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style: Pass old ComputedValues and old cached struct bits to Gecko_CalcStyleDifference.

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This commit is contained in:
Cameron McCormack 2017-07-19 17:48:53 +08:00
parent 25dc352d7c
commit 914ba609c0
4 changed files with 10 additions and 7 deletions
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8
components/style/gecko/restyle_damage.rs
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@ -48,14 +48,14 @@ impl GeckoRestyleDamage {
/// accessed from layout.
pub fn compute_style_difference(
source: &nsStyleContext,
new_style: &Arc<ComputedValues>
old_style: &ComputedValues,
new_style: &Arc<ComputedValues>,
) -> StyleDifference {
// TODO(emilio): Const-ify this?
let context = source as *const nsStyleContext as *mut nsStyleContext;
let mut any_style_changed: bool = false;
let hint = unsafe {
bindings::Gecko_CalcStyleDifference(context,
bindings::Gecko_CalcStyleDifference(old_style.as_style_context(),
new_style.as_style_context(),
source.mBits,
&mut any_style_changed)
};
let change = if any_style_changed { StyleChange::Changed } else { StyleChange::Unchanged };