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fp-device: Add a "open" property and method to check its state

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This commit is contained in:
Marco Trevisan (Treviño) 2019-12-05 15:05:59 +01:00
parent d01bb41b7c
commit 92a5278a74
2 changed files with 33 additions and 1 deletions
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31
libfprint/fp-device.c
View file

@ -88,6 +88,7 @@ enum {
PROP_DRIVER,
PROP_DEVICE_ID,
PROP_NAME,
PROP_OPEN,
PROP_NR_ENROLL_STAGES,
PROP_SCAN_TYPE,
PROP_FPI_ENVIRON,
@ -417,6 +418,10 @@ fp_device_get_property (GObject *object,
g_value_set_string (value, priv->device_name);
break;
case PROP_OPEN:
g_value_set_boolean (value, priv->is_open);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
@ -551,6 +556,12 @@ fp_device_class_init (FpDeviceClass *klass)
NULL,
G_PARAM_STATIC_STRINGS | G_PARAM_READABLE);
properties[PROP_OPEN] =
g_param_spec_boolean ("open",
"Opened",
"Wether the device is open or not", FALSE,
G_PARAM_STATIC_STRINGS | G_PARAM_READABLE);
properties[PROP_FPI_ENVIRON] =
g_param_spec_string ("fp-environ",
"Virtual Environment",
@ -628,6 +639,22 @@ fp_device_get_name (FpDevice *device)
return priv->device_name;
}
/**
* fp_device_is_open:
* @device: A #FpDevice
*
* Returns: Whether the device is open or not
*/
gboolean
fp_device_is_open (FpDevice *device)
{
FpDevicePrivate *priv = fp_device_get_instance_private (device);
g_return_val_if_fail (FP_IS_DEVICE (device), FALSE);
return priv->is_open;
}
/**
* fp_device_get_scan_type:
* @device: A #FpDevice
@ -1959,7 +1986,10 @@ fpi_device_open_complete (FpDevice *device, GError *error)
clear_device_cancel_action (device);
if (!error)
{
priv->is_open = TRUE;
g_object_notify_by_pspec (G_OBJECT (device), properties[PROP_OPEN]);
}
if (!error)
fp_device_return_task_in_idle (device, FP_DEVICE_TASK_RETURN_BOOL,
@ -1988,6 +2018,7 @@ fpi_device_close_complete (FpDevice *device, GError *error)
clear_device_cancel_action (device);
priv->is_open = FALSE;
g_object_notify_by_pspec (G_OBJECT (device), properties[PROP_OPEN]);
switch (priv->type)
{

1
libfprint/fp-device.h
View file

@ -129,6 +129,7 @@ typedef void (*FpEnrollProgress) (FpDevice *device,
const gchar *fp_device_get_driver (FpDevice *device);
const gchar *fp_device_get_device_id (FpDevice *device);
const gchar *fp_device_get_name (FpDevice *device);
gboolean fp_device_is_open (FpDevice *device);
FpScanType fp_device_get_scan_type (FpDevice *device);
gint fp_device_get_nr_enroll_stages (FpDevice *device);