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126 lines
4.1 KiB
C++
126 lines
4.1 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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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/Function.h>
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#include <LibWeb/DOM/DocumentLoadEventDelayer.h>
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#include <LibWeb/HTML/HTMLElement.h>
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#include <LibWeb/HTML/Scripting/Script.h>
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#include <LibWeb/Loader/Resource.h>
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namespace Web::HTML {
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class HTMLScriptElement final
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: public HTMLElement
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, public ResourceClient {
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WEB_PLATFORM_OBJECT(HTMLScriptElement, HTMLElement);
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public:
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virtual ~HTMLScriptElement() override;
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bool is_force_async() const { return m_force_async; }
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bool is_ready_to_be_parser_executed() const { return m_ready_to_be_parser_executed; }
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bool failed_to_load() const { return m_failed_to_load; }
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template<OneOf<XMLDocumentBuilder, HTMLParser> T>
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void set_parser_document(Badge<T>, DOM::Document& document) { m_parser_document = &document; }
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template<OneOf<XMLDocumentBuilder, HTMLParser> T>
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void set_force_async(Badge<T>, bool b) { m_force_async = b; }
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template<OneOf<XMLDocumentBuilder, HTMLParser> T>
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void set_already_started(Badge<T>, bool b) { m_already_started = b; }
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template<OneOf<XMLDocumentBuilder, HTMLParser> T>
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void prepare_script(Badge<T>) { prepare_script(); }
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void execute_script();
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bool is_parser_inserted() const { return !!m_parser_document; }
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virtual void inserted() override;
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// https://html.spec.whatwg.org/multipage/scripting.html#dom-script-supports
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static bool supports(JS::VM&, DeprecatedString const& type)
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{
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return type.is_one_of("classic", "module");
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}
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void set_source_line_number(Badge<HTMLParser>, size_t source_line_number) { m_source_line_number = source_line_number; }
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void unmark_as_already_started(Badge<DOM::Range>);
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void unmark_as_parser_inserted(Badge<DOM::Range>);
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private:
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HTMLScriptElement(DOM::Document&, DOM::QualifiedName);
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virtual void resource_did_load() override;
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virtual void resource_did_fail() override;
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virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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// https://html.spec.whatwg.org/multipage/scripting.html#prepare-the-script-element
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void prepare_script();
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void begin_delaying_document_load_event(DOM::Document&);
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struct ResultState {
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struct Uninitialized { };
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struct Null { };
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};
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using Result = Variant<ResultState::Uninitialized, ResultState::Null, JS::NonnullGCPtr<HTML::Script>>;
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// https://html.spec.whatwg.org/multipage/scripting.html#mark-as-ready
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void mark_as_ready(Result);
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// https://html.spec.whatwg.org/multipage/scripting.html#parser-document
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JS::GCPtr<DOM::Document> m_parser_document;
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// https://html.spec.whatwg.org/multipage/scripting.html#preparation-time-document
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JS::GCPtr<DOM::Document> m_preparation_time_document;
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// https://html.spec.whatwg.org/multipage/scripting.html#script-force-async
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bool m_force_async { false };
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// https://html.spec.whatwg.org/multipage/scripting.html#already-started
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bool m_already_started { false };
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// https://html.spec.whatwg.org/multipage/scripting.html#concept-script-external
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bool m_from_an_external_file { false };
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bool m_script_ready { false };
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// https://html.spec.whatwg.org/multipage/scripting.html#ready-to-be-parser-executed
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bool m_ready_to_be_parser_executed { false };
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bool m_failed_to_load { false };
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enum class ScriptType {
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Null,
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Classic,
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Module,
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ImportMap,
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};
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// https://html.spec.whatwg.org/multipage/scripting.html#concept-script-type
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ScriptType m_script_type { ScriptType::Null };
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// https://html.spec.whatwg.org/multipage/scripting.html#steps-to-run-when-the-result-is-ready
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Function<void()> m_steps_to_run_when_the_result_is_ready;
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// https://html.spec.whatwg.org/multipage/scripting.html#concept-script-result
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Result m_result { ResultState::Uninitialized {} };
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// https://html.spec.whatwg.org/multipage/scripting.html#concept-script-delay-load
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Optional<DOM::DocumentLoadEventDelayer> m_document_load_event_delayer;
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size_t m_source_line_number { 1 };
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};
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}
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