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style: Make structs uncacheable if currentcolor is used on properties not using ComplexColor storage.

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This commit is contained in:
Cameron McCormack 2017-09-13 16:07:41 +08:00
parent 1346be59b2
commit 73ae5ffd94
2 changed files with 54 additions and 6 deletions
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30
components/style/values/specified/color.rs
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@ -248,18 +248,36 @@ fn convert_nscolor_to_computedcolor(color: nscolor) -> ComputedColor {
impl ToComputedValue for Color {
type ComputedValue = ComputedColor;
fn to_computed_value(&self, _context: &Context) -> ComputedColor {
fn to_computed_value(&self, context: &Context) -> ComputedColor {
match *self {
Color::CurrentColor => ComputedColor::currentcolor(),
Color::CurrentColor => {
if let Some(longhand) = context.for_non_inherited_property {
if longhand.stores_complex_colors_lossily() {
context.rule_cache_conditions.borrow_mut()
.set_uncacheable();
}
}
ComputedColor::currentcolor()
}
Color::Numeric { ref parsed, .. } => ComputedColor::rgba(*parsed),
Color::Complex(ref complex) => *complex,
Color::Complex(ref complex) => {
if complex.foreground_ratio != 0 {
if let Some(longhand) = context.for_non_inherited_property {
if longhand.stores_complex_colors_lossily() {
context.rule_cache_conditions.borrow_mut()
.set_uncacheable();
}
}
}
*complex
}
#[cfg(feature = "gecko")]
Color::System(system) =>
convert_nscolor_to_computedcolor(system.to_computed_value(_context)),
convert_nscolor_to_computedcolor(system.to_computed_value(context)),
#[cfg(feature = "gecko")]
Color::Special(special) => {
use self::gecko::SpecialColorKeyword as Keyword;
let pres_context = _context.device().pres_context();
let pres_context = context.device().pres_context();
convert_nscolor_to_computedcolor(match special {
Keyword::MozDefaultColor => pres_context.mDefaultColor,
Keyword::MozDefaultBackgroundColor => pres_context.mBackgroundColor,
@ -273,7 +291,7 @@ impl ToComputedValue for Color {
use dom::TElement;
use gecko::wrapper::GeckoElement;
use gecko_bindings::bindings::Gecko_GetBody;
let pres_context = _context.device().pres_context();
let pres_context = context.device().pres_context();
let body = unsafe { Gecko_GetBody(pres_context) }.map(GeckoElement);
let data = body.as_ref().and_then(|wrap| wrap.borrow_data());
if let Some(data) = data {