1/* 2 * Copyright (C) 2012 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 IDBOpenDBRequest_h 27#define IDBOpenDBRequest_h 28 29#if ENABLE(INDEXED_DATABASE) 30 31#include "IDBRequest.h" 32#include "IndexedDB.h" 33 34namespace WebCore { 35 36class IDBDatabaseCallbacks; 37 38class IDBOpenDBRequest : public IDBRequest { 39public: 40 static PassRefPtr<IDBOpenDBRequest> create(ScriptExecutionContext*, PassRefPtr<IDBDatabaseCallbacks>, int64_t transactionId, uint64_t version, IndexedDB::VersionNullness); 41 virtual ~IDBOpenDBRequest(); 42 43 using IDBRequest::onSuccess; 44 45 virtual void onBlocked(uint64_t existingVersion) override; 46 virtual void onUpgradeNeeded(uint64_t oldVersion, PassRefPtr<IDBDatabaseBackend>, const IDBDatabaseMetadata&) override; 47 virtual void onSuccess(PassRefPtr<IDBDatabaseBackend>, const IDBDatabaseMetadata&) override; 48 49 // EventTarget 50 virtual EventTargetInterface eventTargetInterface() const; 51 virtual bool dispatchEvent(PassRefPtr<Event>) override; 52 53 DEFINE_ATTRIBUTE_EVENT_LISTENER(blocked); 54 DEFINE_ATTRIBUTE_EVENT_LISTENER(upgradeneeded); 55 56protected: 57 virtual bool shouldEnqueueEvent() const override; 58 59private: 60 IDBOpenDBRequest(ScriptExecutionContext*, PassRefPtr<IDBDatabaseCallbacks>, int64_t transactionId, uint64_t version, IndexedDB::VersionNullness); 61 62 RefPtr<IDBDatabaseCallbacks> m_databaseCallbacks; 63 const int64_t m_transactionId; 64 uint64_t m_version; 65 IndexedDB::VersionNullness m_versionNullness; 66}; 67 68} // namespace WebCore 69 70#endif // ENABLE(INDEXED_DATABASE) 71 72#endif // IDBOpenDBRequest_h 73