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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 <efsw/WatcherFSEvents.hpp>
#include <list>
#include <map>
#include <vector>
namespace efsw {
/* OSX < 10.7 has no file events */
/* So i declare the events constants */
enum FSEventEvents {
efswFSEventStreamCreateFlagFileEvents = 0x00000010,
efswFSEventStreamEventFlagItemCreated = 0x00000100,
efswFSEventStreamEventFlagItemRemoved = 0x00000200,
efswFSEventStreamEventFlagItemInodeMetaMod = 0x00000400,
efswFSEventStreamEventFlagItemRenamed = 0x00000800,
efswFSEventStreamEventFlagItemModified = 0x00001000,
efswFSEventStreamEventFlagItemFinderInfoMod = 0x00002000,
efswFSEventStreamEventFlagItemChangeOwner = 0x00004000,
efswFSEventStreamEventFlagItemXattrMod = 0x00008000,
efswFSEventStreamEventFlagItemIsFile = 0x00010000,
efswFSEventStreamEventFlagItemIsDir = 0x00020000,
efswFSEventStreamEventFlagItemIsSymlink = 0x00040000,
efswFSEventsModified = efswFSEventStreamEventFlagItemFinderInfoMod |
efswFSEventStreamEventFlagItemModified |
efswFSEventStreamEventFlagItemInodeMetaMod
};
/// 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 );
/// Remove a directory watch. This is a brute force lazy search O(nlogn).
void removeWatch( const std::string& directory );
/// Remove a directory watch. This is a map lookup O(logn).
void removeWatch( WatchID watchid );
/// Updates the watcher. Must be called often.
void watch();
/// Handles the action
void handleAction( Watcher* watch, const std::string& filename, unsigned long action,
std::string oldFilename = "" );
/// @return Returns a list of the directories that are being watched
std::list<std::string> directories();
protected:
static void FSEventCallback( ConstFSEventStreamRef streamRef, void* userData, size_t numEvents,
void* eventPaths, const FSEventStreamEventFlags eventFlags[],
const FSEventStreamEventId eventIds[] );
Atomic<CFRunLoopRef> mRunLoopRef;
/// Vector of WatcherWin32 pointers
WatchMap mWatches;
/// The last watchid
WatchID mLastWatchID;
Thread* mThread;
Mutex mWatchesLock;
bool pathInWatches( const std::string& path );
std::vector<WatcherFSEvents*> mNeedInit;
Mutex mNeedInitMutex;
private:
void run();
};
} // namespace efsw
#endif
#endif
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