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.

     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 #include "mozilla/ArrayUtils.h"
     8 #include "nsCOMPtr.h"
     9 #include "nsGNOMEShellService.h"
    10 #include "nsShellService.h"
    11 #include "nsIServiceManager.h"
    12 #include "nsIFile.h"
    13 #include "nsIProperties.h"
    14 #include "nsDirectoryServiceDefs.h"
    15 #include "nsIPrefService.h"
    16 #include "prenv.h"
    17 #include "nsStringAPI.h"
    18 #include "nsIGConfService.h"
    19 #include "nsIGIOService.h"
    20 #include "nsIGSettingsService.h"
    21 #include "nsIStringBundle.h"
    22 #include "nsIOutputStream.h"
    23 #include "nsIProcess.h"
    24 #include "nsNetUtil.h"
    25 #include "nsIDOMHTMLImageElement.h"
    26 #include "nsIImageLoadingContent.h"
    27 #include "imgIRequest.h"
    28 #include "imgIContainer.h"
    29 #include "prprf.h"
    30 #if defined(MOZ_WIDGET_GTK)
    31 #include "nsIImageToPixbuf.h"
    32 #endif
    33 #include "nsXULAppAPI.h"
    35 #include <glib.h>
    36 #include <glib-object.h>
    37 #include <gtk/gtk.h>
    38 #include <gdk/gdk.h>
    39 #include <gdk-pixbuf/gdk-pixbuf.h>
    40 #include <limits.h>
    41 #include <stdlib.h>
    43 using namespace mozilla;
    45 struct ProtocolAssociation
    46 {
    47   const char *name;
    48   bool essential;
    49 };
    51 struct MimeTypeAssociation
    52 {
    53   const char *mimeType;
    54   const char *extensions;
    55 };
    57 static const ProtocolAssociation appProtocols[] = {
    58   { "http",   true     },
    59   { "https",  true     },
    60   { "ftp",    false },
    61   { "chrome", false }
    62 };
    64 static const MimeTypeAssociation appTypes[] = {
    65   { "text/html",             "htm html shtml" },
    66   { "application/xhtml+xml", "xhtml xht"      }
    67 };
    69 // GConf registry key constants
    70 #define DG_BACKGROUND "/desktop/gnome/background"
    72 static const char kDesktopImageKey[] = DG_BACKGROUND "/picture_filename";
    73 static const char kDesktopOptionsKey[] = DG_BACKGROUND "/picture_options";
    74 static const char kDesktopDrawBGKey[] = DG_BACKGROUND "/draw_background";
    75 static const char kDesktopColorKey[] = DG_BACKGROUND "/primary_color";
    77 static const char kDesktopBGSchema[] = "org.gnome.desktop.background";
    78 static const char kDesktopImageGSKey[] = "picture-uri";
    79 static const char kDesktopOptionGSKey[] = "picture-options";
    80 static const char kDesktopDrawBGGSKey[] = "draw-background";
    81 static const char kDesktopColorGSKey[] = "primary-color";
    83 nsresult
    84 nsGNOMEShellService::Init()
    85 {
    86   nsresult rv;
    88   // GConf, GSettings or GIO _must_ be available, or we do not allow
    89   // CreateInstance to succeed.
    91   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
    92   nsCOMPtr<nsIGIOService> giovfs =
    93     do_GetService(NS_GIOSERVICE_CONTRACTID);
    94   nsCOMPtr<nsIGSettingsService> gsettings =
    95     do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
    97   if (!gconf && !giovfs && !gsettings)
    98     return NS_ERROR_NOT_AVAILABLE;
   100   // Check G_BROKEN_FILENAMES.  If it's set, then filenames in glib use
   101   // the locale encoding.  If it's not set, they use UTF-8.
   102   mUseLocaleFilenames = PR_GetEnv("G_BROKEN_FILENAMES") != nullptr;
   104   if (GetAppPathFromLauncher())
   105     return NS_OK;
   107   nsCOMPtr<nsIProperties> dirSvc
   108     (do_GetService("@mozilla.org/file/directory_service;1"));
   109   NS_ENSURE_TRUE(dirSvc, NS_ERROR_NOT_AVAILABLE);
   111   nsCOMPtr<nsIFile> appPath;
   112   rv = dirSvc->Get(XRE_EXECUTABLE_FILE, NS_GET_IID(nsIFile),
   113                    getter_AddRefs(appPath));
   114   NS_ENSURE_SUCCESS(rv, rv);
   116   return appPath->GetNativePath(mAppPath);
   117 }
   119 NS_IMPL_ISUPPORTS(nsGNOMEShellService, nsIShellService)
   121 bool
   122 nsGNOMEShellService::GetAppPathFromLauncher()
   123 {
   124   gchar *tmp;
   126   const char *launcher = PR_GetEnv("MOZ_APP_LAUNCHER");
   127   if (!launcher)
   128     return false;
   130   if (g_path_is_absolute(launcher)) {
   131     mAppPath = launcher;
   132     tmp = g_path_get_basename(launcher);
   133     gchar *fullpath = g_find_program_in_path(tmp);
   134     if (fullpath && mAppPath.Equals(fullpath))
   135       mAppIsInPath = true;
   136     g_free(fullpath);
   137   } else {
   138     tmp = g_find_program_in_path(launcher);
   139     if (!tmp)
   140       return false;
   141     mAppPath = tmp;
   142     mAppIsInPath = true;
   143   }
   145   g_free(tmp);
   146   return true;
   147 }
   149 bool
   150 nsGNOMEShellService::KeyMatchesAppName(const char *aKeyValue) const
   151 {
   153   gchar *commandPath;
   154   if (mUseLocaleFilenames) {
   155     gchar *nativePath = g_filename_from_utf8(aKeyValue, -1,
   156                                              nullptr, nullptr, nullptr);
   157     if (!nativePath) {
   158       NS_ERROR("Error converting path to filesystem encoding");
   159       return false;
   160     }
   162     commandPath = g_find_program_in_path(nativePath);
   163     g_free(nativePath);
   164   } else {
   165     commandPath = g_find_program_in_path(aKeyValue);
   166   }
   168   if (!commandPath)
   169     return false;
   171   bool matches = mAppPath.Equals(commandPath);
   172   g_free(commandPath);
   173   return matches;
   174 }
   176 bool
   177 nsGNOMEShellService::CheckHandlerMatchesAppName(const nsACString &handler) const
   178 {
   179   gint argc;
   180   gchar **argv;
   181   nsAutoCString command(handler);
   183   // The string will be something of the form: [/path/to/]browser "%s"
   184   // We want to remove all of the parameters and get just the binary name.
   186   if (g_shell_parse_argv(command.get(), &argc, &argv, nullptr) && argc > 0) {
   187     command.Assign(argv[0]);
   188     g_strfreev(argv);
   189   }
   191   if (!KeyMatchesAppName(command.get()))
   192     return false; // the handler is set to another app
   194   return true;
   195 }
   197 NS_IMETHODIMP
   198 nsGNOMEShellService::IsDefaultBrowser(bool aStartupCheck,
   199                                       bool aForAllTypes,
   200                                       bool* aIsDefaultBrowser)
   201 {
   202   *aIsDefaultBrowser = false;
   203   if (aStartupCheck)
   204     mCheckedThisSession = true;
   206   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   207   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
   209   bool enabled;
   210   nsAutoCString handler;
   211   nsCOMPtr<nsIGIOMimeApp> gioApp;
   213   for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
   214     if (!appProtocols[i].essential)
   215       continue;
   217     if (gconf) {
   218       handler.Truncate();
   219       gconf->GetAppForProtocol(nsDependentCString(appProtocols[i].name),
   220                                &enabled, handler);
   222       if (!CheckHandlerMatchesAppName(handler) || !enabled)
   223         return NS_OK; // the handler is disabled or set to another app
   224     }
   226     if (giovfs) {
   227       handler.Truncate();
   228       giovfs->GetAppForURIScheme(nsDependentCString(appProtocols[i].name),
   229                                  getter_AddRefs(gioApp));
   230       if (!gioApp)
   231         return NS_OK;
   233       gioApp->GetCommand(handler);
   235       if (!CheckHandlerMatchesAppName(handler))
   236         return NS_OK; // the handler is set to another app
   237     }
   238   }
   240   *aIsDefaultBrowser = true;
   242   return NS_OK;
   243 }
   245 NS_IMETHODIMP
   246 nsGNOMEShellService::SetDefaultBrowser(bool aClaimAllTypes,
   247                                        bool aForAllUsers)
   248 {
   249 #ifdef DEBUG
   250   if (aForAllUsers)
   251     NS_WARNING("Setting the default browser for all users is not yet supported");
   252 #endif
   254   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   255   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
   256   if (gconf) {
   257     nsAutoCString appKeyValue;
   258     if (mAppIsInPath) {
   259       // mAppPath is in the users path, so use only the basename as the launcher
   260       gchar *tmp = g_path_get_basename(mAppPath.get());
   261       appKeyValue = tmp;
   262       g_free(tmp);
   263     } else {
   264       appKeyValue = mAppPath;
   265     }
   267     appKeyValue.AppendLiteral(" %s");
   269     for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
   270       if (appProtocols[i].essential || aClaimAllTypes) {
   271         gconf->SetAppForProtocol(nsDependentCString(appProtocols[i].name),
   272                                  appKeyValue);
   273       }
   274     }
   275   }
   277   if (giovfs) {
   278     nsresult rv;
   279     nsCOMPtr<nsIStringBundleService> bundleService =
   280       do_GetService(NS_STRINGBUNDLE_CONTRACTID, &rv);
   281     NS_ENSURE_SUCCESS(rv, rv);
   283     nsCOMPtr<nsIStringBundle> brandBundle;
   284     rv = bundleService->CreateBundle(BRAND_PROPERTIES, getter_AddRefs(brandBundle));
   285     NS_ENSURE_SUCCESS(rv, rv);
   287     nsString brandShortName;
   288     brandBundle->GetStringFromName(MOZ_UTF16("brandShortName"),
   289                                    getter_Copies(brandShortName));
   291     // use brandShortName as the application id.
   292     NS_ConvertUTF16toUTF8 id(brandShortName);
   293     nsCOMPtr<nsIGIOMimeApp> appInfo;
   294     rv = giovfs->CreateAppFromCommand(mAppPath,
   295                                       id,
   296                                       getter_AddRefs(appInfo));
   297     NS_ENSURE_SUCCESS(rv, rv);
   299     // set handler for the protocols
   300     for (unsigned int i = 0; i < ArrayLength(appProtocols); ++i) {
   301       if (appProtocols[i].essential || aClaimAllTypes) {
   302         appInfo->SetAsDefaultForURIScheme(nsDependentCString(appProtocols[i].name));
   303       }
   304     }
   306     // set handler for .html and xhtml files and MIME types:
   307     if (aClaimAllTypes) {
   308       // Add mime types for html, xhtml extension and set app to just created appinfo.
   309       for (unsigned int i = 0; i < ArrayLength(appTypes); ++i) {
   310         appInfo->SetAsDefaultForMimeType(nsDependentCString(appTypes[i].mimeType));
   311         appInfo->SetAsDefaultForFileExtensions(nsDependentCString(appTypes[i].extensions));
   312       }
   313     }
   314   }
   316   return NS_OK;
   317 }
   319 NS_IMETHODIMP
   320 nsGNOMEShellService::GetShouldCheckDefaultBrowser(bool* aResult)
   321 {
   322   // If we've already checked, the browser has been started and this is a 
   323   // new window open, and we don't want to check again.
   324   if (mCheckedThisSession) {
   325     *aResult = false;
   326     return NS_OK;
   327   }
   329   nsCOMPtr<nsIPrefBranch> prefs;
   330   nsCOMPtr<nsIPrefService> pserve(do_GetService(NS_PREFSERVICE_CONTRACTID));
   331   if (pserve)
   332     pserve->GetBranch("", getter_AddRefs(prefs));
   334   if (prefs)
   335     prefs->GetBoolPref(PREF_CHECKDEFAULTBROWSER, aResult);
   337   return NS_OK;
   338 }
   340 NS_IMETHODIMP
   341 nsGNOMEShellService::SetShouldCheckDefaultBrowser(bool aShouldCheck)
   342 {
   343   nsCOMPtr<nsIPrefBranch> prefs;
   344   nsCOMPtr<nsIPrefService> pserve(do_GetService(NS_PREFSERVICE_CONTRACTID));
   345   if (pserve)
   346     pserve->GetBranch("", getter_AddRefs(prefs));
   348   if (prefs)
   349     prefs->SetBoolPref(PREF_CHECKDEFAULTBROWSER, aShouldCheck);
   351   return NS_OK;
   352 }
   354 NS_IMETHODIMP
   355 nsGNOMEShellService::GetCanSetDesktopBackground(bool* aResult)
   356 {
   357   // setting desktop background is currently only supported
   358   // for Gnome or desktops using the same GSettings and GConf keys
   359   const char* gnomeSession = getenv("GNOME_DESKTOP_SESSION_ID");
   360   if (gnomeSession) {
   361     *aResult = true;
   362   } else {
   363     *aResult = false;
   364   }
   366   return NS_OK;
   367 }
   369 static nsresult
   370 WriteImage(const nsCString& aPath, imgIContainer* aImage)
   371 {
   372 #if !defined(MOZ_WIDGET_GTK)
   373   return NS_ERROR_NOT_AVAILABLE;
   374 #else
   375   nsCOMPtr<nsIImageToPixbuf> imgToPixbuf =
   376     do_GetService("@mozilla.org/widget/image-to-gdk-pixbuf;1");
   377   if (!imgToPixbuf)
   378       return NS_ERROR_NOT_AVAILABLE;
   380   GdkPixbuf* pixbuf = imgToPixbuf->ConvertImageToPixbuf(aImage);
   381   if (!pixbuf)
   382       return NS_ERROR_NOT_AVAILABLE;
   384   gboolean res = gdk_pixbuf_save(pixbuf, aPath.get(), "png", nullptr, nullptr);
   386   g_object_unref(pixbuf);
   387   return res ? NS_OK : NS_ERROR_FAILURE;
   388 #endif
   389 }
   391 NS_IMETHODIMP
   392 nsGNOMEShellService::SetDesktopBackground(nsIDOMElement* aElement, 
   393                                           int32_t aPosition)
   394 {
   395   nsresult rv;
   396   nsCOMPtr<nsIImageLoadingContent> imageContent = do_QueryInterface(aElement, &rv);
   397   if (!imageContent) return rv;
   399   // get the image container
   400   nsCOMPtr<imgIRequest> request;
   401   rv = imageContent->GetRequest(nsIImageLoadingContent::CURRENT_REQUEST,
   402                                 getter_AddRefs(request));
   403   if (!request) return rv;
   404   nsCOMPtr<imgIContainer> container;
   405   rv = request->GetImage(getter_AddRefs(container));
   406   if (!container) return rv;
   408   // Set desktop wallpaper filling style
   409   nsAutoCString options;
   410   if (aPosition == BACKGROUND_TILE)
   411     options.Assign("wallpaper");
   412   else if (aPosition == BACKGROUND_STRETCH)
   413     options.Assign("stretched");
   414   else if (aPosition == BACKGROUND_FILL)
   415     options.Assign("zoom");
   416   else if (aPosition == BACKGROUND_FIT)
   417     options.Assign("scaled");
   418   else
   419     options.Assign("centered");
   421   // Write the background file to the home directory.
   422   nsAutoCString filePath(PR_GetEnv("HOME"));
   424   // get the product brand name from localized strings
   425   nsString brandName;
   426   nsCID bundleCID = NS_STRINGBUNDLESERVICE_CID;
   427   nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(bundleCID));
   428   if (bundleService) {
   429     nsCOMPtr<nsIStringBundle> brandBundle;
   430     rv = bundleService->CreateBundle(BRAND_PROPERTIES,
   431                                      getter_AddRefs(brandBundle));
   432     if (NS_SUCCEEDED(rv) && brandBundle) {
   433       rv = brandBundle->GetStringFromName(MOZ_UTF16("brandShortName"),
   434                                           getter_Copies(brandName));
   435       NS_ENSURE_SUCCESS(rv, rv);
   436     }
   437   }
   439   // build the file name
   440   filePath.Append('/');
   441   filePath.Append(NS_ConvertUTF16toUTF8(brandName));
   442   filePath.Append("_wallpaper.png");
   444   // write the image to a file in the home dir
   445   rv = WriteImage(filePath, container);
   446   NS_ENSURE_SUCCESS(rv, rv);
   448   // Try GSettings first. If we don't have GSettings or the right schema, fall back
   449   // to using GConf instead. Note that if GSettings works ok, the changes get
   450   // mirrored to GConf by the gsettings->gconf bridge in gnome-settings-daemon
   451   nsCOMPtr<nsIGSettingsService> gsettings = 
   452     do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
   453   if (gsettings) {
   454     nsCOMPtr<nsIGSettingsCollection> background_settings;
   455     gsettings->GetCollectionForSchema(
   456       NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
   457     if (background_settings) {
   458       gchar *file_uri = g_filename_to_uri(filePath.get(), nullptr, nullptr);
   459       if (!file_uri)
   460          return NS_ERROR_FAILURE;
   462       background_settings->SetString(NS_LITERAL_CSTRING(kDesktopOptionGSKey),
   463                                      options);
   465       background_settings->SetString(NS_LITERAL_CSTRING(kDesktopImageGSKey),
   466                                      nsDependentCString(file_uri));
   467       g_free(file_uri);
   468       background_settings->SetBoolean(NS_LITERAL_CSTRING(kDesktopDrawBGGSKey),
   469                                       true);
   470       return rv;
   471     }
   472   }
   474   // if the file was written successfully, set it as the system wallpaper
   475   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   477   if (gconf) {
   478     gconf->SetString(NS_LITERAL_CSTRING(kDesktopOptionsKey), options);
   480     // Set the image to an empty string first to force a refresh
   481     // (since we could be writing a new image on top of an existing
   482     // Firefox_wallpaper.png and nautilus doesn't monitor the file for changes)
   483     gconf->SetString(NS_LITERAL_CSTRING(kDesktopImageKey),
   484                      EmptyCString());
   486     gconf->SetString(NS_LITERAL_CSTRING(kDesktopImageKey), filePath);
   487     gconf->SetBool(NS_LITERAL_CSTRING(kDesktopDrawBGKey), true);
   488   }
   490   return rv;
   491 }
   493 #define COLOR_16_TO_8_BIT(_c) ((_c) >> 8)
   494 #define COLOR_8_TO_16_BIT(_c) ((_c) << 8 | (_c))
   496 NS_IMETHODIMP
   497 nsGNOMEShellService::GetDesktopBackgroundColor(uint32_t *aColor)
   498 {
   499   nsCOMPtr<nsIGSettingsService> gsettings = 
   500     do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
   501   nsCOMPtr<nsIGSettingsCollection> background_settings;
   502   nsAutoCString background;
   504   if (gsettings) {
   505     gsettings->GetCollectionForSchema(
   506       NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
   507     if (background_settings) {
   508       background_settings->GetString(NS_LITERAL_CSTRING(kDesktopColorGSKey),
   509                                      background);
   510     }
   511   }
   513   if (!background_settings) {
   514     nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   515     if (gconf)
   516       gconf->GetString(NS_LITERAL_CSTRING(kDesktopColorKey), background);
   517   }
   519   if (background.IsEmpty()) {
   520     *aColor = 0;
   521     return NS_OK;
   522   }
   524   GdkColor color;
   525   gboolean success = gdk_color_parse(background.get(), &color);
   527   NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);
   529   *aColor = COLOR_16_TO_8_BIT(color.red) << 16 |
   530             COLOR_16_TO_8_BIT(color.green) << 8 |
   531             COLOR_16_TO_8_BIT(color.blue);
   532   return NS_OK;
   533 }
   535 static void
   536 ColorToCString(uint32_t aColor, nsCString& aResult)
   537 {
   538   // The #rrrrggggbbbb format is used to match gdk_color_to_string()
   539   char *buf = aResult.BeginWriting(13);
   540   if (!buf)
   541     return;
   543   uint16_t red = COLOR_8_TO_16_BIT((aColor >> 16) & 0xff);
   544   uint16_t green = COLOR_8_TO_16_BIT((aColor >> 8) & 0xff);
   545   uint16_t blue = COLOR_8_TO_16_BIT(aColor & 0xff);
   547   PR_snprintf(buf, 14, "#%04x%04x%04x", red, green, blue);
   548 }
   550 NS_IMETHODIMP
   551 nsGNOMEShellService::SetDesktopBackgroundColor(uint32_t aColor)
   552 {
   553   NS_ASSERTION(aColor <= 0xffffff, "aColor has extra bits");
   554   nsAutoCString colorString;
   555   ColorToCString(aColor, colorString);
   557   nsCOMPtr<nsIGSettingsService> gsettings =
   558     do_GetService(NS_GSETTINGSSERVICE_CONTRACTID);
   559   if (gsettings) {
   560     nsCOMPtr<nsIGSettingsCollection> background_settings;
   561     gsettings->GetCollectionForSchema(
   562       NS_LITERAL_CSTRING(kDesktopBGSchema), getter_AddRefs(background_settings));
   563     if (background_settings) {
   564       background_settings->SetString(NS_LITERAL_CSTRING(kDesktopColorGSKey),
   565                                      colorString);
   566       return NS_OK;
   567     }
   568   }
   570   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   572   if (gconf) {
   573     gconf->SetString(NS_LITERAL_CSTRING(kDesktopColorKey), colorString);
   574   }
   576   return NS_OK;
   577 }
   579 NS_IMETHODIMP
   580 nsGNOMEShellService::OpenApplication(int32_t aApplication)
   581 {
   582   nsAutoCString scheme;
   583   if (aApplication == APPLICATION_MAIL)
   584     scheme.Assign("mailto");
   585   else if (aApplication == APPLICATION_NEWS)
   586     scheme.Assign("news");
   587   else
   588     return NS_ERROR_NOT_AVAILABLE;
   590   nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
   591   if (giovfs) {
   592     nsCOMPtr<nsIGIOMimeApp> gioApp;
   593     giovfs->GetAppForURIScheme(scheme, getter_AddRefs(gioApp));
   594     if (gioApp)
   595       return gioApp->Launch(EmptyCString());
   596   }
   598   nsCOMPtr<nsIGConfService> gconf = do_GetService(NS_GCONFSERVICE_CONTRACTID);
   599   if (!gconf)
   600     return NS_ERROR_FAILURE;
   602   bool enabled;
   603   nsAutoCString appCommand;
   604   gconf->GetAppForProtocol(scheme, &enabled, appCommand);
   606   if (!enabled)
   607     return NS_ERROR_FAILURE;
   609   // XXX we don't currently handle launching a terminal window.
   610   // If the handler requires a terminal, bail.
   611   bool requiresTerminal;
   612   gconf->HandlerRequiresTerminal(scheme, &requiresTerminal);
   613   if (requiresTerminal)
   614     return NS_ERROR_FAILURE;
   616   // Perform shell argument expansion
   617   int argc;
   618   char **argv;
   619   if (!g_shell_parse_argv(appCommand.get(), &argc, &argv, nullptr))
   620     return NS_ERROR_FAILURE;
   622   char **newArgv = new char*[argc + 1];
   623   int newArgc = 0;
   625   // Run through the list of arguments.  Copy all of them to the new
   626   // argv except for %s, which we skip.
   627   for (int i = 0; i < argc; ++i) {
   628     if (strcmp(argv[i], "%s") != 0)
   629       newArgv[newArgc++] = argv[i];
   630   }
   632   newArgv[newArgc] = nullptr;
   634   gboolean err = g_spawn_async(nullptr, newArgv, nullptr, G_SPAWN_SEARCH_PATH,
   635                                nullptr, nullptr, nullptr, nullptr);
   637   g_strfreev(argv);
   638   delete[] newArgv;
   640   return err ? NS_OK : NS_ERROR_FAILURE;
   641 }
   643 NS_IMETHODIMP
   644 nsGNOMEShellService::OpenApplicationWithURI(nsIFile* aApplication, const nsACString& aURI)
   645 {
   646   nsresult rv;
   647   nsCOMPtr<nsIProcess> process = 
   648     do_CreateInstance("@mozilla.org/process/util;1", &rv);
   649   if (NS_FAILED(rv))
   650     return rv;
   652   rv = process->Init(aApplication);
   653   if (NS_FAILED(rv))
   654     return rv;
   656   const nsCString spec(aURI);
   657   const char* specStr = spec.get();
   658   return process->Run(false, &specStr, 1);
   659 }
   661 NS_IMETHODIMP
   662 nsGNOMEShellService::GetDefaultFeedReader(nsIFile** _retval)
   663 {
   664   return NS_ERROR_NOT_IMPLEMENTED;
   665 }

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