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device: Expose finger status as DBus properties

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libfprint v1.90.4 introduced a new finger status API to expose to the UI
the finger status on sensor.

Add two new properties to the Device interface that represent the
possible values.

Add new tests.
This commit is contained in:
Marco Trevisan (Treviño)
2020-12-05 06:19:06 +01:00
committed by Benjamin Berg
parent 30eaaf2def
commit 1835d99265
4 changed files with 172 additions and 4 deletions
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23
src/device.c
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@ -327,6 +327,24 @@ on_scan_type_changed (FprintDevice *rdev,
fprint_dbus_device_get_scan_type (dbus_dev));
}
static void
on_finger_status_changed (FprintDevice *rdev,
GParamSpec *spec,
FpDevice *device)
{
FprintDBusDevice *dbus_dev = FPRINT_DBUS_DEVICE (rdev);
FpFingerStatusFlags finger_status = fp_device_get_finger_status (device);
gboolean present, needed;
present = !!(finger_status & FP_FINGER_STATUS_PRESENT);
fprint_dbus_device_set_finger_present (dbus_dev, present);
g_debug ("Finger present %d", present);
needed = !!(finger_status & FP_FINGER_STATUS_NEEDED);
fprint_dbus_device_set_finger_needed (dbus_dev, needed);
g_debug ("Finger needed %d", needed);
}
static void
fprint_device_constructed (GObject *object)
{
@ -346,6 +364,11 @@ fprint_device_constructed (GObject *object)
rdev, G_CONNECT_SWAPPED);
on_nr_enroll_stages_changed (rdev, NULL, priv->dev);
g_signal_connect_object (priv->dev, "notify::finger-status",
G_CALLBACK (on_finger_status_changed),
rdev, G_CONNECT_SWAPPED);
on_finger_status_changed (rdev, NULL, priv->dev);
G_OBJECT_CLASS (fprint_device_parent_class)->constructed (object);
}