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stylo: Fix restyle hint conversion to handle eRestyle_ForceDescendants correcty.

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This commit is contained in:
Emilio Cobos Álvarez 2017-08-01 17:13:01 +01:00
parent dc244ad9e9
commit 8eef60ae1f
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1 changed files with 11 additions and 1 deletions
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12
components/style/invalidation/element/restyle_hints.rs
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@ -189,7 +189,8 @@ impl Default for RestyleHint {
#[cfg(feature = "gecko")]
impl From<nsRestyleHint> for RestyleHint {
fn from(raw: nsRestyleHint) -> Self {
fn from(mut raw: nsRestyleHint) -> Self {
use gecko_bindings::structs::nsRestyleHint_eRestyle_Force as eRestyle_Force;
use gecko_bindings::structs::nsRestyleHint_eRestyle_ForceDescendants as eRestyle_ForceDescendants;
use gecko_bindings::structs::nsRestyleHint_eRestyle_LaterSiblings as eRestyle_LaterSiblings;
use gecko_bindings::structs::nsRestyleHint_eRestyle_Self as eRestyle_Self;
@ -202,14 +203,23 @@ impl From<nsRestyleHint> for RestyleHint {
"Handle later siblings manually if necessary plz.");
if (raw.0 & (eRestyle_Self.0 | eRestyle_Subtree.0)) != 0 {
raw.0 &= !eRestyle_Self.0;
hint.insert(RESTYLE_SELF);
}
if (raw.0 & (eRestyle_Subtree.0 | eRestyle_SomeDescendants.0)) != 0 {
raw.0 &= !eRestyle_Subtree.0;
raw.0 &= !eRestyle_SomeDescendants.0;
hint.insert(RESTYLE_DESCENDANTS);
}
if (raw.0 & (eRestyle_ForceDescendants.0 | eRestyle_Force.0)) != 0 {
raw.0 &= !eRestyle_Force.0;
hint.insert(RECASCADE_SELF);
}
if (raw.0 & eRestyle_ForceDescendants.0) != 0 {
raw.0 &= !eRestyle_ForceDescendants.0;
hint.insert(RECASCADE_DESCENDANTS);
}