src/chrome/browser/three_d_api_observer.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/three_d_api_observer.h"
   6
   7 #include "base/metrics/histogram.h"
   8 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
   9 #include "chrome/browser/infobars/infobar_service.h"
  10 #include "chrome/browser/tab_contents/tab_util.h"
  11 #include "components/infobars/core/infobar.h"
  12 #include "content/public/browser/gpu_data_manager.h"
  13 #include "grit/generated_resources.h"
  14 #include "grit/theme_resources.h"
  15 #include "ui/base/l10n/l10n_util.h"
  16
  17
  18 // ThreeDAPIInfoBarDelegate ---------------------------------------------------
  19
  20 class ThreeDAPIInfoBarDelegate : public ConfirmInfoBarDelegate {
  21  public:
  22   // Creates a 3D API infobar and delegate and adds the infobar to
  23   // |infobar_service|.
  24   static void Create(InfoBarService* infobar_service,
  25                      const GURL& url,
  26                      content::ThreeDAPIType requester);
  27
  28  private:
  29   enum DismissalHistogram {
  30     IGNORED,
  31     RELOADED,
  32     CLOSED_WITHOUT_ACTION,
  33     DISMISSAL_MAX
  34   };
  35
  36   ThreeDAPIInfoBarDelegate(const GURL& url, content::ThreeDAPIType requester);
  37   virtual ~ThreeDAPIInfoBarDelegate();
  38
  39   // ConfirmInfoBarDelegate:
  40   virtual bool EqualsDelegate(
  41       infobars::InfoBarDelegate* delegate) const OVERRIDE;
  42   virtual int GetIconID() const OVERRIDE;
  43   virtual base::string16 GetMessageText() const OVERRIDE;
  44   virtual base::string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
  45   virtual bool Accept() OVERRIDE;
  46   virtual bool Cancel() OVERRIDE;
  47   virtual base::string16 GetLinkText() const OVERRIDE;
  48   virtual bool LinkClicked(WindowOpenDisposition disposition) OVERRIDE;
  49
  50   GURL url_;
  51   content::ThreeDAPIType requester_;
  52   // Basically indicates whether the infobar was displayed at all, or
  53   // was a temporary instance thrown away by the InfobarService.
  54   mutable bool message_text_queried_;
  55   bool action_taken_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(ThreeDAPIInfoBarDelegate);
  58 };
  59
  60 // static
  61 void ThreeDAPIInfoBarDelegate::Create(InfoBarService* infobar_service,
  62                                       const GURL& url,
  63                                       content::ThreeDAPIType requester) {
  64   if (!infobar_service)
  65     return;  // NULL for apps.
  66   infobar_service->AddInfoBar(ConfirmInfoBarDelegate::CreateInfoBar(
  67       scoped_ptr<ConfirmInfoBarDelegate>(
  68           new ThreeDAPIInfoBarDelegate(url, requester))));
  69 }
  70
  71 ThreeDAPIInfoBarDelegate::ThreeDAPIInfoBarDelegate(
  72     const GURL& url,
  73     content::ThreeDAPIType requester)
  74     : ConfirmInfoBarDelegate(),
  75       url_(url),
  76       requester_(requester),
  77       message_text_queried_(false),
  78       action_taken_(false) {
  79 }
  80
  81 ThreeDAPIInfoBarDelegate::~ThreeDAPIInfoBarDelegate() {
  82   if (message_text_queried_ && !action_taken_) {
  83     UMA_HISTOGRAM_ENUMERATION("GPU.ThreeDAPIInfoBarDismissal",
  84                               CLOSED_WITHOUT_ACTION, DISMISSAL_MAX);
  85   }
  86 }
  87
  88 bool ThreeDAPIInfoBarDelegate::EqualsDelegate(
  89     infobars::InfoBarDelegate* delegate) const {
  90   // For the time being, if a given web page is actually using both
  91   // WebGL and Pepper 3D and both APIs are blocked, just leave the
  92   // first infobar up. If the user selects "try again", both APIs will
  93   // be unblocked and the web page reload will succeed.
  94   return delegate->GetIconID() == GetIconID();
  95 }
  96
  97 int ThreeDAPIInfoBarDelegate::GetIconID() const {
  98   return IDR_INFOBAR_3D_BLOCKED;
  99 }
 100
 101 base::string16 ThreeDAPIInfoBarDelegate::GetMessageText() const {
 102   message_text_queried_ = true;
 103
 104   base::string16 api_name;
 105   switch (requester_) {
 106     case content::THREE_D_API_TYPE_WEBGL:
 107       api_name = l10n_util::GetStringUTF16(IDS_3D_APIS_WEBGL_NAME);
 108       break;
 109     case content::THREE_D_API_TYPE_PEPPER_3D:
 110       api_name = l10n_util::GetStringUTF16(IDS_3D_APIS_PEPPER_3D_NAME);
 111       break;
 112   }
 113
 114   return l10n_util::GetStringFUTF16(IDS_3D_APIS_BLOCKED_TEXT,
 115                                     api_name);
 116 }
 117
 118 base::string16 ThreeDAPIInfoBarDelegate::GetButtonLabel(
 119     InfoBarButton button) const {
 120   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
 121       IDS_3D_APIS_BLOCKED_OK_BUTTON_LABEL :
 122       IDS_3D_APIS_BLOCKED_TRY_AGAIN_BUTTON_LABEL);
 123 }
 124
 125 bool ThreeDAPIInfoBarDelegate::Accept() {
 126   action_taken_ = true;
 127   UMA_HISTOGRAM_ENUMERATION("GPU.ThreeDAPIInfoBarDismissal", IGNORED,
 128                             DISMISSAL_MAX);
 129   return true;
 130 }
 131
 132 bool ThreeDAPIInfoBarDelegate::Cancel() {
 133   action_taken_ = true;
 134   UMA_HISTOGRAM_ENUMERATION("GPU.ThreeDAPIInfoBarDismissal", RELOADED,
 135                             DISMISSAL_MAX);
 136   content::GpuDataManager::GetInstance()->UnblockDomainFrom3DAPIs(url_);
 137   InfoBarService::WebContentsFromInfoBar(infobar())->GetController().Reload(
 138       true);
 139   return true;
 140 }
 141
 142 base::string16 ThreeDAPIInfoBarDelegate::GetLinkText() const {
 143   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 144 }
 145
 146 bool ThreeDAPIInfoBarDelegate::LinkClicked(WindowOpenDisposition disposition) {
 147   InfoBarService::WebContentsFromInfoBar(infobar())->OpenURL(
 148       content::OpenURLParams(
 149           GURL("https://support.google.com/chrome/?p=ib_webgl"),
 150           content::Referrer(),
 151           (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
 152           content::PAGE_TRANSITION_LINK, false));
 153   return false;
 154 }
 155
 156
 157 // ThreeDAPIObserver ----------------------------------------------------------
 158
 159 ThreeDAPIObserver::ThreeDAPIObserver() {
 160   content::GpuDataManager::GetInstance()->AddObserver(this);
 161 }
 162
 163 ThreeDAPIObserver::~ThreeDAPIObserver() {
 164   content::GpuDataManager::GetInstance()->RemoveObserver(this);
 165 }
 166
 167 void ThreeDAPIObserver::DidBlock3DAPIs(const GURL& url,
 168                                        int render_process_id,
 169                                        int render_view_id,
 170                                        content::ThreeDAPIType requester) {
 171   content::WebContents* web_contents = tab_util::GetWebContentsByID(
 172       render_process_id, render_view_id);
 173   if (!web_contents)
 174     return;
 175   ThreeDAPIInfoBarDelegate::Create(
 176       InfoBarService::FromWebContents(web_contents), url, requester);
 177 }