mcs/class/corlib/System/Environment.iOS.cs

   1 // Copyright 2014 Xamarin Inc.
   2
   3 // note: or older hack to give the Documents (or Library) directories
   4
   5 using System.IO;
   6 using System.Runtime.InteropServices;
   7
   8 namespace System {
   9
  10         public static partial class Environment {
  11
  12                 static string ns_document;
  13                 static string ns_library;
  14
  15                 [DllImport ("__Internal")]
  16                 extern static string xamarin_GetFolderPath (int folder);
  17
  18                 static string NSDocumentDirectory {
  19                         get {
  20                                 if (ns_document == null) {
  21 #if MONOTOUCH_TV
  22                                         // The "normal" NSDocumentDirectory is a read-only directory on tvOS
  23                                         // and that breaks a lot of assumptions in the runtime and the BCL
  24                                         // to avoid this we relocate the Documents directory under Caches
  25                                         ns_document = Path.Combine (NSLibraryDirectory, "Caches", "Documents");
  26                                         if (!Directory.Exists (ns_document))
  27                                                 Directory.CreateDirectory (ns_document);
  28 #else
  29                                         ns_document = xamarin_GetFolderPath (/* NSDocumentDirectory */ 9);
  30 #endif
  31                                 }
  32                                 return ns_document;
  33                         }
  34                 }
  35
  36                 // Various user-visible documentation, support, and configuration files
  37                 static string NSLibraryDirectory {
  38                         get {
  39                                 if (ns_library == null)
  40                                         ns_library = xamarin_GetFolderPath (/* NSLibraryDirectory */ 5);
  41                                 return ns_library;
  42                         }
  43                 }
  44
  45                 public static string GetFolderPath (SpecialFolder folder, SpecialFolderOption option)
  46                 {
  47                         return UnixGetFolderPath (folder, option);
  48                 }
  49
  50                 // needed by our BCL, e.g. IsolatedStorageFile.cs
  51                 internal static string UnixGetFolderPath (SpecialFolder folder, SpecialFolderOption option)
  52                 {
  53                         var dir = iOSGetFolderPath (folder);
  54                         if ((option == SpecialFolderOption.Create) && !Directory.Exists (dir))
  55                                 Directory.CreateDirectory (dir);
  56                         return dir;
  57                 }
  58
  59                 internal static string iOSGetFolderPath (SpecialFolder folder)
  60                 {
  61                         switch (folder) {
  62                         case SpecialFolder.MyComputer:
  63                         case SpecialFolder.Programs:
  64                         case SpecialFolder.SendTo:
  65                         case SpecialFolder.StartMenu:
  66                         case SpecialFolder.Startup:
  67                         case SpecialFolder.Cookies:
  68                         case SpecialFolder.History:
  69                         case SpecialFolder.Recent:
  70                         case SpecialFolder.CommonProgramFiles:
  71                         case SpecialFolder.System:
  72                         case SpecialFolder.NetworkShortcuts:
  73                         case SpecialFolder.CommonStartMenu:
  74                         case SpecialFolder.CommonPrograms:
  75                         case SpecialFolder.CommonStartup:
  76                         case SpecialFolder.CommonDesktopDirectory:
  77                         case SpecialFolder.PrinterShortcuts:
  78                         case SpecialFolder.Windows:
  79                         case SpecialFolder.SystemX86:
  80                         case SpecialFolder.ProgramFilesX86:
  81                         case SpecialFolder.CommonProgramFilesX86:
  82                         case SpecialFolder.CommonDocuments:
  83                         case SpecialFolder.CommonAdminTools:
  84                         case SpecialFolder.AdminTools:
  85                         case SpecialFolder.CommonMusic:
  86                         case SpecialFolder.CommonPictures:
  87                         case SpecialFolder.CommonVideos:
  88                         case SpecialFolder.LocalizedResources:
  89                         case SpecialFolder.CommonOemLinks:
  90                         case SpecialFolder.CDBurning:
  91                                 return String.Empty;
  92
  93                         // personal == ~
  94                         case SpecialFolder.Personal:
  95                         case SpecialFolder.LocalApplicationData:
  96                                 return NSDocumentDirectory;
  97
  98                         case SpecialFolder.ApplicationData:
  99                                 // note: at first glance that looked like a good place to return NSLibraryDirectory
 100                                 // but it would break isolated storage for existing applications
 101                                 return Path.Combine (NSDocumentDirectory, ".config");
 102
 103                         case SpecialFolder.Resources:
 104                                 return NSLibraryDirectory; // older (8.2 and previous) would return String.Empty
 105
 106                         case SpecialFolder.Desktop:
 107                         case SpecialFolder.DesktopDirectory:
 108                                 return Path.Combine (NSDocumentDirectory, "Desktop");
 109
 110                         case SpecialFolder.MyMusic:
 111                                 return Path.Combine (NSDocumentDirectory, "Music");
 112
 113                         case SpecialFolder.MyPictures:
 114                                 return Path.Combine (NSDocumentDirectory, "Pictures");
 115
 116                         case SpecialFolder.Templates:
 117                                 return Path.Combine (NSDocumentDirectory, "Templates");
 118
 119                         case SpecialFolder.MyVideos:
 120                                 return Path.Combine (NSDocumentDirectory, "Videos");
 121
 122                         case SpecialFolder.CommonTemplates:
 123                                 return "/usr/share/templates";
 124
 125                         case SpecialFolder.Fonts:
 126                                 return Path.Combine (NSDocumentDirectory, ".fonts");
 127
 128                         case SpecialFolder.Favorites:
 129                                 return Path.Combine (NSLibraryDirectory, "Favorites");
 130
 131                         case SpecialFolder.ProgramFiles:
 132                                 return "/Applications";
 133
 134                         case SpecialFolder.InternetCache:
 135                                 return Path.Combine (NSLibraryDirectory, "Caches");
 136
 137                         case SpecialFolder.UserProfile:
 138                                 return internalGetHome ();
 139
 140                         case SpecialFolder.CommonApplicationData:
 141                                 return "/usr/share";
 142
 143                         default:
 144                                 throw new ArgumentException ("Invalid SpecialFolder");
 145                         }
 146                 }
 147         }
 148 }