LibWeb: Implement plumbing for view transitions

This implements large parts of the CSS view-transitions-1 spec.
Author: https://github.com/Psychpsyo Commit: 56739b4b16 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/5155 Reviewed-by: https://github.com/AtkinsSJ ✅ Reviewed-by: https://github.com/alimpfard Reviewed-by: https://github.com/gmta Reviewed-by: https://github.com/kalenikaliaksandr ✅
2025-10-17 21:49:42 +00:00 · 2025-03-23 12:38:21 +01:00 · 2025-03-23 12:38:21 +01:00 · 56739b4b16 · 2025-09-07 12:59:13 +00:00
commit 56739b4b16
parent 4f0e8236a0
22 changed files with 1516 additions and 4 deletions
--- a/Libraries/LibWeb/CSS/Selector.cpp
+++ b/Libraries/LibWeb/CSS/Selector.cpp
@ -262,8 +262,13 @@ u32 Selector::specificity() const
                break;
            }
            case SimpleSelector::Type::TagName:
+                // count the number of type selectors and pseudo-elements in the selector (= C)
+                ++tag_names;
+                break;
            case SimpleSelector::Type::PseudoElement:
                // count the number of type selectors and pseudo-elements in the selector (= C)
+                // FIXME: This needs special handling for view transition pseudos:
+                //        https://drafts.csswg.org/css-view-transitions-1/#named-view-transition-pseudo
                ++tag_names;
                break;
            case SimpleSelector::Type::Universal: