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 29 #ifndef IDBCallbacks_h 30 #define IDBCallbacks_h 31 32 #include "core/platform/SharedBuffer.h" 33 #include "modules/indexeddb/IDBDatabaseBackendInterface.h" 34 #include "modules/indexeddb/IDBKey.h" 35 #include "modules/indexeddb/IDBKeyPath.h" 36 #include "public/platform/WebIDBCallbacks.h" 37 #include "wtf/RefCounted.h" 38 39 namespace WebCore { 40 41 class DOMError; 42 class IDBCursorBackendInterface; 43 44 class IDBCallbacks : public RefCounted<IDBCallbacks> { 45 public: 46 virtual ~IDBCallbacks() { } 47 48 virtual void onError(PassRefPtr<DOMError>) = 0; 49 // From IDBFactory.webkitGetDatabaseNames() 50 virtual void onSuccess(const Vector<String>&) = 0; 51 // From IDBObjectStore/IDBIndex.openCursor(), IDBIndex.openKeyCursor() 52 virtual void onSuccess(PassRefPtr<IDBCursorBackendInterface>, PassRefPtr<IDBKey>, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer>) = 0; 53 // From IDBObjectStore.add()/put(), IDBIndex.getKey() 54 virtual void onSuccess(PassRefPtr<IDBKey>) = 0; 55 // From IDBObjectStore/IDBIndex.get()/count(), and various methods that yield null/undefined. 56 virtual void onSuccess(PassRefPtr<SharedBuffer>) = 0; 57 // From IDBObjectStore/IDBIndex.get() (with key injection) 58 virtual void onSuccess(PassRefPtr<SharedBuffer>, PassRefPtr<IDBKey>, const IDBKeyPath&) = 0; 59 // From IDBObjectStore/IDBIndex.count() 60 virtual void onSuccess(int64_t value) = 0; 61 62 // From IDBFactor.deleteDatabase(), IDBObjectStore/IDBIndex.get(), IDBObjectStore.delete(), IDBObjectStore.clear() 63 virtual void onSuccess() = 0; 64 65 // From IDBCursor.advance()/continue() 66 virtual void onSuccess(PassRefPtr<IDBKey>, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer>) = 0; 67 // From IDBFactory.open()/deleteDatabase() 68 virtual void onBlocked(int64_t /* existingVersion */) { ASSERT_NOT_REACHED(); } 69 // From IDBFactory.open() 70 virtual void onUpgradeNeeded(int64_t /* oldVersion */, PassRefPtr<IDBDatabaseBackendInterface>, const IDBDatabaseMetadata&, WebKit::WebIDBCallbacks::DataLoss dataLoss) { ASSERT_NOT_REACHED(); } 71 virtual void onSuccess(PassRefPtr<IDBDatabaseBackendInterface>, const IDBDatabaseMetadata&) { ASSERT_NOT_REACHED(); } 72 }; 73 74 } // namespace WebCore 75 76 #endif // IDBCallbacks_h 77