diff options
Diffstat (limited to 'libindicator')
| -rw-r--r-- | libindicator/indicator-service-manager.c | 54 |
1 files changed, 40 insertions, 14 deletions
diff --git a/libindicator/indicator-service-manager.c b/libindicator/indicator-service-manager.c index a3680c4..b3d9f1c 100644 --- a/libindicator/indicator-service-manager.c +++ b/libindicator/indicator-service-manager.c @@ -10,6 +10,15 @@ #include "dbus-shared.h" /* Private Stuff */ +/** + IndicatorServiceManagerPrivate: + @name: The well known dbus name the service should be on. + @dbus_proxy: A proxy to talk to the dbus daemon. + @service_proxy: The proxy to the service itself. + @connected: Whether we're connected to the service or not. + @this_service_version: The version of the service that we're looking for. + @bus: A reference to the bus so we don't have to keep getting it. +*/ typedef struct _IndicatorServiceManagerPrivate IndicatorServiceManagerPrivate; struct _IndicatorServiceManagerPrivate { gchar * name; @@ -58,6 +67,8 @@ static void start_service (IndicatorServiceManager * service); G_DEFINE_TYPE (IndicatorServiceManager, indicator_service_manager, G_TYPE_OBJECT); +/* Build all of our signals and proxies and tie everything + all together. Lovely. */ static void indicator_service_manager_class_init (IndicatorServiceManagerClass *klass) { @@ -105,6 +116,9 @@ indicator_service_manager_class_init (IndicatorServiceManagerClass *klass) return; } +/* This inits all the variable and sets up the proxy + to dbus. It doesn't look for the service as at this + point we don't know it's name. */ static void indicator_service_manager_init (IndicatorServiceManager *self) { @@ -141,6 +155,10 @@ indicator_service_manager_init (IndicatorServiceManager *self) return; } +/* If we're connected this provides all the signals to say + that we're about to not be. Then it takes down the proxies + and tells the service that we're not interested in being + its friend anymore either. */ static void indicator_service_manager_dispose (GObject *object) { @@ -176,6 +194,7 @@ indicator_service_manager_dispose (GObject *object) return; } +/* Ironically, we don't allocate a lot of memory ourselves. */ static void indicator_service_manager_finalize (GObject *object) { @@ -190,6 +209,8 @@ indicator_service_manager_finalize (GObject *object) return; } +/* Either copies the name into the private variable or + sets the version. Do it wrong and it'll get upset. */ static void set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { @@ -202,16 +223,12 @@ set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec 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."); + if (priv->name != NULL) { + g_error("Name can not be set twice!"); + return; } + priv->name = g_value_dup_string(value); + start_service(self); break; /* *********************** */ case PROP_VERSION: @@ -226,6 +243,8 @@ set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec return; } +/* Grabs the values from the private variables and + puts them into the value. */ static void get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { @@ -238,11 +257,7 @@ get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspe 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."); - } + g_value_set_string(value, priv->name); break; /* *********************** */ case PROP_VERSION: @@ -257,6 +272,12 @@ get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspe return; } +/* A callback from telling a service that we want to watch + it. It gives us the service API version and the version + of the other APIs it supports. We check both of those. + If they don't match then we unwatch it. Otherwise, we + signal a connection change to tell the rest of the world + that we have a service now. */ static void watch_cb (DBusGProxy * proxy, guint service_api_version, guint this_service_version, GError * error, gpointer user_data) { @@ -288,6 +309,10 @@ watch_cb (DBusGProxy * proxy, guint service_api_version, guint this_service_vers return; } +/* The callback after asking the dbus-daemon to start a + service for us. It can return success or failure, on + failure we can't do much. But, with sucess, we start + to build a proxy and tell the service that we're watching. */ static void start_service_cb (DBusGProxy * proxy, guint status, GError * error, gpointer user_data) { @@ -333,6 +358,7 @@ start_service (IndicatorServiceManager * service) INDICATOR_SERVICE_OBJECT, INDICATOR_SERVICE_INTERFACE, &error); + g_object_add_weak_pointer(G_OBJECT(priv->service_proxy), (gpointer *)&(priv->service_proxy)); if (error != NULL) { /* We don't care about the error, just start the service anyway. */ |