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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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1
Userland/Libraries/LibWeb/CMakeLists.txt
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@ -67,6 +67,7 @@ set(SOURCES
HTML/AttributeNames.cpp
HTML/CanvasRenderingContext2D.cpp
HTML/EventNames.cpp
HTML/FormAssociatedElement.cpp
HTML/FrameHostElement.cpp
HTML/GlobalEventHandlers.cpp
HTML/HTMLAnchorElement.cpp

2
Userland/Libraries/LibWeb/CodeGenerators/WrapperGenerator.cpp
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@ -865,6 +865,7 @@ void generate_implementation(const IDL::Interface& interface)
#include <LibWeb/Bindings/EventTargetWrapperFactory.h>
#include <LibWeb/Bindings/EventWrapperFactory.h>
#include <LibWeb/Bindings/HTMLCanvasElementWrapper.h>
#include <LibWeb/Bindings/HTMLFormElementWrapper.h>
#include <LibWeb/Bindings/HTMLHeadElementWrapper.h>
#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
#include <LibWeb/Bindings/ImageDataWrapper.h>
@ -1205,6 +1206,7 @@ void generate_prototype_implementation(const IDL::Interface& interface)
#include <LibWeb/Bindings/EventWrapperFactory.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/HTMLCanvasElementWrapper.h>
#include <LibWeb/Bindings/HTMLFormElementWrapper.h>
#include <LibWeb/Bindings/HTMLHeadElementWrapper.h>
#include <LibWeb/Bindings/HTMLImageElementWrapper.h>
#include <LibWeb/Bindings/ImageDataWrapper.h>

37
Userland/Libraries/LibWeb/HTML/FormAssociatedElement.cpp Normal file
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@ -0,0 +1,37 @@
/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibWeb/HTML/FormAssociatedElement.h>
#include <LibWeb/HTML/HTMLFormElement.h>
namespace Web::HTML {
void FormAssociatedElement::set_form(HTMLFormElement* form)
{
m_form = form;
}
}

48
Userland/Libraries/LibWeb/HTML/FormAssociatedElement.h Normal file
View file

@ -0,0 +1,48 @@
/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/WeakPtr.h>
#include <LibWeb/Forward.h>
namespace Web::HTML {
class FormAssociatedElement {
public:
HTMLFormElement* form() { return m_form; }
HTMLFormElement const* form() const { return m_form; }
void set_form(HTMLFormElement*);
protected:
FormAssociatedElement() { }
private:
WeakPtr<HTMLFormElement> m_form;
};
}

2
Userland/Libraries/LibWeb/HTML/HTMLFormElement.h
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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

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);
}
}

10
Userland/Libraries/LibWeb/HTML/HTMLInputElement.h
View file

@ -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
@ -26,11 +26,14 @@
#pragma once
#include <LibWeb/HTML/FormAssociatedElement.h>
#include <LibWeb/HTML/HTMLElement.h>
namespace Web::HTML {
class HTMLInputElement final : public HTMLElement {
class HTMLInputElement final
: public HTMLElement
, public FormAssociatedElement {
public:
using WrapperType = Bindings::HTMLInputElementWrapper;
@ -54,6 +57,9 @@ public:
void did_click_button(Badge<Layout::ButtonBox>);
private:
virtual void inserted() override;
virtual void removed_from(Node*) override;
void create_shadow_tree_if_needed();
RefPtr<DOM::Text> m_text_node;

2
Userland/Libraries/LibWeb/HTML/HTMLInputElement.idl
View file

@ -1,5 +1,7 @@
interface HTMLInputElement : HTMLElement {
readonly attribute HTMLFormElement? form;
[Reflect] attribute DOMString accept;
[Reflect] attribute DOMString alt;
[Reflect] attribute DOMString max;