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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 IDBConnectionToServer_h
#define IDBConnectionToServer_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBConnectionToServerDelegate.h"
#include "IDBResourceIdentifier.h"
#include "TransactionOperation.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class IDBCursorInfo;
class IDBError;
class IDBObjectStoreInfo;
class IDBResultData;
namespace IDBClient {
class IDBDatabase;
class IDBOpenDBRequest;
class IDBTransaction;
class TransactionOperation;
class IDBConnectionToServer : public RefCounted<IDBConnectionToServer> {
public:
WEBCORE_EXPORT static Ref<IDBConnectionToServer> create(IDBConnectionToServerDelegate&);
uint64_t identifier() const;
void deleteDatabase(IDBOpenDBRequest&);
WEBCORE_EXPORT void didDeleteDatabase(const IDBResultData&);
void openDatabase(IDBOpenDBRequest&);
WEBCORE_EXPORT void didOpenDatabase(const IDBResultData&);
void createObjectStore(TransactionOperation&, const IDBObjectStoreInfo&);
WEBCORE_EXPORT void didCreateObjectStore(const IDBResultData&);
void deleteObjectStore(TransactionOperation&, const String& objectStoreName);
WEBCORE_EXPORT void didDeleteObjectStore(const IDBResultData&);
void clearObjectStore(TransactionOperation&, uint64_t objectStoreIdentifier);
WEBCORE_EXPORT void didClearObjectStore(const IDBResultData&);
void createIndex(TransactionOperation&, const IDBIndexInfo&);
WEBCORE_EXPORT void didCreateIndex(const IDBResultData&);
void deleteIndex(TransactionOperation&, uint64_t objectStoreIdentifier, const String& indexName);
WEBCORE_EXPORT void didDeleteIndex(const IDBResultData&);
void putOrAdd(TransactionOperation&, RefPtr<IDBKey>&, RefPtr<SerializedScriptValue>&, const IndexedDB::ObjectStoreOverwriteMode);
WEBCORE_EXPORT void didPutOrAdd(const IDBResultData&);
void getRecord(TransactionOperation&, const IDBKeyRangeData&);
WEBCORE_EXPORT void didGetRecord(const IDBResultData&);
void getCount(TransactionOperation&, const IDBKeyRangeData&);
WEBCORE_EXPORT void didGetCount(const IDBResultData&);
void deleteRecord(TransactionOperation&, const IDBKeyRangeData&);
WEBCORE_EXPORT void didDeleteRecord(const IDBResultData&);
void openCursor(TransactionOperation&, const IDBCursorInfo&);
WEBCORE_EXPORT void didOpenCursor(const IDBResultData&);
void iterateCursor(TransactionOperation&, const IDBKeyData&, unsigned long count);
WEBCORE_EXPORT void didIterateCursor(const IDBResultData&);
void commitTransaction(IDBTransaction&);
WEBCORE_EXPORT void didCommitTransaction(const IDBResourceIdentifier& transactionIdentifier, const IDBError&);
void didFinishHandlingVersionChangeTransaction(IDBTransaction&);
void abortTransaction(IDBTransaction&);
WEBCORE_EXPORT void didAbortTransaction(const IDBResourceIdentifier& transactionIdentifier, const IDBError&);
WEBCORE_EXPORT void fireVersionChangeEvent(uint64_t databaseConnectionIdentifier, const IDBResourceIdentifier& requestIdentifier, uint64_t requestedVersion);
void didFireVersionChangeEvent(uint64_t databaseConnectionIdentifier, const IDBResourceIdentifier& requestIdentifier);
WEBCORE_EXPORT void didStartTransaction(const IDBResourceIdentifier& transactionIdentifier, const IDBError&);
WEBCORE_EXPORT void notifyOpenDBRequestBlocked(const IDBResourceIdentifier& requestIdentifier, uint64_t oldVersion, uint64_t newVersion);
void establishTransaction(IDBTransaction&);
void databaseConnectionClosed(IDBDatabase&);
// To be used when an IDBOpenDBRequest gets a new database connection, optionally with a
// versionchange transaction, but the page is already torn down.
void abortOpenAndUpgradeNeeded(uint64_t databaseConnectionIdentifier, const IDBResourceIdentifier& transactionIdentifier);
void registerDatabaseConnection(IDBDatabase&);
void unregisterDatabaseConnection(IDBDatabase&);
private:
IDBConnectionToServer(IDBConnectionToServerDelegate&);
void saveOperation(TransactionOperation&);
void completeOperation(const IDBResultData&);
bool hasRecordOfTransaction(const IDBTransaction&) const;
Ref<IDBConnectionToServerDelegate> m_delegate;
HashMap<IDBResourceIdentifier, RefPtr<IDBClient::IDBOpenDBRequest>> m_openDBRequestMap;
HashMap<uint64_t, IDBDatabase*> m_databaseConnectionMap;
HashMap<IDBResourceIdentifier, RefPtr<IDBTransaction>> m_pendingTransactions;
HashMap<IDBResourceIdentifier, RefPtr<IDBTransaction>> m_committingTransactions;
HashMap<IDBResourceIdentifier, RefPtr<IDBTransaction>> m_abortingTransactions;
HashMap<IDBResourceIdentifier, RefPtr<TransactionOperation>> m_activeOperations;
};
} // namespace IDBClient
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBConnectionToServer_h
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