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Vitalii Arteev
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Oct 14, 2020
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/********************************************************************** | ||
** | ||
** Copyright (C) 2020 Luxoft Sweden AB | ||
** | ||
** This file is part of the FaceLift project | ||
** | ||
** Permission is hereby granted, freIPCServiceAdapterBasee of charge, to any person | ||
** obtaining a copy of this software and associated documentation files | ||
** (the "Software"), to deal in the Software without restriction, | ||
** including without limitation the rights to use, copy, modify, merge, | ||
** publish, distribute, sublicense, and/or sell copies of the Software, | ||
** and to permit persons to whom the Software is furnished to do so, | ||
** subject to the following conditions: | ||
** | ||
** The above copyright notice and this permission notice shall be | ||
** included in all copies or substantial portions of the Software. | ||
** | ||
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | ||
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | ||
** BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | ||
** ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | ||
** CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
** SOFTWARE. | ||
** | ||
** SPDX-License-Identifier: MIT | ||
** | ||
**********************************************************************/ | ||
#pragma once | ||
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#include <memory> | ||
#include <QObject> | ||
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namespace facelift { | ||
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class IObserver : public QObject | ||
{ | ||
Q_OBJECT | ||
public: | ||
virtual void onReadyChanged(std::shared_ptr<QMetaObject::Connection> connection ) = 0; | ||
}; | ||
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// Single-time observer which will unregister itself when done | ||
template<typename Function> | ||
class SingleTimeObserver : public IObserver | ||
{ | ||
Function m_func; | ||
public: | ||
explicit SingleTimeObserver(Function func): m_func{func} {} | ||
~SingleTimeObserver()=default; | ||
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void onReadyChanged(std::shared_ptr<QMetaObject::Connection> connection) override { | ||
m_func(); | ||
QObject::disconnect(*connection); | ||
} | ||
}; | ||
// Standard observer which will work for each signal | ||
template<typename Function> | ||
class StandartObserver : public IObserver | ||
{ | ||
Function m_func; | ||
public: | ||
explicit StandartObserver(Function func): m_func{func} {} | ||
~StandartObserver()=default; | ||
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void onReadyChanged(std::shared_ptr<QMetaObject::Connection> connection ) override { | ||
Q_UNUSED(connection) | ||
m_func(); | ||
} | ||
}; | ||
} |