| /* |
| * Copyright (C) 2015 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(INDEXED_DATABASE) |
| |
| #include "IDBDatabaseIdentifier.h" |
| #include "IDBResourceIdentifier.h" |
| #include "IndexedDB.h" |
| |
| namespace WebCore { |
| |
| class IDBOpenDBRequest; |
| class IDBTransaction; |
| |
| namespace IndexedDB { |
| enum class IndexRecordType; |
| } |
| |
| namespace IDBClient { |
| class IDBConnectionProxy; |
| class TransactionOperation; |
| } |
| |
| class IDBRequestData { |
| public: |
| IDBRequestData(const IDBClient::IDBConnectionProxy&, const IDBOpenDBRequest&); |
| explicit IDBRequestData(IDBClient::TransactionOperation&); |
| IDBRequestData(const IDBRequestData&); |
| |
| enum IsolatedCopyTag { IsolatedCopy }; |
| IDBRequestData(const IDBRequestData&, IsolatedCopyTag); |
| IDBRequestData isolatedCopy() const; |
| |
| uint64_t serverConnectionIdentifier() const; |
| IDBResourceIdentifier requestIdentifier() const; |
| IDBResourceIdentifier transactionIdentifier() const; |
| uint64_t objectStoreIdentifier() const; |
| uint64_t indexIdentifier() const; |
| IndexedDB::IndexRecordType indexRecordType() const; |
| IDBResourceIdentifier cursorIdentifier() const; |
| |
| const IDBDatabaseIdentifier& databaseIdentifier() const { return m_databaseIdentifier; } |
| uint64_t requestedVersion() const; |
| |
| bool isOpenRequest() const { return m_requestType == IndexedDB::RequestType::Open; } |
| bool isDeleteRequest() const { return m_requestType == IndexedDB::RequestType::Delete; } |
| |
| IDBRequestData isolatedCopy(); |
| |
| WEBCORE_EXPORT IDBRequestData(); |
| |
| template<class Encoder> void encode(Encoder&) const; |
| template<class Decoder> static bool decode(Decoder&, IDBRequestData&); |
| |
| private: |
| static void isolatedCopy(const IDBRequestData& source, IDBRequestData& destination); |
| |
| uint64_t m_serverConnectionIdentifier { 0 }; |
| std::unique_ptr<IDBResourceIdentifier> m_requestIdentifier; |
| std::unique_ptr<IDBResourceIdentifier> m_transactionIdentifier; |
| std::unique_ptr<IDBResourceIdentifier> m_cursorIdentifier; |
| uint64_t m_objectStoreIdentifier { 0 }; |
| uint64_t m_indexIdentifier { 0 }; |
| IndexedDB::IndexRecordType m_indexRecordType; |
| |
| IDBDatabaseIdentifier m_databaseIdentifier; |
| uint64_t m_requestedVersion { 0 }; |
| |
| IndexedDB::RequestType m_requestType { IndexedDB::RequestType::Other }; |
| }; |
| |
| template<class Encoder> |
| void IDBRequestData::encode(Encoder& encoder) const |
| { |
| encoder << m_serverConnectionIdentifier << m_objectStoreIdentifier << m_indexIdentifier << m_databaseIdentifier << m_requestedVersion; |
| |
| encoder.encodeEnum(m_indexRecordType); |
| encoder.encodeEnum(m_requestType); |
| |
| encoder << !!m_requestIdentifier; |
| if (m_requestIdentifier) |
| encoder << *m_requestIdentifier; |
| |
| encoder << !!m_transactionIdentifier; |
| if (m_transactionIdentifier) |
| encoder << *m_transactionIdentifier; |
| |
| encoder << !!m_cursorIdentifier; |
| if (m_cursorIdentifier) |
| encoder << *m_cursorIdentifier; |
| } |
| |
| template<class Decoder> |
| bool IDBRequestData::decode(Decoder& decoder, IDBRequestData& request) |
| { |
| if (!decoder.decode(request.m_serverConnectionIdentifier)) |
| return false; |
| |
| if (!decoder.decode(request.m_objectStoreIdentifier)) |
| return false; |
| |
| if (!decoder.decode(request.m_indexIdentifier)) |
| return false; |
| |
| std::optional<IDBDatabaseIdentifier> databaseIdentifier; |
| decoder >> databaseIdentifier; |
| if (!databaseIdentifier) |
| return false; |
| request.m_databaseIdentifier = WTFMove(*databaseIdentifier); |
| |
| if (!decoder.decode(request.m_requestedVersion)) |
| return false; |
| |
| if (!decoder.decodeEnum(request.m_indexRecordType)) |
| return false; |
| |
| if (!decoder.decodeEnum(request.m_requestType)) |
| return false; |
| |
| bool hasObject; |
| |
| if (!decoder.decode(hasObject)) |
| return false; |
| if (hasObject) { |
| std::unique_ptr<IDBResourceIdentifier> object = std::make_unique<IDBResourceIdentifier>(); |
| if (!decoder.decode(*object)) |
| return false; |
| request.m_requestIdentifier = WTFMove(object); |
| } |
| |
| if (!decoder.decode(hasObject)) |
| return false; |
| if (hasObject) { |
| std::unique_ptr<IDBResourceIdentifier> object = std::make_unique<IDBResourceIdentifier>(); |
| if (!decoder.decode(*object)) |
| return false; |
| request.m_transactionIdentifier = WTFMove(object); |
| } |
| |
| if (!decoder.decode(hasObject)) |
| return false; |
| if (hasObject) { |
| std::unique_ptr<IDBResourceIdentifier> object = std::make_unique<IDBResourceIdentifier>(); |
| if (!decoder.decode(*object)) |
| return false; |
| request.m_cursorIdentifier = WTFMove(object); |
| } |
| |
| return true; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(INDEXED_DATABASE) |