chrome/browser/metrics/chrome_browser_main_extra_parts_metrics_mac.mm

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
   6
   7 #include "base/mac/sdk_forward_declarations.h"
   8 #include "base/metrics/histogram.h"
   9
  10 namespace {
  11
  12 // The possible values of the setting "Screens Have Separate Spaces".
  13 enum ScreenSpacesConfiguration {
  14   SCREENS_CANNOT_HAVE_SEPARATE_SPACES = 0,
  15   SCREENS_HAVE_SEPARATE_SPACES = 1,
  16   SCREENS_HAVE_SHARED_SPACES = 2,
  17   SCREEN_SPACES_CONFIGURATION_COUNT = 3
  18 };
  19
  20 }  // namespace
  21
  22 void ChromeBrowserMainExtraPartsMetrics::RecordMacMetrics() {
  23   ScreenSpacesConfiguration separate_spaces =
  24       SCREENS_CANNOT_HAVE_SEPARATE_SPACES;
  25
  26   if ([NSScreen respondsToSelector:@selector(screensHaveSeparateSpaces)]) {
  27     BOOL screens_have_separate_spaces = [NSScreen screensHaveSeparateSpaces];
  28     separate_spaces = screens_have_separate_spaces
  29                           ? SCREENS_HAVE_SEPARATE_SPACES
  30                           : SCREENS_HAVE_SHARED_SPACES;
  31   }
  32   UMA_HISTOGRAM_ENUMERATION("OSX.Settings.ScreensHaveSeparateSpaces",
  33                             separate_spaces,
  34                             SCREEN_SPACES_CONFIGURATION_COUNT);
  35 }