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style: Add an AllLinksVisitedAndUnvisited for invalidation.

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Otherwise, tests like the following fail, given we always match as unvisited,
and we'd never mark the link as needing invalidation.

<!doctype html>
<style>
a {
  color: red !important;
}

.foo :visited {
  color: green !important;
}
</style>
<div>
  <a href="https://google.es">visit me</a>
  <button onclick="this.parentNode.className = 'foo'">Then click me</button>
</div>

Bug: 1368240
MozReview-Commit-ID: LDv6S28c4ju
This commit is contained in:
Emilio Cobos Álvarez 2017-06-09 17:11:19 +02:00
parent fdf9093466
commit 4434509088
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GPG key ID: 056B727BB9C1027C
6 changed files with 42 additions and 2 deletions
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4
components/style/gecko/wrapper.rs
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@ -1258,6 +1258,10 @@ impl<'le> PresentationalHintsSynthesizer for GeckoElement<'le> {
// Unvisited vs. visited styles are computed up-front based on the
// visited mode (not the element's actual state).
let declarations = match visited_handling {
VisitedHandlingMode::AllLinksVisitedAndUnvisited => {
unreachable!("We should never try to selector match with \
AllLinksVisitedAndUnvisited");
},
VisitedHandlingMode::AllLinksUnvisited => unsafe {
Gecko_GetUnvisitedLinkAttrDeclarationBlock(self.0)
},