headers/os/storage/Volume.h

   1 /*
   2  * Copyright 2002-2009, Haiku Inc. All Rights Reserved.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _VOLUME_H
   6 #define _VOLUME_H
   7
   8
   9 #include <sys/types.h>
  10
  11 #include <fs_info.h>
  12 #include <Mime.h>
  13 #include <StorageDefs.h>
  14 #include <SupportDefs.h>
  15
  16
  17 class BDirectory;
  18 class BBitmap;
  19
  20
  21 class BVolume {
  22 public:
  23                                                         BVolume();
  24                                                         BVolume(dev_t device);
  25                                                         BVolume(const BVolume& volume);
  26         virtual                                 ~BVolume();
  27
  28                         status_t                InitCheck() const;
  29                         status_t                SetTo(dev_t device);
  30                         void                    Unset();
  31
  32                         dev_t                   Device() const;
  33
  34                         status_t                GetRootDirectory(BDirectory* directory) const;
  35
  36                         off_t                   Capacity() const;
  37                         off_t                   FreeBytes() const;
  38                         off_t                   BlockSize() const;
  39
  40                         status_t                GetName(char* name) const;
  41                         status_t                SetName(const char* name);
  42
  43                         status_t                GetIcon(BBitmap* icon, icon_size which) const;
  44                         status_t                GetIcon(uint8** _data, size_t* _size,
  45                                                                 type_code* _type) const;
  46
  47                         bool                    IsRemovable() const;
  48                         bool                    IsReadOnly() const;
  49                         bool                    IsPersistent() const;
  50                         bool                    IsShared() const;
  51                         bool                    KnowsMime() const;
  52                         bool                    KnowsAttr() const;
  53                         bool                    KnowsQuery() const;
  54
  55                         bool                    operator==(const BVolume& volume) const;
  56                         bool                    operator!=(const BVolume& volume) const;
  57                         BVolume&                operator=(const BVolume& volume);
  58
  59 private:
  60         virtual void                    _TurnUpTheVolume1();
  61         virtual void                    _TurnUpTheVolume2();
  62         virtual void                    _TurnUpTheVolume3();
  63         virtual void                    _TurnUpTheVolume4();
  64         virtual void                    _TurnUpTheVolume5();
  65         virtual void                    _TurnUpTheVolume6();
  66         virtual void                    _TurnUpTheVolume7();
  67         virtual void                    _TurnUpTheVolume8();
  68
  69                         dev_t                   fDevice;
  70                                                                 // The device ID of the volume.
  71                         status_t                fCStatus;
  72                                                                 // The initialization status of the object.
  73                         int32                   _reserved[8];
  74                                                                 // FBC
  75 };
  76
  77
  78 #endif  // _VOLUME_H