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 183
