diff options
Diffstat (limited to 'libindicator/indicator-service-manager.c')
| -rw-r--r-- | libindicator/indicator-service-manager.c | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/libindicator/indicator-service-manager.c b/libindicator/indicator-service-manager.c new file mode 100644 index 0000000..4eaed23 --- /dev/null +++ b/libindicator/indicator-service-manager.c @@ -0,0 +1,334 @@ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <dbus/dbus-glib-bindings.h> +#include <dbus/dbus-glib-lowlevel.h> + +#include "indicator-service-manager.h" +#include "indicator-service-client.h" +#include "dbus-shared.h" + +/* Private Stuff */ +typedef struct _IndicatorServiceManagerPrivate IndicatorServiceManagerPrivate; +struct _IndicatorServiceManagerPrivate { + gchar * name; + DBusGProxy * dbus_proxy; + DBusGProxy * service_proxy; + gboolean connected; +}; + +/* Signals Stuff */ +enum { + CONNECTION_CHANGE, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + + +/* Properties */ +/* Enum for the properties so that they can be quickly + found and looked up. */ +enum { + PROP_0, + PROP_NAME, +}; + +/* The strings so that they can be slowly looked up. */ +#define PROP_NAME_S "name" + +/* GObject Stuff */ +#define INDICATOR_SERVICE_MANAGER_GET_PRIVATE(o) \ +(G_TYPE_INSTANCE_GET_PRIVATE ((o), INDICATOR_SERVICE_MANAGER_TYPE, IndicatorServiceManagerPrivate)) + +static void indicator_service_manager_class_init (IndicatorServiceManagerClass *klass); +static void indicator_service_manager_init (IndicatorServiceManager *self); +static void indicator_service_manager_dispose (GObject *object); +static void indicator_service_manager_finalize (GObject *object); + +/* Prototypes */ +static void set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec); +static void get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec); +static void start_service (IndicatorServiceManager * service); + +G_DEFINE_TYPE (IndicatorServiceManager, indicator_service_manager, G_TYPE_OBJECT); + +static void +indicator_service_manager_class_init (IndicatorServiceManagerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + g_type_class_add_private (klass, sizeof (IndicatorServiceManagerPrivate)); + + object_class->dispose = indicator_service_manager_dispose; + object_class->finalize = indicator_service_manager_finalize; + + /* Property funcs */ + object_class->set_property = set_property; + object_class->get_property = get_property; + + /** + IndicatorServiceManager::connecton-change: + @arg0: The #IndicatorServiceManager object + @arg1: The state of the connection, TRUE is connected. + + Signaled when the service is connected or disconnected + depending on it's previous state. + */ + signals[CONNECTION_CHANGE] = g_signal_new (INDICATOR_SERVICE_MANAGER_SIGNAL_CONNECTION_CHANGE, + G_TYPE_FROM_CLASS(klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (IndicatorServiceManagerClass, connection_change), + NULL, NULL, + g_cclosure_marshal_VOID__BOOLEAN, + G_TYPE_NONE, 1, G_TYPE_BOOLEAN, G_TYPE_NONE); + + /* Properties */ + g_object_class_install_property(object_class, PROP_NAME, + g_param_spec_string(PROP_NAME_S, + "The DBus name for the service to monitor", + "This is the name that should be used to start a service.", + NULL, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + + return; +} + +static void +indicator_service_manager_init (IndicatorServiceManager *self) +{ + IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(self); + + /* Get the private variables in a decent state */ + priv->name = NULL; + priv->dbus_proxy = NULL; + priv->service_proxy = NULL; + priv->connected = FALSE; + + /* Start talkin' dbus */ + GError * error = NULL; + DBusGConnection * 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; + } + + priv->dbus_proxy = dbus_g_proxy_new_for_name_owner(session_bus, + DBUS_SERVICE_DBUS, + DBUS_PATH_DBUS, + DBUS_INTERFACE_DBUS, + &error); + if (error != NULL) { + g_error("Unable to get the proxy to DBus: %s", error->message); + g_error_free(error); + return; + } + + return; +} + +static void +indicator_service_manager_dispose (GObject *object) +{ + IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(object); + + /* If we were connected we need to make sure to + tell people that it's no longer the case. */ + if (priv->connected) { + priv->connected = FALSE; + g_signal_emit(object, signals[CONNECTION_CHANGE], 0, FALSE, TRUE); + } + + /* Destory our DBus proxy, we won't need it. */ + if (priv->dbus_proxy != NULL) { + g_object_unref(G_OBJECT(priv->dbus_proxy)); + priv->dbus_proxy = NULL; + } + + /* Destory our service proxy, we won't need it. */ + if (priv->service_proxy != NULL) { + g_object_unref(G_OBJECT(priv->service_proxy)); + priv->service_proxy = NULL; + } + + /* Let's see if our parents want to do anything. */ + G_OBJECT_CLASS (indicator_service_manager_parent_class)->dispose (object); + return; +} + +static void +indicator_service_manager_finalize (GObject *object) +{ + IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(object); + + if (priv->name != NULL) { + g_free(priv->name); + priv->name = NULL; + } + + G_OBJECT_CLASS (indicator_service_manager_parent_class)->finalize (object); + return; +} + +static void +set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) +{ + IndicatorServiceManager * self = INDICATOR_SERVICE_MANAGER(object); + g_return_if_fail(self != NULL); + + IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(self); + g_return_if_fail(priv != NULL); + + switch (prop_id) { + /* *********************** */ + case PROP_NAME: + if (G_VALUE_HOLDS_STRING(value)) { + if (priv->name != NULL) { + g_error("Name can not be set twice!"); + return; + } + priv->name = g_value_dup_string(value); + start_service(self); + } else { + g_warning("Name is a string bud."); + } + break; + /* *********************** */ + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + + return; +} + +static void +get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) +{ + IndicatorServiceManager * self = INDICATOR_SERVICE_MANAGER(object); + g_return_if_fail(self != NULL); + + IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(self); + g_return_if_fail(priv != NULL); + + switch (prop_id) { + /* *********************** */ + case PROP_NAME: + if (G_VALUE_HOLDS_STRING(value)) { + g_value_set_string(value, priv->name); + } else { + g_warning("Name is a string bud."); + } + break; + /* *********************** */ + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } + + return; +} + +static void +watch_cb (DBusGProxy * proxy, gint service_version, GError * error, gpointer user_data) +{ + IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(user_data); + + if (error != NULL) { + g_warning("Unable to set watch on '%s': '%s'", priv->name, error->message); + g_error_free(error); + return; + } + + if (service_version != INDICATOR_SERVICE_VERSION) { + g_warning("Service is using a different version of the service interface. Expecting %d and got %d.", INDICATOR_SERVICE_VERSION, service_version); + return; + } + + if (!priv->connected) { + priv->connected = TRUE; + g_signal_emit(G_OBJECT(user_data), signals[CONNECTION_CHANGE], 0, TRUE, TRUE); + } + + return; +} + +static void +start_service_cb (DBusGProxy * proxy, guint status, GError * error, gpointer user_data) +{ + IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(user_data); + + if (error != NULL) { + g_warning("Unable to start service '%s': %s", priv->name, error->message); + return; + } + + if (status != DBUS_START_REPLY_SUCCESS && status != DBUS_START_REPLY_ALREADY_RUNNING) { + g_warning("Status of starting the process '%s' was an error: %d", priv->name, status); + return; + } + + /* Woot! it's running. Let's do it some more. */ + DBusGConnection * 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; + } + + priv->service_proxy = dbus_g_proxy_new_for_name_owner(session_bus, + priv->name, + INDICATOR_SERVICE_OBJECT, + INDICATOR_SERVICE_INTERFACE, + &error); + + org_ayatana_indicator_service_watch_async(priv->service_proxy, + watch_cb, + user_data); + + return; +} + +static void +start_service (IndicatorServiceManager * service) +{ + IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(service); + + g_return_if_fail(priv->dbus_proxy != NULL); + g_return_if_fail(priv->name != NULL); + + org_freedesktop_DBus_start_service_by_name_async (priv->dbus_proxy, + priv->name, + 0, + start_service_cb, + service); + + return; +} + +/* API */ +IndicatorServiceManager * +indicator_service_manager_new (gchar * dbus_name) +{ + GObject * obj = g_object_new(INDICATOR_SERVICE_MANAGER_TYPE, + PROP_NAME_S, dbus_name, + NULL); + + return INDICATOR_SERVICE_MANAGER(obj); +} + +gboolean +indicator_service_manager_connected (IndicatorServiceManager * sm) +{ + + return FALSE; +} + +void +indicator_service_manager_set_refresh (IndicatorServiceManager * sm, guint time_in_ms) +{ + + return; +} |