import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/components/remote/moz.build

@@ -0,0 +1,24 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+XPIDL_SOURCES += [
+    'nsIRemoteService.idl',
+]
+
+XPIDL_MODULE = 'toolkitremote'
+
+SOURCES += [
+    'nsXRemoteService.cpp',
+]
+
+if 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
+    SOURCES += [
+        'nsGTKRemoteService.cpp',
+    ]
+
+FINAL_LIBRARY = 'xul'
+
+CXXFLAGS += CONFIG['TK_CFLAGS']

toolkit/components/remote/nsGTKRemoteService.cpp

@@ -0,0 +1,181 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=8:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsGTKRemoteService.h"
+
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+
+#include "nsIBaseWindow.h"
+#include "nsIDocShell.h"
+#include "nsPIDOMWindow.h"
+#include "mozilla/ModuleUtils.h"
+#include "nsIServiceManager.h"
+#include "nsIWeakReference.h"
+#include "nsIWidget.h"
+#include "nsIAppShellService.h"
+#include "nsAppShellCID.h"
+
+#include "nsCOMPtr.h"
+
+#include "nsGTKToolkit.h"
+
+NS_IMPL_ISUPPORTS(nsGTKRemoteService,
+                  nsIRemoteService,
+                  nsIObserver)
+
+NS_IMETHODIMP
+nsGTKRemoteService::Startup(const char* aAppName, const char* aProfileName)
+{
+  NS_ASSERTION(aAppName, "Don't pass a null appname!");
+  sRemoteImplementation = this;
+
+  if (mServerWindow) return NS_ERROR_ALREADY_INITIALIZED;
+
+  XRemoteBaseStartup(aAppName, aProfileName);
+
+  mServerWindow = gtk_invisible_new();
+  gtk_widget_realize(mServerWindow);
+  HandleCommandsFor(mServerWindow, nullptr);
+
+  for (auto iter = mWindows.Iter(); !iter.Done(); iter.Next()) {
+    HandleCommandsFor(iter.Key(), iter.UserData());
+  }
+
+  return NS_OK;
+}
+
+static nsIWidget* GetMainWidget(nsPIDOMWindowInner* aWindow)
+{
+  // get the native window for this instance
+  nsCOMPtr<nsIBaseWindow> baseWindow
+    (do_QueryInterface(aWindow->GetDocShell()));
+  NS_ENSURE_TRUE(baseWindow, nullptr);
+
+  nsCOMPtr<nsIWidget> mainWidget;
+  baseWindow->GetMainWidget(getter_AddRefs(mainWidget));
+  return mainWidget;
+}
+
+NS_IMETHODIMP
+nsGTKRemoteService::RegisterWindow(mozIDOMWindow* aWindow)
+{
+  nsIWidget* mainWidget = GetMainWidget(nsPIDOMWindowInner::From(aWindow));
+  NS_ENSURE_TRUE(mainWidget, NS_ERROR_FAILURE);
+
+  GtkWidget* widget =
+    (GtkWidget*) mainWidget->GetNativeData(NS_NATIVE_SHELLWIDGET);
+  NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
+
+  nsCOMPtr<nsIWeakReference> weak = do_GetWeakReference(aWindow);
+  NS_ENSURE_TRUE(weak, NS_ERROR_FAILURE);
+
+  mWindows.Put(widget, weak);
+
+  // If Startup() has already been called, immediately register this window.
+  if (mServerWindow) {
+    HandleCommandsFor(widget, weak);
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsGTKRemoteService::Shutdown()
+{
+  if (!mServerWindow)
+    return NS_ERROR_NOT_INITIALIZED;
+
+  gtk_widget_destroy(mServerWindow);
+  mServerWindow = nullptr;
+  return NS_OK;
+}
+
+// Set desktop startup ID to the passed ID, if there is one, so that any created
+// windows get created with the right window manager metadata, and any windows
+// that get new tabs and are activated also get the right WM metadata.
+// The timestamp will be used if there is no desktop startup ID, or if we're
+// raising an existing window rather than showing a new window for the first time.
+void
+nsGTKRemoteService::SetDesktopStartupIDOrTimestamp(const nsACString& aDesktopStartupID,
+                                                   uint32_t aTimestamp) {
+  nsGTKToolkit* toolkit = nsGTKToolkit::GetToolkit();
+  if (!toolkit)
+    return;
+
+  if (!aDesktopStartupID.IsEmpty()) {
+    toolkit->SetDesktopStartupID(aDesktopStartupID);
+  }
+
+  toolkit->SetFocusTimestamp(aTimestamp);
+}
+
+
+void
+nsGTKRemoteService::HandleCommandsFor(GtkWidget* widget,
+                                      nsIWeakReference* aWindow)
+{
+  g_signal_connect(G_OBJECT(widget), "property_notify_event",
+                   G_CALLBACK(HandlePropertyChange), aWindow);
+
+  gtk_widget_add_events(widget, GDK_PROPERTY_CHANGE_MASK);
+
+#if (MOZ_WIDGET_GTK == 2)
+  Window window = GDK_WINDOW_XWINDOW(widget->window);
+#else
+  Window window = gdk_x11_window_get_xid(gtk_widget_get_window(widget));
+#endif
+  nsXRemoteService::HandleCommandsFor(window);
+
+}
+
+gboolean
+nsGTKRemoteService::HandlePropertyChange(GtkWidget *aWidget,
+                                         GdkEventProperty *pevent,
+                                         nsIWeakReference *aThis)
+{
+  if (pevent->state == GDK_PROPERTY_NEW_VALUE) {
+    Atom changedAtom = gdk_x11_atom_to_xatom(pevent->atom);
+
+#if (MOZ_WIDGET_GTK == 2)
+    XID window = GDK_WINDOW_XWINDOW(pevent->window);
+#else
+    XID window = gdk_x11_window_get_xid(gtk_widget_get_window(aWidget));
+#endif
+    return HandleNewProperty(window,
+                             GDK_DISPLAY_XDISPLAY(gdk_display_get_default()),
+                             pevent->time, changedAtom, aThis);
+  }
+  return FALSE;
+}
+
+
+// {C0773E90-5799-4eff-AD03-3EBCD85624AC}
+#define NS_REMOTESERVICE_CID \
+  { 0xc0773e90, 0x5799, 0x4eff, { 0xad, 0x3, 0x3e, 0xbc, 0xd8, 0x56, 0x24, 0xac } }
+
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsGTKRemoteService)
+NS_DEFINE_NAMED_CID(NS_REMOTESERVICE_CID);
+
+static const mozilla::Module::CIDEntry kRemoteCIDs[] = {
+  { &kNS_REMOTESERVICE_CID, false, nullptr, nsGTKRemoteServiceConstructor },
+  { nullptr }
+};
+
+static const mozilla::Module::ContractIDEntry kRemoteContracts[] = {
+  { "@mozilla.org/toolkit/remote-service;1", &kNS_REMOTESERVICE_CID },
+  { nullptr }
+};
+
+static const mozilla::Module kRemoteModule = {
+  mozilla::Module::kVersion,
+  kRemoteCIDs,
+  kRemoteContracts
+};
+
+NSMODULE_DEFN(RemoteServiceModule) = &kRemoteModule;

toolkit/components/remote/nsGTKRemoteService.h

@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=2:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __nsGTKRemoteService_h__
+#define __nsGTKRemoteService_h__
+
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+#include "nsInterfaceHashtable.h"
+#include "nsXRemoteService.h"
+#include "mozilla/Attributes.h"
+
+class nsGTKRemoteService final : public nsXRemoteService
+{
+public:
+  // We will be a static singleton, so don't use the ordinary methods.
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIREMOTESERVICE
+
+
+  nsGTKRemoteService() :
+    mServerWindow(nullptr) { }
+
+private:
+  ~nsGTKRemoteService() { }
+
+  void HandleCommandsFor(GtkWidget* aWidget,
+                         nsIWeakReference* aWindow);
+
+
+  static gboolean HandlePropertyChange(GtkWidget *widget,
+                                       GdkEventProperty *event,
+                                       nsIWeakReference* aThis);
+
+
+  virtual void SetDesktopStartupIDOrTimestamp(const nsACString& aDesktopStartupID,
+                                              uint32_t aTimestamp) override;
+
+  nsInterfaceHashtable<nsPtrHashKey<GtkWidget>, nsIWeakReference> mWindows;
+  GtkWidget* mServerWindow;  
+};
+
+#endif // __nsGTKRemoteService_h__

toolkit/components/remote/nsIRemoteService.idl

@@ -0,0 +1,45 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+interface mozIDOMWindow;
+
+/**
+ * Start and stop the remote service (xremote/phremote), and register
+ * windows with the service for backwards compatibility with old xremote
+ * clients.
+ *
+ * @status FLUID This interface is not frozen and is not intended for embedders
+ *               who want a frozen API. If you are an embedder and need this
+ *               functionality, contact Benjamin Smedberg about the possibility
+ *               of freezing the functionality you need.
+ */
+
+[scriptable, uuid(bf23f1c3-7012-42dd-b0bb-a84060ccc52e)]
+interface nsIRemoteService : nsISupports
+{
+  /**
+   * Start the remote service. This should not be done until app startup
+   * appears to have been successful.
+   *
+   * @param appName     (Required) Sets a window property identifying the
+   *                    application.
+   * @param profileName (May be null) Sets a window property identifying the
+   *                    profile name.
+   */
+  void startup(in string appName, in string profileName);
+
+  /**
+   * Register a XUL window with the xremote service. The window will be
+   * configured to accept incoming remote requests. If this method is called
+   * before startup(), the registration will happen once startup() is called.
+   */
+  void registerWindow(in mozIDOMWindow aWindow);
+
+  /**
+   * Stop the remote service from accepting additional requests.
+   */
+  void shutdown();
+};

toolkit/components/remote/nsXRemoteService.cpp

@@ -0,0 +1,324 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=8:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/ArrayUtils.h"
+
+#include "nsXRemoteService.h"
+#include "nsIObserverService.h"
+#include "nsCOMPtr.h"
+#include "nsIServiceManager.h"
+#include "nsICommandLineRunner.h"
+#include "nsICommandLine.h"
+
+#include "nsIBaseWindow.h"
+#include "nsIDocShell.h"
+#include "nsIFile.h"
+#include "nsIServiceManager.h"
+#include "nsIWeakReference.h"
+#include "nsIWidget.h"
+#include "nsIAppShellService.h"
+#include "nsAppShellCID.h"
+#include "nsPIDOMWindow.h"
+#include "mozilla/X11Util.h"
+
+#include "nsCOMPtr.h"
+#include "nsString.h"
+#include "prprf.h"
+#include "prenv.h"
+#include "nsCRT.h"
+
+#include "nsXULAppAPI.h"
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+using namespace mozilla;
+
+#define MOZILLA_VERSION_PROP   "_MOZILLA_VERSION"
+#define MOZILLA_LOCK_PROP      "_MOZILLA_LOCK"
+#define MOZILLA_RESPONSE_PROP  "_MOZILLA_RESPONSE"
+#define MOZILLA_USER_PROP      "_MOZILLA_USER"
+#define MOZILLA_PROFILE_PROP   "_MOZILLA_PROFILE"
+#define MOZILLA_PROGRAM_PROP   "_MOZILLA_PROGRAM"
+#define MOZILLA_COMMANDLINE_PROP "_MOZILLA_COMMANDLINE"
+
+const unsigned char kRemoteVersion[] = "5.1";
+
+#ifdef IS_BIG_ENDIAN
+#define TO_LITTLE_ENDIAN32(x) \
+    ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
+    (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
+#else
+#define TO_LITTLE_ENDIAN32(x) (x)
+#endif
+
+// Minimize the roundtrips to the X server by getting all the atoms at once
+static const char *XAtomNames[] = {
+  MOZILLA_VERSION_PROP,
+  MOZILLA_LOCK_PROP,
+  MOZILLA_RESPONSE_PROP,
+  MOZILLA_USER_PROP,
+  MOZILLA_PROFILE_PROP,
+  MOZILLA_PROGRAM_PROP,
+  MOZILLA_COMMANDLINE_PROP
+};
+static Atom XAtoms[MOZ_ARRAY_LENGTH(XAtomNames)];
+
+Atom nsXRemoteService::sMozVersionAtom;
+Atom nsXRemoteService::sMozLockAtom;
+Atom nsXRemoteService::sMozResponseAtom;
+Atom nsXRemoteService::sMozUserAtom;
+Atom nsXRemoteService::sMozProfileAtom;
+Atom nsXRemoteService::sMozProgramAtom;
+Atom nsXRemoteService::sMozCommandLineAtom;
+
+nsXRemoteService * nsXRemoteService::sRemoteImplementation = 0;
+
+
+static bool
+FindExtensionParameterInCommand(const char* aParameterName,
+                                const nsACString& aCommand,
+                                char aSeparator,
+                                nsACString* aValue)
+{
+  nsAutoCString searchFor;
+  searchFor.Append(aSeparator);
+  searchFor.Append(aParameterName);
+  searchFor.Append('=');
+
+  nsACString::const_iterator start, end;
+  aCommand.BeginReading(start);
+  aCommand.EndReading(end);
+  if (!FindInReadable(searchFor, start, end))
+    return false;
+
+  nsACString::const_iterator charStart, charEnd;
+  charStart = end;
+  aCommand.EndReading(charEnd);
+  nsACString::const_iterator idStart = charStart, idEnd;
+  if (FindCharInReadable(aSeparator, charStart, charEnd)) {
+    idEnd = charStart;
+  } else {
+    idEnd = charEnd;
+  }
+  *aValue = nsDependentCSubstring(idStart, idEnd);
+  return true;
+}
+
+
+nsXRemoteService::nsXRemoteService()
+{    
+}
+
+void
+nsXRemoteService::XRemoteBaseStartup(const char *aAppName, const char *aProfileName)
+{
+    EnsureAtoms();
+
+    mAppName = aAppName;
+    ToLowerCase(mAppName);
+
+    mProfileName = aProfileName;
+
+    nsCOMPtr<nsIObserverService> obs(do_GetService("@mozilla.org/observer-service;1"));
+    if (obs) {
+      obs->AddObserver(this, "xpcom-shutdown", false);
+      obs->AddObserver(this, "quit-application", false);
+    }
+}
+
+void 
+nsXRemoteService::HandleCommandsFor(Window aWindowId)
+{
+  // set our version
+  XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozVersionAtom, XA_STRING,
+                  8, PropModeReplace, kRemoteVersion, sizeof(kRemoteVersion) - 1);
+
+  // get our username
+  unsigned char *logname;
+  logname = (unsigned char*) PR_GetEnv("LOGNAME");
+  if (logname) {
+    // set the property on the window if it's available
+    XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozUserAtom, XA_STRING,
+                    8, PropModeReplace, logname, strlen((char*) logname));
+  }
+
+  XChangeProperty(mozilla::DefaultXDisplay(), aWindowId, sMozProgramAtom, XA_STRING,
+                  8, PropModeReplace, (unsigned char*) mAppName.get(), mAppName.Length());
+
+  if (!mProfileName.IsEmpty()) {
+    XChangeProperty(mozilla::DefaultXDisplay(),
+                    aWindowId, sMozProfileAtom, XA_STRING,
+                    8, PropModeReplace,
+                    (unsigned char*) mProfileName.get(), mProfileName.Length());
+  }
+
+}
+
+NS_IMETHODIMP
+nsXRemoteService::Observe(nsISupports* aSubject,
+                          const char *aTopic,
+                          const char16_t *aData)
+{
+  // This can be xpcom-shutdown or quit-application, but it's the same either
+  // way.
+  Shutdown();
+  return NS_OK;
+}
+
+bool
+nsXRemoteService::HandleNewProperty(XID aWindowId, Display* aDisplay,
+                                    Time aEventTime,
+                                    Atom aChangedAtom,
+                                    nsIWeakReference* aDomWindow)
+{
+
+  nsCOMPtr<nsIDOMWindow> window (do_QueryReferent(aDomWindow));
+
+  if (aChangedAtom == sMozCommandLineAtom) {
+    // We got a new command atom.
+    int result;
+    Atom actual_type;
+    int actual_format;
+    unsigned long nitems, bytes_after;
+    char *data = 0;
+
+    result = XGetWindowProperty (aDisplay,
+                                 aWindowId,
+                                 aChangedAtom,
+                                 0,                        /* long_offset */
+                                 (65536 / sizeof (long)),  /* long_length */
+                                 True,                     /* atomic delete after */
+                                 XA_STRING,                /* req_type */
+                                 &actual_type,             /* actual_type return */
+                                 &actual_format,           /* actual_format_return */
+                                 &nitems,                  /* nitems_return */
+                                 &bytes_after,             /* bytes_after_return */
+                                 (unsigned char **)&data); /* prop_return
+                                                              (we only care
+                                                              about the first ) */
+
+    // Failed to get property off the window?
+    if (result != Success)
+      return false;
+
+    // Failed to get the data off the window or it was the wrong type?
+    if (!data || !TO_LITTLE_ENDIAN32(*reinterpret_cast<int32_t*>(data)))
+      return false;
+
+    // cool, we got the property data.
+    const char *response = HandleCommandLine(data, window, aEventTime);
+
+    // put the property onto the window as the response
+    XChangeProperty (aDisplay, aWindowId,
+                     sMozResponseAtom, XA_STRING,
+                     8, PropModeReplace,
+                     (const unsigned char *)response,
+                     strlen (response));
+    XFree(data);
+    return true;
+  }
+
+  else if (aChangedAtom == sMozResponseAtom) {
+    // client accepted the response.  party on wayne.
+    return true;
+  }
+
+  else if (aChangedAtom == sMozLockAtom) {
+    // someone locked the window
+    return true;
+  }
+
+  return false;
+}
+
+const char*
+nsXRemoteService::HandleCommandLine(char* aBuffer, nsIDOMWindow* aWindow,
+                                    uint32_t aTimestamp)
+{
+  nsresult rv;
+
+  nsCOMPtr<nsICommandLineRunner> cmdline
+    (do_CreateInstance("@mozilla.org/toolkit/command-line;1", &rv));
+  if (NS_FAILED(rv))
+    return "509 internal error";
+
+  // the commandline property is constructed as an array of int32_t
+  // followed by a series of null-terminated strings:
+  //
+  // [argc][offsetargv0][offsetargv1...]<workingdir>\0<argv[0]>\0argv[1]...\0
+  // (offset is from the beginning of the buffer)
+
+  int32_t argc = TO_LITTLE_ENDIAN32(*reinterpret_cast<int32_t*>(aBuffer));
+  char *wd   = aBuffer + ((argc + 1) * sizeof(int32_t));
+
+  nsCOMPtr<nsIFile> lf;
+  rv = NS_NewNativeLocalFile(nsDependentCString(wd), true,
+                             getter_AddRefs(lf));
+  if (NS_FAILED(rv))
+    return "509 internal error";
+
+  nsAutoCString desktopStartupID;
+
+  char **argv = (char**) malloc(sizeof(char*) * argc);
+  if (!argv) return "509 internal error";
+
+  int32_t  *offset = reinterpret_cast<int32_t*>(aBuffer) + 1;
+
+  for (int i = 0; i < argc; ++i) {
+    argv[i] = aBuffer + TO_LITTLE_ENDIAN32(offset[i]);
+
+    if (i == 0) {
+      nsDependentCString cmd(argv[0]);
+      FindExtensionParameterInCommand("DESKTOP_STARTUP_ID",
+                                      cmd, ' ',
+                                      &desktopStartupID);
+    }
+  }
+
+  rv = cmdline->Init(argc, argv, lf, nsICommandLine::STATE_REMOTE_AUTO);
+
+  free (argv);
+  if (NS_FAILED(rv)) {
+    return "509 internal error";
+  }
+
+  if (aWindow)
+    cmdline->SetWindowContext(aWindow);
+
+  if (sRemoteImplementation)
+    sRemoteImplementation->SetDesktopStartupIDOrTimestamp(desktopStartupID, aTimestamp);
+
+  rv = cmdline->Run();
+
+  if (NS_ERROR_ABORT == rv)
+    return "500 command not parseable";
+
+  if (NS_FAILED(rv))
+    return "509 internal error";
+
+  return "200 executed command";
+}
+
+void
+nsXRemoteService::EnsureAtoms(void)
+{
+  if (sMozVersionAtom)
+    return;
+
+  XInternAtoms(mozilla::DefaultXDisplay(), const_cast<char**>(XAtomNames),
+               ArrayLength(XAtomNames), False, XAtoms);
+
+  int i = 0;
+  sMozVersionAtom     = XAtoms[i++];
+  sMozLockAtom        = XAtoms[i++];
+  sMozResponseAtom    = XAtoms[i++];
+  sMozUserAtom        = XAtoms[i++];
+  sMozProfileAtom     = XAtoms[i++];
+  sMozProgramAtom     = XAtoms[i++];
+  sMozCommandLineAtom = XAtoms[i++];
+}

toolkit/components/remote/nsXRemoteService.h

@@ -0,0 +1,62 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=8:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef NSXREMOTESERVICE_H
+#define NSXREMOTESERVICE_H
+
+#include "nsString.h"
+
+#include "nsIRemoteService.h"
+#include "nsIObserver.h"
+#include <X11/Xlib.h>
+#include <X11/X.h>
+
+class nsIDOMWindow;
+class nsIWeakReference;
+
+/**
+  Base class for GTK/Qt remote service
+*/
+class nsXRemoteService : public nsIRemoteService,
+                         public nsIObserver
+{
+public:
+    NS_DECL_NSIOBSERVER
+
+
+protected:
+    nsXRemoteService();
+
+    static bool HandleNewProperty(Window aWindowId,Display* aDisplay,
+                                    Time aEventTime, Atom aChangedAtom,
+                                    nsIWeakReference* aDomWindow);
+    
+    void XRemoteBaseStartup(const char *aAppName, const char *aProfileName);
+
+    void HandleCommandsFor(Window aWindowId);
+    static nsXRemoteService *sRemoteImplementation;
+private:
+    void EnsureAtoms();
+    static const char* HandleCommandLine(char* aBuffer, nsIDOMWindow* aWindow,
+                                         uint32_t aTimestamp);
+
+    virtual void SetDesktopStartupIDOrTimestamp(const nsACString& aDesktopStartupID,
+                                                uint32_t aTimestamp) = 0;
+
+    nsCString mAppName;
+    nsCString mProfileName;
+
+    static Atom sMozVersionAtom;
+    static Atom sMozLockAtom;
+    static Atom sMozResponseAtom;
+    static Atom sMozUserAtom;
+    static Atom sMozProfileAtom;
+    static Atom sMozProgramAtom;
+    static Atom sMozCommandLineAtom;
+};
+
+#endif // NSXREMOTESERVICE_H