2 * Copyright © 2013 Canonical Limited
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 2.1 of the License, or (at your option) any later version.
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.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 * Author: Ryan Lortie <desrt@desrt.ca>
22 #include <gio/gdesktopappinfo.h>
24 #include <glib/gi18n.h>
34 const gchar *description;
35 const gchar *synopsis;
41 const gchar *description;
44 static const struct help_topic topics[] = {
45 { "help", N_("Print help"),
49 { "version", N_("Print version"),
50 N_("Print version information and exit"),
53 { "list-apps", N_("List applications"),
54 N_("List the installed D-Bus activatable applications (by .desktop files)"),
57 { "launch", N_("Launch an application"),
58 N_("Launch the application (with optional files to open)"),
61 { "action", N_("Activate an action"),
62 N_("Invoke an action on the application"),
63 N_("APPID ACTION [PARAMETER]")
65 { "list-actions", N_("List available actions"),
66 N_("List static actions for an application (from .desktop file)"),
71 static const struct help_substvar substvars[] = {
72 { N_("COMMAND"), N_("The command to print detailed help for") },
73 { N_("APPID"), N_("Application identifier in D-Bus format (eg: org.example.viewer)") },
74 { N_("FILE"), N_("Optional relative or absolute filenames, or URIs to open") },
75 { N_("ACTION"), N_("The action name to invoke") },
76 { N_("PARAMETER"), N_("Optional parameter to the action invocation, in GVariant format") }
80 app_help (gboolean requested,
83 const struct help_topic *topic = NULL;
86 string = g_string_new (NULL);
92 for (i = 0; i < G_N_ELEMENTS (topics); i++)
93 if (g_str_equal (topics[i].command, command))
98 g_string_printf (string, _("Unknown command %s\n\n"), command);
103 g_string_append (string, _("Usage:\n"));
110 g_string_append_printf (string, "\n %s %s %s\n\n", "gapplication",
111 topic->command, topic->synopsis ? _(topic->synopsis) : "");
112 g_string_append_printf (string, "%s\n\n", _(topic->description));
116 g_string_append (string, _("Arguments:\n"));
119 for (i = 0; i < G_N_ELEMENTS (substvars); i++)
120 if (strstr (topic->synopsis, substvars[i].var))
121 maxwidth = MAX(maxwidth, strlen (_(substvars[i].var)));
123 for (i = 0; i < G_N_ELEMENTS (substvars); i++)
124 if (strstr (topic->synopsis, substvars[i].var))
125 g_string_append_printf (string, " %-*.*s %s\n", maxwidth, maxwidth,
126 _(substvars[i].var), _(substvars[i].description));
127 g_string_append (string, "\n");
135 g_string_append_printf (string, "\n %s %s %s\n\n", "gapplication", _("COMMAND"), _("[ARGS…]"));
136 g_string_append_printf (string, _("Commands:\n"));
139 for (i = 0; i < G_N_ELEMENTS (topics); i++)
140 maxwidth = MAX(maxwidth, strlen (topics[i].command));
142 for (i = 0; i < G_N_ELEMENTS (topics); i++)
143 g_string_append_printf (string, " %-*.*s %s\n", maxwidth, maxwidth,
144 topics[i].command, _(topics[i].summary));
146 g_string_append (string, "\n");
147 /* Translators: do not translate 'help', but please translate 'COMMAND'. */
148 g_string_append_printf (string, _("Use “%s help COMMAND” to get detailed help.\n\n"), "gapplication");
152 g_print ("%s", string->str);
154 g_printerr ("%s\n", string->str);
156 g_string_free (string, TRUE);
158 return requested ? 0 : 1;
162 app_check_name (gchar **args,
163 const gchar *command)
167 g_printerr (_("%s command requires an application id to directly follow\n\n"), command);
171 if (!g_dbus_is_name (args[0]))
173 g_printerr (_("invalid application id: “%s”\n"), args[0]);
181 app_no_args (const gchar *command)
183 /* Translators: %s is replaced with a command name like 'list-actions' */
184 g_printerr (_("“%s” takes no arguments\n\n"), command);
185 return app_help (FALSE, command);
189 app_version (gchar **args)
191 if (g_strv_length (args))
192 return app_no_args ("version");
194 g_print (PACKAGE_VERSION "\n");
199 app_list (gchar **args)
203 if (g_strv_length (args))
204 return app_no_args ("list");
206 apps = g_app_info_get_all ();
210 GDesktopAppInfo *info = apps->data;
212 if (G_IS_DESKTOP_APP_INFO (info))
213 if (g_desktop_app_info_get_boolean (info, "DBusActivatable"))
215 const gchar *filename;
217 filename = g_app_info_get_id (G_APP_INFO (info));
218 if (g_str_has_suffix (filename, ".desktop"))
222 id = g_strndup (filename, strlen (filename) - 8);
223 g_print ("%s\n", id);
228 apps = g_list_delete_link (apps, apps);
229 g_object_unref (info);
236 app_path_for_id (const gchar *app_id)
241 path = g_strconcat ("/", app_id, NULL);
242 for (i = 0; path[i]; i++)
254 app_call (const gchar *app_id,
255 const gchar *method_name,
256 GVariant *parameters)
258 GDBusConnection *session;
259 GError *error = NULL;
264 session = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
267 g_variant_unref (g_variant_ref_sink (parameters));
268 g_printerr (_("unable to connect to D-Bus: %s\n"), error->message);
269 g_error_free (error);
273 object_path = app_path_for_id (app_id);
275 result = g_dbus_connection_call_sync (session, app_id, object_path, "org.freedesktop.Application",
276 method_name, parameters, G_VARIANT_TYPE_UNIT,
277 G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
279 g_free (object_path);
283 g_variant_unref (result);
288 g_printerr (_("error sending %s message to application: %s\n"), method_name, error->message);
289 g_error_free (error);
295 app_get_platform_data (void)
297 GVariantBuilder builder;
298 const gchar *startup_id;
300 g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
302 if ((startup_id = g_getenv ("DESKTOP_STARTUP_ID")))
303 g_variant_builder_add (&builder, "{sv}", "desktop-startup-id", g_variant_new_string (startup_id));
305 return g_variant_builder_end (&builder);
309 app_action (gchar **args)
311 GVariantBuilder params;
314 if (!app_check_name (args, "action"))
319 g_printerr (_("action name must be given after application id\n"));
325 if (!g_action_name_is_valid (name))
327 g_printerr (_("invalid action name: “%s”\n"
328 "action names must consist of only alphanumerics, “-” and “.”\n"), name);
332 g_variant_builder_init (¶ms, G_VARIANT_TYPE ("av"));
336 GError *error = NULL;
339 parameter = g_variant_parse (NULL, args[2], NULL, NULL, &error);
345 context = g_variant_parse_error_print_context (error, args[2]);
346 g_printerr (_("error parsing action parameter: %s\n"), context);
347 g_variant_builder_clear (¶ms);
348 g_error_free (error);
353 g_variant_builder_add (¶ms, "v", parameter);
354 g_variant_unref (parameter);
358 g_printerr (_("actions accept a maximum of one parameter\n"));
359 g_variant_builder_clear (¶ms);
364 return app_call (args[0], "ActivateAction", g_variant_new ("(sav@a{sv})", name, ¶ms, app_get_platform_data ()));
368 app_activate (const gchar *app_id)
370 return app_call (app_id, "Activate", g_variant_new ("(@a{sv})", app_get_platform_data ()));
374 app_launch (gchar **args)
376 GVariantBuilder files;
379 if (!app_check_name (args, "launch"))
383 return app_activate (args[0]);
385 g_variant_builder_init (&files, G_VARIANT_TYPE_STRING_ARRAY);
387 for (i = 1; args[i]; i++)
391 /* "This operation never fails" */
392 file = g_file_new_for_commandline_arg (args[i]);
393 g_variant_builder_add_value (&files, g_variant_new_take_string (g_file_get_uri (file)));
394 g_object_unref (file);
397 return app_call (args[0], "Open", g_variant_new ("(as@a{sv})", &files, app_get_platform_data ()));
401 app_list_actions (gchar **args)
403 const gchar * const *actions;
404 GDesktopAppInfo *app_info;
408 if (!app_check_name (args, "list-actions"))
413 g_printerr (_("list-actions command takes only the application id"));
414 app_help (FALSE, "list-actions");
417 filename = g_strconcat (args[0], ".desktop", NULL);
418 app_info = g_desktop_app_info_new (filename);
421 if (app_info == NULL)
423 g_printerr (_("unable to find desktop file for application %s\n"), args[0]);
427 actions = g_desktop_app_info_list_actions (app_info);
429 for (i = 0; actions[i]; i++)
430 g_print ("%s\n", actions[i]);
432 g_object_unref (app_info);
438 main (int argc, char **argv)
440 setlocale (LC_ALL, "");
441 textdomain (GETTEXT_PACKAGE);
442 bindtextdomain (GETTEXT_PACKAGE, GLIB_LOCALE_DIR);
443 #ifdef HAVE_BIND_TEXTDOMAIN_CODESET
444 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
448 return app_help (TRUE, NULL);
450 if (g_str_equal (argv[1], "help"))
451 return app_help (TRUE, argv[2]);
453 if (g_str_equal (argv[1], "version"))
454 return app_version (argv + 2);
456 if (g_str_equal (argv[1], "list-apps"))
457 return app_list (argv + 2);
459 if (g_str_equal (argv[1], "launch"))
460 return app_launch (argv + 2);
462 if (g_str_equal (argv[1], "action"))
463 return app_action (argv + 2);
465 if (g_str_equal (argv[1], "list-actions"))
466 return app_list_actions (argv + 2);
468 g_printerr (_("unrecognised command: %s\n\n"), argv[1]);
470 return app_help (FALSE, NULL);