Stop extra signals from being emitted

Some devices keep sending us signals when an enrollment or
verification finished. Ignore all those signals, we hate them.
This commit is contained in:
Bastien Nocera 2008-11-26 18:05:22 +00:00 committed by Daniel Drake
parent 3941c3bff2
commit 6a480f409d

View file

@ -117,6 +117,8 @@ struct FprintDevicePrivate {
/* whether we're running an identify, or a verify */
FprintDeviceAction current_action;
/* Whether we should ignore new signals on the device */
gboolean action_done;
};
typedef struct FprintDevicePrivate FprintDevicePrivate;
@ -780,16 +782,18 @@ static void verify_cb(struct fp_dev *dev, int r, struct fp_img *img,
struct FprintDevice *rdev = user_data;
FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
const char *name = verify_result_to_name (r);
gboolean done = FALSE;
if (priv->action_done != FALSE)
return;
g_message("verify_cb: result %s (%d)", name, r);
if (r == FP_VERIFY_NO_MATCH || r == FP_VERIFY_MATCH || r < 0)
done = TRUE;
g_signal_emit(rdev, signals[SIGNAL_VERIFY_STATUS], 0, name, done);
priv->action_done = TRUE;
g_signal_emit(rdev, signals[SIGNAL_VERIFY_STATUS], 0, name, priv->action_done);
fp_img_free(img);
if (done && priv->verify_data) {
if (priv->action_done && priv->verify_data) {
fp_print_data_free (priv->verify_data);
priv->verify_data = NULL;
}
@ -801,16 +805,18 @@ static void identify_cb(struct fp_dev *dev, int r,
struct FprintDevice *rdev = user_data;
FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
const char *name = verify_result_to_name (r);
gboolean done = FALSE;
if (priv->action_done != FALSE)
return;
g_message("identify_cb: result %s (%d)", name, r);
if (r == FP_VERIFY_NO_MATCH || r == FP_VERIFY_MATCH || r < 0)
done = TRUE;
g_signal_emit(rdev, signals[SIGNAL_VERIFY_STATUS], 0, name, done);
priv->action_done = TRUE;
g_signal_emit(rdev, signals[SIGNAL_VERIFY_STATUS], 0, name, priv->action_done);
fp_img_free(img);
if (done && priv->identify_data != NULL) {
if (priv->action_done && priv->identify_data != NULL) {
guint i;
for (i = 0; priv->identify_data[i] != NULL; i++)
fp_print_data_free(priv->identify_data[i]);
@ -853,6 +859,7 @@ static void fprint_device_verify_start(FprintDevice *rdev,
g_error_free (error);
return;
}
priv->action_done = FALSE;
if (finger_num == -1) {
GSList *prints;
@ -1013,9 +1020,12 @@ static void enroll_stage_cb(struct fp_dev *dev, int result,
struct FprintDevice *rdev = user_data;
FprintDevicePrivate *priv = DEVICE_GET_PRIVATE(rdev);
struct session_data *session = priv->session;
gboolean done = FALSE;
int r;
/* We're done, ignore new events for the action */
if (priv->action_done != FALSE)
return;
g_message("enroll_stage_cb: result %d", result);
if (result == FP_ENROLL_COMPLETE) {
r = store.print_data_save(print, session->enroll_finger, priv->username);
@ -1024,8 +1034,10 @@ static void enroll_stage_cb(struct fp_dev *dev, int result,
}
if (result == FP_ENROLL_COMPLETE || result == FP_ENROLL_FAIL || result < 0)
done = TRUE;
g_signal_emit(rdev, signals[SIGNAL_ENROLL_STATUS], 0, enroll_result_to_name (result), done);
priv->action_done = TRUE;
g_signal_emit(rdev, signals[SIGNAL_ENROLL_STATUS], 0, enroll_result_to_name (result), priv->action_done);
fp_img_free(img);
fp_print_data_free(print);
}
@ -1072,6 +1084,7 @@ static void fprint_device_enroll_start(FprintDevice *rdev,
g_message("start enrollment device %d finger %d", priv->id, finger_num);
session->enroll_finger = finger_num;
priv->action_done = FALSE;
r = fp_async_enroll_start(priv->dev, enroll_stage_cb, rdev);
if (r < 0) {