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mixer-ui-device: Improve GObject properties gunk a bit

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Keep track of the `GParamSpec`s of the properties. This allows us to use
`g_object_notify_by_pspec()`, which is a bit more performant than
`g_object_notify()`(as it doesn't need to take a global lock to lookup
the property name). It also prevents accidental typos in the property
name at compile time.

Also always add `G_PARAM_STATIC_STRINGS`, to prevent some unnecessary
string duplications of property name, blurb and description.
This commit is contained in:
Niels De Graef 2022-05-29 13:46:03 +02:00 committed by Bastien Nocera
parent ed28e761d5
commit 000046e887
1 changed files with 30 additions and 27 deletions
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57
gvc-mixer-ui-device.c
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@ -55,7 +55,9 @@ enum
PROP_UI_DEVICE_TYPE,
PROP_PORT_AVAILABLE,
PROP_ICON_NAME,
N_PROPS
};
static GParamSpec *obj_props[N_PROPS] = { NULL, };
static void gvc_mixer_ui_device_finalize (GObject *object);
@ -224,7 +226,6 @@ static void
gvc_mixer_ui_device_class_init (GvcMixerUIDeviceClass *klass)
{
GObjectClass* object_class = G_OBJECT_CLASS (klass);
GParamSpec *pspec;
object_class->constructor = gvc_mixer_ui_device_constructor;
object_class->dispose = gvc_mixer_ui_device_dispose;
@ -232,62 +233,64 @@ gvc_mixer_ui_device_class_init (GvcMixerUIDeviceClass *klass)
object_class->set_property = gvc_mixer_ui_device_set_property;
object_class->get_property = gvc_mixer_ui_device_get_property;
pspec = g_param_spec_string ("description",
obj_props[PROP_DESC_LINE_1] =
g_param_spec_string ("description",
"Description construct prop",
"Set first line description",
"no-name-set",
G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_DESC_LINE_1, pspec);
G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
pspec = g_param_spec_string ("origin",
obj_props[PROP_DESC_LINE_2] =
g_param_spec_string ("origin",
"origin construct prop",
"Set second line description name",
"no-name-set",
G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_DESC_LINE_2, pspec);
G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
pspec = g_param_spec_pointer ("card",
obj_props[PROP_CARD] =
g_param_spec_pointer ("card",
"Card from pulse",
"Set/Get card",
G_PARAM_READWRITE);
G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_CARD, pspec);
pspec = g_param_spec_string ("port-name",
obj_props[PROP_PORT_NAME] =
g_param_spec_string ("port-name",
"port-name construct prop",
"Set port-name",
NULL,
G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_PORT_NAME, pspec);
G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
pspec = g_param_spec_uint ("stream-id",
obj_props[PROP_STREAM_ID] =
g_param_spec_uint ("stream-id",
"stream id assigned by gvc-stream",
"Set/Get stream id",
0,
G_MAXUINT,
GVC_MIXER_UI_DEVICE_INVALID,
G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_STREAM_ID, pspec);
G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
pspec = g_param_spec_uint ("type",
obj_props[PROP_UI_DEVICE_TYPE] =
g_param_spec_uint ("type",
"ui-device type",
"determine whether its an input and output",
0, 1, 0, G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_UI_DEVICE_TYPE, pspec);
0, 1, 0,
G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
pspec = g_param_spec_boolean ("port-available",
obj_props[PROP_PORT_AVAILABLE] =
g_param_spec_boolean ("port-available",
"available",
"determine whether this port is available",
FALSE,
G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_PORT_AVAILABLE, pspec);
G_PARAM_READWRITE|G_PARAM_STATIC_STRINGS);
pspec = g_param_spec_string ("icon-name",
obj_props[PROP_ICON_NAME] =
g_param_spec_string ("icon-name",
"Icon Name",
"Name of icon to display for this card",
NULL,
G_PARAM_READWRITE|G_PARAM_CONSTRUCT);
g_object_class_install_property (object_class, PROP_ICON_NAME, pspec);
G_PARAM_READWRITE|G_PARAM_CONSTRUCT|G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_PROPS, obj_props);
}
/* Removes the part of the string that starts with skip_prefix
@ -650,7 +653,7 @@ gvc_mixer_ui_device_set_icon_name (GvcMixerUIDevice *device,
g_free (device->priv->icon_name);
device->priv->icon_name = g_strdup (icon_name);
g_object_notify (G_OBJECT (device), "icon-name");
g_object_notify_by_pspec (G_OBJECT (device), obj_props[PROP_ICON_NAME]);
}