diff options
Diffstat (limited to 'libindicate')
| -rw-r--r-- | libindicate/listener.c | 109 |
1 files changed, 102 insertions, 7 deletions
diff --git a/libindicate/listener.c b/libindicate/listener.c index 13e90d0..fddeb71 100644 --- a/libindicate/listener.c +++ b/libindicate/listener.c @@ -27,6 +27,9 @@ License version 3 and version 2.1 along with this program. If not, see <http://www.gnu.org/licenses/> */ +#include <libxml/parser.h> +#include <libxml/tree.h> + #include "listener.h" #include "listener-marshal.h" #include <dbus/dbus-glib-bindings.h> @@ -89,6 +92,7 @@ typedef struct { gchar * type; IndicateListener * listener; GHashTable * indicators; + guint introspect_level; IndicateListenerServer server; } proxy_t; @@ -129,6 +133,7 @@ static void proxy_indicator_modified (DBusGProxy * proxy, guint id, const gchar static void proxy_get_indicator_list (DBusGProxy * proxy, GArray * indicators, GError * error, gpointer data); static void proxy_get_indicator_type (DBusGProxy * proxy, gchar * type, GError * error, gpointer data); static void proxy_indicators_free (gpointer data); +static void introspect_this (DBusGProxy * proxy, char * OUT_data, GError * error, gpointer data); /* DBus interface */ gboolean _indicate_listener_get_indicator_servers (IndicateListener * listener, GList * servers); @@ -499,13 +504,9 @@ todo_idle (gpointer data) priv->proxies_possible = g_list_prepend(priv->proxies_possible, proxyt); - /* I think that we need to have this as there is a race - * condition here. If someone comes on the bus and we get - * that message, but before we set up the handler for the ServerShow - * signal it gets sent, we wouldn't get it. So then we would - * miss an indicator server coming on the bus. I'd like to not - * generate a warning in every app with DBus though. */ - indicate_listener_server_get_type(listener, &proxyt->server, get_type_cb, proxyt); + /* Look through the introspection data to see if this + is already a server */ + introspect_this (NULL, NULL, NULL, proxyt); return TRUE; } @@ -1047,3 +1048,97 @@ indicate_listener_indicator_get_gtype (void) return our_type; } +static const gchar * _introspector_path[] = {"", "org", "freedesktop", "indicate", NULL}; +static const gchar * _introspector_fullpath[] = {"/", "/org", "/org/freedesktop", "/org/freedesktop/indicate", NULL}; +static const gchar * _introspector_interface = "org.freedesktop.indicator"; + +static void +introspect_this (DBusGProxy * proxy, char * OUT_data, GError * error, gpointer data) +{ + /* g_debug("Introspect this:\n%s", OUT_data); */ + proxy_t * server = (proxy_t *)data; + if (proxy != NULL) { + g_object_unref(proxy); + } + if (error != NULL) { + /* We probably couldn't introspect that far up. That's + life, it happens. Or there's a timeout, that happens + too, I guess some apps are too busy for us. */ + /* g_debug("Introspection error on %s object %s: %s", server->name, _introspector_fullpath[server->introspect_level], error->message); */ + return; + } + + if (OUT_data != NULL) { + xmlDocPtr xmldoc; + /* Parse the XML */ + xmldoc = xmlReadMemory(OUT_data, g_utf8_strlen(OUT_data, 16*1024), "introspection.xml", NULL, 0); + + /* Check for root being "node" */ + xmlNodePtr root = xmlDocGetRootElement(xmldoc); + if (g_strcmp0(root->name, "node") != 0) { + xmlFreeDoc(xmldoc); + g_warning("Introspection data from %s is not valid: %s", server->name, OUT_data); + return; + } + + server->introspect_level += 1; + const gchar * nodename = NULL; + const gchar * nameval = NULL; + if (_introspector_path[server->introspect_level] == NULL) { + /* We're looking for our interface */ + nodename = "interface"; + nameval = _introspector_interface; + } else { + /* We're looking for our next node */ + nodename = "node"; + nameval = _introspector_path[server->introspect_level]; + } + + gboolean found = FALSE; + xmlNodePtr children; + for (children = root->children; children != NULL; children = children->next) { + gchar * xmlnameval = NULL; + if (g_strcmp0(children->name, nodename) == 0) { + xmlAttrPtr attrib; + for (attrib = children->properties; attrib != NULL; attrib = attrib->next) { + if (g_strcmp0(attrib->name, "name") == 0) { + if (attrib->children != NULL) { + xmlnameval = attrib->children->content; + } + break; + } + } + + if (!g_strcmp0(nameval, xmlnameval)) { + found = TRUE; + break; + } + } + } + + xmlFreeDoc(xmldoc); + + if (!found) { + /* Ah, nothing we're interested in */ + return; + } + + if (_introspector_path[server->introspect_level] == NULL) { + /* If we've found the interface at the end of the tree, whoo! hoo! */ + /* Now we know it's safe to get the type on it */ + indicate_listener_server_get_type(server->listener, &server->server, get_type_cb, server); + return; + } + } else { + server->introspect_level = 0; + } + + DBusGProxy * newproxy = dbus_g_proxy_new_for_name(server->connection, + server->name, + _introspector_fullpath[server->introspect_level], + DBUS_INTERFACE_INTROSPECTABLE); + + org_freedesktop_DBus_Introspectable_introspect_async(newproxy, introspect_this, server); + + return; +} |