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 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 "IDBDatabaseError.h" 33#include "IDBKey.h" 34#include "IDBKeyPath.h" 35#include "SharedBuffer.h" 36#include <wtf/RefCounted.h> 37 38#if ENABLE(INDEXED_DATABASE) 39 40namespace WebCore { 41class DOMStringList; 42class IDBCursorBackend; 43class IDBDatabaseBackend; 44 45struct IDBDatabaseMetadata; 46 47class IDBCallbacks : public RefCounted<IDBCallbacks> { 48public: 49 virtual ~IDBCallbacks() { } 50 51 virtual void onError(PassRefPtr<IDBDatabaseError>) = 0; 52 // From IDBFactory.webkitGetDatabaseNames() 53 virtual void onSuccess(PassRefPtr<DOMStringList>) = 0; 54 // From IDBObjectStore/IDBIndex.openCursor(), IDBIndex.openKeyCursor() 55 virtual void onSuccess(PassRefPtr<IDBCursorBackend>) = 0; 56 // From IDBObjectStore.add()/put(), IDBIndex.getKey() 57 virtual void onSuccess(PassRefPtr<IDBKey>) = 0; 58 // From IDBObjectStore/IDBIndex.get()/count(), and various methods that yield null/undefined. 59 virtual void onSuccess(PassRefPtr<SharedBuffer>) = 0; 60 // From IDBObjectStore/IDBIndex.get() (with key injection) 61 virtual void onSuccess(PassRefPtr<SharedBuffer>, PassRefPtr<IDBKey>, const IDBKeyPath&) = 0; 62 // From IDBObjectStore/IDBIndex.count() 63 virtual void onSuccess(int64_t value) = 0; 64 65 // From IDBFactor.deleteDatabase(), IDBObjectStore/IDBIndex.get(), IDBObjectStore.delete(), IDBObjectStore.clear() 66 virtual void onSuccess() = 0; 67 68 // From IDBCursor.advance()/continue() 69 virtual void onSuccess(PassRefPtr<IDBKey>, PassRefPtr<IDBKey> primaryKey, PassRefPtr<SharedBuffer>) = 0; 70 71 // From IDBFactory.open()/deleteDatabase() 72 virtual void onBlocked(uint64_t /* existingVersion */) { ASSERT_NOT_REACHED(); } 73 // From IDBFactory.open() 74 virtual void onUpgradeNeeded(uint64_t /* oldVersion */, PassRefPtr<IDBDatabaseBackend>, const IDBDatabaseMetadata&) { ASSERT_NOT_REACHED(); } 75 virtual void onSuccess(PassRefPtr<IDBDatabaseBackend>, const IDBDatabaseMetadata&) { ASSERT_NOT_REACHED(); } 76}; 77 78} // namespace WebCore 79 80#endif 81 82#endif // IDBCallbacks_h 83