src/palmos/volume.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/palmos/volume.cpp
   3 // Purpose:     wxFSVolume - encapsulates system volume information
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by:
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "fsvolume.h"
  22 #endif
  23
  24 #include "wx/wxprec.h"
  25
  26 #ifdef __BORLANDC__
  27     #pragma hdrstop
  28 #endif
  29
  30 #if wxUSE_FSVOLUME
  31
  32 #ifndef WX_PRECOMP
  33     #if wxUSE_GUI
  34         #include "wx/icon.h"
  35     #endif
  36     #include "wx/intl.h"
  37 #endif // WX_PRECOMP
  38
  39 #include "wx/arrstr.h"
  40 #include "wx/volume.h"
  41
  42 #include "VFSMgr.h"
  43
  44 #if wxUSE_BASE
  45
  46 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  47 // Globals/Statics
  48 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  49 static long s_cancelSearch = FALSE;
  50
  51 struct FileInfo
  52 {
  53     FileInfo(unsigned flag=0, wxFSVolumeKind type=wxFS_VOL_OTHER) :
  54         m_flags(flag), m_type(type) {}
  55
  56     FileInfo(const FileInfo& other) { *this = other; }
  57     FileInfo& operator=(const FileInfo& other)
  58     {
  59         m_flags = other.m_flags;
  60         m_type = other.m_type;
  61         return *this;
  62     }
  63
  64     unsigned m_flags;
  65     wxFSVolumeKind m_type;
  66 };
  67
  68 WX_DECLARE_STRING_HASH_MAP(FileInfo, FileInfoMap);
  69
  70 // Cygwin bug (?) destructor for global s_fileInfo is called twice...
  71 static FileInfoMap& GetFileInfoMap()
  72 {
  73     static FileInfoMap s_fileInfo(25);
  74
  75     return s_fileInfo;
  76 }
  77 #define s_fileInfo (GetFileInfoMap())
  78
  79 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  80 // Local helper functions.
  81 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  82
  83 //=============================================================================
  84 // Function: GetBasicFlags
  85 // Purpose: Set basic flags, primarily wxFS_VOL_REMOTE and wxFS_VOL_REMOVABLE.
  86 // Notes: - Local and mapped drives are mounted by definition.  We have no
  87 //          way to determine mounted status of network drives, so assume that
  88 //          all drives are mounted, and let the caller decide otherwise.
  89 //        - Other flags are 'best guess' from type of drive.  The system will
  90 //          not report the file attributes with any degree of accuracy.
  91 //=============================================================================
  92 static unsigned GetBasicFlags(const wxChar* filename)
  93 {
  94     unsigned flags = wxFS_VOL_MOUNTED;
  95
  96     return flags;
  97 } // GetBasicFlags
  98
  99 //=============================================================================
 100 // Function: FilteredAdd
 101 // Purpose: Add a file to the list if it meets the filter requirement.
 102 // Notes: - See GetBasicFlags for remarks about the Mounted flag.
 103 //=============================================================================
 104 static bool FilteredAdd(wxArrayString& list, const wxChar* filename,
 105                         unsigned flagsSet, unsigned flagsUnset)
 106 {
 107     return false;
 108 } // FilteredAdd
 109
 110 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 111 // wxFSVolume
 112 //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 113
 114 //=============================================================================
 115 // Function: GetVolumes
 116 // Purpose: Generate and return a list of all volumes (drives) available.
 117 // Notes:
 118 //=============================================================================
 119 wxArrayString wxFSVolumeBase::GetVolumes(int flagsSet, int flagsUnset)
 120 {
 121     wxArrayString list;
 122
 123     UInt16 refNum;
 124     UInt32 it = vfsIteratorStart;
 125
 126     while (it != vfsIteratorStop)
 127     {
 128         status_t err = VFSVolumeEnumerate(&refNum, &it);
 129         if (err == errNone)
 130         {
 131             // manual: "Volume labels can be up to 255 characters long."
 132             char label[256];
 133             err = VFSVolumeGetLabel(refNum,label,256);
 134             if (err == errNone)
 135             {
 136                 list.Add(wxString::FromAscii(label));
 137             }
 138         }
 139
 140         if (err != errNone)
 141             break;
 142     }
 143
 144     return list;
 145 } // GetVolumes
 146
 147 //=============================================================================
 148 // Function: CancelSearch
 149 // Purpose: Instruct an active search to stop.
 150 // Notes: - This will only sensibly be called by a thread other than the one
 151 //          performing the search.  This is the only thread-safe function
 152 //          provided by the class.
 153 //=============================================================================
 154 void wxFSVolumeBase::CancelSearch()
 155 {
 156 } // CancelSearch
 157
 158 //=============================================================================
 159 // Function: constructor
 160 // Purpose: default constructor
 161 //=============================================================================
 162 wxFSVolumeBase::wxFSVolumeBase()
 163 {
 164 } // wxVolume
 165
 166 //=============================================================================
 167 // Function: constructor
 168 // Purpose: constructor that calls Create
 169 //=============================================================================
 170 wxFSVolumeBase::wxFSVolumeBase(const wxString& name)
 171 {
 172 } // wxVolume
 173
 174 //=============================================================================
 175 // Function: Create
 176 // Purpose: Finds, logs in, etc. to the request volume.
 177 //=============================================================================
 178 bool wxFSVolumeBase::Create(const wxString& name)
 179 {
 180     return false;
 181 } // Create
 182
 183 //=============================================================================
 184 // Function: IsOk
 185 // Purpose: returns true if the volume is legal.
 186 // Notes: For fixed disks, it must exist.  For removable disks, it must also
 187 //        be present.  For Network Shares, it must also be logged in, etc.
 188 //=============================================================================
 189 bool wxFSVolumeBase::IsOk() const
 190 {
 191     return false;
 192 } // IsOk
 193
 194 //=============================================================================
 195 // Function: GetKind
 196 // Purpose: Return the type of the volume.
 197 //=============================================================================
 198 wxFSVolumeKind wxFSVolumeBase::GetKind() const
 199 {
 200     return wxFS_VOL_OTHER;
 201 }
 202
 203 //=============================================================================
 204 // Function: GetFlags
 205 // Purpose: Return the caches flags for this volume.
 206 // Notes: - Returns -1 if no flags were cached.
 207 //=============================================================================
 208 int wxFSVolumeBase::GetFlags() const
 209 {
 210     return -1;
 211 } // GetFlags
 212
 213 #endif // wxUSE_BASE
 214
 215 // ============================================================================
 216 // wxFSVolume
 217 // ============================================================================
 218
 219 #if wxUSE_GUI
 220
 221 void wxFSVolume::InitIcons()
 222 {
 223 }
 224
 225 //=============================================================================
 226 // Function: GetIcon
 227 // Purpose: return the requested icon.
 228 //=============================================================================
 229
 230 wxIcon wxFSVolume::GetIcon(wxFSIconType type) const
 231 {
 232     return m_icons[type];
 233 } // GetIcon
 234
 235 #endif // wxUSE_GUI
 236
 237 #endif // wxUSE_FSVOLUME
 238