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#ifndef EFSW_FILEWATCHERIMPL_HPP
#define EFSW_FILEWATCHERIMPL_HPP
#include <efsw/Atomic.hpp>
#include <efsw/Mutex.hpp>
#include <efsw/Thread.hpp>
#include <efsw/Watcher.hpp>
#include <efsw/base.hpp>
#include <efsw/efsw.hpp>
namespace efsw {
class FileWatcherImpl {
public:
FileWatcherImpl( FileWatcher* parent );
virtual ~FileWatcherImpl();
/// Add a directory watch
/// On error returns WatchID with Error type.
virtual WatchID addWatch( const std::string& directory, FileWatchListener* watcher,
bool recursive ) = 0;
/// Remove a directory watch. This is a brute force lazy search O(nlogn).
virtual void removeWatch( const std::string& directory ) = 0;
/// Remove a directory watch. This is a map lookup O(logn).
virtual void removeWatch( WatchID watchid ) = 0;
/// Updates the watcher. Must be called often.
virtual void watch() = 0;
/// Handles the action
virtual void handleAction( Watcher* watch, const std::string& filename, unsigned long action,
std::string oldFilename = "" ) = 0;
/// @return Returns a list of the directories that are being watched
virtual std::list<std::string> directories() = 0;
/// @return true if the backend init successfully
virtual bool initOK();
/// @return If the link is allowed according to the current path and the state of out scope
/// links
virtual bool linkAllowed( const std::string& curPath, const std::string& link );
/// Search if a directory already exists in the watches
virtual bool pathInWatches( const std::string& path ) = 0;
FileWatcher* mFileWatcher;
Atomic<bool> mInitOK;
bool mIsGeneric;
};
} // namespace efsw
#endif
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