void
mozHunspell::LoadDictionaryList()
{
  mDictionaries.Clear();

  nsresult rv;

  nsCOMPtr<nsIProperties> dirSvc =
    do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
  if (!dirSvc)
    return;

  // find built in dictionaries, or dictionaries specified in
  // spellchecker.dictionary_path in prefs
  nsCOMPtr<nsIFile> dictDir;

  // check preferences first
  nsCOMPtr<nsIPrefBranch> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
  if (prefs) {
    nsCString extDictPath;
    rv = prefs->GetCharPref("spellchecker.dictionary_path", getter_Copies(extDictPath));
    if (NS_SUCCEEDED(rv)) {
      // set the spellchecker.dictionary_path
      rv = NS_NewNativeLocalFile(extDictPath, true, getter_AddRefs(dictDir));
    }
  }
  if (!dictDir) {
    // spellcheck.dictionary_path not found, set internal path
    rv = dirSvc->Get(DICTIONARY_SEARCH_DIRECTORY,
                     NS_GET_IID(nsIFile), getter_AddRefs(dictDir));
  }
  if (dictDir) {
    LoadDictionariesFromDir(dictDir);
  }
  else {
    // try to load gredir/dictionaries
    nsCOMPtr<nsIFile> greDir;
    rv = dirSvc->Get(NS_GRE_DIR,
                     NS_GET_IID(nsIFile), getter_AddRefs(greDir));
    if (NS_SUCCEEDED(rv)) {
      greDir->AppendNative(NS_LITERAL_CSTRING("dictionaries"));
      LoadDictionariesFromDir(greDir);
    }

    // try to load appdir/dictionaries only if different than gredir
    nsCOMPtr<nsIFile> appDir;
    rv = dirSvc->Get(NS_XPCOM_CURRENT_PROCESS_DIR,
                     NS_GET_IID(nsIFile), getter_AddRefs(appDir));
    bool equals;
    if (NS_SUCCEEDED(rv) && NS_SUCCEEDED(appDir->Equals(greDir, &equals)) && !equals) {
      appDir->AppendNative(NS_LITERAL_CSTRING("dictionaries"));
      LoadDictionariesFromDir(appDir);
    }
  }

  // find dictionaries from extensions requiring restart
  nsCOMPtr<nsISimpleEnumerator> dictDirs;
  rv = dirSvc->Get(DICTIONARY_SEARCH_DIRECTORY_LIST,
                   NS_GET_IID(nsISimpleEnumerator), getter_AddRefs(dictDirs));
  if (NS_FAILED(rv))
    return;

  bool hasMore;
  while (NS_SUCCEEDED(dictDirs->HasMoreElements(&hasMore)) && hasMore) {
    nsCOMPtr<nsISupports> elem;
    dictDirs->GetNext(getter_AddRefs(elem));

    dictDir = do_QueryInterface(elem);
    if (dictDir)
      LoadDictionariesFromDir(dictDir);
  }

  // find dictionaries from restartless extensions
  for (int32_t i = 0; i < mDynamicDirectories.Count(); i++) {
    LoadDictionariesFromDir(mDynamicDirectories[i]);
  }

  // Now we have finished updating the list of dictionaries, update the current
  // dictionary and any editors which may use it.
  mozInlineSpellChecker::UpdateCanEnableInlineSpellChecking();

  // Check if the current dictionary is still available.
  // If not, try to replace it with another dictionary of the same language.
  if (!mDictionary.IsEmpty()) {
    rv = SetDictionary(mDictionary.get());
    if (NS_SUCCEEDED(rv))
      return;
  }

  // If the current dictionary has gone, and we don't have a good replacement,
  // set no current dictionary.
  if (!mDictionary.IsEmpty()) {
    SetDictionary(EmptyString().get());
  }
}

//------------------------------------------------------------------------
//          XPI_Init()
//------------------------------------------------------------------------
PR_PUBLIC_API(nsresult) XPI_Init( const char*         aProgramDir,
                                  const char*         aLogName,
                                  pfnXPIProgress      progressCB )
{
    nsresult              rv;

    //--------------------------------------------------------------------
    // Initialize XPCOM and AutoRegister() its components
    //--------------------------------------------------------------------
#if defined(XP_WIN) || defined(XP_OS2)

 #ifdef XP_OS2_EMX
    char componentPath[MAX_PATH];
    _getcwd2(componentPath, MAX_PATH);
    int len = strlen(componentPath);
    for (int i = 0; i < len; i++) {
      if (componentPath[i] == '/') {
        componentPath[i] = '\\';
      }
    }
 #else
    char componentPath[MAX_PATH];
    getcwd(componentPath, MAX_PATH);
 #endif

    nsCOMPtr<nsILocalFile> file;
    rv = NS_NewNativeLocalFile(nsDependentCString(componentPath), PR_TRUE, getter_AddRefs(file));
    if (NS_FAILED(rv)) return rv;
    
    rv = NS_InitXPCOM2(&gServiceMgr, file, nsnull); 

#elif defined(XP_UNIX)

    rv = NS_InitXPCOM2(&gServiceMgr, nsnull, nsnull); 

    char cwd[1024];
    char compDirPath[1024];

    memset(cwd, 0, 1024);
    memset(compDirPath, 0, 1024);
    getcwd(cwd, 1024);
    sprintf(compDirPath, "%s/components", cwd);

    nsCOMPtr<nsILocalFile> compDir;
    NS_NewNativeLocalFile(nsDependentCString(compDirPath), PR_TRUE, getter_AddRefs(compDir));

#else

    rv = NS_InitXPCOM2(&gServiceMgr, NULL, NULL);

#endif

    if (NS_FAILED(rv))
        return rv;

    nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(gServiceMgr);
    NS_ASSERTION(registrar, "Null nsIComponentRegistrar");

#if defined(XP_UNIX)
    rv = registrar->AutoRegister(compDir);
#else
    rv = registrar->AutoRegister(nsnull);
#endif
    if (NS_FAILED(rv))
        return rv;


    //--------------------------------------------------------------------
    // Get the SoftwareUpdate (XPInstall) service.
    //
    // Since AppShell is not started by XPIStub the XPI service is never 
    // registered with the service manager. We keep a local pointer to it 
    // so it stays alive througout.
    //--------------------------------------------------------------------
    rv = CallCreateInstance(kSoftwareUpdateCID, &gXPI);
    if (NS_FAILED(rv))
        return rv;


    //--------------------------------------------------------------------
    // Override XPInstall's natural assumption that the current executable
    // is Mozilla. Use the given directory as the "Program" folder.
    //--------------------------------------------------------------------
    nsCOMPtr<nsPIXPIStubHook>   hook = do_QueryInterface(gXPI);
    nsCOMPtr<nsILocalFile>      iDirSpec;
  
    if (aProgramDir)
    {
	NS_NewNativeLocalFile(nsDependentCString(aProgramDir), PR_TRUE, getter_AddRefs(iDirSpec));
    }
    else
    {
       nsCOMPtr<nsIProperties> directoryService = 
          do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);

       directoryService->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsILocalFile), 
                             getter_AddRefs(iDirSpec));
//.........这里部分代码省略.........

//----------------------------------------------------------------------------------------
// GetProductDirectory - Gets the directory which contains the application data folder
//
// UNIX   : ~/.mozilla/
// WIN    : <Application Data folder on user's machine>\Mozilla
// Mac    : :Documents:Mozilla:
//----------------------------------------------------------------------------------------
NS_METHOD nsAppFileLocationProvider::GetProductDirectory(nsILocalFile **aLocalFile, PRBool aLocal)
{
    NS_ENSURE_ARG_POINTER(aLocalFile);

    nsresult rv;
    PRBool exists;
    nsCOMPtr<nsILocalFile> localDir;

#if defined(XP_MACOSX)
    FSRef fsRef;
    OSType folderType = aLocal ? kCachedDataFolderType : kDomainLibraryFolderType;
    OSErr err = ::FSFindFolder(kUserDomain, folderType, kCreateFolder, &fsRef);
    if (err) return NS_ERROR_FAILURE;
    NS_NewLocalFile(EmptyString(), PR_TRUE, getter_AddRefs(localDir));
    if (!localDir) return NS_ERROR_FAILURE;
    nsCOMPtr<nsILocalFileMac> localDirMac(do_QueryInterface(localDir));
    rv = localDirMac->InitWithFSRef(&fsRef);
    if (NS_FAILED(rv)) return rv;
#elif defined(XP_OS2)
    nsCOMPtr<nsIProperties> directoryService = 
             do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
    if (NS_FAILED(rv)) return rv;
    rv = directoryService->Get(NS_OS2_HOME_DIR, NS_GET_IID(nsILocalFile), getter_AddRefs(localDir));
    if (NS_FAILED(rv)) return rv;
#elif defined(XP_WIN)
    nsCOMPtr<nsIProperties> directoryService = 
             do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
    if (NS_FAILED(rv)) return rv;
    const char* prop = aLocal ? NS_WIN_LOCAL_APPDATA_DIR : NS_WIN_APPDATA_DIR;
    rv = directoryService->Get(prop, NS_GET_IID(nsILocalFile), getter_AddRefs(localDir));
    if (NS_SUCCEEDED(rv))
        rv = localDir->Exists(&exists);
    if (NS_FAILED(rv) || !exists)
    {
        // On some Win95 machines, NS_WIN_APPDATA_DIR does not exist - revert to NS_WIN_WINDOWS_DIR
        localDir = nsnull;
        rv = directoryService->Get(NS_WIN_WINDOWS_DIR, NS_GET_IID(nsILocalFile), getter_AddRefs(localDir));
    }
    if (NS_FAILED(rv)) return rv;
#elif defined(XP_UNIX)
    rv = NS_NewNativeLocalFile(nsDependentCString(PR_GetEnv("HOME")), PR_TRUE, getter_AddRefs(localDir));
    if (NS_FAILED(rv)) return rv;
#elif defined(XP_BEOS)
    char path[MAXPATHLEN];
    find_directory(B_USER_SETTINGS_DIRECTORY, 0, 0, path, MAXPATHLEN);
    // Need enough space to add the trailing backslash
    int len = strlen(path);
    if (len > MAXPATHLEN-2)
        return NS_ERROR_FAILURE;
    path[len]   = '/';
    path[len+1] = '\0';
    rv = NS_NewNativeLocalFile(nsDependentCString(path), PR_TRUE, getter_AddRefs(localDir));
    if (NS_FAILED(rv)) return rv;
#else
#error dont_know_how_to_get_product_dir_on_your_platform
#endif

    rv = localDir->AppendRelativeNativePath(DEFAULT_PRODUCT_DIR);
    if (NS_FAILED(rv)) return rv;
    rv = localDir->Exists(&exists);

    if (NS_SUCCEEDED(rv) && !exists)
        rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0700);

    if (NS_FAILED(rv)) return rv;

    *aLocalFile = localDir;
    NS_ADDREF(*aLocalFile);

   return rv;
}

//.........这里部分代码省略.........
  }

  else if (!strcmp(aProperty, NS_APP_PROFILE_DIR_STARTUP) && mProfileDir) {
    return mProfileDir->Clone(aFile);
  }
  else if (!strcmp(aProperty, NS_APP_PROFILE_LOCAL_DIR_STARTUP)) {
    if (mProfileLocalDir)
      return mProfileLocalDir->Clone(aFile);

    if (mProfileDir)
      return mProfileDir->Clone(aFile);

    if (mAppProvider)
      return mAppProvider->GetFile(NS_APP_PROFILE_DIR_STARTUP, aPersistent,
                                   aFile);
  }
#if defined(XP_UNIX) || defined(XP_MACOSX)
  else if (!strcmp(aProperty, XRE_SYS_LOCAL_EXTENSION_PARENT_DIR)) {
#ifdef ENABLE_SYSTEM_EXTENSION_DIRS
    return GetSystemExtensionsDirectory(aFile);
#else
    return NS_ERROR_FAILURE;
#endif
  }
#endif
#if defined(XP_UNIX) && !defined(XP_MACOSX)
  else if (!strcmp(aProperty, XRE_SYS_SHARE_EXTENSION_PARENT_DIR)) {
#ifdef ENABLE_SYSTEM_EXTENSION_DIRS
#if defined(__OpenBSD__) || defined(__FreeBSD__)
    static const char *const sysLExtDir = "/usr/local/share/mozilla/extensions";
#else
    static const char *const sysLExtDir = "/usr/share/mozilla/extensions";
#endif
    return NS_NewNativeLocalFile(nsDependentCString(sysLExtDir),
                                 false, aFile);
#else
    return NS_ERROR_FAILURE;
#endif
  }
#endif
  else if (!strcmp(aProperty, XRE_USER_SYS_EXTENSION_DIR)) {
#ifdef ENABLE_SYSTEM_EXTENSION_DIRS
    return GetSysUserExtensionsDirectory(aFile);
#else
    return NS_ERROR_FAILURE;
#endif
  }
  else if (!strcmp(aProperty, XRE_APP_DISTRIBUTION_DIR)) {
    bool persistent = false;
    rv = GetFile(NS_GRE_DIR, &persistent, getter_AddRefs(file));
    if (NS_SUCCEEDED(rv))
      rv = file->AppendNative(NS_LITERAL_CSTRING("distribution"));
  }
  else if (NS_SUCCEEDED(GetProfileStartupDir(getter_AddRefs(file)))) {
    // We need to allow component, xpt, and chrome registration to
    // occur prior to the profile-after-change notification.
    if (!strcmp(aProperty, NS_APP_USER_CHROME_DIR)) {
      rv = file->AppendNative(NS_LITERAL_CSTRING("chrome"));
    }
  }

  if (NS_SUCCEEDED(rv) && file) {
    file.forget(aFile);
    return NS_OK;
  }

NS_IMETHODIMP
nsAppFileLocationProvider::GetFile(const char* aProp, bool* aPersistent,
                                   nsIFile** aResult)
{
  if (NS_WARN_IF(!aProp)) {
    return NS_ERROR_INVALID_ARG;
  }

  nsCOMPtr<nsIFile>  localFile;
  nsresult rv = NS_ERROR_FAILURE;

  *aResult = nullptr;
  *aPersistent = true;

#ifdef MOZ_WIDGET_COCOA
  FSRef fileRef;
  nsCOMPtr<nsILocalFileMac> macFile;
#endif

  if (nsCRT::strcmp(aProp, NS_APP_APPLICATION_REGISTRY_DIR) == 0) {
    rv = GetProductDirectory(getter_AddRefs(localFile));
  } else if (nsCRT::strcmp(aProp, NS_APP_APPLICATION_REGISTRY_FILE) == 0) {
    rv = GetProductDirectory(getter_AddRefs(localFile));
    if (NS_SUCCEEDED(rv)) {
      rv = localFile->AppendNative(APP_REGISTRY_NAME);
    }
  } else if (nsCRT::strcmp(aProp, NS_APP_DEFAULTS_50_DIR) == 0) {
    rv = CloneMozBinDirectory(getter_AddRefs(localFile));
    if (NS_SUCCEEDED(rv)) {
      rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
    }
  } else if (nsCRT::strcmp(aProp, NS_APP_PREF_DEFAULTS_50_DIR) == 0) {
    rv = CloneMozBinDirectory(getter_AddRefs(localFile));
    if (NS_SUCCEEDED(rv)) {
      rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
      if (NS_SUCCEEDED(rv)) {
        rv = localFile->AppendRelativeNativePath(DEFAULTS_PREF_DIR_NAME);
      }
    }
  } else if (nsCRT::strcmp(aProp, NS_APP_USER_PROFILES_ROOT_DIR) == 0) {
    rv = GetDefaultUserProfileRoot(getter_AddRefs(localFile));
  } else if (nsCRT::strcmp(aProp, NS_APP_USER_PROFILES_LOCAL_ROOT_DIR) == 0) {
    rv = GetDefaultUserProfileRoot(getter_AddRefs(localFile), true);
  } else if (nsCRT::strcmp(aProp, NS_APP_RES_DIR) == 0) {
    rv = CloneMozBinDirectory(getter_AddRefs(localFile));
    if (NS_SUCCEEDED(rv)) {
      rv = localFile->AppendRelativeNativePath(RES_DIR_NAME);
    }
  } else if (nsCRT::strcmp(aProp, NS_APP_CHROME_DIR) == 0) {
    rv = CloneMozBinDirectory(getter_AddRefs(localFile));
    if (NS_SUCCEEDED(rv)) {
      rv = localFile->AppendRelativeNativePath(CHROME_DIR_NAME);
    }
  } else if (nsCRT::strcmp(aProp, NS_APP_PLUGINS_DIR) == 0) {
    rv = CloneMozBinDirectory(getter_AddRefs(localFile));
    if (NS_SUCCEEDED(rv)) {
      rv = localFile->AppendRelativeNativePath(PLUGINS_DIR_NAME);
    }
  }
#ifdef MOZ_WIDGET_COCOA
  else if (nsCRT::strcmp(aProp, NS_MACOSX_USER_PLUGIN_DIR) == 0) {
    if (::FSFindFolder(kUserDomain, kInternetPlugInFolderType, false,
                       &fileRef) == noErr) {
      rv = NS_NewLocalFileWithFSRef(&fileRef, true, getter_AddRefs(macFile));
      if (NS_SUCCEEDED(rv)) {
        localFile = macFile;
      }
    }
  } else if (nsCRT::strcmp(aProp, NS_MACOSX_LOCAL_PLUGIN_DIR) == 0) {
    if (::FSFindFolder(kLocalDomain, kInternetPlugInFolderType, false,
                       &fileRef) == noErr) {
      rv = NS_NewLocalFileWithFSRef(&fileRef, true, getter_AddRefs(macFile));
      if (NS_SUCCEEDED(rv)) {
        localFile = macFile;
      }
    }
  } else if (nsCRT::strcmp(aProp, NS_MACOSX_JAVA2_PLUGIN_DIR) == 0) {
    static const char* const java2PluginDirPath =
      "/System/Library/Java/Support/Deploy.bundle/Contents/Resources/";
    rv = NS_NewNativeLocalFile(nsDependentCString(java2PluginDirPath), true,
                               getter_AddRefs(localFile));
  }
#else
  else if (nsCRT::strcmp(aProp, NS_ENV_PLUGINS_DIR) == 0) {
    NS_ERROR("Don't use nsAppFileLocationProvider::GetFile(NS_ENV_PLUGINS_DIR, ...). "
             "Use nsAppFileLocationProvider::GetFiles(...).");
    const char* pathVar = PR_GetEnv("MOZ_PLUGIN_PATH");
    if (pathVar && *pathVar)
      rv = NS_NewNativeLocalFile(nsDependentCString(pathVar), true,
                                 getter_AddRefs(localFile));
  } else if (nsCRT::strcmp(aProp, NS_USER_PLUGINS_DIR) == 0) {
#ifdef ENABLE_SYSTEM_EXTENSION_DIRS
    rv = GetProductDirectory(getter_AddRefs(localFile));
    if (NS_SUCCEEDED(rv)) {
      rv = localFile->AppendRelativeNativePath(PLUGINS_DIR_NAME);
    }
#else
    rv = NS_ERROR_FAILURE;
#endif
  }
//.........这里部分代码省略.........

static nsresult
GetUnixXDGUserDirectory(SystemDirectories aSystemDirectory,
                        nsIFile** aFile)
{
    char *dir = xdg_user_dir_lookup
                    (xdg_user_dirs + xdg_user_dir_offsets[aSystemDirectory -
                                                         Unix_XDG_Desktop]);

    nsresult rv;
    nsCOMPtr<nsIFile> file;
    if (dir) {
        rv = NS_NewNativeLocalFile(nsDependentCString(dir), true,
                                   getter_AddRefs(file));
        free(dir);
    } else if (Unix_XDG_Desktop == aSystemDirectory) {
        // for the XDG desktop dir, fall back to HOME/Desktop
        // (for historical compatibility)
        rv = GetUnixHomeDir(getter_AddRefs(file));
        if (NS_FAILED(rv))
            return rv;

        rv = file->AppendNative(NS_LITERAL_CSTRING("Desktop"));
    }
#if defined(MOZ_PLATFORM_MAEMO)
    // "MYDOCSDIR" is exported to point to "/home/user/MyDocs" in maemo.
    else if (Unix_XDG_Documents == aSystemDirectory) {

        char *myDocs = PR_GetEnv("MYDOCSDIR");
        if (!myDocs || !*myDocs)
            return NS_ERROR_FAILURE;

        rv = NS_NewNativeLocalFile(nsDependentCString(myDocs), true,
                                   getter_AddRefs(file));
        if (NS_FAILED(rv))
            return rv;

        rv = file->AppendNative(NS_LITERAL_CSTRING(".documents"));
    }
#endif
    else {
      // no fallback for the other XDG dirs
      rv = NS_ERROR_FAILURE;
    }

    if (NS_FAILED(rv))
        return rv;

    bool exists;
    rv = file->Exists(&exists);
    if (NS_FAILED(rv))
        return rv;
    if (!exists) {
        rv = file->Create(nsIFile::DIRECTORY_TYPE, 0755);
        if (NS_FAILED(rv))
            return rv;
    }

    *aFile = nullptr;
    file.swap(*aFile);

    return NS_OK;
}

nsresult
nsXREDirProvider::GetUpdateRootDir(nsIFile* *aResult)
{
  nsCOMPtr<nsIFile> updRoot;
#if defined(MOZ_WIDGET_GONK)

  nsresult rv = NS_NewNativeLocalFile(nsDependentCString("/data/local"),
                                      true,
                                      getter_AddRefs(updRoot));
  NS_ENSURE_SUCCESS(rv, rv);

#else
  nsCOMPtr<nsIFile> appFile;
  bool per = false;
  nsresult rv = GetFile(XRE_EXECUTABLE_FILE, &per, getter_AddRefs(appFile));
  NS_ENSURE_SUCCESS(rv, rv);
  rv = appFile->GetParent(getter_AddRefs(updRoot));
  NS_ENSURE_SUCCESS(rv, rv);

#ifdef XP_MACOSX
  nsCOMPtr<nsIFile> appRootDirFile;
  nsCOMPtr<nsIFile> localDir;
  nsAutoString appDirPath;
  if (NS_FAILED(appFile->GetParent(getter_AddRefs(appRootDirFile))) ||
      NS_FAILED(appRootDirFile->GetPath(appDirPath)) ||
      NS_FAILED(GetUserDataDirectoryHome(getter_AddRefs(localDir), true))) {
    return NS_ERROR_FAILURE;
  }

  int32_t dotIndex = appDirPath.RFind(".app");
  if (dotIndex == kNotFound) {
    dotIndex = appDirPath.Length();
  }
  appDirPath = Substring(appDirPath, 1, dotIndex - 1);

  bool hasVendor = gAppData->vendor && strlen(gAppData->vendor) != 0;
  if (hasVendor || gAppData->name) {
    if (NS_FAILED(localDir->AppendNative(nsDependentCString(hasVendor ?
                                           gAppData->vendor :
                                           gAppData->name)))) {
      return NS_ERROR_FAILURE;
    }
  } else if (NS_FAILED(localDir->AppendNative(NS_LITERAL_CSTRING("Mozilla")))) {
    return NS_ERROR_FAILURE;
  }

  if (NS_FAILED(localDir->Append(NS_LITERAL_STRING("updates"))) ||
      NS_FAILED(localDir->AppendRelativePath(appDirPath))) {
    return NS_ERROR_FAILURE;
  }

  localDir.forget(aResult);
  return NS_OK;

#elif XP_WIN
  nsAutoString pathHash;
  bool pathHashResult = false;
  bool hasVendor = gAppData->vendor && strlen(gAppData->vendor) != 0;

  nsAutoString appDirPath;
  if (SUCCEEDED(updRoot->GetPath(appDirPath))) {

    // Figure out where we should check for a cached hash value. If the
    // application doesn't have the nsXREAppData vendor value defined check
    // under SOFTWARE\Mozilla.
    wchar_t regPath[1024] = { L'\0' };
    swprintf_s(regPath, mozilla::ArrayLength(regPath), L"SOFTWARE\\%S\\%S\\TaskBarIDs",
               (hasVendor ? gAppData->vendor : "Mozilla"), MOZ_APP_BASENAME);

    // If we pre-computed the hash, grab it from the registry.
    pathHashResult = GetCachedHash(HKEY_LOCAL_MACHINE,
                                   nsDependentString(regPath), appDirPath,
                                   pathHash);
    if (!pathHashResult) {
      pathHashResult = GetCachedHash(HKEY_CURRENT_USER,
                                     nsDependentString(regPath), appDirPath,
                                     pathHash);
    }
  }

  // Get the local app data directory and if a vendor name exists append it.
  // If only a product name exists, append it.  If neither exist fallback to
  // old handling.  We don't use the product name on purpose because we want a
  // shared update directory for different apps run from the same path.
  nsCOMPtr<nsIFile> localDir;
  if (pathHashResult && (hasVendor || gAppData->name) &&
      NS_SUCCEEDED(GetUserDataDirectoryHome(getter_AddRefs(localDir), true)) &&
      NS_SUCCEEDED(localDir->AppendNative(nsDependentCString(hasVendor ?
                                          gAppData->vendor : gAppData->name))) &&
      NS_SUCCEEDED(localDir->Append(NS_LITERAL_STRING("updates"))) &&
      NS_SUCCEEDED(localDir->Append(pathHash))) {
    localDir.forget(aResult);
    return NS_OK;
  }

  nsAutoString appPath;
  rv = updRoot->GetPath(appPath);
  NS_ENSURE_SUCCESS(rv, rv);

  // AppDir may be a short path. Convert to long path to make sure
//.........这里部分代码省略.........

int main(int argc, char *argv[])
{
    nsresult rv;

    printf("You are embedded, man!\n\n");
    printf("******************************************************************\n");
    printf("*                                                                *\n");
    printf("*  IMPORTANT NOTE:                                               *\n");
    printf("*                                                                *\n");
    printf("*  WinEmbed is not supported!!! Do not raise bugs on it unless   *\n");
    printf("*  it is badly broken (e.g. crash on start/exit, build errors)   *\n");
    printf("*  or you have the patch to make it better! MFCEmbed is now our  *\n");
    printf("*  embedding test application on Win32 and all testing should    *\n");
    printf("*  be done on that.                                              *\n");
    printf("*                                                                *\n");
    printf("******************************************************************\n");
    printf("\n\n");
    
    // Sophisticated command-line parsing in action
    char *szFirstURL = "http://www.mozilla.org/projects/embedding/";
	int argn;
    for (argn = 1; argn < argc; argn++)
    {
		szFirstURL = argv[argn];
    }
    strncpy(gFirstURL, szFirstURL, sizeof(gFirstURL) - 1);

    ghInstanceApp = GetModuleHandle(nullptr);

    // Initialize global strings
    TCHAR szTitle[MAX_LOADSTRING];
    LoadString(ghInstanceApp, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
    MyRegisterClass(ghInstanceApp);

    char path[_MAX_PATH];
    GetModuleFileName(ghInstanceApp, path, sizeof(path));
    char* lastslash = ns_strrpbrk(path, "/\\");
    if (!lastslash)
        return 7;

    strcpy(lastslash, "\\xulrunner\\xpcom.dll");

    rv = XPCOMGlueStartup(path);
    if (NS_FAILED(rv))
        return 3;

    strcpy(lastslash, "\\xulrunner\\xul.dll");

    HINSTANCE xulModule = LoadLibraryEx(path, nullptr, 0);
    if (!xulModule)
        return 4;

    XRE_InitEmbedding2 =
        (XRE_InitEmbedding2Type) GetProcAddress(xulModule, "XRE_InitEmbedding2");
    if (!XRE_InitEmbedding2) {
        fprintf(stderr, "Error: %i\n", GetLastError());
        return 5;
    }

    XRE_TermEmbedding =
        (XRE_TermEmbeddingType) GetProcAddress(xulModule, "XRE_TermEmbedding");
    if (!XRE_TermEmbedding) {
        fprintf(stderr, "Error: %i\n", GetLastError());
        return 5;
    }

    int result = 0;

    // Scope all the XPCOM stuff
    {
        strcpy(lastslash, "\\xulrunner");

        nsCOMPtr<nsIFile> xuldir;
        rv = NS_NewNativeLocalFile(nsCString(path), false,
                                   getter_AddRefs(xuldir));
        if (NS_FAILED(rv))
            return 6;

        *lastslash = '\0';

        nsCOMPtr<nsIFile> appdir;
        rv = NS_NewNativeLocalFile(nsCString(path), false,
                                   getter_AddRefs(appdir));
        if (NS_FAILED(rv))
            return 8;

        rv = XRE_InitEmbedding2(xuldir, appdir, nullptr);
        if (NS_FAILED(rv))
            return 9;

        if (NS_FAILED(StartupProfile())) {
            result = 8;
        }
        else {
            InitializeWindowCreator();

            // Open the initial browser window
            OpenWebPage(gFirstURL);

            // Main message loop.
//.........这里部分代码省略.........

nsresult
nsXREDirProvider::GetUserDataDirectoryHome(nsIFile** aFile, bool aLocal)
{
  // Copied from nsAppFileLocationProvider (more or less)
  nsresult rv;
  nsCOMPtr<nsIFile> localDir;

#if defined(XP_MACOSX)
  FSRef fsRef;
  OSType folderType;
  if (aLocal) {
    folderType = kCachedDataFolderType;
  } else {
#ifdef MOZ_THUNDERBIRD
    folderType = kDomainLibraryFolderType;
#else
    folderType = kApplicationSupportFolderType;
#endif
  }
  OSErr err = ::FSFindFolder(kUserDomain, folderType, kCreateFolder, &fsRef);
  NS_ENSURE_FALSE(err, NS_ERROR_FAILURE);

  rv = NS_NewNativeLocalFile(EmptyCString(), true, getter_AddRefs(localDir));
  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsILocalFileMac> dirFileMac = do_QueryInterface(localDir);
  NS_ENSURE_TRUE(dirFileMac, NS_ERROR_UNEXPECTED);

  rv = dirFileMac->InitWithFSRef(&fsRef);
  NS_ENSURE_SUCCESS(rv, rv);

  localDir = do_QueryInterface(dirFileMac, &rv);
#elif defined(XP_WIN)
  nsString path;
  if (aLocal) {
    rv = GetShellFolderPath(CSIDL_LOCAL_APPDATA, path);
    if (NS_FAILED(rv))
      rv = GetRegWindowsAppDataFolder(aLocal, path);
  }
  if (!aLocal || NS_FAILED(rv)) {
    rv = GetShellFolderPath(CSIDL_APPDATA, path);
    if (NS_FAILED(rv)) {
      if (!aLocal)
        rv = GetRegWindowsAppDataFolder(aLocal, path);
    }
  }
  NS_ENSURE_SUCCESS(rv, rv);

  rv = NS_NewLocalFile(path, true, getter_AddRefs(localDir));
#elif defined(XP_OS2)
#if 0 /* For OS/2 we want to always use MOZILLA_HOME */
  // we want an environment variable of the form
  // FIREFOX_HOME, etc
  if (!gAppData)
    return NS_ERROR_FAILURE;
  nsDependentCString envVar(nsDependentCString(gAppData->name));
  envVar.Append("_HOME");
  char *pHome = getenv(envVar.get());
#endif
  char *pHome = getenv("MOZILLA_HOME");
  if (pHome && *pHome) {
    rv = NS_NewNativeLocalFile(nsDependentCString(pHome), true,
                               getter_AddRefs(localDir));
  } else {
    PPIB ppib;
    PTIB ptib;
    char appDir[CCHMAXPATH];

    DosGetInfoBlocks(&ptib, &ppib);
    DosQueryModuleName(ppib->pib_hmte, CCHMAXPATH, appDir);
    *strrchr(appDir, '\\') = '\0';
    rv = NS_NewNativeLocalFile(nsDependentCString(appDir), true, getter_AddRefs(localDir));
  }
#elif defined(MOZ_WIDGET_GONK)
  rv = NS_NewNativeLocalFile(NS_LITERAL_CSTRING("/data/b2g"), true,
                             getter_AddRefs(localDir));
#elif defined(XP_UNIX)
  const char* homeDir = getenv("HOME");
  if (!homeDir || !*homeDir)
    return NS_ERROR_FAILURE;

#ifdef ANDROID /* We want (ProfD == ProfLD) on Android. */
  aLocal = false;
#endif

  if (aLocal) {
    // If $XDG_CACHE_HOME is defined use it, otherwise use $HOME/.cache.
    const char* cacheHome = getenv("XDG_CACHE_HOME");
    if (cacheHome && *cacheHome) {
      rv = NS_NewNativeLocalFile(nsDependentCString(cacheHome), true,
                                 getter_AddRefs(localDir));
    } else {
      rv = NS_NewNativeLocalFile(nsDependentCString(homeDir), true,
                                 getter_AddRefs(localDir));
      if (NS_SUCCEEDED(rv))
        rv = localDir->AppendNative(NS_LITERAL_CSTRING(".cache"));
    }
  } else {
    rv = NS_NewNativeLocalFile(nsDependentCString(homeDir), true,
                               getter_AddRefs(localDir));
//.........这里部分代码省略.........

//.........这里部分代码省略.........
  }
  else if (!strcmp(aProperty, XRE_EXECUTABLE_FILE) && gArgv[0]) {
    nsCOMPtr<nsILocalFile> lf;
    rv = XRE_GetBinaryPath(gArgv[0], getter_AddRefs(lf));
    if (NS_SUCCEEDED(rv))
      file = lf;
  }
  else if (!strcmp(aProperty, "resource:app")) {
    rv = GetAppDir()->Clone(getter_AddRefs(file));
  }

  else if (!strcmp(aProperty, NS_APP_PROFILE_DIR_STARTUP) && mProfileDir) {
    return mProfileDir->Clone(aFile);
  }
  else if (!strcmp(aProperty, NS_APP_PROFILE_LOCAL_DIR_STARTUP)) {
    if (mProfileLocalDir)
      return mProfileLocalDir->Clone(aFile);

    if (mProfileDir)
      return mProfileDir->Clone(aFile);

    if (mAppProvider)
      return mAppProvider->GetFile(NS_APP_PROFILE_DIR_STARTUP, aPersistent,
                                   aFile);
  }
#if defined(XP_UNIX) || defined(XP_MACOSX)
  else if (!strcmp(aProperty, XRE_SYS_LOCAL_EXTENSION_PARENT_DIR)) {
    return GetSystemExtensionsDirectory((nsILocalFile**)(nsIFile**) aFile);
  }
#endif
#if defined(XP_UNIX) && !defined(XP_MACOSX)
  else if (!strcmp(aProperty, XRE_SYS_SHARE_EXTENSION_PARENT_DIR)) {
    static const char *const sysLExtDir = "/usr/share/mozilla/extensions";
    return NS_NewNativeLocalFile(nsDependentCString(sysLExtDir),
                                 PR_FALSE, (nsILocalFile**)(nsIFile**) aFile);
  }
#endif
  else if (!strcmp(aProperty, XRE_USER_SYS_EXTENSION_DIR)) {
    return GetSysUserExtensionsDirectory((nsILocalFile**)(nsIFile**) aFile);
  }
  else if (NS_SUCCEEDED(GetProfileStartupDir(getter_AddRefs(file)))) {
    // We need to allow component, xpt, and chrome registration to
    // occur prior to the profile-after-change notification.
    if (!strcmp(aProperty, NS_APP_USER_CHROME_DIR)) {
      rv = file->AppendNative(NS_LITERAL_CSTRING("chrome"));
    }
  }

  if (NS_SUCCEEDED(rv) && file) {
    NS_ADDREF(*aFile = file);
    return NS_OK;
  }

  PRBool ensureFilePermissions = PR_FALSE;

  if (NS_SUCCEEDED(GetProfileDir(getter_AddRefs(file)))) {
    if (!strcmp(aProperty, NS_APP_PREFS_50_DIR)) {
      rv = NS_OK;
    }
    else if (!strcmp(aProperty, NS_APP_PREFS_50_FILE)) {
      rv = file->AppendNative(NS_LITERAL_CSTRING("prefs.js"));
    }
    else if (!strcmp(aProperty, NS_LOCALSTORE_UNSAFE_FILE)) {
      rv = file->AppendNative(NS_LITERAL_CSTRING("localstore.rdf"));
    }
    else if (!strcmp(aProperty, NS_APP_LOCALSTORE_50_FILE)) {

nsresult
nsXREDirProvider::GetUserDataDirectoryHome(nsILocalFile** aFile, PRBool aLocal)
{
  // Copied from nsAppFileLocationProvider (more or less)
  nsresult rv;
  nsCOMPtr<nsILocalFile> localDir;

#if defined(MOZ_WIDGET_COCOA)
  FSRef fsRef;
  OSType folderType;
  if (aLocal) {
    folderType = kCachedDataFolderType;
  } else {
#ifdef MOZ_THUNDERBIRD
    folderType = kDomainLibraryFolderType;
#else
    folderType = kApplicationSupportFolderType;
#endif
  }
  OSErr err = ::FSFindFolder(kUserDomain, folderType, kCreateFolder, &fsRef);
  NS_ENSURE_FALSE(err, NS_ERROR_FAILURE);

  rv = NS_NewNativeLocalFile(EmptyCString(), PR_TRUE, getter_AddRefs(localDir));
  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsILocalFileMac> dirFileMac = do_QueryInterface(localDir);
  NS_ENSURE_TRUE(dirFileMac, NS_ERROR_UNEXPECTED);

  rv = dirFileMac->InitWithFSRef(&fsRef);
  NS_ENSURE_SUCCESS(rv, rv);

  localDir = do_QueryInterface(dirFileMac, &rv);
#elif defined(XP_WIN)
  nsString path;
  if (aLocal) {
    rv = GetShellFolderPath(CSIDL_LOCAL_APPDATA, path);
#ifndef WINCE
    if (NS_FAILED(rv))
      rv = GetRegWindowsAppDataFolder(aLocal, path);
#endif
  }
  if (!aLocal || NS_FAILED(rv)) {
    rv = GetShellFolderPath(CSIDL_APPDATA, path);
#ifndef WINCE
    if (NS_FAILED(rv)) {
      if (!aLocal)
        rv = GetRegWindowsAppDataFolder(aLocal, path);
    }
#endif

  }
  NS_ENSURE_SUCCESS(rv, rv);

  rv = NS_NewLocalFile(path, PR_TRUE, getter_AddRefs(localDir));
#elif defined(XP_OS2)
#if 0 /* For OS/2 we want to always use MOZILLA_HOME */
  // we want an environment variable of the form
  // FIREFOX_HOME, etc
  if (!gAppData)
    return NS_ERROR_FAILURE;
  nsDependentCString envVar(nsDependentCString(gAppData->name));
  envVar.Append("_HOME");
  char *pHome = getenv(envVar.get());
#endif
  char *pHome = getenv("MOZILLA_HOME");
  if (pHome && *pHome) {
    rv = NS_NewNativeLocalFile(nsDependentCString(pHome), PR_TRUE,
                               getter_AddRefs(localDir));
  } else {
    PPIB ppib;
    PTIB ptib;
    char appDir[CCHMAXPATH];

    DosGetInfoBlocks(&ptib, &ppib);
    DosQueryModuleName(ppib->pib_hmte, CCHMAXPATH, appDir);
    *strrchr(appDir, '\\') = '\0';
    rv = NS_NewNativeLocalFile(nsDependentCString(appDir), PR_TRUE, getter_AddRefs(localDir));
  }
#elif defined(XP_BEOS)
  char appDir[MAXPATHLEN];
  if (find_directory(B_USER_SETTINGS_DIRECTORY, NULL, true, appDir, MAXPATHLEN))
    return NS_ERROR_FAILURE;

  int len = strlen(appDir);
  appDir[len]   = '/';
  appDir[len+1] = '\0';

  rv = NS_NewNativeLocalFile(nsDependentCString(appDir), PR_TRUE,
                             getter_AddRefs(localDir));
#elif defined(ANDROID)
  // used for setting the patch to our profile
  // XXX: investigate putting the profile somewhere else
  const char* homeDir = "/data/data/org.mozilla." MOZ_APP_NAME;

  rv = NS_NewNativeLocalFile(nsDependentCString(homeDir), PR_TRUE,
                             getter_AddRefs(localDir));
#elif defined(XP_UNIX)
  const char* homeDir = getenv("HOME");
  if (!homeDir || !*homeDir)
    return NS_ERROR_FAILURE;
//.........这里部分代码省略.........

int
main (int argc, char **argv)
{
    nsresult rv;

    NS_InitXPCOM2(nsnull, nsnull, nsnull);

    nsCOMPtr<mozIStorageService> dbSrv;
    dbSrv = do_GetService(kmozStorageServiceCID, &rv);
    NS_ENSURE_SUCCESS(rv, rv);

    nsCOMPtr<nsILocalFile> f;
    rv = NS_NewNativeLocalFile (TEST_DB, PR_FALSE, getter_AddRefs(f));
    NS_ENSURE_SUCCESS(rv, rv);

    nsCOMPtr<mozIStorageConnection> dbConn;
    rv = dbSrv->OpenDatabase(f, getter_AddRefs(dbConn));
    NS_ENSURE_SUCCESS(rv, rv);

    rv = dbConn->CreateFunction("x_test", -1, new TestFunc());
    NS_ENSURE_SUCCESS(rv, rv);

    rv = dbConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING("SELECT x_test(1)"));
    NS_ENSURE_SUCCESS(rv, rv);

    rv = dbConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING("DROP TABLE foo"));
    // TEST_CHECK_ERROR(rv);

    rv = dbConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING("CREATE TABLE foo (i INTEGER)"));
    TEST_CHECK_ERROR(rv);

    nsCOMPtr<mozIStorageStatement> dbFooInsertStatement;
    rv = dbConn->CreateStatement (NS_LITERAL_CSTRING("INSERT INTO foo VALUES ( ?1 )"), getter_AddRefs(dbFooInsertStatement));
    TEST_CHECK_ERROR(rv);

    nsCOMPtr<mozIStorageStatement> dbFooSelectStatement;
    rv = dbConn->CreateStatement (NS_LITERAL_CSTRING("SELECT i FROM foo"), getter_AddRefs(dbFooSelectStatement));
    TEST_CHECK_ERROR(rv);

    for (int i = 0; i < 10; i++) {
        rv = dbFooInsertStatement->BindInt32Parameter (0, i);
        TEST_CHECK_ERROR(rv);

        rv = dbFooInsertStatement->Execute ();
        TEST_CHECK_ERROR(rv);
    }

    fprintf (stderr, "10 values written to foo...\n");

    nsCOMPtr<mozIStorageValueArray> dbRow = do_QueryInterface(dbFooSelectStatement);
    PRBool hasMore = PR_FALSE;

    while ((dbFooSelectStatement->ExecuteStep(&hasMore) == NS_OK) && hasMore)
    {
        PRUint32 len;
        
        dbRow->GetNumEntries (&len);
        fprintf (stderr, "Row[length %d]: %d '%s'\n", len, dbRow->AsInt32(0), dbRow->AsSharedUTF8String(0, 0));
    }

    TEST_CHECK_ERROR(rv);
    fprintf (stderr, "Done. %d 0x%08x %p\n", rv, rv, dbRow.get());
}

void
nsPicoService::Init()
{
  MOZ_ASSERT(!NS_IsMainThread());
  MOZ_ASSERT(!mInitialized);

  if (!sPicoApi.Init()) {
    NS_WARNING("Failed to initialize pico library");
    return;
  }

  // Use environment variable, or default android/b2g path
  nsAutoCString langPath(PR_GetEnv("PICO_LANG_PATH"));

  if (langPath.IsEmpty()) {
    langPath.AssignLiteral(GONK_PICO_LANG_PATH);
  }

  nsCOMPtr<nsIFile> voicesDir;
  NS_NewNativeLocalFile(langPath, true, getter_AddRefs(voicesDir));

  nsCOMPtr<nsISimpleEnumerator> dirIterator;
  nsresult rv = voicesDir->GetDirectoryEntries(getter_AddRefs(dirIterator));

  if (NS_FAILED(rv)) {
    NS_WARNING(nsPrintfCString("Failed to get contents of directory: %s", langPath.get()).get());
    return;
  }

  bool hasMoreElements = false;
  rv = dirIterator->HasMoreElements(&hasMoreElements);
  MOZ_ASSERT(NS_SUCCEEDED(rv));

  MonitorAutoLock autoLock(mVoicesMonitor);

  while (hasMoreElements && NS_SUCCEEDED(rv)) {
    nsCOMPtr<nsISupports> supports;
    rv = dirIterator->GetNext(getter_AddRefs(supports));
    MOZ_ASSERT(NS_SUCCEEDED(rv));

    nsCOMPtr<nsIFile> voiceFile = do_QueryInterface(supports);
    MOZ_ASSERT(voiceFile);

    nsAutoCString leafName;
    voiceFile->GetNativeLeafName(leafName);

    nsAutoString lang;

    if (GetVoiceFileLanguage(leafName, lang)) {
      nsAutoString uri;
      uri.AssignLiteral("urn:moz-tts:pico:");
      uri.Append(lang);

      bool found = false;
      PicoVoice* voice = mVoices.GetWeak(uri, &found);

      if (!found) {
        voice = new PicoVoice(lang);
        mVoices.Put(uri, voice);
      }

      // Each voice consists of two lingware files: A language resource file,
      // suffixed by _ta.bin, and a speaker resource file, suffixed by _sb.bin.
      // We currently assume that there is a pair of files for each language.
      if (StringEndsWith(leafName, NS_LITERAL_CSTRING("_ta.bin"))) {
        rv = voiceFile->GetPersistentDescriptor(voice->mTaFile);
        MOZ_ASSERT(NS_SUCCEEDED(rv));
      } else if (StringEndsWith(leafName, NS_LITERAL_CSTRING("_sg.bin"))) {
        rv = voiceFile->GetPersistentDescriptor(voice->mSgFile);
        MOZ_ASSERT(NS_SUCCEEDED(rv));
      }
    }

    rv = dirIterator->HasMoreElements(&hasMoreElements);
  }

  NS_DispatchToMainThread(NewRunnableMethod(this, &nsPicoService::RegisterVoices));
}

/* nsIFile getFile (in string prop, out bool\/* PRBool *\/ persistent); */
NS_IMETHODIMP 
LocationProvider::GetFile(const char *prop, bool/* PRBool */ *persistent, nsIFile **_retval)
{
    nsCOMPtr<nsILocalFile>  localFile;
    nsresult rv = NS_ERROR_FAILURE;

    *_retval = nsnull;
    *persistent = PR_TRUE;


    if (strcmp(prop, NS_GRE_DIR) == 0)
		rv = GetAvailableRuntime (getter_AddRefs(localFile));

    else if (strcmp(prop, NS_APP_DEFAULTS_50_DIR) == 0)
    {
        rv = GetAvailableRuntime (getter_AddRefs(localFile));
        if (NS_SUCCEEDED(rv))
            rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
    }
    else if (strcmp(prop, NS_APP_PREF_DEFAULTS_50_DIR) == 0)
    {
        rv = GetAvailableRuntime (getter_AddRefs(localFile));
        if (NS_SUCCEEDED(rv)) {
            rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
            if (NS_SUCCEEDED(rv))
                rv = localFile->AppendRelativeNativePath(DEFAULTS_PREF_DIR_NAME);
        }
    }
    else if (strcmp(prop, NS_APP_PROFILE_DEFAULTS_NLOC_50_DIR) == 0 ||
             strcmp(prop, NS_APP_PROFILE_DEFAULTS_50_DIR) == 0)
	{
        rv = GetAvailableRuntime (getter_AddRefs(localFile));
        if (NS_SUCCEEDED(rv)) {
            rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
            if (NS_SUCCEEDED(rv))
                rv = localFile->AppendRelativeNativePath(DEFAULTS_PROFILE_DIR_NAME);
        }
    }
    else if (strcmp(prop, NS_APP_USER_PROFILE_50_DIR) == 0 ||
			 strcmp(prop, NS_APP_PREFS_50_DIR) == 0)
	{

        nsCOMPtr<nsIProperties>
          directoryService(do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv));
        if (NS_FAILED(rv))
            return rv;

        rv = directoryService->Get(NS_APP_USER_PROFILES_ROOT_DIR, NS_GET_IID(nsIFile), getter_AddRefs(localFile));
		
//		nsEmbedCString file(widget->startDir);
//		rv = NS_NewNativeLocalFile(file, PR_TRUE, getter_AddRefs(localFile));

//      if (NS_SUCCEEDED(rv)) {
//          rv = localFile->AppendRelativeNativePath(PROFILE_ROOT_DIR_NAME);
//          if (NS_SUCCEEDED(rv))
//              rv = localFile->AppendRelativeNativePath(DEFAULTS_PROFILE_DIR_NAME);
//      }
    }
    else if (strcmp(prop, NS_APP_RES_DIR) == 0)
    {
        rv = GetAvailableRuntime (getter_AddRefs(localFile));
        if (NS_SUCCEEDED(rv))
            rv = localFile->AppendRelativeNativePath(RES_DIR_NAME);
    }
    else if (strcmp(prop, NS_APP_CHROME_DIR) == 0)
    {
        rv = GetAvailableRuntime (getter_AddRefs(localFile));
        if (NS_SUCCEEDED(rv))
            rv = localFile->AppendRelativeNativePath(CHROME_DIR_NAME);
    }
    //else if (strcmp(prop, NS_APP_PLUGINS_DIR) == 0)
    //{
    //    rv = GetAvailableRuntime (getter_AddRefs(localFile));
    //    if (NS_SUCCEEDED(rv))
    //        rv = localFile->AppendRelativeNativePath(PLUGINS_DIR_NAME);
    //}
    //else if (strcmp(prop, NS_APP_SEARCH_DIR) == 0)
    //{
    //    rv = GetAvailableRuntime (getter_AddRefs(localFile));
    //    if (NS_SUCCEEDED(rv))
    //        rv = localFile->AppendRelativeNativePath(SEARCH_DIR_NAME);
    //}
	else if (strcmp(prop, NS_GRE_COMPONENT_DIR) == 0 ||
		strcmp(prop, NS_XPCOM_COMPONENT_DIR) == 0)
	{
		rv = GetAvailableRuntime (getter_AddRefs(localFile));
        if (NS_SUCCEEDED(rv))
            rv = localFile->AppendRelativeNativePath(COMPONENTS_DIR_NAME);
	}
	else if (strcmp (prop, NS_XPCOM_COMPONENT_REGISTRY_FILE) == 0)
	{
		nsEmbedCString file(widget->dataDir);
		rv = NS_NewNativeLocalFile(file, PR_TRUE, getter_AddRefs(localFile));
		if (NS_SUCCEEDED(rv))
		{
			bool/* PRBool */ exists;
			rv = localFile->AppendNative(COMPONENT_DIRECTORY);
			if (NS_FAILED(rv)) return rv;
			rv = localFile->Exists (&exists);
//.........这里部分代码省略.........