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style: Don't keep two list of stylesheets in ServoStyleSet.

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Just one set of stylesheets is enough. While at it, unify SheetType and Origin.

Differential Revision: https://phabricator.services.mozilla.com/D27564
This commit is contained in:
Emilio Cobos Álvarez 2019-04-19 04:20:31 +00:00
parent 098eb300ac
commit c0b17cc844
4 changed files with 26 additions and 18 deletions
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11
components/style/stylesheets/origin.rs
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@ -10,18 +10,17 @@ use std::ops::BitOrAssign;
/// Each style rule has an origin, which determines where it enters the cascade.
///
/// <https://drafts.csswg.org/css-cascade/#cascading-origins>
#[derive(Clone, Copy, Debug, Eq, PartialEq, ToShmem)]
#[derive(Clone, Copy, Debug, Eq, MallocSizeOf, PartialEq, ToShmem)]
#[repr(u8)]
#[cfg_attr(feature = "servo", derive(MallocSizeOf))]
pub enum Origin {
/// <https://drafts.csswg.org/css-cascade/#cascade-origin-user-agent>
UserAgent = 1 << 0,
UserAgent = 0x1,
/// <https://drafts.csswg.org/css-cascade/#cascade-origin-user>
User = 1 << 1,
User = 0x2,
/// <https://drafts.csswg.org/css-cascade/#cascade-origin-author>
Author = 1 << 2,
Author = 0x4,
}
impl Origin {
@ -59,7 +58,7 @@ impl Origin {
bitflags! {
/// A set of origins. This is equivalent to Gecko's OriginFlags.
#[cfg_attr(feature = "servo", derive(MallocSizeOf))]
#[derive(MallocSizeOf)]
pub struct OriginSet: u8 {
/// <https://drafts.csswg.org/css-cascade/#cascade-origin-user-agent>
const ORIGIN_USER_AGENT = Origin::UserAgent as u8;