NS_IMETHOD Run() {
    MOZ_ASSERT(NS_IsMainThread());

    nsCOMPtr<nsIFile> tmpFile;
    nsresult rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(tmpFile));
    if (NS_WARN_IF(NS_FAILED(rv))) {
      return rv;
    }

    tmpFile->GetPath(mPath);
    return NS_OK;
  }

void
nsDogbertProfileMigrator::GetSourceProfile(const PRUnichar* aProfile)
{
  nsresult rv;

  nsCOMPtr<nsIFile> regFile;
  rv = NS_GetSpecialDirectory(OLDREG_DIR, getter_AddRefs(regFile));
  if (NS_FAILED(rv)) return;

  regFile->AppendNative(NS_LITERAL_CSTRING(OLDREG_NAME));
  
  nsCAutoString path;
  rv = regFile->GetNativePath(path);
  if (NS_FAILED(rv)) return;

  if (NR_StartupRegistry())
    return;

  HREG reg = nsnull;
  RKEY profile = nsnull;

  if (NR_RegOpen(path.get(), &reg))
    goto cleanup;

  {
    // on macos, registry entries are UTF8 encoded
    NS_ConvertUTF16toUTF8 profileName(aProfile);

    if (NR_RegGetKey(reg, ROOTKEY_USERS, profileName.get(), &profile))
      goto cleanup;
  }

  char profilePath[MAXPATHLEN];
  if (NR_RegGetEntryString(reg, profile, "ProfileLocation", profilePath, MAXPATHLEN))
    goto cleanup;

  mSourceProfile = do_CreateInstance("@mozilla.org/file/local;1");
  if (!mSourceProfile) goto cleanup;

  {
    // the string is UTF8 encoded, which forces us to do some strange string-do
    rv = mSourceProfile->InitWithPath(NS_ConvertUTF8toUTF16(profilePath));
  }

  if (NS_FAILED(rv))
    mSourceProfile = nsnull;

cleanup:
  if (reg)
    NR_RegClose(reg);
  NR_ShutdownRegistry();
}

/* void Load (); */
NS_IMETHODIMP mozPersonalDictionary::Load()
{
  //FIXME Deinst  -- get dictionary name from prefs;
  nsresult res;
  nsCOMPtr<nsIFile> theFile;
  PRBool dictExists;

  res = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(theFile));
  if(NS_FAILED(res)) return res;
  if(!theFile)return NS_ERROR_FAILURE;
  res = theFile->Append(NS_LITERAL_STRING(MOZ_PERSONAL_DICT_NAME));
  if(NS_FAILED(res)) return res;
  res = theFile->Exists(&dictExists);
  if(NS_FAILED(res)) return res;

  if (!dictExists) {
    // Nothing is really wrong...
    return NS_OK;
  }
  
  nsCOMPtr<nsIInputStream> inStream;
  NS_NewLocalFileInputStream(getter_AddRefs(inStream), theFile);

  nsCOMPtr<nsIUnicharInputStream> convStream;
  res = nsSimpleUnicharStreamFactory::GetInstance()->
    CreateInstanceFromUTF8Stream(inStream, getter_AddRefs(convStream));
  if(NS_FAILED(res)) return res;
  
  // we're rereading to get rid of the old data  -- we shouldn't have any, but...
  mDictionaryTable.Clear();

  PRUnichar c;
  PRUint32 nRead;
  PRBool done = PR_FALSE;
  do{  // read each line of text into the string array.
    if( (NS_OK != convStream->Read(&c, 1, &nRead)) || (nRead != 1)) break;
    while(!done && ((c == '\n') || (c == '\r'))){
      if( (NS_OK != convStream->Read(&c, 1, &nRead)) || (nRead != 1)) done = PR_TRUE;
    }
    if (!done){ 
      nsAutoString word;
      while((c != '\n') && (c != '\r') && !done){
        word.Append(c);
        if( (NS_OK != convStream->Read(&c, 1, &nRead)) || (nRead != 1)) done = PR_TRUE;
      }
      mDictionaryTable.PutEntry(word.get());
    }
  } while(!done);
  mDirty = PR_FALSE;
  
  return res;
}

nsresult
nsResProtocolHandler::AddSpecialDir(const char* aSpecialDir, const nsACString& aSubstitution)
{
    nsCOMPtr<nsIFile> file;
    nsresult rv = NS_GetSpecialDirectory(aSpecialDir, getter_AddRefs(file));
    NS_ENSURE_SUCCESS(rv, rv);

    nsCOMPtr<nsIURI> uri;
    rv = mIOService->NewFileURI(file, getter_AddRefs(uri));
    NS_ENSURE_SUCCESS(rv, rv);

    return SetSubstitution(aSubstitution, uri);
}

bool
GetEMEVoucherPath(nsIFile** aPath)
{
  nsCOMPtr<nsIFile> path;
  NS_GetSpecialDirectory(NS_GRE_DIR, getter_AddRefs(path));
  if (!path) {
    NS_WARNING("GetEMEVoucherPath can't get NS_GRE_DIR!");
    return false;
  }
  path->AppendNative(NS_LITERAL_CSTRING("voucher.bin"));
  path.forget(aPath);
  return true;
}

void
InitLateWriteChecks()
{
  nsCOMPtr<nsIFile> mozFile;
  NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(mozFile));
  if (mozFile) {
    nsAutoCString nativePath;
    nsresult rv = mozFile->GetNativePath(nativePath);
    if (NS_SUCCEEDED(rv) && nativePath.get()) {
      sLateWriteObserver = new LateWriteObserver(nativePath.get());
    }
  }
}

/* readonly attribute nsILocalFile binDir; */
NS_IMETHODIMP nsXPCToolsCompiler::GetBinDir(nsILocalFile * *aBinDir)
{
    *aBinDir = nsnull;
    
    nsCOMPtr<nsIFile> file;
    nsresult rv = NS_GetSpecialDirectory(NS_XPCOM_CURRENT_PROCESS_DIR, getter_AddRefs(file));
    if(NS_FAILED(rv))
        return rv;

    nsCOMPtr<nsILocalFile> lfile = do_QueryInterface(file);
    NS_ADDREF(*aBinDir = lfile);
    return NS_OK;
}

nsresult
LocalStoreImpl::LoadData()
{
    nsresult rv;

    // Look for localstore.rdf in the current profile
    // directory. Bomb if we can't find it.

    nsCOMPtr<nsIFile> aFile;
    rv = NS_GetSpecialDirectory(NS_APP_LOCALSTORE_50_FILE, getter_AddRefs(aFile));
    if (NS_FAILED(rv)) return rv;

    bool fileExistsFlag = false;
    (void)aFile->Exists(&fileExistsFlag);
    if (!fileExistsFlag) {
        // if file doesn't exist, create it
        rv = CreateLocalStore(aFile);
        if (NS_FAILED(rv)) return rv;
    }

    mInner = do_CreateInstance(NS_RDF_DATASOURCE_CONTRACTID_PREFIX "xml-datasource", &rv);
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIRDFRemoteDataSource> remote = do_QueryInterface(mInner, &rv);
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr<nsIURI> aURI;
    rv = NS_NewFileURI(getter_AddRefs(aURI), aFile);
    if (NS_FAILED(rv)) return rv;

    nsCAutoString spec;
    rv = aURI->GetSpec(spec);
    if (NS_FAILED(rv)) return rv;

    rv = remote->Init(spec.get());
    if (NS_FAILED(rv)) return rv;

    // Read the datasource synchronously.
    rv = remote->Refresh(true);
    
    if (NS_FAILED(rv)) {
        // Load failed, delete and recreate a fresh localstore
        aFile->Remove(true);
        rv = CreateLocalStore(aFile);
        if (NS_FAILED(rv)) return rv;
        
        rv = remote->Refresh(true);
    }

    return rv;
}

nsresult
sbTemporaryFileService::Initialize()
{
  nsresult rv;

  // Add observers.
  if (!mObserverService) {
    mObserverService = do_GetService("@mozilla.org/observer-service;1", &rv);
    NS_ENSURE_SUCCESS(rv, rv);
    rv = mObserverService->AddObserver(this, "profile-after-change", PR_FALSE);
    NS_ENSURE_SUCCESS(rv, rv);
    rv = mObserverService->AddObserver(this, "quit-application", PR_FALSE);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  // Wait for the user profile to be available.
  if (!mProfileAvailable)
    return NS_OK;

  // Set up the root temporary directory residing in the OS temporary directory.
  nsCOMPtr<nsIFile> rootTemporaryDirectory;
  rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR,
                              getter_AddRefs(rootTemporaryDirectory));
  NS_ENSURE_SUCCESS(rv, rv);

  // Ensure the root temporary directory exists.
  bool exists;
  rv = rootTemporaryDirectory->Append
         (NS_LITERAL_STRING(SB_TEMPORARY_FILE_SERVICE_ROOT_DIR_NAME));
  NS_ENSURE_SUCCESS(rv, rv);
  rv = rootTemporaryDirectory->Exists(&exists);
  NS_ENSURE_SUCCESS(rv, rv);
  if (!exists) {
    rv = rootTemporaryDirectory->Create(nsIFile::DIRECTORY_TYPE,
                                        SB_DEFAULT_DIRECTORY_PERMISSIONS);
    NS_ENSURE_SUCCESS(rv, rv);
  }

  // Create the root temporary file factory.
  mRootTemporaryFileFactory =
    do_CreateInstance("@songbirdnest.com/Songbird/TemporaryFileFactory;1", &rv);
  NS_ENSURE_SUCCESS(rv, rv);
  rv = mRootTemporaryFileFactory->SetRootTemporaryDirectory
                                    (rootTemporaryDirectory);
  NS_ENSURE_SUCCESS(rv, rv);

  // Services are now initialized.
  mInitialized = PR_TRUE;

  return NS_OK;
}

NS_IMETHODIMP nsAbManager::GetUserProfileDirectory(nsILocalFile **userDir)
{
  NS_ENSURE_ARG_POINTER(userDir);
  *userDir = nsnull;

  nsresult rv;
  nsCOMPtr<nsIFile> profileDir;
  nsCAutoString pathBuf;

  rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(profileDir));
  NS_ENSURE_SUCCESS(rv, rv);

  return CallQueryInterface(profileDir, userDir);
}

nsresult
nsSafariProfileMigrator::CopyOtherData(bool aReplace)
{
  // Get the Safari user style sheet and copy it into the active profile's
  // chrome folder
  nsCOMPtr<nsILocalFile> stylesheetFile;
  if (NS_SUCCEEDED(GetSafariUserStyleSheet(getter_AddRefs(stylesheetFile)))) {
    nsCOMPtr<nsIFile> userChromeDir;
    NS_GetSpecialDirectory(NS_APP_USER_CHROME_DIR,
                           getter_AddRefs(userChromeDir));

    stylesheetFile->CopyTo(userChromeDir, NS_LITERAL_STRING("userContent.css"));
  }
  return NS_OK;
}

void
nsSuiteDirectoryProvider::EnsureProfileFile(const nsACString& aLeafName,
                                            nsIFile* aParentDir,
                                            nsIFile* aTarget)
{
  nsCOMPtr<nsIFile> defaults;
  NS_GetSpecialDirectory(NS_APP_PROFILE_DEFAULTS_50_DIR,
                         getter_AddRefs(defaults));
  if (!defaults)
    return;

  defaults->AppendNative(aLeafName);

  defaults->CopyToNative(aParentDir, aLeafName);
}

NS_IMETHODIMP
nsMailDirProvider::GetFile(const char *aKey, bool *aPersist,
                           nsIFile **aResult)
{
  // NOTE: This function can be reentrant through the NS_GetSpecialDirectory
  // call, so be careful not to cause infinite recursion.
  // i.e. the check for supported files must come first.
  const char* leafName = nullptr;
  bool isDirectory = true;

  if (!strcmp(aKey, NS_APP_MAIL_50_DIR))
    leafName = MAIL_DIR_50_NAME;
  else if (!strcmp(aKey, NS_APP_IMAP_MAIL_50_DIR))
    leafName = IMAP_MAIL_DIR_50_NAME;
  else if (!strcmp(aKey, NS_APP_NEWS_50_DIR))
    leafName = NEWS_DIR_50_NAME;
  else if (!strcmp(aKey, NS_APP_MESSENGER_FOLDER_CACHE_50_FILE)) {
    isDirectory = false;
    leafName = MSG_FOLDER_CACHE_DIR_50_NAME;
  }
  else
    return NS_ERROR_FAILURE;

  nsCOMPtr<nsIFile> parentDir;
  nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
                                       getter_AddRefs(parentDir));
  if (NS_FAILED(rv))
    return rv;

  nsCOMPtr<nsIFile> file;
  rv = parentDir->Clone(getter_AddRefs(file));
  if (NS_FAILED(rv))
    return rv;

  nsDependentCString leafStr(leafName);
  rv = file->AppendNative(leafStr);
  if (NS_FAILED(rv))
    return rv;

  bool exists;
  if (isDirectory && NS_SUCCEEDED(file->Exists(&exists)) && !exists)
    rv = EnsureDirectory(file);

  *aPersist = true;
  file.forget(aResult);

  return rv;
}

void InitWritePoisoning()
{
  // Stdout and Stderr are OK.
  MozillaRegisterDebugFD(1);
  MozillaRegisterDebugFD(2);

  nsCOMPtr<nsIFile> mozFile;
  NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(mozFile));
  if (mozFile) {
    nsAutoCString nativePath;
    nsresult rv = mozFile->GetNativePath(nativePath);
    if (NS_SUCCEEDED(rv)) {
      sProfileDirectory = PL_strdup(nativePath.get());
    }
  }
}

nsSpamSettings::nsSpamSettings()
{
  mLevel = 0;
  mMoveOnSpam = false;
  mMoveTargetMode = nsISpamSettings::MOVE_TARGET_MODE_ACCOUNT;
  mPurge = false;
  mPurgeInterval = 14; // 14 days

  mServerFilterTrustFlags = 0;

  mUseWhiteList = false;
  mUseServerFilter = false;

  nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR, getter_AddRefs(mLogFile));
  if (NS_SUCCEEDED(rv))
    mLogFile->Append(NS_LITERAL_STRING("junklog.html"));
}

// see the comment in GLLibraryEGL::EnsureInitialized() for the rationale here.
static PRLibrary*
LoadLibraryForEGLOnWindows(const nsAString& filename)
{
    nsCOMPtr<nsIFile> file;
    nsresult rv = NS_GetSpecialDirectory(NS_GRE_DIR, getter_AddRefs(file));
    if (NS_FAILED(rv))
        return nullptr;

    file->Append(filename);
    PRLibrary* lib = nullptr;
    rv = file->Load(&lib);
    if (NS_FAILED(rv)) {
        nsPrintfCString msg("Failed to load %s - Expect EGL initialization to fail",
                            NS_LossyConvertUTF16toASCII(filename).get());
        NS_WARNING(msg.get());
    }
    return lib;
}

NS_IMETHODIMP
nsDogbertProfileMigrator::GetSourceProfiles(nsISupportsArray** aResult)
{
  if (!mProfiles) {
    nsresult rv;

    mProfiles = do_CreateInstance(NS_SUPPORTSARRAY_CONTRACTID, &rv);
    NS_ENSURE_SUCCESS(rv, rv);

    nsCOMPtr<nsIFile> regFile;
    rv = NS_GetSpecialDirectory(OLDREG_DIR, getter_AddRefs(regFile));
    NS_ENSURE_SUCCESS(rv, rv);
    regFile->AppendNative(NS_LITERAL_CSTRING(OLDREG_NAME));
  
    nsCAutoString path;
    rv = regFile->GetNativePath(path);
    NS_ENSURE_SUCCESS(rv, rv);

    if (NR_StartupRegistry())
      return NS_ERROR_FAILURE;

    HREG reg = nsnull;
    REGENUM enumstate = 0;

    if (NR_RegOpen(path.get(), &reg)) {
      NR_ShutdownRegistry();
      return NS_ERROR_FAILURE;
    }

    char profileName[MAXREGNAMELEN];
    while (!NR_RegEnumSubkeys(reg, ROOTKEY_USERS, &enumstate,
                              profileName, MAXREGNAMELEN, REGENUM_CHILDREN)) {
      nsCOMPtr<nsISupportsString> nameString
        (do_CreateInstance("@mozilla.org/supports-string;1"));
      if (nameString) {
        nameString->SetData(NS_ConvertUTF8toUTF16(profileName));
        mProfiles->AppendElement(nameString);
      }
    }
  }
  
  NS_IF_ADDREF(*aResult = mProfiles);
  return NS_OK;
}

nsresult
nsGNOMEShellService::Init()
{
  nsresult rv;

  // Check G_BROKEN_FILENAMES.  If it's set, then filenames in glib use
  // the locale encoding.  If it's not set, they use UTF-8.
  mUseLocaleFilenames = PR_GetEnv("G_BROKEN_FILENAMES") != nullptr;

  nsCOMPtr<nsIFile> appPath;
  rv = NS_GetSpecialDirectory(NS_XPCOM_CURRENT_PROCESS_DIR,
                              getter_AddRefs(appPath));
  NS_ENSURE_SUCCESS(rv, rv);

  rv = appPath->AppendNative(NS_LITERAL_CSTRING(MOZ_APP_NAME));
  NS_ENSURE_SUCCESS(rv, rv);

  return appPath->GetNativePath(mAppPath);
}

void
nsSuiteDirectoryProvider::EnsureProfileFile(const nsACString& aLeafName,
                                            nsIFile* aParentDir,
                                            nsIFile* aTarget)
{
  nsCOMPtr<nsIFile> defaultsDir;

  NS_GetSpecialDirectory(NS_APP_DEFAULTS_50_DIR,
                        getter_AddRefs(defaultsDir));
  if (!defaultsDir)
    return;

  nsresult rv = defaultsDir->AppendNative(NS_LITERAL_CSTRING("profile"));
  NS_ENSURE_SUCCESS_VOID(rv);

  defaultsDir->AppendNative(aLeafName);

  defaultsDir->CopyToNative(aParentDir, aLeafName);
}

nsresult nsPrefService::UseDefaultPrefFile()
{
  nsresult rv, rv2;
  nsCOMPtr<nsIFile> aFile;

  rv = NS_GetSpecialDirectory(NS_APP_PREFS_50_FILE, getter_AddRefs(aFile));
  if (NS_SUCCEEDED(rv)) {
    rv = ReadAndOwnUserPrefFile(aFile);
    // Most likely cause of failure here is that the file didn't
    // exist, so save a new one. mUserPrefReadFailed will be
    // used to catch an error in actually reading the file.
    if (NS_FAILED(rv)) {
      rv2 = SavePrefFileInternal(aFile);
      NS_ASSERTION(NS_SUCCEEDED(rv2), "Failed to save new shared pref file");
    }
  }
  
  return rv;
}