Clementine-audio-player-Mac.../src/core/closure.h

71 lines
1.7 KiB
C++

/* This file is part of Clementine.
Copyright 2011, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CLOSURE_H
#define CLOSURE_H
#include <QMetaMethod>
#include <QObject>
#include <boost/scoped_ptr.hpp>
#include "core/logging.h"
class ClosureArgumentWrapper {
public:
virtual ~ClosureArgumentWrapper() {}
virtual QGenericArgument arg() const = 0;
};
template<typename T>
class ClosureArgument : public ClosureArgumentWrapper {
public:
ClosureArgument(const T& data) : data_(data) {}
virtual QGenericArgument arg() const {
return Q_ARG(T, data_);
}
private:
T data_;
};
class Closure : public QObject {
Q_OBJECT
public:
Closure(QObject* sender, const char* signal,
QObject* receiver, const char* slot,
const ClosureArgumentWrapper* val0 = 0,
const ClosureArgumentWrapper* val1 = 0);
private slots:
void Invoked();
void Cleanup();
private:
QMetaMethod slot_;
boost::scoped_ptr<const ClosureArgumentWrapper> val0_;
boost::scoped_ptr<const ClosureArgumentWrapper> val1_;
};
#define C_ARG(type, data) new ClosureArgument<type>(data)
#endif // CLOSURE_H