The Tor Browser: browser/components/shell/src/nsGNOMEShellService.cpp@6474c204b198 (annotated)

browser/components/shell/src/nsGNOMEShellService.cpp@6474c204b198 (annotated)

browser/components/shell/src/nsGNOMEShellService.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "mozilla/ArrayUtils.h"
 #include "nsCOMPtr.h"
 #include "nsGNOMEShellService.h"
 #include "nsShellService.h"
 #include "nsIServiceManager.h"
 #include "nsIFile.h"
 #include "nsIProperties.h"
 #include "nsDirectoryServiceDefs.h"
 #include "nsIPrefService.h"
 #include "prenv.h"
 #include "nsStringAPI.h"
 #include "nsIGConfService.h"
 #include "nsIGIOService.h"
 #include "nsIGSettingsService.h"
 #include "nsIStringBundle.h"
 #include "nsIOutputStream.h"
 #include "nsIProcess.h"
 #include "nsNetUtil.h"
 #include "nsIDOMHTMLImageElement.h"
 #include "nsIImageLoadingContent.h"
 #include "imgIRequest.h"
 #include "imgIContainer.h"
 #include "prprf.h"
 #if defined(MOZ_WIDGET_GTK)
 #include "nsIImageToPixbuf.h"
 #endif
 #include "nsXULAppAPI.h"
 #include <glib.h>
 #include <glib-object.h>
 #include <gtk/gtk.h>
 #include <gdk/gdk.h>
 #include <gdk-pixbuf/gdk-pixbuf.h>
 #include <limits.h>
 #include <stdlib.h>
 using namespace mozilla;
 struct ProtocolAssociation
 {
   const char *name;
   bool essential;
 };
 struct MimeTypeAssociation
 {
   const char *mimeType;
   const char *extensions;
 };
 static const ProtocolAssociation appProtocols[] = {
   { "http",   true     },
   { "https",  true     },
   { "ftp",    false },
   { "chrome", false }
 };
 static const MimeTypeAssociation appTypes[] = {
   { "text/html",             "htm html shtml" },
   { "application/xhtml+xml", "xhtml xht"      }
 };
 // GConf registry key constants
 #define DG_BACKGROUND "/desktop/gnome/background"
 static const char kDesktopImageKey[] = DG_BACKGROUND "/picture_filename";
 static const char kDesktopOptionsKey[] = DG_BACKGROUND "/picture_options";
 static const char kDesktopDrawBGKey[] = DG_BACKGROUND "/draw_background";
 static const char kDesktopColorKey[] = DG_BACKGROUND "/primary_color";
 static const char kDesktopBGSchema[] = "org.gnome.desktop.background";
 static const char kDesktopImageGSKey[] = "picture-uri";
 static const char kDesktopOptionGSKey[] = "picture-options";
 static const char kDesktopDrawBGGSKey[] = "draw-background";
 static const char kDesktopColorGSKey[] = "primary-color";
 nsresult
 nsGNOMEShellService::Init()
 {
   nsresult rv;
   // GConf, GSettings or GIO _must_ be available, or we do not allow
   // CreateInstance to succeed.
   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   nsCOMPtr<nsIGIOService> giovfs =
     do_GetService(NS_GIOSERVICE_CONTRACTID);
   nsCOMPtr<nsIGSettingsService> gsettings =
     do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
   if (!gconf && !giovfs && !gsettings)
     return NS_ERROR_NOT_AVAILABLE;
   // 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;
   if (GetAppPathFromLauncher())
     return NS_OK;
   nsCOMPtr<nsIProperties> dirSvc
     (do_GetService("@mozilla.org/file/directory_service;1"));
   NS_ENSURE_TRUE(dirSvc, NS_ERROR_NOT_AVAILABLE);
   nsCOMPtr<nsIFile> appPath;
   rv = dirSvc->Get(XRE_EXECUTABLE_FILE, NS_GET_IID(nsIFile),
                    getter_AddRefs(appPath));
   NS_ENSURE_SUCCESS(rv, rv);
   return appPath->GetNativePath(mAppPath);
 }
 NS_IMPL_ISUPPORTS(nsGNOMEShellService, nsIShellService)
 bool
 nsGNOMEShellService::GetAppPathFromLauncher()
 {
   gchar *tmp;
   const char *launcher = PR_GetEnv("MOZ_APP_LAUNCHER");
   if (!launcher)
     return false;
   if (g_path_is_absolute(launcher)) {
     mAppPath = launcher;
     tmp = g_path_get_basename(launcher);
     gchar *fullpath = g_find_program_in_path(tmp);
     if (fullpath && mAppPath.Equals(fullpath))
       mAppIsInPath = true;
     g_free(fullpath);
   } else {
     tmp = g_find_program_in_path(launcher);
     if (!tmp)
       return false;
     mAppPath = tmp;
     mAppIsInPath = true;
   }
   g_free(tmp);
   return true;
 }
 bool
 nsGNOMEShellService::KeyMatchesAppName(const char *aKeyValue) const
 {
   gchar *commandPath;
   if (mUseLocaleFilenames) {
     gchar *nativePath = g_filename_from_utf8(aKeyValue, -1,
                                              nullptr, nullptr, nullptr);
     if (!nativePath) {
       NS_ERROR("Error converting path to filesystem encoding");
       return false;
     }
     commandPath = g_find_program_in_path(nativePath);
     g_free(nativePath);
   } else {
     commandPath = g_find_program_in_path(aKeyValue);
   }
   if (!commandPath)
     return false;
   bool matches = mAppPath.Equals(commandPath);
   g_free(commandPath);
   return matches;
 }
 bool
 nsGNOMEShellService::CheckHandlerMatchesAppName(const nsACString &handler) const
 {
   gint argc;
   gchar **argv;
   nsAutoCString command(handler);
   // The string will be something of the form: [/path/to/]browser "%s"
   // We want to remove all of the parameters and get just the binary name.
   if (g_shell_parse_argv(command.get(), &argc, &argv, nullptr) && argc > 0) {
     command.Assign(argv[0]);
     g_strfreev(argv);
   }
   if (!KeyMatchesAppName(command.get()))
     return false; // the handler is set to another app
   return true;
 }
 NS_IMETHODIMP
 nsGNOMEShellService::IsDefaultBrowser(bool aStartupCheck,
                                       bool aForAllTypes,
                                       bool* aIsDefaultBrowser)
 {
   *aIsDefaultBrowser = false;
   if (aStartupCheck)
     mCheckedThisSession = true;
   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
   bool enabled;
   nsAutoCString handler;
   nsCOMPtr<nsIGIOMimeApp> gioApp;
   for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
     if (!appProtocols[i].essential)
       continue;
     if (gconf) {
       handler.Truncate();
       gconf->GetAppForProtocol(nsDependentCString(appProtocols[i].name),
                                &enabled, handler);
       if (!CheckHandlerMatchesAppName(handler) || !enabled)
         return NS_OK; // the handler is disabled or set to another app
     }
     if (giovfs) {
       handler.Truncate();
       giovfs->GetAppForURIScheme(nsDependentCString(appProtocols[i].name),
                                  getter_AddRefs(gioApp));
       if (!gioApp)
         return NS_OK;
       gioApp->GetCommand(handler);
       if (!CheckHandlerMatchesAppName(handler))
         return NS_OK; // the handler is set to another app
     }
   }
   *aIsDefaultBrowser = true;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGNOMEShellService::SetDefaultBrowser(bool aClaimAllTypes,
                                        bool aForAllUsers)
 {
 #ifdef DEBUG
   if (aForAllUsers)
     NS_WARNING("Setting the default browser for all users is not yet supported");
 #endif
   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
   if (gconf) {
     nsAutoCString appKeyValue;
     if (mAppIsInPath) {
       // mAppPath is in the users path, so use only the basename as the launcher
       gchar *tmp = g_path_get_basename(mAppPath.get());
       appKeyValue = tmp;
       g_free(tmp);
     } else {
       appKeyValue = mAppPath;
     }
     appKeyValue.AppendLiteral(" %s");
     for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
       if (appProtocols[i].essential || aClaimAllTypes) {
         gconf->SetAppForProtocol(nsDependentCString(appProtocols[i].name),
                                  appKeyValue);
       }
     }
   }
   if (giovfs) {
     nsresult rv;
     nsCOMPtr<nsIStringBundleService> bundleService =
       do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
     NS_ENSURE_SUCCESS(rv, rv);
     nsCOMPtr<nsIStringBundle> brandBundle;
     rv = bundleService->CreateBundle(BRAND_PROPERTIES, getter_AddRefs(brandBundle));
     NS_ENSURE_SUCCESS(rv, rv);
     nsString brandShortName;
     brandBundle->GetStringFromName(MOZ_UTF16("brandShortName"),
                                    getter_Copies(brandShortName));
     // use brandShortName as the application id.
     NS_ConvertUTF16toUTF8 id(brandShortName);
     nsCOMPtr<nsIGIOMimeApp> appInfo;
     rv = giovfs->CreateAppFromCommand(mAppPath,
                                       id,
                                       getter_AddRefs(appInfo));
     NS_ENSURE_SUCCESS(rv, rv);
     // set handler for the protocols
     for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
       if (appProtocols[i].essential || aClaimAllTypes) {
         appInfo->SetAsDefaultForURIScheme(nsDependentCString(appProtocols[i].name));
       }
     }
     // set handler for .html and xhtml files and MIME types:
     if (aClaimAllTypes) {
       // Add mime types for html, xhtml extension and set app to just created appinfo.
       for (unsigned int i = 0; i < ArrayLength(appTypes); ++i) {
         appInfo->SetAsDefaultForMimeType(nsDependentCString(appTypes[i].mimeType));
         appInfo->SetAsDefaultForFileExtensions(nsDependentCString(appTypes[i].extensions));
       }
     }
   }
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGNOMEShellService::GetShouldCheckDefaultBrowser(bool* aResult)
 {
   // If we've already checked, the browser has been started and this is a
   // new window open, and we don't want to check again.
   if (mCheckedThisSession) {
     *aResult = false;
     return NS_OK;
   }
   nsCOMPtr<nsIPrefBranch> prefs;
   nsCOMPtr<nsIPrefService> pserve(do_GetService(NS_PREFSERVICE_CONTRACTID));
   if (pserve)
     pserve->GetBranch("", getter_AddRefs(prefs));
   if (prefs)
     prefs->GetBoolPref(PREF_CHECKDEFAULTBROWSER, aResult);
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGNOMEShellService::SetShouldCheckDefaultBrowser(bool aShouldCheck)
 {
   nsCOMPtr<nsIPrefBranch> prefs;
   nsCOMPtr<nsIPrefService> pserve(do_GetService(NS_PREFSERVICE_CONTRACTID));
   if (pserve)
     pserve->GetBranch("", getter_AddRefs(prefs));
   if (prefs)
     prefs->SetBoolPref(PREF_CHECKDEFAULTBROWSER, aShouldCheck);
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGNOMEShellService::GetCanSetDesktopBackground(bool* aResult)
 {
   // setting desktop background is currently only supported
   // for Gnome or desktops using the same GSettings and GConf keys
   const char* gnomeSession = getenv("GNOME_DESKTOP_SESSION_ID");
   if (gnomeSession) {
     *aResult = true;
   } else {
     *aResult = false;
   }
   return NS_OK;
 }
 static nsresult
 WriteImage(const nsCString& aPath, imgIContainer* aImage)
 {
 #if !defined(MOZ_WIDGET_GTK)
   return NS_ERROR_NOT_AVAILABLE;
 #else
   nsCOMPtr<nsIImageToPixbuf> imgToPixbuf =
     do_GetService("@mozilla.org/widget/image-to-gdk-pixbuf;1");
   if (!imgToPixbuf)
       return NS_ERROR_NOT_AVAILABLE;
   GdkPixbuf* pixbuf = imgToPixbuf->ConvertImageToPixbuf(aImage);
   if (!pixbuf)
       return NS_ERROR_NOT_AVAILABLE;
   gboolean res = gdk_pixbuf_save(pixbuf, aPath.get(), "png", nullptr, nullptr);
   g_object_unref(pixbuf);
   return res ? NS_OK : NS_ERROR_FAILURE;
 #endif
 }
 NS_IMETHODIMP
 nsGNOMEShellService::SetDesktopBackground(nsIDOMElement* aElement,
                                           int32_t aPosition)
 {
   nsresult rv;
   nsCOMPtr<nsIImageLoadingContent> imageContent = do_QueryInterface(aElement, &rv);
   if (!imageContent) return rv;
   // get the image container
   nsCOMPtr<imgIRequest> request;
   rv = imageContent->GetRequest(nsIImageLoadingContent::CURRENT_REQUEST,
                                 getter_AddRefs(request));
   if (!request) return rv;
   nsCOMPtr<imgIContainer> container;
   rv = request->GetImage(getter_AddRefs(container));
   if (!container) return rv;
   // Set desktop wallpaper filling style
   nsAutoCString options;
   if (aPosition == BACKGROUND_TILE)
     options.Assign("wallpaper");
   else if (aPosition == BACKGROUND_STRETCH)
     options.Assign("stretched");
   else if (aPosition == BACKGROUND_FILL)
     options.Assign("zoom");
   else if (aPosition == BACKGROUND_FIT)
     options.Assign("scaled");
   else
     options.Assign("centered");
   // Write the background file to the home directory.
   nsAutoCString filePath(PR_GetEnv("HOME"));
   // get the product brand name from localized strings
   nsString brandName;
   nsCID bundleCID = NS_STRINGBUNDLESERVICE_CID;
   nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(bundleCID));
   if (bundleService) {
     nsCOMPtr<nsIStringBundle> brandBundle;
     rv = bundleService->CreateBundle(BRAND_PROPERTIES,
                                      getter_AddRefs(brandBundle));
     if (NS_SUCCEEDED(rv) && brandBundle) {
       rv = brandBundle->GetStringFromName(MOZ_UTF16("brandShortName"),
                                           getter_Copies(brandName));
       NS_ENSURE_SUCCESS(rv, rv);
     }
   }
   // build the file name
   filePath.Append('/');
   filePath.Append(NS_ConvertUTF16toUTF8(brandName));
   filePath.Append("_wallpaper.png");
   // write the image to a file in the home dir
   rv = WriteImage(filePath, container);
   NS_ENSURE_SUCCESS(rv, rv);
   // Try GSettings first. If we don't have GSettings or the right schema, fall back
   // to using GConf instead. Note that if GSettings works ok, the changes get
   // mirrored to GConf by the gsettings->gconf bridge in gnome-settings-daemon
   nsCOMPtr<nsIGSettingsService> gsettings =
     do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
   if (gsettings) {
     nsCOMPtr<nsIGSettingsCollection> background_settings;
     gsettings->GetCollectionForSchema(
       NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
     if (background_settings) {
       gchar *file_uri = g_filename_to_uri(filePath.get(), nullptr, nullptr);
       if (!file_uri)
          return NS_ERROR_FAILURE;
       background_settings->SetString(NS_LITERAL_CSTRING(kDesktopOptionGSKey),
                                      options);
       background_settings->SetString(NS_LITERAL_CSTRING(kDesktopImageGSKey),
                                      nsDependentCString(file_uri));
       g_free(file_uri);
       background_settings->SetBoolean(NS_LITERAL_CSTRING(kDesktopDrawBGGSKey),
                                       true);
       return rv;
     }
   }
   // if the file was written successfully, set it as the system wallpaper
   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   if (gconf) {
     gconf->SetString(NS_LITERAL_CSTRING(kDesktopOptionsKey), options);
     // Set the image to an empty string first to force a refresh
     // (since we could be writing a new image on top of an existing
     // Firefox_wallpaper.png and nautilus doesn't monitor the file for changes)
     gconf->SetString(NS_LITERAL_CSTRING(kDesktopImageKey),
                      EmptyCString());
     gconf->SetString(NS_LITERAL_CSTRING(kDesktopImageKey), filePath);
     gconf->SetBool(NS_LITERAL_CSTRING(kDesktopDrawBGKey), true);
   }
   return rv;
 }
 #define COLOR_16_TO_8_BIT(_c) ((_c) >> 8)
 #define COLOR_8_TO_16_BIT(_c) ((_c) << 8 | (_c))
 NS_IMETHODIMP
 nsGNOMEShellService::GetDesktopBackgroundColor(uint32_t *aColor)
 {
   nsCOMPtr<nsIGSettingsService> gsettings =
     do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
   nsCOMPtr<nsIGSettingsCollection> background_settings;
   nsAutoCString background;
   if (gsettings) {
     gsettings->GetCollectionForSchema(
       NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
     if (background_settings) {
       background_settings->GetString(NS_LITERAL_CSTRING(kDesktopColorGSKey),
                                      background);
     }
   }
   if (!background_settings) {
     nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
     if (gconf)
       gconf->GetString(NS_LITERAL_CSTRING(kDesktopColorKey), background);
   }
   if (background.IsEmpty()) {
     *aColor = 0;
     return NS_OK;
   }
   GdkColor color;
   gboolean success = gdk_color_parse(background.get(), &color);
   NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);
   *aColor = COLOR_16_TO_8_BIT(color.red) << 16 |
             COLOR_16_TO_8_BIT(color.green) << 8 |
             COLOR_16_TO_8_BIT(color.blue);
   return NS_OK;
 }
 static void
 ColorToCString(uint32_t aColor, nsCString& aResult)
 {
   // The #rrrrggggbbbb format is used to match gdk_color_to_string()
   char *buf = aResult.BeginWriting(13);
   if (!buf)
     return;
   uint16_t red = COLOR_8_TO_16_BIT((aColor >> 16) & 0xff);
   uint16_t green = COLOR_8_TO_16_BIT((aColor >> 8) & 0xff);
   uint16_t blue = COLOR_8_TO_16_BIT(aColor & 0xff);
   PR_snprintf(buf, 14, "#%04x%04x%04x", red, green, blue);
 }
 NS_IMETHODIMP
 nsGNOMEShellService::SetDesktopBackgroundColor(uint32_t aColor)
 {
   NS_ASSERTION(aColor <= 0xffffff, "aColor has extra bits");
   nsAutoCString colorString;
   ColorToCString(aColor, colorString);
   nsCOMPtr<nsIGSettingsService> gsettings =
     do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
   if (gsettings) {
     nsCOMPtr<nsIGSettingsCollection> background_settings;
     gsettings->GetCollectionForSchema(
       NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
     if (background_settings) {
       background_settings->SetString(NS_LITERAL_CSTRING(kDesktopColorGSKey),
                                      colorString);
       return NS_OK;
     }
   }
   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   if (gconf) {
     gconf->SetString(NS_LITERAL_CSTRING(kDesktopColorKey), colorString);
   }
   return NS_OK;
 }
 NS_IMETHODIMP
 nsGNOMEShellService::OpenApplication(int32_t aApplication)
 {
   nsAutoCString scheme;
   if (aApplication == APPLICATION_MAIL)
     scheme.Assign("mailto");
   else if (aApplication == APPLICATION_NEWS)
     scheme.Assign("news");
   else
     return NS_ERROR_NOT_AVAILABLE;
   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
   if (giovfs) {
     nsCOMPtr<nsIGIOMimeApp> gioApp;
     giovfs->GetAppForURIScheme(scheme, getter_AddRefs(gioApp));
     if (gioApp)
       return gioApp->Launch(EmptyCString());
   }
   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   if (!gconf)
     return NS_ERROR_FAILURE;
   bool enabled;
   nsAutoCString appCommand;
   gconf->GetAppForProtocol(scheme, &enabled, appCommand);
   if (!enabled)
     return NS_ERROR_FAILURE;
   // XXX we don't currently handle launching a terminal window.
   // If the handler requires a terminal, bail.
   bool requiresTerminal;
   gconf->HandlerRequiresTerminal(scheme, &requiresTerminal);
   if (requiresTerminal)
     return NS_ERROR_FAILURE;
   // Perform shell argument expansion
   int argc;
   char **argv;
   if (!g_shell_parse_argv(appCommand.get(), &argc, &argv, nullptr))
     return NS_ERROR_FAILURE;
   char **newArgv = new char*[argc + 1];
   int newArgc = 0;
   // Run through the list of arguments.  Copy all of them to the new
   // argv except for %s, which we skip.
   for (int i = 0; i < argc; ++i) {
     if (strcmp(argv[i], "%s") != 0)
       newArgv[newArgc++] = argv[i];
   }
   newArgv[newArgc] = nullptr;
   gboolean err = g_spawn_async(nullptr, newArgv, nullptr, G_SPAWN_SEARCH_PATH,
                                nullptr, nullptr, nullptr, nullptr);
   g_strfreev(argv);
   delete[] newArgv;
   return err ? NS_OK : NS_ERROR_FAILURE;
 }
 NS_IMETHODIMP
 nsGNOMEShellService::OpenApplicationWithURI(nsIFile* aApplication, const nsACString& aURI)
 {
   nsresult rv;
   nsCOMPtr<nsIProcess> process =
     do_CreateInstance("@mozilla.org/process/util;1", &rv);
   if (NS_FAILED(rv))
     return rv;
   rv = process->Init(aApplication);
   if (NS_FAILED(rv))
     return rv;
   const nsCString spec(aURI);
   const char* specStr = spec.get();
   return process->Run(false, &specStr, 1);
 }
 NS_IMETHODIMP
 nsGNOMEShellService::GetDefaultFeedReader(nsIFile** _retval)
 {
   return NS_ERROR_NOT_IMPLEMENTED;
 }

The Tor Browser / annotate

browser/components/shell/src/nsGNOMEShellService.cpp@6474c204b198 (annotated)

browser/components/shell/src/nsGNOMEShellService.cpp