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