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style: Document Gecko conversions module.

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Emilio Cobos Álvarez 2017-01-02 04:53:38 +01:00
parent 7b4d3deae7
commit ee48599d1b
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1 changed files with 8 additions and 0 deletions
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8
components/style/gecko/conversions.rs
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@ -99,6 +99,7 @@ impl From<LengthOrPercentage> for nsStyleCoord_CalcValue {
}
impl LengthOrPercentageOrAuto {
/// Convert this value in an appropriate `nsStyleCoord::CalcValue`.
pub fn to_calc_value(&self) -> Option<nsStyleCoord_CalcValue> {
match *self {
LengthOrPercentageOrAuto::Length(au) => {
@ -132,6 +133,7 @@ impl From<nsStyleCoord_CalcValue> for LengthOrPercentage {
}
impl nsStyleImage {
/// Set a given Servo `Image` value into this `nsStyleImage`.
pub fn set(&mut self, image: Image, with_url: bool, cacheable: &mut bool) {
match image {
Image::Gradient(gradient) => {
@ -154,6 +156,9 @@ impl nsStyleImage {
// 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.
//
// FIXME(emilio): With the scoped TLS thing this is no longer
// true, remove this line in a follow-up!
*cacheable = false;
},
_ => (),
@ -326,6 +331,8 @@ impl nsStyleImage {
}
pub mod basic_shape {
//! Conversions from and to CSS shape representations.
use euclid::size::Size2D;
use gecko::values::GeckoStyleCoordConvertible;
use gecko_bindings::structs;
@ -418,6 +425,7 @@ pub mod basic_shape {
// Can't be a From impl since we need to set an existing
// nsStyleCorners, not create a new one
impl BorderRadius {
/// Set this `BorderRadius` into a given `nsStyleCoord`.
pub fn set_corners(&self, other: &mut nsStyleCorners) {
let mut set_corner = |field: &BorderRadiusSize, index| {
field.0.width.to_gecko_style_coord(&mut other.data_at_mut(index));