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LibWeb: Implement PerformanceObserver.supportedEntryTypes

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Luke Wilde 2024-04-01 14:03:57 +01:00 • committed by Andreas Kling
commit facece1a2a
Notes: sideshowbarker 2024-07-17 23:00:03 +09:00
7 changed files with 71 additions and 1 deletions
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26
Userland/Libraries/LibWeb/HTML/WindowOrWorkerGlobalScope.cpp
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@ -12,6 +12,7 @@
#include <AK/Utf8View.h>
#include <AK/Vector.h>
#include <LibJS/Heap/HeapFunction.h>
#include <LibJS/Runtime/Array.h>
#include <LibTextCodec/Decoder.h>
#include <LibWeb/Bindings/MainThreadVM.h>
#include <LibWeb/Fetch/FetchMethod.h>
@ -59,6 +60,7 @@ void WindowOrWorkerGlobalScopeMixin::initialize(JS::Realm&)
void WindowOrWorkerGlobalScopeMixin::visit_edges(JS::Cell::Visitor& visitor)
{
visitor.visit(m_performance);
visitor.visit(m_supported_entry_types_array);
for (auto& it : m_timers)
visitor.visit(it.value);
for (auto& observer : m_registered_performance_observer_objects)
@ -595,4 +597,28 @@ JS::NonnullGCPtr<HighResolutionTime::Performance> WindowOrWorkerGlobalScopeMixin
return JS::NonnullGCPtr { *m_performance };
}
// https://w3c.github.io/performance-timeline/#dfn-frozen-array-of-supported-entry-types
JS::NonnullGCPtr<JS::Object> WindowOrWorkerGlobalScopeMixin::supported_entry_types() const
{
// Each global object has an associated frozen array of supported entry types, which is initialized to the
// FrozenArray created from the sequence of strings among the registry that are supported for the global
// object, in alphabetical order.
auto& vm = this_impl().vm();
auto& realm = this_impl().realm();
if (!m_supported_entry_types_array) {
Vector<JS::Value> supported_entry_types;
#define __ENUMERATE_SUPPORTED_PERFORMANCE_ENTRY_TYPES(entry_type, cpp_class) \
supported_entry_types.append(JS::PrimitiveString::create(vm, entry_type));
ENUMERATE_SUPPORTED_PERFORMANCE_ENTRY_TYPES
#undef __ENUMERATE_SUPPORTED_PERFORMANCE_ENTRY_TYPES
m_supported_entry_types_array = JS::Array::create_from(realm, supported_entry_types);
MUST(m_supported_entry_types_array->set_integrity_level(JS::Object::IntegrityLevel::Frozen));
}
return *m_supported_entry_types_array;
}
}

4
Userland/Libraries/LibWeb/HTML/WindowOrWorkerGlobalScope.h
View file

@ -65,6 +65,8 @@ public:
[[nodiscard]] JS::NonnullGCPtr<HighResolutionTime::Performance> performance();
JS::NonnullGCPtr<JS::Object> supported_entry_types() const;
protected:
void initialize(JS::Realm&);
void visit_edges(JS::Cell::Visitor&);
@ -95,6 +97,8 @@ private:
OrderedHashMap<FlyString, PerformanceTimeline::PerformanceEntryTuple> m_performance_entry_buffer_map;
JS::GCPtr<HighResolutionTime::Performance> m_performance;
mutable JS::GCPtr<JS::Object> m_supported_entry_types_array;
};
}