chrome/browser/android/hung_renderer_infobar_delegate.cc

   1 // Copyright 2015 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/android/hung_renderer_infobar_delegate.h"
   6
   7 #include "base/callback.h"
   8 #include "base/metrics/histogram.h"
   9 #include "chrome/browser/infobars/infobar_service.h"
  10 #include "chrome/grit/generated_resources.h"
  11 #include "components/infobars/core/infobar.h"
  12 #include "content/public/browser/render_process_host.h"
  13 #include "content/public/common/result_codes.h"
  14 #include "grit/theme_resources.h"
  15 #include "ui/base/l10n/l10n_util.h"
  16
  17 // static
  18 void HungRendererInfoBarDelegate::Create(
  19     InfoBarService* infobar_service,
  20     content::RenderProcessHost* render_process_host) {
  21   DCHECK(render_process_host);
  22   infobar_service->AddInfoBar(
  23       infobar_service->CreateConfirmInfoBar(scoped_ptr<ConfirmInfoBarDelegate>(
  24           new HungRendererInfoBarDelegate(render_process_host))));
  25 }
  26
  27 void HungRendererInfoBarDelegate::OnRendererResponsive() {
  28   LogEvent(RENDERER_BECAME_RESPONSIVE);
  29 }
  30
  31 HungRendererInfoBarDelegate::HungRendererInfoBarDelegate(
  32     content::RenderProcessHost* render_process_host)
  33     : render_process_host_(render_process_host),
  34       terminal_event_logged_for_uma_(false) {}
  35
  36 HungRendererInfoBarDelegate::~HungRendererInfoBarDelegate() {
  37   if (!terminal_event_logged_for_uma_)
  38     LogEvent(TAB_CLOSED);
  39 }
  40
  41 void HungRendererInfoBarDelegate::InfoBarDismissed() {
  42   LogEvent(CLOSE_CLICKED);
  43 }
  44
  45 HungRendererInfoBarDelegate*
  46 HungRendererInfoBarDelegate::AsHungRendererInfoBarDelegate() {
  47   return this;
  48 }
  49
  50 int HungRendererInfoBarDelegate::GetIconId() const {
  51   return IDR_INFOBAR_FROZEN_TAB;
  52 }
  53
  54 base::string16 HungRendererInfoBarDelegate::GetMessageText() const {
  55   return l10n_util::GetPluralStringFUTF16(IDS_BROWSER_HANGMONITOR_RENDERER, 1);
  56 }
  57
  58 base::string16 HungRendererInfoBarDelegate::GetButtonLabel(
  59     InfoBarButton button) const {
  60   return l10n_util::GetStringUTF16((button == BUTTON_OK)
  61                                        ? IDS_BROWSER_HANGMONITOR_RENDERER_END
  62                                        : IDS_BROWSER_HANGMONITOR_RENDERER_WAIT);
  63 }
  64
  65 bool HungRendererInfoBarDelegate::Accept() {
  66   LogEvent(KILL_CLICKED);
  67   render_process_host_->Shutdown(content::RESULT_CODE_HUNG, false);
  68   return true;
  69 }
  70
  71 bool HungRendererInfoBarDelegate::Cancel() {
  72   LogEvent(WAIT_CLICKED);
  73   return true;
  74 }
  75
  76 void HungRendererInfoBarDelegate::LogEvent(Event event) {
  77   DCHECK(!terminal_event_logged_for_uma_);
  78   terminal_event_logged_for_uma_ = true;
  79   UMA_HISTOGRAM_ENUMERATION("Renderer.Hung.MobileInfoBar.UserEvent", event,
  80                             EVENT_COUNT);
  81 }