LCOV - code coverage report
Current view: directory - toolkit/xre - nsNativeAppSupportUnix.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 84 0 0.0 %
Date: 2012-06-02 Functions: 9 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is Unix Native App Support.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Mozilla Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2007
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   Michael Wu <flamingice@sourmilk.net>    (original author)
      24                 :  *   Michael Ventnor <m.ventnor@gmail.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #include "nsNativeAppSupportBase.h"
      41                 : #include "nsCOMPtr.h"
      42                 : #include "nsXPCOM.h"
      43                 : #include "nsISupportsPrimitives.h"
      44                 : #include "nsIObserverService.h"
      45                 : #include "nsIAppStartup.h"
      46                 : #include "nsServiceManagerUtils.h"
      47                 : #include "prlink.h"
      48                 : #include "nsXREDirProvider.h"
      49                 : #include "nsReadableUtils.h"
      50                 : 
      51                 : #include "nsIFile.h"
      52                 : #include "nsDirectoryServiceDefs.h"
      53                 : #include "nsICommandLineRunner.h"
      54                 : #include "nsIWindowMediator.h"
      55                 : #include "nsPIDOMWindow.h"
      56                 : #include "nsIDocShell.h"
      57                 : #include "nsIBaseWindow.h"
      58                 : #include "nsIWidget.h"
      59                 : #include "nsIWritablePropertyBag2.h"
      60                 : #include "nsIPrefService.h"
      61                 : #include "mozilla/Services.h"
      62                 : 
      63                 : #include <stdlib.h>
      64                 : #include <glib.h>
      65                 : #include <glib-object.h>
      66                 : #include <gtk/gtk.h>
      67                 : 
      68                 : #ifdef MOZ_X11
      69                 : #include <gdk/gdkx.h>
      70                 : #include <X11/Xatom.h>
      71                 : #endif
      72                 : 
      73                 : #if (MOZ_PLATFORM_MAEMO == 5)
      74                 : struct DBusMessage;  /* libosso.h references internals of dbus */
      75                 : 
      76                 : #include <dbus/dbus.h>
      77                 : #include <dbus/dbus-protocol.h>
      78                 : #include <libosso.h>
      79                 : 
      80                 : // These come from <mce/dbus-names.h> (maemo sdk 5+)
      81                 : #define MCE_SERVICE "com.nokia.mce"
      82                 : #define MCE_REQUEST_IF "com.nokia.mce.request"
      83                 : #define MCE_REQUEST_PATH "/com/nokia/mce/request"
      84                 : #define MCE_SIGNAL_IF "com.nokia.mce.signal"
      85                 : #define MCE_DEVICE_ORIENTATION_SIG "sig_device_orientation_ind"
      86                 : #define MCE_MATCH_RULE "type='signal',interface='" MCE_SIGNAL_IF "',member='" MCE_DEVICE_ORIENTATION_SIG "'"
      87                 : #endif
      88                 : 
      89                 : #define MIN_GTK_MAJOR_VERSION 2
      90                 : #define MIN_GTK_MINOR_VERSION 10
      91                 : #define UNSUPPORTED_GTK_MSG "We're sorry, this application requires a version of the GTK+ library that is not installed on your computer.\n\n\
      92                 : You have GTK+ %d.%d.\nThis application requires GTK+ %d.%d or newer.\n\n\
      93                 : Please upgrade your GTK+ library if you wish to use this application."
      94                 : 
      95                 : typedef struct _GnomeProgram GnomeProgram;
      96                 : typedef struct _GnomeModuleInfo GnomeModuleInfo;
      97                 : typedef struct _GnomeClient GnomeClient;
      98                 : 
      99                 : typedef enum {
     100                 :   GNOME_SAVE_GLOBAL,
     101                 :   GNOME_SAVE_LOCAL,
     102                 :   GNOME_SAVE_BOTH
     103                 : } GnomeSaveStyle;
     104                 : 
     105                 : typedef enum {
     106                 :   GNOME_INTERACT_NONE,
     107                 :   GNOME_INTERACT_ERRORS,
     108                 :   GNOME_INTERACT_ANY
     109                 : } GnomeInteractStyle;
     110                 : 
     111                 : typedef enum {
     112                 :   GNOME_DIALOG_ERROR,
     113                 :   GNOME_DIALOG_NORMAL
     114                 : } GnomeDialogType;
     115                 : 
     116                 : typedef GnomeProgram * (*_gnome_program_init_fn)(const char *, const char *,
     117                 :                                                  const GnomeModuleInfo *, int,
     118                 :                                                  char **, const char *, ...);
     119                 : typedef GnomeProgram * (*_gnome_program_get_fn)(void);
     120                 : typedef const GnomeModuleInfo * (*_libgnomeui_module_info_get_fn)();
     121                 : typedef GnomeClient * (*_gnome_master_client_fn)(void);
     122                 : typedef void (*_gnome_client_set_restart_command_fn)(GnomeClient*, gint, gchar*[]);
     123                 : 
     124                 : static _gnome_client_set_restart_command_fn gnome_client_set_restart_command;
     125                 : 
     126               0 : gboolean save_yourself_cb(GnomeClient *client, gint phase,
     127                 :                           GnomeSaveStyle style, gboolean shutdown,
     128                 :                           GnomeInteractStyle interact, gboolean fast,
     129                 :                           gpointer user_data)
     130                 : {
     131                 :   nsCOMPtr<nsIObserverService> obsServ =
     132               0 :     mozilla::services::GetObserverService();
     133                 : 
     134                 :   nsCOMPtr<nsISupportsPRBool> didSaveSession =
     135               0 :     do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID);
     136                 : 
     137               0 :   if (!obsServ || !didSaveSession)
     138               0 :     return TRUE; // OOM
     139                 : 
     140                 :   // Notify observers to save the session state
     141               0 :   didSaveSession->SetData(false);
     142               0 :   obsServ->NotifyObservers(didSaveSession, "session-save", nsnull);
     143                 : 
     144                 :   bool status;
     145               0 :   didSaveSession->GetData(&status);
     146                 : 
     147                 :   // If there was no session saved and the save_yourself request is
     148                 :   // caused by upcoming shutdown we like to prepare for it
     149               0 :   if (!status && shutdown) {
     150                 :     nsCOMPtr<nsISupportsPRBool> cancelQuit =
     151               0 :       do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID);
     152                 : 
     153               0 :     cancelQuit->SetData(false);
     154               0 :     obsServ->NotifyObservers(cancelQuit, "quit-application-requested", nsnull);
     155                 : 
     156                 :     bool abortQuit;
     157               0 :     cancelQuit->GetData(&abortQuit);
     158                 :   }
     159                 : 
     160               0 :   return TRUE;
     161                 : }
     162                 : 
     163               0 : void die_cb(GnomeClient *client, gpointer user_data)
     164                 : {
     165                 :   nsCOMPtr<nsIAppStartup> appService =
     166               0 :     do_GetService("@mozilla.org/toolkit/app-startup;1");
     167                 : 
     168               0 :   if (appService)
     169               0 :     appService->Quit(nsIAppStartup::eForceQuit);
     170               0 : }
     171                 : 
     172                 : class nsNativeAppSupportUnix : public nsNativeAppSupportBase
     173               0 : {
     174                 : public:
     175                 :   NS_IMETHOD Start(bool* aRetVal);
     176                 :   NS_IMETHOD Stop(bool *aResult);
     177                 :   NS_IMETHOD Enable();
     178                 : 
     179                 : private:
     180                 : #if (MOZ_PLATFORM_MAEMO == 5)
     181                 :   osso_context_t *m_osso_context;    
     182                 :   /* A note about why we need to have m_hw_state:
     183                 :      the osso hardware callback does not tell us what changed, just
     184                 :      that something has changed.  We need to keep track of state so
     185                 :      that we can determine what has changed.
     186                 :   */  
     187                 :   osso_hw_state_t m_hw_state;
     188                 : #endif
     189                 : };
     190                 : 
     191                 : #if (MOZ_PLATFORM_MAEMO == 5)
     192                 : static nsresult
     193                 : GetMostRecentWindow(const PRUnichar* aType, nsIDOMWindow** aWindow)
     194                 : {
     195                 :   nsCOMPtr<nsIWindowMediator> wm = do_GetService("@mozilla.org/appshell/window-mediator;1");
     196                 :   if (wm)
     197                 :     return wm->GetMostRecentWindow(aType, aWindow);
     198                 :   return NS_ERROR_FAILURE;
     199                 : }
     200                 : 
     201                 : static GtkWidget*
     202                 : WidgetForDOMWindow(nsISupports *aWindow)
     203                 : {
     204                 :   nsCOMPtr<nsPIDOMWindow> domWindow(do_QueryInterface(aWindow));
     205                 :   if (!domWindow)
     206                 :     return NULL;
     207                 : 
     208                 :   nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(domWindow->GetDocShell());
     209                 :   if (!baseWindow)
     210                 :     return NULL;
     211                 : 
     212                 :   nsCOMPtr<nsIWidget> widget;
     213                 :   baseWindow->GetMainWidget(getter_AddRefs(widget));
     214                 :   if (!widget)
     215                 :     return NULL;
     216                 : 
     217                 :   return (GtkWidget*)(widget->GetNativeData(NS_NATIVE_SHELLWIDGET));
     218                 : }
     219                 : 
     220                 : static void
     221                 : OssoSetWindowOrientation(bool aPortrait)
     222                 : {
     223                 :   // If we locked the screen, ignore any orientation changes
     224                 :   bool lockScreen = false;
     225                 :   nsCOMPtr<nsIPrefBranch> prefs = do_GetService(NS_PREFSERVICE_CONTRACTID);
     226                 :   if (prefs)
     227                 :     prefs->GetBoolPref("toolkit.screen.lock", &lockScreen);
     228                 : 
     229                 :   if (lockScreen)
     230                 :     return;
     231                 : 
     232                 :   // Tell Hildon desktop to force our window to be either portrait or landscape,
     233                 :   // depending on the current rotation
     234                 :   // NOTE: We only update the most recent top-level window so this is only
     235                 :   //       suitable for apps with only one window.
     236                 :   nsCOMPtr<nsIDOMWindow> window;
     237                 :   GetMostRecentWindow(EmptyString().get(), getter_AddRefs(window));
     238                 :   GtkWidget* widget = WidgetForDOMWindow(window);
     239                 :   if (widget && widget->window) {
     240                 :     GdkWindow *gdk = widget->window;
     241                 :     GdkAtom request = gdk_atom_intern("_HILDON_PORTRAIT_MODE_REQUEST", FALSE);
     242                 : 
     243                 :     if (aPortrait) {
     244                 :       gulong portrait_set = 1;
     245                 :       gdk_property_change(gdk, request, gdk_x11_xatom_to_atom(XA_CARDINAL),
     246                 :                           32, GDK_PROP_MODE_REPLACE, (const guchar *) &portrait_set, 1);
     247                 :     }
     248                 :     else {
     249                 :       gdk_property_delete(gdk, request);
     250                 :     }
     251                 :   }
     252                 : 
     253                 :   // Update the system info property
     254                 :   nsCOMPtr<nsIWritablePropertyBag2> info = do_GetService("@mozilla.org/system-info;1");
     255                 :   if (info) {
     256                 :     info->SetPropertyAsAString(NS_LITERAL_STRING("screen-orientation"),
     257                 :                                aPortrait ? NS_LITERAL_STRING("portrait") : NS_LITERAL_STRING("landscape"));
     258                 :   }
     259                 : }
     260                 : 
     261                 : static bool OssoIsScreenOn(osso_context_t* ctx)
     262                 : {
     263                 :   osso_return_t rv;
     264                 :   osso_rpc_t ret;
     265                 :   bool result = false;
     266                 : 
     267                 :   rv = osso_rpc_run_system(ctx, MCE_SERVICE, MCE_REQUEST_PATH, MCE_REQUEST_IF,
     268                 :                            "get_display_status", &ret, DBUS_TYPE_INVALID);
     269                 :   if (rv == OSSO_OK) {
     270                 :       if (strcmp(ret.value.s, "on") == 0)
     271                 :           result = true;
     272                 : 
     273                 :       osso_rpc_free_val(&ret);
     274                 :   }
     275                 :   return result;
     276                 : }
     277                 : 
     278                 : static void OssoRequestAccelerometer(osso_context_t *ctx, bool aEnabled)
     279                 : {
     280                 :   osso_return_t rv;
     281                 :   osso_rpc_t ret;
     282                 : 
     283                 :   rv = osso_rpc_run_system(ctx, 
     284                 :                            MCE_SERVICE,
     285                 :                            MCE_REQUEST_PATH, MCE_REQUEST_IF,
     286                 :                            aEnabled ? "req_accelerometer_enable" : "req_accelerometer_disable",
     287                 :                            aEnabled ? &ret : NULL,
     288                 :                            DBUS_TYPE_INVALID);
     289                 : 
     290                 :   // Orientation might changed while the accelerometer was off, so let's update
     291                 :   // the window's orientation
     292                 :   if (rv == OSSO_OK && aEnabled) {    
     293                 :       OssoSetWindowOrientation(strcmp(ret.value.s, "portrait") == 0);
     294                 :       osso_rpc_free_val(&ret);
     295                 :   }
     296                 : }
     297                 : 
     298                 : static void OssoDisplayCallback(osso_display_state_t state, gpointer data)
     299                 : {
     300                 :   nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
     301                 :   if (!os)
     302                 :       return;
     303                 : 
     304                 :   osso_context_t* context = (osso_context_t*) data;
     305                 : 
     306                 :   if (state == OSSO_DISPLAY_ON) {
     307                 :       os->NotifyObservers(nsnull, "system-display-on", nsnull);
     308                 :       OssoRequestAccelerometer(context, true);
     309                 :   } else {
     310                 :       os->NotifyObservers(nsnull, "system-display-dimmed-or-off", nsnull);
     311                 :       OssoRequestAccelerometer(context, false);
     312                 :   }
     313                 : }
     314                 : 
     315                 : static void OssoHardwareCallback(osso_hw_state_t *state, gpointer data)
     316                 : {
     317                 :   NS_ASSERTION(state, "osso_hw_state_t must not be null.");
     318                 :   NS_ASSERTION(data, "data must not be null.");
     319                 : 
     320                 :   osso_hw_state_t* ourState = (osso_hw_state_t*) data;
     321                 : 
     322                 :   if (state->shutdown_ind) {
     323                 :     nsCOMPtr<nsIAppStartup> appService = do_GetService("@mozilla.org/toolkit/app-startup;1");
     324                 :     if (appService)
     325                 :       appService->Quit(nsIAppStartup::eForceQuit);
     326                 :     return;
     327                 :   }
     328                 : 
     329                 :   if (state->memory_low_ind && !ourState->memory_low_ind) {
     330                 :     nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
     331                 :     if (os)
     332                 :       os->NotifyObservers(nsnull, "memory-pressure", NS_LITERAL_STRING("low-memory").get());
     333                 :   }
     334                 :   
     335                 :   if (state->system_inactivity_ind != ourState->system_inactivity_ind) {
     336                 :       nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
     337                 :       if (!os)
     338                 :         return;
     339                 :  
     340                 :       if (state->system_inactivity_ind)
     341                 :           os->NotifyObservers(nsnull, "system-idle", nsnull);
     342                 :       else
     343                 :           os->NotifyObservers(nsnull, "system-active", nsnull);
     344                 :   }
     345                 : 
     346                 :   memcpy(ourState, state, sizeof(osso_hw_state_t));
     347                 : }
     348                 : 
     349                 : static gint
     350                 : OssoDbusCallback(const gchar *interface, const gchar *method,
     351                 :                  GArray *arguments, gpointer data, osso_rpc_t *retval)
     352                 : {
     353                 :   retval->type = DBUS_TYPE_INVALID;
     354                 : 
     355                 :   // The "top_application" method just wants us to focus the top-most window.
     356                 :   if (!strcmp("top_application", method)) {
     357                 :     nsCOMPtr<nsIDOMWindow> window;
     358                 :     GetMostRecentWindow(NS_LITERAL_STRING("").get(), getter_AddRefs(window));
     359                 :     if (window)
     360                 :       window->Focus();
     361                 : 
     362                 :     return OSSO_OK;
     363                 :   }
     364                 : 
     365                 :   if (!strcmp("quit", method)) {
     366                 :     nsCOMPtr<nsIAppStartup> appService = do_GetService("@mozilla.org/toolkit/app-startup;1");
     367                 :     if (appService)
     368                 :       appService->Quit(nsIAppStartup::eForceQuit);
     369                 : 
     370                 :     return OSSO_OK;
     371                 :   }
     372                 : 
     373                 :   // Other methods can have arguments, which we convert and send to commandline
     374                 :   // handlers.
     375                 :   nsCOMPtr<nsICommandLineRunner> cmdLine
     376                 :     (do_CreateInstance("@mozilla.org/toolkit/command-line;1"));
     377                 : 
     378                 :   nsCOMPtr<nsIFile> workingDir;
     379                 :   NS_GetSpecialDirectory(NS_XPCOM_CURRENT_PROCESS_DIR,
     380                 :                          getter_AddRefs(workingDir));
     381                 : 
     382                 :   char** argv = 0;
     383                 :   int argc = 0;
     384                 : 
     385                 :   // Not all DBus methods pass arguments
     386                 :   if (arguments && arguments->len > 0) {
     387                 :     // Create argument list with a dummy argv[0]
     388                 :     argc = arguments->len + 1;
     389                 :     argv = (char**)calloc(1, argc * sizeof(*argv));
     390                 : 
     391                 :     // Start at 1 to skip the dummy argv[0]
     392                 :     for (int i = 1; i < argc; i++) {
     393                 :       osso_rpc_t* entry = (osso_rpc_t*)&g_array_index(arguments, osso_rpc_t, i - 1);
     394                 :       if (entry->type != DBUS_TYPE_STRING)
     395                 :         continue;
     396                 : 
     397                 :       argv[i] = strdup(entry->value.s);
     398                 :     }
     399                 :   }
     400                 : 
     401                 :   cmdLine->Init(argc, argv, workingDir, nsICommandLine::STATE_REMOTE_AUTO);
     402                 : 
     403                 :   // Cleanup argument list
     404                 :   while (argc) {
     405                 :     free(argv[--argc]);
     406                 :   }
     407                 :   free(argv);
     408                 : 
     409                 :   cmdLine->Run();
     410                 : 
     411                 :   return OSSO_OK;
     412                 : }
     413                 : 
     414                 : static DBusHandlerResult
     415                 : OssoModeControlCallback(DBusConnection *con, DBusMessage *msg, gpointer data)
     416                 : {
     417                 :   if (dbus_message_is_signal(msg, MCE_SIGNAL_IF, MCE_DEVICE_ORIENTATION_SIG)) {
     418                 :     DBusMessageIter iter;
     419                 :     if (dbus_message_iter_init(msg, &iter)) {
     420                 :       const gchar *mode = NULL;
     421                 :       dbus_message_iter_get_basic(&iter, &mode);
     422                 : 
     423                 :       OssoSetWindowOrientation(strcmp(mode, "portrait") == 0);
     424                 :     }
     425                 :   }
     426                 :   return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
     427                 : }
     428                 : 
     429                 : #endif
     430                 : 
     431                 : NS_IMETHODIMP
     432               0 : nsNativeAppSupportUnix::Start(bool *aRetVal)
     433                 : {
     434               0 :   NS_ASSERTION(gAppData, "gAppData must not be null.");
     435                 : 
     436               0 :   if (gtk_major_version < MIN_GTK_MAJOR_VERSION ||
     437                 :       (gtk_major_version == MIN_GTK_MAJOR_VERSION && gtk_minor_version < MIN_GTK_MINOR_VERSION)) {
     438                 :     GtkWidget* versionErrDialog = gtk_message_dialog_new(NULL,
     439                 :                      GtkDialogFlags(GTK_DIALOG_MODAL |
     440                 :                                     GTK_DIALOG_DESTROY_WITH_PARENT),
     441                 :                      GTK_MESSAGE_ERROR,
     442                 :                      GTK_BUTTONS_OK,
     443                 :                      UNSUPPORTED_GTK_MSG,
     444                 :                      gtk_major_version,
     445                 :                      gtk_minor_version,
     446                 :                      MIN_GTK_MAJOR_VERSION,
     447               0 :                      MIN_GTK_MINOR_VERSION);
     448               0 :     gtk_dialog_run(GTK_DIALOG(versionErrDialog));
     449               0 :     gtk_widget_destroy(versionErrDialog);
     450               0 :     exit(0);
     451                 :   }
     452                 : 
     453                 : #if (MOZ_PLATFORM_MAEMO == 5)
     454                 :   /* zero state out. */
     455                 :   memset(&m_hw_state, 0, sizeof(osso_hw_state_t));
     456                 : 
     457                 :   /* Initialize maemo application
     458                 :      
     459                 :      The initalization name will be of the form "Vendor.Name".
     460                 :      If a Vendor isn't given, then we will just use "Name".
     461                 :      
     462                 :      Note that this value must match your X-Osso-Service name
     463                 :      defined in your desktop file.  If it doesn't, the OSSO
     464                 :      system will happily kill your process.
     465                 :   */
     466                 :   nsCAutoString applicationName;
     467                 :   if (gAppData->vendor) {
     468                 :       applicationName.Append(gAppData->vendor);
     469                 :       applicationName.Append(".");
     470                 :   }
     471                 :   applicationName.Append(gAppData->name);
     472                 :   ToLowerCase(applicationName);
     473                 : 
     474                 :   m_osso_context = osso_initialize(applicationName.get(), 
     475                 :                                    gAppData->version ? gAppData->version : "1.0",
     476                 :                                    true,
     477                 :                                    nsnull);
     478                 : 
     479                 :   /* Check that initilialization was ok */
     480                 :   if (m_osso_context == nsnull) {
     481                 :       return NS_ERROR_FAILURE;
     482                 :   }
     483                 : 
     484                 :   osso_hw_set_event_cb(m_osso_context, nsnull, OssoHardwareCallback, &m_hw_state);
     485                 :   osso_hw_set_display_event_cb(m_osso_context, OssoDisplayCallback, m_osso_context);
     486                 :   osso_rpc_set_default_cb_f(m_osso_context, OssoDbusCallback, nsnull);
     487                 : 
     488                 :   // Setup an MCE callback to monitor orientation
     489                 :   DBusConnection *connnection = (DBusConnection*)osso_get_sys_dbus_connection(m_osso_context);
     490                 :   dbus_bus_add_match(connnection, MCE_MATCH_RULE, nsnull);
     491                 :   dbus_connection_add_filter(connnection, OssoModeControlCallback, nsnull, nsnull);
     492                 : #endif
     493                 : 
     494               0 :   *aRetVal = true;
     495                 : 
     496                 : #ifdef MOZ_X11
     497                 : 
     498               0 :   PRLibrary *gnomeuiLib = PR_LoadLibrary("libgnomeui-2.so.0");
     499               0 :   if (!gnomeuiLib)
     500               0 :     return NS_OK;
     501                 : 
     502               0 :   PRLibrary *gnomeLib = PR_LoadLibrary("libgnome-2.so.0");
     503               0 :   if (!gnomeLib) {
     504               0 :     PR_UnloadLibrary(gnomeuiLib);
     505               0 :     return NS_OK;
     506                 :   }
     507                 : 
     508                 :   _gnome_program_init_fn gnome_program_init =
     509               0 :     (_gnome_program_init_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_init");
     510                 :   _gnome_program_get_fn gnome_program_get =
     511               0 :     (_gnome_program_get_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_get"); 
     512               0 :  _libgnomeui_module_info_get_fn libgnomeui_module_info_get = (_libgnomeui_module_info_get_fn)PR_FindFunctionSymbol(gnomeuiLib, "libgnomeui_module_info_get");
     513               0 :   if (!gnome_program_init || !gnome_program_get || !libgnomeui_module_info_get) {
     514               0 :     PR_UnloadLibrary(gnomeuiLib);
     515               0 :     PR_UnloadLibrary(gnomeLib);
     516               0 :     return NS_OK;
     517                 :   }
     518                 : 
     519                 : #endif /* MOZ_X11 */
     520                 : 
     521                 : #ifdef ACCESSIBILITY
     522                 :   // We will load gail, atk-bridge by ourself later
     523                 :   // We can't run atk-bridge init here, because gail get the control
     524                 :   // Set GNOME_ACCESSIBILITY to 0 can avoid this
     525                 :   static const char *accEnv = "GNOME_ACCESSIBILITY";
     526               0 :   const char *accOldValue = getenv(accEnv);
     527               0 :   setenv(accEnv, "0", 1);
     528                 : #endif
     529                 : 
     530                 : #ifdef MOZ_X11
     531               0 :   if (!gnome_program_get()) {
     532               0 :     gnome_program_init("Gecko", "1.0", libgnomeui_module_info_get(), gArgc, gArgv, NULL);
     533                 :   }
     534                 : #endif /* MOZ_X11 */
     535                 : 
     536                 : #ifdef ACCESSIBILITY
     537               0 :   if (accOldValue) { 
     538               0 :     setenv(accEnv, accOldValue, 1);
     539                 :   } else {
     540               0 :     unsetenv(accEnv);
     541                 :   }
     542                 : #endif
     543                 : 
     544                 :   // Careful! These libraries cannot be unloaded after this point because
     545                 :   // gnome_program_init causes atexit handlers to be registered. Strange
     546                 :   // crashes will occur if these libraries are unloaded.
     547                 : 
     548                 : #ifdef MOZ_X11
     549                 :   gnome_client_set_restart_command = (_gnome_client_set_restart_command_fn)
     550               0 :     PR_FindFunctionSymbol(gnomeuiLib, "gnome_client_set_restart_command");
     551                 : 
     552                 :   _gnome_master_client_fn gnome_master_client = (_gnome_master_client_fn)
     553               0 :     PR_FindFunctionSymbol(gnomeuiLib, "gnome_master_client");
     554                 : 
     555               0 :   GnomeClient *client = gnome_master_client();
     556               0 :   g_signal_connect(client, "save-yourself", G_CALLBACK(save_yourself_cb), NULL);
     557               0 :   g_signal_connect(client, "die", G_CALLBACK(die_cb), NULL);
     558                 : 
     559                 :   // Set the correct/requested restart command in any case.
     560                 : 
     561                 :   // Is there a request to suppress default binary launcher?
     562               0 :   nsCAutoString path;
     563               0 :   char* argv1 = getenv("MOZ_APP_LAUNCHER");
     564                 : 
     565               0 :   if(!argv1) {
     566                 :     // Tell the desktop the command for restarting us so that we can be part of XSMP session restore
     567               0 :     NS_ASSERTION(gDirServiceProvider, "gDirServiceProvider is NULL! This shouldn't happen!");
     568               0 :     nsCOMPtr<nsIFile> executablePath;
     569                 :     nsresult rv;
     570                 : 
     571                 :     bool dummy;
     572               0 :     rv = gDirServiceProvider->GetFile(XRE_EXECUTABLE_FILE, &dummy, getter_AddRefs(executablePath));
     573                 : 
     574               0 :     if (NS_SUCCEEDED(rv)) {
     575                 :       // Strip off the -bin suffix to get the shell script we should run; this is what Breakpad does
     576               0 :       nsCAutoString leafName;
     577               0 :       rv = executablePath->GetNativeLeafName(leafName);
     578               0 :       if (NS_SUCCEEDED(rv) && StringEndsWith(leafName, NS_LITERAL_CSTRING("-bin"))) {
     579               0 :         leafName.SetLength(leafName.Length() - strlen("-bin"));
     580               0 :         executablePath->SetNativeLeafName(leafName);
     581                 :       }
     582                 : 
     583               0 :       executablePath->GetNativePath(path);
     584               0 :       argv1 = (char*)(path.get());
     585                 :     }
     586                 :   }
     587                 : 
     588               0 :   if (argv1) {
     589               0 :     gnome_client_set_restart_command(client, 1, &argv1);
     590                 :   }
     591                 : #endif /* MOZ_X11 */
     592                 : 
     593               0 :   return NS_OK;
     594                 : }
     595                 : 
     596                 : NS_IMETHODIMP
     597               0 : nsNativeAppSupportUnix::Stop(bool *aResult)
     598                 : {
     599               0 :   NS_ENSURE_ARG(aResult);
     600               0 :   *aResult = true;
     601                 : 
     602                 : #if (MOZ_PLATFORM_MAEMO == 5)
     603                 :   if (m_osso_context) {
     604                 :     // Disable the accelerometer when closing
     605                 :     OssoRequestAccelerometer(m_osso_context, false);
     606                 : 
     607                 :     // Remove the MCE callback filter
     608                 :     DBusConnection *connnection = (DBusConnection*)osso_get_sys_dbus_connection(m_osso_context);
     609                 :     dbus_connection_remove_filter(connnection, OssoModeControlCallback, nsnull);
     610                 : 
     611                 :     osso_hw_unset_event_cb(m_osso_context, nsnull);
     612                 :     osso_rpc_unset_default_cb_f(m_osso_context, OssoDbusCallback, nsnull);
     613                 :     osso_deinitialize(m_osso_context);
     614                 :     m_osso_context = nsnull;
     615                 :   }
     616                 : #endif
     617               0 :   return NS_OK;
     618                 : }
     619                 : 
     620                 : NS_IMETHODIMP
     621               0 : nsNativeAppSupportUnix::Enable()
     622                 : {
     623                 : #if (MOZ_PLATFORM_MAEMO == 5)
     624                 :   // Enable the accelerometer for orientation support
     625                 :   if (OssoIsScreenOn(m_osso_context))
     626                 :       OssoRequestAccelerometer(m_osso_context, true);
     627                 : #endif
     628               0 :   return NS_OK;
     629                 : }
     630                 : 
     631                 : nsresult
     632               0 : NS_CreateNativeAppSupport(nsINativeAppSupport **aResult)
     633                 : {
     634               0 :   nsNativeAppSupportBase* native = new nsNativeAppSupportUnix();
     635               0 :   if (!native)
     636               0 :     return NS_ERROR_OUT_OF_MEMORY;
     637                 : 
     638               0 :   *aResult = native;
     639               0 :   NS_ADDREF(*aResult);
     640                 : 
     641               0 :   return NS_OK;
     642                 : }

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