commit | fb7f68a2a1808a1de48e1acf7ccc38dc71744a9b | [log] [tgz] |
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author | rniwa@webkit.org <rniwa@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> | Mon Oct 07 20:58:04 2019 +0000 |
committer | rniwa@webkit.org <rniwa@webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc> | Mon Oct 07 20:58:04 2019 +0000 |
tree | 8ddcb58f6f354c9f1423ef372e6bd41b0f197f1a | |
parent | 8731037bcbd520ad0ff44b03be13aac25f7585c1 [diff] |
focus pseudo class should match a shadow host whose shadow tree contains the focused element https://bugs.webkit.org/show_bug.cgi?id=202432 Reviewed by Antti Koivisto. Source/WebCore: Note that focus pseudo class does not match a shadow host when its shadow tree contains a slot element with a focused element or its ancestor assigned since such a shadow host has the actual focused element in the same tree as the shadow host. (e.g. the focused element can be a direct child of the host). In order to preserve the behavior of focus ring, which should be only drawn on the currently focused element and not any shadow host which contains such an element, this patch introduces a new pseudo class, -webkit-direct-focus, which is only available in the user agent stylesheet. Putting :host(:focus) rule isn't sufficient because style rules inside shadow trees always has a lower precendence than rules outside the shadow tree (the tree of its shadow host). [1] Also see https://github.com/whatwg/html/pull/4731 Tests: fast/shadow-dom/direct-focus-pseudo-does-not-match-in-author-stylesheet.html fast/shadow-dom/focus-pseudo-matches-on-shadow-host.html fast/shadow-dom/focus-pseudo-on-shadow-host-1.html fast/shadow-dom/focus-pseudo-on-shadow-host-2.html fast/shadow-dom/focus-pseudo-on-shadow-host-3.html * css/CSSSelector.cpp: (WebCore::CSSSelector::selectorText const): Added the support for -webkit-direct-focus. * css/CSSSelector.h: * css/RuleSet.cpp: (WebCore::RuleSet::addRule): Ditto. * css/SelectorChecker.cpp: (WebCore::SelectorChecker::checkOne const):: Ditto. (WebCore::doesShadowTreeContainFocusedElement):: Ditto. (WebCore::SelectorChecker::matchesFocusPseudoClass): Implemented the new behavior. (WebCore::SelectorChecker::matchesDirectFocusPseudoClass): Added. Implements the old behavior for the focus ring via -webkit-direct-focus pseudo class. * css/SelectorChecker.h: * css/SelectorPseudoClassAndCompatibilityElementMap.in: Added -webkit-direct-focus. * css/html.css: Use -webkit-direct-focus pseudo class to preserve the existing behavior of focus ring. * css/parser/CSSSelectorParser.cpp: (WebCore::CSSSelectorParser::consumePseudo): Ignore -webkit-direct-focus in author and user stylesheets. * cssjit/SelectorCompiler.cpp: (WebCore::SelectorCompiler::addPseudoClassType): Added the support for -webkit-direct-focus. * dom/Element.cpp: (WebCore::Element::setFocus): Invoke setContainsFocusedElement on each shadow ancestor root of the newly focused element. Note that we can't use :focus-within pseudo class since that would also match the host of a shadow root which contains a slotted focused element, causing both the shadow host and the slotted element to match :focus pseudo class in the host's tree. * dom/ShadowRoot.h: LayoutTests: Added W3C style testharness tests and ref tests. * fast/shadow-dom/direct-focus-pseudo-does-not-match-in-author-stylesheet-expected.txt: Added. * fast/shadow-dom/direct-focus-pseudo-does-not-match-in-author-stylesheet.html: Added. * fast/shadow-dom/focus-pseudo-matches-on-shadow-host-expected.txt: Added. * fast/shadow-dom/focus-pseudo-matches-on-shadow-host.html: Added. * fast/shadow-dom/focus-pseudo-on-shadow-host-1-expected.html: Added. * fast/shadow-dom/focus-pseudo-on-shadow-host-1.html: Added. * fast/shadow-dom/focus-pseudo-on-shadow-host-2-expected.html: Added. * fast/shadow-dom/focus-pseudo-on-shadow-host-2.html: Added. * fast/shadow-dom/focus-pseudo-on-shadow-host-3-expected.html: Added. * fast/shadow-dom/focus-pseudo-on-shadow-host-3.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@250788 268f45cc-cd09-0410-ab3c-d52691b4dbfc
WebKit is a cross-platform web browser engine. On iOS and macOS, it powers Safari, Mail, iBooks, and many other applications.
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