gecko-dev/xpfe/bootstrap/nsAppRunner.cpp

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or 
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */


#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
#include "nsIGenericFactory.h"

#include "nsIURI.h"
#include "nsNetUtil.h"
#include "nsIPref.h"
#include "nsILocaleService.h"
#include "plevent.h"
#include "prmem.h"
#include "prnetdb.h"

#include "nsCOMPtr.h"
#include "nsIAppShell.h"
#include "nsICmdLineService.h"
#include "nsIAppShellService.h"
#include "nsIAppStartupNotifier.h"
#include "nsIObserverService.h"
#include "nsIPlatformCharset.h"
#include "nsICharsetConverterManager.h"
#include "nsAppShellCIDs.h"
#include "prprf.h"
#include "nsCRT.h"
#include "nsIDirectoryService.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsSpecialSystemDirectory.h"
#include "nsIWindowMediator.h"
#include "nsIDOMWindowInternal.h"
#include "nsIClipboard.h"
#include "nsISupportsPrimitives.h"
#include "nsICmdLineHandler.h"
#include "nsICategoryManager.h"
#include "nsXPIDLString.h"
#include "nsIXULWindow.h"
#include "nsIChromeRegistry.h"
#include "nsIContentHandler.h"
#include "nsIEventQueueService.h"
#include "nsDirectoryServiceDefs.h"
#include "nsIHttpProtocolHandler.h"
#include "nsBuildID.h"
#include "nsWindowCreator.h"
#include "nsIWindowWatcher.h"
#include "nsProcess.h"

#include "InstallCleanupDefines.h"
#include "nsISoftwareUpdate.h"

// Interfaces Needed
#include "nsIXULWindow.h"
#include "nsIWebBrowserChrome.h"
#include "nsIDocShell.h"

// for X remote support
#ifdef MOZ_ENABLE_XREMOTE
#include "nsXRemoteClientCID.h"
#include "nsIXRemoteClient.h"
#include "nsIXRemoteService.h"
#endif

// see DoOnShutdown()
#include "nsIProfile.h"

#ifdef NS_TRACE_MALLOC
#include "nsTraceMalloc.h"
#endif

#if defined(DEBUG) && defined(XP_WIN32)
#include <malloc.h>
#endif

#include "nsITimelineService.h"

#if defined(DEBUG_pra)
#define DEBUG_CMD_LINE
#endif

static NS_DEFINE_CID(kWindowMediatorCID, NS_WINDOWMEDIATOR_CID);
static NS_DEFINE_CID(kIProcessCID, NS_PROCESS_CID);

#define UILOCALE_CMD_LINE_ARG "-UILocale"
#define CONTENTLOCALE_CMD_LINE_ARG "-contentLocale"

extern "C" void ShowOSAlert(const char* aMessage);

#define HELP_SPACER_1   "\t"
#define HELP_SPACER_2   "\t\t"
#define HELP_SPACER_4   "\t\t\t\t"

#ifdef DEBUG
#include "prlog.h"
#endif

#ifdef MOZ_JPROF
#include "jprof.h"
#endif

// on x86 linux, the current builds of some popular plugins (notably
// flashplayer and real) expect a few builtin symbols from libgcc
// which were available in some older versions of gcc.  However,
// they're _NOT_ available in newer versions of gcc (eg 3.1), so if
// we want those plugin to work with a gcc-3.1 built binary, we need
// to provide these symbols.  MOZ_ENABLE_OLD_ABI_COMPAT_WRAPPERS defaults
// to true on x86 linux, and false everywhere else.
//
// The fact that the new and free operators are mismatched 
// mirrors the way the original functions in egcs 1.1.2 worked.

#ifdef MOZ_ENABLE_OLD_ABI_COMPAT_WRAPPERS

extern "C" {

# ifndef HAVE___BUILTIN_VEC_NEW
  void *__builtin_vec_new(size_t aSize, const std::nothrow_t &aNoThrow) throw()
  {
    return ::operator new(aSize, aNoThrow);
  }
# endif

# ifndef HAVE___BUILTIN_VEC_DELETE
  void __builtin_vec_delete(void *aPtr, const std::nothrow_t &) throw ()
  {
    if (aPtr) {
      free(aPtr);
    }
  }
# endif

# ifndef HAVE___BUILTIN_NEW
	void *__builtin_new(int aSize)
  {
    return malloc(aSize);
  }
# endif

# ifndef HAVE___BUILTIN_DELETE
	void __builtin_delete(void *aPtr)
  {
    free(aPtr);
  }
# endif

# ifndef HAVE___PURE_VIRTUAL
  void __pure_virtual(void) {
    extern void __cxa_pure_virtual(void);

    __cxa_pure_virtual();
  }
# endif
}
#endif

#ifdef _BUILD_STATIC_BIN
#include "nsStaticComponent.h"
nsresult PR_CALLBACK
app_getModuleInfo(nsStaticModuleInfo **info, PRUint32 *count);
#endif

#if defined(XP_UNIX) || defined(XP_BEOS)
  extern void InstallUnixSignalHandlers(const char *ProgramName);
#endif

#if defined(XP_OS2)
/* Adding globals that OS/2 doesn't have so we can port the DDE code */
char **__argv;
int   __argc;
#endif /* XP_OS2 */

#if defined(XP_BEOS)

#include <AppKit.h>
#include <AppFileInfo.h>

class nsBeOSApp : public BApplication
{
public:
  nsBeOSApp(sem_id sem)
  : BApplication(GetAppSig()), init(sem)
  {
  }

  void ReadyToRun(void)
  {
    release_sem(init);
  }

  static int32 Main(void *args)
  {
    nsBeOSApp *app = new nsBeOSApp((sem_id)args);
    if (NULL == app)
      return B_ERROR;
    return app->Run();
  }

private:
  char *GetAppSig(void)
  {
    app_info appInfo;
    BFile file;
    BAppFileInfo appFileInfo;
    image_info info;
    int32 cookie = 0;
    static char sig[B_MIME_TYPE_LENGTH];

    sig[0] = 0;
    if (get_next_image_info(0, &cookie, &info) != B_OK ||
        file.SetTo(info.name, B_READ_ONLY) != B_OK ||
        appFileInfo.SetTo(&file) != B_OK ||
        appFileInfo.GetSignature(sig) != B_OK)
    {
      return "application/x-vnd.Mozilla";
    }
    return sig;
  }

  sem_id init;
};

static nsresult InitializeBeOSApp(void)
{
  nsresult rv = NS_OK;

  sem_id initsem = create_sem(0, "beapp init");
  if (initsem < B_OK)
    return NS_ERROR_FAILURE;

  thread_id tid = spawn_thread(nsBeOSApp::Main, "BApplication", B_NORMAL_PRIORITY, (void *)initsem);
  if (tid < B_OK || B_OK != resume_thread(tid))
    rv = NS_ERROR_FAILURE;

  if (B_OK != acquire_sem(initsem))
    rv = NS_ERROR_FAILURE;
  if (B_OK != delete_sem(initsem))
    rv = NS_ERROR_FAILURE;

  return rv;
}

#endif // XP_BEOS

#if defined(XP_MAC)

#include "macstdlibextras.h"
#include <TextServices.h>

// Set up the toolbox and (if DEBUG) the console.  Do this in a static initializer,
// to make it as unlikely as possible that somebody calls printf() before we get initialized.
static struct MacInitializer { MacInitializer() { InitializeMacToolbox(); } } gInitializer;

// Initialize profile services for both standalone and regular profiles
static nsresult InitializeProfileService(nsICmdLineService *cmdLineArgs);

// Install global locale if possible
static nsresult InstallGlobalLocale(nsICmdLineService *cmdLineArgs);
static nsresult getUILangCountry(nsAString& aUILang, nsAString& aCountry);

class stTSMCloser
{
public:
	stTSMCloser()
  {
    // TSM is initialized in InitializeMacToolbox
  };

	~stTSMCloser()
	{
#if !TARGET_CARBON
		(void)CloseTSMAwareApplication();
#endif
	}
};
#endif // XP_MAC

#if defined(XP_MACOSX)

static void InitializeMacOSXApp(int argc, char* argv[])
{
  // use the location of the executable to learn where everything is, this
  // is because the current working directory is ill-defined when the
  // application is double-clicked from the Finder.
  char* path = strdup(argv[0]);
  char* lastSlash = strrchr(path, '/');
  if (lastSlash) {
    *lastSlash = '\0';
    setenv("MOZILLA_FIVE_HOME", path, 1);
  }
  free(path);
}

#endif /* XP_MACOSX */

#ifdef MOZ_WIDGET_GTK
#include <gtk/gtk.h>
#endif //MOZ_WIDGET_GTK

/* Define Class IDs */
static NS_DEFINE_CID(kAppShellServiceCID,   NS_APPSHELL_SERVICE_CID);
static NS_DEFINE_CID(kCmdLineServiceCID,    NS_COMMANDLINE_SERVICE_CID);

#include "nsNativeAppSupport.h"

/*********************************************/
// Default implemenations for nativeAppSupport
// If your platform implements these functions if def out this code.
#if !defined (XP_MAC) && !defined(MOZ_WIDGET_COCOA) && !defined(MOZ_WIDGET_PHOTON) && !defined( XP_PC ) && !defined( XP_BEOS ) && !defined(MOZ_WIDGET_GTK)

nsresult NS_CreateSplashScreen( nsISplashScreen **aResult )
{
    nsresult rv = NS_OK;
    if ( aResult ) {
        *aResult = 0;
    } else {
        rv = NS_ERROR_NULL_POINTER;
    }
    return rv;
}

PRBool NS_CanRun()
{
	return PR_TRUE;
}
#endif

/*********************************************/
// Default implementation for new and improved
// native app support.  If your platform
// implements nsINativeAppSupport then implement
// this function and if def out this code.
//
// Note: For now, the default imiplementation returns 0 and
//       the code that calls this will defalt to use the old
//       nsISplashScreen interface directly.  At some point
//       this function will return an instance of
//       nsNativeAppSupportBase which will use the older
//       "splash screen" interface.  The code below will
//       then rely on nsINativeAppSupport and its use of
//       nsISplashScreen will be removed.
//
#if !defined( XP_PC ) && !defined(MOZ_WIDGET_GTK)

nsresult NS_CreateNativeAppSupport( nsINativeAppSupport **aResult )
{
    nsresult rv = NS_OK;
    if ( aResult ) {
        *aResult = 0;
    } else {
        rv = NS_ERROR_NULL_POINTER;
    }
    return rv;
}

#endif

static nsresult GetNativeAppSupport(nsINativeAppSupport** aNativeApp)
{
    NS_ENSURE_ARG_POINTER(aNativeApp);
    *aNativeApp = nsnull;

    nsCOMPtr<nsIAppShellService> appShellService(do_GetService(kAppShellServiceCID));
    if (appShellService)
        appShellService->GetNativeAppSupport(aNativeApp);

    return *aNativeApp ? NS_OK : NS_ERROR_FAILURE;
}


/*
 * This routine translates the nsresult into a platform specific return
 * code for the application...
 */
static int TranslateReturnValue(nsresult aResult)
{
  if (NS_SUCCEEDED(aResult)) {
    return 0;
  }
  return 1;
}

#ifdef XP_MAC
#include "nsCommandLineServiceMac.h"
#endif

static void
PrintUsage(void)
{
  fprintf(stderr, "Usage: apprunner <url>\n");
  fprintf(stderr, "\t<url>:  a fully defined url string like http:// etc..\n");
}

static nsresult OpenWindow(const nsAFlatCString& aChromeURL,
                           const nsAFlatString& aAppArgs,
                           PRInt32 aWidth, PRInt32 aHeight);

static nsresult OpenWindow(const nsAFlatCString& aChromeURL,
                           const nsAFlatString& aAppArgs)
{
  return OpenWindow(aChromeURL, aAppArgs,
                    nsIAppShellService::SIZE_TO_CONTENT,
                    nsIAppShellService::SIZE_TO_CONTENT);
}

static nsresult OpenWindow(const nsAFlatCString& aChromeURL,
                           PRInt32 aWidth, PRInt32 aHeight)
{
  return OpenWindow(aChromeURL, NS_LITERAL_STRING(""), aWidth, aHeight);
}

static nsresult OpenWindow(const nsAFlatCString& aChromeURL,
                           const nsAFlatString& aAppArgs,
                           PRInt32 aWidth, PRInt32 aHeight)
{

#ifdef DEBUG_CMD_LINE
  printf("OpenWindow(%s, %s, %d, %d)\n", aChromeURL.get(),
                                         NS_ConvertUCS2toUTF8(aAppArgs).get(),
                                         aWidth, aHeight);
#endif /* DEBUG_CMD_LINE */

  nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
  nsCOMPtr<nsISupportsString> sarg(do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID));
  if (!wwatch || !sarg)
    return NS_ERROR_FAILURE;

  // Make sure a profile is selected.

  // We need the native app support object, which we get from
  // the app shell service.  If this fails, we still proceed.
  // That's because some platforms don't have a native app
  // support implementation.  On those platforms, "ensuring a
  // profile" is moot (because they don't support "-turbo",
  // basically).  Specifically, because they don't do turbo, they will
  // *always* have a profile selected.
  nsCOMPtr<nsIAppShellService> appShell(do_GetService("@mozilla.org/appshell/appShellService;1"));
  nsCOMPtr <nsICmdLineService> cmdLine(do_GetService("@mozilla.org/appshell/commandLineService;1"));
  if (appShell && cmdLine)
  {
    nsCOMPtr<nsINativeAppSupport> nativeApp;
    if (NS_SUCCEEDED(appShell->GetNativeAppSupport(getter_AddRefs(nativeApp))))
    {
      // Make sure profile has been selected.
      // At this point, we have to look for failure.  That
      // handles the case where the user chooses "Exit" on
      // the profile manager window.
      if (NS_FAILED(nativeApp->EnsureProfile(cmdLine)))
        return NS_ERROR_NOT_INITIALIZED;
    }
  }

  sarg->SetData(aAppArgs.get());

  nsCAutoString features("chrome,dialog=no,all");
  if (aHeight != nsIAppShellService::SIZE_TO_CONTENT) {
    features.Append(",height=");
    features.AppendInt(aHeight);
  }
  if (aWidth != nsIAppShellService::SIZE_TO_CONTENT) {
    features.Append(",width=");
    features.AppendInt(aWidth);
  }

#ifdef DEBUG_CMD_LINE
  printf("features: %s...\n", features.get());
#endif /* DEBUG_CMD_LINE */

  nsCOMPtr<nsIDOMWindow> newWindow;
  return wwatch->OpenWindow(0, aChromeURL.get(), "_blank",
                            features.get(), sarg,
                            getter_AddRefs(newWindow));
}

static void DumpArbitraryHelp()
{
  nsresult rv;
  nsCOMPtr<nsICategoryManager> catman(do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv));
  if(NS_SUCCEEDED(rv) && catman) {
    nsCOMPtr<nsISimpleEnumerator> e;
    rv = catman->EnumerateCategory(COMMAND_LINE_ARGUMENT_HANDLERS, getter_AddRefs(e));
    if(NS_SUCCEEDED(rv) && e) {
      while (PR_TRUE) {
        nsCOMPtr<nsISupportsCString> catEntry;
        rv = e->GetNext(getter_AddRefs(catEntry));
        if (NS_FAILED(rv) || !catEntry) break;

        nsXPIDLCString entryString;
        rv = catEntry->GetData(getter_Copies(entryString));
        if (NS_FAILED(rv) || !((const char *)entryString)) break;

        nsXPIDLCString contractidString;
        rv = catman->GetCategoryEntry(COMMAND_LINE_ARGUMENT_HANDLERS,(const char *)entryString, getter_Copies(contractidString));
        if (NS_FAILED(rv) || !((const char *)contractidString)) break;

#ifdef DEBUG_CMD_LINE
        printf("cmd line handler contractid = %s\n", (const char *)contractidString);
#endif /* DEBUG_CMD_LINE */

        nsCOMPtr <nsICmdLineHandler> handler(do_GetService((const char *)contractidString, &rv));

        if (handler) {
          nsXPIDLCString commandLineArg;
          rv = handler->GetCommandLineArgument(getter_Copies(commandLineArg));
          if (NS_FAILED(rv)) continue;

          nsXPIDLCString helpText;
          rv = handler->GetHelpText(getter_Copies(helpText));
          if (NS_FAILED(rv)) continue;

          if ((const char *)commandLineArg) {
            printf("%s%s", HELP_SPACER_1,(const char *)commandLineArg);

            PRBool handlesArgs = PR_FALSE;
            rv = handler->GetHandlesArgs(&handlesArgs);
            if (NS_SUCCEEDED(rv) && handlesArgs) {
              printf(" <url>");
            }
            if ((const char *)helpText) {
              printf("%s%s\n",HELP_SPACER_2,(const char *)helpText);
            }
          }
        }

      }
    }
  }
  return;
}

static
nsresult LaunchApplication(const char *aParam, PRInt32 height, PRInt32 width, PRBool *windowOpened)
{
  nsresult rv = NS_OK;

  nsCOMPtr <nsICmdLineService> cmdLine =
    do_GetService("@mozilla.org/appshell/commandLineService;1", &rv);
  if (NS_FAILED(rv)) return rv;

  nsCOMPtr <nsICmdLineHandler> handler;
  rv = cmdLine->GetHandlerForParam(aParam, getter_AddRefs(handler));
  if (NS_FAILED(rv)) return rv;

  nsXPIDLCString chromeUrlForTask;
  rv = handler->GetChromeUrlForTask(getter_Copies(chromeUrlForTask));
  if (NS_FAILED(rv)) return rv;

  PRBool handlesArgs = PR_FALSE;
  rv = handler->GetHandlesArgs(&handlesArgs);
  if (handlesArgs) {
    nsXPIDLString defaultArgs;
    rv = handler->GetDefaultArgs(getter_Copies(defaultArgs));
    if (NS_FAILED(rv)) return rv;
    rv = OpenWindow(chromeUrlForTask, defaultArgs);
  }
  else {
    rv = OpenWindow(chromeUrlForTask, width, height);
  }
  
  // If we get here without an error, then a window was opened OK.
  if (NS_SUCCEEDED(rv)) {
    *windowOpened = PR_TRUE;
  }

  return rv;
}

static nsresult
LaunchApplicationWithArgs(const char *commandLineArg,
                          nsICmdLineService *cmdLineArgs,
                          const char *aParam,
                          PRInt32 height, PRInt32 width, PRBool *windowOpened)
{
  NS_ENSURE_ARG(commandLineArg);
  NS_ENSURE_ARG(cmdLineArgs);
  NS_ENSURE_ARG(aParam);
  NS_ENSURE_ARG(windowOpened);

  nsresult rv;

  nsCOMPtr<nsICmdLineService> cmdLine =
    do_GetService("@mozilla.org/appshell/commandLineService;1",&rv);
  if (NS_FAILED(rv)) return rv;

  nsCOMPtr <nsICmdLineHandler> handler;
  rv = cmdLine->GetHandlerForParam(aParam, getter_AddRefs(handler));
  if (NS_FAILED(rv)) return rv;

  if (!handler) return NS_ERROR_FAILURE;

  nsXPIDLCString chromeUrlForTask;
  rv = handler->GetChromeUrlForTask(getter_Copies(chromeUrlForTask));
  if (NS_FAILED(rv)) return rv;

#ifdef DEBUG_CMD_LINE
  printf("XXX got this one:\t%s\n\t%s\n\n",commandLineArg,(const char *)chromeUrlForTask);
#endif /* DEBUG_CMD_LINE */

  nsXPIDLCString cmdResult;
  rv = cmdLineArgs->GetCmdLineValue(commandLineArg, getter_Copies(cmdResult));
  if (NS_FAILED(rv)) return rv;
#ifdef DEBUG_CMD_LINE
  printf("%s, cmdResult = %s\n",commandLineArg,(const char *)cmdResult);
#endif /* DEBUG_CMD_LINE */

  PRBool handlesArgs = PR_FALSE;
  rv = handler->GetHandlesArgs(&handlesArgs);
  if (handlesArgs) {
    if ((const char *)cmdResult) {
      if (PL_strcmp("1",(const char *)cmdResult)) {
        PRBool openWindowWithArgs = PR_TRUE;
        rv = handler->GetOpenWindowWithArgs(&openWindowWithArgs);
        if (NS_FAILED(rv)) return rv;

        if (openWindowWithArgs) {
          nsAutoString cmdArgs; cmdArgs.AssignWithConversion(cmdResult);
#ifdef DEBUG_CMD_LINE
          printf("opening %s with %s\n", chromeUrlForTask.get(), "OpenWindow");
#endif /* DEBUG_CMD_LINE */
          rv = OpenWindow(chromeUrlForTask, cmdArgs);
        }
        else {
#ifdef DEBUG_CMD_LINE
          printf("opening %s with %s\n", cmdResult.get(), "OpenWindow");
#endif /* DEBUG_CMD_LINE */
          rv = OpenWindow(cmdResult, width, height);
          if (NS_FAILED(rv)) return rv;
        }
        // If we get here without an error, then a window was opened OK.
        if (NS_SUCCEEDED(rv)) {
          *windowOpened = PR_TRUE;
        }
      }
      else {
        nsXPIDLString defaultArgs;
        rv = handler->GetDefaultArgs(getter_Copies(defaultArgs));
        if (NS_FAILED(rv)) return rv;

        rv = OpenWindow(chromeUrlForTask, defaultArgs);
        if (NS_FAILED(rv)) return rv;
        // Window was opened OK.
        *windowOpened = PR_TRUE;
      }
    }
  }
  else {
    if (NS_SUCCEEDED(rv) && (const char*)cmdResult) {
      if (PL_strcmp("1",cmdResult) == 0) {
        rv = OpenWindow(chromeUrlForTask, width, height);
        if (NS_FAILED(rv)) return rv;
      }
      else {
        rv = OpenWindow(cmdResult, width, height);
        if (NS_FAILED(rv)) return rv;
      }
      // If we get here without an error, then a window was opened OK.
      if (NS_SUCCEEDED(rv)) {
        *windowOpened = PR_TRUE;
      }
    }
  }

  return NS_OK;
}

typedef struct
{
  nsIPref *prefs;
  PRInt32 height;
  PRInt32 width;
  PRBool  windowOpened;
} StartupClosure;

static
void startupPrefEnumerationFunction(const char *prefName, void *data)
{
  nsresult rv;
  PRBool prefValue = PR_FALSE;

  if (!data || !prefName) return;

  StartupClosure *closure = (StartupClosure *)data;

#ifdef DEBUG_CMD_LINE
  printf("getting %s\n", prefName);
#endif /* DEBUG_CMD_LINE */

  rv = closure->prefs->GetBoolPref(prefName, &prefValue);
  if (NS_FAILED(rv)) return;

#ifdef DEBUG_CMD_LINE
  printf("%s = %d\n", prefName, prefValue);
#endif /* DEBUG_CMD_LINE */

  PRUint32 prefixLen = PL_strlen(PREF_STARTUP_PREFIX);

  // if the pref is "general.startup.", ignore it.
  if (PL_strlen(prefName) <= prefixLen) return;

  if (prefValue) {
    // skip past the "general.startup." part of the string
    const char *param = prefName + prefixLen;

#ifdef DEBUG_CMD_LINE
    printf("cmd line parameter = %s\n", param);
#endif /* DEBUG_CMD_LINE */
    rv = LaunchApplication(param, closure->height, closure->width, &closure->windowOpened);
  }
  return;
}

static PRBool IsStartupCommand(const char *arg)
{
  if (!arg) return PR_FALSE;

  if (PL_strlen(arg) <= 1) return PR_FALSE;

  // windows allows /mail or -mail
  if ((arg[0] == '-')
#ifdef XP_PC
      || (arg[0] == '/')
#endif /* XP_PC */
      ) {
    return PR_TRUE;
  }

  return PR_FALSE;
}

static nsresult HandleArbitraryStartup( nsICmdLineService* cmdLineArgs, nsIPref *prefs,  PRBool heedGeneralStartupPrefs, PRBool *windowOpened)
{
#ifdef MOZ_PHOENIX
  heedGeneralStartupPrefs = PR_FALSE;
#endif
	nsresult rv;
	PRInt32 height = nsIAppShellService::SIZE_TO_CONTENT;
	PRInt32 width  = nsIAppShellService::SIZE_TO_CONTENT;
	nsXPIDLCString tempString;

	// Get the value of -width option
	rv = cmdLineArgs->GetCmdLineValue("-width", getter_Copies(tempString));
	if (NS_FAILED(rv)) return rv;

	if ((const char*)tempString) PR_sscanf(tempString, "%d", &width);

	// Get the value of -height option
	rv = cmdLineArgs->GetCmdLineValue("-height", getter_Copies(tempString));
	if (NS_FAILED(rv)) return rv;

	if ((const char*)tempString) PR_sscanf(tempString, "%d", &height);

  if (heedGeneralStartupPrefs) {
#ifdef DEBUG_CMD_LINE
    printf("XXX iterate over all the general.startup.* prefs\n");
#endif /* DEBUG_CMD_LINE */
    StartupClosure closure;

    closure.prefs = prefs;
    closure.height = height;
    closure.width = width;
    closure.windowOpened = *windowOpened;

    prefs->EnumerateChildren(PREF_STARTUP_PREFIX, startupPrefEnumerationFunction,(void *)(&closure));
    *windowOpened = closure.windowOpened;
  }
  else {
    PRInt32 argc = 0;
    rv = cmdLineArgs->GetArgc(&argc);
    if (NS_FAILED(rv)) return rv;

    char **argv = nsnull;
    rv = cmdLineArgs->GetArgv(&argv);
    if (NS_FAILED(rv)) return rv;

    PRInt32 i = 0;
    for (i=1;i<argc;i++) {
#ifdef DEBUG_CMD_LINE
      printf("XXX argv[%d] = %s\n",i,argv[i]);
#endif /* DEBUG_CMD_LINE */
      if (IsStartupCommand(argv[i])) {

        // skip over the - (or / on windows)
        char *command = argv[i] + 1;
#ifdef XP_UNIX
        // unix allows -mail and --mail
        if ((argv[i][0] == '-') && (argv[i][1] == '-')) {
          command = argv[i] + 2;
        }
#endif /* XP_UNIX */

        // this can fail, as someone could do -foo, where -foo is not handled
        rv = LaunchApplicationWithArgs((const char *)(argv[i]),
                                       cmdLineArgs, command,
                                       height, width, windowOpened);
        if (rv == NS_ERROR_NOT_AVAILABLE || rv == NS_ERROR_ABORT) {
          return rv;
        }
      }
    }
  }

  return NS_OK;
}

// This should be done by app shell enumeration someday
nsresult DoCommandLines(nsICmdLineService* cmdLine, PRBool heedGeneralStartupPrefs, PRBool *windowOpened)
{
  NS_ENSURE_ARG( windowOpened );
  *windowOpened = PR_FALSE;

  nsresult rv;

  nsCOMPtr<nsIPref> prefs(do_GetService(NS_PREF_CONTRACTID, &rv));
  if (NS_FAILED(rv)) return rv;

  rv = HandleArbitraryStartup(cmdLine, prefs, heedGeneralStartupPrefs, windowOpened);
  return rv;
}

static nsresult DoOnShutdown()
{
  nsresult rv;

  // save the prefs, in case they weren't saved
  {
    // scoping this in a block to force release
    nsCOMPtr<nsIPref> prefs(do_GetService(NS_PREF_CONTRACTID, &rv));
    NS_ASSERTION(NS_SUCCEEDED(rv), "failed to get prefs, so unable to save them");
    if (NS_SUCCEEDED(rv))
      prefs->SavePrefFile(nsnull);
  }

  // call ShutDownCurrentProfile() so we update the last modified time of the profile
  {
    // scoping this in a block to force release
    nsCOMPtr<nsIProfile> profileMgr(do_GetService(NS_PROFILE_CONTRACTID, &rv));
    NS_ASSERTION(NS_SUCCEEDED(rv), "failed to get profile manager, so unable to update last modified time");
    if (NS_SUCCEEDED(rv)) {
      // 0 is undefined, we use this secret value so that we don't notify
      profileMgr->ShutDownCurrentProfile(0);
    }
  }

  // at this point, all that is on the clipboard is a proxy object, but that object
  // won't be valid once the app goes away. As a result, we need to force the data
  // out of that proxy and properly onto the clipboard. This can't be done in the
  // clipboard service's shutdown routine because it requires the parser/etc which
  // has already been shutdown by the time the clipboard is shut down.
  {
    // scoping this in a block to force release
    nsCOMPtr<nsIClipboard> clipService(do_GetService("@mozilla.org/widget/clipboard;1", &rv));
    if (NS_SUCCEEDED(rv))
      clipService->ForceDataToClipboard(nsIClipboard::kGlobalClipboard);
  }

  return rv;
}

static nsresult ConvertToUnicode(nsString& aCharset, const char* inString, nsAString& outString)
{
  nsresult rv;

  // convert result to unicode
  nsCOMPtr<nsICharsetConverterManager> ccm(do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID , &rv));
  if (NS_FAILED(rv))
    return rv;

  nsCOMPtr <nsIUnicodeDecoder> decoder; 
  rv = ccm->GetUnicodeDecoder(&aCharset, getter_AddRefs(decoder));
  if (NS_FAILED(rv))
    return rv;

  PRInt32 uniLength = 0;
  PRInt32 srcLength = strlen(inString);
  rv = decoder->GetMaxLength(inString, srcLength, &uniLength);
  if (NS_FAILED(rv))
    return rv;

  PRUnichar *unichars = new PRUnichar [uniLength];
  if (nsnull != unichars) {
    // convert to unicode
    rv = decoder->Convert(inString, &srcLength, unichars, &uniLength);
    if (NS_SUCCEEDED(rv)) {
      // Pass back the unicode string
      outString.Assign(unichars, uniLength);
    }
    delete [] unichars;
  }
  else {
    rv = NS_ERROR_OUT_OF_MEMORY;
  }

  return rv;
}
 
static nsresult OpenBrowserWindow(PRInt32 height, PRInt32 width)
{
    nsresult rv;
    nsCOMPtr<nsICmdLineHandler> handler(do_GetService("@mozilla.org/commandlinehandler/general-startup;1?type=browser", &rv));
    if (NS_FAILED(rv)) return rv;

    nsXPIDLCString chromeUrlForTask;
    rv = handler->GetChromeUrlForTask(getter_Copies(chromeUrlForTask));
    if (NS_FAILED(rv)) return rv;

    nsCOMPtr <nsICmdLineService> cmdLine = do_GetService("@mozilla.org/appshell/commandLineService;1", &rv);
    if (NS_FAILED(rv)) return rv;

    nsXPIDLCString urlToLoad;
    rv = cmdLine->GetURLToLoad(getter_Copies(urlToLoad));
    if (NS_FAILED(rv)) return rv;

    if (!urlToLoad.IsEmpty()) {

#ifdef DEBUG_CMD_LINE
      printf("url to load: %s\n", urlToLoad.get());
#endif /* DEBUG_CMD_LINE */

      nsAutoString url; 
      if (nsCRT::IsAscii(urlToLoad))  {
        url.AssignWithConversion(urlToLoad);
      }
      else {
        // get a platform charset
        nsAutoString charSet;
        nsCOMPtr <nsIPlatformCharset> platformCharset(do_GetService(NS_PLATFORMCHARSET_CONTRACTID, &rv));
        if (NS_FAILED(rv)) {
          NS_ASSERTION(0, "Failed to get a platform charset");
          return rv;
        }

        rv = platformCharset->GetCharset(kPlatformCharsetSel_FileName, charSet);
        if (NS_FAILED(rv)) {
          NS_ASSERTION(0, "Failed to get a charset");
          return rv;
        }

        // convert the cmdLine URL to Unicode
        rv = ConvertToUnicode(charSet, urlToLoad, url);
        if (NS_FAILED(rv)) {
          NS_ASSERTION(0, "Failed to convert commandline url to unicode");
          return rv;
        }
      }
      rv = OpenWindow(chromeUrlForTask, url, width, height);

    } else {

      nsXPIDLString defaultArgs;
      rv = handler->GetDefaultArgs(getter_Copies(defaultArgs));
      if (NS_FAILED(rv)) return rv;

#ifdef DEBUG_CMD_LINE
      printf("default args: %s\n", NS_ConvertUCS2toUTF8(defaultArgs).get());
#endif /* DEBUG_CMD_LINE */

      rv = OpenWindow(chromeUrlForTask, defaultArgs, width, height);
    }

    return rv;
}


static nsresult Ensure1Window( nsICmdLineService* cmdLineArgs)
{
  nsresult rv;

  // If starting up in server mode, then we do things differently.
  nsCOMPtr<nsINativeAppSupport> nativeApp;
  rv = GetNativeAppSupport(getter_AddRefs(nativeApp));
  if (NS_SUCCEEDED(rv)) {
      PRBool isServerMode = PR_FALSE;
      nativeApp->GetIsServerMode(&isServerMode);
      if (isServerMode) {
          nativeApp->StartServerMode();
      }
      PRBool shouldShowUI = PR_TRUE;
      nativeApp->GetShouldShowUI(&shouldShowUI);
      if (!shouldShowUI) {
          return NS_OK;
      }
  }
  
  nsCOMPtr<nsIWindowMediator> windowMediator(do_GetService(kWindowMediatorCID, &rv));

  if (NS_FAILED(rv))
    return rv;

  nsCOMPtr<nsISimpleEnumerator> windowEnumerator;

  if (NS_SUCCEEDED(windowMediator->GetEnumerator(nsnull, getter_AddRefs(windowEnumerator))))
  {
    PRBool more;

    windowEnumerator->HasMoreElements(&more);
    if ( !more )
    {
      // No window exists so lets create a browser one
      PRInt32 height = nsIAppShellService::SIZE_TO_CONTENT;
      PRInt32 width  = nsIAppShellService::SIZE_TO_CONTENT;
				
      // Get the value of -width option
      nsXPIDLCString tempString;
      rv = cmdLineArgs->GetCmdLineValue("-width", getter_Copies(tempString));
      if (NS_FAILED(rv))
        return rv;
      if ((const char*)tempString)
        PR_sscanf(tempString, "%d", &width);


      // Get the value of -height option
      rv = cmdLineArgs->GetCmdLineValue("-height", getter_Copies(tempString));
      if (NS_FAILED(rv))
        return rv;

      if ((const char*)tempString)
        PR_sscanf(tempString, "%d", &height);

      rv = OpenBrowserWindow(height, width);
    }
  }
  return rv;
}

// match OS locale
static char kMatchOSLocalePref[] = "intl.locale.matchOS";

nsresult
getCountry(const nsAString& lc_name, nsAString& aCountry)
{

  nsresult        result = NS_OK;

  PRInt32 dash = lc_name.FindChar('-');
  if (dash > 0)
    aCountry = Substring(lc_name, dash+1, lc_name.Length()-dash);
  else
    result = NS_ERROR_FAILURE;

  return result;
}

static nsresult
getUILangCountry(nsAString& aUILang, nsAString& aCountry)
{
  nsresult	 result;
  // get a locale service 
  nsCOMPtr<nsILocaleService> localeService = do_GetService(NS_LOCALESERVICE_CONTRACTID, &result);
  NS_ASSERTION(NS_SUCCEEDED(result),"getUILangCountry: get locale service failed");

  nsXPIDLString uiLang;
  result = localeService->GetLocaleComponentForUserAgent(getter_Copies(uiLang));
  aUILang = uiLang;
  result = getCountry(aUILang, aCountry);
  return result;
}

// update global locale if possible (in case when user-*.rdf can be updated)
// so that any apps after this can be invoked in the UILocale and contentLocale
static nsresult InstallGlobalLocale(nsICmdLineService *cmdLineArgs)
{
    nsresult rv = NS_OK;

    // check the pref first
    nsCOMPtr<nsIPref> prefService(do_GetService("@mozilla.org/preferences;1"));
    PRBool matchOS = PR_FALSE;
    if (prefService)
      prefService->GetBoolPref(kMatchOSLocalePref, &matchOS);

    // match os locale
    nsAutoString uiLang;
    nsAutoString country;
    if (matchOS) {
      // compute lang and region code only when needed!
      rv = getUILangCountry(uiLang, country);
    }

    nsXPIDLCString cmdUI;
    rv = cmdLineArgs->GetCmdLineValue(UILOCALE_CMD_LINE_ARG, getter_Copies(cmdUI));
    if (NS_SUCCEEDED(rv)){
        if (cmdUI) {
            nsAutoString UILocaleName;
            UILocaleName.AssignWithConversion(cmdUI);
            nsCOMPtr<nsIXULChromeRegistry> chromeRegistry = do_GetService(NS_CHROMEREGISTRY_CONTRACTID, &rv);
            if (chromeRegistry)
                rv = chromeRegistry->SelectLocale(UILocaleName.get(), PR_FALSE);
        }
    }
    // match OS when no cmdline override
    if (!cmdUI && matchOS) {
      nsCOMPtr<nsIXULChromeRegistry> chromeRegistry = do_GetService(NS_CHROMEREGISTRY_CONTRACTID, &rv);
      if (chromeRegistry) {
        chromeRegistry->SetRuntimeProvider(PR_TRUE);
        rv = chromeRegistry->SelectLocale(uiLang.get(), PR_FALSE);
      }
    }

    nsXPIDLCString cmdContent;
    rv = cmdLineArgs->GetCmdLineValue(CONTENTLOCALE_CMD_LINE_ARG, getter_Copies(cmdContent));
    if (NS_SUCCEEDED(rv)){
        if (cmdContent) {
            nsAutoString ContentLocaleName;
            ContentLocaleName.AssignWithConversion(cmdContent);
            nsCOMPtr<nsIXULChromeRegistry> chromeRegistry = do_GetService(NS_CHROMEREGISTRY_CONTRACTID, &rv);
            if(chromeRegistry)
                rv = chromeRegistry->SelectLocale(ContentLocaleName.get(), PR_FALSE);
        }
    }
    // match OS when no cmdline override
    if (!cmdContent && matchOS) {
      nsCOMPtr<nsIXULChromeRegistry> chromeRegistry = do_GetService(NS_CHROMEREGISTRY_CONTRACTID, &rv);
      if (chromeRegistry) {
        chromeRegistry->SetRuntimeProvider(PR_TRUE);        
        rv = chromeRegistry->SelectLocale(country.get(), PR_FALSE);
      }
    }

    return NS_OK;
}

static nsresult InitializeProfileService(nsICmdLineService *cmdLineArgs)
{
    // If we are being launched in -turbo mode, we cannot show UI
    PRBool shouldShowUI = PR_TRUE;
    nsCOMPtr<nsINativeAppSupport> nativeApp;
    if (NS_SUCCEEDED(GetNativeAppSupport(getter_AddRefs(nativeApp))))
      nativeApp->GetShouldShowUI(&shouldShowUI);
    // If we were launched with -silent, we cannot show UI, either.
    if (shouldShowUI) {
      nsXPIDLCString arg;
      if (NS_SUCCEEDED(cmdLineArgs->GetCmdLineValue("-silent", getter_Copies(arg))) && (const char*)arg) {
        shouldShowUI = PR_FALSE;
      }
    }
    nsresult rv;
    nsCOMPtr<nsIAppShellService> appShellService(do_GetService(kAppShellServiceCID, &rv));
    if (NS_FAILED(rv)) return rv;
    rv = appShellService->DoProfileStartup(cmdLineArgs, shouldShowUI);

    return rv;
}

static nsresult InitializeWindowCreator()
{
  // create an nsWindowCreator and give it to the WindowWatcher service
  nsWindowCreator *creatorCallback = new nsWindowCreator();
  if (!creatorCallback)
    return NS_ERROR_OUT_OF_MEMORY;

  nsCOMPtr<nsIWindowCreator> windowCreator(NS_STATIC_CAST(nsIWindowCreator *, creatorCallback));
  if (windowCreator) {
    nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
    if (wwatch) {
      wwatch->SetWindowCreator(windowCreator);
      return NS_OK;
    }
  }
  return NS_ERROR_FAILURE;
}

// Maximum allowed / used length of alert message is 255 chars, due to restrictions on Mac.
// Please make sure that file contents and fallback_alert_text are at most 255 chars.
// Fallback_alert_text must be non-const, because of inplace conversion on Mac.
static void ShowOSAlertFromFile(int argc, char **argv, const char *alert_filename, const char* fallback_alert_text)
{
  char message[256] = { 0 };
  PRInt32 numRead = 0;
  const char *messageToShow = fallback_alert_text;
  nsresult rv;
  nsCOMPtr<nsILocalFile> fileName;
  nsCOMPtr<nsIProperties> directoryService;

  directoryService = do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
  if (NS_SUCCEEDED(rv)) {
    rv = directoryService->Get(NS_APP_RES_DIR,
                               NS_GET_IID(nsIFile),
                               getter_AddRefs(fileName));
    if (NS_SUCCEEDED(rv) && fileName) {
      fileName->AppendNative(nsDependentCString(alert_filename));
      PRFileDesc* fd = 0;
      fileName->OpenNSPRFileDesc(PR_RDONLY, 0664, &fd);
      if (fd) {
        numRead = PR_Read(fd, message, sizeof(message)-1);
        if (numRead > 0) {
          message[numRead] = 0;
          messageToShow = message;
        }
      }
    }
  }

  #ifdef MOZ_WIDGET_GTK
  gtk_init(&argc, &argv);
  #endif

  ShowOSAlert( messageToShow );
}

static nsresult VerifyInstallation(int argc, char **argv)
{
  nsresult rv;
  nsCOMPtr<nsILocalFile> registryFile;

  nsCOMPtr<nsIProperties> directoryService =
           do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
  if (NS_FAILED(rv))
    return NS_OK;
  rv = directoryService->Get(NS_APP_INSTALL_CLEANUP_DIR,
                             NS_GET_IID(nsIFile),
                             getter_AddRefs(registryFile));
  if (NS_FAILED(rv) || !registryFile)
    return NS_ERROR_FAILURE;

  registryFile->AppendNative(CLEANUP_REGISTRY);

  PRBool exists;
  registryFile->Exists(&exists);
  if (exists)
  {
    nsCOMPtr<nsIFile> binPath;
    const char lastResortMessage[] = "A previous install did not complete correctly.  Finishing install.";

    ShowOSAlertFromFile(argc, argv, CLEANUP_MESSAGE_FILENAME.get(), lastResortMessage);

    nsCOMPtr<nsIFile> cleanupUtility;
    registryFile->Clone(getter_AddRefs(cleanupUtility));
    cleanupUtility->SetNativeLeafName(CLEANUP_UTIL);

    //Create the process framework to run the cleanup utility
    nsCOMPtr<nsIProcess> cleanupProcess = do_CreateInstance(kIProcessCID);
    rv = cleanupProcess->Init(cleanupUtility);
    if (NS_SUCCEEDED(rv))
      rv = cleanupProcess->Run(PR_FALSE,nsnull, 0, nsnull);

    //We must exit because all open files must be released by the system
    return NS_ERROR_FAILURE;
  }
  return NS_OK;
}

#ifdef DEBUG_warren
#ifdef XP_PC
#define _CRTDBG_MAP_ALLOC
#include <crtdbg.h>
#endif
#endif

#if defined(FREEBSD)
// pick up fpsetmask prototype.
#include <ieeefp.h>
#endif

// Note: nativeApp is an owning reference that this function has responsibility
//       to release.  This responsibility is delegated to the app shell service
//       (see nsAppShellService::Initialize call, below).
static nsresult main1(int argc, char* argv[], nsISupports *nativeApp )
{
  nsresult rv;
  NS_TIMELINE_ENTER("main1");

  //----------------------------------------------------------------
  // First we need to check if a previous installation occured and
  // if so, make sure it finished and cleaned up correctly.
  //
  // If there is an xpicleanup.dat file left around, that means the
  // previous installation did not finish correctly. We must cleanup
  // before a valid mozilla can run.
  //
  // Show the user a platform-specific Alert message, then spawn the
  // xpicleanup utility, then exit.
  //----------------------------------------------------------------
  rv = VerifyInstallation(argc, argv);
  if (NS_FAILED(rv))
    return NS_ERROR_FAILURE;

#ifdef DEBUG_warren
//  _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF);
#endif

#ifndef XP_MAC
  // Unbuffer debug output (necessary for automated QA performance scripts).
  setbuf( stdout, 0 );
#endif

#if defined(FREEBSD)
  // Disable all SIGFPE's on FreeBSD, as it has non-IEEE-conformant fp
  // trap behavior that trips up on floating-point tests performed by
  // the JS engine.  See bugzilla bug 9967 details.
  fpsetmask(0);
#endif

  NS_TIMELINE_ENTER("init event service");
  nsCOMPtr<nsIEventQueueService> eventQService(do_GetService(NS_EVENTQUEUESERVICE_CONTRACTID, &rv));
  if (NS_SUCCEEDED(rv)) {
    // XXX: What if this fails?
    rv = eventQService->CreateThreadEventQueue();
  }
  NS_TIMELINE_LEAVE("init event service");

  // Setup an autoreg obserer, so that we can update a progress
  // string in the splash screen
  nsCOMPtr<nsIObserverService> obsService(do_GetService("@mozilla.org/observer-service;1"));
  if (obsService)
  {
    nsCOMPtr<nsIObserver> splashScreenObserver(do_QueryInterface(nativeApp));
    if (splashScreenObserver)
    {
      obsService->AddObserver(splashScreenObserver, NS_XPCOM_AUTOREGISTRATION_OBSERVER_ID, PR_FALSE);
    }
  }

#if XP_MAC
  stTSMCloser  tsmCloser;

  rv = InitializeMacCommandLine( argc, argv);
  NS_ASSERTION(NS_SUCCEEDED(rv), "Initializing AppleEvents failed");
#endif

  NS_TIMELINE_ENTER("setup registry");
  // Ask XPInstall if we need to autoregister anything new.
  PRBool needAutoReg = NS_SoftwareUpdateNeedsAutoReg();

#ifdef DEBUG
  // _Always_ autoreg if we're in a debug build, under the assumption
  // that people are busily modifying components and will be angry if
  // their changes aren't noticed.
  needAutoReg = PR_TRUE;
#endif

  if (needAutoReg) {
    nsComponentManager::AutoRegister(nsIComponentManagerObsolete::NS_Startup,
                                     NULL /* default */);
    // XXX ...and autoreg was successful?
    NS_SoftwareUpdateDidAutoReg();
  }
  NS_TIMELINE_LEAVE("setup registry");

  // remove the nativeApp as an XPCOM autoreg observer
  if (obsService)
  {
    nsCOMPtr<nsIObserver> splashScreenObserver(do_QueryInterface(nativeApp));
    if (splashScreenObserver)
    {
      obsService->RemoveObserver(splashScreenObserver, NS_XPCOM_AUTOREGISTRATION_OBSERVER_ID);
    }
  }

  NS_TIMELINE_ENTER("startupNotifier");

  // Start up the core services:

  // Please do not add new things to main1() - please hook into the
  // nsIAppStartupNotifier service.
  nsCOMPtr<nsIObserver> startupNotifier = do_CreateInstance(NS_APPSTARTUPNOTIFIER_CONTRACTID, &rv);
  if(NS_FAILED(rv))
    return rv;
  startupNotifier->Observe(nsnull, APPSTARTUP_TOPIC, nsnull);
  NS_TIMELINE_LEAVE("startupNotifier");

  NS_TIMELINE_ENTER("cmdLineArgs");

  // Initialize the cmd line service
  nsCOMPtr<nsICmdLineService> cmdLineArgs(do_GetService(kCmdLineServiceCID, &rv));
  NS_ASSERTION(NS_SUCCEEDED(rv), "failed to get command line service");

  if (NS_FAILED(rv)) {
    NS_ASSERTION(PR_FALSE, "Could not obtain CmdLine processing service\n");
    return rv;
  }

  rv = cmdLineArgs->Initialize(argc, argv);
  NS_ASSERTION(NS_SUCCEEDED(rv), "failed to initialize command line args");
  if (rv == NS_ERROR_INVALID_ARG) {
    PrintUsage();
    return rv;
  }

  NS_TIMELINE_LEAVE("cmdLineArgs");

  NS_TIMELINE_ENTER("InstallGlobalLocale");
  rv = InstallGlobalLocale(cmdLineArgs);
  if(NS_FAILED(rv))
    return rv;
  NS_TIMELINE_LEAVE("InstallGlobalLocale");

  NS_TIMELINE_ENTER("appShell");

  nsCOMPtr<nsIAppShellService> appShell(do_GetService(kAppShellServiceCID, &rv));
  NS_ASSERTION(NS_SUCCEEDED(rv), "failed to get the appshell service");

  /* if we couldn't get the nsIAppShellService service, then we should hide the
     splash screen and return */
  if (NS_FAILED(rv)) {
    // See if platform supports nsINativeAppSupport.
    nsCOMPtr<nsINativeAppSupport> nativeAppSupport(do_QueryInterface(nativeApp));
    if (nativeAppSupport) {
      // Use that interface to remove splash screen.
      nativeAppSupport->HideSplashScreen();
    } else {
      // See if platform supports nsISplashScreen, instead.
      nsCOMPtr<nsISplashScreen> splashScreen(do_QueryInterface(nativeApp));
      if (splashScreen) {
        splashScreen->Hide();
      }
    }
    // Release argument object.
    NS_IF_RELEASE(nativeApp);
    return rv;
  }

  NS_TIMELINE_LEAVE("appShell");

  NS_TIMELINE_ENTER("appShell->Initialize");

  // Create the Application Shell instance...
  rv = appShell->Initialize(cmdLineArgs, nativeApp);

  NS_TIMELINE_LEAVE("appShell->Initialize");

  // We are done with the native app (or splash screen) object here;
  // the app shell owns it now.
  NS_IF_RELEASE(nativeApp);

  NS_ASSERTION(NS_SUCCEEDED(rv), "failed to initialize appshell");
  if (NS_FAILED(rv)) return rv;

  rv = InitializeWindowCreator();
  NS_ASSERTION(NS_SUCCEEDED(rv), "failed to initialize window creator");
  if (NS_FAILED(rv)) return rv;

  // So we can open and close windows during startup
  appShell->SetQuitOnLastWindowClosing(PR_FALSE);

  // Initialize Profile Service here.
  NS_TIMELINE_ENTER("InitializeProfileService");
  rv = InitializeProfileService(cmdLineArgs);
  NS_TIMELINE_LEAVE("InitializeProfileService");
  if (NS_FAILED(rv)) return rv;

  // rjc: now must explicitly call appshell's CreateHiddenWindow() function AFTER profile manager.
  //      if the profile manager ever switches to using nsIDOMWindowInternal stuff, this might have to change
  NS_TIMELINE_ENTER("appShell->CreateHiddenWindow");
  appShell->CreateHiddenWindow();
  NS_TIMELINE_LEAVE("appShell->CreateHiddenWindow");

  // This will go away once Components are handling there own commandlines
  // if we have no command line arguments, we need to heed the
  // "general.startup.*" prefs
  // if we had no command line arguments, argc == 1.

  PRBool windowOpened = PR_FALSE;
#ifdef XP_MAC
  // if we do no command line args on the mac, it says argc is 0, and not 1
  rv = DoCommandLines( cmdLineArgs, ((argc == 1) || (argc == 0)), &windowOpened );
#else
  rv = DoCommandLines( cmdLineArgs, (argc == 1), &windowOpened );
#endif /* XP_MAC */
  if ( NS_FAILED(rv) )
  {
    NS_WARNING("failed to process command line");
    return rv;
  }

  // Make sure there exists at least 1 window.
  NS_TIMELINE_ENTER("Ensure1Window");
  rv = Ensure1Window( cmdLineArgs );
  NS_TIMELINE_LEAVE("Ensure1Window");
  NS_ASSERTION(NS_SUCCEEDED(rv), "failed to Ensure1Window");
  if (NS_FAILED(rv)) return rv;

  // From this point on, should be true
  appShell->SetQuitOnLastWindowClosing(PR_TRUE);	

#ifdef MOZ_ENABLE_XREMOTE
  // if we have X remote support and we have our one window up and
  // running start listening for requests on the proxy window.
  nsCOMPtr<nsIXRemoteService> remoteService;
  remoteService = do_GetService(NS_IXREMOTESERVICE_CONTRACTID);
  if (remoteService)
    remoteService->Startup();
#endif /* MOZ_ENABLE_XREMOTE */

  // Start main event loop
  NS_TIMELINE_ENTER("appShell->Run");
  rv = appShell->Run();
  NS_TIMELINE_LEAVE("appShell->Run");
  NS_ASSERTION(NS_SUCCEEDED(rv), "failed to run appshell");

#ifdef MOZ_ENABLE_XREMOTE
  // shut down the x remote proxy window
  if (remoteService)
    remoteService->Shutdown();
#endif /* MOZ_ENABLE_XREMOTE */

#ifdef MOZ_TIMELINE
  // Make sure we print this out even if timeline is runtime disabled
  if (NS_FAILED(NS_TIMELINE_LEAVE("main1")))
      NS_TimelineForceMark("...main1");
#endif

  return rv;
}

// English text needs to go into a dtd file.
// But when this is called we have no components etc. These strings must either be
// here, or in a native resource file.
static void DumpHelp(char *appname)
{
  printf("Usage: %s [ options ... ] [URL]\n", appname);
  printf("       where options include:\n");
  printf("\n");

#ifdef MOZ_WIDGET_GTK
  /* insert gtk options above moz options, like any other gtk app
   *
   * note: this isn't a very cool way to do things -- i'd rather get
   * these straight from a user's gtk version -- but it seems to be
   * what most gtk apps do. -dr
   */

  printf("GTK options\n");
  printf("%s--gdk-debug=FLAGS%sGdk debugging flags to set\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s--gdk-no-debug=FLAGS%sGdk debugging flags to unset\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s--gtk-debug=FLAGS%sGtk+ debugging flags to set\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s--gtk-no-debug=FLAGS%sGtk+ debugging flags to unset\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s--gtk-module=MODULE%sLoad an additional Gtk module\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s-install%sInstall a private colormap\n", HELP_SPACER_1, HELP_SPACER_2);

  /* end gtk toolkit options */
#endif /* MOZ_WIDGET_GTK */
#if MOZ_WIDGET_XLIB
  printf("Xlib options\n");
  printf("%s-display=DISPLAY%sX display to use\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s-visual=VISUALID%sX visual to use\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s-install_colormap%sInstall own colormap\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s-sync%sMake X calls synchronous\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s-no-xshm%sDon't use X shared memory extension\n", HELP_SPACER_1, HELP_SPACER_2);

  /* end xlib toolkit options */
#endif /* MOZ_WIDGET_XLIB */
#ifdef MOZ_X11
  printf("X11 options\n");
  printf("%s--display=DISPLAY%sX display to use\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s--sync%sMake X calls synchronous\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s--no-xshm%sDon't use X shared memory extension\n", HELP_SPACER_1, HELP_SPACER_2);
  printf("%s--xim-preedit=STYLE\n", HELP_SPACER_1);
  printf("%s--xim-status=STYLE\n", HELP_SPACER_1);
#endif
#ifdef XP_UNIX
  printf("%s--g-fatal-warnings%sMake all warnings fatal\n", HELP_SPACER_1, HELP_SPACER_2);

  printf("\nMozilla options\n");
#endif

  printf("%s-height <value>%sSet height of startup window to <value>.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-h or -help%sPrint this message.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-installer%sStart with 4.x migration window.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-width <value>%sSet width of startup window to <value>.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-v or -version%sPrint %s version.\n",HELP_SPACER_1,HELP_SPACER_2, appname);
  printf("%s-CreateProfile <profile>%sCreate <profile>.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-P <profile>%sStart with <profile>.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-ProfileWizard%sStart with profile wizard.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-ProfileManager%sStart with profile manager.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-SelectProfile%sStart with profile selection dialog.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-UILocale <locale>%sStart with <locale> resources as UI Locale.\n",HELP_SPACER_1,HELP_SPACER_2);
  printf("%s-contentLocale <locale>%sStart with <locale> resources as content Locale.\n",HELP_SPACER_1,HELP_SPACER_2);
#ifdef XP_WIN32
  printf("%s-console%sStart Mozilla with a debugging console.\n",HELP_SPACER_1,HELP_SPACER_2);
#endif
#ifdef MOZ_ENABLE_XREMOTE
  printf("%s-remote <command>%sExecute <command> in an already running\n"
         "%sMozilla process.  For more info, see:\n"
         "\n%shttp://www.mozilla.org/unix/remote.html\n\n",
         HELP_SPACER_1,HELP_SPACER_1,HELP_SPACER_4,HELP_SPACER_2);
  printf("%s-splash%sEnable splash screen.\n",HELP_SPACER_1,HELP_SPACER_2);
#else
  printf("%s-nosplash%sDisable splash screen.\n",HELP_SPACER_1,HELP_SPACER_2);
#ifdef XP_PC
  printf("%s-quiet%sDisable splash screen.\n",HELP_SPACER_1,HELP_SPACER_2);
#endif
#endif

  // this works, but only after the components have registered.  so if you drop in a new command line handler, -help
  // won't not until the second run.
  // out of the bug, because we ship a component.reg file, it works correctly.
  DumpArbitraryHelp();
}


// Print out user agent from the HTTP Handler service,
// and the Build ID from nsBuildID.h.
static nsresult DumpVersion(char *appname)
{
  nsresult rv = NS_OK;
  long buildID = NS_BUILD_ID;  // 10-digit number

  // Get httpHandler service.
  nsCOMPtr <nsIHttpProtocolHandler> httpHandler(do_GetService("@mozilla.org/network/protocol;1?name=http", &rv));
  NS_ENSURE_SUCCESS(rv,rv);

  nsCAutoString agent;
  httpHandler->GetUserAgent(agent);

  printf("%s", agent.get());

  if(buildID) {
    printf(", build %u\n", (unsigned int)buildID);
  } else {
    printf(" <developer build>\n");
  }

  return rv;
}

#ifdef MOZ_ENABLE_XREMOTE
// use int here instead of a PR type since it will be returned
// from main - just to keep types consistent
static int HandleRemoteArguments(int argc, char* argv[], PRBool *aArgUsed)
{
  int i = 0;
  for (i=1; i < argc; i++) {
    if (PL_strcasecmp(argv[i], "-remote") == 0) {
      // someone used a -remote flag
      *aArgUsed = PR_TRUE;
      // check to make sure there's another arg
      if (argc-1 == i) {
        PR_fprintf(PR_STDERR, "-remote requires an argument\n");
        return 1;
      }
      // try to get the X remote client
      nsCOMPtr<nsIXRemoteClient> client (do_CreateInstance(NS_XREMOTECLIENT_CONTRACTID));
      if (!client)
        return 1;
      nsresult rv;
      // try to init - connects to the X server and stuff
      rv = client->Init();
      if (NS_FAILED(rv)) {
        PR_fprintf(PR_STDERR, "Failed to connect to X server.\n");
        return 1;
      }
      PRBool success = PR_FALSE;
      rv = client->SendCommand(argv[i+1], &success);
      // did the command fail?
      if (NS_FAILED(rv)) {
        PR_fprintf(PR_STDERR, "Failed to send command.\n");
        return 1;
      }
      // was there a window not running?
      if (!success) {
        PR_fprintf(PR_STDERR, "No running window found.\n");
        return 2;
      }
      client->Shutdown();
      // success
      return 0;
    }
  }
  return 0;
}
#endif /* XP_UNIX */

static PRBool HandleDumpArguments(int argc, char* argv[])
{
  for (int i=1; i<argc; i++) {
    if ((PL_strcasecmp(argv[i], "-h") == 0)
        || (PL_strcasecmp(argv[i], "-help") == 0)
#if defined(XP_UNIX) || defined(XP_BEOS)
        || (PL_strcasecmp(argv[i], "--help") == 0)
#endif /* XP_UNIX || XP_BEOS*/
#ifdef XP_PC
        || (PL_strcasecmp(argv[i], "/h") == 0)
        || (PL_strcasecmp(argv[i], "/help") == 0)
        || (PL_strcasecmp(argv[i], "/?") == 0)
#endif /* XP_PC */
      ) {
      DumpHelp(argv[0]);
      return PR_TRUE;
    }
    if ((PL_strcasecmp(argv[i], "-v") == 0)
        || (PL_strcasecmp(argv[i], "-version") == 0)
#if defined(XP_UNIX) || defined(XP_BEOS)
        || (PL_strcasecmp(argv[i], "--version") == 0)
#endif /* XP_UNIX || XP_BEOS */
#ifdef XP_PC
        || (PL_strcasecmp(argv[i], "/v") == 0)
        || (PL_strcasecmp(argv[i], "/version") == 0)
#endif /* XP_PC */
      ) {
      DumpVersion(argv[0]);
      return PR_TRUE;
    }
  }

  return PR_FALSE;
}


static PRBool GetWantSplashScreen(int argc, char* argv[])
{
  #ifdef MOZ_PHOENIX
  return PR_FALSE;
  #endif

  int i;
  PRBool dosplash;
  // We can't use the command line service here because it isn't running yet
#if defined(XP_UNIX) && !defined(MOZ_WIDGET_PHOTON) 
  dosplash = PR_FALSE;
  for (i=1; i<argc; i++)
    if ((PL_strcasecmp(argv[i], "-splash") == 0)
        || (PL_strcasecmp(argv[i], "--splash") == 0))
      dosplash = PR_TRUE;
#else
  dosplash = PR_TRUE;
  for (i=1; i<argc; i++)
    if ((PL_strcasecmp(argv[i], "-nosplash") == 0)
#ifdef XP_BEOS
		|| (PL_strcasecmp(argv[i], "--nosplash") == 0)
#endif /* XP_BEOS */
#ifdef XP_PC
        || (PL_strcasecmp(argv[i], "/nosplash") == 0)
#endif /* XP_PC */
	) {
      dosplash = PR_FALSE;
	}
#endif

  return dosplash;
}

int main(int argc, char* argv[])
{
  NS_TIMELINE_MARK("enter main");

#if defined(DEBUG) && defined(XP_WIN32)
  // Disable small heap allocator to get heapwalk() giving us
  // accurate heap numbers. Win2k non-debug does not use small heap allocator.
  // Win2k debug seems to be still using it.
  // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_crt__set_sbh_threshold.asp
  _set_sbh_threshold(0);
#endif

#if defined(XP_UNIX) || defined(XP_BEOS)
  InstallUnixSignalHandlers(argv[0]);
#endif

#if defined(XP_OS2)
  __argc = argc;
  __argv = argv;

  ULONG    ulMaxFH = 0;
  LONG     ulReqCount = 0;
  APIRET   rc = NO_ERROR;

  DosSetRelMaxFH(&ulReqCount,
                 &ulMaxFH);

  if (ulMaxFH < 256) {
    DosSetMaxFH(256);
  }
#endif /* XP_OS2 */

#if defined(XP_BEOS)
  if (NS_OK != InitializeBeOSApp())
    return 1;
#endif

#if defined(XP_MACOSX)
  InitializeMacOSXApp(argc, argv);
#endif

#ifdef _BUILD_STATIC_BIN
  // Initialize XPCOM's module info table
  NSGetStaticModuleInfo = app_getModuleInfo;
#endif

  // Handle -help and -version command line arguments.
  // They should% return quick, so we deal with them here.
  if (HandleDumpArguments(argc, argv))
    return 0;

#ifdef NS_TRACE_MALLOC
  argc = NS_TraceMallocStartupArgs(argc, argv);
#endif

  // Call the code to install our handler
#ifdef MOZ_JPROF
  setupProfilingStuff();
#endif

  // Try to allocate "native app support."
  // Note: this object is not released here.  It is passed to main1 which
  //       has responsibility to release it.
  nsINativeAppSupport *nativeApp = 0;
  nsresult rv = NS_CreateNativeAppSupport( &nativeApp );

  // See if we can run.
  if (nativeApp)
  {
    PRBool canRun = PR_FALSE;
    rv = nativeApp->Start( &canRun );
    if (!canRun) {
        return 1;
    }
  } else {
    // If platform doesn't implement nsINativeAppSupport, fall
    // back to old method.
    if (!NS_CanRun())
      return 1;
  }
  // Note: this object is not released here.  It is passed to main1 which
  //       has responsibility to release it.
  nsISplashScreen *splash = 0;
  PRBool dosplash = GetWantSplashScreen(argc, argv);

  if (dosplash && !nativeApp) {
    // If showing splash screen and platform doesn't implement
    // nsINativeAppSupport, then use older nsISplashScreen interface.
    rv = NS_CreateSplashScreen(&splash);
    NS_ASSERTION( NS_SUCCEEDED(rv), "NS_CreateSplashScreen failed" );
  }
  // If the platform has a splash screen, show it ASAP.
  if (dosplash && nativeApp) {
    nativeApp->ShowSplashScreen();
  } else if (splash) {
    splash->Show();
  }

  NS_TIMELINE_MARK("InitXPCom...");

  rv = NS_InitXPCOM2(NULL, NULL, NULL);
  NS_ASSERTION( NS_SUCCEEDED(rv), "NS_InitXPCOM failed" );

  NS_TIMELINE_MARK("...InitXPCOM done");

#ifdef MOZ_ENABLE_XREMOTE
  // handle -remote now that xpcom is fired up
  int remoterv;
  PRBool argused = PR_FALSE;
  // argused will be true if someone tried to use a -remote flag.  We
  // always exit in that case.
  remoterv = HandleRemoteArguments(argc, argv, &argused);
  if (argused) {
    NS_ShutdownXPCOM(NULL);
    return remoterv;
  }
#endif

  nsresult mainResult = main1(argc, argv, nativeApp ? (nsISupports*)nativeApp : (nsISupports*)splash);

  /* if main1() didn't succeed, then don't bother trying to shut down clipboard, etc */
  if (NS_SUCCEEDED(mainResult)) {
    rv = DoOnShutdown();
    NS_ASSERTION(NS_SUCCEEDED(rv), "DoOnShutdown failed");
  }

  rv = NS_ShutdownXPCOM( NULL );
  NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");

  return TranslateReturnValue(mainResult);
}

#if defined( XP_PC ) && defined( WIN32 )
// We need WinMain in order to not be a console app.  This function is
// unused if we are a console application.
int WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR args, int )
{
    // Do the real work.
    return main( __argc, __argv );
}
#endif // XP_PC && WIN32