 @@ ${helpers.single_keyword("overflow-x", "visible hidden scroll auto",
impl ComputedValueAsSpecified for SpecifiedValue {}
</%helpers:longhand>
<%helpers:longhand name="animation-duration" animatable="False">
<%helpers:longhand name="animation-duration"
need_index="True"
animatable="False">
pub use super::transition_duration::computed_value;
pub use super::transition_duration::{parse, get_initial_value};
pub use super::transition_duration::SpecifiedValue;
</%helpers:longhand>
<%helpers:longhand name="animation-timing-function" animatable="False">
<%helpers:longhand name="animation-timing-function"
need_index="True"
animatable="False">
pub use super::transition_timing_function::computed_value;
pub use super::transition_timing_function::{parse, get_initial_value};
pub use super::transition_timing_function::SpecifiedValue;
</%helpers:longhand>
<%helpers:longhand name="animation-iteration-count" animatable="False">
<%helpers:longhand name="animation-iteration-count"
need_index="True"
animatable="False">
use values::computed::ComputedValueAsSpecified;
pub mod computed_value {
use cssparser::ToCss;
use std::fmt;
pub use self::AnimationIterationCount as SingleComputedValue;
#[derive(Debug, Clone, PartialEq, HeapSizeOf)]
pub enum AnimationIterationCount {
Number(u32),
@ -728,18 +747,23 @@ ${helpers.single_keyword("overflow-x", "visible hidden scroll auto",
${helpers.keyword_list("animation-direction",
"normal reverse alternate alternate-reverse",
need_index=True,
animatable=False)}
${helpers.keyword_list("animation-play-state",
"running paused",
need_clone=True,
need_index=True,
animatable=False)}
${helpers.keyword_list("animation-fill-mode",
"none forwards backwards both",
need_index=True,
animatable=False)}
<%helpers:longhand name="animation-delay" animatable="False">
<%helpers:longhand name="animation-delay"
need_index="True"
animatable="False">
pub use super::transition_duration::computed_value;
pub use super::transition_duration::{parse, get_initial_value};
pub use super::transition_duration::SpecifiedValue;

186
servo/components/style/properties/properties.mako.rs
View File

@ -1082,12 +1082,61 @@ pub mod style_struct_traits {
#[allow(non_snake_case)]
fn clone_${longhand.ident}(&self) -> longhands::${longhand.ident}::computed_value::T;
% endif
% if longhand.need_index:
#[allow(non_snake_case)]
fn ${longhand.ident}_count(&self) -> usize;
#[allow(non_snake_case)]
fn ${longhand.ident}_at(&self, index: usize)
-> longhands::${longhand.ident}::computed_value::SingleComputedValue;
#[allow(non_snake_case)]
#[inline]
fn ${longhand.ident}_iter<'a>(&'a self)
-> ${longhand.camel_case}Iter<'a, Self> {
${longhand.camel_case}Iter {
style_struct: self,
current: 0,
max: self.${longhand.ident}_count(),
}
}
#[allow(non_snake_case)]
#[inline]
fn ${longhand.ident}_mod(&self, index: usize)
-> longhands::${longhand.ident}::computed_value::SingleComputedValue {
self.${longhand.ident}_at(index % self.${longhand.ident}_count())
}
% endif
% endfor
% for additional in style_struct.additional_methods:
#[allow(non_snake_case)]
${additional.declare()}
% endfor
}
% for longhand in style_struct.longhands:
% if longhand.need_index:
pub struct ${longhand.camel_case}Iter<'a, S: ${style_struct.trait_name} + 'static> {
style_struct: &'a S,
current: usize,
max: usize,
}
impl<'a, S: ${style_struct.trait_name} + 'static> Iterator for ${longhand.camel_case}Iter<'a, S> {
type Item = longhands::${longhand.ident}::computed_value::SingleComputedValue;
fn next(&mut self) -> Option<Self::Item> {
self.current += 1;
if self.current <= self.max {
Some(self.style_struct.${longhand.ident}_at(self.current - 1))
} else {
None
}
}
}
% endif
% endfor
% endfor
}
@ -1126,65 +1175,39 @@ pub mod style_structs {
impl super::style_struct_traits::${style_struct.trait_name} for ${style_struct.servo_struct_name} {
% for longhand in style_struct.longhands:
#[inline]
fn set_${longhand.ident}(&mut self, v: longhands::${longhand.ident}::computed_value::T) {
self.${longhand.ident} = v;
}
#[inline]
fn copy_${longhand.ident}_from(&mut self, other: &Self) {
self.${longhand.ident} = other.${longhand.ident}.clone();
}
% if longhand.need_clone:
#[inline]
fn clone_${longhand.ident}(&self) -> longhands::${longhand.ident}::computed_value::T {
self.${longhand.ident}.clone()
}
% endif
% if longhand.need_index:
fn ${longhand.ident}_count(&self) -> usize {
self.${longhand.ident}.0.len()
}
fn ${longhand.ident}_at(&self, index: usize)
-> longhands::${longhand.ident}::computed_value::SingleComputedValue {
self.${longhand.ident}.0[index].clone()
}
% endif
% endfor
% if style_struct.trait_name == "Border":
% for side in ["top", "right", "bottom", "left"]:
fn clone_border_${side}_style(&self) -> longhands::border_${side}_style::computed_value::T {
self.border_${side}_style.clone()
}
fn border_${side}_has_nonzero_width(&self) -> bool {
self.border_${side}_width != ::app_units::Au(0)
}
fn border_${side}_has_nonzero_width(&self) -> bool {
self.border_${side}_width != ::app_units::Au(0)
}
% endfor
% elif style_struct.trait_name == "Box":
#[inline]
fn clone_display(&self) -> longhands::display::computed_value::T {
self.display.clone()
}
#[inline]
fn clone_position(&self) -> longhands::position::computed_value::T {
self.position.clone()
}
#[inline]
fn clone_float(&self) -> longhands::float::computed_value::T {
self.float.clone()
}
#[inline]
fn clone_overflow_x(&self) -> longhands::overflow_x::computed_value::T {
self.overflow_x.clone()
}
#[inline]
fn clone_overflow_y(&self) -> longhands::overflow_y::computed_value::T {
self.overflow_y.clone()
}
#[inline]
fn clone_animation_play_state(&self) -> longhands::animation_play_state::computed_value::T {
self.animation_play_state.clone()
}
#[inline]
fn transition_count(&self) -> usize {
self.transition_property.0.len()
}
% elif style_struct.trait_name == "Color":
#[inline]
fn clone_color(&self) -> longhands::color::computed_value::T {
self.color.clone()
}
% elif style_struct.trait_name == "Font":
#[inline]
fn clone_font_size(&self) -> longhands::font_size::computed_value::T {
self.font_size.clone()
}
#[inline]
fn clone_font_weight(&self) -> longhands::font_weight::computed_value::T {
self.font_weight.clone()
}
fn compute_font_hash(&mut self) {
// Corresponds to the fields in `gfx::font_template::FontTemplateDescriptor`.
let mut hasher: FnvHasher = Default::default();
@ -1193,43 +1216,11 @@ pub mod style_structs {
self.font_family.hash(&mut hasher);
self.hash = hasher.finish()
}
% elif style_struct.trait_name == "InheritedBox":
#[inline]
fn clone_direction(&self) -> longhands::direction::computed_value::T {
self.direction.clone()
}
#[inline]
fn clone_writing_mode(&self) -> longhands::writing_mode::computed_value::T {
self.writing_mode.clone()
}
#[inline]
fn clone_text_orientation(&self) -> longhands::text_orientation::computed_value::T {
self.text_orientation.clone()
}
% elif style_struct.trait_name == "InheritedText" and product == "servo":
#[inline]
fn clone__servo_text_decorations_in_effect(&self) ->
longhands::_servo_text_decorations_in_effect::computed_value::T {
self._servo_text_decorations_in_effect.clone()
}
% elif style_struct.trait_name == "Outline":
#[inline]
fn clone_outline_style(&self) -> longhands::outline_style::computed_value::T {
self.outline_style.clone()
}
#[inline]
fn outline_has_nonzero_width(&self) -> bool {
self.outline_width != ::app_units::Au(0)
}
% elif style_struct.trait_name == "Position":
#[inline]
fn clone_align_items(&self) -> longhands::align_items::computed_value::T {
self.align_items.clone()
}
#[inline]
fn clone_align_self(&self) -> longhands::align_self::computed_value::T {
self.align_self.clone()
}
% elif style_struct.trait_name == "Text":
<% text_decoration_field = 'text_decoration' if product == 'servo' else 'text_decoration_line' %>
#[inline]
@ -1255,13 +1246,6 @@ pub trait ComputedValues : Debug + Clone + Send + Sync + 'static {
type Concrete${style_struct.trait_name}: style_struct_traits::${style_struct.trait_name};
% endfor
// Temporary bailout case for stuff we haven't made work with the trait
// yet - panics for non-Servo implementations.
//
// Used only for animations. Don't use it in other places.
fn as_servo<'a>(&'a self) -> &'a ServoComputedValues;
fn as_servo_mut<'a>(&'a mut self) -> &'a mut ServoComputedValues;
fn new(custom_properties: Option<Arc<::custom_properties::ComputedValuesMap>>,
shareable: bool,
writing_mode: WritingMode,
@ -1275,7 +1259,7 @@ pub trait ComputedValues : Debug + Clone + Send + Sync + 'static {
fn initial_values() -> &'static Self;
fn do_cascade_property<F: FnOnce(&Vec<CascadePropertyFn<Self>>)>(f: F);
fn do_cascade_property<F: FnOnce(&[CascadePropertyFn<Self>])>(f: F);
% for style_struct in data.active_style_structs():
fn clone_${style_struct.trait_name_lower}(&self) ->
@ -1310,9 +1294,6 @@ impl ComputedValues for ServoComputedValues {
type Concrete${style_struct.trait_name} = style_structs::${style_struct.servo_struct_name};
% endfor
fn as_servo<'a>(&'a self) -> &'a ServoComputedValues { self }
fn as_servo_mut<'a>(&'a mut self) -> &'a mut ServoComputedValues { self }
fn new(custom_properties: Option<Arc<::custom_properties::ComputedValuesMap>>,
shareable: bool,
writing_mode: WritingMode,
@ -1346,8 +1327,9 @@ impl ComputedValues for ServoComputedValues {
fn initial_values() -> &'static Self { &*INITIAL_SERVO_VALUES }
fn do_cascade_property<F: FnOnce(&Vec<CascadePropertyFn<Self>>)>(f: F) {
CASCADE_PROPERTY.with(|x| f(x));
#[inline]
fn do_cascade_property<F: FnOnce(&[CascadePropertyFn<Self>])>(f: F) {
f(&CASCADE_PROPERTY)
}
% for style_struct in data.active_style_structs():
@ -1747,19 +1729,11 @@ pub type CascadePropertyFn<C /*: ComputedValues */> =
cacheable: &mut bool,
error_reporter: &mut StdBox<ParseErrorReporter + Send>);
pub fn make_cascade_vec<C: ComputedValues>() -> Vec<CascadePropertyFn<C>> {
vec![
% for property in data.longhands:
longhands::${property.ident}::cascade_property,
% endfor
]
}
// This is a thread-local rather than a lazy static to avoid atomic operations when cascading
// properties.
thread_local!(static CASCADE_PROPERTY: Vec<CascadePropertyFn<ServoComputedValues>> = {
make_cascade_vec::<ServoComputedValues>()
});
static CASCADE_PROPERTY: [CascadePropertyFn<ServoComputedValues>; ${len(data.longhands)}] = [
% for property in data.longhands:
longhands::${property.ident}::cascade_property,
% endfor
];
/// Performs the CSS cascade, computing new styles for an element from its parent style and
/// optionally a cached related style. The arguments are:

5
servo/components/style/values.rs
View File

@ -1194,6 +1194,11 @@ pub mod specified {
pub fn radians(self) -> f32 {
self.0
}
#[inline]
pub fn from_radians(r: f32) -> Self {
Angle(r)
}
}
const RAD_PER_DEG: CSSFloat = PI / 180.0;

199
servo/ports/geckolib/properties.mako.rs
View File

@ -33,9 +33,8 @@ use style::custom_properties::ComputedValuesMap;
use style::logical_geometry::WritingMode;
use style::properties::{CascadePropertyFn, ServoComputedValues, ComputedValues};
use style::properties::longhands;
use style::properties::make_cascade_vec;
use style::properties::style_struct_traits::*;
use values::{StyleCoordHelpers, ToGeckoStyleCoord, convert_nscolor_to_rgba};
use values::{StyleCoordHelpers, GeckoStyleCoordConvertible, convert_nscolor_to_rgba};
use values::{convert_rgba_to_nscolor, debug_assert_unit_is_safe_to_copy};
use values::round_border_to_device_pixels;
@ -74,10 +73,6 @@ impl ComputedValues for GeckoComputedValues {
type Concrete${style_struct.trait_name} = ${style_struct.gecko_struct_name};
% endfor
// These will go away, and we will never implement them.
fn as_servo<'a>(&'a self) -> &'a ServoComputedValues { unimplemented!() }
fn as_servo_mut<'a>(&'a mut self) -> &'a mut ServoComputedValues { unimplemented!() }
fn new(custom_properties: Option<Arc<ComputedValuesMap>>,
shareable: bool,
writing_mode: WritingMode,
@ -106,8 +101,9 @@ impl ComputedValues for GeckoComputedValues {
fn initial_values() -> &'static Self { &*INITIAL_GECKO_VALUES }
fn do_cascade_property<F: FnOnce(&Vec<CascadePropertyFn<Self>>)>(f: F) {
CASCADE_PROPERTY.with(|x| f(x));
#[inline]
fn do_cascade_property<F: FnOnce(&[CascadePropertyFn<Self>])>(f: F) {
f(&CASCADE_PROPERTY)
}
% for style_struct in data.style_structs:
@ -147,7 +143,13 @@ pub struct ${style_struct.gecko_struct_name} {
}
</%def>
<%def name="impl_simple_copy(ident, gecko_ffi_name)">
<%def name="impl_simple_clone(ident, gecko_ffi_name)">
fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
self.gecko.${gecko_ffi_name}
}
</%def>
<%def name="impl_simple_copy(ident, gecko_ffi_name, *kwargs)">
fn copy_${ident}_from(&mut self, other: &Self) {
self.gecko.${gecko_ffi_name} = other.gecko.${gecko_ffi_name};
}
@ -247,12 +249,24 @@ def set_gecko_property(ffi_name, expr):
<%def name="impl_color_copy(ident, gecko_ffi_name, color_flags_ffi_name=None)">
fn copy_${ident}_from(&mut self, other: &Self) {
% if color_flags_ffi_name:
${clear_color_flags(color_flags_ffi_name)}
if ${get_current_color_flag_from("other.gecko." + color_flags_ffi_name)} {
${set_current_color_flag(color_flags_ffi_name)}
}
${clear_color_flags(color_flags_ffi_name)}
if ${get_current_color_flag_from("other.gecko." + color_flags_ffi_name)} {
${set_current_color_flag(color_flags_ffi_name)}
}
% endif
self.gecko.${gecko_ffi_name} = other.gecko.${gecko_ffi_name};
self.gecko.${gecko_ffi_name} = other.gecko.${gecko_ffi_name}
}
</%def>
<%def name="impl_color_clone(ident, gecko_ffi_name, color_flags_ffi_name=None)">
fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
use cssparser::Color;
% if color_flags_ffi_name:
if ${get_current_color_flag_from("self.gecko." + color_flags_ffi_name)} {
return Color::CurrentColor
}
% endif
Color::RGBA(convert_nscolor_to_rgba(${get_gecko_property(gecko_ffi_name)}))
}
</%def>
@ -264,14 +278,20 @@ def set_gecko_property(ffi_name, expr):
% endif
</%def>
<%def name="impl_simple(ident, gecko_ffi_name)">
<%def name="impl_simple(ident, gecko_ffi_name, need_clone=False)">
<%call expr="impl_simple_setter(ident, gecko_ffi_name)"></%call>
<%call expr="impl_simple_copy(ident, gecko_ffi_name)"></%call>
% if need_clone:
<%call expr="impl_simple_clone(ident, gecko_ffi_name)"></%call>
% endif
</%def>
<%def name="impl_color(ident, gecko_ffi_name, color_flags_ffi_name=None)">
<%def name="impl_color(ident, gecko_ffi_name, color_flags_ffi_name=None, need_clone=False)">
<%call expr="impl_color_setter(ident, gecko_ffi_name, color_flags_ffi_name)"></%call>
<%call expr="impl_color_copy(ident, gecko_ffi_name, color_flags_ffi_name)"></%call>
% if need_clone:
<%call expr="impl_color_clone(ident, gecko_ffi_name, color_flags_ffi_name)"></%call>
% endif
</%def>
<%def name="impl_app_units(ident, gecko_ffi_name, need_clone, round_to_pixels=False)">
@ -291,7 +311,7 @@ def set_gecko_property(ffi_name, expr):
% endif
</%def>
<%def name="impl_split_style_coord(ident, unit_ffi_name, union_ffi_name)">
<%def name="impl_split_style_coord(ident, unit_ffi_name, union_ffi_name, need_clone=False)">
fn set_${ident}(&mut self, v: longhands::${ident}::computed_value::T) {
v.to_gecko_style_coord(&mut self.gecko.${unit_ffi_name},
&mut self.gecko.${union_ffi_name});
@ -301,13 +321,25 @@ def set_gecko_property(ffi_name, expr):
self.gecko.${unit_ffi_name} = other.gecko.${unit_ffi_name};
self.gecko.${union_ffi_name} = other.gecko.${union_ffi_name};
}
% if need_clone:
fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
use style::properties::longhands::${ident}::computed_value::T;
T::from_gecko_style_coord(&self.gecko.${unit_ffi_name},
&self.gecko.${union_ffi_name})
.expect("clone for ${ident} failed")
}
% endif
</%def>
<%def name="impl_style_coord(ident, gecko_ffi_name)">
<%call expr="impl_split_style_coord(ident, '%s.mUnit' % gecko_ffi_name, '%s.mValue' % gecko_ffi_name)"></%call>
<%def name="impl_style_coord(ident, gecko_ffi_name, need_clone=False)">
${impl_split_style_coord(ident,
"%s.mUnit" % gecko_ffi_name,
"%s.mValue" % gecko_ffi_name,
need_clone=need_clone)}
</%def>
<%def name="impl_corner_style_coord(ident, x_unit_ffi_name, x_union_ffi_name, y_unit_ffi_name, y_union_ffi_name)">
<%def name="impl_corner_style_coord(ident, x_unit_ffi_name, x_union_ffi_name, \
y_unit_ffi_name, y_union_ffi_name, need_clone=False)">
fn set_${ident}(&mut self, v: longhands::${ident}::computed_value::T) {
v.0.width.to_gecko_style_coord(&mut self.gecko.${x_unit_ffi_name},
&mut self.gecko.${x_union_ffi_name});
@ -322,6 +354,19 @@ def set_gecko_property(ffi_name, expr):
self.gecko.${y_unit_ffi_name} = other.gecko.${y_unit_ffi_name};
self.gecko.${y_union_ffi_name} = other.gecko.${y_union_ffi_name};
}
% if need_clone:
fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
use style::properties::longhands::${ident}::computed_value::T;
use euclid::Size2D;
let width = GeckoStyleCoordConvertible::from_gecko_style_coord(&self.gecko.${x_unit_ffi_name},
&self.gecko.${x_union_ffi_name})
.expect("Failed to clone ${ident}");
let height = GeckoStyleCoordConvertible::from_gecko_style_coord(&self.gecko.${y_unit_ffi_name},
&self.gecko.${y_union_ffi_name})
.expect("Failed to clone ${ident}");
T(Size2D::new(width, height))
}
% endif
</%def>
<%def name="impl_style_struct(style_struct)">
@ -424,7 +469,7 @@ impl ${style_struct.trait_name} for ${style_struct.gecko_struct_name} {
impl_keyword(longhand.ident, longhand.gecko_ffi_name, longhand.keyword, longhand.need_clone)
for longhand in predefined_longhands:
impl_fn = predefined_types[longhand.predefined_type]
impl_fn(longhand.ident, longhand.gecko_ffi_name)
impl_fn(longhand.ident, longhand.gecko_ffi_name, need_clone=longhand.need_clone)
%>
/*
@ -446,6 +491,12 @@ impl ${style_struct.trait_name} for ${style_struct.gecko_struct_name} {
unimplemented!()
}
% endif
% if longhand.need_index:
fn ${longhand.ident}_count(&self) -> usize { 0 }
fn ${longhand.ident}_at(&self, _index: usize) -> longhands::${longhand.ident}::computed_value::SingleComputedValue {
unimplemented!()
}
% endif
% endfor
<% additionals = [x for x in style_struct.additional_methods
if skip_additionals != "*" and not x.name in skip_additionals.split()] %>
@ -515,9 +566,9 @@ fn static_assert() {
need_clone=True) %>
<% impl_color("border_%s_color" % side.ident, "mBorderColor[%s]" % side.index,
color_flags_ffi_name="mBorderStyle[%s]" % side.index) %>
color_flags_ffi_name="mBorderStyle[%s]" % side.index, need_clone=True) %>
<% impl_app_units("border_%s_width" % side.ident, "mComputedBorder.%s" % side.ident, need_clone=False,
<% impl_app_units("border_%s_width" % side.ident, "mComputedBorder.%s" % side.ident, need_clone=True,
round_to_pixels=True) %>
fn border_${side.ident}_has_nonzero_width(&self) -> bool {
@ -530,7 +581,8 @@ fn static_assert() {
"mBorderRadius.mUnits[%s]" % corner.x_index,
"mBorderRadius.mValues[%s]" % corner.x_index,
"mBorderRadius.mUnits[%s]" % corner.y_index,
"mBorderRadius.mValues[%s]" % corner.y_index) %>
"mBorderRadius.mValues[%s]" % corner.y_index,
need_clone=True) %>
% endfor
</%self:impl_trait>
@ -541,7 +593,8 @@ fn static_assert() {
% for side in SIDES:
<% impl_split_style_coord("margin_%s" % side.ident,
"mMargin.mUnits[%s]" % side.index,
"mMargin.mValues[%s]" % side.index) %>
"mMargin.mValues[%s]" % side.index,
need_clone=True) %>
% endfor
</%self:impl_trait>
@ -552,7 +605,8 @@ fn static_assert() {
% for side in SIDES:
<% impl_split_style_coord("padding_%s" % side.ident,
"mPadding.mUnits[%s]" % side.index,
"mPadding.mValues[%s]" % side.index) %>
"mPadding.mValues[%s]" % side.index,
need_clone=True) %>
% endfor
</%self:impl_trait>
@ -563,7 +617,8 @@ fn static_assert() {
% for side in SIDES:
<% impl_split_style_coord("%s" % side.ident,
"mOffset.mUnits[%s]" % side.index,
"mOffset.mValues[%s]" % side.index) %>
"mOffset.mValues[%s]" % side.index,
need_clone=True) %>
% endfor
fn set_z_index(&mut self, v: longhands::z_index::computed_value::T) {
@ -580,6 +635,17 @@ fn static_assert() {
self.gecko.mZIndex.mValue = other.gecko.mZIndex.mValue;
}
fn clone_z_index(&self) -> longhands::z_index::computed_value::T {
use style::properties::longhands::z_index::computed_value::T;
if self.gecko.mZIndex.is_auto() {
return T::Auto;
}
debug_assert!(self.gecko.mZIndex.is_int());
T::Number(self.gecko.mZIndex.get_int())
}
fn set_box_sizing(&mut self, v: longhands::box_sizing::computed_value::T) {
use style::computed_values::box_sizing::T;
use gecko_bindings::structs::StyleBoxSizing;
@ -602,9 +668,9 @@ fn static_assert() {
<% impl_keyword("outline_style", "mOutlineStyle", border_style_keyword, need_clone=True) %>
<% impl_color("outline_color", "mOutlineColor", color_flags_ffi_name="mOutlineStyle") %>
<% impl_color("outline_color", "mOutlineColor", color_flags_ffi_name="mOutlineStyle", need_clone=True) %>
<% impl_app_units("outline_width", "mActualOutlineWidth", need_clone=False,
<% impl_app_units("outline_width", "mActualOutlineWidth", need_clone=True,
round_to_pixels=True) %>
% for corner in CORNERS:
@ -675,7 +741,7 @@ fn static_assert() {
fn set_font_weight(&mut self, v: longhands::font_weight::computed_value::T) {
self.gecko.mFont.weight = v as u16;
}
<%call expr="impl_simple_copy('font_weight', 'mFont.weight')"></%call>
${impl_simple_copy('font_weight', 'mFont.weight')}
fn clone_font_weight(&self) -> longhands::font_weight::computed_value::T {
debug_assert!(self.gecko.mFont.weight >= 100);
@ -697,7 +763,7 @@ fn static_assert() {
"table-header-group table-footer-group table-row table-column-group " +
"table-column table-cell table-caption list-item flex none " +
"-moz-box -moz-inline-box") %>
<%call expr="impl_keyword('display', 'mDisplay', display_keyword, True)"></%call>
${impl_keyword('display', 'mDisplay', display_keyword, True)}
// overflow-y is implemented as a newtype of overflow-x, so we need special handling.
// We could generalize this if we run into other newtype keywords.
@ -711,7 +777,7 @@ fn static_assert() {
% endfor
};
}
<%call expr="impl_simple_copy('overflow_y', 'mOverflowY')"></%call>
${impl_simple_copy('overflow_y', 'mOverflowY')}
fn clone_overflow_y(&self) -> longhands::overflow_y::computed_value::T {
use style::properties::longhands::overflow_x::computed_value::T as BaseType;
use style::properties::longhands::overflow_y::computed_value::T as NewType;
@ -737,6 +803,26 @@ fn static_assert() {
}
}
fn clone_vertical_align(&self) -> longhands::vertical_align::computed_value::T {
use style::properties::longhands::vertical_align::computed_value::T;
use style::values::computed::LengthOrPercentage;
if self.gecko.mVerticalAlign.is_enum() {
match self.gecko.mVerticalAlign.get_enum() as u32 {
% for value in keyword.values_for('gecko'):
structs::${keyword.gecko_constant(value)}
=> T::${to_rust_ident(value)},
% endfor
_ => panic!("Unexpected enum variant for vertical-align"),
}
} else {
let v = LengthOrPercentage::from_gecko_style_coord(&self.gecko.mVerticalAlign.mUnit,
&self.gecko.mVerticalAlign.mValue)
.expect("Expected length or percentage for vertical-align");
T::LengthOrPercentage(v)
}
}
<%call expr="impl_coord_copy('vertical_align', 'mVerticalAlign')"></%call>
fn set__moz_binding(&mut self, v: longhands::_moz_binding::computed_value::T) {
@ -770,7 +856,7 @@ fn static_assert() {
skip_longhands="${skip_background_longhands}"
skip_additionals="*">
<% impl_color("background_color", "mBackgroundColor") %>
<% impl_color("background_color", "mBackgroundColor", need_clone=True) %>
fn copy_background_repeat_from(&mut self, other: &Self) {
self.gecko.mImage.mRepeatCount = cmp::min(1, other.gecko.mImage.mRepeatCount);
@ -945,8 +1031,8 @@ fn static_assert() {
<%self:impl_trait style_struct_name="List" skip_longhands="list-style-type" skip_additionals="*">
<% impl_keyword_setter("list_style_type", "__LIST_STYLE_TYPE__",
data.longhands_by_name["list-style-type"].keyword) %>
${impl_keyword_setter("list_style_type", "__LIST_STYLE_TYPE__",
data.longhands_by_name["list-style-type"].keyword)}
fn copy_list_style_type_from(&mut self, other: &Self) {
unsafe {
Gecko_CopyListStyleTypeFrom(&mut self.gecko, &other.gecko);
@ -960,7 +1046,7 @@ fn static_assert() {
<% text_align_keyword = Keyword("text-align", "start end left right center justify -moz-center -moz-left " +
"-moz-right match-parent") %>
<%call expr="impl_keyword('text_align', 'mTextAlign', text_align_keyword, need_clone=False)"></%call>
${impl_keyword('text_align', 'mTextAlign', text_align_keyword, need_clone=False)}
fn set_line_height(&mut self, v: longhands::line_height::computed_value::T) {
use style::properties::longhands::line_height::computed_value::T;
@ -974,6 +1060,22 @@ fn static_assert() {
}
}
fn clone_line_height(&self) -> longhands::line_height::computed_value::T {
use style::properties::longhands::line_height::computed_value::T;
if self.gecko.mLineHeight.is_normal() {
return T::Normal;
}
if self.gecko.mLineHeight.is_coord() {
return T::Length(self.gecko.mLineHeight.get_coord());
}
if self.gecko.mLineHeight.is_factor() {
return T::Number(self.gecko.mLineHeight.get_factor());
}
debug_assert!(self.gecko.mLineHeight.get_enum() == structs::NS_STYLE_LINE_HEIGHT_BLOCK_HEIGHT as i32);
T::MozBlockHeight
}
<%call expr="impl_coord_copy('line_height', 'mLineHeight')"></%call>
</%self:impl_trait>
@ -982,8 +1084,8 @@ fn static_assert() {
skip_longhands="text-decoration-color text-decoration-line"
skip_additionals="*">
<% impl_color("text_decoration_color", "mTextDecorationColor",
color_flags_ffi_name="mTextDecorationStyle") %>
${impl_color("text_decoration_color", "mTextDecorationColor",
color_flags_ffi_name="mTextDecorationStyle", need_clone=True)}
fn set_text_decoration_line(&mut self, v: longhands::text_decoration_line::computed_value::T) {
let mut bits: u8 = 0;
@ -999,14 +1101,19 @@ fn static_assert() {
self.gecko.mTextDecorationLine = bits;
}
<%call expr="impl_simple_copy('text_decoration_line', 'mTextDecorationLine')"></%call>
${impl_simple_copy('text_decoration_line', 'mTextDecorationLine')}
#[inline]
fn has_underline(&self) -> bool {
(self.gecko.mTextDecorationLine & (structs::NS_STYLE_TEXT_DECORATION_LINE_UNDERLINE as u8)) != 0
}
#[inline]
fn has_overline(&self) -> bool {
(self.gecko.mTextDecorationLine & (structs::NS_STYLE_TEXT_DECORATION_LINE_OVERLINE as u8)) != 0
}
#[inline]
fn has_line_through(&self) -> bool {
(self.gecko.mTextDecorationLine & (structs::NS_STYLE_TEXT_DECORATION_LINE_LINE_THROUGH as u8)) != 0
}
@ -1026,7 +1133,6 @@ fn static_assert() {
<%self:impl_trait style_struct_name="Color"
skip_longhands="*">
fn set_color(&mut self, v: longhands::color::computed_value::T) {
let result = convert_rgba_to_nscolor(&v);
${set_gecko_property("mColor", "result")}
@ -1042,7 +1148,6 @@ fn static_assert() {
<%self:impl_trait style_struct_name="Pointing"
skip_longhands="cursor">
fn set_cursor(&mut self, v: longhands::cursor::computed_value::T) {
use style::properties::longhands::cursor::computed_value::T;
use style_traits::cursor::Cursor;
@ -1090,7 +1195,6 @@ fn static_assert() {
}
${impl_simple_copy('cursor', 'mCursor')}
</%self:impl_trait>
<%self:impl_trait style_struct_name="Column"
@ -1104,7 +1208,6 @@ fn static_assert() {
}
${impl_coord_copy('column_width', 'mColumnWidth')}
</%self:impl_trait>
<%def name="define_ffi_struct_accessor(style_struct)">
@ -1139,8 +1242,8 @@ lazy_static! {
};
}
// This is a thread-local rather than a lazy static to avoid atomic operations when cascading
// properties.
thread_local!(static CASCADE_PROPERTY: Vec<CascadePropertyFn<GeckoComputedValues>> = {
make_cascade_vec::<GeckoComputedValues>()
});
static CASCADE_PROPERTY: [CascadePropertyFn<GeckoComputedValues>; ${len(data.longhands)}] = [
% for property in data.longhands:
longhands::${property.ident}::cascade_property,
% endfor
];

158
servo/ports/geckolib/values.rs
View File

@ -11,17 +11,37 @@ use style::values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto, Leng
pub trait StyleCoordHelpers {
fn copy_from(&mut self, other: &Self);
fn set<T: ToGeckoStyleCoord>(&mut self, val: T);
fn set<T: GeckoStyleCoordConvertible>(&mut self, val: T);
fn set_auto(&mut self);
fn is_auto(&self) -> bool;
fn set_normal(&mut self);
fn is_normal(&self) -> bool;
fn set_coord(&mut self, val: Au);
fn is_coord(&self) -> bool;
fn get_coord(&self) -> Au;
fn set_int(&mut self, val: i32);
fn is_int(&self) -> bool;
fn get_int(&self) -> i32;
fn set_enum(&mut self, val: i32);
fn is_enum(&self) -> bool;
fn get_enum(&self) -> i32;
fn set_percent(&mut self, val: f32);
fn is_percent(&self) -> bool;
fn get_percent(&self) -> f32;
fn set_factor(&mut self, val: f32);
fn is_factor(&self) -> bool;
fn get_factor(&self) -> f32;
}
impl StyleCoordHelpers for nsStyleCoord {
#[inline]
fn copy_from(&mut self, other: &Self) {
debug_assert_unit_is_safe_to_copy(self.mUnit);
debug_assert_unit_is_safe_to_copy(other.mUnit);
@ -29,51 +49,113 @@ impl StyleCoordHelpers for nsStyleCoord {
self.mValue = other.mValue;
}
fn set<T: ToGeckoStyleCoord>(&mut self, val: T) {
#[inline]
fn set<T: GeckoStyleCoordConvertible>(&mut self, val: T) {
val.to_gecko_style_coord(&mut self.mUnit, &mut self.mValue);
}
#[inline]
fn set_auto(&mut self) {
self.mUnit = nsStyleUnit::eStyleUnit_Auto;
unsafe { *self.mValue.mInt.as_mut() = 0; }
}
#[inline]
fn is_auto(&self) -> bool {
self.mUnit == nsStyleUnit::eStyleUnit_Auto
}
#[inline]
fn set_normal(&mut self) {
self.mUnit = nsStyleUnit::eStyleUnit_Normal;
unsafe { *self.mValue.mInt.as_mut() = 0; }
}
#[inline]
fn is_normal(&self) -> bool {
self.mUnit == nsStyleUnit::eStyleUnit_Normal
}
#[inline]
fn set_coord(&mut self, val: Au) {
self.mUnit = nsStyleUnit::eStyleUnit_Coord;
unsafe { *self.mValue.mInt.as_mut() = val.0; }
}
fn set_percent(&mut self, val: f32) {
self.mUnit = nsStyleUnit::eStyleUnit_Percent;
unsafe { *self.mValue.mFloat.as_mut() = val; }
#[inline]
fn is_coord(&self) -> bool {
self.mUnit == nsStyleUnit::eStyleUnit_Coord
}
#[inline]
fn get_coord(&self) -> Au {
debug_assert!(self.is_coord());
Au(unsafe { *self.mValue.mInt.as_ref() })
}
#[inline]
fn set_int(&mut self, val: i32) {
self.mUnit = nsStyleUnit::eStyleUnit_Integer;
unsafe { *self.mValue.mInt.as_mut() = val; }
}
#[inline]
fn is_int(&self) -> bool {
self.mUnit == nsStyleUnit::eStyleUnit_Integer
}
#[inline]
fn get_int(&self) -> i32 {
debug_assert!(self.is_int());
unsafe { *self.mValue.mInt.as_ref() }
}
#[inline]
fn set_enum(&mut self, val: i32) {
self.mUnit = nsStyleUnit::eStyleUnit_Enumerated;
unsafe { *self.mValue.mInt.as_mut() = val; }
}
#[inline]
fn is_enum(&self) -> bool {
self.mUnit == nsStyleUnit::eStyleUnit_Enumerated
}
#[inline]
fn get_enum(&self) -> i32 {
debug_assert!(self.is_enum());
unsafe { *self.mValue.mInt.as_ref() }
}
#[inline]
fn set_percent(&mut self, val: f32) {
self.mUnit = nsStyleUnit::eStyleUnit_Percent;
unsafe { *self.mValue.mFloat.as_mut() = val; }
}
#[inline]
fn is_percent(&self) -> bool {
self.mUnit == nsStyleUnit::eStyleUnit_Percent
}
#[inline]
fn get_percent(&self) -> f32 {
debug_assert!(self.is_percent());
unsafe { *self.mValue.mFloat.as_ref() }
}
#[inline]
fn set_factor(&mut self, val: f32) {
self.mUnit = nsStyleUnit::eStyleUnit_Factor;
unsafe { *self.mValue.mFloat.as_mut() = val; }
}
#[inline]
fn is_factor(&self) -> bool {
self.mUnit == nsStyleUnit::eStyleUnit_Factor
}
#[inline]
fn get_factor(&self) -> f32 {
debug_assert!(self.is_factor());
unsafe { *self.mValue.mFloat.as_ref() }
}
}
pub trait ToGeckoStyleCoord {
pub trait GeckoStyleCoordConvertible : Sized {
fn to_gecko_style_coord(&self, unit: &mut nsStyleUnit, union: &mut nsStyleUnion);
fn from_gecko_style_coord(unit: &nsStyleUnit, union: &nsStyleUnion) -> Option<Self>;
}
impl ToGeckoStyleCoord for LengthOrPercentage {
impl GeckoStyleCoordConvertible for LengthOrPercentage {
fn to_gecko_style_coord(&self, unit: &mut nsStyleUnit, union: &mut nsStyleUnion) {
match *self {
LengthOrPercentage::Length(au) => {
@ -87,9 +169,21 @@ impl ToGeckoStyleCoord for LengthOrPercentage {
LengthOrPercentage::Calc(_) => unimplemented!(),
};
}
fn from_gecko_style_coord(unit: &nsStyleUnit, union: &nsStyleUnion) -> Option<Self> {
match *unit {
nsStyleUnit::eStyleUnit_Coord
=> Some(LengthOrPercentage::Length(Au(unsafe { *union.mInt.as_ref() }))),
nsStyleUnit::eStyleUnit_Percent
=> Some(LengthOrPercentage::Percentage(unsafe { *union.mFloat.as_ref() })),
nsStyleUnit::eStyleUnit_Calc
=> unimplemented!(),
_ => None,
}
}
}
impl ToGeckoStyleCoord for LengthOrPercentageOrAuto {
impl GeckoStyleCoordConvertible for LengthOrPercentageOrAuto {
fn to_gecko_style_coord(&self, unit: &mut nsStyleUnit, union: &mut nsStyleUnion) {
match *self {
LengthOrPercentageOrAuto::Length(au) => {
@ -107,9 +201,23 @@ impl ToGeckoStyleCoord for LengthOrPercentageOrAuto {
LengthOrPercentageOrAuto::Calc(_) => unimplemented!(),
};
}
fn from_gecko_style_coord(unit: &nsStyleUnit, union: &nsStyleUnion) -> Option<Self> {
match *unit {
nsStyleUnit::eStyleUnit_Auto
=> Some(LengthOrPercentageOrAuto::Auto),
nsStyleUnit::eStyleUnit_Coord
=> Some(LengthOrPercentageOrAuto::Length(Au(unsafe { *union.mInt.as_ref() }))),
nsStyleUnit::eStyleUnit_Percent
=> Some(LengthOrPercentageOrAuto::Percentage(unsafe { *union.mFloat.as_ref() })),
nsStyleUnit::eStyleUnit_Calc
=> unimplemented!(),
_ => None,
}
}
}
impl ToGeckoStyleCoord for LengthOrPercentageOrNone {
impl GeckoStyleCoordConvertible for LengthOrPercentageOrNone {
fn to_gecko_style_coord(&self, unit: &mut nsStyleUnit, union: &mut nsStyleUnion) {
match *self {
LengthOrPercentageOrNone::Length(au) => {
@ -127,9 +235,23 @@ impl ToGeckoStyleCoord for LengthOrPercentageOrNone {
LengthOrPercentageOrNone::Calc(_) => unimplemented!(),
};
}
fn from_gecko_style_coord(unit: &nsStyleUnit, union: &nsStyleUnion) -> Option<Self> {
match *unit {
nsStyleUnit::eStyleUnit_None
=> Some(LengthOrPercentageOrNone::None),
nsStyleUnit::eStyleUnit_Coord
=> Some(LengthOrPercentageOrNone::Length(Au(unsafe { *union.mInt.as_ref() }))),
nsStyleUnit::eStyleUnit_Percent
=> Some(LengthOrPercentageOrNone::Percentage(unsafe { *union.mFloat.as_ref() })),
nsStyleUnit::eStyleUnit_Calc
=> unimplemented!(),
_ => None,
}
}
}
impl<T: ToGeckoStyleCoord> ToGeckoStyleCoord for Option<T> {
impl<T: GeckoStyleCoordConvertible> GeckoStyleCoordConvertible for Option<T> {
fn to_gecko_style_coord(&self, unit: &mut nsStyleUnit, union: &mut nsStyleUnion) {
if let Some(ref me) = *self {
me.to_gecko_style_coord(unit, union);
@ -138,15 +260,27 @@ impl<T: ToGeckoStyleCoord> ToGeckoStyleCoord for Option<T> {
unsafe { *union.mInt.as_mut() = 0; }
}
}
fn from_gecko_style_coord(unit: &nsStyleUnit, union: &nsStyleUnion) -> Option<Self> {
Some(T::from_gecko_style_coord(unit, union))
}
}
impl ToGeckoStyleCoord for Angle {
impl GeckoStyleCoordConvertible for Angle {
fn to_gecko_style_coord(&self,
unit: &mut nsStyleUnit,
union: &mut nsStyleUnion) {
*unit = nsStyleUnit::eStyleUnit_Radian;
unsafe { *union.mFloat.as_mut() = self.radians() };
}
fn from_gecko_style_coord(unit: &nsStyleUnit, union: &nsStyleUnion) -> Option<Self> {
if *unit == nsStyleUnit::eStyleUnit_Radian {
Some(Angle::from_radians(unsafe { *union.mFloat.as_ref() }))
} else {
None
}
}
}
pub fn convert_rgba_to_nscolor(rgba: &RGBA) -> u32 {