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https://gitlab.linphone.org/BC/public/linphone-desktop.git
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cd82964b23
Introduce ObjectCore, ObjectGui, ObjectModel. Simulate addAccount signals on adding account (in waiting for SDK callback).
78 lines
2 KiB
C++
78 lines
2 KiB
C++
/*
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* Copyright (c) 2010-2024 Belledonne Communications SARL.
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*
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* This file is part of linphone-desktop
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* (see https://www.linphone.org).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SAFE_SHARED_POINTER_H_
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#define SAFE_SHARED_POINTER_H_
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#include <QDebug>
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#include <QSharedPointer>
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// Store a Qt/Std shared pointer
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template <typename A>
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class SafeSharedPointer {
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public:
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QSharedPointer<A> mQData;
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QWeakPointer<A> mQDataWeak;
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std::shared_ptr<A> mStdData;
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std::weak_ptr<A> mStdDataWeak;
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int mCountRef = 0;
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SafeSharedPointer(QSharedPointer<A> p) : mQDataWeak(p) {
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}
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SafeSharedPointer(std::shared_ptr<A> p) : mStdDataWeak(p) {
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}
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bool lock() {
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if (mCountRef == 0) {
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if (!mQDataWeak.isNull()) {
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mQData = mQDataWeak.lock();
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if (mQData) ++mCountRef;
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return !mQData.isNull();
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} else if (!mStdDataWeak.expired()) {
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mStdData = mStdDataWeak.lock();
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if (mStdData) ++mCountRef;
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return mStdData != nullptr;
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}
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return false;
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} else {
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++mCountRef;
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return true;
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}
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}
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void unlock() {
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if (mCountRef == 0) qWarning() << "[SafeConnection] too much unlocking";
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else if (--mCountRef == 0) {
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mQData = nullptr;
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mStdData = nullptr;
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}
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}
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void reset() {
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mQData = nullptr;
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mStdData = nullptr;
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mCountRef = 0;
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}
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A *get() {
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if (mQData) return mQData.get();
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if (mStdData) return mStdData.get();
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return nullptr;
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}
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};
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#endif
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