1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef IDBObjectStoreBackendInterface_h 27 #define IDBObjectStoreBackendInterface_h 28 29 #include "ExceptionCode.h" 30 #include "PlatformString.h" 31 #include <wtf/Threading.h> 32 33 #if ENABLE(INDEXED_DATABASE) 34 35 namespace WebCore { 36 37 class DOMStringList; 38 class IDBCallbacks; 39 class IDBIndexBackendInterface; 40 class IDBKey; 41 class IDBKeyRange; 42 class IDBTransactionBackendInterface; 43 class SerializedScriptValue; 44 45 class IDBObjectStoreBackendInterface : public ThreadSafeRefCounted<IDBObjectStoreBackendInterface> { 46 public: 47 virtual ~IDBObjectStoreBackendInterface() { } 48 49 virtual String name() const = 0; 50 virtual String keyPath() const = 0; 51 virtual PassRefPtr<DOMStringList> indexNames() const = 0; 52 53 virtual void get(PassRefPtr<IDBKey>, PassRefPtr<IDBCallbacks>, IDBTransactionBackendInterface*, ExceptionCode&) = 0; 54 55 enum PutMode { 56 AddOrUpdate, 57 AddOnly, 58 CursorUpdate 59 }; 60 virtual void put(PassRefPtr<SerializedScriptValue>, PassRefPtr<IDBKey>, PutMode, PassRefPtr<IDBCallbacks>, IDBTransactionBackendInterface*, ExceptionCode&) = 0; 61 virtual void deleteFunction(PassRefPtr<IDBKey>, PassRefPtr<IDBCallbacks>, IDBTransactionBackendInterface*, ExceptionCode&) = 0; 62 63 virtual void clear(PassRefPtr<IDBCallbacks>, IDBTransactionBackendInterface*, ExceptionCode&) = 0; 64 65 virtual PassRefPtr<IDBIndexBackendInterface> createIndex(const String& name, const String& keyPath, bool unique, IDBTransactionBackendInterface*, ExceptionCode&) = 0; 66 virtual PassRefPtr<IDBIndexBackendInterface> index(const String& name, ExceptionCode&) = 0; 67 virtual void deleteIndex(const String& name, IDBTransactionBackendInterface*, ExceptionCode&) = 0; 68 69 virtual void openCursor(PassRefPtr<IDBKeyRange>, unsigned short direction, PassRefPtr<IDBCallbacks>, IDBTransactionBackendInterface*, ExceptionCode&) = 0; 70 }; 71 72 } // namespace WebCore 73 74 #endif 75 76 #endif // IDBObjectStoreBackendInterface_h 77
