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#ifndef EFSW_FILEWATCHERFSEVENTS_HPP
#define EFSW_FILEWATCHERFSEVENTS_HPP
#include <efsw/FileWatcherImpl.hpp>
#if EFSW_PLATFORM == EFSW_PLATFORM_FSEVENTS
#include <CoreFoundation/CoreFoundation.h>
#include <CoreServices/CoreServices.h>
#include <dispatch/dispatch.h>
#include <efsw/WatcherFSEvents.hpp>
#include <map>
#include <vector>
#include <condition_variable>
#include <mutex>
namespace efsw {
/// Implementation for Win32 based on ReadDirectoryChangesW.
/// @class FileWatcherFSEvents
class FileWatcherFSEvents : public FileWatcherImpl {
friend class WatcherFSEvents;
public:
/// @return If FSEvents supports file-level notifications ( true if OS X >= 10.7 )
static bool isGranular();
/// type for a map from WatchID to WatcherWin32 pointer
typedef std::map<WatchID, WatcherFSEvents*> WatchMap;
FileWatcherFSEvents( FileWatcher* parent );
virtual ~FileWatcherFSEvents();
/// Add a directory watch
/// On error returns WatchID with Error type.
WatchID addWatch( const std::string& directory, FileWatchListener* watcher, bool recursive,
const std::vector<WatcherOption> &options ) override;
/// Remove a directory watch. This is a brute force lazy search O(nlogn).
void removeWatch( const std::string& directory ) override;
/// Remove a directory watch. This is a map lookup O(logn).
void removeWatch( WatchID watchid ) override;
/// Updates the watcher. Must be called often.
void watch() override;
/// Handles the action
void handleAction( Watcher* watch, const std::string& filename, unsigned long action,
std::string oldFilename = "" ) override;
/// @return Returns a list of the directories that are being watched
std::vector<std::string> directories() override;
protected:
static void FSEventCallback( ConstFSEventStreamRef streamRef, void* userData, size_t numEvents,
void* eventPaths, const FSEventStreamEventFlags eventFlags[],
const FSEventStreamEventId eventIds[] );
/// Vector of WatcherWin32 pointers
WatchMap mWatches;
/// The last watchid
WatchID mLastWatchID;
Mutex mWatchesLock;
bool pathInWatches( const std::string& path ) override;
std::mutex mWatchesMutex;
std::condition_variable mWatchCond;
};
} // namespace efsw
#endif
#endif
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