| # Copyright 2015 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. |
| """Temporary implementation of OpenStuffDelegate""" |
| |
| from ._delegate import BenchmarkDelegate |
| from .results import DrawEventLatencySeries |
| |
| |
| class OpenStuffDelegate(BenchmarkDelegate): |
| """Contains logic to measure the latency of opening stuff.""" |
| |
| def InitializeProcessor(self, processor, video_reader, screen_calibration): |
| processor.EnableDetectors(led=True) |
| |
| def ExecuteOnSubject(self, subject): |
| subject.camera.Prepare(6000, subject.exposure) |
| center = (subject.width / 2.0, subject.height / 2.0) |
| |
| subject.Tap(*center, blocking=True) |
| subject.camera.Trigger() |
| subject.Tap(*center, count=10) |
| |
| return subject.camera.ReceiveVideo() |
| |
| def ProcessTrace(self, trace, measurements): |
| measurements.AddSeriesInfo("LEDLatency", DrawEventLatencySeries) |
| series = measurements.AddSeries("LEDLatency") |
| for i in range(len(trace) - 1): |
| series.AddMEasurement(trace[i], trace[i + 1]) |
| |
