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fp-image-device: Report finger status changes to the device

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While the image device has its own finger status tracking, we use a simpler
version as public data information, so let's just report the finger-on/off
and when a finger is expected to the parent class.

Verify that this happens as expected using the virtual-image class
This commit is contained in:
Marco Trevisan (Treviño)
2020-03-26 21:42:35 +01:00
committed by Marco Trevisan
parent 3c382cac7f
commit 893ff9c033
2 changed files with 41 additions and 0 deletions
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28
libfprint/fpi-image-device.c
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@@ -140,6 +140,19 @@ fp_image_device_change_state (FpImageDevice *self, FpiImageDeviceState state)
priv->state = state;
g_object_notify (G_OBJECT (self), "fpi-image-device-state");
g_signal_emit_by_name (self, "fpi-image-device-state-changed", priv->state);
if (state == FPI_IMAGE_DEVICE_STATE_AWAIT_FINGER_ON)
{
fpi_device_report_finger_status_changes (FP_DEVICE (self),
FP_FINGER_STATUS_NEEDED,
FP_FINGER_STATUS_NONE);
}
else if (state == FPI_IMAGE_DEVICE_STATE_AWAIT_FINGER_OFF)
{
fpi_device_report_finger_status_changes (FP_DEVICE (self),
FP_FINGER_STATUS_NONE,
FP_FINGER_STATUS_NEEDED);
}
}
static void
@@ -395,6 +408,19 @@ fpi_image_device_report_finger_status (FpImageDevice *self,
FpImageDevicePrivate *priv = fp_image_device_get_instance_private (self);
FpiDeviceAction action;
if (present)
{
fpi_device_report_finger_status_changes (device,
FP_FINGER_STATUS_PRESENT,
FP_FINGER_STATUS_NONE);
}
else
{
fpi_device_report_finger_status_changes (device,
FP_FINGER_STATUS_NONE,
FP_FINGER_STATUS_PRESENT);
}
if (priv->state == FPI_IMAGE_DEVICE_STATE_INACTIVE)
{
/* Do we really want to always ignore such reports? We could
@@ -684,6 +710,8 @@ fpi_image_device_open_complete (FpImageDevice *self, GError *error)
priv->state = FPI_IMAGE_DEVICE_STATE_INACTIVE;
g_object_notify (G_OBJECT (self), "fpi-image-device-state");
fpi_device_report_finger_status (FP_DEVICE (self), FP_FINGER_STATUS_NONE);
fpi_device_open_complete (FP_DEVICE (self), error);
}