chrome/browser/tab_contents/navigation_metrics_recorder.cc

   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_macros.h"
   8 #include "chrome/browser/browser_process.h"
   9 #include "components/navigation_metrics/navigation_metrics.h"
  10 #include "components/rappor/rappor_utils.h"
  11 #include "content/public/browser/browser_thread.h"
  12 #include "content/public/browser/navigation_details.h"
  13 #include "content/public/browser/navigation_entry.h"
  14 #include "content/public/browser/render_view_host.h"
  15 #include "content/public/browser/render_widget_host_view.h"
  16 #include "content/public/common/frame_navigate_params.h"
  17 #include "url/gurl.h"
  18
  19 #if defined(OS_WIN)
  20 #include "base/win/windows_version.h"
  21 #include "chrome/browser/metro_utils/metro_chrome_win.h"
  22 #endif
  23
  24 DEFINE_WEB_CONTENTS_USER_DATA_KEY(NavigationMetricsRecorder);
  25
  26 NavigationMetricsRecorder::NavigationMetricsRecorder(
  27     content::WebContents* web_contents)
  28     : content::WebContentsObserver(web_contents) {
  29 }
  30
  31 NavigationMetricsRecorder::~NavigationMetricsRecorder() {
  32 }
  33
  34 void NavigationMetricsRecorder::DidNavigateMainFrame(
  35       const content::LoadCommittedDetails& details,
  36       const content::FrameNavigateParams& params) {
  37   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
  38   navigation_metrics::RecordMainFrameNavigation(details.entry->GetVirtualURL(),
  39                                                 details.is_in_page);
  40   // Record the domain and registry of the URL that resulted in a navigation to
  41   // a |data:| URL, either by redirects or user clicking a link.
  42   if (details.entry->GetVirtualURL().SchemeIs(url::kDataScheme) &&
  43       params.transition != ui::PAGE_TRANSITION_TYPED &&
  44       !details.previous_url.is_empty()) {
  45     rappor::SampleDomainAndRegistryFromGURL(g_browser_process->rappor_service(),
  46                                             "Navigation.Scheme.Data",
  47                                             details.previous_url);
  48   }
  49 }
  50
  51 void NavigationMetricsRecorder::DidStartLoading() {
  52 #if defined(OS_WIN) && defined(USE_ASH)
  53   content::RenderViewHost* rvh = web_contents()->GetRenderViewHost();
  54
  55   if (rvh && base::win::GetVersion() >= base::win::VERSION_WIN8) {
  56     content::RenderWidgetHostView* rwhv = rvh->GetView();
  57     if (rwhv) {
  58       gfx::NativeView native_view = rwhv->GetNativeView();
  59       if (native_view) {
  60         chrome::HostDesktopType desktop =
  61             chrome::GetHostDesktopTypeForNativeView(native_view);
  62         UMA_HISTOGRAM_ENUMERATION("Win8.PageLoad",
  63                                   chrome::GetWin8Environment(desktop),
  64                                   chrome::WIN_8_ENVIRONMENT_MAX);
  65       }
  66     }
  67   }
  68 #endif
  69 }