src/chrome/browser/ui/webui/conflicts_ui.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/ui/webui/conflicts_ui.h"
   6
   7 #if defined(OS_WIN)
   8
   9 #include <string>
  10
  11 #include "base/bind.h"
  12 #include "base/bind_helpers.h"
  13 #include "base/memory/ref_counted_memory.h"
  14 #include "base/strings/string_number_conversions.h"
  15 #include "base/strings/utf_string_conversions.h"
  16 #include "base/values.h"
  17 #include "chrome/browser/chrome_notification_types.h"
  18 #include "chrome/browser/enumerate_modules_model_win.h"
  19 #include "chrome/browser/profiles/profile.h"
  20 #include "chrome/common/url_constants.h"
  21 #include "chrome/grit/chromium_strings.h"
  22 #include "chrome/grit/generated_resources.h"
  23 #include "content/public/browser/notification_observer.h"
  24 #include "content/public/browser/notification_registrar.h"
  25 #include "content/public/browser/notification_service.h"
  26 #include "content/public/browser/user_metrics.h"
  27 #include "content/public/browser/web_contents.h"
  28 #include "content/public/browser/web_ui.h"
  29 #include "content/public/browser/web_ui_data_source.h"
  30 #include "content/public/browser/web_ui_message_handler.h"
  31 #include "grit/browser_resources.h"
  32 #include "grit/components_strings.h"
  33 #include "grit/theme_resources.h"
  34 #include "ui/base/l10n/l10n_util.h"
  35 #include "ui/base/layout.h"
  36 #include "ui/base/resource/resource_bundle.h"
  37
  38 using base::UserMetricsAction;
  39 using content::WebContents;
  40 using content::WebUIMessageHandler;
  41
  42 namespace {
  43
  44 content::WebUIDataSource* CreateConflictsUIHTMLSource() {
  45   content::WebUIDataSource* source =
  46       content::WebUIDataSource::Create(chrome::kChromeUIConflictsHost);
  47
  48   source->SetUseJsonJSFormatV2();
  49   source->AddLocalizedString("loadingMessage", IDS_CONFLICTS_LOADING_MESSAGE);
  50   source->AddLocalizedString("modulesLongTitle",
  51                              IDS_CONFLICTS_CHECK_PAGE_TITLE_LONG);
  52   source->AddLocalizedString("modulesBlurb", IDS_CONFLICTS_EXPLANATION_TEXT);
  53   source->AddLocalizedString("moduleSuspectedBad",
  54                              IDS_CONFLICTS_CHECK_WARNING_SUSPECTED);
  55   source->AddLocalizedString("moduleConfirmedBad",
  56                      IDS_CONFLICTS_CHECK_WARNING_CONFIRMED);
  57   source->AddLocalizedString("helpCenterLink", IDS_LEARN_MORE);
  58   source->AddLocalizedString("investigatingText",
  59                              IDS_CONFLICTS_CHECK_INVESTIGATING);
  60   source->AddLocalizedString("modulesNoneLoaded",
  61                              IDS_CONFLICTS_NO_MODULES_LOADED);
  62   source->AddLocalizedString("headerSoftware", IDS_CONFLICTS_HEADER_SOFTWARE);
  63   source->AddLocalizedString("headerSignedBy", IDS_CONFLICTS_HEADER_SIGNED_BY);
  64   source->AddLocalizedString("headerLocation", IDS_CONFLICTS_HEADER_LOCATION);
  65   source->AddLocalizedString("headerVersion", IDS_CONFLICTS_HEADER_VERSION);
  66   source->AddLocalizedString("headerHelpTip", IDS_CONFLICTS_HEADER_HELP_TIP);
  67   source->SetJsonPath("strings.js");
  68   source->AddResourcePath("conflicts.js", IDR_ABOUT_CONFLICTS_JS);
  69   source->SetDefaultResource(IDR_ABOUT_CONFLICTS_HTML);
  70   return source;
  71 }
  72
  73 ////////////////////////////////////////////////////////////////////////////////
  74 //
  75 // ConflictsDOMHandler
  76 //
  77 ////////////////////////////////////////////////////////////////////////////////
  78
  79 // The handler for JavaScript messages for the about:flags page.
  80 class ConflictsDOMHandler : public WebUIMessageHandler,
  81                             public content::NotificationObserver {
  82  public:
  83   ConflictsDOMHandler() {}
  84   virtual ~ConflictsDOMHandler() {}
  85
  86   // WebUIMessageHandler implementation.
  87   virtual void RegisterMessages();
  88
  89   // Callback for the "requestModuleList" message.
  90   void HandleRequestModuleList(const base::ListValue* args);
  91
  92  private:
  93   void SendModuleList();
  94
  95   void Observe(int type,
  96                const content::NotificationSource& source,
  97                const content::NotificationDetails& details);
  98
  99   content::NotificationRegistrar registrar_;
 100
 101   DISALLOW_COPY_AND_ASSIGN(ConflictsDOMHandler);
 102 };
 103
 104 void ConflictsDOMHandler::RegisterMessages() {
 105   web_ui()->RegisterMessageCallback("requestModuleList",
 106       base::Bind(&ConflictsDOMHandler::HandleRequestModuleList,
 107                  base::Unretained(this)));
 108 }
 109
 110 void ConflictsDOMHandler::HandleRequestModuleList(const base::ListValue* args) {
 111   // This request is handled asynchronously. See Observe for when we reply back.
 112   registrar_.Add(this, chrome::NOTIFICATION_MODULE_LIST_ENUMERATED,
 113                  content::NotificationService::AllSources());
 114   EnumerateModulesModel::GetInstance()->ScanNow();
 115 }
 116
 117 void ConflictsDOMHandler::SendModuleList() {
 118   EnumerateModulesModel* loaded_modules = EnumerateModulesModel::GetInstance();
 119   base::ListValue* list = loaded_modules->GetModuleList();
 120   base::DictionaryValue results;
 121   results.Set("moduleList", list);
 122
 123   // Add the section title and the total count for bad modules found.
 124   int confirmed_bad = loaded_modules->confirmed_bad_modules_detected();
 125   int suspected_bad = loaded_modules->suspected_bad_modules_detected();
 126   base::string16 table_title;
 127   if (!confirmed_bad && !suspected_bad) {
 128     table_title += l10n_util::GetStringFUTF16(
 129         IDS_CONFLICTS_CHECK_PAGE_TABLE_TITLE_SUFFIX_ONE,
 130             base::IntToString16(list->GetSize()));
 131   } else {
 132     table_title += l10n_util::GetStringFUTF16(
 133         IDS_CONFLICTS_CHECK_PAGE_TABLE_TITLE_SUFFIX_TWO,
 134             base::IntToString16(list->GetSize()),
 135             base::IntToString16(confirmed_bad),
 136             base::IntToString16(suspected_bad));
 137   }
 138   results.SetString("modulesTableTitle", table_title);
 139
 140   web_ui()->CallJavascriptFunction("returnModuleList", results);
 141 }
 142
 143 void ConflictsDOMHandler::Observe(int type,
 144                                   const content::NotificationSource& source,
 145                                   const content::NotificationDetails& details) {
 146   switch (type) {
 147     case chrome::NOTIFICATION_MODULE_LIST_ENUMERATED:
 148       SendModuleList();
 149       registrar_.RemoveAll();
 150       break;
 151     default:
 152       NOTREACHED();
 153       break;
 154   }
 155 }
 156
 157 }  // namespace
 158
 159 ///////////////////////////////////////////////////////////////////////////////
 160 //
 161 // ConflictsUI
 162 //
 163 ///////////////////////////////////////////////////////////////////////////////
 164
 165 ConflictsUI::ConflictsUI(content::WebUI* web_ui) : WebUIController(web_ui) {
 166   content::RecordAction(UserMetricsAction("ViewAboutConflicts"));
 167   web_ui->AddMessageHandler(new ConflictsDOMHandler());
 168
 169   // Set up the about:conflicts source.
 170   Profile* profile = Profile::FromWebUI(web_ui);
 171   content::WebUIDataSource::Add(profile, CreateConflictsUIHTMLSource());
 172 }
 173
 174 // static
 175 base::RefCountedMemory* ConflictsUI::GetFaviconResourceBytes(
 176       ui::ScaleFactor scale_factor) {
 177   return static_cast<base::RefCountedMemory*>(
 178       ResourceBundle::GetSharedInstance().LoadDataResourceBytesForScale(
 179           IDR_CONFLICT_FAVICON, scale_factor));
 180 }
 181
 182 #endif