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authorCharles Kerr <charles.kerr@canonical.com>2012-07-06 13:30:54 -0500
committerCharles Kerr <charles.kerr@canonical.com>2012-07-06 13:30:54 -0500
commit101cb8330b008d1ad899c08e7a016db0d657fa84 (patch)
treeb252ead55696977f2eb4a1b45a0598eea5cdcbc6 /src
parenta578e5d5e3e0e8f2bcbdcdd5079af4f886d4dd4e (diff)
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Don't trigger unnecessary change events in the user proxy.
Diffstat (limited to 'src')
-rw-r--r--src/users-service-dbus.c33
1 files changed, 25 insertions, 8 deletions
diff --git a/src/users-service-dbus.c b/src/users-service-dbus.c
index 2b92ef8..9b8b758 100644
--- a/src/users-service-dbus.c
+++ b/src/users-service-dbus.c
@@ -510,26 +510,43 @@ add_user_sessions (UsersServiceDbus *self, AccountsUser * user)
}
static void
-copy_proxy_properties (GDBusProxy * source, GDBusProxy * target)
+sync_proxy_properties (GDBusProxy * source, GDBusProxy * target)
{
gchar ** keys = g_dbus_proxy_get_cached_property_names (source);
if (keys != NULL)
{
int i;
+ gboolean changed = FALSE;
GVariantBuilder builder;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a{sv}"));
for (i=0; keys[i]; i++)
{
const gchar * const key = keys[i];
- GVariant * value = g_dbus_proxy_get_cached_property (source, key);
- g_dbus_proxy_set_cached_property (target, key, value);
- g_variant_builder_add (&builder, "{sv}", key, value);
- g_variant_unref (value);
+ GVariant * oldval = g_dbus_proxy_get_cached_property (target, key);
+ GVariant * newval = g_dbus_proxy_get_cached_property (source, key);
+
+ /* if it's a basic type which has changed, or a nonbasic type
+ we can't easily compare, then update target's cached property */
+ if (!g_variant_type_is_basic(g_variant_get_type(newval)) || g_variant_compare(oldval,newval))
+ {
+ changed = TRUE;
+ g_debug ("updating property '%s'", key);
+ g_dbus_proxy_set_cached_property (target, key, newval);
+ g_variant_builder_add (&builder, "{sv}", key, newval);
+ }
+
+ g_variant_unref (newval);
+ g_variant_unref (oldval);
+ }
+
+ if (changed)
+ {
+ g_signal_emit_by_name (target, "g-properties-changed", g_variant_builder_end(&builder), keys);
}
- g_signal_emit_by_name (target, "g-properties-changed", g_variant_builder_end(&builder), keys);
+ g_variant_builder_clear (&builder);
g_strfreev (keys);
}
}
@@ -551,7 +568,7 @@ on_user_changed (AccountsUser * user, UsersServiceDbus * service)
NULL);
if (tmp != NULL)
{
- copy_proxy_properties (G_DBUS_PROXY(tmp), G_DBUS_PROXY(user));
+ sync_proxy_properties (G_DBUS_PROXY(tmp), G_DBUS_PROXY(user));
g_object_unref (tmp);
}
}
@@ -581,7 +598,7 @@ add_user_from_object_path (UsersServiceDbus * self,
if (prev != NULL) /* we've already got this user... sync its properties */
{
- copy_proxy_properties (G_DBUS_PROXY(user), G_DBUS_PROXY(prev));
+ sync_proxy_properties (G_DBUS_PROXY(user), G_DBUS_PROXY(prev));
g_object_unref (user);
user = prev;
}