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			146 lines
		
	
	
	
		
			4.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			146 lines
		
	
	
	
		
			4.7 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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| 
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| #pragma once
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| 
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| #include <LibCore/Timer.h>
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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/WebIDL/Types.h>
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| 
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| namespace Web::HTML {
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| 
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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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| 
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| public:
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|     virtual ~HTMLTextAreaElement() override;
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| 
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|     virtual void adjust_computed_style(CSS::StyleProperties&) override;
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| 
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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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| 
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|     // ^DOM::EditableTextNodeOwner
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|     virtual void did_edit_text_node(Badge<Navigable>) override;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     virtual void reset_algorithm() override;
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| 
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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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| 
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|     virtual void children_changed() override;
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| 
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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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| 
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|     String default_value() const;
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|     void set_default_value(String const&);
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| 
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|     String value() const override;
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|     void set_value(String const&);
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| 
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|     u32 text_length() const;
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| 
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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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| 
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|     WebIDL::UnsignedLong selection_start() const;
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|     WebIDL::ExceptionOr<void> set_selection_start(WebIDL::UnsignedLong);
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| 
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|     WebIDL::UnsignedLong selection_end() const;
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|     WebIDL::ExceptionOr<void> set_selection_end(WebIDL::UnsignedLong);
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| 
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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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| 
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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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| 
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|     unsigned cols() const;
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|     WebIDL::ExceptionOr<void> set_cols(unsigned);
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| 
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|     unsigned rows() const;
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|     WebIDL::ExceptionOr<void> set_rows(unsigned);
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| 
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| private:
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|     HTMLTextAreaElement(DOM::Document&, DOM::QualifiedName);
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| 
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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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| 
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|     void set_raw_value(String);
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|     String api_value() const;
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| 
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|     // ^DOM::Element
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|     virtual i32 default_tab_index_value() const override;
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| 
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|     void create_shadow_tree_if_needed();
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| 
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|     void handle_readonly_attribute(Optional<String> const& value);
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|     void handle_maxlength_attribute();
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| 
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|     void queue_firing_input_event();
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| 
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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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| 
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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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| 
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|     RefPtr<Core::Timer> m_input_event_timer;
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| 
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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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| 
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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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| 
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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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|     // https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#concept-fe-api-value
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|     mutable Optional<String> m_api_value;
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| };
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| 
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| }
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