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Auto merge of #18843 - upsuper:author-text-shadow, r=heycam

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Remove text-shadow handling from HasAuthorSpecifiedRules

This is the Servo side change of [bug 1363088](https://bugzilla.mozilla.org/show_bug.cgi?id=1363088).

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This commit is contained in:
bors-servo 2017-10-12 03:12:26 -05:00 • committed by GitHub
commit 5682eeff48
2 changed files with 4 additions and 30 deletions
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1
components/style/gecko/generated/structs.rs
View file

@ -959,7 +959,6 @@ pub mod root {
pub const NS_AUTHOR_SPECIFIED_BACKGROUND: ::std::os::raw::c_uint = 1;
pub const NS_AUTHOR_SPECIFIED_BORDER: ::std::os::raw::c_uint = 2;
pub const NS_AUTHOR_SPECIFIED_PADDING: ::std::os::raw::c_uint = 4;
pub const NS_AUTHOR_SPECIFIED_TEXT_SHADOW: ::std::os::raw::c_uint = 8;
pub const NS_STYLE_INHERIT_MASK: ::std::os::raw::c_uint = 16777215;
pub const NS_STYLE_HAS_TEXT_DECORATION_LINES: ::std::os::raw::c_uint =
16777216;

33
components/style/rule_tree/mod.rs
View file

@ -1086,8 +1086,9 @@ impl StrongRuleNode {
-> bool
where E: ::dom::TElement
{
use gecko_bindings::structs::{NS_AUTHOR_SPECIFIED_BACKGROUND, NS_AUTHOR_SPECIFIED_BORDER};
use gecko_bindings::structs::{NS_AUTHOR_SPECIFIED_PADDING, NS_AUTHOR_SPECIFIED_TEXT_SHADOW};
use gecko_bindings::structs::NS_AUTHOR_SPECIFIED_BACKGROUND;
use gecko_bindings::structs::NS_AUTHOR_SPECIFIED_BORDER;
use gecko_bindings::structs::NS_AUTHOR_SPECIFIED_PADDING;
use properties::{CSSWideKeyword, LonghandId, LonghandIdSet};
use properties::{PropertyDeclaration, PropertyDeclarationId};
use std::borrow::Cow;
@ -1143,15 +1144,6 @@ impl StrongRuleNode {
LonghandId::PaddingBlockEnd,
];
// Inherited properties:
const TEXT_SHADOW_PROPS: &'static [LonghandId] = &[
LonghandId::TextShadow,
];
fn inherited(id: LonghandId) -> bool {
id == LonghandId::TextShadow
}
// Set of properties that we are currently interested in.
let mut properties = LonghandIdSet::new();
@ -1170,11 +1162,6 @@ impl StrongRuleNode {
properties.insert(*id);
}
}
if rule_type_mask & NS_AUTHOR_SPECIFIED_TEXT_SHADOW != 0 {
for id in TEXT_SHADOW_PROPS {
properties.insert(*id);
}
}
// If author colors are not allowed, only claim to have author-specified
// rules if we're looking at a non-color property or if we're looking at
@ -1189,7 +1176,6 @@ impl StrongRuleNode {
LonghandId::BorderInlineEndColor,
LonghandId::BorderBlockStartColor,
LonghandId::BorderBlockEndColor,
LonghandId::TextShadow,
];
if !author_colors_allowed {
@ -1208,14 +1194,6 @@ impl StrongRuleNode {
// Note that we don't care here about inheritance due to lack of a
// specified value, since all the properties we care about are reset
// properties.
//
// FIXME: The above comment is copied from Gecko, but the last
// sentence is no longer correct since 'text-shadow' support was
// added.
//
// This is a bug in Gecko, replicated in Stylo for now:
//
// https://bugzilla.mozilla.org/show_bug.cgi?id=1363088
let mut inherited_properties = LonghandIdSet::new();
let mut have_explicit_ua_inherit = false;
@ -1257,10 +1235,7 @@ impl StrongRuleNode {
// However, if it is inherited, then it might be
// inherited from an author rule from an
// ancestor element's rule nodes.
if declaration.get_css_wide_keyword() == Some(CSSWideKeyword::Inherit) ||
(declaration.get_css_wide_keyword() == Some(CSSWideKeyword::Unset) &&
inherited(id))
{
if declaration.get_css_wide_keyword() == Some(CSSWideKeyword::Inherit) {
have_explicit_ua_inherit = true;
inherited_properties.insert(id);
}