rdf/datasource/nsFileSystemDataSource.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsFileSystemDataSource_h__
   7 #define nsFileSystemDataSource_h__
   8
   9 #include "nsIRDFDataSource.h"
  10 #include "nsIRDFLiteral.h"
  11 #include "nsIRDFResource.h"
  12 #include "nsIRDFService.h"
  13 #include "nsCOMPtr.h"
  14 #include "nsString.h"
  15 #include "mozilla/Attributes.h"
  16
  17 #if defined(XP_UNIX) || defined(XP_WIN)
  18 #define USE_NC_EXTENSION
  19 #endif
  20
  21 class FileSystemDataSource MOZ_FINAL : public nsIRDFDataSource
  22 {
  23 public:
  24     NS_DECL_ISUPPORTS
  25     NS_DECL_NSIRDFDATASOURCE
  26
  27     static nsresult Create(nsISupports* aOuter,
  28                            const nsIID& aIID, void **aResult);
  29
  30     nsresult Init();
  31
  32 private:
  33     FileSystemDataSource() { }
  34     ~FileSystemDataSource() { }
  35
  36     // helper methods
  37     bool     isFileURI(nsIRDFResource* aResource);
  38     bool     isDirURI(nsIRDFResource* aSource);
  39     nsresult GetVolumeList(nsISimpleEnumerator **aResult);
  40     nsresult GetFolderList(nsIRDFResource *source, bool allowHidden, bool onlyFirst, nsISimpleEnumerator **aResult);
  41     nsresult GetName(nsIRDFResource *source, nsIRDFLiteral** aResult);
  42     nsresult GetURL(nsIRDFResource *source, bool *isFavorite, nsIRDFLiteral** aResult);
  43     nsresult GetFileSize(nsIRDFResource *source, nsIRDFInt** aResult);
  44     nsresult GetLastMod(nsIRDFResource *source, nsIRDFDate** aResult);
  45
  46     nsCOMPtr<nsIRDFService>    mRDFService;
  47
  48     // pseudo-constants
  49     nsCOMPtr<nsIRDFResource>       mNC_FileSystemRoot;
  50     nsCOMPtr<nsIRDFResource>       mNC_Child;
  51     nsCOMPtr<nsIRDFResource>       mNC_Name;
  52     nsCOMPtr<nsIRDFResource>       mNC_URL;
  53     nsCOMPtr<nsIRDFResource>       mNC_Icon;
  54     nsCOMPtr<nsIRDFResource>       mNC_Length;
  55     nsCOMPtr<nsIRDFResource>       mNC_IsDirectory;
  56     nsCOMPtr<nsIRDFResource>       mWEB_LastMod;
  57     nsCOMPtr<nsIRDFResource>       mNC_FileSystemObject;
  58     nsCOMPtr<nsIRDFResource>       mNC_pulse;
  59     nsCOMPtr<nsIRDFResource>       mRDF_InstanceOf;
  60     nsCOMPtr<nsIRDFResource>       mRDF_type;
  61
  62     nsCOMPtr<nsIRDFLiteral>        mLiteralTrue;
  63     nsCOMPtr<nsIRDFLiteral>        mLiteralFalse;
  64
  65 #ifdef USE_NC_EXTENSION
  66     nsresult GetExtension(nsIRDFResource *source, nsIRDFLiteral** aResult);
  67     nsCOMPtr<nsIRDFResource>       mNC_extension;
  68 #endif
  69
  70 #ifdef  XP_WIN
  71     bool     isValidFolder(nsIRDFResource *source);
  72     nsresult getIEFavoriteURL(nsIRDFResource *source, nsString aFileURL, nsIRDFLiteral **urlLiteral);
  73     nsCOMPtr<nsIRDFResource>       mNC_IEFavoriteObject;
  74     nsCOMPtr<nsIRDFResource>       mNC_IEFavoriteFolder;
  75     nsCString                      ieFavoritesDir;
  76 #endif
  77 };
  78
  79 #endif // nsFileSystemDataSource_h__