chrome/browser/importer/importer_uma.cc

   1 // Copyright 2013 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 "build/build_config.h"
   6 #include "chrome/browser/importer/importer_uma.h"
   7
   8 namespace importer {
   9
  10 namespace {
  11
  12 // The enum used to register importer use.
  13 enum ImporterTypeMetrics {
  14   IMPORTER_METRICS_UNKNOWN         = 0,
  15 #if defined(OS_WIN)
  16   IMPORTER_METRICS_IE              = 1,
  17 #endif
  18   IMPORTER_METRICS_FIREFOX2        = 2,  // obsolete
  19   IMPORTER_METRICS_FIREFOX3        = 3,
  20 #if defined(OS_MACOSX)
  21   IMPORTER_METRICS_SAFARI          = 4,
  22 #endif
  23   IMPORTER_METRICS_GOOGLE_TOOLBAR5 = 5,  // obsolete
  24   IMPORTER_METRICS_BOOKMARKS_FILE  = 6,
  25
  26   // Insert new values here. Never remove any existing values, as this enum is
  27   // used to bucket a UMA histogram, and removing values breaks that.
  28   IMPORTER_METRICS_SIZE
  29 };
  30
  31 }  // namespace
  32
  33 void LogImporterUseToMetrics(const std::string& metric_postfix,
  34                              ImporterType type) {
  35   ImporterTypeMetrics metrics_type = IMPORTER_METRICS_UNKNOWN;
  36   switch (type) {
  37     case TYPE_UNKNOWN:
  38       metrics_type = IMPORTER_METRICS_UNKNOWN;
  39       break;
  40 #if defined(OS_WIN)
  41     case TYPE_IE:
  42       metrics_type = IMPORTER_METRICS_IE;
  43       break;
  44 #endif
  45     case TYPE_FIREFOX:
  46       metrics_type = IMPORTER_METRICS_FIREFOX3;
  47       break;
  48 #if defined(OS_MACOSX)
  49     case TYPE_SAFARI:
  50       metrics_type = IMPORTER_METRICS_SAFARI;
  51       break;
  52 #endif
  53     case TYPE_BOOKMARKS_FILE:
  54       metrics_type = IMPORTER_METRICS_BOOKMARKS_FILE;
  55       break;
  56   }
  57
  58   // Note: This leaks memory, which is the expected behavior as the factory
  59   // creates and owns the histogram.
  60   base::HistogramBase* histogram =
  61       base::LinearHistogram::FactoryGet(
  62           "Import.ImporterType." + metric_postfix,
  63           1,
  64           IMPORTER_METRICS_SIZE,
  65           IMPORTER_METRICS_SIZE + 1,
  66           base::HistogramBase::kUmaTargetedHistogramFlag);
  67   histogram->Add(metrics_type);
  68 }
  69
  70 }  // namespace importer