src/servers/midi/DeviceWatcher.h

   1 /*
   2  * Copyright 2004-2009, Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Matthijs Hollemans
   7  *              Jerome Leveque
   8  *              Philippe Houdoin
   9  */
  10 #ifndef DEVICE_WATCHER_H
  11 #define DEVICE_WATCHER_H
  12
  13 #include <Looper.h>
  14
  15 #include "HashMap.h"
  16 #include "HashString.h"
  17
  18 class BBitmap;
  19 class BMidiEndpoint;
  20 class DeviceEndpoints;
  21
  22 class DeviceWatcher : public BLooper {
  23 public:
  24                                 DeviceWatcher();
  25                                 ~DeviceWatcher();
  26
  27         void            MessageReceived(BMessage* message);
  28
  29         status_t        Start();
  30         status_t        Stop();
  31
  32 private:
  33         static int32 _InitialDevicesScanThread(void* data);
  34         void _ScanDevices(const char* path);
  35         void _AddDevice(const char* path);
  36         void _RemoveDevice(const char* path);
  37         void _SetIcons(BMidiEndpoint* endp);
  38
  39         typedef HashMap<HashString, DeviceEndpoints*> DeviceEndpointsMap;
  40         DeviceEndpointsMap              fDeviceEndpointsMap;
  41
  42         uint8* fVectorIconData;
  43         size_t fVectorIconDataSize;
  44         BBitmap* fLargeIcon;
  45         BBitmap* fMiniIcon;
  46 };
  47
  48 #endif // DEVICE_WATCHER_H