components/navigation_metrics/navigation_metrics.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 "components/navigation_metrics/navigation_metrics.h"
   6
   7 #include "base/metrics/histogram.h"
   8 #include "url/gurl.h"
   9
  10 namespace {
  11
  12 // This enum is used in building the histogram. So, this is append only,
  13 // any new scheme should be added at the end, before SCHEME_MAX
  14 enum Scheme {
  15   SCHEME_UNKNOWN,
  16   SCHEME_HTTP,
  17   SCHEME_HTTPS,
  18   SCHEME_FILE,
  19   SCHEME_FTP,
  20   SCHEME_DATA,
  21   SCHEME_JAVASCRIPT,
  22   SCHEME_ABOUT,
  23   SCHEME_CHROME,
  24   SCHEME_BLOB,
  25   SCHEME_MAX,
  26 };
  27
  28 const char* const kSchemeNames[] = {
  29   "unknown",
  30   url::kHttpScheme,
  31   url::kHttpsScheme,
  32   url::kFileScheme,
  33   url::kFtpScheme,
  34   url::kDataScheme,
  35   url::kJavaScriptScheme,
  36   url::kAboutScheme,
  37   "chrome",
  38   url::kBlobScheme,
  39   "max",
  40 };
  41
  42 static_assert(arraysize(kSchemeNames) == SCHEME_MAX + 1,
  43               "kSchemeNames should have SCHEME_MAX + 1 elements");
  44
  45 }  // namespace
  46
  47 namespace navigation_metrics {
  48
  49 void RecordMainFrameNavigation(const GURL& url, bool is_in_page) {
  50   Scheme scheme = SCHEME_UNKNOWN;
  51   for (int i = 1; i < SCHEME_MAX; ++i) {
  52     if (url.SchemeIs(kSchemeNames[i])) {
  53       scheme = static_cast<Scheme>(i);
  54       break;
  55     }
  56   }
  57   UMA_HISTOGRAM_ENUMERATION("Navigation.MainFrameScheme", scheme, SCHEME_MAX);
  58   if (!is_in_page) {
  59     UMA_HISTOGRAM_ENUMERATION(
  60         "Navigation.MainFrameSchemeDifferentPage", scheme, SCHEME_MAX);
  61   }
  62 }
  63
  64 }  // namespace navigation_metrics