mirror of
https://github.com/qbittorrent/qBittorrent.git
synced 2025-01-07 15:47:25 +03:00
49aab492e0
WebAPI functionality is preserved (deprecated) for now and should be removed in the future.
97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
/*
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* Bittorrent Client using Qt and libtorrent.
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* Copyright (C) 2016 Vladimir Golovnev <glassez@yandex.ru>
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* Copyright (C) 2014 sledgehammer999 <hammered999@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link this program with the OpenSSL project's "OpenSSL" library (or with
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* modified versions of it that use the same license as the "OpenSSL" library),
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* and distribute the linked executables. You must obey the GNU General Public
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* License in all respects for all of the code used other than "OpenSSL". If you
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* modify file(s), you may extend this exception to your version of the file(s),
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* but you are not obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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#pragma once
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#include <type_traits>
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#include <QObject>
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#include <QReadWriteLock>
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#include <QTimer>
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#include <QVariantHash>
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#include "utils/string.h"
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class SettingsStorage : public QObject
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{
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Q_OBJECT
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SettingsStorage();
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~SettingsStorage();
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public:
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static void initInstance();
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static void freeInstance();
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static SettingsStorage *instance();
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template <typename T>
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T loadValue(const QString &key, const T &defaultValue = {}) const
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{
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if constexpr (std::is_enum_v<T>)
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{
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const auto value = loadValueImpl(key).toString();
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return Utils::String::toEnum(value, defaultValue);
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}
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else if constexpr (std::is_same_v<T, QVariant>)
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{
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return loadValueImpl(key, defaultValue);
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}
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else
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{
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const QVariant value = loadValueImpl(key);
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// check if retrieved value is convertible to T
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return value.template canConvert<T>() ? value.template value<T>() : defaultValue;
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}
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}
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template <typename T>
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void storeValue(const QString &key, const T &value)
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{
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if constexpr (std::is_enum_v<T>)
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storeValueImpl(key, Utils::String::fromEnum(value));
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else
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storeValueImpl(key, value);
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}
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void removeValue(const QString &key);
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bool hasKey(const QString &key) const;
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public slots:
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bool save();
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private:
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QVariant loadValueImpl(const QString &key, const QVariant &defaultValue = {}) const;
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void storeValueImpl(const QString &key, const QVariant &value);
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static SettingsStorage *m_instance;
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bool m_dirty = false;
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QVariantHash m_data;
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QTimer m_timer;
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mutable QReadWriteLock m_lock;
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};
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