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