The Tor Browser: toolkit/xre/nsNativeAppSupportUnix.cpp@6474c204b198 (annotated)

toolkit/xre/nsNativeAppSupportUnix.cpp@6474c204b198 (annotated)

toolkit/xre/nsNativeAppSupportUnix.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: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* 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 "nsNativeAppSupportBase.h"
 #include "nsCOMPtr.h"
 #include "nsXPCOM.h"
 #include "nsISupportsPrimitives.h"
 #include "nsIObserverService.h"
 #include "nsIAppStartup.h"
 #include "nsServiceManagerUtils.h"
 #include "prlink.h"
 #include "nsXREDirProvider.h"
 #include "nsReadableUtils.h"
 #include "nsIFile.h"
 #include "nsDirectoryServiceDefs.h"
 #include "nsICommandLineRunner.h"
 #include "nsIWindowMediator.h"
 #include "nsPIDOMWindow.h"
 #include "nsIDocShell.h"
 #include "nsIBaseWindow.h"
 #include "nsIWidget.h"
 #include "nsIWritablePropertyBag2.h"
 #include "nsIPrefService.h"
 #include "mozilla/Services.h"
 #include <stdlib.h>
 #include <glib.h>
 #include <glib-object.h>
 #include <gtk/gtk.h>
 #ifdef MOZ_X11
 #include <gdk/gdkx.h>
 #include <X11/Xatom.h>
 #endif
 #ifdef MOZ_ENABLE_DBUS
 #include <dbus/dbus.h>
 #endif
 #define MIN_GTK_MAJOR_VERSION 2
 #define MIN_GTK_MINOR_VERSION 10
 #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\
 You have GTK+ %d.%d.\nThis application requires GTK+ %d.%d or newer.\n\n\
 Please upgrade your GTK+ library if you wish to use this application."
 typedef struct _GnomeProgram GnomeProgram;
 typedef struct _GnomeModuleInfo GnomeModuleInfo;
 typedef struct _GnomeClient GnomeClient;
 typedef enum {
   GNOME_SAVE_GLOBAL,
   GNOME_SAVE_LOCAL,
   GNOME_SAVE_BOTH
 } GnomeSaveStyle;
 typedef enum {
   GNOME_INTERACT_NONE,
   GNOME_INTERACT_ERRORS,
   GNOME_INTERACT_ANY
 } GnomeInteractStyle;
 typedef enum {
   GNOME_DIALOG_ERROR,
   GNOME_DIALOG_NORMAL
 } GnomeDialogType;
 typedef GnomeProgram * (*_gnome_program_init_fn)(const char *, const char *,
                                                  const GnomeModuleInfo *, int,
                                                  char **, const char *, ...);
 typedef GnomeProgram * (*_gnome_program_get_fn)(void);
 typedef const GnomeModuleInfo * (*_libgnomeui_module_info_get_fn)();
 typedef GnomeClient * (*_gnome_master_client_fn)(void);
 typedef void (*_gnome_client_set_restart_command_fn)(GnomeClient*, gint, gchar*[]);
 static _gnome_client_set_restart_command_fn gnome_client_set_restart_command;
 gboolean save_yourself_cb(GnomeClient *client, gint phase,
                           GnomeSaveStyle style, gboolean shutdown,
                           GnomeInteractStyle interact, gboolean fast,
                           gpointer user_data)
 {
   nsCOMPtr<nsIObserverService> obsServ =
     mozilla::services::GetObserverService();
   nsCOMPtr<nsISupportsPRBool> didSaveSession =
     do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID);
   if (!obsServ || !didSaveSession)
     return TRUE; // OOM
   // Notify observers to save the session state
   didSaveSession->SetData(false);
   obsServ->NotifyObservers(didSaveSession, "session-save", nullptr);
   bool status;
   didSaveSession->GetData(&status);
   // If there was no session saved and the save_yourself request is
   // caused by upcoming shutdown we like to prepare for it
   if (!status && shutdown) {
     nsCOMPtr<nsISupportsPRBool> cancelQuit =
       do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID);
     cancelQuit->SetData(false);
     obsServ->NotifyObservers(cancelQuit, "quit-application-requested", nullptr);
     bool abortQuit;
     cancelQuit->GetData(&abortQuit);
   }
   return TRUE;
 }
 void die_cb(GnomeClient *client, gpointer user_data)
 {
   nsCOMPtr<nsIAppStartup> appService =
     do_GetService("@mozilla.org/toolkit/app-startup;1");
   if (appService)
     appService->Quit(nsIAppStartup::eForceQuit);
 }
 class nsNativeAppSupportUnix : public nsNativeAppSupportBase
 {
 public:
   NS_IMETHOD Start(bool* aRetVal);
   NS_IMETHOD Stop(bool *aResult);
   NS_IMETHOD Enable();
 private:
 };
 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(nullptr,
                      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, nullptr);
   }
 #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), nullptr);
   g_signal_connect(client, "die", G_CALLBACK(die_cb), nullptr);
   // 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::Stop(bool *aResult)
 {
   NS_ENSURE_ARG(aResult);
   *aResult = true;
   return NS_OK;
 }
 NS_IMETHODIMP
 nsNativeAppSupportUnix::Enable()
 {
   return NS_OK;
 }
 nsresult
 NS_CreateNativeAppSupport(nsINativeAppSupport **aResult)
 {
   nsNativeAppSupportBase* native = new nsNativeAppSupportUnix();
   if (!native)
     return NS_ERROR_OUT_OF_MEMORY;
   *aResult = native;
   NS_ADDREF(*aResult);
   return NS_OK;
 }

The Tor Browser / annotate

toolkit/xre/nsNativeAppSupportUnix.cpp@6474c204b198 (annotated)

toolkit/xre/nsNativeAppSupportUnix.cpp