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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) ZenJu (zhnmju123 AT gmx DOT de) - All Rights Reserved *
// **************************************************************************
#ifndef WATCHER_H_INCLUDED
#define WATCHER_H_INCLUDED
#include <zen/zstring.h>
#include <vector>
#include <zen/file_error.h>
namespace rts
{
const int UI_UPDATE_INTERVAL = 100; //unit: [ms]; perform ui updates not more often than necessary, 100 seems to be a good value with only a minimal performance loss
bool updateUiIsAllowed();
class WaitCallback
{
public:
virtual ~WaitCallback() {}
virtual void requestUiRefresh(bool readyForSync = false) = 0; //opportunity to abort must be implemented in a frequently executed method like requestUiRefresh()
};
//wait until changes are detected or if a directory is not available (anymore)
enum ChangeType
{
CHANGE_DETECTED,
CHANGE_DIR_MISSING
};
struct WaitResult
{
WaitResult(ChangeType tp, const Zstring& chgFile) : type(tp), filename(chgFile) {}
ChangeType type;
Zstring filename; //file or directory name
};
WaitResult waitForChanges(const std::vector<Zstring>& dirNamesNonFmt,
//non-formatted dirnames that yet require call to getFormattedDirectoryName(); empty directories must be checked by caller!
WaitCallback& statusHandler); //throw FileError
//wait until all directories become available (again) + logs in network share
void waitForMissingDirs(const std::vector<Zstring>& dirNamesNonFmt,
WaitCallback& statusHandler); //throw FileError
}
#endif // WATCHER_H_INCLUDED
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