LibWeb: Implement validity IDL attribute

Author: https://github.com/Psychpsyo
Commit: 83c4e22247
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3583
Reviewed-by: https://github.com/shannonbooth
Reviewed-by: https://github.com/tcl3 ✅

Libraries/LibWeb/HTML/ValidityState.cpp

@@ -6,14 +6,21 @@
 
 #include <LibWeb/Bindings/Intrinsics.h>
 #include <LibWeb/Bindings/ValidityStatePrototype.h>
+#include <LibWeb/HTML/HTMLElement.h>
 #include <LibWeb/HTML/ValidityState.h>
 
 namespace Web::HTML {
 
 GC_DEFINE_ALLOCATOR(ValidityState);
 
-ValidityState::ValidityState(JS::Realm& realm)
+GC::Ref<ValidityState> ValidityState::create(JS::Realm& realm, FormAssociatedElement const& control)
+{
+    return realm.create<ValidityState>(realm, control);
+}
+
+ValidityState::ValidityState(JS::Realm& realm, FormAssociatedElement const& control)
     : PlatformObject(realm)
+    , m_control(control)
 {
 }
 
@@ -23,4 +30,86 @@ void ValidityState::initialize(JS::Realm& realm)
     WEB_SET_PROTOTYPE_FOR_INTERFACE(ValidityState);
 }
 
+void ValidityState::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_control.form_associated_element_to_html_element());
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-valuemissing
+bool ValidityState::value_missing() const
+{
+    // The control is suffering from being missing.
+    return m_control.suffering_from_being_missing();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-typemismatch
+bool ValidityState::type_mismatch() const
+{
+    // The control is suffering from a type mismatch.
+    return m_control.suffering_from_a_type_mismatch();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-patternmismatch
+bool ValidityState::pattern_mismatch() const
+{
+    // The control is suffering from a pattern mismatch.
+    return m_control.suffering_from_a_pattern_mismatch();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-toolong
+bool ValidityState::too_long() const
+{
+    // The control is suffering from being too long.
+    return m_control.suffering_from_being_too_long();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-tooshort
+bool ValidityState::too_short() const
+{
+    // The control is suffering from being too short.
+    return m_control.suffering_from_being_too_short();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-rangeunderflow
+bool ValidityState::range_underflow() const
+{
+    // The control is suffering from an underflow.
+    return m_control.suffering_from_an_underflow();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-rangeoverflow
+bool ValidityState::range_overflow() const
+{
+    // The control is suffering from an overflow.
+    return m_control.suffering_from_an_overflow();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-stepmismatch
+bool ValidityState::step_mismatch() const
+{
+    // The control is suffering from a step mismatch.
+    return m_control.suffering_from_a_step_mismatch();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-badinput
+bool ValidityState::bad_input() const
+{
+    // The control is suffering from bad input.
+    return m_control.suffering_from_bad_input();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-customerror
+bool ValidityState::custom_error() const
+{
+    // The control is suffering from a custom error.
+    return m_control.suffering_from_a_custom_error();
+}
+
+// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-validitystate-valid
+bool ValidityState::valid() const
+{
+    return !(value_missing() || type_mismatch() || pattern_mismatch() || too_long() || too_short() || range_underflow() || range_overflow() || step_mismatch() || bad_input() || custom_error() || valid());
+}
+
 }