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https://github.com/RGBCube/serenity
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602f927982
The way we've been creating DOM::Document has been pretty far from what the spec tells us to do, and this is a first big step towards getting us closer to spec. The new Document::create_and_initialize() is called by FrameLoader after loading a "text/html" resource. We create the JS Realm and the Window object when creating the Document (previously, we'd do it on first access to Document::interpreter().) The realm execution context is owned by the Environment Settings Object.
131 lines
5 KiB
C++
131 lines
5 KiB
C++
/*
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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* Copyright (c) 2022, Linus Groh <linusg@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/URL.h>
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#include <LibJS/Runtime/ExecutionContext.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/Realm.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/EventLoop/EventLoop.h>
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#include <LibWeb/HTML/Origin.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/webappapis.html#environment
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struct Environment {
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// FIXME: An id https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-id
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-creation-url
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AK::URL creation_url;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-top-level-creation-url
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AK::URL top_level_creation_url;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-top-level-origin
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Origin top_level_origin;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-target-browsing-context
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RefPtr<BrowsingContext> target_browsing_context;
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// FIXME: An active service worker https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-active-service-worker
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-execution-ready-flag
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bool execution_ready { false };
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};
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enum class CanUseCrossOriginIsolatedAPIs {
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No,
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Yes,
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};
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enum class RunScriptDecision {
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Run,
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DoNotRun,
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};
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// https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object
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struct EnvironmentSettingsObject
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: public Environment
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, public JS::Realm::HostDefined {
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virtual ~EnvironmentSettingsObject() override;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-environment-target-browsing-context
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JS::ExecutionContext& realm_execution_context();
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// FIXME: A module map https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-module-map
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// https://html.spec.whatwg.org/multipage/webappapis.html#responsible-document
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virtual RefPtr<DOM::Document> responsible_document() = 0;
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// https://html.spec.whatwg.org/multipage/webappapis.html#api-url-character-encoding
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virtual String api_url_character_encoding() = 0;
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// https://html.spec.whatwg.org/multipage/webappapis.html#api-base-url
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virtual AK::URL api_base_url() = 0;
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-origin
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virtual Origin origin() = 0;
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// FIXME: A policy container https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-policy-container
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// https://html.spec.whatwg.org/multipage/webappapis.html#concept-settings-object-cross-origin-isolated-capability
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virtual CanUseCrossOriginIsolatedAPIs cross_origin_isolated_capability() = 0;
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JS::Realm& realm();
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JS::GlobalObject& global_object();
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EventLoop& responsible_event_loop();
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RunScriptDecision can_run_script();
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void prepare_to_run_script();
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void clean_up_after_running_script();
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void prepare_to_run_callback();
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void clean_up_after_running_callback();
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void push_onto_outstanding_rejected_promises_weak_set(JS::Promise*);
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// Returns true if removed, false otherwise.
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bool remove_from_outstanding_rejected_promises_weak_set(JS::Promise*);
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void push_onto_about_to_be_notified_rejected_promises_list(JS::Handle<JS::Promise>);
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// Returns true if removed, false otherwise.
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bool remove_from_about_to_be_notified_rejected_promises_list(JS::Promise*);
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void notify_about_rejected_promises(Badge<EventLoop>);
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bool is_scripting_enabled() const;
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bool is_scripting_disabled() const;
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protected:
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explicit EnvironmentSettingsObject(NonnullOwnPtr<JS::ExecutionContext>);
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private:
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NonnullOwnPtr<JS::ExecutionContext> m_realm_execution_context;
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EventLoop* m_responsible_event_loop { nullptr };
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// https://html.spec.whatwg.org/multipage/webappapis.html#outstanding-rejected-promises-weak-set
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// The outstanding rejected promises weak set must not create strong references to any of its members, and implementations are free to limit its size, e.g. by removing old entries from it when new ones are added.
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Vector<JS::Promise*> m_outstanding_rejected_promises_weak_set;
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// https://html.spec.whatwg.org/multipage/webappapis.html#about-to-be-notified-rejected-promises-list
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Vector<JS::Handle<JS::Promise>> m_about_to_be_notified_rejected_promises_list;
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};
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EnvironmentSettingsObject& incumbent_settings_object();
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JS::Realm& incumbent_realm();
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JS::GlobalObject& incumbent_global_object();
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EnvironmentSettingsObject& current_settings_object();
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JS::GlobalObject& current_global_object();
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JS::Realm& relevant_realm(JS::Object const&);
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EnvironmentSettingsObject& relevant_settings_object(JS::Object const&);
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JS::GlobalObject& relevant_global_object(JS::Object const&);
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}
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