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style: Add a ValueInfo trait for exposing types needed by devtools.

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Most of types just derive it using proc_macro directly. Some of value
types need manual impl.

In my current plan, this new trait will be used in bug 1434130 to expose
values as well.

Bug: 1455576
Reviewed-by: emilio
MozReview-Commit-ID: LI7fy45VkRw
This commit is contained in:
Xidorn Quan 2018-04-26 09:01:02 +10:00 • committed by Emilio Cobos Álvarez
parent 276fb7e04b
commit 7fe7b2ffb1
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GPG key ID: 056B727BB9C1027C
66 changed files with 615 additions and 249 deletions
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8
components/style/gecko/url.rs
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@ -15,7 +15,7 @@ use malloc_size_of::{MallocSizeOf, MallocSizeOfOps};
use parser::{Parse, ParserContext};
use servo_arc::{Arc, RawOffsetArc};
use std::mem;
use style_traits::ParseError;
use style_traits::{ParseError, SpecifiedValueInfo};
/// A CSS url() value for gecko.
#[css(function = "url")]
@ -120,8 +120,10 @@ impl MallocSizeOf for CssUrl {
}
}
impl SpecifiedValueInfo for CssUrl {}
/// A specified url() value for general usage.
#[derive(Clone, Debug, ToComputedValue, ToCss)]
#[derive(Clone, Debug, SpecifiedValueInfo, ToComputedValue, ToCss)]
pub struct SpecifiedUrl {
/// The specified url value.
pub url: CssUrl,
@ -179,7 +181,7 @@ impl MallocSizeOf for SpecifiedUrl {
/// A specified url() value for image.
///
/// This exists so that we can construct `ImageValue` and reuse it.
#[derive(Clone, Debug, ToComputedValue, ToCss)]
#[derive(Clone, Debug, SpecifiedValueInfo, ToComputedValue, ToCss)]
pub struct SpecifiedImageUrl {
/// The specified url value.
pub url: CssUrl,