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LibWeb: Implement PerformanceObserver

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This commit is contained in:
Luke Wilde 2023-08-25 01:26:47 +01:00 • committed by Andreas Kling
parent 5055883b9f
commit af2886449a
22 changed files with 793 additions and 57 deletions
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15
Userland/Libraries/LibWeb/HTML/WindowOrWorkerGlobalScope.h
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@ -48,12 +48,18 @@ public:
void clear_interval(i32);
PerformanceTimeline::PerformanceEntryTuple& relevant_performance_entry_tuple(FlyString const& entry_type);
WebIDL::ExceptionOr<void> queue_performance_entry(JS::NonnullGCPtr<PerformanceTimeline::PerformanceEntry> new_entry);
void queue_performance_entry(JS::NonnullGCPtr<PerformanceTimeline::PerformanceEntry> new_entry);
void clear_performance_entry_buffer(Badge<HighResolutionTime::Performance>, FlyString const& entry_type);
void remove_entries_from_performance_entry_buffer(Badge<HighResolutionTime::Performance>, FlyString const& entry_type, String entry_name);
ErrorOr<Vector<JS::Handle<PerformanceTimeline::PerformanceEntry>>> filter_buffer_map_by_name_and_type(Optional<String> name, Optional<String> type) const;
void register_performance_observer(Badge<PerformanceTimeline::PerformanceObserver>, JS::NonnullGCPtr<PerformanceTimeline::PerformanceObserver>);
void unregister_performance_observer(Badge<PerformanceTimeline::PerformanceObserver>, JS::NonnullGCPtr<PerformanceTimeline::PerformanceObserver>);
bool has_registered_performance_observer(JS::NonnullGCPtr<PerformanceTimeline::PerformanceObserver>);
void queue_the_performance_observer_task();
protected:
void initialize(JS::Realm&);
void visit_edges(JS::Cell::Visitor&);
@ -70,8 +76,11 @@ private:
// https://www.w3.org/TR/performance-timeline/#performance-timeline
// Each global object has:
// FIXME: - a performance observer task queued flag
// FIXME: - a list of registered performance observer objects that is initially empty
// - a performance observer task queued flag
bool m_performance_observer_task_queued { false };
// - a list of registered performance observer objects that is initially empty
OrderedHashTable<JS::NonnullGCPtr<PerformanceTimeline::PerformanceObserver>> m_registered_performance_observer_objects;
// https://www.w3.org/TR/performance-timeline/#dfn-performance-entry-buffer-map
// a performance entry buffer map map, keyed on a DOMString, representing the entry type to which the buffer belongs. The map's value is the following tuple: