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/*
* Copyright (C) 2011 Google 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 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 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 IDBBackingStore_h
#define IDBBackingStore_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBCursor.h"
#include "SQLiteDatabase.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class IDBFactoryBackendImpl;
class IDBKey;
class IDBKeyRange;
class SecurityOrigin;
class IDBBackingStore : public RefCounted<IDBBackingStore> {
public:
static PassRefPtr<IDBBackingStore> open(SecurityOrigin*, const String& pathBase, int64_t maximumSize, const String& fileIdentifier, IDBFactoryBackendImpl*);
~IDBBackingStore();
bool extractIDBDatabaseMetaData(const String& name, String& foundVersion, int64_t& foundId);
bool setIDBDatabaseMetaData(const String& name, const String& version, int64_t& rowId, bool invalidRowId);
void getObjectStores(int64_t databaseId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<String>& foundKeyPaths, Vector<bool>& foundAutoIncrementFlags);
bool createObjectStore(const String& name, const String& keyPath, bool autoIncrement, int64_t databaseId, int64_t& assignedObjectStoreId);
void deleteObjectStore(int64_t objectStoreId);
String getObjectStoreRecord(int64_t objectStoreId, const IDBKey&);
bool putObjectStoreRecord(int64_t objectStoreId, const IDBKey&, const String& value, int64_t& rowId, bool invalidRowId);
void clearObjectStore(int64_t objectStoreId);
void deleteObjectStoreRecord(int64_t objectStoreId, int64_t objectStoreDataId);
double nextAutoIncrementNumber(int64_t objectStoreId);
bool keyExistsInObjectStore(int64_t objectStoreId, const IDBKey&, int64_t& foundObjectStoreDataId);
class ObjectStoreRecordCallback {
public:
virtual bool callback(int64_t objectStoreDataId, const String& value) = 0;
virtual ~ObjectStoreRecordCallback() {};
};
bool forEachObjectStoreRecord(int64_t objectStoreId, ObjectStoreRecordCallback&);
void getIndexes(int64_t objectStoreId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<String>& foundKeyPaths, Vector<bool>& foundUniqueFlags);
bool createIndex(int64_t objectStoreId, const String& name, const String& keyPath, bool isUnique, int64_t& indexId);
void deleteIndex(int64_t indexId);
bool putIndexDataForRecord(int64_t indexId, const IDBKey&, int64_t objectStoreDataId);
bool deleteIndexDataForRecord(int64_t objectStoreDataId);
String getObjectViaIndex(int64_t indexId, const IDBKey&);
PassRefPtr<IDBKey> getPrimaryKeyViaIndex(int64_t indexId, const IDBKey&);
bool keyExistsInIndex(int64_t indexId, const IDBKey&);
class Cursor : public RefCounted<Cursor> {
public:
virtual bool continueFunction(const IDBKey* = 0) = 0;
virtual PassRefPtr<IDBKey> key() = 0;
virtual PassRefPtr<IDBKey> primaryKey() = 0;
virtual String value() = 0;
virtual int64_t objectStoreDataId() = 0;
virtual int64_t indexDataId() = 0;
virtual ~Cursor() {};
};
PassRefPtr<Cursor> openObjectStoreCursor(int64_t objectStoreId, const IDBKeyRange*, IDBCursor::Direction);
PassRefPtr<Cursor> openIndexKeyCursor(int64_t indexId, const IDBKeyRange*, IDBCursor::Direction);
PassRefPtr<Cursor> openIndexCursor(int64_t indexId, const IDBKeyRange*, IDBCursor::Direction);
class Transaction : public RefCounted<Transaction> {
public:
virtual void begin() = 0;
virtual void commit() = 0;
virtual void rollback() = 0;
};
PassRefPtr<Transaction> createTransaction();
private:
IDBBackingStore(String identifier, IDBFactoryBackendImpl* factory);
SQLiteDatabase m_db;
String m_identifier;
RefPtr<IDBFactoryBackendImpl> m_factory;
};
} // namespace WebCore
#endif
#endif // IDBBackingStore_h
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