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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef IDBFactoryBackendInterface_h 29 #define IDBFactoryBackendInterface_h 30 31 #include "ExceptionCode.h" 32 #include "IDBCallbacks.h" 33 #include "PlatformString.h" 34 #include <wtf/Threading.h> 35 #include <wtf/Vector.h> 36 37 #if ENABLE(INDEXED_DATABASE) 38 39 namespace WebCore { 40 41 class Frame; 42 class IDBDatabase; 43 class SecurityOrigin; 44 45 // This class is shared by IDBFactory (async) and IDBFactorySync (sync). 46 // This is implemented by IDBFactoryBackendImpl and optionally others (in order to proxy 47 // calls across process barriers). All calls to these classes should be non-blocking and 48 // trigger work on a background thread if necessary. 49 class IDBFactoryBackendInterface : public ThreadSafeRefCounted<IDBFactoryBackendInterface> { 50 public: 51 static PassRefPtr<IDBFactoryBackendInterface> create(); ~IDBFactoryBackendInterface()52 virtual ~IDBFactoryBackendInterface() { } 53 54 enum BackingStoreType { 55 DefaultBackingStore, 56 LevelDBBackingStore 57 }; 58 59 virtual void open(const String& name, PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, Frame*, const String& dataDir, int64_t maximumSize, BackingStoreType) = 0; 60 }; 61 62 } // namespace WebCore 63 64 #endif 65 66 #endif // IDBFactoryBackendInterface_h 67