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GApplication: implement fd.o application spec

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The freedesktop application specification is largely overlapping the
GLib application D-Bus interface but implementing it will allow for
applications to be launched directly from desktop files, which we want.

We keep the old Gtk interface for compatibility reasons and because it
has some functionality not in the freedesktop spec (Busy state,
CommandLine, etc.).

https://bugzilla.gnome.org/show_bug.cgi?id=699259
This commit is contained in:
Ryan Lortie 2013-04-29 13:30:02 -07:00
parent 7baea0aee5
commit b4df86fa19
1 changed files with 76 additions and 2 deletions
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78
gio/gapplicationimpl-dbus.c
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@ -73,6 +73,26 @@ static const gchar org_gtk_Application_xml[] =
static GDBusInterfaceInfo *org_gtk_Application;
static const gchar org_freedesktop_Application_xml[] =
"<node>"
"<interface name='org.freedesktop.Application'>"
"<method name='Activate'>"
"<arg type='a{sv}' name='platform-data' direction='in'/>"
"</method>"
"<method name='Open'>"
"<arg type='as' name='uris' direction='in'/>"
"<arg type='a{sv}' name='platform-data' direction='in'/>"
"</method>"
"<method name='ActivateAction'>"
"<arg type='s' name='action-name' direction='in'/>"
"<arg type='av' name='parameter' direction='in'/>"
"<arg type='a{sv}' name='platform-data' direction='in'/>"
"</method>"
"</interface>"
"</node>";
static GDBusInterfaceInfo *org_freedesktop_Application;
static const gchar org_gtk_private_CommandLine_xml[] =
"<node>"
"<interface name='org.gtk.private.CommandLine'>"
@ -96,6 +116,7 @@ struct _GApplicationImpl
gchar *object_path;
guint object_id;
guint fdo_object_id;
guint actions_id;
gboolean properties_live;
@ -168,7 +189,10 @@ g_application_impl_method_call (GDBusConnection *connection,
{
GVariant *platform_data;
/* Completely the same for both freedesktop and gtk interfaces */
g_variant_get (parameters, "(@a{sv})", &platform_data);
class->before_emit (impl->app, platform_data);
g_signal_emit_by_name (impl->app, "activate");
class->after_emit (impl->app, platform_data);
@ -185,8 +209,14 @@ g_application_impl_method_call (GDBusConnection *connection,
GFile **files;
gint n, i;
g_variant_get (parameters, "(@as&s@a{sv})",
&array, &hint, &platform_data);
/* freedesktop interface has no hint parameter */
if (g_str_equal (interface_name, "org.freedesktop.Application"))
{
g_variant_get (parameters, "(@as@a{sv})", &array, &platform_data);
hint = "";
}
else
g_variant_get (parameters, "(@as&s@a{sv})", &array, &hint, &platform_data);
n = g_variant_n_children (array);
files = g_new (GFile *, n + 1);
@ -220,6 +250,8 @@ g_application_impl_method_call (GDBusConnection *connection,
GVariant *platform_data;
int status;
/* Only on the GtkApplication interface */
cmdline = g_dbus_command_line_new (invocation);
platform_data = g_variant_get_child_value (parameters, 2);
class->before_emit (impl->app, platform_data);
@ -229,6 +261,28 @@ g_application_impl_method_call (GDBusConnection *connection,
g_variant_unref (platform_data);
g_object_unref (cmdline);
}
else if (g_str_equal (method_name, "ActivateAction"))
{
GVariant *parameter = NULL;
GVariant *platform_data;
GVariantIter *iter;
const gchar *name;
/* Only on the freedesktop interface */
g_variant_get (parameters, "(&sav@a{sv})", &name, &iter, &platform_data);
g_variant_iter_next (iter, "v", &parameter);
g_variant_iter_free (iter);
class->before_emit (impl->app, platform_data);
g_action_group_activate_action (impl->exported_actions, name, parameter);
class->after_emit (impl->app, platform_data);
if (parameter)
g_variant_unref (parameter);
g_variant_unref (platform_data);
}
else
g_assert_not_reached ();
}
@ -290,6 +344,14 @@ g_application_impl_attempt_primary (GApplicationImpl *impl,
g_assert (org_gtk_Application != NULL);
g_dbus_interface_info_ref (org_gtk_Application);
g_dbus_node_info_unref (info);
info = g_dbus_node_info_new_for_xml (org_freedesktop_Application_xml, &error);
if G_UNLIKELY (info == NULL)
g_error ("%s", error->message);
org_freedesktop_Application = g_dbus_node_info_lookup_interface (info, "org.freedesktop.Application");
g_assert (org_freedesktop_Application != NULL);
g_dbus_interface_info_ref (org_freedesktop_Application);
g_dbus_node_info_unref (info);
}
/* We could possibly have been D-Bus activated as a result of incoming
@ -312,6 +374,12 @@ g_application_impl_attempt_primary (GApplicationImpl *impl,
if (impl->object_id == 0)
return FALSE;
impl->fdo_object_id = g_dbus_connection_register_object (impl->session_bus, impl->object_path,
org_freedesktop_Application, &vtable, impl, NULL, error);
if (impl->fdo_object_id == 0)
return FALSE;
impl->actions_id = g_dbus_connection_export_action_group (impl->session_bus, impl->object_path,
impl->exported_actions, error);
@ -380,6 +448,12 @@ g_application_impl_stop_primary (GApplicationImpl *impl)
impl->object_id = 0;
}
if (impl->fdo_object_id)
{
g_dbus_connection_unregister_object (impl->session_bus, impl->fdo_object_id);
impl->fdo_object_id = 0;
}
if (impl->actions_id)
{
g_dbus_connection_unexport_action_group (impl->session_bus, impl->actions_id);