headers/private/debugger/files/LocatableFile.h

   1 /*
   2  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef LOCATABLE_FILE_H
   6 #define LOCATABLE_FILE_H
   7
   8 #include <ObjectList.h>
   9
  10 #include "LocatableEntry.h"
  11
  12
  13 class LocatableFile : public LocatableEntry {
  14 public:
  15         class Listener;
  16
  17 public:
  18                                                                 LocatableFile(LocatableEntryOwner* owner,
  19                                                                         LocatableDirectory* directory,
  20                                                                         const BString& name);
  21                                                                 ~LocatableFile();
  22
  23         virtual const char*                     Name() const;
  24                         void                            GetPath(BString& _path) const;
  25
  26                         // mutable (requires/does locking)
  27         virtual bool                            GetLocatedPath(BString& _path) const;
  28         virtual void                            SetLocatedPath(const BString& path,
  29                                                                         bool implicit);
  30
  31                         bool                            AddListener(Listener* listener);
  32                         void                            RemoveListener(Listener* listener);
  33
  34 private:
  35                         typedef BObjectList<Listener> ListenerList;
  36
  37 private:
  38                         void                            _NotifyListeners();
  39
  40 private:
  41                         BString                         fName;
  42                         BString                         fLocatedPath;
  43                         ListenerList            fListeners;
  44 };
  45
  46
  47 class LocatableFile::Listener {
  48 public:
  49         virtual                                         ~Listener();
  50
  51         virtual void                            LocatableFileChanged(LocatableFile* file) = 0;
  52                                                                         // called with lock held
  53 };
  54
  55
  56 #endif  // LOCATABLE_FILE_H