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-rw-r--r--libindicator/indicator-service-manager.c54
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. */