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Bug 1078005 - Skip sending MozAfterPaint events to hidden PresShells. r=roc

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This commit is contained in:
Matt Woodrow 2014-10-21 21:59:59 +13:00
parent 9940acb270
commit 1218998a7e
1 changed files with 5 additions and 0 deletions
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5
layout/base/nsPresContext.cpp
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@ -2524,6 +2524,11 @@ nsPresContext::NotifyDidPaintForSubtree(uint32_t aFlags)
return;
}
}
if (!PresShell()->IsVisible() && !mFireAfterPaintEvents) {
return;
}
// Non-root prescontexts fire MozAfterPaint to all their descendants
// unconditionally, even if no invalidations have been collected. This is
// because we don't want to eat the cost of collecting invalidations for