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LibWeb: Implement "get session history entries" for navigables

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https://html.spec.whatwg.org/multipage/browsing-the-web.html#getting-session-history-entries
This commit is contained in:
Aliaksandr Kalenik 2023-04-06 18:08:44 +03:00 • committed by Andreas Kling
parent 4c6564e3c1
commit d9d8896380
2 changed files with 40 additions and 0 deletions
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38
Userland/Libraries/LibWeb/HTML/Navigable.cpp
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@ -160,6 +160,44 @@ JS::GCPtr<TraversableNavigable> Navigable::top_level_traversable()
return verify_cast<TraversableNavigable>(navigable); return verify_cast<TraversableNavigable>(navigable);
} }
// https://html.spec.whatwg.org/multipage/browsing-the-web.html#getting-session-history-entries
Vector<JS::NonnullGCPtr<SessionHistoryEntry>>& Navigable::get_session_history_entries() const
{
// 1. Let traversable be navigable's traversable navigable.
auto traversable = traversable_navigable();
// FIXME 2. Assert: this is running within traversable's session history traversal queue.
// 3. If navigable is traversable, return traversable's session history entries.
if (this == traversable)
return traversable->session_history_entries();
// 4. Let docStates be an empty ordered set of document states.
Vector<JS::GCPtr<DocumentState>> doc_states;
// 5. For each entry of traversable's session history entries, append entry's document state to docStates.
for (auto& entry : traversable->session_history_entries())
doc_states.append(entry->document_state);
// 6. For each docState of docStates:
while (!doc_states.is_empty()) {
auto doc_state = doc_states.take_first();
// 1. For each nestedHistory of docState's nested histories:
for (auto& nested_history : doc_state->nested_histories()) {
// 1. If nestedHistory's id equals navigable's id, return nestedHistory's entries.
if (nested_history.id == id())
return nested_history.entries;
// 2. For each entry of nestedHistory's entries, append entry's document state to docStates.
for (auto& entry : nested_history.entries)
doc_states.append(entry->document_state);
}
}
VERIFY_NOT_REACHED();
}
// To navigate a navigable navigable to a URL url using a Document sourceDocument, // To navigate a navigable navigable to a URL url using a Document sourceDocument,
// with an optional POST resource, string, or null documentResource (default null), // with an optional POST resource, string, or null documentResource (default null),
// an optional response-or-null response (default null), an optional boolean exceptionsEnabled (default false), // an optional response-or-null response (default null), an optional boolean exceptionsEnabled (default false),

2
Userland/Libraries/LibWeb/HTML/Navigable.h
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@ -35,6 +35,8 @@ public:
JS::GCPtr<SessionHistoryEntry> active_session_history_entry() const { return m_active_session_history_entry; }; JS::GCPtr<SessionHistoryEntry> active_session_history_entry() const { return m_active_session_history_entry; };
JS::GCPtr<SessionHistoryEntry> current_session_history_entry() const { return m_current_session_history_entry; }; JS::GCPtr<SessionHistoryEntry> current_session_history_entry() const { return m_current_session_history_entry; };
Vector<JS::NonnullGCPtr<SessionHistoryEntry>>& get_session_history_entries() const;
JS::GCPtr<DOM::Document> active_document(); JS::GCPtr<DOM::Document> active_document();
JS::GCPtr<BrowsingContext> active_browsing_context(); JS::GCPtr<BrowsingContext> active_browsing_context();
JS::GCPtr<WindowProxy> active_window_proxy(); JS::GCPtr<WindowProxy> active_window_proxy();