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

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/* This file is part of Clementine.
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Copyright 2010, David Sansome <davidsansome@gmail.com>
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Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
2014-11-02 19:36:21 +01:00
Copyright 2014, John Maguire <john.maguire@gmail.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 SCOPEDGOBJECT_H
#define SCOPEDGOBJECT_H
#include <glib-object.h>
#include <QtDebug>
template <typename T>
class ScopedGObject {
public:
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ScopedGObject() : object_(nullptr) {}
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explicit ScopedGObject(const ScopedGObject& other) : object_(nullptr) {
reset(other.object_);
}
~ScopedGObject() { reset(); }
ScopedGObject& operator=(const ScopedGObject& other) {
reset(other.object_);
return *this;
}
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void reset(T* new_object = nullptr) {
if (new_object) g_object_ref(new_object);
reset_without_add(new_object);
}
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void reset_without_add(T* new_object = nullptr) {
if (object_) g_object_unref(object_);
object_ = new_object;
}
T* get() const { return object_; }
operator T*() const { return get(); }
T* operator*() const { return get(); }
operator bool() const { return get(); }
bool operator==(const ScopedGObject& other) const {
return object_ == other.object_;
}
private:
T* object_;
};
#endif // SCOPEDGOBJECT_H