IDBVersionChangeEvent.h [plain text]
#pragma once
#if ENABLE(INDEXED_DATABASE)
#include "Event.h"
#include "IDBResourceIdentifier.h"
#include <wtf/Optional.h>
namespace WebCore {
struct IDBVersionChangeEventInit : public EventInit {
uint64_t oldVersion { 0 };
Optional<uint64_t> newVersion;
};
class IDBVersionChangeEvent final : public Event {
public:
static Ref<IDBVersionChangeEvent> create(uint64_t oldVersion, uint64_t newVersion, const AtomicString& eventType)
{
return adoptRef(*new IDBVersionChangeEvent(IDBResourceIdentifier::emptyValue(), oldVersion, newVersion, eventType));
}
static Ref<IDBVersionChangeEvent> create(const IDBResourceIdentifier& requestIdentifier, uint64_t oldVersion, uint64_t newVersion, const AtomicString& eventType)
{
return adoptRef(*new IDBVersionChangeEvent(requestIdentifier, oldVersion, newVersion, eventType));
}
static Ref<IDBVersionChangeEvent> createForBindings(const AtomicString& type, const IDBVersionChangeEventInit& initializer)
{
return adoptRef(*new IDBVersionChangeEvent(type, initializer));
}
const IDBResourceIdentifier& requestIdentifier() const { return m_requestIdentifier; }
bool isVersionChangeEvent() const final { return true; }
uint64_t oldVersion() const { return m_oldVersion; }
Optional<uint64_t> newVersion() const { return m_newVersion; }
private:
IDBVersionChangeEvent(const IDBResourceIdentifier& requestIdentifier, uint64_t oldVersion, uint64_t newVersion, const AtomicString& eventType);
IDBVersionChangeEvent(const AtomicString&, const IDBVersionChangeEventInit&);
EventInterface eventInterface() const;
IDBResourceIdentifier m_requestIdentifier;
uint64_t m_oldVersion;
Optional<uint64_t> m_newVersion;
};
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::IDBVersionChangeEvent)
static bool isType(const WebCore::Event& event) { return event.isVersionChangeEvent(); }
SPECIALIZE_TYPE_TRAITS_END()
#endif // ENABLE(INDEXED_DATABASE)