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9f01eebff3
This change adds a virtual to_element function to ARIAMixin, and overrides it in DOM::Element so it can then be used back inside ARIAMixin to get an element when needed (for example, when computing a role requires checking the roles of ancestors of an element).
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*
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* Copyright (c) 2022, Jonah Shafran <jonahshafran@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 <AK/String.h>
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#include <AK/Vector.h>
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#include <LibWeb/ARIA/AriaData.h>
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#include <LibWeb/ARIA/AttributeNames.h>
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#include <LibWeb/ARIA/Roles.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::ARIA {
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class ARIAMixin {
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public:
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virtual ~ARIAMixin() = default;
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#define __ENUMERATE_ARIA_ATTRIBUTE(name, attribute) \
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virtual Optional<String> name() const = 0; \
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virtual WebIDL::ExceptionOr<void> set_##name(Optional<String> const&) = 0;
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ENUMERATE_ARIA_ATTRIBUTES
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#undef __ENUMERATE_ARIA_ATTRIBUTE
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// https://www.w3.org/TR/html-aria/#docconformance
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virtual Optional<Role> default_role() const { return {}; }
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virtual DOM::Element const* to_element() const { return {}; }
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Optional<Role> role_from_role_attribute_value() const;
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Optional<Role> role_or_default() const;
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// https://www.w3.org/TR/wai-aria-1.2/#tree_exclusion
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virtual bool exclude_from_accessibility_tree() const = 0;
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// https://www.w3.org/TR/wai-aria-1.2/#tree_inclusion
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virtual bool include_in_accessibility_tree() const = 0;
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bool has_global_aria_attribute() const;
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// https://www.w3.org/TR/wai-aria-1.2/#valuetype_idref
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Optional<String> parse_id_reference(Optional<String> const&) const;
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// https://www.w3.org/TR/wai-aria-1.2/#valuetype_idref_list
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Vector<String> parse_id_reference_list(Optional<String> const&) const;
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protected:
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ARIAMixin() = default;
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virtual bool id_reference_exists(String const&) const = 0;
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};
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}
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