aboutsummaryrefslogtreecommitdiff
path: root/libindicator/indicator-service.c
diff options
context:
space:
mode:
authorTed Gould <ted@gould.cx>2009-12-07 14:22:35 -0600
committerTed Gould <ted@gould.cx>2009-12-07 14:22:35 -0600
commit2a521b2f35876f9eb55bbbccb86a947072c5a68d (patch)
tree153de1df81c0876a34d29b14fbaf825afb94c289 /libindicator/indicator-service.c
parent483992f7d3656a103b1a152a6526507479e8f5b0 (diff)
parentc1fa836fd6a3a6b38a07bada9f56998d9c5424fe (diff)
downloadlibayatana-indicator-2a521b2f35876f9eb55bbbccb86a947072c5a68d.tar.gz
libayatana-indicator-2a521b2f35876f9eb55bbbccb86a947072c5a68d.tar.bz2
libayatana-indicator-2a521b2f35876f9eb55bbbccb86a947072c5a68d.zip
Documentation, licenses, and some slight updates.
Diffstat (limited to 'libindicator/indicator-service.c')
-rw-r--r--libindicator/indicator-service.c62
1 files changed, 61 insertions, 1 deletions
diff --git a/libindicator/indicator-service.c b/libindicator/indicator-service.c
index 89842bb..e2ec6b2 100644
--- a/libindicator/indicator-service.c
+++ b/libindicator/indicator-service.c
@@ -1,3 +1,26 @@
+/*
+An object used to provide a simple interface for a service
+to query version and manage whether it's running.
+
+Copyright 2009 Canonical Ltd.
+
+Authors:
+ Ted Gould <ted@canonical.com>
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+version 3.0 as published by the Free Software Foundation.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License version 3.0 for more details.
+
+You should have received a copy of the GNU General Public
+License along with this library. If not, see
+<http://www.gnu.org/licenses/>.
+*/
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
@@ -14,8 +37,16 @@ static gboolean _indicator_service_server_un_watch (IndicatorService * service,
#include "dbus-shared.h"
/* Private Stuff */
+/**
+ IndicatorSevicePrivate:
+ @name: The DBus well known name for the service.
+ @dbus_proxy: A proxy for talking to the dbus bus manager.
+ @timeout: The source ID for the timeout event.
+ @watcher: A list of processes on dbus that are watching us.
+ @this_service_version: The version to hand out that we're
+ implementing. May not be set, so we'll send zero (default).
+*/
typedef struct _IndicatorServicePrivate IndicatorServicePrivate;
-
struct _IndicatorServicePrivate {
gchar * name;
DBusGProxy * dbus_proxy;
@@ -113,6 +144,10 @@ indicator_service_class_init (IndicatorServiceClass *klass)
return;
}
+/* This function builds the variables, sets up the dbus
+ proxy and registers the object on dbus. Importantly,
+ it does not request a name as we don't know what name
+ we have yet. */
static void
indicator_service_init (IndicatorService *self)
{
@@ -162,6 +197,8 @@ indicator_service_init (IndicatorService *self)
return;
}
+/* Unrefcounting the proxies and making sure that our
+ timeout doesn't come to haunt us. */
static void
indicator_service_dispose (GObject *object)
{
@@ -181,6 +218,8 @@ indicator_service_dispose (GObject *object)
return;
}
+/* Freeing the name we're looking for and all of the
+ information on the watchers we're tracking. */
static void
indicator_service_finalize (GObject *object)
{
@@ -200,6 +239,8 @@ indicator_service_finalize (GObject *object)
return;
}
+/* Either copies a string for the name or it just grabs
+ the value of the version. */
static void
set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
@@ -236,6 +277,8 @@ set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec
return;
}
+/* Copies out the name into a value or the version number.
+ Probably this is the least useful code in this file. */
static void
get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
@@ -267,6 +310,9 @@ get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspe
return;
}
+/* This is the function that gets executed if we timeout
+ because there are no watchers. We sent the shutdown
+ signal and hope someone does something sane with it. */
static gboolean
timeout_no_watchers (gpointer data)
{
@@ -274,6 +320,9 @@ timeout_no_watchers (gpointer data)
return FALSE;
}
+/* The callback from our request to get a well known name
+ on dbus. If we can't get it we send the shutdown signal.
+ Else we start the timer to see if anyone cares about us. */
static void
try_and_get_name_cb (DBusGProxy * proxy, guint status, GError * error, gpointer data)
{
@@ -294,6 +343,7 @@ try_and_get_name_cb (DBusGProxy * proxy, guint status, GError * error, gpointer
return;
}
+/* This function sets up the request for the name on dbus. */
static void
try_and_get_name (IndicatorService * service)
{
@@ -310,6 +360,10 @@ try_and_get_name (IndicatorService * service)
return;
}
+/* Here is the function that gets called by the dbus
+ interface "Watch" function. It is an async function so
+ that we can get the sender and store that information. We
+ put them in a list and reset the timeout. */
static gboolean
_indicator_service_server_watch (IndicatorService * service, DBusGMethodInvocation * method)
{
@@ -328,12 +382,18 @@ _indicator_service_server_watch (IndicatorService * service, DBusGMethodInvocati
return TRUE;
}
+/* Mung g_strcmp0 into GCompareFunc */
static gint
find_watcher (gconstpointer a, gconstpointer b)
{
return g_strcmp0((const gchar *)a, (const gchar *)b);
}
+/* A function connecting into the dbus interface for the
+ "UnWatch" function. It is also an async function to get
+ the sender. It then looks the sender up and removes them
+ from the list of watchers. If there are none left, it then
+ starts the timer for the shutdown signal. */
static gboolean
_indicator_service_server_un_watch (IndicatorService * service, DBusGMethodInvocation * method)
{