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Diffstat (limited to 'Source/WebCore/storage/IDBDatabaseBackendImpl.h')
-rw-r--r-- | Source/WebCore/storage/IDBDatabaseBackendImpl.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/Source/WebCore/storage/IDBDatabaseBackendImpl.h b/Source/WebCore/storage/IDBDatabaseBackendImpl.h new file mode 100644 index 0000000..570f6a5 --- /dev/null +++ b/Source/WebCore/storage/IDBDatabaseBackendImpl.h @@ -0,0 +1,103 @@ +/* + * Copyright (C) 2010 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 IDBDatabaseBackendImpl_h +#define IDBDatabaseBackendImpl_h + +#include "IDBCallbacks.h" +#include "IDBDatabase.h" +#include <wtf/HashMap.h> +#include <wtf/text/StringHash.h> + +#if ENABLE(INDEXED_DATABASE) + +namespace WebCore { + +class IDBFactoryBackendImpl; +class IDBObjectStoreBackendImpl; +class IDBSQLiteDatabase; +class IDBTransactionCoordinator; +class SQLiteDatabase; + +class IDBDatabaseBackendImpl : public IDBDatabaseBackendInterface { +public: + static PassRefPtr<IDBDatabaseBackendImpl> create(const String& name, IDBSQLiteDatabase* database, IDBTransactionCoordinator* coordinator, IDBFactoryBackendImpl* factory, const String& uniqueIdentifier) + { + return adoptRef(new IDBDatabaseBackendImpl(name, database, coordinator, factory, uniqueIdentifier)); + } + virtual ~IDBDatabaseBackendImpl(); + + SQLiteDatabase& sqliteDatabase() const; + + static const int64_t InvalidId = 0; + int64_t id() const { return m_id; } + + virtual String name() const { return m_name; } + virtual String version() const { return m_version; } + virtual PassRefPtr<DOMStringList> objectStoreNames() const; + + virtual PassRefPtr<IDBObjectStoreBackendInterface> createObjectStore(const String& name, const String& keyPath, bool autoIncrement, IDBTransactionBackendInterface*, ExceptionCode&); + virtual void deleteObjectStore(const String& name, IDBTransactionBackendInterface*, ExceptionCode&); + virtual void setVersion(const String& version, PassRefPtr<IDBCallbacks>, ExceptionCode&); + virtual PassRefPtr<IDBTransactionBackendInterface> transaction(DOMStringList* objectStoreNames, unsigned short mode, unsigned long timeout, ExceptionCode&); + virtual void close(); + + PassRefPtr<IDBObjectStoreBackendInterface> objectStore(const String& name); + IDBTransactionCoordinator* transactionCoordinator() const { return m_transactionCoordinator.get(); } + +private: + IDBDatabaseBackendImpl(const String& name, IDBSQLiteDatabase* database, IDBTransactionCoordinator*, IDBFactoryBackendImpl*, const String& uniqueIdentifier); + + void loadObjectStores(); + + static void createObjectStoreInternal(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, PassRefPtr<IDBObjectStoreBackendImpl>, PassRefPtr<IDBTransactionBackendInterface>); + static void deleteObjectStoreInternal(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, PassRefPtr<IDBObjectStoreBackendImpl>, PassRefPtr<IDBTransactionBackendInterface>); + static void setVersionInternal(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, const String& version, PassRefPtr<IDBCallbacks>, PassRefPtr<IDBTransactionBackendInterface>); + + // These are used as setVersion transaction abort tasks. + static void removeObjectStoreFromMap(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, PassRefPtr<IDBObjectStoreBackendImpl>); + static void addObjectStoreToMap(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, PassRefPtr<IDBObjectStoreBackendImpl>); + static void resetVersion(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, const String& version); + + RefPtr<IDBSQLiteDatabase> m_sqliteDatabase; + int64 m_id; + String m_name; + String m_version; + + String m_identifier; + // This might not need to be a RefPtr since the factory's lifetime is that of the page group, but it's better to be conservitive than sorry. + RefPtr<IDBFactoryBackendImpl> m_factory; + + typedef HashMap<String, RefPtr<IDBObjectStoreBackendImpl> > ObjectStoreMap; + ObjectStoreMap m_objectStores; + + RefPtr<IDBTransactionCoordinator> m_transactionCoordinator; +}; + +} // namespace WebCore + +#endif + +#endif // IDBDatabaseBackendImpl_h |