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Short circuit media queries test if stylist is already dirty.

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Glenn Watson 2014-11-06 14:42:55 -08:00
parent 11cf538ff4
commit b278fc2284
1 changed files with 1 additions and 1 deletions
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2
components/style/selector_matching.rs
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@ -378,7 +378,7 @@ impl Stylist {
} }
pub fn set_device(&mut self, device: Device) { pub fn set_device(&mut self, device: Device) {
let is_dirty = self.stylesheets.iter().any(|stylesheet| { let is_dirty = self.is_dirty || self.stylesheets.iter().any(|stylesheet| {
let mut stylesheet_dirty = false; let mut stylesheet_dirty = false;
iter_stylesheet_media_rules(stylesheet, |rule| { iter_stylesheet_media_rules(stylesheet, |rule| {
stylesheet_dirty |= rule.media_queries.evaluate(&self.device) != stylesheet_dirty |= rule.media_queries.evaluate(&self.device) !=