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/*
* Copyright (C) 2019 Igalia S.L.
*
* 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
#include <wtf/ArgumentCoder.h>
#include <wtf/Vector.h>
#include <wtf/glib/GRefPtr.h>
#include <wtf/text/CString.h>
typedef struct _GUnixFDList GUnixFDList;
typedef struct _GVariant GVariant;
namespace IPC {
class Decoder;
class Encoder;
}
namespace WebKit {
struct UserMessage {
enum class Type : uint8_t {
Null,
Message,
Error,
};
UserMessage()
: type(Type::Null)
{
}
UserMessage(const CString& name, uint32_t errorCode)
: type(Type::Error)
, name(name)
, errorCode(errorCode)
{
}
UserMessage(const CString& name, GRefPtr<GVariant>& parameters, GRefPtr<GUnixFDList>& fileDescriptors)
: type(Type::Message)
, name(name)
, parameters(parameters)
, fileDescriptors(fileDescriptors)
{
}
Type type { Type::Null };
CString name;
GRefPtr<GVariant> parameters;
GRefPtr<GUnixFDList> fileDescriptors;
uint32_t errorCode { 0 };
struct NullMessage {
};
struct ErrorMessage {
CString name;
uint32_t errorCode;
};
struct DataMessage {
CString name;
GRefPtr<GVariant> parameters;
GRefPtr<GUnixFDList> fileDescriptors;
};
private:
friend struct IPC::ArgumentCoder<UserMessage, void>;
using IPCData = std::variant<NullMessage, ErrorMessage, DataMessage>;
static UserMessage fromIPCData(IPCData&&);
IPCData toIPCData() const;
};
} // namespace WebKit
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