1/* 2 * Copyright (C) 2013 Apple 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef UniqueIDBDatabaseBackingStore_h 27#define UniqueIDBDatabaseBackingStore_h 28 29#if ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS) 30 31#include <WebCore/IndexedDB.h> 32#include <wtf/RefCounted.h> 33 34namespace WebCore { 35class IDBKey; 36class IDBKeyRange; 37class SharedBuffer; 38 39struct IDBDatabaseMetadata; 40struct IDBGetResult; 41struct IDBKeyData; 42struct IDBObjectStoreMetadata; 43} 44 45namespace WebKit { 46 47class IDBIdentifier; 48 49class UniqueIDBDatabaseBackingStore : public RefCounted<UniqueIDBDatabaseBackingStore> { 50public: 51 virtual ~UniqueIDBDatabaseBackingStore() { } 52 53 virtual std::unique_ptr<WebCore::IDBDatabaseMetadata> getOrEstablishMetadata() = 0; 54 55 virtual bool establishTransaction(const IDBIdentifier& transactionIdentifier, const Vector<int64_t>& objectStoreIDs, WebCore::IndexedDB::TransactionMode) = 0; 56 virtual bool beginTransaction(const IDBIdentifier&) = 0; 57 virtual bool commitTransaction(const IDBIdentifier&) = 0; 58 virtual bool resetTransaction(const IDBIdentifier&) = 0; 59 virtual bool rollbackTransaction(const IDBIdentifier&) = 0; 60 61 virtual bool changeDatabaseVersion(const IDBIdentifier& transactionIdentifier, uint64_t newVersion) = 0; 62 virtual bool createObjectStore(const IDBIdentifier& transactionIdentifier, const WebCore::IDBObjectStoreMetadata&) = 0; 63 virtual bool deleteObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID) = 0; 64 virtual bool clearObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID) = 0; 65 virtual bool createIndex(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBIndexMetadata&) = 0; 66 virtual bool deleteIndex(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID) = 0; 67 68 virtual bool generateKeyNumber(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t& generatedKey) = 0; 69 virtual bool updateKeyGeneratorNumber(const IDBIdentifier& transactionIdentifier, int64_t objectStoreId, int64_t keyNumber, bool checkCurrent) = 0; 70 71 virtual bool keyExistsInObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyData&, bool& keyExists) = 0; 72 virtual bool putRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyData&, const uint8_t* valueBuffer, size_t valueSize) = 0; 73 virtual bool putIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyData&, const WebCore::IDBKeyData& indexKey) = 0; 74 virtual bool getIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&, WebCore::IndexedDB::CursorType, WebCore::IDBGetResult&) = 0; 75 virtual bool deleteRange(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyRangeData&) = 0; 76 virtual bool deleteRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyData&) = 0; 77 78 virtual bool getKeyRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKey&, RefPtr<WebCore::SharedBuffer>& result) = 0; 79 virtual bool getKeyRangeRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyRange&, RefPtr<WebCore::SharedBuffer>& result, RefPtr<WebCore::IDBKey>& resultKey) = 0; 80 virtual bool count(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&, int64_t& count) = 0; 81 82 virtual bool openCursor(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, WebCore::IndexedDB::CursorDirection, WebCore::IndexedDB::CursorType, WebCore::IDBDatabaseBackend::TaskType, const WebCore::IDBKeyRangeData&, int64_t& cursorID, WebCore::IDBKeyData&, WebCore::IDBKeyData&, Vector<uint8_t>&) = 0; 83 virtual bool advanceCursor(const IDBIdentifier& cursorIdentifier, uint64_t count, WebCore::IDBKeyData&, WebCore::IDBKeyData&, Vector<uint8_t>&) = 0; 84 virtual bool iterateCursor(const IDBIdentifier& cursorIdentifier, const WebCore::IDBKeyData&, WebCore::IDBKeyData&, WebCore::IDBKeyData&, Vector<uint8_t>&) = 0; 85 virtual void notifyCursorsOfChanges(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID) = 0; 86}; 87 88} // namespace WebKit 89 90#endif // ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS) 91#endif // UniqueIDBDatabaseBackingStore_h 92