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ce81f16530
With apply_to() now self-contained (carrying its own replacement DocumentState rather than reading from the live entry), the clone at the traversal call site is no longer needed. The clone previously served two purposes: 1. Input snapshot: freeze entry fields before deferred population. Now solved by changing populate_session_history_entry_document() to take explicit input parameters, snapshotted before the deferred_invoke. 2. Output isolation: absorb apply_to() and post-population adjustments without mutating the live entry during unload. Now solved by storing the PopulateSessionHistoryEntryDocumentOutput on the continuation state and deferring all mutations (including the origin-based classic_history_api_state reset and navigable_target_name clear) to after_potential_unload. The post-population adjustments run unconditionally in after_potential_unload, covering both the population path and the non-population path (e.g. traversal to an already-populated error entry).
116 lines
5.3 KiB
C++
116 lines
5.3 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]] GC::Ptr<DOM::Document> document() const { return m_document; }
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void set_document(GC::Ptr<DOM::Document> document) { m_document = document; }
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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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GC::Ptr<DOM::Document> m_document;
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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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