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fp-device: Gracefully handle capture calls on devices with no support

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This commit is contained in:
Marco Trevisan (Treviño)
2021-04-09 20:08:26 +02:00
parent 3717468a8a
commit bd99f865d8
3 changed files with 40 additions and 1 deletions
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11
libfprint/fp-device.c
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@@ -1191,6 +1191,7 @@ fp_device_capture (FpDevice *device,
{
g_autoptr(GTask) task = NULL;
FpDevicePrivate *priv = fp_device_get_instance_private (device);
FpDeviceClass *cls = FP_DEVICE_GET_CLASS (device);
task = g_task_new (device, cancellable, callback, user_data);
if (g_task_return_error_if_cancelled (task))
@@ -1210,13 +1211,21 @@ fp_device_capture (FpDevice *device,
return;
}
if (!cls->capture || !(cls->features & FPI_DEVICE_FEATURE_CAPTURE))
{
g_task_return_error (task,
fpi_device_error_new_msg (FP_DEVICE_ERROR_NOT_SUPPORTED,
"Device has no verification support"));
return;
}
priv->current_action = FPI_DEVICE_ACTION_CAPTURE;
priv->current_task = g_steal_pointer (&task);
maybe_cancel_on_cancelled (device, cancellable);
priv->wait_for_finger = wait_for_finger;
FP_DEVICE_GET_CLASS (device)->capture (device);
cls->capture (device);
}
/**