| # Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| from __future__ import absolute_import |
| from __future__ import division |
| from __future__ import print_function |
| |
| |
| import mtlib |
| |
| from fuzzy_check import FuzzyCheck |
| from validators import * |
| |
| # originally generated gestures: |
| # FlingStop |
| # ButtonDown(1) |
| # ButtonUp(1) |
| |
| def Validate(raw, events, gestures): |
| # This log was recorded from the button getting pressed down without a finger |
| # on the pad, then a real finger taps, before the button is released. |
| # The test should pass if only the tap is registered, the button should be |
| # ignored entirely, so we check for a ButtonDown and ButtonUp that occur at |
| # the same time (tap) and reject if there is a time gap (button press) |
| |
| down_event_type = mtlib.gesture_log.ButtonDownGesture |
| up_event_type = mtlib.gesture_log.ButtonUpGesture |
| |
| down_events = [e for e in events if type(e) == down_event_type] |
| up_events = [e for e in events if type(e) == up_event_type] |
| |
| # First check that there is only 1 click/tap seen (not both) |
| if (len(down_events) != 1 or len(up_events) != 1): |
| return 0.0, 'Too many button press events!' |
| |
| # Next, measure the time delta between the down and the up |
| start_delta = down_events[0].start - up_events[0].start |
| end_delta = down_events[0].end - up_events[0].end |
| |
| if (start_delta != 0.0 or end_delta != 0.0): |
| return 0.0, 'Button events occured too far apart!' |
| |
| return 1.0, 'Success' |
