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/*
* Copyright (c) 2018-2022, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Adam Hodgen <ant1441@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/ShadowRoot.h>
#include <LibWeb/DOM/Text.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/EventNames.h>
#include <LibWeb/HTML/HTMLFormElement.h>
#include <LibWeb/HTML/HTMLInputElement.h>
#include <LibWeb/Layout/BlockContainer.h>
#include <LibWeb/Layout/ButtonBox.h>
#include <LibWeb/Layout/CheckBox.h>
#include <LibWeb/Layout/RadioButton.h>
namespace Web::HTML {
HTMLInputElement::HTMLInputElement(DOM::Document& document, QualifiedName qualified_name)
: FormAssociatedElement(document, move(qualified_name))
{
}
HTMLInputElement::~HTMLInputElement()
{
}
void HTMLInputElement::did_click_button(Badge<Layout::ButtonBox>)
{
// FIXME: This should be a PointerEvent.
dispatch_event(DOM::Event::create(EventNames::click));
if (type() == "submit") {
if (auto* form = first_ancestor_of_type<HTMLFormElement>()) {
form->submit_form(this);
}
return;
}
}
void HTMLInputElement::did_click_checkbox(Badge<Layout::CheckBox>)
{
// FIXME: This should be a PointerEvent.
auto click_event = DOM::Event::create(EventNames::click);
click_event->set_bubbles(true);
dispatch_event(move(click_event));
}
RefPtr<Layout::Node> HTMLInputElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
{
if (type() == "hidden")
return nullptr;
if (type() == "submit" || type() == "button" || type() == "reset")
return adopt_ref(*new Layout::ButtonBox(document(), *this, move(style)));
if (type() == "checkbox")
return adopt_ref(*new Layout::CheckBox(document(), *this, move(style)));
if (type() == "radio")
return adopt_ref(*new Layout::RadioButton(document(), *this, move(style)));
create_shadow_tree_if_needed();
auto layout_node = adopt_ref(*new Layout::BlockContainer(document(), this, move(style)));
layout_node->set_inline(true);
return layout_node;
}
void HTMLInputElement::set_checked(bool checked, ChangeSource change_source, ShouldRunActivationBehavior should_run_activation_behavior)
{
if (m_checked == checked)
return;
// The dirty checkedness flag must be initially set to false when the element is created,
// and must be set to true whenever the user interacts with the control in a way that changes the checkedness.
if (change_source == ChangeSource::User)
m_dirty_checkedness = true;
m_checked = checked;
if (layout_node())
layout_node()->set_needs_display();
if (should_run_activation_behavior == ShouldRunActivationBehavior::Yes)
run_activation_behavior();
}
void HTMLInputElement::run_activation_behavior()
{
// The activation behavior for input elements are these steps:
// FIXME: 1. If this element is not mutable and is not in the Checkbox state and is not in the Radio state, then return.
// 2. Run this element's input activation behavior, if any, and do nothing otherwise.
run_input_activation_behavior();
}
// https://html.spec.whatwg.org/multipage/input.html#input-activation-behavior
void HTMLInputElement::run_input_activation_behavior()
{
if (type() == "checkbox") {
// 1. If the element is not connected, then return.
if (!is_connected())
return;
// 2. Fire an event named input at the element with the bubbles and composed attributes initialized to true.
auto input_event = DOM::Event::create(HTML::EventNames::input);
input_event->set_bubbles(true);
input_event->set_composed(true);
dispatch_event(move(input_event));
// 3. Fire an event named change at the element with the bubbles attribute initialized to true.
auto change_event = DOM::Event::create(HTML::EventNames::change);
change_event->set_bubbles(true);
dispatch_event(move(change_event));
} else {
dispatch_event(DOM::Event::create(EventNames::change));
}
}
void HTMLInputElement::did_edit_text_node(Badge<BrowsingContext>)
{
// NOTE: This is a bit ad-hoc, but basically implements part of "4.10.5.5 Common event behaviors"
// https://html.spec.whatwg.org/multipage/input.html#common-input-element-events
queue_an_element_task(HTML::Task::Source::UserInteraction, [this] {
auto input_event = DOM::Event::create(HTML::EventNames::input);
input_event->set_bubbles(true);
input_event->set_composed(true);
dispatch_event(move(input_event));
// FIXME: This should only fire when the input is "committed", whatever that means.
auto change_event = DOM::Event::create(HTML::EventNames::change);
change_event->set_bubbles(true);
dispatch_event(move(change_event));
});
}
bool HTMLInputElement::enabled() const
{
return !has_attribute(HTML::AttributeNames::disabled);
}
String HTMLInputElement::value() const
{
if (m_text_node)
return m_text_node->data();
return default_value();
}
void HTMLInputElement::set_value(String value)
{
if (m_text_node) {
m_text_node->set_data(move(value));
return;
}
set_attribute(HTML::AttributeNames::value, move(value));
}
void HTMLInputElement::create_shadow_tree_if_needed()
{
if (shadow_root())
return;
// FIXME: This assumes that we want a text box. Is that always true?
auto shadow_root = adopt_ref(*new DOM::ShadowRoot(document(), *this));
auto initial_value = attribute(HTML::AttributeNames::value);
if (initial_value.is_null())
initial_value = String::empty();
auto element = document().create_element(HTML::TagNames::div);
element->set_attribute(HTML::AttributeNames::style, "white-space: pre");
m_text_node = adopt_ref(*new DOM::Text(document(), initial_value));
m_text_node->set_always_editable(true);
m_text_node->set_owner_input_element({}, *this);
element->append_child(*m_text_node);
shadow_root->append_child(move(element));
set_shadow_root(move(shadow_root));
}
void HTMLInputElement::did_receive_focus()
{
auto* browsing_context = document().browsing_context();
if (!browsing_context)
return;
if (!m_text_node)
return;
browsing_context->set_cursor_position(DOM::Position { *m_text_node, 0 });
}
bool HTMLInputElement::is_focusable() const
{
return m_text_node;
}
void HTMLInputElement::inserted()
{
HTMLElement::inserted();
set_form(first_ancestor_of_type<HTMLFormElement>());
}
void HTMLInputElement::removed_from(DOM::Node* old_parent)
{
HTMLElement::removed_from(old_parent);
set_form(nullptr);
}
void HTMLInputElement::parse_attribute(FlyString const& name, String const& value)
{
FormAssociatedElement::parse_attribute(name, value);
if (name == HTML::AttributeNames::checked) {
// When the checked content attribute is added, if the control does not have dirty checkedness,
// the user agent must set the checkedness of the element to true
if (!m_dirty_checkedness)
set_checked(true, ChangeSource::Programmatic, ShouldRunActivationBehavior::No);
}
}
void HTMLInputElement::did_remove_attribute(FlyString const& name)
{
FormAssociatedElement::did_remove_attribute(name);
if (name == HTML::AttributeNames::checked) {
// When the checked content attribute is removed, if the control does not have dirty checkedness,
// the user agent must set the checkedness of the element to false.
if (!m_dirty_checkedness)
set_checked(false, ChangeSource::Programmatic, ShouldRunActivationBehavior::No);
}
}
String HTMLInputElement::type() const
{
auto value = attribute(HTML::AttributeNames::type);
#define __ENUMERATE_HTML_INPUT_TYPE_ATTRIBUTE(keyword) \
if (value.equals_ignoring_case(#keyword)) \
return #keyword;
ENUMERATE_HTML_INPUT_TYPE_ATTRIBUTES
#undef __ENUMERATE_HTML_INPUT_TYPE_ATTRIBUTE
// The missing value default and the invalid value default are the Text state.
// https://html.spec.whatwg.org/multipage/input.html#the-input-element:missing-value-default
// https://html.spec.whatwg.org/multipage/input.html#the-input-element:invalid-value-default
return "text";
}
void HTMLInputElement::set_type(String const& type)
{
set_attribute(HTML::AttributeNames::type, type);
}
}
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