#pragma once
#if ENABLE(INDEXED_DATABASE)
#include "ExceptionOr.h"
#include "IDBCursorDirection.h"
#include "IDBCursorInfo.h"
#include <JavaScriptCore/Strong.h>
#include <wtf/Variant.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class IDBGetResult;
class IDBIndex;
class IDBObjectStore;
class IDBTransaction;
class IDBCursor : public ScriptWrappable, public RefCounted<IDBCursor> {
public:
static Ref<IDBCursor> create(IDBObjectStore&, const IDBCursorInfo&);
static Ref<IDBCursor> create(IDBIndex&, const IDBCursorInfo&);
virtual ~IDBCursor();
using Source = Variant<RefPtr<IDBObjectStore>, RefPtr<IDBIndex>>;
const Source& source() const;
IDBCursorDirection direction() const;
JSC::JSValue key() const;
JSC::JSValue primaryKey() const;
JSC::JSValue value() const;
ExceptionOr<Ref<IDBRequest>> update(JSC::ExecState&, JSC::JSValue);
ExceptionOr<void> advance(unsigned);
ExceptionOr<void> continueFunction(JSC::ExecState&, JSC::JSValue key);
ExceptionOr<void> continuePrimaryKey(JSC::ExecState&, JSC::JSValue key, JSC::JSValue primaryKey);
ExceptionOr<Ref<IDBRequest>> deleteFunction(JSC::ExecState&);
ExceptionOr<void> continueFunction(const IDBKeyData&);
const IDBCursorInfo& info() const { return m_info; }
void setRequest(IDBRequest& request) { m_request = makeWeakPtr(&request); }
void clearRequest() { m_request.clear(); }
IDBRequest* request() { return m_request.get(); }
void setGetResult(IDBRequest&, const IDBGetResult&);
virtual bool isKeyCursorWithValue() const { return false; }
protected:
IDBCursor(IDBObjectStore&, const IDBCursorInfo&);
IDBCursor(IDBIndex&, const IDBCursorInfo&);
private:
bool sourcesDeleted() const;
IDBObjectStore& effectiveObjectStore() const;
IDBTransaction& transaction() const;
void uncheckedIterateCursor(const IDBKeyData&, unsigned count);
void uncheckedIterateCursor(const IDBKeyData&, const IDBKeyData&);
IDBCursorInfo m_info;
Source m_source;
WeakPtr<IDBRequest> m_request;
bool m_gotValue { false };
IDBKeyData m_currentKeyData;
IDBKeyData m_currentPrimaryKeyData;
JSC::Strong<JSC::Unknown> m_currentKey;
JSC::Strong<JSC::Unknown> m_currentPrimaryKey;
JSC::Strong<JSC::Unknown> m_currentValue;
};
inline const IDBCursor::Source& IDBCursor::source() const
{
return m_source;
}
inline IDBCursorDirection IDBCursor::direction() const
{
return m_info.cursorDirection();
}
inline JSC::JSValue IDBCursor::key() const
{
return m_currentKey.get();
}
inline JSC::JSValue IDBCursor::primaryKey() const
{
return m_currentPrimaryKey.get();
}
inline JSC::JSValue IDBCursor::value() const
{
return m_currentValue.get();
}
}
#endif // ENABLE(INDEXED_DATABASE)