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LibWeb: Implement HTMLFormElement::reset

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This patch sets up the necessary infrastructure for implementing reset
algorithms for form-associated controls.
This commit is contained in:
Srikavin Ramkumar 2022-12-22 19:32:20 -05:00 • committed by Andreas Kling
parent 2376385f0c
commit 7cc6ffe5b7
4 changed files with 51 additions and 0 deletions
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39
Userland/Libraries/LibWeb/HTML/HTMLFormElement.cpp
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@ -6,6 +6,7 @@
#include <AK/StringBuilder.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/EventNames.h>
#include <LibWeb/HTML/HTMLButtonElement.h>
@ -136,11 +137,49 @@ void HTMLFormElement::submit_form(JS::GCPtr<HTMLElement> submitter, bool from_su
page->load(request);
}
// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#resetting-a-form
void HTMLFormElement::reset_form()
{
// 1. Let reset be the result of firing an event named reset at form, with the bubbles and cancelable attributes initialized to true.
auto reset_event = DOM::Event::create(realm(), HTML::EventNames::reset);
reset_event->set_bubbles(true);
reset_event->set_cancelable(true);
bool reset = dispatch_event(*reset_event);
// 2. If reset is true, then invoke the reset algorithm of each resettable element whose form owner is form.
if (reset) {
for (auto element : m_associated_elements) {
VERIFY(is<FormAssociatedElement>(*element));
auto& form_associated_element = dynamic_cast<FormAssociatedElement&>(*element);
if (form_associated_element.is_resettable())
form_associated_element.reset_algorithm();
}
}
}
void HTMLFormElement::submit()
{
submit_form(this, true);
}
// https://html.spec.whatwg.org/multipage/forms.html#dom-form-reset
void HTMLFormElement::reset()
{
// 1. If the form element is marked as locked for reset, then return.
if (m_locked_for_reset)
return;
// 2. Mark the form element as locked for reset.
m_locked_for_reset = true;
// 3. Reset the form element.
reset_form();
// 4. Unmark the form element as locked for reset.
m_locked_for_reset = false;
}
void HTMLFormElement::add_associated_element(Badge<FormAssociatedElement>, HTMLElement& element)
{
m_associated_elements.append(element);