basestorage.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef BACKENDS_CLOUD_BASE_STORAGE_H
#define BACKENDS_CLOUD_BASE_STORAGE_H
 
#include "backends/cloud/storage.h"
#include "backends/networking/http/httpjsonrequest.h"
 
namespace Cloud {
 
class BaseStorage: public Cloud::Storage {
protected:
    Common::String _token, _refreshToken;
 
    virtual void getAccessToken(const Common::String &code, Networking::ErrorCallback callback);
 
    virtual void codeFlowComplete(Networking::ErrorCallback callback, const Networking::JsonResponse &response);
 
    virtual void codeFlowFailed(Networking::ErrorCallback callback, const Networking::ErrorResponse &error);
 
    virtual Common::String cloudProvider() = 0;
 
    virtual uint32 storageIndex() = 0;
 
    virtual bool needsRefreshToken() = 0;
 
    virtual bool canReuseRefreshToken() = 0;
 
private:
    void tokenRefreshed(BoolCallback callback, const Networking::JsonResponse &response);
 
protected:
    void saveIsEnabledFlag(const Common::String &keyPrefix) const;
 
    static bool loadIsEnabledFlag(const Common::String &keyPrefix);
 
    static void removeIsEnabledFlag(const Common::String &keyPrefix);
 
public:
    BaseStorage();
    BaseStorage(const Common::String &token, const Common::String &refreshToken, bool enabled = false);
    ~BaseStorage() override;
 
    virtual void refreshAccessToken(BoolCallback callback, Networking::ErrorCallback errorCallback = nullptr);
};
 
} // End of namespace Cloud
 
#endif