src/servers/registrar/EventMaskWatcher.h

   1 //------------------------------------------------------------------------------
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   3 //
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   5 //      copy of this software and associated documentation files (the "Software"),
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   9 //      Software is furnished to do so, subject to the following conditions:
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  22 //      File Name:              EventMaskWatcher.h
  23 //      Author:                 Ingo Weinhold (bonefish@users.sf.net)
  24 //      Description:    EventMaskWatcher is a Watcher extended by an event mask.
  25 //                                      EventMaskWatcherFilter filters EventMaskWatchers with
  26 //                                      respect to their event mask and a specific event.
  27 //------------------------------------------------------------------------------
  28
  29 #ifndef EVENT_MASK_WATCHER_H
  30 #define EVENT_MASK_WATCHER_H
  31
  32 #include "Watcher.h"
  33
  34 // EventMaskWatcher
  35 class EventMaskWatcher : public Watcher {
  36 public:
  37         EventMaskWatcher(const BMessenger &target, uint32 eventMask);
  38
  39         uint32 EventMask() const;
  40
  41 private:
  42         uint32  fEventMask;
  43 };
  44
  45 // EventMaskWatcherFilter
  46 class EventMaskWatcherFilter : public WatcherFilter {
  47 public:
  48         EventMaskWatcherFilter(uint32 event);
  49
  50         virtual bool Filter(Watcher *watcher, BMessage *message);
  51
  52 private:
  53         uint32  fEvent;
  54 };
  55
  56 #endif  // EVENT_MASK_WATCHER_H