зеркало из https://github.com/mozilla/gecko-dev.git
297 строки
9.0 KiB
C++
297 строки
9.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsNativeAppSupportBase.h"
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#include "nsCOMPtr.h"
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#include "nsXPCOM.h"
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#include "nsISupportsPrimitives.h"
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#include "nsIObserverService.h"
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#include "nsIAppStartup.h"
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#include "nsServiceManagerUtils.h"
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#include "prlink.h"
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#include "nsXREDirProvider.h"
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#include "nsReadableUtils.h"
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#include "nsIFile.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsICommandLineRunner.h"
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#include "nsIWindowMediator.h"
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#include "nsPIDOMWindow.h"
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#include "nsIDocShell.h"
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#include "nsIBaseWindow.h"
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#include "nsIWidget.h"
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#include "nsIWritablePropertyBag2.h"
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#include "nsIPrefService.h"
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#include "mozilla/Services.h"
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#include <stdlib.h>
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#include <glib.h>
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#include <glib-object.h>
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#include <gtk/gtk.h>
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#ifdef MOZ_X11
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#include <gdk/gdkx.h>
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#include <X11/Xatom.h>
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#endif
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#ifdef MOZ_ENABLE_DBUS
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#include <dbus/dbus.h>
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#endif
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#define MIN_GTK_MAJOR_VERSION 2
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#define MIN_GTK_MINOR_VERSION 10
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#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\
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You have GTK+ %d.%d.\nThis application requires GTK+ %d.%d or newer.\n\n\
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Please upgrade your GTK+ library if you wish to use this application."
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typedef struct _GnomeProgram GnomeProgram;
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typedef struct _GnomeModuleInfo GnomeModuleInfo;
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typedef struct _GnomeClient GnomeClient;
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typedef enum {
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GNOME_SAVE_GLOBAL,
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GNOME_SAVE_LOCAL,
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GNOME_SAVE_BOTH
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} GnomeSaveStyle;
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typedef enum {
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GNOME_INTERACT_NONE,
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GNOME_INTERACT_ERRORS,
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GNOME_INTERACT_ANY
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} GnomeInteractStyle;
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typedef enum {
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GNOME_DIALOG_ERROR,
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GNOME_DIALOG_NORMAL
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} GnomeDialogType;
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typedef GnomeProgram * (*_gnome_program_init_fn)(const char *, const char *,
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const GnomeModuleInfo *, int,
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char **, const char *, ...);
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typedef GnomeProgram * (*_gnome_program_get_fn)(void);
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typedef const GnomeModuleInfo * (*_libgnomeui_module_info_get_fn)();
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typedef GnomeClient * (*_gnome_master_client_fn)(void);
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typedef void (*_gnome_client_set_restart_command_fn)(GnomeClient*, gint, gchar*[]);
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static _gnome_client_set_restart_command_fn gnome_client_set_restart_command;
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gboolean save_yourself_cb(GnomeClient *client, gint phase,
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GnomeSaveStyle style, gboolean shutdown,
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GnomeInteractStyle interact, gboolean fast,
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gpointer user_data)
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{
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nsCOMPtr<nsIObserverService> obsServ =
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mozilla::services::GetObserverService();
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nsCOMPtr<nsISupportsPRBool> didSaveSession =
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do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID);
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if (!obsServ || !didSaveSession)
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return TRUE; // OOM
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// Notify observers to save the session state
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didSaveSession->SetData(false);
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obsServ->NotifyObservers(didSaveSession, "session-save", nullptr);
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bool status;
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didSaveSession->GetData(&status);
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// If there was no session saved and the save_yourself request is
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// caused by upcoming shutdown we like to prepare for it
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if (!status && shutdown) {
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nsCOMPtr<nsISupportsPRBool> cancelQuit =
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do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID);
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cancelQuit->SetData(false);
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obsServ->NotifyObservers(cancelQuit, "quit-application-requested", nullptr);
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bool abortQuit;
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cancelQuit->GetData(&abortQuit);
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}
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return TRUE;
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}
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void die_cb(GnomeClient *client, gpointer user_data)
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{
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nsCOMPtr<nsIAppStartup> appService =
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do_GetService("@mozilla.org/toolkit/app-startup;1");
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if (appService)
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appService->Quit(nsIAppStartup::eForceQuit);
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}
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class nsNativeAppSupportUnix : public nsNativeAppSupportBase
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{
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public:
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NS_IMETHOD Start(bool* aRetVal);
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NS_IMETHOD Stop(bool *aResult);
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NS_IMETHOD Enable();
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private:
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};
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NS_IMETHODIMP
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nsNativeAppSupportUnix::Start(bool *aRetVal)
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{
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NS_ASSERTION(gAppData, "gAppData must not be null.");
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// The dbus library is used by both nsWifiScannerDBus and BluetoothDBusService,
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// from diffrent threads. This could lead to race conditions if the dbus is not
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// initialized before making any other library calls.
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#ifdef MOZ_ENABLE_DBUS
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dbus_threads_init_default();
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#endif
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#if (MOZ_WIDGET_GTK == 2)
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if (gtk_major_version < MIN_GTK_MAJOR_VERSION ||
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(gtk_major_version == MIN_GTK_MAJOR_VERSION && gtk_minor_version < MIN_GTK_MINOR_VERSION)) {
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GtkWidget* versionErrDialog = gtk_message_dialog_new(nullptr,
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GtkDialogFlags(GTK_DIALOG_MODAL |
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GTK_DIALOG_DESTROY_WITH_PARENT),
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GTK_MESSAGE_ERROR,
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GTK_BUTTONS_OK,
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UNSUPPORTED_GTK_MSG,
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gtk_major_version,
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gtk_minor_version,
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MIN_GTK_MAJOR_VERSION,
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MIN_GTK_MINOR_VERSION);
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gtk_dialog_run(GTK_DIALOG(versionErrDialog));
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gtk_widget_destroy(versionErrDialog);
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exit(0);
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}
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#endif
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*aRetVal = true;
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#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)
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PRLibrary *gnomeuiLib = PR_LoadLibrary("libgnomeui-2.so.0");
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if (!gnomeuiLib)
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return NS_OK;
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PRLibrary *gnomeLib = PR_LoadLibrary("libgnome-2.so.0");
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if (!gnomeLib) {
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PR_UnloadLibrary(gnomeuiLib);
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return NS_OK;
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}
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_gnome_program_init_fn gnome_program_init =
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(_gnome_program_init_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_init");
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_gnome_program_get_fn gnome_program_get =
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(_gnome_program_get_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_get");
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_libgnomeui_module_info_get_fn libgnomeui_module_info_get = (_libgnomeui_module_info_get_fn)PR_FindFunctionSymbol(gnomeuiLib, "libgnomeui_module_info_get");
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if (!gnome_program_init || !gnome_program_get || !libgnomeui_module_info_get) {
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PR_UnloadLibrary(gnomeuiLib);
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PR_UnloadLibrary(gnomeLib);
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return NS_OK;
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}
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#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */
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#ifdef ACCESSIBILITY
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// We will load gail, atk-bridge by ourself later
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// We can't run atk-bridge init here, because gail get the control
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// Set GNOME_ACCESSIBILITY to 0 can avoid this
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static const char *accEnv = "GNOME_ACCESSIBILITY";
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const char *accOldValue = getenv(accEnv);
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setenv(accEnv, "0", 1);
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#endif
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#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)
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if (!gnome_program_get()) {
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gnome_program_init("Gecko", "1.0", libgnomeui_module_info_get(),
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gArgc, gArgv, nullptr);
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}
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#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */
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#ifdef ACCESSIBILITY
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if (accOldValue) {
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setenv(accEnv, accOldValue, 1);
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} else {
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unsetenv(accEnv);
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}
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#endif
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// Careful! These libraries cannot be unloaded after this point because
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// gnome_program_init causes atexit handlers to be registered. Strange
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// crashes will occur if these libraries are unloaded.
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// TODO GTK3 - see Bug 694570 - Stop using libgnome and libgnomeui on Linux
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#if defined(MOZ_X11) && (MOZ_WIDGET_GTK == 2)
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gnome_client_set_restart_command = (_gnome_client_set_restart_command_fn)
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PR_FindFunctionSymbol(gnomeuiLib, "gnome_client_set_restart_command");
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_gnome_master_client_fn gnome_master_client = (_gnome_master_client_fn)
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PR_FindFunctionSymbol(gnomeuiLib, "gnome_master_client");
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GnomeClient *client = gnome_master_client();
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g_signal_connect(client, "save-yourself", G_CALLBACK(save_yourself_cb), nullptr);
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g_signal_connect(client, "die", G_CALLBACK(die_cb), nullptr);
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// Set the correct/requested restart command in any case.
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// Is there a request to suppress default binary launcher?
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nsAutoCString path;
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char* argv1 = getenv("MOZ_APP_LAUNCHER");
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if(!argv1) {
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// Tell the desktop the command for restarting us so that we can be part of XSMP session restore
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NS_ASSERTION(gDirServiceProvider, "gDirServiceProvider is NULL! This shouldn't happen!");
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nsCOMPtr<nsIFile> executablePath;
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nsresult rv;
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bool dummy;
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rv = gDirServiceProvider->GetFile(XRE_EXECUTABLE_FILE, &dummy, getter_AddRefs(executablePath));
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if (NS_SUCCEEDED(rv)) {
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// Strip off the -bin suffix to get the shell script we should run; this is what Breakpad does
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nsAutoCString leafName;
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rv = executablePath->GetNativeLeafName(leafName);
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if (NS_SUCCEEDED(rv) && StringEndsWith(leafName, NS_LITERAL_CSTRING("-bin"))) {
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leafName.SetLength(leafName.Length() - strlen("-bin"));
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executablePath->SetNativeLeafName(leafName);
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}
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executablePath->GetNativePath(path);
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argv1 = (char*)(path.get());
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}
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}
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if (argv1) {
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gnome_client_set_restart_command(client, 1, &argv1);
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}
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#endif /* MOZ_X11 && (MOZ_WIDGET_GTK == 2) */
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return NS_OK;
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}
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NS_IMETHODIMP
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nsNativeAppSupportUnix::Stop(bool *aResult)
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{
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NS_ENSURE_ARG(aResult);
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*aResult = true;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsNativeAppSupportUnix::Enable()
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{
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return NS_OK;
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}
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nsresult
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NS_CreateNativeAppSupport(nsINativeAppSupport **aResult)
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{
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nsNativeAppSupportBase* native = new nsNativeAppSupportUnix();
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if (!native)
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return NS_ERROR_OUT_OF_MEMORY;
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*aResult = native;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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