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Support url() values in background-image and mask-image in stylo. r=manishearth

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MozReview-Commit-ID: 7IUzzVV9rOi
This commit is contained in:
Cameron McCormack 2016-10-10 14:55:19 +08:00
parent df4194154e
commit 2d232cecb2
5 changed files with 30 additions and 11 deletions
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4
components/style/properties/data.py
View file

@ -67,7 +67,8 @@ 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, need_index=False, gecko_ffi_name=None, depend_on_viewport_size=False,
allowed_in_keyframe_block=True, complex_color=False, cast_type='u8'):
allowed_in_keyframe_block=True, complex_color=False, cast_type='u8',
has_uncacheable_values=False):
self.name = name
self.keyword = keyword
self.predefined_type = predefined_type
@ -78,6 +79,7 @@ class Longhand(object):
self.custom_cascade = custom_cascade
self.internal = internal
self.need_index = need_index
self.has_uncacheable_values = has_uncacheable_values
self.gecko_ffi_name = gecko_ffi_name or "m" + self.camel_case
self.depend_on_viewport_size = depend_on_viewport_size
self.derived_from = (derived_from or "").split()

26
components/style/properties/gecko.mako.rs
View file

@ -30,6 +30,7 @@ use gecko_bindings::bindings::Gecko_SetGradientImageValue;
use gecko_bindings::bindings::Gecko_SetListStyleType;
use gecko_bindings::bindings::Gecko_SetMozBinding;
use gecko_bindings::bindings::Gecko_SetNullImageValue;
use gecko_bindings::bindings::Gecko_SetUrlImageValue;
use gecko_bindings::bindings::ServoComputedValuesBorrowedOrNull;
use gecko_bindings::bindings::{Gecko_ResetFilters, Gecko_CopyFiltersFrom};
use gecko_bindings::structs;
@ -1196,8 +1197,10 @@ fn static_assert() {
}
}
#[allow(unused_variables)]
pub fn set_${shorthand}_image(&mut self,
images: longhands::${shorthand}_image::computed_value::T) {
images: longhands::${shorthand}_image::computed_value::T,
cacheable: &mut bool) {
use gecko_bindings::structs::nsStyleImage;
use gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
use gecko_bindings::structs::{NS_STYLE_GRADIENT_SHAPE_LINEAR, NS_STYLE_GRADIENT_SHAPE_CIRCULAR};
@ -1385,13 +1388,20 @@ fn static_assert() {
Image::Gradient(gradient) => {
set_gradient(gradient, &mut geckoimage.mImage)
},
Image::Url(..) => {
// let utf8_bytes = url.as_bytes();
// Gecko_SetUrlImageValue(&mut self.gecko.mImage.mLayers.mFirstElement,
// utf8_bytes.as_ptr() as *const _,
// utf8_bytes.len());
warn!("stylo: imgRequestProxies are not threadsafe in gecko, \
background-image: url() not yet implemented");
Image::Url(ref url, ref extra_data) => {
unsafe {
Gecko_SetUrlImageValue(&mut geckoimage.mImage,
url.as_str().as_ptr(),
url.as_str().len() as u32,
extra_data.base.get(),
extra_data.referrer.get(),
extra_data.principal.get());
}
// We unfortunately must make any url() value uncacheable, since
// the applicable declarations cache is not per document, but
// global, and the imgRequestProxy objects we store in the style
// structs don't like to be tracked by more than one document.
*cacheable = false;
}
}
}

5
components/style/properties/helpers.mako.rs
View file

@ -224,8 +224,13 @@
match *value {
DeclaredValue::Value(ref specified_value) => {
let computed = specified_value.to_computed_value(context);
% if property.has_uncacheable_values:
context.mutate_style().mutate_${data.current_style_struct.name_lower}()
.set_${property.ident}(computed, cacheable);
% else:
context.mutate_style().mutate_${data.current_style_struct.name_lower}()
.set_${property.ident}(computed);
% endif
}
DeclaredValue::WithVariables { .. } => unreachable!(),
DeclaredValue::Initial => {

3
components/style/properties/longhand/background.mako.rs
View file

@ -10,7 +10,8 @@ ${helpers.predefined_type("background-color", "CSSColor",
"::cssparser::Color::RGBA(::cssparser::RGBA { red: 0., green: 0., blue: 0., alpha: 0. }) /* transparent */",
animatable=True)}
<%helpers:vector_longhand name="background-image" animatable="False">
<%helpers:vector_longhand name="background-image" animatable="False"
has_uncacheable_values="${product == 'gecko'}">
use cssparser::ToCss;
use std::fmt;
use values::specified::Image;

3
components/style/properties/longhand/svg.mako.rs
View file

@ -146,7 +146,8 @@ ${helpers.single_keyword("mask-composite",
products="gecko",
animatable=False)}
<%helpers:vector_longhand name="mask-image" products="gecko" animatable="False">
<%helpers:vector_longhand name="mask-image" products="gecko" animatable="False"
has_uncacheable_values="${product == 'gecko'}">
use cssparser::ToCss;
use std::fmt;
use url::Url;