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 "gapplication.h"
  27 #include "gfile.h"
  28 #include "gdbusconnection.h"
  29 #include "gdbusintrospection.h"
  30 #include "gdbuserror.h"
  31
  32 #include <string.h>
  33 #include <stdio.h>
  34
  35 #include "gapplicationcommandline.h"
  36 #include "gdbusmethodinvocation.h"
  37
  38 /* DBus Interface definition {{{1 */
  39 static const GDBusArgInfo platform_data_arg = { -1, (gchar *) "platform_data", (gchar *) "a{sv}" };
  40
  41 static const GDBusArgInfo open_uris_arg = { -1, (gchar *) "uris", (gchar *) "as" };
  42 static const GDBusArgInfo open_hint_arg = { -1, (gchar *) "hint", (gchar *) "s" };
  43
  44 static const GDBusArgInfo invoke_action_name_arg = { -1, (gchar *) "name", (gchar *) "s" };
  45 static const GDBusArgInfo invoke_action_args_arg = { -1, (gchar *) "args", (gchar *) "v" };
  46
  47 static const GDBusArgInfo cmdline_path_arg = { -1, (gchar *) "path", (gchar *) "o" };
  48 static const GDBusArgInfo cmdline_arguments_arg = { -1, (gchar *) "arguments", (gchar *) "aay" };
  49 static const GDBusArgInfo cmdline_exit_status_arg = { -1, (gchar *) "exit_status", (gchar *) "i" };
  50
  51 static const GDBusArgInfo *activate_in[] = { &platform_data_arg, NULL };
  52 static const GDBusArgInfo *activate_out[] = { NULL };
  53
  54 static const GDBusArgInfo *open_in[] = { &open_uris_arg, &open_hint_arg, &platform_data_arg, NULL };
  55 static const GDBusArgInfo *open_out[] = { NULL };
  56
  57 static const GDBusArgInfo *cmdline_in[] = { &cmdline_path_arg, &cmdline_arguments_arg, &platform_data_arg, NULL };
  58 static const GDBusArgInfo *cmdline_out[] = { &cmdline_exit_status_arg, NULL };
  59
  60 static const GDBusMethodInfo activate_method = {
  61   -1, (gchar *) "Activate",
  62   (GDBusArgInfo **) activate_in,
  63   (GDBusArgInfo **) activate_out
  64 };
  65
  66 static const GDBusMethodInfo open_method = {
  67   -1, (gchar *) "Open",
  68   (GDBusArgInfo **) open_in,
  69   (GDBusArgInfo **) open_out
  70 };
  71
  72 static const GDBusMethodInfo command_line_method = {
  73   -1, (gchar *) "CommandLine",
  74   (GDBusArgInfo **) cmdline_in,
  75   (GDBusArgInfo **) cmdline_out
  76 };
  77
  78 static const GDBusMethodInfo *application_methods[] = {
  79   &activate_method, &open_method, &command_line_method, NULL
  80 };
  81
  82 const GDBusInterfaceInfo org_gtk_Application = {
  83   -1, (gchar *) "org.gtk.Application",
  84   (GDBusMethodInfo **) application_methods
  85 };
  86
  87 static const GDBusArgInfo message_arg = { -1, (gchar *) "message", (gchar *) "s" };
  88 static const GDBusArgInfo *print_in[] = { &message_arg, NULL };
  89 static const GDBusArgInfo *print_out[] = { NULL };
  90
  91 static const GDBusMethodInfo stdout_method = {
  92   -1, (gchar *) "Print",
  93   (GDBusArgInfo **) print_in,
  94   (GDBusArgInfo **) print_out
  95 };
  96
  97 static const GDBusMethodInfo stderr_method = {
  98   -1, (gchar *) "PrintError",
  99   (GDBusArgInfo **) print_in,
 100   (GDBusArgInfo **) print_out
 101 };
 102
 103 static const GDBusMethodInfo *cmdline_methods[] = {
 104   &stdout_method, &stderr_method, NULL
 105 };
 106
 107 const GDBusInterfaceInfo org_gtk_private_Cmdline = {
 108   -1, (gchar *) "org.gtk.private.CommandLine",
 109   (GDBusMethodInfo **) cmdline_methods
 110 };
 111
 112 /* GApplication implementation {{{1 */
 113 struct _GApplicationImpl
 114 {
 115   GDBusConnection *session_bus;
 116   const gchar     *bus_name;
 117   gchar           *object_path;
 118   guint            object_id;
 119   gboolean         actions_exported;
 120   gpointer         app;
 121
 122   GHashTable      *actions;
 123   guint            signal_id;
 124 };
 125
 126
 127 static GApplicationCommandLine *
 128 g_dbus_command_line_new (GDBusMethodInvocation *invocation);
 129
 130
 131 static void
 132 g_application_impl_method_call (GDBusConnection       *connection,
 133                                 const gchar           *sender,
 134                                 const gchar           *object_path,
 135                                 const gchar           *interface_name,
 136                                 const gchar           *method_name,
 137                                 GVariant              *parameters,
 138                                 GDBusMethodInvocation *invocation,
 139                                 gpointer               user_data)
 140 {
 141   GApplicationImpl *impl = user_data;
 142   GApplicationClass *class;
 143
 144   class = G_APPLICATION_GET_CLASS (impl->app);
 145
 146   if (strcmp (method_name, "Activate") == 0)
 147     {
 148       GVariant *platform_data;
 149
 150       g_variant_get (parameters, "(@a{sv})", &platform_data);
 151       class->before_emit (impl->app, platform_data);
 152       g_signal_emit_by_name (impl->app, "activate");
 153       class->after_emit (impl->app, platform_data);
 154       g_variant_unref (platform_data);
 155
 156       g_dbus_method_invocation_return_value (invocation, NULL);
 157     }
 158
 159   else if (strcmp (method_name, "Open") == 0)
 160     {
 161       GVariant *platform_data;
 162       const gchar *hint;
 163       GVariant *array;
 164       GFile **files;
 165       gint n, i;
 166
 167       g_variant_get (parameters, "(@ass@a{sv})",
 168                      &array, &hint, &platform_data);
 169
 170       n = g_variant_n_children (array);
 171       files = g_new (GFile *, n + 1);
 172
 173       for (i = 0; i < n; i++)
 174         {
 175           const gchar *uri;
 176
 177           g_variant_get_child (array, i, "&s", &uri);
 178           files[i] = g_file_new_for_uri (uri);
 179         }
 180       g_variant_unref (array);
 181       files[n] = NULL;
 182
 183       class->before_emit (impl->app, platform_data);
 184       g_signal_emit_by_name (impl->app, "open", files, n, hint);
 185       class->after_emit (impl->app, platform_data);
 186
 187       g_variant_unref (platform_data);
 188
 189       for (i = 0; i < n; i++)
 190         g_object_unref (files[i]);
 191       g_free (files);
 192
 193       g_dbus_method_invocation_return_value (invocation, NULL);
 194     }
 195
 196   else if (strcmp (method_name, "CommandLine") == 0)
 197     {
 198       GApplicationCommandLine *cmdline;
 199       GVariant *platform_data;
 200       int status;
 201
 202       cmdline = g_dbus_command_line_new (invocation);
 203       platform_data = g_variant_get_child_value (parameters, 2);
 204       class->before_emit (impl->app, platform_data);
 205       g_signal_emit_by_name (impl->app, "command-line", cmdline, &status);
 206       g_application_command_line_set_exit_status (cmdline, status);
 207       class->after_emit (impl->app, platform_data);
 208       g_variant_unref (platform_data);
 209       g_object_unref (cmdline);
 210     }
 211   else
 212     g_assert_not_reached ();
 213 }
 214
 215 static gchar *
 216 application_path_from_appid (const gchar *appid)
 217 {
 218   gchar *appid_path, *iter;
 219
 220   appid_path = g_strconcat ("/", appid, NULL);
 221   for (iter = appid_path; *iter; iter++)
 222     {
 223       if (*iter == '.')
 224         *iter = '/';
 225
 226       if (*iter == '-')
 227         *iter = '_';
 228     }
 229
 230   return appid_path;
 231 }
 232
 233 void
 234 g_application_impl_destroy (GApplicationImpl *impl)
 235 {
 236   if (impl->session_bus)
 237     {
 238       if (impl->object_id)
 239         g_dbus_connection_unregister_object (impl->session_bus,
 240                                              impl->object_id);
 241       if (impl->actions_exported)
 242         g_action_group_exporter_stop (impl->app);
 243
 244       g_dbus_connection_call (impl->session_bus,
 245                               "org.freedesktop.DBus",
 246                               "/org/freedesktop/DBus",
 247                               "org.freedesktop.DBus",
 248                               "ReleaseName",
 249                               g_variant_new ("(s)",
 250                                              impl->bus_name),
 251                               NULL,
 252                               G_DBUS_CALL_FLAGS_NONE,
 253                               -1, NULL, NULL, NULL);
 254
 255       g_object_unref (impl->session_bus);
 256       g_free (impl->object_path);
 257     }
 258   else
 259     {
 260       g_assert (impl->object_path == NULL);
 261       g_assert (impl->object_id == 0);
 262     }
 263
 264   g_slice_free (GApplicationImpl, impl);
 265 }
 266
 267 static void
 268 remote_action_info_free (gpointer user_data)
 269 {
 270   RemoteActionInfo *info = user_data;
 271
 272   g_free (info->name);
 273
 274   if (info->state)
 275     g_variant_unref (info->state);
 276
 277   if (info->parameter_type)
 278     g_variant_type_free (info->parameter_type);
 279
 280   g_slice_free (RemoteActionInfo, info);
 281 }
 282
 283 static RemoteActionInfo *
 284 remote_action_info_new_from_iter (GVariantIter *iter)
 285 {
 286   RemoteActionInfo *info;
 287   const gchar *param_str;
 288   gboolean enabled;
 289   GVariant *state;
 290   gchar *name;
 291
 292   if (!g_variant_iter_next (iter, "{&s(bg@av)}", &name,
 293                             &enabled, &param_str, &state))
 294     return NULL;
 295
 296   info = g_slice_new (RemoteActionInfo);
 297   info->name = name;
 298   info->enabled = enabled;
 299
 300   if (g_variant_n_children (state))
 301     g_variant_get_child (state, 0, "v", &info->state);
 302   else
 303     info->state = NULL;
 304   g_variant_unref (state);
 305
 306   if (param_str[0])
 307     info->parameter_type = g_variant_type_copy ((GVariantType *) param_str);
 308   else
 309     info->parameter_type = NULL;
 310
 311   return info;
 312 }
 313
 314 static void
 315 g_application_impl_action_signal (GDBusConnection *connection,
 316                                   const gchar     *sender_name,
 317                                   const gchar     *object_path,
 318                                   const gchar     *interface_name,
 319                                   const gchar     *signal_name,
 320                                   GVariant        *parameters,
 321                                   gpointer         user_data)
 322 {
 323   GApplicationImpl *impl = user_data;
 324   GActionGroup *action_group;
 325
 326   action_group = G_ACTION_GROUP (impl->app);
 327
 328   if (g_str_equal (signal_name, "Changed") &&
 329       g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(asa{sb}a{sv}a{s(bgav)})")))
 330     {
 331       /* Removes */
 332       {
 333         GVariantIter *iter;
 334         const gchar *name;
 335
 336         g_variant_get_child (parameters, 0, "as", &iter);
 337         while (g_variant_iter_next (iter, "&s", &name))
 338           {
 339             if (g_hash_table_lookup (impl->actions, name))
 340               {
 341                 g_hash_table_remove (impl->actions, name);
 342                 g_action_group_action_removed (action_group, name);
 343               }
 344           }
 345         g_variant_iter_free (iter);
 346       }
 347
 348       /* Enable changes */
 349       {
 350         GVariantIter *iter;
 351         const gchar *name;
 352         gboolean enabled;
 353
 354         g_variant_get_child (parameters, 1, "a{sb}", &iter);
 355         while (g_variant_iter_next (iter, "{&sb}", &name, &enabled))
 356           {
 357             RemoteActionInfo *info;
 358
 359             info = g_hash_table_lookup (impl->actions, name);
 360
 361             if (info && info->enabled != enabled)
 362               {
 363                 info->enabled = enabled;
 364                 g_action_group_action_enabled_changed (action_group,
 365                                                        name, enabled);
 366               }
 367           }
 368         g_variant_iter_free (iter);
 369       }
 370
 371       /* State changes */
 372       {
 373         GVariantIter *iter;
 374         const gchar *name;
 375         GVariant *state;
 376
 377         g_variant_get_child (parameters, 2, "a{sv}", &iter);
 378         while (g_variant_iter_next (iter, "{&sv}", &name, &state))
 379           {
 380             RemoteActionInfo *info;
 381
 382             info = g_hash_table_lookup (impl->actions, name);
 383
 384             if (info && info->state && !g_variant_equal (state, info->state) &&
 385                 g_variant_is_of_type (state, g_variant_get_type (info->state)))
 386               {
 387                 g_variant_unref (info->state);
 388                 info->state = g_variant_ref (state);
 389
 390                 g_action_group_action_state_changed (action_group, name, state);
 391               }
 392
 393             g_variant_unref (state);
 394           }
 395         g_variant_iter_free (iter);
 396       }
 397
 398       /* Additions */
 399       {
 400         RemoteActionInfo *info;
 401         GVariantIter *iter;
 402
 403         g_variant_get_child (parameters, 3, "a{s(bgav)}", &iter);
 404         while ((info = remote_action_info_new_from_iter (iter)))
 405           {
 406             if (!g_hash_table_lookup (impl->actions, info->name))
 407               g_hash_table_replace (impl->actions, info->name, info);
 408             else
 409               remote_action_info_free (info);
 410           }
 411       }
 412     }
 413 }
 414
 415 GApplicationImpl *
 416 g_application_impl_register (GApplication       *application,
 417                              const gchar        *appid,
 418                              GApplicationFlags   flags,
 419                              GHashTable        **remote_actions,
 420                              GCancellable       *cancellable,
 421                              GError            **error)
 422 {
 423   const static GDBusInterfaceVTable vtable = {
 424     g_application_impl_method_call
 425   };
 426   GApplicationImpl *impl;
 427   GVariant *reply;
 428   guint32 rval;
 429
 430   impl = g_slice_new0 (GApplicationImpl);
 431
 432   impl->app = application;
 433   impl->bus_name = appid;
 434
 435   impl->session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, cancellable, NULL);
 436
 437   if (impl->session_bus == NULL)
 438     {
 439       /* If we can't connect to the session bus, proceed as a normal
 440        * non-unique application.
 441        */
 442       *remote_actions = NULL;
 443       return impl;
 444     }
 445
 446   impl->object_path = application_path_from_appid (appid);
 447
 448   /* Only try to be the primary instance if
 449    * G_APPLICATION_IS_LAUNCHER was not specified.
 450    */
 451   if (~flags & G_APPLICATION_IS_LAUNCHER)
 452     {
 453       /* Attempt to become primary instance. */
 454       impl->object_id =
 455         g_dbus_connection_register_object (impl->session_bus,
 456                                            impl->object_path,
 457                                            (GDBusInterfaceInfo *)
 458                                              &org_gtk_Application,
 459                                            &vtable, impl, NULL, error);
 460
 461       if (impl->object_id == 0)
 462         {
 463           g_object_unref (impl->session_bus);
 464           g_free (impl->object_path);
 465           impl->session_bus = NULL;
 466           impl->object_path = NULL;
 467
 468           g_slice_free (GApplicationImpl, impl);
 469           return NULL;
 470         }
 471
 472       if (!g_action_group_exporter_export (impl->session_bus,
 473                                            impl->object_path,
 474                                            impl->app, error))
 475         {
 476           g_dbus_connection_unregister_object (impl->session_bus,
 477                                                impl->object_id);
 478
 479           g_object_unref (impl->session_bus);
 480           g_free (impl->object_path);
 481           impl->session_bus = NULL;
 482           impl->object_path = NULL;
 483
 484           g_slice_free (GApplicationImpl, impl);
 485           return NULL;
 486         }
 487       impl->actions_exported = TRUE;
 488
 489       /* DBUS_NAME_FLAG_DO_NOT_QUEUE: 0x4 */
 490       reply = g_dbus_connection_call_sync (impl->session_bus,
 491                                            "org.freedesktop.DBus",
 492                                            "/org/freedesktop/DBus",
 493                                            "org.freedesktop.DBus",
 494                                            "RequestName",
 495                                            g_variant_new ("(su)",
 496                                                           impl->bus_name,
 497                                                           0x4),
 498                                            G_VARIANT_TYPE ("(u)"),
 499                                            0, -1, cancellable, error);
 500
 501       if (reply == NULL)
 502         {
 503           g_dbus_connection_unregister_object (impl->session_bus,
 504                                                impl->object_id);
 505           impl->object_id = 0;
 506
 507           g_action_group_exporter_stop (impl->app);
 508           impl->actions_exported = FALSE;
 509
 510           g_object_unref (impl->session_bus);
 511           g_free (impl->object_path);
 512           impl->session_bus = NULL;
 513           impl->object_path = NULL;
 514
 515           g_slice_free (GApplicationImpl, impl);
 516           return NULL;
 517         }
 518
 519       g_variant_get (reply, "(u)", &rval);
 520       g_variant_unref (reply);
 521
 522       /* DBUS_REQUEST_NAME_REPLY_EXISTS: 3 */
 523       if (rval != 3)
 524         {
 525           /* We are the primary instance. */
 526           g_dbus_connection_emit_signal (impl->session_bus,
 527                                          NULL,
 528                                          impl->object_path,
 529                                          "org.gtk.Application",
 530                                          "Hello",
 531                                          g_variant_new ("(s)",
 532                                                         impl->bus_name),
 533                                          NULL);
 534           *remote_actions = NULL;
 535           return impl;
 536         }
 537
 538       /* We didn't make it.  Drop our service-side stuff. */
 539       g_dbus_connection_unregister_object (impl->session_bus,
 540                                            impl->object_id);
 541       impl->object_id = 0;
 542       g_action_group_exporter_stop (impl->app);
 543       impl->actions_exported = FALSE;
 544
 545       if (flags & G_APPLICATION_IS_SERVICE)
 546         {
 547           g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED,
 548                        "Unable to acquire bus name `%s'", appid);
 549           g_object_unref (impl->session_bus);
 550           g_free (impl->object_path);
 551
 552           g_slice_free (GApplicationImpl, impl);
 553           return NULL;
 554         }
 555     }
 556
 557   /* We are non-primary.  Try to get the primary's list of actions.
 558    * This also serves as a mechanism to ensure that the primary exists
 559    * (ie: DBus service files installed correctly, etc).
 560    */
 561   impl->signal_id =
 562     g_dbus_connection_signal_subscribe (impl->session_bus, impl->bus_name,
 563                                         "org.gtk.Actions", NULL,
 564                                         impl->object_path, NULL,
 565                                         G_DBUS_SIGNAL_FLAGS_NONE,
 566                                         g_application_impl_action_signal,
 567                                         impl, NULL);
 568
 569   reply = g_dbus_connection_call_sync (impl->session_bus, impl->bus_name,
 570                                        impl->object_path, "org.gtk.Actions",
 571                                        "DescribeAll", NULL,
 572                                        G_VARIANT_TYPE ("(a{s(bgav)})"),
 573                                        G_DBUS_CALL_FLAGS_NONE, -1,
 574                                        cancellable, error);
 575
 576   if (reply == NULL)
 577     {
 578       /* The primary appears not to exist.  Fail the registration. */
 579       g_object_unref (impl->session_bus);
 580       g_free (impl->object_path);
 581       impl->session_bus = NULL;
 582       impl->object_path = NULL;
 583
 584       g_slice_free (GApplicationImpl, impl);
 585       return NULL;
 586     }
 587
 588   /* Create and populate the hashtable */
 589   {
 590     RemoteActionInfo *info;
 591     GVariant *descriptions;
 592     GVariantIter iter;
 593
 594     impl->actions = g_hash_table_new_full (g_str_hash, g_str_equal,
 595                                            NULL, remote_action_info_free);
 596     descriptions = g_variant_get_child_value (reply, 0);
 597     g_variant_iter_init (&iter, descriptions);
 598
 599     while ((info = remote_action_info_new_from_iter (&iter)))
 600       g_hash_table_replace (impl->actions, info->name, info);
 601
 602     g_variant_unref (descriptions);
 603
 604     *remote_actions = impl->actions;
 605   }
 606
 607   return impl;
 608 }
 609
 610 void
 611 g_application_impl_activate (GApplicationImpl *impl,
 612                              GVariant         *platform_data)
 613 {
 614   g_dbus_connection_call (impl->session_bus,
 615                           impl->bus_name,
 616                           impl->object_path,
 617                           "org.gtk.Application",
 618                           "Activate",
 619                           g_variant_new ("(@a{sv})", platform_data),
 620                           NULL, 0, -1, NULL, NULL, NULL);
 621 }
 622
 623 void
 624 g_application_impl_open (GApplicationImpl  *impl,
 625                          GFile            **files,
 626                          gint               n_files,
 627                          const gchar       *hint,
 628                          GVariant          *platform_data)
 629 {
 630   GVariantBuilder builder;
 631   gint i;
 632
 633   g_variant_builder_init (&builder, G_VARIANT_TYPE ("(assa{sv})"));
 634   g_variant_builder_open (&builder, G_VARIANT_TYPE_STRING_ARRAY);
 635   for (i = 0; i < n_files; i++)
 636     {
 637       gchar *uri = g_file_get_uri (files[i]);
 638       g_variant_builder_add (&builder, "s", uri);
 639       g_free (uri);
 640     }
 641   g_variant_builder_close (&builder);
 642   g_variant_builder_add (&builder, "s", hint);
 643   g_variant_builder_add_value (&builder, platform_data);
 644
 645   g_dbus_connection_call (impl->session_bus,
 646                           impl->bus_name,
 647                           impl->object_path,
 648                           "org.gtk.Application",
 649                           "Open",
 650                           g_variant_builder_end (&builder),
 651                           NULL, 0, -1, NULL, NULL, NULL);
 652 }
 653
 654 static void
 655 g_application_impl_cmdline_method_call (GDBusConnection       *connection,
 656                                         const gchar           *sender,
 657                                         const gchar           *object_path,
 658                                         const gchar           *interface_name,
 659                                         const gchar           *method_name,
 660                                         GVariant              *parameters,
 661                                         GDBusMethodInvocation *invocation,
 662                                         gpointer               user_data)
 663 {
 664   const gchar *message;
 665
 666   g_variant_get_child (parameters, 0, "&s", &message);
 667
 668   if (strcmp (method_name, "Print") == 0)
 669     g_print ("%s", message);
 670   else if (strcmp (method_name, "PrintError") == 0)
 671     g_printerr ("%s", message);
 672   else
 673     g_assert_not_reached ();
 674
 675   g_dbus_method_invocation_return_value (invocation, NULL);
 676 }
 677
 678 typedef struct
 679 {
 680   GMainLoop *loop;
 681   int status;
 682 } CommandLineData;
 683
 684 static void
 685 g_application_impl_cmdline_done (GObject      *source,
 686                                  GAsyncResult *result,
 687                                  gpointer      user_data)
 688 {
 689   CommandLineData *data = user_data;
 690   GError *error = NULL;
 691   GVariant *reply;
 692
 693   reply = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source),
 694                                          result, &error);
 695
 696   if (reply != NULL)
 697     {
 698       g_variant_get (reply, "(i)", &data->status);
 699       g_variant_unref (reply);
 700     }
 701
 702   else
 703     {
 704       g_printerr ("%s\n", error->message);
 705       g_error_free (error);
 706       data->status = 1;
 707     }
 708
 709   g_main_loop_quit (data->loop);
 710 }
 711
 712 int
 713 g_application_impl_command_line (GApplicationImpl  *impl,
 714                                  gchar            **arguments,
 715                                  GVariant          *platform_data)
 716 {
 717   const static GDBusInterfaceVTable vtable = {
 718     g_application_impl_cmdline_method_call
 719   };
 720   const gchar *object_path = "/org/gtk/Application/CommandLine";
 721   GMainContext *context;
 722   CommandLineData data;
 723   guint object_id;
 724
 725   context = g_main_context_new ();
 726   data.loop = g_main_loop_new (context, FALSE);
 727   g_main_context_push_thread_default (context);
 728
 729   object_id = g_dbus_connection_register_object (impl->session_bus,
 730                                                  object_path,
 731                                                  (GDBusInterfaceInfo *)
 732                                                    &org_gtk_private_Cmdline,
 733                                                  &vtable, &data, NULL, NULL);
 734   /* In theory we should try other paths... */
 735   g_assert (object_id != 0);
 736
 737   g_dbus_connection_call (impl->session_bus,
 738                           impl->bus_name,
 739                           impl->object_path,
 740                           "org.gtk.Application",
 741                           "CommandLine",
 742                           g_variant_new ("(o^aay@a{sv})", object_path,
 743                                          arguments, platform_data),
 744                           G_VARIANT_TYPE ("(i)"), 0, G_MAXINT, NULL,
 745                           g_application_impl_cmdline_done, &data);
 746
 747   g_main_loop_run (data.loop);
 748
 749   g_main_context_pop_thread_default (context);
 750   g_main_context_unref (context);
 751   g_main_loop_unref (data.loop);
 752
 753   return data.status;
 754 }
 755
 756 void
 757 g_application_impl_change_action_state (GApplicationImpl *impl,
 758                                         const gchar      *action_name,
 759                                         GVariant         *value,
 760                                         GVariant         *platform_data)
 761 {
 762   g_dbus_connection_call (impl->session_bus,
 763                           impl->bus_name,
 764                           impl->object_path,
 765                           "org.gtk.Actions",
 766                           "SetState",
 767                           g_variant_new ("(sv@a{sv})", action_name,
 768                                          value, platform_data),
 769                           NULL, 0, -1, NULL, NULL, NULL);
 770 }
 771
 772 void
 773 g_application_impl_activate_action (GApplicationImpl *impl,
 774                                     const gchar      *action_name,
 775                                     GVariant         *parameter,
 776                                     GVariant         *platform_data)
 777 {
 778   GVariant *param;
 779
 780   if (parameter)
 781     parameter = g_variant_new_variant (parameter);
 782
 783   param = g_variant_new_array (G_VARIANT_TYPE_VARIANT,
 784                                &parameter, parameter != NULL);
 785
 786   g_dbus_connection_call (impl->session_bus,
 787                           impl->bus_name,
 788                           impl->object_path,
 789                           "org.gtk.Actions",
 790                           "Activate",
 791                           g_variant_new ("(s@av@a{sv})", action_name,
 792                                          param, platform_data),
 793                           NULL, 0, -1, NULL, NULL, NULL);
 794 }
 795
 796 void
 797 g_application_impl_flush (GApplicationImpl *impl)
 798 {
 799   if (impl->session_bus)
 800     g_dbus_connection_flush_sync (impl->session_bus, NULL, NULL);
 801 }
 802
 803
 804 /* GDBusCommandLine implementation {{{1 */
 805
 806 typedef GApplicationCommandLineClass GDBusCommandLineClass;
 807 static GType g_dbus_command_line_get_type (void);
 808 typedef struct
 809 {
 810   GApplicationCommandLine  parent_instance;
 811   GDBusMethodInvocation   *invocation;
 812
 813   GDBusConnection *connection;
 814   const gchar     *bus_name;
 815   const gchar     *object_path;
 816 } GDBusCommandLine;
 817
 818
 819 G_DEFINE_TYPE (GDBusCommandLine,
 820                g_dbus_command_line,
 821                G_TYPE_APPLICATION_COMMAND_LINE)
 822
 823 static void
 824 g_dbus_command_line_print_literal (GApplicationCommandLine *cmdline,
 825                                    const gchar             *message)
 826 {
 827   GDBusCommandLine *gdbcl = (GDBusCommandLine *) cmdline;
 828
 829   g_dbus_connection_call (gdbcl->connection,
 830                           gdbcl->bus_name,
 831                           gdbcl->object_path,
 832                           "org.gtk.private.CommandLine", "Print",
 833                           g_variant_new ("(s)", message),
 834                           NULL, 0, -1, NULL, NULL, NULL);
 835 }
 836
 837 static void
 838 g_dbus_command_line_printerr_literal (GApplicationCommandLine *cmdline,
 839                                       const gchar             *message)
 840 {
 841   GDBusCommandLine *gdbcl = (GDBusCommandLine *) cmdline;
 842
 843   g_dbus_connection_call (gdbcl->connection,
 844                           gdbcl->bus_name,
 845                           gdbcl->object_path,
 846                           "org.gtk.private.CommandLine", "PrintError",
 847                           g_variant_new ("(s)", message),
 848                           NULL, 0, -1, NULL, NULL, NULL);
 849 }
 850
 851 static void
 852 g_dbus_command_line_finalize (GObject *object)
 853 {
 854   GApplicationCommandLine *cmdline = G_APPLICATION_COMMAND_LINE (object);
 855   GDBusCommandLine *gdbcl = (GDBusCommandLine *) object;
 856   gint status;
 857
 858   status = g_application_command_line_get_exit_status (cmdline);
 859
 860   g_dbus_method_invocation_return_value (gdbcl->invocation,
 861                                          g_variant_new ("(i)", status));
 862   g_object_unref (gdbcl->invocation);
 863
 864   G_OBJECT_CLASS (g_dbus_command_line_parent_class)
 865     ->finalize (object);
 866 }
 867
 868 static void
 869 g_dbus_command_line_init (GDBusCommandLine *gdbcl)
 870 {
 871 }
 872
 873 static void
 874 g_dbus_command_line_class_init (GApplicationCommandLineClass *class)
 875 {
 876   GObjectClass *object_class = G_OBJECT_CLASS (class);
 877
 878   object_class->finalize = g_dbus_command_line_finalize;
 879   class->printerr_literal = g_dbus_command_line_printerr_literal;
 880   class->print_literal = g_dbus_command_line_print_literal;
 881 }
 882
 883 static GApplicationCommandLine *
 884 g_dbus_command_line_new (GDBusMethodInvocation *invocation)
 885 {
 886   GDBusCommandLine *gdbcl;
 887   GVariant *args;
 888
 889   args = g_dbus_method_invocation_get_parameters (invocation);
 890
 891   gdbcl = g_object_new (g_dbus_command_line_get_type (),
 892                         "arguments", g_variant_get_child_value (args, 1),
 893                         "platform-data", g_variant_get_child_value (args, 2),
 894                         NULL);
 895   gdbcl->connection = g_dbus_method_invocation_get_connection (invocation);
 896   gdbcl->bus_name = g_dbus_method_invocation_get_sender (invocation);
 897   g_variant_get_child (args, 0, "&o", &gdbcl->object_path);
 898   gdbcl->invocation = g_object_ref (invocation);
 899
 900   return G_APPLICATION_COMMAND_LINE (gdbcl);
 901 }
 902
 903 /* Epilogue {{{1 */
 904
 905 /* vim:set foldmethod=marker: */