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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef IDBRequestImpl_h
#define IDBRequestImpl_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBAnyImpl.h"
#include "IDBOpenDBRequest.h"
#include "IDBResourceIdentifier.h"
#include "IDBTransactionImpl.h"
#include "ScopeGuard.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class Event;
class IDBKeyData;
class IDBResultData;
class ThreadSafeDataBuffer;
namespace IndexedDB {
enum class IndexRecordType;
}
namespace IDBClient {
class IDBConnectionToServer;
class IDBRequest : public WebCore::IDBOpenDBRequest, public RefCounted<IDBRequest> {
public:
static Ref<IDBRequest> create(ScriptExecutionContext&, IDBObjectStore&, IDBTransaction&);
static Ref<IDBRequest> create(ScriptExecutionContext&, IDBCursor&, IDBTransaction&);
static Ref<IDBRequest> createCount(ScriptExecutionContext&, IDBIndex&, IDBTransaction&);
static Ref<IDBRequest> createGet(ScriptExecutionContext&, IDBIndex&, IndexedDB::IndexRecordType, IDBTransaction&);
const IDBResourceIdentifier& resourceIdentifier() const { return m_resourceIdentifier; }
virtual ~IDBRequest() override;
virtual RefPtr<WebCore::IDBAny> result(ExceptionCodeWithMessage&) const override;
virtual unsigned short errorCode(ExceptionCode&) const override;
virtual RefPtr<DOMError> error(ExceptionCodeWithMessage&) const override;
virtual RefPtr<WebCore::IDBAny> source() const override;
virtual RefPtr<WebCore::IDBTransaction> transaction() const override;
virtual const String& readyState() const override;
uint64_t sourceObjectStoreIdentifier() const;
uint64_t sourceIndexIdentifier() const;
IndexedDB::IndexRecordType requestedIndexRecordType() const;
// EventTarget
virtual EventTargetInterface eventTargetInterface() const override;
virtual ScriptExecutionContext* scriptExecutionContext() const override final { return ActiveDOMObject::scriptExecutionContext(); }
using RefCounted<IDBRequest>::ref;
using RefCounted<IDBRequest>::deref;
void enqueueEvent(Ref<Event>&&);
virtual bool dispatchEvent(Event&) override;
IDBConnectionToServer& connection() { return m_connection; }
void requestCompleted(const IDBResultData&);
void setResult(const IDBKeyData*);
void setResult(uint64_t);
void setResultToStructuredClone(const ThreadSafeDataBuffer&);
void setResultToUndefined();
IDBAny* modernResult() { return m_result.get(); }
void willIterateCursor(IDBCursor&);
void didOpenOrIterateCursor(const IDBResultData&);
const IDBCursor* pendingCursor() const { return m_pendingCursor.get(); }
void setSource(IDBCursor&);
void setVersionChangeTransaction(IDBTransaction&);
IndexedDB::RequestType requestType() const { return m_requestType; }
protected:
IDBRequest(IDBConnectionToServer&, ScriptExecutionContext*);
IDBRequest(ScriptExecutionContext&, IDBObjectStore&, IDBTransaction&);
IDBRequest(ScriptExecutionContext&, IDBCursor&, IDBTransaction&);
IDBRequest(ScriptExecutionContext&, IDBIndex&, IDBTransaction&);
IDBRequest(ScriptExecutionContext&, IDBIndex&, IndexedDB::IndexRecordType, IDBTransaction&);
// ActiveDOMObject.
virtual const char* activeDOMObjectName() const override final;
virtual bool canSuspendForDocumentSuspension() const override final;
virtual bool hasPendingActivity() const override final;
virtual void stop() override final;
// EventTarget.
virtual void refEventTarget() override final { RefCounted<IDBRequest>::ref(); }
virtual void derefEventTarget() override final { RefCounted<IDBRequest>::deref(); }
virtual void uncaughtExceptionInEventHandler() override final;
virtual bool isOpenDBRequest() const { return false; }
IDBRequestReadyState m_readyState { IDBRequestReadyState::Pending };
RefPtr<IDBAny> m_result;
RefPtr<IDBTransaction> m_transaction;
bool m_shouldExposeTransactionToDOM { true };
RefPtr<DOMError> m_domError;
IDBError m_idbError;
IndexedDB::RequestType m_requestType = { IndexedDB::RequestType::Other };
bool m_contextStopped { false };
Event* m_openDatabaseSuccessEvent { nullptr };
private:
void onError();
void onSuccess();
IDBCursor* resultCursor();
IDBConnectionToServer& m_connection;
IDBResourceIdentifier m_resourceIdentifier;
RefPtr<IDBAny> m_source;
bool m_hasPendingActivity { true };
IndexedDB::IndexRecordType m_requestedIndexRecordType;
RefPtr<IDBCursor> m_pendingCursor;
std::unique_ptr<ScopeGuard> m_cursorRequestNotifier;
};
} // namespace IDBClient
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBRequestImpl_h
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