src/kits/tracker/VirtualDirectoryEntryList.h

   1 /*
   2  * Copyright 2013, Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Ingo Weinhold, ingo_weinhold@gmx.de
   7  */
   8 #ifndef _VIRTUAL_DIRECTORY_ENTRY_LIST_H
   9 #define _VIRTUAL_DIRECTORY_ENTRY_LIST_H
  10
  11
  12 #include <StringList.h>
  13
  14 #include <MergedDirectory.h>
  15
  16 #include "EntryIterator.h"
  17
  18
  19 namespace BPrivate {
  20
  21 class Model;
  22
  23 class VirtualDirectoryEntryList : public EntryListBase {
  24 public:
  25                                                                 VirtualDirectoryEntryList(Model* model);
  26                                                                 VirtualDirectoryEntryList(
  27                                                                         const node_ref& definitionFileRef,
  28                                                                         const BStringList& directoryPaths);
  29         virtual                                         ~VirtualDirectoryEntryList();
  30
  31         virtual status_t                        InitCheck() const;
  32
  33         virtual status_t                        GetNextEntry(BEntry* entry,
  34                                                                         bool traverse = false);
  35         virtual status_t                        GetNextRef(entry_ref* ref);
  36         virtual int32                           GetNextDirents(struct dirent* buffer,
  37                                                                         size_t length, int32 count = INT_MAX);
  38
  39         virtual status_t                        Rewind();
  40         virtual int32                           CountEntries();
  41
  42 private:
  43
  44                         status_t                        _InitMergedDirectory(
  45                                                                         const BStringList& directoryPaths);
  46 private:
  47                         node_ref                        fDefinitionFileRef;
  48                         BMergedDirectory        fMergedDirectory;
  49 };
  50
  51 } // namespace BPrivate
  52
  53
  54 #endif  // _VIRTUAL_DIRECTORY_ENTRY_LIST_H