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#include "listener.h"
#include "listener-marshal.h"
#include <dbus/dbus-glib-bindings.h>
#include "dbus-indicate-client.h"
/* Errors */
enum {
LAST_ERROR
};
/* Signals */
enum {
INDICATOR_ADDED,
INDICATOR_REMOVED,
INDICATOR_MODIFIED,
SERVER_ADDED,
SERVER_REMOVED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
typedef struct {
DBusGProxy * proxy;
gchar * name;
IndicateListener * listener;
} proxy_t;
typedef struct {
DBusGConnection * bus;
gchar * name;
} proxy_todo_t;
G_DEFINE_TYPE (IndicateListener, indicate_listener, G_TYPE_OBJECT);
/* Prototypes */
static void indicate_listener_finalize (GObject * obj);
static void dbus_owner_change (DBusGProxy * proxy, const gchar * name, const gchar * prev, const gchar * new, IndicateListener * listener);
static void proxy_struct_destroy (gpointer data);
static void build_todo_list_cb (DBusGProxy * proxy, char ** names, GError * error, void * data);
static void todo_list_add (const gchar * name, DBusGProxy * proxy, IndicateListener * listener);
static gboolean todo_idle (gpointer data);
static void proxy_indicator_added (DBusGProxy * proxy, guint id, const gchar * type, proxy_t * proxyt);
/* Code */
static void
indicate_listener_class_init (IndicateListenerClass * class)
{
g_debug("Listener Class Initialized");
GObjectClass * gobj;
gobj = G_OBJECT_CLASS(class);
gobj->finalize = indicate_listener_finalize;
/* TODO, I need new marshallers here, bah humbug
signals[INDICATOR_ADDED] = g_signal_new("indicator-added",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (IndicateListenerClass, indicator_added),
NULL, NULL,
g_cclosure_marshal_VOID__POINTER_POINTER_POINTER,
G_TYPE_NONE, 2, G_TYPE_OBJECT, G_TYPE_OBJECT, G_TYPE_STRING);
signals[INDICATOR_REMOVED] = g_signal_new("indicator-removed",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (IndicateServerClass, indicator_removed),
NULL, NULL,
g_cclosure_marshal_VOID__UINT_POINTER,
G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_STRING);
signals[INDICATOR_MODIFIED] = g_signal_new("indicator-modified",
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (IndicateServerClass, indicator_modified),
NULL, NULL,
g_cclosure_marshal_VOID__UINT_POINTER,
G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_STRING);
*/
dbus_g_object_register_marshaller(indicate_listener_marshal_VOID__UINT_STRING,
G_TYPE_NONE,
G_TYPE_UINT,
G_TYPE_STRING,
G_TYPE_INVALID);
return;
}
static void
indicate_listener_init (IndicateListener * listener)
{
g_debug("Listener Object Initialized");
GError *error = NULL;
/* Get the buses */
listener->session_bus = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
if (error != NULL) {
g_error("Unable to get session bus: %s", error->message);
g_error_free(error);
return;
}
listener->system_bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, &error);
if (error != NULL) {
g_error("Unable to get system bus: %s", error->message);
g_error_free(error);
return;
}
/* Set up the DBUS service proxies */
listener->dbus_proxy_session = dbus_g_proxy_new_for_name_owner (listener->session_bus,
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
&error);
if (error != NULL) {
g_error("Unable to get dbus proxy on session bus: %s", error->message);
g_error_free(error);
return;
}
listener->dbus_proxy_system = dbus_g_proxy_new_for_name_owner (listener->system_bus,
DBUS_SERVICE_DBUS,
DBUS_PATH_DBUS,
DBUS_INTERFACE_DBUS,
&error);
if (error != NULL) {
g_error("Unable to get dbus proxy on system bus: %s", error->message);
g_error_free(error);
return;
}
/* Set up name change signals */
dbus_g_proxy_add_signal(listener->dbus_proxy_session, "NameOwnerChanged",
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_INVALID);
dbus_g_proxy_connect_signal(listener->dbus_proxy_session, "NameOwnerChanged",
G_CALLBACK(dbus_owner_change), listener, NULL);
dbus_g_proxy_add_signal(listener->dbus_proxy_system, "NameOwnerChanged",
G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING,
G_TYPE_INVALID);
dbus_g_proxy_connect_signal(listener->dbus_proxy_system, "NameOwnerChanged",
G_CALLBACK(dbus_owner_change), listener, NULL);
/* Initialize Data structures */
listener->proxies_system = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, proxy_struct_destroy);
listener->proxies_session = g_hash_table_new_full(g_str_hash, g_str_equal,
g_free, proxy_struct_destroy);
/* TODO: Look at some common scenarios and find out how to make this sized */
listener->proxy_todo = g_array_new(FALSE, TRUE, sizeof(proxy_todo_t));
listener->todo_idle = 0;
/* WARNING */
/* Starting massive asynchronisity */
/* */
/* Build todo list */
org_freedesktop_DBus_list_names_async (listener->dbus_proxy_session, build_todo_list_cb, listener);
org_freedesktop_DBus_list_names_async (listener->dbus_proxy_system, build_todo_list_cb, listener);
return;
}
static void
indicate_listener_finalize (GObject * obj)
{
IndicateListener * listener = INDICATE_LISTENER(obj);
return;
}
IndicateListener *
indicate_listener_new (void)
{
IndicateListener * listener;
listener = g_object_new(INDICATE_TYPE_LISTENER, NULL);
return listener;
}
static void
dbus_owner_change (DBusGProxy * proxy, const gchar * name, const gchar * prev, const gchar * new, IndicateListener * listener)
{
DBusGConnection * bus;
gchar * bus_name;
if (proxy == listener->dbus_proxy_system) {
bus = listener->system_bus;
bus_name = "system";
} else {
bus = listener->session_bus;
bus_name = "session";
}
g_debug("Name change on %s bus: '%s' from '%s' to '%s'", bus_name, name, prev, new);
if (prev != NULL && prev[0] == '\0') {
todo_list_add(name, proxy, listener);
}
return;
}
static void
proxy_struct_destroy (gpointer data)
{
proxy_t * proxy_data = data;
g_object_unref(proxy_data->proxy);
// name is the key also, so it'll get destroyed there
return;
}
static void
build_todo_list_cb (DBusGProxy * proxy, char ** names, GError * error, void * data)
{
IndicateListener * listener = INDICATE_LISTENER(data);
if (error != NULL) {
g_warning("Unable to get names: %s", error->message);
return;
}
guint i = 0;
for (i = 0; names[i] != NULL; i++) {
todo_list_add(names[i], proxy, listener);
}
return;
}
static void
todo_list_add (const gchar * name, DBusGProxy * proxy, IndicateListener * listener)
{
DBusGConnection * bus;
gchar * bus_name;
if (proxy == listener->dbus_proxy_system) {
bus = listener->system_bus;
bus_name = "system";
} else {
bus = listener->session_bus;
bus_name = "session";
}
g_debug ("Adding on %s bus: %s", bus_name, name);
proxy_todo_t todo;
todo.name = g_strdup(name);
todo.bus = bus;
g_array_append_val(listener->proxy_todo, todo);
if (listener->todo_idle == 0) {
listener->todo_idle = g_idle_add(todo_idle, listener);
}
return;
}
gboolean
todo_idle (gpointer data)
{
IndicateListener * listener = INDICATE_LISTENER(data);
if (listener == NULL) {
g_error("Listener got lost in todo_idle");
listener->todo_idle = 0;
return FALSE;
}
if (listener->proxy_todo->len == 0) {
/* Basically if we have no todo, we need to stop running. This
* is done this way to make the function error handling simpler
* and results in an extra run */
listener->todo_idle = 0;
return FALSE;
}
proxy_todo_t * todo = &g_array_index(listener->proxy_todo, proxy_todo_t, listener->proxy_todo->len - 1);
proxy_t * proxyt = g_new(proxy_t, 1);
proxyt->name = todo->name;
proxyt->proxy = dbus_g_proxy_new_for_name(todo->bus,
proxyt->name,
"/org/freedesktop/indicate",
"org.freedesktop.indicator");
proxyt->listener = listener;
listener->proxy_todo = g_array_remove_index(listener->proxy_todo, listener->proxy_todo->len - 1);
if (proxyt->proxy == NULL) {
g_warning("Unable to create proxy for %s", proxyt->name);
return TRUE;
}
dbus_g_proxy_add_signal(proxyt->proxy, "IndicatorAdded",
G_TYPE_UINT, G_TYPE_STRING, G_TYPE_INVALID);
dbus_g_proxy_connect_signal(proxyt->proxy, "IndicatorAdded",
G_CALLBACK(proxy_indicator_added), proxyt, NULL);
return TRUE;
}
static void
proxy_indicator_added (DBusGProxy * proxy, guint id, const gchar * type, proxy_t * proxyt)
{
g_debug("Interface %s has an indicator %d", proxyt->name, id);
return;
}
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