The Tor Browser: xpcom/io/nsDirectoryService.h@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     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/. */

     6 #ifndef nsDirectoryService_h___

     7 #define nsDirectoryService_h___

     9 #include "nsIDirectoryService.h"

    10 #include "nsInterfaceHashtable.h"

    11 #include "nsIFile.h"

    12 #include "nsIAtom.h"

    13 #include "nsTArray.h"

    14 #include "mozilla/Attributes.h"

    16 #define NS_XPCOM_INIT_CURRENT_PROCESS_DIR       "MozBinD"   // Can be used to set NS_XPCOM_CURRENT_PROCESS_DIR

    17                                                             // CANNOT be used to GET a location

    18 #define NS_DIRECTORY_SERVICE_CID  {0xf00152d0,0xb40b,0x11d3,{0x8c, 0x9c, 0x00, 0x00, 0x64, 0x65, 0x73, 0x74}}

    20 class nsDirectoryService MOZ_FINAL : public nsIDirectoryService,

    21                                      public nsIProperties,

    22                                      public nsIDirectoryServiceProvider2

    23 {

    24   public:

    26   // nsISupports interface

    27   NS_DECL_THREADSAFE_ISUPPORTS

    29   NS_DECL_NSIPROPERTIES

    31   NS_DECL_NSIDIRECTORYSERVICE

    33   NS_DECL_NSIDIRECTORYSERVICEPROVIDER

    35   NS_DECL_NSIDIRECTORYSERVICEPROVIDER2

    37   nsDirectoryService();

    38    ~nsDirectoryService();

    40   static void RealInit();

    41   void RegisterCategoryProviders();

    43   static nsresult

    44   Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);

    46   static nsDirectoryService* gService;

    48 private:

    49     nsresult GetCurrentProcessDirectory(nsIFile** aFile);

    51     nsInterfaceHashtable<nsCStringHashKey, nsIFile> mHashtable;

    52     nsTArray<nsCOMPtr<nsIDirectoryServiceProvider> > mProviders;

    54 public:

    56 #define DIR_ATOM(name_, value_) static nsIAtom* name_;

    57 #include "nsDirectoryServiceAtomList.h"

    58 #undef DIR_ATOM

    60 };

    63 #endif

The Tor Browser / file revision

xpcom/io/nsDirectoryService.h@97036ab72558

xpcom/io/nsDirectoryService.h