src/servers/registrar/WatchingService.h

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  22 //      File Name:              WatchingService.h
  23 //      Author:                 Ingo Weinhold (bonefish@users.sf.net)
  24 //      Description:    Features everything needed to provide a watching service.
  25 //------------------------------------------------------------------------------
  26
  27 #ifndef WATCHING_SERVICE_H
  28 #define WATCHING_SERVICE_H
  29
  30 #include <map>
  31
  32 #include <Messenger.h>
  33
  34 class Watcher;
  35 class WatcherFilter;
  36
  37 class WatchingService {
  38 public:
  39         WatchingService();
  40         virtual ~WatchingService();
  41
  42         bool AddWatcher(Watcher *watcher);
  43         bool AddWatcher(const BMessenger &target);
  44         bool RemoveWatcher(Watcher *watcher, bool deleteWatcher = true);
  45         bool RemoveWatcher(const BMessenger &target, bool deleteWatcher = true);
  46
  47         void NotifyWatchers(BMessage *message, WatcherFilter *filter = NULL);
  48
  49 private:
  50         typedef std::map<BMessenger,Watcher*> watcher_map;
  51
  52 private:
  53         watcher_map     fWatchers;
  54 };
  55
  56 #endif  // WATCHING_SERVICE_H