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LibWeb: Remove changing_navigable_continuation capture in callback

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Capturing a struct that owns bunch of JS::Handle makes it very hard to
understand what keeps these handles alive in the GC-graph.

Instead let's capture only members of a struct used in the callback.
This commit is contained in:
Aliaksandr Kalenik 2024-04-21 12:49:58 +02:00 • committed by Andreas Kling
commit 3b3816e683
Notes: sideshowbarker 2024-07-18 03:20:18 +09:00
1 changed files with 13 additions and 12 deletions
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25
Userland/Libraries/LibWeb/HTML/TraversableNavigable.cpp
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@ -653,7 +653,7 @@ TraversableNavigable::HistoryStepResult TraversableNavigable::apply_the_history_
auto displayed_document = changing_navigable_continuation.displayed_document;
// 5. Let targetEntry be changingNavigableContinuation's target entry.
auto& populated_target_entry = changing_navigable_continuation.populated_target_entry;
JS::GCPtr<SessionHistoryEntry> const populated_target_entry = changing_navigable_continuation.populated_target_entry.ptr();
// 6. Let navigable be changingNavigableContinuation's navigable.
auto navigable = changing_navigable_continuation.navigable;
@ -674,24 +674,25 @@ TraversableNavigable::HistoryStepResult TraversableNavigable::apply_the_history_
auto entries_for_navigation_api = get_session_history_entries_for_the_navigation_api(*navigable, target_step);
// 12. In both cases, let afterPotentialUnloads be the following steps:
auto after_potential_unload = JS::create_heap_function(this->heap(), [changing_navigable_continuation, displayed_document, &completed_change_jobs, script_history_length, script_history_index, entries_for_navigation_api = move(entries_for_navigation_api), &heap = this->heap()] {
auto const& target_entry = changing_navigable_continuation.target_entry;
if (changing_navigable_continuation.populated_cloned_target_session_history_entry) {
auto const& populating_target_entry = changing_navigable_continuation.populated_target_entry;
target_entry->set_document_state(populating_target_entry->document_state());
target_entry->set_url(populating_target_entry->url());
target_entry->set_classic_history_api_state(populating_target_entry->classic_history_api_state());
bool const update_only = changing_navigable_continuation.update_only;
JS::GCPtr<SessionHistoryEntry> const target_entry = changing_navigable_continuation.target_entry.ptr();
bool const populated_cloned_target_session_history_entry = changing_navigable_continuation.populated_cloned_target_session_history_entry;
auto after_potential_unload = JS::create_heap_function(this->heap(), [navigable, update_only, target_entry, populated_target_entry, populated_cloned_target_session_history_entry, displayed_document, &completed_change_jobs, script_history_length, script_history_index, entries_for_navigation_api = move(entries_for_navigation_api), &heap = this->heap()] {
if (populated_cloned_target_session_history_entry) {
target_entry->set_document_state(populated_target_entry->document_state());
target_entry->set_url(populated_target_entry->url());
target_entry->set_classic_history_api_state(populated_target_entry->classic_history_api_state());
}
// 1. If changingNavigableContinuation's update-only is false, then activate history entry targetEntry for navigable.
if (!changing_navigable_continuation.update_only)
changing_navigable_continuation.navigable->activate_history_entry(*changing_navigable_continuation.target_entry);
if (!update_only)
navigable->activate_history_entry(*target_entry);
// 2. Let updateDocument be an algorithm step which performs update document for history step application given
// targetEntry's document, targetEntry, changingNavigableContinuation's update-only, scriptHistoryLength,
// scriptHistoryIndex, navigationType, entriesForNavigationAPI, and displayedEntry.
auto update_document = JS::SafeFunction<void()>([changing_navigable_continuation, script_history_length, script_history_index, entries_for_navigation_api = move(entries_for_navigation_api)] {
changing_navigable_continuation.target_entry->document()->update_for_history_step_application(*changing_navigable_continuation.target_entry, changing_navigable_continuation.update_only, script_history_length, script_history_index, entries_for_navigation_api);
auto update_document = JS::SafeFunction<void()>([script_history_length, script_history_index, entries_for_navigation_api = move(entries_for_navigation_api), target_entry, update_only] {
target_entry->document()->update_for_history_step_application(*target_entry, update_only, script_history_length, script_history_index, entries_for_navigation_api);
});
// 3. If targetEntry's document is equal to displayedDocument, then perform updateDocument.