| /* |
| * Copyright (C) 2015, 2016 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. ``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 |
| * 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 "DOMException.h" |
| #include "ExceptionCode.h" |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| class IDBError { |
| public: |
| WEBCORE_EXPORT explicit IDBError(Optional<ExceptionCode> = WTF::nullopt, const String& message = { }); |
| |
| static IDBError userDeleteError() |
| { |
| return IDBError { UnknownError, "Database deleted by request of the user"_s }; |
| } |
| |
| static IDBError serverConnectionLostError() |
| { |
| return IDBError { UnknownError, "Connection to Indexed Database server lost. Refresh the page to try again"_s }; |
| } |
| |
| RefPtr<DOMException> toDOMException() const; |
| |
| Optional<ExceptionCode> code() const { return m_code; } |
| String name() const; |
| String message() const; |
| |
| bool isNull() const { return !m_code; } |
| |
| WEBCORE_EXPORT IDBError isolatedCopy() const; |
| |
| template<class Encoder> void encode(Encoder&) const; |
| template<class Decoder> static bool decode(Decoder&, IDBError&); |
| |
| private: |
| Optional<ExceptionCode> m_code; |
| String m_message; |
| }; |
| |
| template<class Encoder> |
| void IDBError::encode(Encoder& encoder) const |
| { |
| if (m_code) { |
| encoder << true; |
| encoder.encodeEnum(m_code.value()); |
| } else |
| encoder << false; |
| encoder << m_message; |
| } |
| |
| template<class Decoder> |
| bool IDBError::decode(Decoder& decoder, IDBError& error) |
| { |
| bool hasCode = false; |
| if (!decoder.decode(hasCode)) |
| return false; |
| |
| if (hasCode) { |
| ExceptionCode ec; |
| if (!decoder.decodeEnum(ec)) |
| return false; |
| error.m_code = ec; |
| } else |
| error.m_code = WTF::nullopt; |
| |
| if (!decoder.decode(error.m_message)) |
| return false; |
| |
| return true; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(INDEXED_DATABASE) |