gio/gapplicationimpl-dbus.c

   1 /*
   2  * Copyright © 2010 Codethink Limited
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General
  15  * Public License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  *
  19  * Authors: Ryan Lortie <desrt@desrt.ca>
  20  */
  21
  22 #include "gapplicationimpl.h"
  23
  24 #include "gactiongroup.h"
  25 #include "gactiongroupexporter.h"
  26 #include "gdbusactiongroup.h"
  27 #include "gapplication.h"
  28 #include "gfile.h"
  29 #include "gdbusconnection.h"
  30 #include "gdbusintrospection.h"
  31 #include "gdbuserror.h"
  32 #include "gmenuexporter.h"
  33
  34 #include <string.h>
  35 #include <stdio.h>
  36
  37 #include "gapplicationcommandline.h"
  38 #include "gdbusmethodinvocation.h"
  39
  40 G_GNUC_INTERNAL gboolean
  41 g_dbus_action_group_sync (GDBusActionGroup  *group,
  42                           GCancellable      *cancellable,
  43                           GError           **error);
  44
  45
  46 /* DBus Interface definition {{{1 */
  47 static const gchar org_gtk_Application_xml[] =
  48   "<node>"
  49   "  <interface name='org.gtk.Application'>"
  50   "    <method name='Activate'>"
  51   "      <arg type='a{sv}' name='platform-data' direction='in'/>"
  52   "    </method>"
  53   "    <method name='Open'>"
  54   "      <arg type='as' name='uris' direction='in'/>"
  55   "      <arg type='s' name='hint' direction='in'/>"
  56   "      <arg type='a{sv}' name='platform-data' direction='in'/>"
  57   "    </method>"
  58   "    <method name='CommandLine'>"
  59   "      <arg type='o' name='path' direction='in'/>"
  60   "      <arg type='aay' name='arguments' direction='in'/>"
  61   "      <arg type='a{sv}' name='platform-data' direction='in'/>"
  62   "      <arg type='i' name='exit-status' direction='out'/>"
  63   "    </method>"
  64   "    <property name='AppMenu' type='ao' access='read'/>"
  65   "    <property name='MenuBar' type='ao' access='read'/>"
  66   "  </interface>"
  67   "</node>";
  68
  69 static GDBusInterfaceInfo *org_gtk_Application;
  70
  71 static const gchar org_gtk_private_CommandLine_xml[] =
  72   "<node>"
  73   "  <interface name='org.gtk.private.CommandLine'>"
  74   "    <method name='Print'>"
  75   "      <arg type='s' name='message' direction='in'/>"
  76   "    </method>"
  77   "    <method name='PrintError'>"
  78   "      <arg type='s' name='message' direction='in'/>"
  79   "    </method>"
  80   "  </interface>"
  81   "</node>";
  82
  83 static GDBusInterfaceInfo *org_gtk_private_CommandLine;
  84
  85 /* GApplication implementation {{{1 */
  86 struct _GApplicationImpl
  87 {
  88   GDBusConnection *session_bus;
  89   const gchar     *bus_name;
  90
  91   gchar           *object_path;
  92   guint            object_id;
  93   guint            actions_id;
  94
  95   gchar           *app_menu_path;
  96   guint            app_menu_id;
  97
  98   gchar           *menubar_path;
  99   guint            menubar_id;
 100
 101   gboolean         properties_live;
 102   gboolean         primary;
 103   gpointer         app;
 104 };
 105
 106
 107 static GApplicationCommandLine *
 108 g_dbus_command_line_new (GDBusMethodInvocation *invocation);
 109
 110
 111 static void
 112 g_application_impl_method_call (GDBusConnection       *connection,
 113                                 const gchar           *sender,
 114                                 const gchar           *object_path,
 115                                 const gchar           *interface_name,
 116                                 const gchar           *method_name,
 117                                 GVariant              *parameters,
 118                                 GDBusMethodInvocation *invocation,
 119                                 gpointer               user_data)
 120 {
 121   GApplicationImpl *impl = user_data;
 122   GApplicationClass *class;
 123
 124   class = G_APPLICATION_GET_CLASS (impl->app);
 125
 126   if (strcmp (method_name, "Activate") == 0)
 127     {
 128       GVariant *platform_data;
 129
 130       g_variant_get (parameters, "(@a{sv})", &platform_data);
 131       class->before_emit (impl->app, platform_data);
 132       g_signal_emit_by_name (impl->app, "activate");
 133       class->after_emit (impl->app, platform_data);
 134       g_variant_unref (platform_data);
 135
 136       g_dbus_method_invocation_return_value (invocation, NULL);
 137     }
 138
 139   else if (strcmp (method_name, "Open") == 0)
 140     {
 141       GVariant *platform_data;
 142       const gchar *hint;
 143       GVariant *array;
 144       GFile **files;
 145       gint n, i;
 146
 147       g_variant_get (parameters, "(@ass@a{sv})",
 148                      &array, &hint, &platform_data);
 149
 150       n = g_variant_n_children (array);
 151       files = g_new (GFile *, n + 1);
 152
 153       for (i = 0; i < n; i++)
 154         {
 155           const gchar *uri;
 156
 157           g_variant_get_child (array, i, "&s", &uri);
 158           files[i] = g_file_new_for_uri (uri);
 159         }
 160       g_variant_unref (array);
 161       files[n] = NULL;
 162
 163       class->before_emit (impl->app, platform_data);
 164       g_signal_emit_by_name (impl->app, "open", files, n, hint);
 165       class->after_emit (impl->app, platform_data);
 166
 167       g_variant_unref (platform_data);
 168
 169       for (i = 0; i < n; i++)
 170         g_object_unref (files[i]);
 171       g_free (files);
 172
 173       g_dbus_method_invocation_return_value (invocation, NULL);
 174     }
 175
 176   else if (strcmp (method_name, "CommandLine") == 0)
 177     {
 178       GApplicationCommandLine *cmdline;
 179       GVariant *platform_data;
 180       int status;
 181
 182       cmdline = g_dbus_command_line_new (invocation);
 183       platform_data = g_variant_get_child_value (parameters, 2);
 184       class->before_emit (impl->app, platform_data);
 185       g_signal_emit_by_name (impl->app, "command-line", cmdline, &status);
 186       g_application_command_line_set_exit_status (cmdline, status);
 187       class->after_emit (impl->app, platform_data);
 188       g_variant_unref (platform_data);
 189       g_object_unref (cmdline);
 190     }
 191   else
 192     g_assert_not_reached ();
 193 }
 194
 195 static GVariant *
 196 g_application_impl_get_property (GDBusConnection  *connection,
 197                                  const gchar      *sender,
 198                                  const gchar      *object_path,
 199                                  const gchar      *interface_name,
 200                                  const gchar      *property_name,
 201                                  GError          **error,
 202                                  gpointer          user_data)
 203 {
 204   GApplicationImpl *impl = user_data;
 205   GVariantBuilder builder;
 206
 207   /* We use this boolean to detect if the properties have ever been
 208    * queried before.  If they have not been queried, then there is no
 209    * point emitting change signals since nobody is watching anyway.
 210    */
 211   impl->properties_live = TRUE;
 212
 213   g_variant_builder_init (&builder, G_VARIANT_TYPE_OBJECT_PATH_ARRAY);
 214
 215   if (g_str_equal (property_name, "AppMenu"))
 216     {
 217       if (impl->app_menu_path != NULL)
 218         g_variant_builder_add (&builder, "o", impl->app_menu_path);
 219     }
 220
 221   else if (g_str_equal (property_name, "MenuBar"))
 222     {
 223       if (impl->menubar_path != NULL)
 224         g_variant_builder_add (&builder, "o", impl->menubar_path);
 225     }
 226
 227   else
 228     g_assert_not_reached ();
 229
 230   return g_variant_builder_end (&builder);
 231 }
 232
 233 static gchar *
 234 application_path_from_appid (const gchar *appid)
 235 {
 236   gchar *appid_path, *iter;
 237
 238   appid_path = g_strconcat ("/", appid, NULL);
 239   for (iter = appid_path; *iter; iter++)
 240     {
 241       if (*iter == '.')
 242         *iter = '/';
 243
 244       if (*iter == '-')
 245         *iter = '_';
 246     }
 247
 248   return appid_path;
 249 }
 250
 251 static void
 252 g_application_impl_publish_menu (GApplicationImpl  *impl,
 253                                  const gchar       *type,
 254                                  GMenuModel        *model,
 255                                  guint             *id,
 256                                  gchar            **path)
 257 {
 258   gint i;
 259
 260   /* unexport any existing menu */
 261   if (*id)
 262     {
 263       g_dbus_connection_unexport_menu_model (impl->session_bus, *id);
 264       g_free (*path);
 265       *path = NULL;
 266       *id = 0;
 267     }
 268
 269   /* export the new menu, if there is one */
 270   if (model != NULL)
 271     {
 272       /* try getting the preferred name */
 273       *path = g_strconcat (impl->object_path, "/menus/", type, NULL);
 274       *id = g_dbus_connection_export_menu_model (impl->session_bus, *path, model, NULL);
 275
 276       /* keep trying until we get a working name... */
 277       for (i = 0; *id == 0; i++)
 278         {
 279           g_free (*path);
 280           *path = g_strdup_printf ("%s/menus/%s%d", impl->object_path, type, i);
 281           *id = g_dbus_connection_export_menu_model (impl->session_bus, *path, model, NULL);
 282         }
 283     }
 284
 285   /* notify for changes, if needed */
 286   if (impl->properties_live)
 287     {
 288       GVariantBuilder builder;
 289
 290       g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
 291       g_variant_builder_add (&builder, "{sv}", type, g_variant_new_objv ((const gchar **) path, *path != NULL));
 292       g_dbus_connection_emit_signal (impl->session_bus, NULL, impl->object_path,
 293                                      "org.freedesktop.DBus.Properties", "PropertiesChanged",
 294                                      g_variant_new ("(sa{sv}as)", "org.gtk.Actions", &builder, NULL), NULL);
 295     }
 296 }
 297
 298 static void
 299 g_application_impl_app_menu_changed (GObject    *source,
 300                                      GParamSpec *pspec,
 301                                      gpointer    user_data)
 302 {
 303   GApplicationImpl *impl = user_data;
 304
 305   g_assert (source == impl->app);
 306
 307   g_application_impl_publish_menu (impl, "AppMenu", g_application_get_app_menu (impl->app),
 308                                    &impl->app_menu_id, &impl->app_menu_path);
 309 }
 310
 311 static void
 312 g_application_impl_menubar_changed (GObject    *source,
 313                                     GParamSpec *pspec,
 314                                     gpointer    user_data)
 315 {
 316   GApplicationImpl *impl = user_data;
 317
 318   g_assert (source == impl->app);
 319
 320   g_application_impl_publish_menu (impl, "MenuBar", g_application_get_menubar (impl->app),
 321                                    &impl->menubar_id, &impl->menubar_path);
 322 }
 323
 324 /* Attempt to become the primary instance.
 325  *
 326  * Returns %TRUE if everything went OK, regardless of if we became the
 327  * primary instance or not.  %FALSE is reserved for when something went
 328  * seriously wrong (and @error will be set too, in that case).
 329  *
 330  * After a %TRUE return, impl->primary will be TRUE if we were
 331  * successful.
 332  */
 333 static gboolean
 334 g_application_impl_attempt_primary (GApplicationImpl  *impl,
 335                                     GCancellable      *cancellable,
 336                                     GError           **error)
 337 {
 338   const static GDBusInterfaceVTable vtable = {
 339     g_application_impl_method_call,
 340     g_application_impl_get_property
 341   };
 342   GVariant *reply;
 343   guint32 rval;
 344
 345   if (org_gtk_Application == NULL)
 346     {
 347       GError *error = NULL;
 348       GDBusNodeInfo *info;
 349
 350       info = g_dbus_node_info_new_for_xml (org_gtk_Application_xml, &error);
 351       if G_UNLIKELY (info == NULL)
 352         g_error ("%s", error->message);
 353       org_gtk_Application = g_dbus_node_info_lookup_interface (info, "org.gtk.Application");
 354       g_assert (org_gtk_Application != NULL);
 355       g_dbus_interface_info_ref (org_gtk_Application);
 356       g_dbus_node_info_unref (info);
 357     }
 358
 359   /* We could possibly have been D-Bus activated as a result of incoming
 360    * requests on either the application or actiongroup interfaces.
 361    * Because of how GDBus dispatches messages, we need to ensure that
 362    * both of those things are registered before we attempt to request
 363    * our name.
 364    *
 365    * The action group need not be populated yet, as long as it happens
 366    * before we return to the mainloop.  The reason for that is because
 367    * GDBus does the check to make sure the object exists from the worker
 368    * thread but doesn't actually dispatch the action invocation until we
 369    * hit the mainloop in this thread.  There is also no danger of
 370    * receiving 'activate' or 'open' signals until after 'startup' runs,
 371    * for the same reason.
 372    */
 373   impl->object_id = g_dbus_connection_register_object (impl->session_bus, impl->object_path,
 374                                                        org_gtk_Application, &vtable, impl, NULL, error);
 375
 376   if (impl->object_id == 0)
 377     return FALSE;
 378
 379   impl->actions_id = g_dbus_connection_export_action_group (impl->session_bus, impl->object_path, impl->app, error);
 380
 381   if (impl->actions_id == 0)
 382     return FALSE;
 383
 384   /* DBUS_NAME_FLAG_DO_NOT_QUEUE: 0x4 */
 385   reply = g_dbus_connection_call_sync (impl->session_bus, "org.freedesktop.DBus", "/org/freedesktop/DBus",
 386                                        "org.freedesktop.DBus", "RequestName",
 387                                        g_variant_new ("(su)", impl->bus_name, 0x4), G_VARIANT_TYPE ("(u)"),
 388                                        0, -1, cancellable, error);
 389
 390   if (reply == NULL)
 391     return FALSE;
 392
 393   g_variant_get (reply, "(u)", &rval);
 394   g_variant_unref (reply);
 395
 396   /* DBUS_REQUEST_NAME_REPLY_EXISTS: 3 */
 397   impl->primary = (rval != 3);
 398
 399   if (impl->primary)
 400     {
 401       g_signal_connect (impl->app, "notify::app-menu", G_CALLBACK (g_application_impl_app_menu_changed), impl);
 402       g_signal_connect (impl->app, "notify::menubar", G_CALLBACK (g_application_impl_menubar_changed), impl);
 403       g_application_impl_app_menu_changed (impl->app, NULL, impl);
 404       g_application_impl_menubar_changed (impl->app, NULL, impl);
 405     }
 406
 407   return TRUE;
 408 }
 409
 410 /* Stop doing the things that the primary instance does.
 411  *
 412  * This should be called if attempting to become the primary instance
 413  * failed (in order to clean up any partial success) and should also
 414  * be called when freeing the GApplication.
 415  *
 416  * It is safe to call this multiple times.
 417  */
 418 static void
 419 g_application_impl_stop_primary (GApplicationImpl *impl)
 420 {
 421   if (impl->object_id)
 422     {
 423       g_dbus_connection_unregister_object (impl->session_bus, impl->object_id);
 424       impl->object_id = 0;
 425     }
 426
 427   if (impl->actions_id)
 428     {
 429       g_dbus_connection_unexport_action_group (impl->session_bus, impl->actions_id);
 430       impl->actions_id = 0;
 431     }
 432
 433   if (impl->primary)
 434     {
 435       g_signal_handlers_disconnect_by_func (impl->app, g_application_impl_app_menu_changed, impl);
 436       g_signal_handlers_disconnect_by_func (impl->app, g_application_impl_menubar_changed, impl);
 437
 438       g_dbus_connection_call (impl->session_bus, "org.freedesktop.DBus",
 439                               "/org/freedesktop/DBus", "org.freedesktop.DBus",
 440                               "ReleaseName", g_variant_new ("(s)", impl->bus_name),
 441                               NULL, G_DBUS_CALL_FLAGS_NONE, -1, NULL, NULL, NULL);
 442       impl->primary = FALSE;
 443     }
 444
 445   if (impl->app_menu_id)
 446     {
 447       g_dbus_connection_unexport_menu_model (impl->session_bus, impl->app_menu_id);
 448       g_free (impl->app_menu_path);
 449       impl->app_menu_path = NULL;
 450       impl->app_menu_id = 0;
 451     }
 452
 453   if (impl->menubar_id)
 454     {
 455       g_dbus_connection_unexport_menu_model (impl->session_bus, impl->menubar_id);
 456       g_free (impl->menubar_path);
 457       impl->menubar_path = NULL;
 458       impl->menubar_id = 0;
 459     }
 460 }
 461
 462 void
 463 g_application_impl_destroy (GApplicationImpl *impl)
 464 {
 465   g_application_impl_stop_primary (impl);
 466
 467   if (impl->session_bus)
 468     g_object_unref (impl->session_bus);
 469
 470   g_free (impl->object_path);
 471
 472   g_slice_free (GApplicationImpl, impl);
 473 }
 474
 475 GApplicationImpl *
 476 g_application_impl_register (GApplication       *application,
 477                              const gchar        *appid,
 478                              GApplicationFlags   flags,
 479                              GActionGroup      **remote_actions,
 480                              GCancellable       *cancellable,
 481                              GError            **error)
 482 {
 483   GDBusActionGroup *actions;
 484   GApplicationImpl *impl;
 485
 486   impl = g_slice_new0 (GApplicationImpl);
 487
 488   impl->app = application;
 489   impl->bus_name = appid;
 490
 491   impl->session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, cancellable, NULL);
 492
 493   if (impl->session_bus == NULL)
 494     {
 495       /* If we can't connect to the session bus, proceed as a normal
 496        * non-unique application.
 497        */
 498       *remote_actions = NULL;
 499       return impl;
 500     }
 501
 502   impl->object_path = application_path_from_appid (appid);
 503
 504   /* Only try to be the primary instance if
 505    * G_APPLICATION_IS_LAUNCHER was not specified.
 506    */
 507   if (~flags & G_APPLICATION_IS_LAUNCHER)
 508     {
 509       if (!g_application_impl_attempt_primary (impl, cancellable, error))
 510         {
 511           g_application_impl_destroy (impl);
 512           return NULL;
 513         }
 514
 515       if (impl->primary)
 516         return impl;
 517
 518       /* We didn't make it.  Drop our service-side stuff. */
 519       g_application_impl_stop_primary (impl);
 520
 521       if (flags & G_APPLICATION_IS_SERVICE)
 522         {
 523           g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED,
 524                        "Unable to acquire bus name `%s'", appid);
 525           g_application_impl_destroy (impl);
 526
 527           return NULL;
 528         }
 529     }
 530
 531   /* We are non-primary.  Try to get the primary's list of actions.
 532    * This also serves as a mechanism to ensure that the primary exists
 533    * (ie: DBus service files installed correctly, etc).
 534    */
 535   actions = g_dbus_action_group_get (impl->session_bus, impl->bus_name, impl->object_path);
 536   if (!g_dbus_action_group_sync (actions, cancellable, error))
 537     {
 538       /* The primary appears not to exist.  Fail the registration. */
 539       g_application_impl_destroy (impl);
 540       g_object_unref (actions);
 541
 542       return NULL;
 543     }
 544
 545   *remote_actions = G_ACTION_GROUP (actions);
 546
 547   return impl;
 548 }
 549
 550 void
 551 g_application_impl_activate (GApplicationImpl *impl,
 552                              GVariant         *platform_data)
 553 {
 554   g_dbus_connection_call (impl->session_bus,
 555                           impl->bus_name,
 556                           impl->object_path,
 557                           "org.gtk.Application",
 558                           "Activate",
 559                           g_variant_new ("(@a{sv})", platform_data),
 560                           NULL, 0, -1, NULL, NULL, NULL);
 561 }
 562
 563 void
 564 g_application_impl_open (GApplicationImpl  *impl,
 565                          GFile            **files,
 566                          gint               n_files,
 567                          const gchar       *hint,
 568                          GVariant          *platform_data)
 569 {
 570   GVariantBuilder builder;
 571   gint i;
 572
 573   g_variant_builder_init (&builder, G_VARIANT_TYPE ("(assa{sv})"));
 574   g_variant_builder_open (&builder, G_VARIANT_TYPE_STRING_ARRAY);
 575   for (i = 0; i < n_files; i++)
 576     {
 577       gchar *uri = g_file_get_uri (files[i]);
 578       g_variant_builder_add (&builder, "s", uri);
 579       g_free (uri);
 580     }
 581   g_variant_builder_close (&builder);
 582   g_variant_builder_add (&builder, "s", hint);
 583   g_variant_builder_add_value (&builder, platform_data);
 584
 585   g_dbus_connection_call (impl->session_bus,
 586                           impl->bus_name,
 587                           impl->object_path,
 588                           "org.gtk.Application",
 589                           "Open",
 590                           g_variant_builder_end (&builder),
 591                           NULL, 0, -1, NULL, NULL, NULL);
 592 }
 593
 594 static void
 595 g_application_impl_cmdline_method_call (GDBusConnection       *connection,
 596                                         const gchar           *sender,
 597                                         const gchar           *object_path,
 598                                         const gchar           *interface_name,
 599                                         const gchar           *method_name,
 600                                         GVariant              *parameters,
 601                                         GDBusMethodInvocation *invocation,
 602                                         gpointer               user_data)
 603 {
 604   const gchar *message;
 605
 606   g_variant_get_child (parameters, 0, "&s", &message);
 607
 608   if (strcmp (method_name, "Print") == 0)
 609     g_print ("%s", message);
 610   else if (strcmp (method_name, "PrintError") == 0)
 611     g_printerr ("%s", message);
 612   else
 613     g_assert_not_reached ();
 614
 615   g_dbus_method_invocation_return_value (invocation, NULL);
 616 }
 617
 618 typedef struct
 619 {
 620   GMainLoop *loop;
 621   int status;
 622 } CommandLineData;
 623
 624 static void
 625 g_application_impl_cmdline_done (GObject      *source,
 626                                  GAsyncResult *result,
 627                                  gpointer      user_data)
 628 {
 629   CommandLineData *data = user_data;
 630   GError *error = NULL;
 631   GVariant *reply;
 632
 633   reply = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source),
 634                                          result, &error);
 635
 636   if (reply != NULL)
 637     {
 638       g_variant_get (reply, "(i)", &data->status);
 639       g_variant_unref (reply);
 640     }
 641
 642   else
 643     {
 644       g_printerr ("%s\n", error->message);
 645       g_error_free (error);
 646       data->status = 1;
 647     }
 648
 649   g_main_loop_quit (data->loop);
 650 }
 651
 652 int
 653 g_application_impl_command_line (GApplicationImpl  *impl,
 654                                  gchar            **arguments,
 655                                  GVariant          *platform_data)
 656 {
 657   const static GDBusInterfaceVTable vtable = {
 658     g_application_impl_cmdline_method_call
 659   };
 660   const gchar *object_path = "/org/gtk/Application/CommandLine";
 661   GMainContext *context;
 662   CommandLineData data;
 663   guint object_id;
 664
 665   context = g_main_context_new ();
 666   data.loop = g_main_loop_new (context, FALSE);
 667   g_main_context_push_thread_default (context);
 668
 669   if (org_gtk_private_CommandLine == NULL)
 670     {
 671       GError *error = NULL;
 672       GDBusNodeInfo *info;
 673
 674       info = g_dbus_node_info_new_for_xml (org_gtk_private_CommandLine_xml, &error);
 675       if G_UNLIKELY (info == NULL)
 676         g_error ("%s", error->message);
 677       org_gtk_private_CommandLine = g_dbus_node_info_lookup_interface (info, "org.gtk.private.CommandLine");
 678       g_assert (org_gtk_private_CommandLine != NULL);
 679       g_dbus_interface_info_ref (org_gtk_private_CommandLine);
 680       g_dbus_node_info_unref (info);
 681     }
 682
 683   object_id = g_dbus_connection_register_object (impl->session_bus, object_path,
 684                                                  org_gtk_private_CommandLine,
 685                                                  &vtable, &data, NULL, NULL);
 686   /* In theory we should try other paths... */
 687   g_assert (object_id != 0);
 688
 689   g_dbus_connection_call (impl->session_bus,
 690                           impl->bus_name,
 691                           impl->object_path,
 692                           "org.gtk.Application",
 693                           "CommandLine",
 694                           g_variant_new ("(o^aay@a{sv})", object_path,
 695                                          arguments, platform_data),
 696                           G_VARIANT_TYPE ("(i)"), 0, G_MAXINT, NULL,
 697                           g_application_impl_cmdline_done, &data);
 698
 699   g_main_loop_run (data.loop);
 700
 701   g_main_context_pop_thread_default (context);
 702   g_main_context_unref (context);
 703   g_main_loop_unref (data.loop);
 704
 705   return data.status;
 706 }
 707
 708 void
 709 g_application_impl_flush (GApplicationImpl *impl)
 710 {
 711   if (impl->session_bus)
 712     g_dbus_connection_flush_sync (impl->session_bus, NULL, NULL);
 713 }
 714
 715
 716 /* GDBusCommandLine implementation {{{1 */
 717
 718 typedef GApplicationCommandLineClass GDBusCommandLineClass;
 719 static GType g_dbus_command_line_get_type (void);
 720 typedef struct
 721 {
 722   GApplicationCommandLine  parent_instance;
 723   GDBusMethodInvocation   *invocation;
 724
 725   GDBusConnection *connection;
 726   const gchar     *bus_name;
 727   const gchar     *object_path;
 728 } GDBusCommandLine;
 729
 730
 731 G_DEFINE_TYPE (GDBusCommandLine,
 732                g_dbus_command_line,
 733                G_TYPE_APPLICATION_COMMAND_LINE)
 734
 735 static void
 736 g_dbus_command_line_print_literal (GApplicationCommandLine *cmdline,
 737                                    const gchar             *message)
 738 {
 739   GDBusCommandLine *gdbcl = (GDBusCommandLine *) cmdline;
 740
 741   g_dbus_connection_call (gdbcl->connection,
 742                           gdbcl->bus_name,
 743                           gdbcl->object_path,
 744                           "org.gtk.private.CommandLine", "Print",
 745                           g_variant_new ("(s)", message),
 746                           NULL, 0, -1, NULL, NULL, NULL);
 747 }
 748
 749 static void
 750 g_dbus_command_line_printerr_literal (GApplicationCommandLine *cmdline,
 751                                       const gchar             *message)
 752 {
 753   GDBusCommandLine *gdbcl = (GDBusCommandLine *) cmdline;
 754
 755   g_dbus_connection_call (gdbcl->connection,
 756                           gdbcl->bus_name,
 757                           gdbcl->object_path,
 758                           "org.gtk.private.CommandLine", "PrintError",
 759                           g_variant_new ("(s)", message),
 760                           NULL, 0, -1, NULL, NULL, NULL);
 761 }
 762
 763 static void
 764 g_dbus_command_line_finalize (GObject *object)
 765 {
 766   GApplicationCommandLine *cmdline = G_APPLICATION_COMMAND_LINE (object);
 767   GDBusCommandLine *gdbcl = (GDBusCommandLine *) object;
 768   gint status;
 769
 770   status = g_application_command_line_get_exit_status (cmdline);
 771
 772   g_dbus_method_invocation_return_value (gdbcl->invocation,
 773                                          g_variant_new ("(i)", status));
 774   g_object_unref (gdbcl->invocation);
 775
 776   G_OBJECT_CLASS (g_dbus_command_line_parent_class)
 777     ->finalize (object);
 778 }
 779
 780 static void
 781 g_dbus_command_line_init (GDBusCommandLine *gdbcl)
 782 {
 783 }
 784
 785 static void
 786 g_dbus_command_line_class_init (GApplicationCommandLineClass *class)
 787 {
 788   GObjectClass *object_class = G_OBJECT_CLASS (class);
 789
 790   object_class->finalize = g_dbus_command_line_finalize;
 791   class->printerr_literal = g_dbus_command_line_printerr_literal;
 792   class->print_literal = g_dbus_command_line_print_literal;
 793 }
 794
 795 static GApplicationCommandLine *
 796 g_dbus_command_line_new (GDBusMethodInvocation *invocation)
 797 {
 798   GDBusCommandLine *gdbcl;
 799   GVariant *args;
 800
 801   args = g_dbus_method_invocation_get_parameters (invocation);
 802
 803   gdbcl = g_object_new (g_dbus_command_line_get_type (),
 804                         "arguments", g_variant_get_child_value (args, 1),
 805                         "platform-data", g_variant_get_child_value (args, 2),
 806                         NULL);
 807   gdbcl->connection = g_dbus_method_invocation_get_connection (invocation);
 808   gdbcl->bus_name = g_dbus_method_invocation_get_sender (invocation);
 809   g_variant_get_child (args, 0, "&o", &gdbcl->object_path);
 810   gdbcl->invocation = g_object_ref (invocation);
 811
 812   return G_APPLICATION_COMMAND_LINE (gdbcl);
 813 }
 814
 815 /* Epilogue {{{1 */
 816
 817 /* vim:set foldmethod=marker: */