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LibWeb: Add basic support for HTMLInputElement.form

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HTMLInputElement now inherits from FormAssociatedElement, which will
be a common base for the handful of elements that need to track their
owner form (and register with it for the form.elements collection.)

At the moment, the owner form is assigned during DOM insertion/removal
of an HTMLInputElement. I didn't implement any of the legacy behaviors
defined by the HTML parsing spec yet.
This commit is contained in:
Andreas Kling 2021-04-20 11:50:29 +02:00
parent 00d8e3b02b
commit b092353e4d
8 changed files with 110 additions and 4 deletions
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12
Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -138,4 +138,14 @@ void HTMLInputElement::create_shadow_tree_if_needed()
set_shadow_root(move(shadow_root));
}
void HTMLInputElement::inserted()
{
set_form(first_ancestor_of_type<HTMLFormElement>());
}
void HTMLInputElement::removed_from(DOM::Node*)
{
set_form(nullptr);
}
}