/*
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* Copyright (c) 2010-2019 Belledonne Communications SARL.
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*
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* This file is part of Liblinphone.
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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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#pragma once
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#include <memory>
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#include <functional>
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namespace bctoolbox {
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class IOSUtilsInterface {
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public:
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virtual unsigned long beginBackgroundTask(const char *name, std::function<void()> cb) = 0;
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virtual void endBackgroundTask(unsigned long id) = 0;
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virtual bool isApplicationStateActive() = 0;
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virtual ~IOSUtilsInterface() = default;
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};
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class IOSUtils {
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public:
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unsigned long beginBackgroundTask(const char *name, std::function<void()> cb);
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void endBackgroundTask(unsigned long id);
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bool isApplicationStateActive();
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static IOSUtils& getUtils();
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IOSUtils(const IOSUtils&) = delete;
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IOSUtils& operator=(const IOSUtils&) = delete;
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~IOSUtils();
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private:
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void *mHandle;
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IOSUtilsInterface *mUtils;
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static std::unique_ptr<IOSUtils> sInstance;
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IOSUtils();
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bool isApp();
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void openDynamicLib();
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void *loadSymbol(const char *symbol);
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};
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} //namespace bctoolbox
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