src/servers/launch/VolumeWatcher.h

   1 /*
   2  * Copyright 2015, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef VOLUME_WATCHER_H
   6 #define VOLUME_WATCHER_H
   7
   8
   9 #include <Handler.h>
  10 #include <ObjectList.h>
  11
  12
  13 class VolumeListener {
  14 public:
  15         virtual                                         ~VolumeListener();
  16
  17         virtual void                            VolumeMounted(dev_t device) = 0;
  18         virtual void                            VolumeUnmounted(dev_t device) = 0;
  19 };
  20
  21
  22 class VolumeWatcher : public BHandler {
  23 public:
  24                                                                 VolumeWatcher();
  25         virtual                                         ~VolumeWatcher();
  26
  27                         void                            AddListener(VolumeListener* listener);
  28                         void                            RemoveListener(VolumeListener* listener);
  29                         int32                           CountListeners() const;
  30
  31         virtual void                            MessageReceived(BMessage* message);
  32
  33         static  void                            Register(VolumeListener* listener);
  34         static  void                            Unregister(VolumeListener* listener);
  35
  36 protected:
  37                         BObjectList<VolumeListener>
  38                                                                 fListeners;
  39 };
  40
  41
  42 #endif // VOLUME_WATCHER_H