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LibWeb: Implement "attempt to populate the history entry's document"
Implements: https://html.spec.whatwg.org/multipage/browsing-the-web.html#attempt-to-populate-the-history-entry's-document This is going to be a replacement for `FrameLoader::load()` after switching to navigables. Brief description of `populate_session_history_entry_document`: - If navigation params have url with fetch scheme then DOM document will be populated by fetching url and parsing response. This is going to be a replacement for `FrameLoader::load(AK::URL&)`. - If url in navigation params is abort:srcdoc then DOM document will be populated by parsing HTML text passed in document resource. This is going to be a replacement for `FrameLoader::load_html()`
This commit is contained in:
parent
804af38a96
commit
de2c016556
Notes:
sideshowbarker
2024-07-16 23:34:44 +09:00
Author: https://github.com/kalenikaliaksandr Commit: https://github.com/SerenityOS/serenity/commit/de2c016556 Pull-request: https://github.com/SerenityOS/serenity/pull/18601 Reviewed-by: https://github.com/awesomekling
@ -470,6 +470,8 @@ public:
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void make_active();
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void set_salvageable(bool value) { m_salvageable = value; };
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protected:
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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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@ -13,6 +13,7 @@
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#include <LibTextCodec/Decoder.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/DocumentLoading.h>
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#include <LibWeb/HTML/Navigable.h>
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#include <LibWeb/HTML/NavigationParams.h>
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#include <LibWeb/HTML/Parser/HTMLEncodingDetection.h>
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#include <LibWeb/HTML/Parser/HTMLParser.h>
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@ -201,4 +202,100 @@ bool parse_document(DOM::Document& document, ByteBuffer const& data)
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return false;
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}
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#loading-a-document
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JS::GCPtr<DOM::Document> load_document(Optional<HTML::NavigationParams> navigation_params)
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{
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VERIFY(navigation_params.has_value());
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auto document = DOM::Document::create_and_initialize(DOM::Document::Type::HTML, "text/html", *navigation_params).release_value_but_fixme_should_propagate_errors();
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auto& realm = document->realm();
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if (navigation_params->response->body().has_value()) {
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auto process_body = [navigation_params, document](ByteBuffer bytes) {
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if (!parse_document(*document, bytes)) {
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// FIXME: Load html page with an error if parsing failed.
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TODO();
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}
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};
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auto process_body_error = [](auto&) {
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// FIXME: Load html page with an error if read of body failed.
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TODO();
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};
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navigation_params->response->body()->fully_read(
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realm,
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move(process_body),
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move(process_body_error),
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JS::NonnullGCPtr { realm.global_object() })
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.release_value_but_fixme_should_propagate_errors();
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}
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return document;
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}
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// https://html.spec.whatwg.org/multipage/document-lifecycle.html#read-ua-inline
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JS::GCPtr<DOM::Document> create_document_for_inline_content(JS::GCPtr<HTML::Navigable> navigable, Optional<String> navigation_id, StringView content_html)
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{
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auto& vm = navigable->vm();
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// 1. Let origin be a new opaque origin.
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HTML::Origin origin {};
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// 2. Let coop be a new cross-origin opener policy.
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auto coop = HTML::CrossOriginOpenerPolicy {};
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// 3. Let coopEnforcementResult be a new cross-origin opener policy enforcement result with
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// url: response's URL
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// origin: origin
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// cross-origin opener policy: coop
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HTML::CrossOriginOpenerPolicyEnforcementResult coop_enforcement_result {
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.url = AK::URL("about:error"), // AD-HOC
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.origin = origin,
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.cross_origin_opener_policy = coop
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};
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// 4. Let navigationParams be a new navigation params with
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// id: navigationId
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// request: null
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// response: a new response
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// origin: origin
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// policy container: a new policy container
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// final sandboxing flag set: an empty set
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// cross-origin opener policy: coop
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// COOP enforcement result: coopEnforcementResult
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// reserved environment: null
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// navigable: navigable
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// FIXME: navigation timing type: navTimingType
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// FIXME: fetch controller: fetch controller
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// FIXME: commit early hints: null
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auto response = Fetch::Infrastructure::Response::create(vm);
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response->url_list().append(AK::URL("about:error")); // AD-HOC: https://github.com/whatwg/html/issues/9122
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HTML::NavigationParams navigation_params {
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.id = navigation_id,
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.request = {},
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.response = *response,
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.origin = move(origin),
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.policy_container = HTML::PolicyContainer {},
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.final_sandboxing_flag_set = HTML::SandboxingFlagSet {},
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.cross_origin_opener_policy = move(coop),
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.coop_enforcement_result = move(coop_enforcement_result),
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.reserved_environment = {},
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.browsing_context = navigable->active_browsing_context(),
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.navigable = navigable,
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};
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// 5. Let document be the result of creating and initializing a Document object given "html", "text/html", and navigationParams.
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auto document = DOM::Document::create_and_initialize(DOM::Document::Type::HTML, "text/html", navigation_params).release_value_but_fixme_should_propagate_errors();
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// 6. Either associate document with a custom rendering that is not rendered using the normal Document rendering rules, or mutate document until it represents the content the
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// user agent wants to render.
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auto parser = HTML::HTMLParser::create(document, content_html, "utf-8");
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parser->run(AK::URL("about:error"));
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// 7. Return document.
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return document;
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}
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}
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@ -12,5 +12,7 @@
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namespace Web {
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bool parse_document(DOM::Document& document, ByteBuffer const& data);
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JS::GCPtr<DOM::Document> load_document(Optional<HTML::NavigationParams> navigation_params);
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JS::GCPtr<DOM::Document> create_document_for_inline_content(JS::GCPtr<HTML::Navigable> navigable, Optional<String> navigation_id, StringView content_html);
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}
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@ -7,9 +7,15 @@
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#include <LibWeb/Crypto/Crypto.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/DocumentLoading.h>
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#include <LibWeb/Fetch/Fetching/Fetching.h>
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#include <LibWeb/Fetch/Infrastructure/FetchAlgorithms.h>
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#include <LibWeb/Fetch/Infrastructure/FetchController.h>
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#include <LibWeb/Fetch/Infrastructure/URL.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/DocumentState.h>
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#include <LibWeb/HTML/Navigable.h>
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#include <LibWeb/HTML/NavigationParams.h>
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#include <LibWeb/HTML/SessionHistoryEntry.h>
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#include <LibWeb/HTML/TraversableNavigable.h>
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#include <LibWeb/Platform/EventLoopPlugin.h>
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@ -218,6 +224,134 @@ Vector<JS::NonnullGCPtr<SessionHistoryEntry>>& Navigable::get_session_history_en
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VERIFY_NOT_REACHED();
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}
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#attempt-to-populate-the-history-entry's-document
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WebIDL::ExceptionOr<void> Navigable::populate_session_history_entry_document(JS::GCPtr<SessionHistoryEntry> entry, Optional<NavigationParams> navigation_params, Optional<String> navigation_id, SourceSnapshotParams const& source_snapshot_params, Function<void()> completion_steps)
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{
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// FIXME: 1. Assert: this is running in parallel.
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// 2. Assert: if navigationParams is non-null, then navigationParams's response is non-null.
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if (navigation_params.has_value())
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VERIFY(navigation_params->response);
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// 3. Let currentBrowsingContext be navigable's active browsing context.
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[[maybe_unused]] auto current_browsing_context = active_browsing_context();
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// 4. Let documentResource be entry's document state's resource.
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auto document_resource = entry->document_state->resource();
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// 5. If navigationParams is null, then:
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if (!navigation_params.has_value()) {
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// 1. If documentResource is a string, then set navigationParams to the result
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// of creating navigation params from a srcdoc resource given entry, navigable,
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// targetSnapshotParams, navigationId, and navTimingType.
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if (document_resource.has<String>()) {
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TODO();
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}
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// 2. Otherwise, if both of the following are true:
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// - entry's URL's scheme is a fetch scheme; and
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// - documentResource is null, FIXME: or allowPOST is true and documentResource's request body is not failure
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else if (Fetch::Infrastructure::is_fetch_scheme(entry->url.scheme()) && document_resource.has<Empty>()) {
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TODO();
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}
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// FIXME: 3. Otherwise, if entry's URL's scheme is not a fetch scheme, then set navigationParams to a new non-fetch scheme navigation params, with
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// initiator origin: entry's document state's initiator origin
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else {
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TODO();
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}
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}
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// 6. Queue a global task on the navigation and traversal task source, given navigable's active window, to run these steps:
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queue_global_task(Task::Source::NavigationAndTraversal, *active_window(), [this, entry, navigation_params, navigation_id, completion_steps = move(completion_steps)] {
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// 1. If navigable's ongoing navigation no longer equals navigationId, then run completionSteps and return.
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if (navigation_id.has_value() && (!ongoing_navigation().has<String>() || ongoing_navigation().get<String>() != *navigation_id)) {
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completion_steps();
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return;
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}
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// 2. Let failure be false.
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auto failure = false;
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// FIXME: 3. If navigationParams is a non-fetch scheme navigation params, then set entry's document state's document to the result of running attempt to create a non-fetch
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// scheme document given entry's URL, navigable, targetSnapshotParams's sandboxing flags, navigationId, navTimingType, sourceSnapshotParams's has transient
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// activation, and navigationParams's initiator origin.
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// 4. Otherwise, if navigationParams is null, then set failure to true.
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if (!navigation_params.has_value()) {
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failure = true;
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}
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// FIXME: 5. Otherwise, if the result of should navigation response to navigation request of type in target be blocked by Content Security Policy? given navigationParams's request,
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// navigationParams's response, navigationParams's policy container's CSP list, cspNavigationType, and navigable is "Blocked", then set failure to true.
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// FIXME: 6. Otherwise, if navigationParams's reserved environment is non-null and the result of checking a navigation response's adherence to its embedder policy given
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// navigationParams's response, navigable, and navigationParams's policy container's embedder policy is false, then set failure to true.
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// 8. If failure is true, then:
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if (failure) {
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// 1. Set entry's document state's document to the result of creating a document for inline content that doesn't have a DOM, given navigable, null, and navTimingType.
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// The inline content should indicate to the user the sort of error that occurred.
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// FIXME: Use SourceGenerator to produce error page from file:///res/html/error.html
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// and display actual error from fetch response.
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auto error_html = String::formatted("<h1>Failed to load {}</h1>"sv, entry->url).release_value_but_fixme_should_propagate_errors();
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entry->document_state->set_document(create_document_for_inline_content(this, navigation_id, error_html));
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// 2. Set entry's document state's document's salvageable to false.
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entry->document_state->document()->set_salvageable(false);
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// FIXME: 3. If navigationParams is not null, then:
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if (navigation_params.has_value()) {
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TODO();
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}
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}
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// FIXME: 9. Otherwise, if navigationParams's response's status is 204 or 205, then:
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else if (navigation_params->response->status() == 204 || navigation_params->response->status() == 205) {
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// 1. Run completionSteps.
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completion_steps();
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// 2. Return.
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return;
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}
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// FIXME: 10. Otherwise, if navigationParams's response has a `Content-Disposition`
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// header specifying the attachment disposition type, then:
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// 11. Otherwise:
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else {
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// 1. Let document be the result of loading a document given navigationParams, sourceSnapshotParams,
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// and entry's document state's initiator origin.
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auto document = load_document(navigation_params);
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// 2. If document is null, then run completionSteps and return.
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if (!document) {
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VERIFY_NOT_REACHED();
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completion_steps();
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return;
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}
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// 3. Set entry's document state's document to document.
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entry->document_state->set_document(document.ptr());
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// 4. Set entry's document state's origin to document's origin.
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entry->document_state->set_origin(document->origin());
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}
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// FIXME: 12. If entry's document state's request referrer is "client", then set it to request's referrer.
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// 13. If entry's document state's document is not null, then set entry's document state's ever populated to true.
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if (entry->document_state->document()) {
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entry->document_state->set_ever_populated(true);
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}
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// 14. Run completionSteps.
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completion_steps();
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(void)this;
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});
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(void)source_snapshot_params;
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return {};
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}
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// To navigate a navigable navigable to a URL url using a Document sourceDocument,
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// with an optional POST resource, string, or null documentResource (default null),
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// an optional response-or-null response (default null), an optional boolean exceptionsEnabled (default false),
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@ -11,6 +11,7 @@
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/HistoryHandlingBehavior.h>
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#include <LibWeb/HTML/POSTResource.h>
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#include <LibWeb/HTML/SourceSnapshotParams.h>
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namespace Web::HTML {
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@ -60,6 +61,8 @@ public:
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Variant<Empty, Traversal, String> ongoing_navigation() const { return m_ongoing_navigation; }
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WebIDL::ExceptionOr<void> populate_session_history_entry_document(JS::GCPtr<SessionHistoryEntry>, Optional<NavigationParams>, Optional<String> navigation_id, SourceSnapshotParams const&, Function<void()>);
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WebIDL::ExceptionOr<void> navigate(
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AK::URL const&,
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JS::NonnullGCPtr<DOM::Document> source_document,
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