navigation_metrics_recorder.cc revision 8bcbed890bc3ce4d7a057a8f32cab53fa534672e 
1// Copyright (c) 2012 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/tab_contents/navigation_metrics_recorder.h"
6
7#include "base/metrics/histogram.h"
8#include "content/public/browser/navigation_details.h"
9#include "content/public/browser/navigation_entry.h"
10#include "content/public/browser/render_view_host.h"
11#include "content/public/browser/render_widget_host_view.h"
12
13#if defined(OS_WIN)
14#include "base/win/windows_version.h"
15#include "chrome/browser/metro_utils/metro_chrome_win.h"
16#endif
17
18DEFINE_WEB_CONTENTS_USER_DATA_KEY(NavigationMetricsRecorder);
19
20namespace {
21
22enum Scheme {
23  SCHEME_UNKNOWN,
24  SCHEME_HTTP,
25  SCHEME_HTTPS,
26  SCHEME_FILE,
27  SCHEME_FTP,
28  SCHEME_DATA,
29  SCHEME_JAVASCRIPT,
30  SCHEME_ABOUT,
31  SCHEME_CHROME,
32  SCHEME_MAX,
33};
34
35static const char* kSchemeNames[] = {
36  "unknown",
37  "http",
38  "https",
39  "file",
40  "ftp",
41  "data",
42  "javascript",
43  "about",
44  "chrome",
45  "max",
46};
47
48COMPILE_ASSERT(arraysize(kSchemeNames) == SCHEME_MAX + 1,
49               NavigationMetricsRecorder_name_count_mismatch);
50
51void RecordMainFrameNavigation(const content::LoadCommittedDetails& details) {
52  GURL url = details.entry->GetVirtualURL();
53  Scheme scheme = SCHEME_UNKNOWN;
54  for (int i = 1; i < SCHEME_MAX; ++i) {
55    if (url.SchemeIs(kSchemeNames[i])) {
56      scheme = static_cast<Scheme>(i);
57      break;
58    }
59  }
60  UMA_HISTOGRAM_ENUMERATION(
61      "Navigation.MainFrameScheme", scheme, SCHEME_MAX);
62}
63
64}  // namespace
65
66NavigationMetricsRecorder::NavigationMetricsRecorder(
67    content::WebContents* web_contents)
68    : content::WebContentsObserver(web_contents) {
69}
70
71NavigationMetricsRecorder::~NavigationMetricsRecorder() {
72}
73
74void NavigationMetricsRecorder::DidNavigateMainFrame(
75      const content::LoadCommittedDetails& details,
76      const content::FrameNavigateParams& params) {
77  RecordMainFrameNavigation(details);
78}
79
80void NavigationMetricsRecorder::DidStartLoading(
81    content::RenderViewHost* render_view_host) {
82#if defined(OS_WIN) && defined(USE_ASH)
83  if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
84    gfx::NativeView view = render_view_host->GetView()->GetNativeView();
85    if (view) {
86      chrome::HostDesktopType desktop =
87          chrome::GetHostDesktopTypeForNativeView(view);
88      UMA_HISTOGRAM_ENUMERATION("Win8.PageLoad",
89                                chrome::GetWin8Environment(desktop),
90                                chrome::WIN_8_ENVIRONMENT_MAX);
91    }
92  }
93#endif
94}
95
96
97