[Webkit-unassigned] [Bug 143922] New: PropertySetCSSStyleDeclaration::setPropertyInternal() often says the property changed when it has not
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sat Apr 18 13:02:34 PDT 2015
https://bugs.webkit.org/show_bug.cgi?id=143922
Bug ID: 143922
Summary: PropertySetCSSStyleDeclaration::setPropertyInternal()
often says the property changed when it has not
Classification: Unclassified
Product: WebKit
Version: 528+ (Nightly build)
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: CSS
Assignee: webkit-unassigned at lists.webkit.org
Reporter: simon.fraser at apple.com
CC: koivisto at iki.fi
PropertySetCSSStyleDeclaration::setPropertyInternal() does:
bool changed = m_propertySet->setProperty(propertyID, value, important, contextStyleSheet());
but as far as I can see, setProperty() returns true simply when parsing succeeded, not necessarily when the property changed.
This causes lots of extra style recalcs when scrolling Facebook.
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