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LibWeb: Implement CSSStyleDeclaration.{set,remove}Property close to spec

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We already had setProperty() but it was full of ad-hoc idiosyncracies.
This patch aligns setProperty() with the CSSOM spec and also implements
removeProperty() since that's actually needed by setProperty() now.

Some things fixed by this:
- We now support the "priority" parameter to setProperty()
- Element "style" attributes now update to reflect CSSOM mutations
This commit is contained in:
Andreas Kling
2022-04-11 16:10:55 +02:00
parent 9ad9c72827
commit 66618a666b
Notes: sideshowbarker 2024-07-17 12:05:00 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/66618a666b
5 changed files with 134 additions and 26 deletions
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3
Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.h
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@@ -22,7 +22,8 @@ public:
virtual size_t length() const override;
virtual String item(size_t index) const override;
virtual Optional<StyleProperty> property(PropertyID) const override;
virtual bool set_property(PropertyID, StringView css_text) override;
virtual DOM::ExceptionOr<void> set_property(PropertyID, StringView css_text, StringView priority) override;
virtual DOM::ExceptionOr<String> remove_property(PropertyID) override;
virtual String serialized() const override;