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LibWeb: Implement CSS validity pseudo-classes

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Psychpsyo 2025-02-02 20:41:23 +01:00 • committed by Sam Atkins
parent 39e17e83f9
commit bad7324307
Notes: github-actions[bot] 2025-02-05 12:52:56 +00:00
15 changed files with 745 additions and 29 deletions
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25
Libraries/LibWeb/HTML/HTMLFormElement.cpp
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@ -125,18 +125,31 @@ WebIDL::ExceptionOr<void> HTMLFormElement::submit_form(GC::Ref<HTMLElement> subm
// 2. Set form's firing submission events to true.
m_firing_submission_events = true;
// FIXME: 3. If the submitter element's no-validate state is false, then interactively validate the constraints
// 3. For each element field in the list of submittable elements whose form owner is form, set field's user validity to true.
for (auto& element : get_submittable_elements()) {
// NOTE: Only input, select and textarea elements have a user validity flag.
// See https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#user-validity
if (is<HTMLInputElement>(*element)) {
(&as<HTMLInputElement>(*element))->set_user_validity(false);
} else if (is<HTMLSelectElement>(*element)) {
(&as<HTMLSelectElement>(*element))->set_user_validity(false);
} else if (is<HTMLTextAreaElement>(*element)) {
(&as<HTMLTextAreaElement>(*element))->set_user_validity(false);
}
}
// FIXME: 4. If the submitter element's no-validate state is false, then interactively validate the constraints
// of form and examine the result. If the result is negative (i.e., the constraint validation concluded
// that there were invalid fields and probably informed the user of this), then:
// 1. Set form's firing submission events to false.
// 2. Return.
// 4. Let submitterButton be null if submitter is form. Otherwise, let submitterButton be submitter.
// 5. Let submitterButton be null if submitter is form. Otherwise, let submitterButton be submitter.
GC::Ptr<HTMLElement> submitter_button;
if (submitter != this)
submitter_button = submitter;
// 5. Let shouldContinue be the result of firing an event named submit at form using SubmitEvent, with the
// 6. Let shouldContinue be the result of firing an event named submit at form using SubmitEvent, with the
// submitter attribute initialized to submitterButton, the bubbles attribute initialized to true, and the
// cancelable attribute initialized to true.
SubmitEventInit event_init {};
@ -146,14 +159,14 @@ WebIDL::ExceptionOr<void> HTMLFormElement::submit_form(GC::Ref<HTMLElement> subm
submit_event->set_cancelable(true);
bool should_continue = dispatch_event(*submit_event);
// 6. Set form's firing submission events to false.
// 7. Set form's firing submission events to false.
m_firing_submission_events = false;
// 7. If shouldContinue is false, then return.
// 8. If shouldContinue is false, then return.
if (!should_continue)
return {};
// 8. If form cannot navigate, then return.
// 9. If form cannot navigate, then return.
// Spec Note: Cannot navigate is run again as dispatching the submit event could have changed the outcome.
if (cannot_navigate())
return {};