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LibWeb: Add assorted AOs related to populating the navigation API's SHEs
This commit is contained in:
Andrew Kaster
Alexander Kalenik
parent
49e0466a3d
commit
a8091c009b
Notes:
sideshowbarker
2024-07-17 11:30:05 +09:00
Author: https://github.com/ADKaster
Commit: a8091c009b
Pull-request: https://github.com/SerenityOS/serenity/pull/22850
6 changed files with 246 additions and 1 deletions
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@ -148,7 +148,7 @@ WebIDL::ExceptionOr<void> Navigation::update_current_entry(NavigationUpdateCurre
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NavigationCurrentEntryChangeEventInit event_init = {};
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event_init.navigation_type = {};
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event_init.from = current;
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dispatch_event(HTML::NavigationCurrentEntryChangeEvent::create(realm(), HTML::EventNames::currententrychange, event_init));
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dispatch_event(HTML::NavigationCurrentEntryChangeEvent::construct_impl(realm(), HTML::EventNames::currententrychange, event_init));
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return {};
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}
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@ -868,6 +868,28 @@ void Navigation::reject_the_finished_promise(JS::NonnullGCPtr<NavigationAPIMetho
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clean_up(api_method_tracker);
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}
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// https://html.spec.whatwg.org/multipage/nav-history-apis.html#notify-about-the-committed-to-entry
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void Navigation::notify_about_the_committed_to_entry(JS::NonnullGCPtr<NavigationAPIMethodTracker> api_method_tracker, JS::NonnullGCPtr<NavigationHistoryEntry> nhe)
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{
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auto& realm = this->realm();
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// 1. Set apiMethodTracker's committed-to entry to nhe.
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api_method_tracker->commited_to_entry = nhe;
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// 2. If apiMethodTracker's serialized state is not null, then set nhe's session history entry's navigation API state to apiMethodTracker's serialized state.'
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// NOTE: If it's null, then we're traversing to nhe via navigation.traverseTo(), which does not allow changing the state.
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if (api_method_tracker->serialized_state.has_value()) {
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// NOTE: At this point, apiMethodTracker's serialized state is no longer needed.
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// Implementations might want to clear it out to avoid keeping it alive for the lifetime of the navigation API method tracker.
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nhe->session_history_entry().navigation_api_state = *api_method_tracker->serialized_state;
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api_method_tracker->serialized_state = {};
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}
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// 3. Resolve apiMethodTracker's committed promise with nhe.
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TemporaryExecutionContext execution_context { relevant_settings_object(*this) };
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WebIDL::resolve_promise(realm, api_method_tracker->committed_promise, nhe);
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}
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// https://html.spec.whatwg.org/multipage/nav-history-apis.html#inner-navigate-event-firing-algorithm
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bool Navigation::inner_navigate_event_firing_algorithm(
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Bindings::NavigationType navigation_type,
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@ -1327,4 +1349,134 @@ bool Navigation::fire_a_download_request_navigate_event(AK::URL destination_url,
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return inner_navigate_event_firing_algorithm(Bindings::NavigationType::Push, destination, user_involvement, {}, move(filename), {});
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}
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// https://html.spec.whatwg.org/multipage/nav-history-apis.html#initialize-the-navigation-api-entries-for-a-new-document
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void Navigation::initialize_the_navigation_api_entries_for_a_new_document(Vector<JS::NonnullGCPtr<SessionHistoryEntry>> const& new_shes, JS::NonnullGCPtr<SessionHistoryEntry> initial_she)
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{
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auto& realm = relevant_realm(*this);
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// 1. Assert: navigation's entry list is empty.
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VERIFY(m_entry_list.is_empty());
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// 2. Assert: navigation's current entry index is −1.
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VERIFY(m_current_entry_index == -1);
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// 3. If navigation has entries and events disabled, then return.
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if (has_entries_and_events_disabled())
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return;
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// 4. For each newSHE of newSHEs:
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for (auto const& new_she : new_shes) {
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// 1. Let newNHE be a new NavigationHistoryEntry created in the relevant realm of navigation.
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// 2. Set newNHE's session history entry to newSHE.
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auto new_nhe = NavigationHistoryEntry::create(realm, new_she);
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// 3. Append newNHE to navigation's entry list.
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m_entry_list.append(new_nhe);
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}
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// 5. Set navigation's current entry index to the result of getting the navigation API entry index of initialSHE within navigation.
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m_current_entry_index = get_the_navigation_api_entry_index(*initial_she);
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}
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// https://html.spec.whatwg.org/multipage/nav-history-apis.html#update-the-navigation-api-entries-for-a-same-document-navigation
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void Navigation::update_the_navigation_api_entries_for_a_same_document_navigation(JS::NonnullGCPtr<SessionHistoryEntry> destination_she, Bindings::NavigationType navigation_type)
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{
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auto& realm = relevant_realm(*this);
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// 1. If navigation has entries and events disabled, then return.
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if (has_entries_and_events_disabled())
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return;
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// 2. Let oldCurrentNHE be the current entry of navigation.
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auto old_current_nhe = current_entry();
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// 3. Let disposedNHEs be a new empty list.
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Vector<JS::NonnullGCPtr<NavigationHistoryEntry>> disposed_nhes;
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// 4. If navigationType is "traverse", then:
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if (navigation_type == Bindings::NavigationType::Traverse) {
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// 1. Set navigation's current entry index to the result of getting the navigation API entry index of destinationSHE within navigation.
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m_current_entry_index = get_the_navigation_api_entry_index(destination_she);
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// 2. Assert: navigation's current entry index is not −1.
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// NOTE: This algorithm is only called for same-document traversals.
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// Cross-document traversals will instead call either initialize the navigation API entries for a new document
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// or update the navigation API entries for reactivation
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VERIFY(m_current_entry_index != -1);
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}
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// 5. Otherwise, if navigationType is "push", then:
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else if (navigation_type == Bindings::NavigationType::Push) {
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// 1. Set navigation's current entry index to navigation's current entry index + 1.
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m_current_entry_index++;
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// 2. Let i be navigation's current entry index.
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auto i = m_current_entry_index;
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// 3. While i < navigation's entry list's size:
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while (i < static_cast<i64>(m_entry_list.size())) {
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// 1. Append navigation's entry list[i] to disposedNHEs.
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disposed_nhes.append(m_entry_list[i]);
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// 2. Set i to i + 1.
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++i;
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}
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// 4. Remove all items in disposedNHEs from navigation's entry list.
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m_entry_list.remove(m_current_entry_index, m_entry_list.size() - m_current_entry_index);
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}
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// 6. Otherwise, if navigationType is "replace", then:
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else if (navigation_type == Bindings::NavigationType::Replace) {
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VERIFY(old_current_nhe != nullptr);
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// 1. Append oldCurrentNHE to disposedNHEs.
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disposed_nhes.append(*old_current_nhe);
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}
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// 7. If navigationType is "push" or "replace", then:
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if (navigation_type == Bindings::NavigationType::Push || navigation_type == Bindings::NavigationType::Replace) {
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// 1. Let newNHE be a new NavigationHistoryEntry created in the relevant realm of navigation.
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// 2. Set newNHE's session history entry to destinationSHE.
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auto new_nhe = NavigationHistoryEntry::create(realm, destination_she);
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VERIFY(m_current_entry_index != -1);
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// 3. Set navigation's entry list[navigation's current entry index] to newNHE.
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if (m_current_entry_index < static_cast<i64>(m_entry_list.size()))
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m_entry_list[m_current_entry_index] = new_nhe;
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else {
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VERIFY(m_current_entry_index == static_cast<i64>(m_entry_list.size()));
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m_entry_list.append(new_nhe);
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}
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}
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// 8. If navigation's ongoing API method tracker is non-null, then notify about the committed-to entry
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// given navigation's ongoing API method tracker and the current entry of navigation.
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// NOTE: It is important to do this before firing the dispose or currententrychange events,
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// since event handlers could start another navigation, or otherwise change the value of
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// navigation's ongoing API method tracker.
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if (m_ongoing_api_method_tracker != nullptr)
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notify_about_the_committed_to_entry(*m_ongoing_api_method_tracker, *current_entry());
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// 9. Prepare to run script given navigation's relevant settings object.
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relevant_settings_object(*this).prepare_to_run_script();
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// 10. Fire an event named currententrychange at navigation using NavigationCurrentEntryChangeEvent,
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// with its navigationType attribute initialized to navigationType and its from initialized to oldCurrentNHE.
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NavigationCurrentEntryChangeEventInit event_init = {};
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event_init.navigation_type = navigation_type;
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event_init.from = old_current_nhe;
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dispatch_event(NavigationCurrentEntryChangeEvent::construct_impl(realm, EventNames::currententrychange, event_init));
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// 11. For each disposedNHE of disposedNHEs:
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for (auto& disposed_nhe : disposed_nhes) {
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// 1. Fire an event named dispose at disposedNHE.
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disposed_nhe->dispatch_event(DOM::Event::create(realm, EventNames::dispose, {}));
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}
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// 12. Clean up after running script given navigation's relevant settings object.
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relevant_settings_object(*this).clean_up_after_running_script();
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}
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}
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