ed13793110
And fire the "input" event upon change. This is needed to submit a comment on GitHub; otherwise, GitHub thinks the textarea value is empty.
134 lines
4.4 KiB
C++
134 lines
4.4 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
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* Copyright (c) 2024, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/ARIA/Roles.h>
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#include <LibWeb/DOM/Text.h>
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#include <LibWeb/HTML/FormAssociatedElement.h>
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#include <LibWeb/HTML/HTMLElement.h>
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#include <LibWeb/Platform/Timer.h>
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#include <LibWeb/WebIDL/Types.h>
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namespace Web::HTML {
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class HTMLTextAreaElement final
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: public HTMLElement
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, public FormAssociatedElement
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, public DOM::EditableTextNodeOwner {
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WEB_PLATFORM_OBJECT(HTMLTextAreaElement, HTMLElement);
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JS_DECLARE_ALLOCATOR(HTMLTextAreaElement);
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FORM_ASSOCIATED_ELEMENT(HTMLElement, HTMLTextAreaElement)
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public:
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virtual ~HTMLTextAreaElement() override;
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virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
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String const& type() const
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{
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static String const textarea = "textarea"_string;
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return textarea;
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}
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// ^DOM::EditableTextNodeOwner
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virtual void did_edit_text_node(Badge<BrowsingContext>) override;
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// ^EventTarget
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// https://html.spec.whatwg.org/multipage/interaction.html#the-tabindex-attribute:the-textarea-element
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virtual bool is_focusable() const override { return true; }
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virtual void did_lose_focus() override;
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virtual void did_receive_focus() override;
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// ^FormAssociatedElement
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// https://html.spec.whatwg.org/multipage/forms.html#category-listed
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virtual bool is_listed() const override { return true; }
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// https://html.spec.whatwg.org/multipage/forms.html#category-submit
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virtual bool is_submittable() const override { return true; }
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// https://html.spec.whatwg.org/multipage/forms.html#category-reset
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virtual bool is_resettable() const override { return true; }
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// https://html.spec.whatwg.org/multipage/forms.html#category-autocapitalize
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virtual bool is_auto_capitalize_inheriting() const override { return true; }
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// https://html.spec.whatwg.org/multipage/forms.html#category-label
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virtual bool is_labelable() const override { return true; }
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virtual void reset_algorithm() override;
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virtual void form_associated_element_was_inserted() override;
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virtual void form_associated_element_was_removed(DOM::Node*) override;
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virtual void form_associated_element_attribute_changed(FlyString const&, Optional<String> const&) override;
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virtual void children_changed() override;
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// https://www.w3.org/TR/html-aria/#el-textarea
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virtual Optional<ARIA::Role> default_role() const override { return ARIA::Role::textbox; }
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String default_value() const;
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void set_default_value(String const&);
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String value() const override;
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void set_value(String const&);
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u32 text_length() const;
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bool check_validity();
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bool report_validity();
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void set_custom_validity(String const& error);
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WebIDL::Long max_length() const;
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WebIDL::ExceptionOr<void> set_max_length(WebIDL::Long);
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WebIDL::Long min_length() const;
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WebIDL::ExceptionOr<void> set_min_length(WebIDL::Long);
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unsigned cols() const;
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WebIDL::ExceptionOr<void> set_cols(unsigned);
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unsigned rows() const;
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WebIDL::ExceptionOr<void> set_rows(unsigned);
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private:
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HTMLTextAreaElement(DOM::Document&, DOM::QualifiedName);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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// ^DOM::Element
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virtual i32 default_tab_index_value() const override;
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void create_shadow_tree_if_needed();
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void handle_readonly_attribute(Optional<String> const& value);
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void handle_maxlength_attribute();
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void queue_firing_input_event();
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void update_placeholder_visibility();
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JS::GCPtr<DOM::Element> m_placeholder_element;
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JS::GCPtr<DOM::Text> m_placeholder_text_node;
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JS::GCPtr<DOM::Element> m_inner_text_element;
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JS::GCPtr<DOM::Text> m_text_node;
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RefPtr<Web::Platform::Timer> m_input_event_timer;
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// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#concept-fe-dirty
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bool m_dirty_value { false };
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// https://html.spec.whatwg.org/multipage/form-elements.html#the-textarea-element:concept-fe-mutable
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bool m_is_mutable { true };
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// https://html.spec.whatwg.org/multipage/form-elements.html#concept-textarea-raw-value
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String m_raw_value;
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};
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}
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