NS_IMETHODIMP
nsNativeAppSupportUnix::Start(bool *aRetVal)
{
  NS_ASSERTION(gAppData, "gAppData must not be null.");

// The dbus library is used by both nsWifiScannerDBus and BluetoothDBusService,
// from diffrent threads. This could lead to race conditions if the dbus is not
// initialized before making any other library calls.
#ifdef MOZ_ENABLE_DBUS
  dbus_threads_init_default();
#endif

#if (MOZ_WIDGET_GTK == 2)
  if (gtk_major_version < MIN_GTK_MAJOR_VERSION ||
      (gtk_major_version == MIN_GTK_MAJOR_VERSION && gtk_minor_version < MIN_GTK_MINOR_VERSION)) {
    GtkWidget* versionErrDialog = gtk_message_dialog_new(NULL,
                     GtkDialogFlags(GTK_DIALOG_MODAL |
                                    GTK_DIALOG_DESTROY_WITH_PARENT),
                     GTK_MESSAGE_ERROR,
                     GTK_BUTTONS_OK,
                     UNSUPPORTED_GTK_MSG,
                     gtk_major_version,
                     gtk_minor_version,
                     MIN_GTK_MAJOR_VERSION,
                     MIN_GTK_MINOR_VERSION);
    gtk_dialog_run(GTK_DIALOG(versionErrDialog));
    gtk_widget_destroy(versionErrDialog);
    exit(0);
  }
#endif

#if (MOZ_PLATFORM_MAEMO == 5)
  /* zero state out. */
  memset(&m_hw_state, 0, sizeof(osso_hw_state_t));

  /* Initialize maemo application
     
     The initalization name will be of the form "Vendor.Name".
     If a Vendor isn't given, then we will just use "Name".
     
     Note that this value must match your X-Osso-Service name
     defined in your desktop file.  If it doesn't, the OSSO
     system will happily kill your process.
  */
  nsAutoCString applicationName;
  if (gAppData->vendor) {
      applicationName.Append(gAppData->vendor);
      applicationName.Append(".");
  }
  applicationName.Append(gAppData->name);
  ToLowerCase(applicationName);

  m_osso_context = osso_initialize(applicationName.get(), 
                                   gAppData->version ? gAppData->version : "1.0",
                                   true,
                                   nullptr);

  /* Check that initilialization was ok */
  if (m_osso_context == nullptr) {
      return NS_ERROR_FAILURE;
  }

  osso_hw_set_event_cb(m_osso_context, nullptr, OssoHardwareCallback, &m_hw_state);
  osso_hw_set_display_event_cb(m_osso_context, OssoDisplayCallback, m_osso_context);
  osso_rpc_set_default_cb_f(m_osso_context, OssoDbusCallback, nullptr);

  // Setup an MCE callback to monitor orientation
  DBusConnection *connnection = (DBusConnection*)osso_get_sys_dbus_connection(m_osso_context);
  dbus_bus_add_match(connnection, MCE_MATCH_RULE, nullptr);
  dbus_connection_add_filter(connnection, OssoModeControlCallback, nullptr, nullptr);
#endif

  *aRetVal = true;

#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)

  PRLibrary *gnomeuiLib = PR_LoadLibrary("libgnomeui-2.so.0");
  if (!gnomeuiLib)
    return NS_OK;

  PRLibrary *gnomeLib = PR_LoadLibrary("libgnome-2.so.0");
  if (!gnomeLib) {
    PR_UnloadLibrary(gnomeuiLib);
    return NS_OK;
  }

  _gnome_program_init_fn gnome_program_init =
    (_gnome_program_init_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_init");
  _gnome_program_get_fn gnome_program_get =
    (_gnome_program_get_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_get"); 
 _libgnomeui_module_info_get_fn libgnomeui_module_info_get = (_libgnomeui_module_info_get_fn)PR_FindFunctionSymbol(gnomeuiLib, "libgnomeui_module_info_get");
  if (!gnome_program_init || !gnome_program_get || !libgnomeui_module_info_get) {
    PR_UnloadLibrary(gnomeuiLib);
    PR_UnloadLibrary(gnomeLib);
    return NS_OK;
  }

#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */

#ifdef ACCESSIBILITY
  // We will load gail, atk-bridge by ourself later
  // We can't run atk-bridge init here, because gail get the control
  // Set GNOME_ACCESSIBILITY to 0 can avoid this
  static const char *accEnv = "GNOME_ACCESSIBILITY";
  const char *accOldValue = getenv(accEnv);
  setenv(accEnv, "0", 1);
#endif

#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)
  if (!gnome_program_get()) {
    gnome_program_init("Gecko", "1.0", libgnomeui_module_info_get(), gArgc, gArgv, NULL);
  }
#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */

#ifdef ACCESSIBILITY
  if (accOldValue) { 
    setenv(accEnv, accOldValue, 1);
  } else {
    unsetenv(accEnv);
  }
#endif

  // Careful! These libraries cannot be unloaded after this point because
  // gnome_program_init causes atexit handlers to be registered. Strange
  // crashes will occur if these libraries are unloaded.

  // TODO GTK3 - see Bug 694570 - Stop using libgnome and libgnomeui on Linux
#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)
  gnome_client_set_restart_command = (_gnome_client_set_restart_command_fn)
    PR_FindFunctionSymbol(gnomeuiLib, "gnome_client_set_restart_command");

  _gnome_master_client_fn gnome_master_client = (_gnome_master_client_fn)
    PR_FindFunctionSymbol(gnomeuiLib, "gnome_master_client");

  GnomeClient *client = gnome_master_client();
  g_signal_connect(client, "save-yourself", G_CALLBACK(save_yourself_cb), NULL);
  g_signal_connect(client, "die", G_CALLBACK(die_cb), NULL);

  // Set the correct/requested restart command in any case.

  // Is there a request to suppress default binary launcher?
  nsAutoCString path;
  char* argv1 = getenv("MOZ_APP_LAUNCHER");

  if(!argv1) {
    // Tell the desktop the command for restarting us so that we can be part of XSMP session restore
    NS_ASSERTION(gDirServiceProvider, "gDirServiceProvider is NULL! This shouldn't happen!");
    nsCOMPtr<nsIFile> executablePath;
    nsresult rv;

    bool dummy;
    rv = gDirServiceProvider->GetFile(XRE_EXECUTABLE_FILE, &dummy, getter_AddRefs(executablePath));

    if (NS_SUCCEEDED(rv)) {
      // Strip off the -bin suffix to get the shell script we should run; this is what Breakpad does
      nsAutoCString leafName;
      rv = executablePath->GetNativeLeafName(leafName);
      if (NS_SUCCEEDED(rv) && StringEndsWith(leafName, NS_LITERAL_CSTRING("-bin"))) {
        leafName.SetLength(leafName.Length() - strlen("-bin"));
        executablePath->SetNativeLeafName(leafName);
      }

      executablePath->GetNativePath(path);
      argv1 = (char*)(path.get());
    }
  }

  if (argv1) {
    gnome_client_set_restart_command(client, 1, &argv1);
  }
#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */

  return NS_OK;
}
NS_IMETHODIMP
nsNativeAppSupportUnix::Start(bool *aRetVal)
{
  NS_ASSERTION(gAppData, "gAppData must not be null.");

// The dbus library is used by both nsWifiScannerDBus and BluetoothDBusService,
// from diffrent threads. This could lead to race conditions if the dbus is not
// initialized before making any other library calls.
#ifdef MOZ_ENABLE_DBUS
  dbus_threads_init_default();
#endif

#if (MOZ_WIDGET_GTK == 2)
  if (gtk_major_version < MIN_GTK_MAJOR_VERSION ||
      (gtk_major_version == MIN_GTK_MAJOR_VERSION && gtk_minor_version < MIN_GTK_MINOR_VERSION)) {
    GtkWidget* versionErrDialog = gtk_message_dialog_new(NULL,
                     GtkDialogFlags(GTK_DIALOG_MODAL |
                                    GTK_DIALOG_DESTROY_WITH_PARENT),
                     GTK_MESSAGE_ERROR,
                     GTK_BUTTONS_OK,
                     UNSUPPORTED_GTK_MSG,
                     gtk_major_version,
                     gtk_minor_version,
                     MIN_GTK_MAJOR_VERSION,
                     MIN_GTK_MINOR_VERSION);
    gtk_dialog_run(GTK_DIALOG(versionErrDialog));
    gtk_widget_destroy(versionErrDialog);
    exit(0);
  }
#endif

  *aRetVal = true;

#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)

  PRLibrary *gnomeuiLib = PR_LoadLibrary("libgnomeui-2.so.0");
  if (!gnomeuiLib)
    return NS_OK;

  PRLibrary *gnomeLib = PR_LoadLibrary("libgnome-2.so.0");
  if (!gnomeLib) {
    PR_UnloadLibrary(gnomeuiLib);
    return NS_OK;
  }

  _gnome_program_init_fn gnome_program_init =
    (_gnome_program_init_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_init");
  _gnome_program_get_fn gnome_program_get =
    (_gnome_program_get_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_get"); 
 _libgnomeui_module_info_get_fn libgnomeui_module_info_get = (_libgnomeui_module_info_get_fn)PR_FindFunctionSymbol(gnomeuiLib, "libgnomeui_module_info_get");
  if (!gnome_program_init || !gnome_program_get || !libgnomeui_module_info_get) {
    PR_UnloadLibrary(gnomeuiLib);
    PR_UnloadLibrary(gnomeLib);
    return NS_OK;
  }

#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */

#ifdef ACCESSIBILITY
  // We will load gail, atk-bridge by ourself later
  // We can't run atk-bridge init here, because gail get the control
  // Set GNOME_ACCESSIBILITY to 0 can avoid this
  static const char *accEnv = "GNOME_ACCESSIBILITY";
  const char *accOldValue = getenv(accEnv);
  setenv(accEnv, "0", 1);
#endif

#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)
  if (!gnome_program_get()) {
    gnome_program_init("Gecko", "1.0", libgnomeui_module_info_get(), gArgc, gArgv, NULL);
  }
#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */

#ifdef ACCESSIBILITY
  if (accOldValue) { 
    setenv(accEnv, accOldValue, 1);
  } else {
    unsetenv(accEnv);
  }
#endif

  // Careful! These libraries cannot be unloaded after this point because
  // gnome_program_init causes atexit handlers to be registered. Strange
  // crashes will occur if these libraries are unloaded.

  // TODO GTK3 - see Bug 694570 - Stop using libgnome and libgnomeui on Linux
#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)
  gnome_client_set_restart_command = (_gnome_client_set_restart_command_fn)
    PR_FindFunctionSymbol(gnomeuiLib, "gnome_client_set_restart_command");

  _gnome_master_client_fn gnome_master_client = (_gnome_master_client_fn)
    PR_FindFunctionSymbol(gnomeuiLib, "gnome_master_client");

  GnomeClient *client = gnome_master_client();
  g_signal_connect(client, "save-yourself", G_CALLBACK(save_yourself_cb), NULL);
  g_signal_connect(client, "die", G_CALLBACK(die_cb), NULL);

  // Set the correct/requested restart command in any case.

  // Is there a request to suppress default binary launcher?
  nsAutoCString path;
  char* argv1 = getenv("MOZ_APP_LAUNCHER");

  if(!argv1) {
    // Tell the desktop the command for restarting us so that we can be part of XSMP session restore
    NS_ASSERTION(gDirServiceProvider, "gDirServiceProvider is NULL! This shouldn't happen!");
    nsCOMPtr<nsIFile> executablePath;
    nsresult rv;

    bool dummy;
    rv = gDirServiceProvider->GetFile(XRE_EXECUTABLE_FILE, &dummy, getter_AddRefs(executablePath));

    if (NS_SUCCEEDED(rv)) {
      // Strip off the -bin suffix to get the shell script we should run; this is what Breakpad does
      nsAutoCString leafName;
      rv = executablePath->GetNativeLeafName(leafName);
      if (NS_SUCCEEDED(rv) && StringEndsWith(leafName, NS_LITERAL_CSTRING("-bin"))) {
        leafName.SetLength(leafName.Length() - strlen("-bin"));
        executablePath->SetNativeLeafName(leafName);
      }

      executablePath->GetNativePath(path);
      argv1 = (char*)(path.get());
    }
  }

  if (argv1) {
    gnome_client_set_restart_command(client, 1, &argv1);
  }
#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */

  return NS_OK;
}
Пример #3
0
nsresult
nsIconChannel::InitWithGnome(nsIMozIconURI *aIconURI)
{
  nsresult rv;
  
  if (!gnome_program_get()) {
    // Get the brandShortName from the string bundle to pass to GNOME
    // as the application name.  This may be used for things such as
    // the title of grouped windows in the panel.
    nsCOMPtr<nsIStringBundleService> bundleService = 
      do_GetService(NS_STRINGBUNDLE_CONTRACTID);

    NS_ASSERTION(bundleService, "String bundle service must be present!");

    nsCOMPtr<nsIStringBundle> bundle;
    bundleService->CreateBundle("chrome://branding/locale/brand.properties",
                                getter_AddRefs(bundle));
    nsXPIDLString appName;

    if (bundle) {
      bundle->GetStringFromName(NS_LITERAL_STRING("brandShortName").get(),
                                getter_Copies(appName));
    } else {
      NS_WARNING("brand.properties not present, using default application name");
      appName.AssignLiteral("Gecko");
    }

    char* empty[] = { "" };
    gnome_init(NS_ConvertUTF16toUTF8(appName).get(), "1.0", 1, empty);
  }

  nsCAutoString iconSizeString;
  aIconURI->GetIconSize(iconSizeString);

  PRUint32 iconSize;

  if (iconSizeString.IsEmpty()) {
    rv = aIconURI->GetImageSize(&iconSize);
    NS_ASSERTION(NS_SUCCEEDED(rv), "GetImageSize failed");
  } else {
    int size;
    
    GtkIconSize icon_size = moz_gtk_icon_size(iconSizeString.get());
    gtk_icon_size_lookup(icon_size, &size, NULL);
    iconSize = size;
  }

  nsCAutoString type;
  aIconURI->GetContentType(type);

  GnomeVFSFileInfo fileInfo = {0};
  fileInfo.refcount = 1; // In case some GnomeVFS function addrefs and releases it

  nsCAutoString spec;
  nsCOMPtr<nsIURI> fileURI;
  rv = aIconURI->GetIconFile(getter_AddRefs(fileURI));
  if (fileURI) {
    fileURI->GetAsciiSpec(spec);
    // Only ask gnome-vfs for a GnomeVFSFileInfo for file: uris, to avoid a
    // network request
    PRBool isFile;
    if (NS_SUCCEEDED(fileURI->SchemeIs("file", &isFile)) && isFile) {
      gnome_vfs_get_file_info(spec.get(), &fileInfo, GNOME_VFS_FILE_INFO_DEFAULT);
    }
    else {
      // We have to get a leaf name from our uri...
      nsCOMPtr<nsIURL> url(do_QueryInterface(fileURI));
      if (url) {
        nsCAutoString name;
        // The filename we get is UTF-8-compatible, which matches gnome expectations.
        // See also: http://lists.gnome.org/archives/gnome-vfs-list/2004-March/msg00049.html
        // "Whenever we can detect the charset used for the URI type we try to
        //  convert it to/from utf8 automatically inside gnome-vfs."
        // I'll interpret that as "otherwise, this field is random junk".
        url->GetFileName(name);
        fileInfo.name = g_strdup(name.get());
      }
      // If this is no nsIURL, nothing we can do really.

      if (!type.IsEmpty()) {
        fileInfo.valid_fields = GNOME_VFS_FILE_INFO_FIELDS_MIME_TYPE;
        fileInfo.mime_type = g_strdup(type.get());
      }
    }
  }


  if (type.IsEmpty()) {
    nsCOMPtr<nsIMIMEService> ms(do_GetService("@mozilla.org/mime;1"));
    if (ms) {
      nsCAutoString fileExt;
      aIconURI->GetFileExtension(fileExt);
      ms->GetTypeFromExtension(fileExt, type);
    }
  }

  // Get the icon theme
  if (!gIconTheme) {
    gIconTheme = gnome_icon_theme_new();
    if (!gIconTheme) {
      gnome_vfs_file_info_clear(&fileInfo);
      return NS_ERROR_NOT_AVAILABLE;
    }
  }

  char* name = gnome_icon_lookup(gIconTheme, NULL, spec.get(), NULL, &fileInfo,
                                 type.get(), GNOME_ICON_LOOKUP_FLAGS_NONE,
                                 NULL);
  gnome_vfs_file_info_clear(&fileInfo);
  if (!name) {
    return NS_ERROR_NOT_AVAILABLE;
  }
 
  char* file = gnome_icon_theme_lookup_icon(gIconTheme, name, iconSize,
                                            NULL, NULL);
  g_free(name);
  if (!file)
    return NS_ERROR_NOT_AVAILABLE;

  // Create a GdkPixbuf buffer and scale it
  GError *err = nsnull;
  GdkPixbuf* buf = gdk_pixbuf_new_from_file(file, &err);
  g_free(file);
  if (!buf) {
    if (err)
      g_error_free(err);
    return NS_ERROR_UNEXPECTED;
  }

  GdkPixbuf* scaled = buf;
  if (gdk_pixbuf_get_width(buf)  != iconSize &&
      gdk_pixbuf_get_height(buf) != iconSize) {
    // scale...
    scaled = gdk_pixbuf_scale_simple(buf, iconSize, iconSize,
                                     GDK_INTERP_BILINEAR);
    gdk_pixbuf_unref(buf);
    if (!scaled)
      return NS_ERROR_OUT_OF_MEMORY;
  }

  // XXX Respect icon state
  
  rv = moz_gdk_pixbuf_to_channel(scaled, aIconURI,
                                 getter_AddRefs(mRealChannel));
  gdk_pixbuf_unref(scaled);
  return rv;
}