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28 #ifndef IDBFactoryBackendInterface_h
29 #define IDBFactoryBackendInterface_h
31 #include "IDBBackingStoreInterface.h"
32 #include "IndexedDB.h"
34 #include <wtf/PassRefPtr.h>
35 #include <wtf/RefCounted.h>
36 #include <wtf/text/WTFString.h>
38 #if ENABLE(INDEXED_DATABASE)
44 class IDBDatabaseBackendInterface;
45 class IDBDatabaseCallbacks;
46 class IDBTransactionBackend;
48 class ScriptExecutionContext;
50 typedef int ExceptionCode;
52 // This class is shared by IDBFactory (async) and IDBFactorySync (sync).
53 // This is implemented by IDBFactoryBackendImpl and optionally others (in order to proxy
54 // calls across process barriers). All calls to these classes should be non-blocking and
55 // trigger work on a background thread if necessary.
56 class IDBFactoryBackendInterface : public RefCounted<IDBFactoryBackendInterface> {
58 static PassRefPtr<IDBFactoryBackendInterface> create(const String& databaseDirectoryIdentifier);
59 virtual ~IDBFactoryBackendInterface() { }
61 virtual void getDatabaseNames(PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, ScriptExecutionContext*, const String& dataDir) = 0;
62 virtual void open(const String& name, uint64_t version, int64_t transactionId, PassRefPtr<IDBCallbacks>, PassRefPtr<IDBDatabaseCallbacks>, const SecurityOrigin& openingOrigin, const SecurityOrigin& mainFrameOrigin) = 0;
63 virtual void deleteDatabase(const String& name, PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, ScriptExecutionContext*, const String& dataDir) = 0;
65 virtual void removeIDBDatabaseBackend(const String& uniqueIdentifier) = 0;
67 virtual PassRefPtr<IDBTransactionBackend> maybeCreateTransactionBackend(IDBDatabaseBackendInterface*, int64_t transactionId, PassRefPtr<IDBDatabaseCallbacks>, const Vector<int64_t>& objectStoreIds, IndexedDB::TransactionMode) = 0;
69 virtual PassRefPtr<IDBCursorBackend> createCursorBackend(IDBTransactionBackend&, IDBBackingStoreCursorInterface&, IndexedDB::CursorType, IDBDatabaseBackendInterface::TaskType, int64_t objectStoreId) = 0;
72 } // namespace WebCore
74 #endif // IDBFactoryBackendInterface_h
76 #endif // IDBFactoryBackendInterface_h