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/**
* This file is part of TelepathyQt
*
* @copyright Copyright (C) 2009 Collabora Ltd. <http://www.collabora.co.uk/>
* @copyright Copyright (C) 2009 Nokia Corporation
* @license LGPL 2.1
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _TelepathyQt_method_invocation_context_h_HEADER_GUARD_
#define _TelepathyQt_method_invocation_context_h_HEADER_GUARD_
#ifndef IN_TP_QT_HEADER
#error IN_TP_QT_HEADER
#endif
#include <QtDBus>
#include <QtCore>
namespace Tp
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
namespace MethodInvocationContextTypes
{
struct Nil
{
};
template<int Index,
typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6, typename T7, typename T8>
struct Select
{
typedef Select<Index - 1, T2, T3, T4, T5, T6, T7, T8, Nil> Next;
typedef typename Next::Type Type;
};
template<typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6, typename T7, typename T8>
struct Select<0, T1, T2, T3, T4, T5, T6, T7, T8>
{
typedef T1 Type;
};
template<typename T1, typename T2, typename T3, typename T4,
typename T5, typename T6, typename T7, typename T8>
struct ForEach
{
typedef ForEach<T2, T3, T4, T5, T6, T7, T8, Nil> Next;
enum { Total = Next::Total + 1 };
};
template<>
struct ForEach<Nil, Nil, Nil, Nil, Nil, Nil, Nil, Nil>
{
enum { Total = 0 };
};
}
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
template<typename T1 = MethodInvocationContextTypes::Nil, typename T2 = MethodInvocationContextTypes::Nil,
typename T3 = MethodInvocationContextTypes::Nil, typename T4 = MethodInvocationContextTypes::Nil,
typename T5 = MethodInvocationContextTypes::Nil, typename T6 = MethodInvocationContextTypes::Nil,
typename T7 = MethodInvocationContextTypes::Nil, typename T8 = MethodInvocationContextTypes::Nil>
class MethodInvocationContext : public RefCounted
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
template<int Index>
struct Select : MethodInvocationContextTypes::Select<Index, T1, T2, T3, T4, T5, T6, T7, T8>
{
};
typedef MethodInvocationContextTypes::ForEach<T1, T2, T3, T4, T5, T6, T7, T8> ForEach;
enum { Count = ForEach::Total };
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
public:
MethodInvocationContext(const QDBusConnection &bus, const QDBusMessage &message)
: mBus(bus), mMessage(message), mFinished(false)
{
mMessage.setDelayedReply(true);
}
virtual ~MethodInvocationContext()
{
if (!mFinished) {
setFinishedWithError(QString(), QString());
}
}
bool isFinished() const { return mFinished; }
bool isError() const { return !mErrorName.isEmpty(); }
QString errorName() const { return mErrorName; }
QString errorMessage() const { return mErrorMessage; }
void setFinished(const T1 &t1 = T1(), const T2 &t2 = T2(), const T3 &t3 = T3(),
const T4 &t4 = T4(), const T5 &t5 = T5(), const T6 &t6 = T6(),
const T7 &t7 = T7(), const T8 &t8 = T8())
{
if (mFinished) {
return;
}
mFinished = true;
setReplyValue(0, qVariantFromValue(t1));
setReplyValue(1, qVariantFromValue(t2));
setReplyValue(2, qVariantFromValue(t3));
setReplyValue(3, qVariantFromValue(t4));
setReplyValue(4, qVariantFromValue(t5));
setReplyValue(5, qVariantFromValue(t6));
setReplyValue(6, qVariantFromValue(t7));
setReplyValue(7, qVariantFromValue(t8));
if (mReply.isEmpty()) {
mBus.send(mMessage.createReply());
} else {
mBus.send(mMessage.createReply(mReply));
}
onFinished();
}
void setFinishedWithError(const QString &errorName,
const QString &errorMessage)
{
if (mFinished) {
return;
}
mFinished = true;
if (errorName.isEmpty()) {
mErrorName = QLatin1String("org.freedesktop.Telepathy.Qt.ErrorHandlingError");
} else {
mErrorName = errorName;
}
mErrorMessage = errorMessage;
mBus.send(mMessage.createErrorReply(mErrorName, mErrorMessage));
onFinished();
}
template<int Index> inline
typename Select<Index>::Type argumentAt() const
{
Q_ASSERT(Index >= 0 && Index < Count);
return qdbus_cast<typename Select<Index>::Type>(mReply.value(Index));
}
protected:
virtual void onFinished() {}
private:
Q_DISABLE_COPY(MethodInvocationContext)
void setReplyValue(int index, const QVariant &value)
{
if (index >= Count) {
return;
}
mReply.insert(index, value);
}
QDBusConnection mBus;
QDBusMessage mMessage;
bool mFinished;
QList<QVariant> mReply;
QString mErrorName;
QString mErrorMessage;
};
} // Tp
Q_DECLARE_METATYPE(Tp::MethodInvocationContextTypes::Nil)
#endif
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