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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef BACKENDS_CLOUD_STORAGE_H
#define BACKENDS_CLOUD_STORAGE_H
#include "common/array.h"
#include "common/stream.h"
#include "common/str.h"
#include "common/callback.h"
#include "backends/cloud/storagefile.h"
#include "backends/cloud/storageinfo.h"
#include "backends/networking/curl/networkreadstream.h"
namespace Cloud {
class Storage {
public:
typedef Common::BaseCallback< Common::Array<StorageFile> > *FileArrayCallback;
typedef Common::BaseCallback<Common::ReadStream *> *ReadStreamCallback;
typedef Common::BaseCallback<StorageInfo> *StorageInfoCallback;
typedef Common::BaseCallback<bool> *BoolCallback;
Storage() {}
virtual ~Storage() {}
/**
* Storage methods, which are used by CloudManager to save
* storage in configuration file.
*/
/**
* Save storage data using ConfMan.
* @param keyPrefix all saved keys must start with this prefix.
* @note every Storage must write keyPrefix + "type" key
* with common value (e.g. "Dropbox").
*/
virtual void saveConfig(Common::String keyPrefix) = 0;
/**
* Public Cloud API comes down there.
*
* All Cloud API methods return int32 request id, which might be used to access
* request through ConnectionManager. All methods also accept a callback, which
* would be called, when request is complete.
*/
/** Returns Common::Array<StorageFile>. */
virtual int32 listDirectory(Common::String path, FileArrayCallback callback, bool recursive = false) = 0;
/** Calls the callback when finished. */
virtual int32 upload(Common::String path, Common::ReadStream *contents, BoolCallback callback) = 0;
/** Returns pointer to Networking::NetworkReadStream. */
virtual Networking::NetworkReadStream *streamFile(Common::String path) = 0; //TODO: return int32 somehow
/** Calls the callback when finished. */
virtual int32 download(Common::String remotePath, Common::String localPath, BoolCallback callback) = 0;
/** Calls the callback when finished. */
virtual int32 remove(Common::String path, BoolCallback callback) = 0;
/** Calls the callback when finished. */
virtual int32 syncSaves(BoolCallback callback) = 0;
/** Calls the callback when finished. */
virtual int32 createDirectory(Common::String path, BoolCallback callback) = 0;
/** Calls the callback when finished. */
virtual int32 touch(Common::String path, BoolCallback callback) = 0;
/** Returns the StorageInfo struct. */
virtual int32 info(StorageInfoCallback callback) = 0;
/** Returns whether saves sync process is running. */
virtual bool isSyncing() = 0;
/** Returns whether there are any requests running. */
virtual bool isWorking() = 0;
};
} //end of namespace Cloud
#endif
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