ladybird/Userland/Libraries/LibWeb/CSS/CSSRule.idl
Ali Mohammad Pur e90752cc21 LibWeb: Add preliminary support for CSS animations
This partially implements CSS-Animations-1 (though there are references
to CSS-Animations-2).
Current limitations:
- Multi-selector keyframes are not supported.
- Most animation properties are ignored.
- Timing functions are not applied.
- Non-absolute values are not interpolated unless the target is also of
  the same non-absolute type (e.g. 10% -> 25%, but not 10% -> 20px).
- The JavaScript interface is left as an exercise for the next poor soul
  looking at this code.

With those said, this commit implements:
- Interpolation for most common types
- Proper keyframe resolution (including the synthetic from-keyframe
  containing the initial state)
- Properly driven animations, and proper style invalidation

Co-Authored-By: Andreas Kling <kling@serenityos.org>
2023-05-29 05:35:41 +02:00

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#import <CSS/CSSStyleSheet.idl>
[Exposed=Window]
interface CSSRule {
attribute CSSOMString cssText;
readonly attribute CSSRule? parentRule;
readonly attribute CSSStyleSheet? parentStyleSheet;
readonly attribute unsigned short type;
const unsigned short STYLE_RULE = 1;
const unsigned short CHARSET_RULE = 2;
const unsigned short IMPORT_RULE = 3;
const unsigned short MEDIA_RULE = 4;
const unsigned short FONT_FACE_RULE = 5;
const unsigned short PAGE_RULE = 6;
const unsigned short KEYFRAMES_RULE = 7;
const unsigned short KEYFRAME_RULE = 8;
const unsigned short MARGIN_RULE = 9;
const unsigned short NAMESPACE_RULE = 10;
const unsigned short SUPPORTS_RULE = 12;
};