tp_gesture_handle_state_unknown

static enum tp_gesture_state
tp_gesture_handle_state_unknown(struct tp_dispatch *tp, uint64_t time)
{
	struct tp_touch *first = tp->gesture.touches[0],
			*second = tp->gesture.touches[1];
	uint32_t dir1, dir2;
	int yres = tp->device->abs.absinfo_y->resolution;
	int vert_distance;

	/* for two-finger gestures, if the fingers stay unmoving for a
	 * while, assume (slow) scroll */
	if (tp->gesture.finger_count == 2) {
		if (time > (tp->gesture.initial_time + DEFAULT_GESTURE_2FG_SCROLL_TIMEOUT)) {
			tp_gesture_set_scroll_buildup(tp);
			return GESTURE_STATE_SCROLL;
		}

		/* Else check if one finger is > 20mm below the others */
		vert_distance = abs(first->point.y - second->point.y);
		if (vert_distance > 20 * yres &&
		    tp->gesture.finger_count > 2 &&
		    tp->gesture.enabled) {
			tp_gesture_init_pinch(tp);
			return GESTURE_STATE_PINCH;
		}
	}

	/* Else wait for both fingers to have moved */
	dir1 = tp_gesture_get_direction(tp, first, tp->gesture.finger_count);
	dir2 = tp_gesture_get_direction(tp, second, tp->gesture.finger_count);
    printf("\n \n====== DIR 1 ======== : %f\n", (double) dir1 );
    printf("====== DIR 2 ========: %f\n \n", (double) dir2 );

	if (dir1 == UNDEFINED_DIRECTION || dir2 == UNDEFINED_DIRECTION)
		return GESTURE_STATE_UNKNOWN;

	/* If both touches are moving in the same direction assume
	 * scroll or swipe */
	if (tp_gesture_same_directions(dir1, dir2)) {
		if (tp->gesture.finger_count == 2) {
			tp_gesture_set_scroll_buildup(tp);
			return GESTURE_STATE_SCROLL;
		} else if (tp->gesture.enabled) {
			return GESTURE_STATE_SWIPE;
		}
	} else {
            tp_gesture_init_pinch(tp);
            return GESTURE_STATE_PINCH;
	}

	return GESTURE_STATE_UNKNOWN;
}