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fp-device: Add finger-status property

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It can be used by drivers to report the state of the finger on sensor
This commit is contained in:
Marco Trevisan (Treviño)
2020-03-26 20:49:48 +01:00
committed by Marco Trevisan
parent ae3baadcf9
commit 42e4506b1b
8 changed files with 264 additions and 1 deletions
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32
libfprint/fp-device.c
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@@ -46,6 +46,7 @@ enum {
PROP_OPEN,
PROP_NR_ENROLL_STAGES,
PROP_SCAN_TYPE,
PROP_FINGER_STATUS,
PROP_FPI_ENVIRON,
PROP_FPI_USB_DEVICE,
PROP_FPI_DRIVER_DATA,
@@ -181,6 +182,10 @@ fp_device_get_property (GObject *object,
g_value_set_enum (value, priv->scan_type);
break;
case PROP_FINGER_STATUS:
g_value_set_enum (value, priv->finger_status);
break;
case PROP_DRIVER:
g_value_set_static_string (value, FP_DEVICE_GET_CLASS (priv)->id);
break;
@@ -310,6 +315,13 @@ fp_device_class_init (FpDeviceClass *klass)
FP_TYPE_SCAN_TYPE, FP_SCAN_TYPE_SWIPE,
G_PARAM_STATIC_STRINGS | G_PARAM_READABLE);
properties[PROP_FINGER_STATUS] =
g_param_spec_flags ("finger-status",
"FingerStatus",
"The status of the finger",
FP_TYPE_FINGER_STATUS_FLAGS, FP_FINGER_STATUS_NONE,
G_PARAM_STATIC_STRINGS | G_PARAM_READABLE);
properties[PROP_DRIVER] =
g_param_spec_string ("driver",
"Driver",
@@ -469,6 +481,26 @@ fp_device_get_scan_type (FpDevice *device)
return priv->scan_type;
}
/**
* fp_device_get_finger_status:
* @device: A #FpDevice
*
* Retrieves the finger status flags for the device.
* This can be used by the UI to present the relevant feedback, although it
* is not guaranteed to be a relevant value when not performing any action.
*
* Returns: The current #FpFingerStatusFlags
*/
FpFingerStatusFlags
fp_device_get_finger_status (FpDevice *device)
{
FpDevicePrivate *priv = fp_device_get_instance_private (device);
g_return_val_if_fail (FP_IS_DEVICE (device), FP_SCAN_TYPE_SWIPE);
return priv->finger_status;
}
/**
* fp_device_get_nr_enroll_stages:
* @device: A #FpDevice