PerformanceObserver.h [plain text]
#pragma once
#include "ExceptionOr.h"
#include "PerformanceEntry.h"
#include "PerformanceObserverCallback.h"
#include <wtf/OptionSet.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class Performance;
class ScriptExecutionContext;
class PerformanceObserver : public RefCounted<PerformanceObserver> {
public:
struct Init {
Vector<String> entryTypes;
};
static Ref<PerformanceObserver> create(ScriptExecutionContext& context, Ref<PerformanceObserverCallback>&& callback)
{
return adoptRef(*new PerformanceObserver(context, WTFMove(callback)));
}
static Vector<String> supportedEntryTypes();
void disassociate();
ExceptionOr<void> observe(Init&&);
void disconnect();
OptionSet<PerformanceEntry::Type> typeFilter() const { return m_typeFilter; }
void queueEntry(PerformanceEntry&);
void deliver();
bool isRegistered() const { return m_registered; }
PerformanceObserverCallback& callback() { return m_callback.get(); }
private:
PerformanceObserver(ScriptExecutionContext&, Ref<PerformanceObserverCallback>&&);
RefPtr<Performance> m_performance;
Vector<RefPtr<PerformanceEntry>> m_entriesToDeliver;
Ref<PerformanceObserverCallback> m_callback;
OptionSet<PerformanceEntry::Type> m_typeFilter;
bool m_registered { false };
};
}