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https://github.com/LadybirdBrowser/ladybird.git
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2645695fdd
Previously, the active document's lifecycle was bound to SessionHistoryEntry via DocumentState. The ownership chain was: Navigable → SessionHistoryEntry → DocumentState → Document This made it impossible to move SessionHistoryEntry to the UI process (which cannot own DOM::Document). This commit decouples the two by giving Navigable a direct m_active_document field that serves as the authoritative source for active_document(). - Navigable owns m_active_document directly; active_document() reads from it instead of going through the active session history entry. - DocumentState no longer holds a Document pointer. Instead, it stores a document_id for "same document?" checks. Same-document navigations share a DocumentState and thus the same document_id, while cross-document navigations create a new DocumentState with a new ID. - A pending_document parameter is threaded through finalize_a_cross_document_navigation → apply_the_push_or_replace → apply_the_history_step so the newly created document reaches activation without being stored on DocumentState. - For traversal, the population output delivers the document. A resolved_document is computed per continuation from either the pending document, the population output, or the current active document (for same-document traversals).
118 lines
5.5 KiB
C++
118 lines
5.5 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@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 <LibJS/Heap/Cell.h>
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#include <LibURL/Origin.h>
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#include <LibURL/URL.h>
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#include <LibWeb/Fetch/Infrastructure/HTTP/Requests.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/POSTResource.h>
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#include <LibWeb/HTML/PolicyContainers.h>
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#include <LibWeb/ReferrerPolicy/ReferrerPolicy.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-2
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class DocumentState final : public JS::Cell {
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GC_CELL(DocumentState, JS::Cell);
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GC_DECLARE_ALLOCATOR(DocumentState);
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public:
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struct NestedHistory {
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String id;
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Vector<GC::Ref<SessionHistoryEntry>> entries;
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};
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virtual ~DocumentState();
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enum class Client {
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Tag,
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};
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[[nodiscard]] Optional<UniqueNodeID> document_id() const { return m_document_id; }
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void set_document_id(Optional<UniqueNodeID> document_id) { m_document_id = document_id; }
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[[nodiscard]] Variant<GC::Ref<PolicyContainer>, Client> history_policy_container() const { return m_history_policy_container; }
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void set_history_policy_container(Variant<GC::Ref<PolicyContainer>, Client> history_policy_container) { m_history_policy_container = move(history_policy_container); }
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[[nodiscard]] Fetch::Infrastructure::Request::ReferrerType request_referrer() const { return m_request_referrer; }
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void set_request_referrer(Fetch::Infrastructure::Request::ReferrerType request_referrer) { m_request_referrer = move(request_referrer); }
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[[nodiscard]] ReferrerPolicy::ReferrerPolicy request_referrer_policy() const { return m_request_referrer_policy; }
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void set_request_referrer_policy(ReferrerPolicy::ReferrerPolicy request_referrer_policy) { m_request_referrer_policy = move(request_referrer_policy); }
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[[nodiscard]] Optional<URL::Origin> initiator_origin() const { return m_initiator_origin; }
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void set_initiator_origin(Optional<URL::Origin> initiator_origin) { m_initiator_origin = move(initiator_origin); }
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[[nodiscard]] Optional<URL::Origin> origin() const { return m_origin; }
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void set_origin(Optional<URL::Origin> origin) { m_origin = move(origin); }
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[[nodiscard]] Optional<URL::URL> const& about_base_url() const { return m_about_base_url; }
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void set_about_base_url(Optional<URL::URL> url) { m_about_base_url = move(url); }
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[[nodiscard]] Vector<NestedHistory> const& nested_histories() const { return m_nested_histories; }
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[[nodiscard]] Vector<NestedHistory>& nested_histories() { return m_nested_histories; }
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[[nodiscard]] Variant<Empty, String, POSTResource> resource() const { return m_resource; }
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void set_resource(Variant<Empty, String, POSTResource> resource) { m_resource = move(resource); }
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[[nodiscard]] bool reload_pending() const { return m_reload_pending; }
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void set_reload_pending(bool reload_pending) { m_reload_pending = reload_pending; }
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[[nodiscard]] bool ever_populated() const { return m_ever_populated; }
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void set_ever_populated(bool ever_populated) { m_ever_populated = ever_populated; }
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[[nodiscard]] String navigable_target_name() const { return m_navigable_target_name; }
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void set_navigable_target_name(String navigable_target_name) { m_navigable_target_name = navigable_target_name; }
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private:
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DocumentState();
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void visit_edges(Cell::Visitor&) override;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-document
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// NOTE: We store the document's unique ID rather than a pointer to the document, because DocumentState is
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// decoupled from the document's lifetime (Navigable owns the document directly).
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Optional<UniqueNodeID> m_document_id;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-history-policy-container
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Variant<GC::Ref<PolicyContainer>, Client> m_history_policy_container { Client::Tag };
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-request-referrer
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Fetch::Infrastructure::Request::ReferrerType m_request_referrer { Fetch::Infrastructure::Request::Referrer::Client };
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-request-referrer-policy
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ReferrerPolicy::ReferrerPolicy m_request_referrer_policy { ReferrerPolicy::DEFAULT_REFERRER_POLICY };
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-initiator-origin
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Optional<URL::Origin> m_initiator_origin;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-origin
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Optional<URL::Origin> m_origin;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-about-base-url
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Optional<URL::URL> m_about_base_url = {};
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-nested-histories
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Vector<NestedHistory> m_nested_histories;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-resource
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Variant<Empty, String, POSTResource> m_resource {};
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-reload-pending
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bool m_reload_pending { false };
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-ever-populated
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bool m_ever_populated { false };
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#document-state-nav-target-name
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String m_navigable_target_name;
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};
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}
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