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-rw-r--r--libindicator/Makefile.am8
-rw-r--r--libindicator/indicator-object-marshal.list1
-rw-r--r--libindicator/indicator-object.c54
-rw-r--r--libindicator/indicator-object.h13
-rw-r--r--libindicator/indicator-service-manager.c106
5 files changed, 176 insertions, 6 deletions
diff --git a/libindicator/Makefile.am b/libindicator/Makefile.am
index 6d5c627..19247ce 100644
--- a/libindicator/Makefile.am
+++ b/libindicator/Makefile.am
@@ -1,8 +1,11 @@
BUILT_SOURCES =
CLEANFILES =
+DISTCLEANFILES =
EXTRA_DIST = \
indicator.pc.in
+include $(top_srcdir)/Makefile.am.marshal
+
libindicatorincludedir=$(includedir)/libindicator-0.3/libindicator
indicator_headers = \
@@ -21,6 +24,8 @@ libindicator_la_SOURCES = \
$(indicator_headers) \
dbus-shared.h \
indicator-object.c \
+ indicator-object-marshal.h \
+ indicator-object-marshal.c \
indicator-service.c \
indicator-service-manager.c
@@ -35,6 +40,9 @@ libindicator_la_LIBADD = \
pkgconfig_DATA = indicator.pc
pkgconfigdir = $(libdir)/pkgconfig
+glib_marshal_list = indicator-object-marshal.list
+glib_marshal_prefix = _indicator_object_marshal
+
##################################
# DBus Specs
##################################
diff --git a/libindicator/indicator-object-marshal.list b/libindicator/indicator-object-marshal.list
new file mode 100644
index 0000000..5c11033
--- /dev/null
+++ b/libindicator/indicator-object-marshal.list
@@ -0,0 +1 @@
+VOID: POINTER, UINT, UINT
diff --git a/libindicator/indicator-object.c b/libindicator/indicator-object.c
index e87fa5f..87cd648 100644
--- a/libindicator/indicator-object.c
+++ b/libindicator/indicator-object.c
@@ -27,6 +27,7 @@ License along with this library. If not, see
#include "indicator.h"
#include "indicator-object.h"
+#include "indicator-object-marshal.h"
/**
IndicatorObjectPrivate:
@@ -54,6 +55,7 @@ struct _IndicatorObjectPrivate {
enum {
ENTRY_ADDED,
ENTRY_REMOVED,
+ ENTRY_MOVED,
LAST_SIGNAL
};
@@ -86,11 +88,14 @@ indicator_object_class_init (IndicatorObjectClass *klass)
klass->get_image = NULL;
klass->get_entries = get_entries_default;
+ klass->get_location = NULL;
/**
IndicatorObject::entry-added:
@arg0: The #IndicatorObject object
-
+ @arg1: A pointer to the #IndicatorObjectEntry that
+ is being added.
+
Signaled when a new entry is added and should
be shown by the person using this object.
*/
@@ -105,7 +110,9 @@ indicator_object_class_init (IndicatorObjectClass *klass)
/**
IndicatorObject::entry-removed:
@arg0: The #IndicatorObject object
-
+ @arg1: A pointer to the #IndicatorObjectEntry that
+ is being removed.
+
Signaled when an entry is removed and should
be removed by the person using this object.
*/
@@ -116,6 +123,24 @@ indicator_object_class_init (IndicatorObjectClass *klass)
NULL, NULL,
g_cclosure_marshal_VOID__POINTER,
G_TYPE_NONE, 1, G_TYPE_POINTER, G_TYPE_NONE);
+ /**
+ IndicatorObject::entry-moved:
+ @arg0: The #IndicatorObject object
+ @arg1: A pointer to the #IndicatorObjectEntry that
+ is being moved.
+ @arg2: The old location of the entry
+ @arg3: The new location of the entry
+
+ When the order of the entries change, then this signal
+ is sent to tell the new location.
+ */
+ signals[ENTRY_MOVED] = g_signal_new (INDICATOR_OBJECT_SIGNAL_ENTRY_MOVED,
+ G_TYPE_FROM_CLASS(klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (IndicatorObjectClass, entry_moved),
+ NULL, NULL,
+ _indicator_object_marshal_VOID__POINTER_UINT_UINT,
+ G_TYPE_NONE, 3, G_TYPE_POINTER, G_TYPE_UINT, G_TYPE_UINT, G_TYPE_NONE);
return;
}
@@ -342,3 +367,28 @@ indicator_object_get_entries (IndicatorObject * io)
g_error("No get_entries function on object. It must have been deleted?!?!");
return NULL;
}
+
+/**
+ indicator_object_get_location:
+ @io: #IndicatorObject to query
+ @entry: The #IndicatorObjectEntry to look for.
+
+ This function looks on the class for the object and calls
+ it's #IndicatorObjectClass::get_location function. If the
+ function doesn't exist it returns zero.
+
+ Return value: Location of the @entry in the display or
+ zero if no location is specified.
+*/
+guint
+indicator_object_get_location (IndicatorObject * io, IndicatorObjectEntry * entry)
+{
+ g_return_val_if_fail(INDICATOR_IS_OBJECT(io), 0);
+ IndicatorObjectClass * class = INDICATOR_OBJECT_GET_CLASS(io);
+
+ if (class->get_location) {
+ return class->get_location(io, entry);
+ }
+
+ return 0;
+}
diff --git a/libindicator/indicator-object.h b/libindicator/indicator-object.h
index c100d02..0356d1c 100644
--- a/libindicator/indicator-object.h
+++ b/libindicator/indicator-object.h
@@ -40,6 +40,8 @@ G_BEGIN_DECLS
#define INDICATOR_OBJECT_SIGNAL_ENTRY_ADDED_ID (g_signal_lookup(INDICATOR_OBJECT_SIGNAL_ENTRY_ADDED, INDICATOR_OBJECT_TYPE))
#define INDICATOR_OBJECT_SIGNAL_ENTRY_REMOVED "entry-removed"
#define INDICATOR_OBJECT_SIGNAL_ENTRY_REMOVED_ID (g_signal_lookup(INDICATOR_OBJECT_SIGNAL_ENTRY_REMOVED, INDICATOR_OBJECT_TYPE))
+#define INDICATOR_OBJECT_SIGNAL_ENTRY_MOVED "entry-moved"
+#define INDICATOR_OBJECT_SIGNAL_ENTRY_MOVED_ID (g_signal_lookup(INDICATOR_OBJECT_SIGNAL_ENTRY_MOVED, INDICATOR_OBJECT_TYPE))
typedef struct _IndicatorObject IndicatorObject;
typedef struct _IndicatorObjectClass IndicatorObjectClass;
@@ -62,12 +64,14 @@ typedef struct _IndicatorObjectEntry IndicatorObjectEntry;
a #GList of #IndicatorObjectEntries. The list should be
under the ownership of the caller but the entires will
not be.
+ @get_location: Returns the location that a particular entry
+ should be placed in. This is really only relevant for
+ indicators that have more than one entry.
@entry_added: Slot for #IndicatorObject::entry-added
@entry_removed: Slot for #IndicatorObject::entry-removed
+ @entry_moved: Slot for #IndicatorObject::entry-moved
@indicator_object_reserved_1: Reserved for future use
@indicator_object_reserved_2: Reserved for future use
- @indicator_object_reserved_3: Reserved for future use
- @indicator_object_reserved_4: Reserved for future use
*/
struct _IndicatorObjectClass {
GObjectClass parent_class;
@@ -78,16 +82,16 @@ struct _IndicatorObjectClass {
GtkMenu * (*get_menu) (IndicatorObject * io);
GList * (*get_entries) (IndicatorObject * io);
+ guint (*get_location) (IndicatorObject * io, IndicatorObjectEntry * entry);
/* Signals */
void (*entry_added) (IndicatorObject * io, IndicatorObjectEntry * entry, gpointer user_data);
void (*entry_removed) (IndicatorObject * io, IndicatorObjectEntry * entry, gpointer user_data);
+ void (*entry_moved) (IndicatorObject * io, IndicatorObjectEntry * entry, guint old_pos, guint new_pos, gpointer user_data);
/* Reserved */
void (* indicator_object_reserved_1) (void);
void (* indicator_object_reserved_2) (void);
- void (* indicator_object_reserved_3) (void);
- void (* indicator_object_reserved_4) (void);
};
/**
@@ -117,6 +121,7 @@ GType indicator_object_get_type (void);
IndicatorObject * indicator_object_new_from_file (const gchar * file);
GList * indicator_object_get_entries (IndicatorObject * io);
+guint indicator_object_get_location (IndicatorObject * io, IndicatorObjectEntry * entry);
G_END_DECLS
diff --git a/libindicator/indicator-service-manager.c b/libindicator/indicator-service-manager.c
index 69b1343..7bb9a9b 100644
--- a/libindicator/indicator-service-manager.c
+++ b/libindicator/indicator-service-manager.c
@@ -25,6 +25,8 @@ License along with this library. If not, see
#include "config.h"
#endif
+#include <stdlib.h>
+
#include <dbus/dbus-glib-bindings.h>
#include <dbus/dbus-glib-lowlevel.h>
@@ -41,6 +43,7 @@ License along with this library. If not, see
@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.
+ @restart_count: The number of times we've restarted this service.
*/
typedef struct _IndicatorServiceManagerPrivate IndicatorServiceManagerPrivate;
struct _IndicatorServiceManagerPrivate {
@@ -50,6 +53,8 @@ struct _IndicatorServiceManagerPrivate {
gboolean connected;
guint this_service_version;
DBusGConnection * bus;
+ guint restart_count;
+ gint restart_source;
};
/* Signals Stuff */
@@ -60,6 +65,13 @@ enum {
static guint signals[LAST_SIGNAL] = { 0 };
+/* If this env variable is set, we don't restart */
+#define TIMEOUT_ENV_NAME "INDICATOR_SERVICE_RESTART_DISABLE"
+#define TIMEOUT_MULTIPLIER 100 /* In ms */
+/* What to reset the restart_count to if we know that we're
+ in a recoverable error condition, but waiting a little bit
+ will probably make things better. 5 ~= 3 sec. */
+#define TIMEOUT_A_LITTLE_WHILE 5
/* Properties */
/* Enum for the properties so that they can be quickly
@@ -86,7 +98,9 @@ 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 service_proxy_destroyed (DBusGProxy * proxy, gpointer user_data);
static void start_service (IndicatorServiceManager * service);
+static void start_service_again (IndicatorServiceManager * manager);
G_DEFINE_TYPE (IndicatorServiceManager, indicator_service_manager, G_TYPE_OBJECT);
@@ -154,6 +168,8 @@ indicator_service_manager_init (IndicatorServiceManager *self)
priv->connected = FALSE;
priv->this_service_version = 0;
priv->bus = NULL;
+ priv->restart_count = 0;
+ priv->restart_source = 0;
/* Start talkin' dbus */
GError * error = NULL;
@@ -187,6 +203,13 @@ indicator_service_manager_dispose (GObject *object)
{
IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(object);
+ /* Removing the idle task to restart if it exists. */
+ if (priv->restart_source != 0) {
+ g_source_remove(priv->restart_source);
+ }
+ /* Block any restart calls */
+ priv->restart_source = -1;
+
/* If we were connected we need to make sure to
tell people that it's no longer the case. */
if (priv->connected) {
@@ -309,18 +332,33 @@ watch_cb (DBusGProxy * proxy, guint service_api_version, guint this_service_vers
if (error != NULL) {
g_warning("Unable to set watch on '%s': '%s'", priv->name, error->message);
g_error_free(error);
+ start_service_again(INDICATOR_SERVICE_MANAGER(user_data));
return;
}
+ /* We've done it, now let's stop counting. */
+ /* Note: we're not checking versions. Because, the hope is that
+ the guy holding the name we want with the wrong version will
+ drop and we can start another service quickly. */
+ priv->restart_count = 0;
+
if (service_api_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_api_version);
dbus_g_proxy_call_no_reply(priv->service_proxy, "UnWatch", G_TYPE_INVALID);
+
+ /* Let's make us wait a little while, then try again */
+ priv->restart_count = TIMEOUT_A_LITTLE_WHILE;
+ start_service_again(INDICATOR_SERVICE_MANAGER(user_data));
return;
}
if (this_service_version != priv->this_service_version) {
g_warning("Service is using a different API version than the manager. Expecting %d and got %d.", priv->this_service_version, this_service_version);
dbus_g_proxy_call_no_reply(priv->service_proxy, "UnWatch", G_TYPE_INVALID);
+
+ /* Let's make us wait a little while, then try again */
+ priv->restart_count = TIMEOUT_A_LITTLE_WHILE;
+ start_service_again(INDICATOR_SERVICE_MANAGER(user_data));
return;
}
@@ -343,11 +381,13 @@ start_service_cb (DBusGProxy * proxy, guint status, GError * error, gpointer use
if (error != NULL) {
g_warning("Unable to start service '%s': %s", priv->name, error->message);
+ start_service_again(INDICATOR_SERVICE_MANAGER(user_data));
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);
+ start_service_again(INDICATOR_SERVICE_MANAGER(user_data));
return;
}
@@ -358,6 +398,7 @@ start_service_cb (DBusGProxy * proxy, guint status, GError * error, gpointer use
INDICATOR_SERVICE_INTERFACE,
&error);
g_object_add_weak_pointer(G_OBJECT(priv->service_proxy), (gpointer *)&(priv->service_proxy));
+ g_signal_connect(G_OBJECT(priv->service_proxy), "destroy", G_CALLBACK(service_proxy_destroyed), user_data);
org_ayatana_indicator_service_watch_async(priv->service_proxy,
watch_cb,
@@ -379,6 +420,11 @@ start_service (IndicatorServiceManager * service)
g_return_if_fail(priv->dbus_proxy != NULL);
g_return_if_fail(priv->name != NULL);
+ if (priv->service_proxy != NULL) {
+ g_object_unref(priv->service_proxy);
+ priv->service_proxy = NULL;
+ }
+
/* Check to see if we can get a proxy to it first. */
priv->service_proxy = dbus_g_proxy_new_for_name_owner(priv->bus,
priv->name,
@@ -396,6 +442,7 @@ start_service (IndicatorServiceManager * service)
service);
} else {
g_object_add_weak_pointer(G_OBJECT(priv->service_proxy), (gpointer *)&(priv->service_proxy));
+ g_signal_connect(G_OBJECT(priv->service_proxy), "destroy", G_CALLBACK(service_proxy_destroyed), service);
/* If we got a proxy just because we're good people then
we need to call watch on it just like 'start_service_cb'
@@ -408,6 +455,65 @@ start_service (IndicatorServiceManager * service)
return;
}
+/* Responds to the destory event of the proxy and starts
+ setting up to restart the service. */
+static void
+service_proxy_destroyed (DBusGProxy * proxy, gpointer user_data)
+{
+ IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(user_data);
+ if (priv->connected) {
+ priv->connected = FALSE;
+ g_signal_emit(G_OBJECT(user_data), signals[CONNECTION_CHANGE], 0, FALSE, TRUE);
+ }
+ return start_service_again(INDICATOR_SERVICE_MANAGER(user_data));
+}
+
+/* The callback that starts the service for real after
+ the timeout as determined in 'start_service_again'.
+ This could be in the idle or a timer. */
+static gboolean
+start_service_again_cb (gpointer data)
+{
+ IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(data);
+ priv->restart_count++;
+ start_service(INDICATOR_SERVICE_MANAGER(data));
+ priv->restart_source = 0;
+ return FALSE;
+}
+
+/* This function tries to start a new service, perhaps
+ after a timeout that it determines. The real issue
+ here is that it throttles restarting if we're not
+ being successful. */
+static void
+start_service_again (IndicatorServiceManager * manager)
+{
+ IndicatorServiceManagerPrivate * priv = INDICATOR_SERVICE_MANAGER_GET_PRIVATE(manager);
+
+ /* If we've already got a restart source running then
+ let's not do this again. */
+ if (priv->restart_source != 0) {
+ return;
+ }
+
+ /* Allow the restarting to be disabled */
+ if (g_getenv(TIMEOUT_ENV_NAME)) {
+ return;
+ }
+
+ if (priv->restart_count == 0) {
+ /* First time, do it in idle */
+ g_idle_add(start_service_again_cb, manager);
+ } else {
+ /* Not our first time 'round the block. Let's slow this down. */
+ if (priv->restart_count > 16)
+ priv->restart_count = 16; /* Not more than 1024x */
+ priv->restart_source = g_timeout_add((1 << priv->restart_count) * TIMEOUT_MULTIPLIER, start_service_again_cb, manager);
+ }
+
+ return;
+}
+
/* API */
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 12:39:57 +0000