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/crashes_ui.h" 6 7 #include <vector> 8 9 #include "base/bind.h" 10 #include "base/bind_helpers.h" 11 #include "base/i18n/time_formatting.h" 12 #include "base/memory/ref_counted_memory.h" 13 #include "base/strings/utf_string_conversions.h" 14 #include "base/values.h" 15 #include "chrome/browser/crash_upload_list.h" 16 #include "chrome/browser/metrics/chrome_metrics_service_accessor.h" 17 #include "chrome/browser/profiles/profile.h" 18 #include "chrome/common/chrome_version_info.h" 19 #include "chrome/common/url_constants.h" 20 #include "content/public/browser/web_contents.h" 21 #include "content/public/browser/web_ui.h" 22 #include "content/public/browser/web_ui_data_source.h" 23 #include "content/public/browser/web_ui_message_handler.h" 24 #include "grit/browser_resources.h" 25 #include "grit/chromium_strings.h" 26 #include "grit/generated_resources.h" 27 #include "grit/theme_resources.h" 28 #include "ui/base/l10n/l10n_util.h" 29 #include "ui/base/resource/resource_bundle.h" 30 31 #if defined(OS_CHROMEOS) 32 #include "chromeos/dbus/dbus_thread_manager.h" 33 #include "chromeos/dbus/debug_daemon_client.h" 34 #endif 35 36 using content::WebContents; 37 using content::WebUIMessageHandler; 38 39 namespace { 40 41 content::WebUIDataSource* CreateCrashesUIHTMLSource() { 42 content::WebUIDataSource* source = 43 content::WebUIDataSource::Create(chrome::kChromeUICrashesHost); 44 source->SetUseJsonJSFormatV2(); 45 46 source->AddLocalizedString("shortProductName", IDS_SHORT_PRODUCT_NAME); 47 source->AddLocalizedString("crashesTitle", IDS_CRASHES_TITLE); 48 source->AddLocalizedString("crashCountFormat", 49 IDS_CRASHES_CRASH_COUNT_BANNER_FORMAT); 50 source->AddLocalizedString("crashHeaderFormat", 51 IDS_CRASHES_CRASH_HEADER_FORMAT); 52 source->AddLocalizedString("crashTimeFormat", IDS_CRASHES_CRASH_TIME_FORMAT); 53 source->AddLocalizedString("bugLinkText", IDS_CRASHES_BUG_LINK_LABEL); 54 source->AddLocalizedString("noCrashesMessage", 55 IDS_CRASHES_NO_CRASHES_MESSAGE); 56 source->AddLocalizedString("disabledHeader", IDS_CRASHES_DISABLED_HEADER); 57 source->AddLocalizedString("disabledMessage", IDS_CRASHES_DISABLED_MESSAGE); 58 source->AddLocalizedString("uploadCrashesLinkText", 59 IDS_CRASHES_UPLOAD_MESSAGE); 60 source->SetJsonPath("strings.js"); 61 source->AddResourcePath("crashes.js", IDR_CRASHES_JS); 62 source->SetDefaultResource(IDR_CRASHES_HTML); 63 return source; 64 } 65 66 //////////////////////////////////////////////////////////////////////////////// 67 // 68 // CrashesDOMHandler 69 // 70 //////////////////////////////////////////////////////////////////////////////// 71 72 // The handler for Javascript messages for the chrome://crashes/ page. 73 class CrashesDOMHandler : public WebUIMessageHandler, 74 public CrashUploadList::Delegate { 75 public: 76 explicit CrashesDOMHandler(); 77 virtual ~CrashesDOMHandler(); 78 79 // WebUIMessageHandler implementation. 80 virtual void RegisterMessages() OVERRIDE; 81 82 // CrashUploadList::Delegate implemenation. 83 virtual void OnUploadListAvailable() OVERRIDE; 84 85 private: 86 // Asynchronously fetches the list of crashes. Called from JS. 87 void HandleRequestCrashes(const base::ListValue* args); 88 89 #if defined(OS_CHROMEOS) 90 // Asynchronously triggers crash uploading. Called from JS. 91 void HandleRequestUploads(const base::ListValue* args); 92 #endif 93 94 // Sends the recent crashes list JS. 95 void UpdateUI(); 96 97 scoped_refptr<CrashUploadList> upload_list_; 98 bool list_available_; 99 bool first_load_; 100 101 DISALLOW_COPY_AND_ASSIGN(CrashesDOMHandler); 102 }; 103 104 CrashesDOMHandler::CrashesDOMHandler() 105 : list_available_(false), first_load_(true) { 106 upload_list_ = CrashUploadList::Create(this); 107 } 108 109 CrashesDOMHandler::~CrashesDOMHandler() { 110 upload_list_->ClearDelegate(); 111 } 112 113 void CrashesDOMHandler::RegisterMessages() { 114 upload_list_->LoadUploadListAsynchronously(); 115 web_ui()->RegisterMessageCallback("requestCrashList", 116 base::Bind(&CrashesDOMHandler::HandleRequestCrashes, 117 base::Unretained(this))); 118 119 #if defined(OS_CHROMEOS) 120 web_ui()->RegisterMessageCallback("requestCrashUpload", 121 base::Bind(&CrashesDOMHandler::HandleRequestUploads, 122 base::Unretained(this))); 123 #endif 124 } 125 126 void CrashesDOMHandler::HandleRequestCrashes(const base::ListValue* args) { 127 if (first_load_) { 128 first_load_ = false; 129 if (list_available_) 130 UpdateUI(); 131 } else { 132 list_available_ = false; 133 upload_list_->LoadUploadListAsynchronously(); 134 } 135 } 136 137 #if defined(OS_CHROMEOS) 138 void CrashesDOMHandler::HandleRequestUploads(const base::ListValue* args) { 139 chromeos::DebugDaemonClient* debugd_client = 140 chromeos::DBusThreadManager::Get()->GetDebugDaemonClient(); 141 DCHECK(debugd_client); 142 143 debugd_client->UploadCrashes(); 144 } 145 #endif 146 147 void CrashesDOMHandler::OnUploadListAvailable() { 148 list_available_ = true; 149 if (!first_load_) 150 UpdateUI(); 151 } 152 153 void CrashesDOMHandler::UpdateUI() { 154 bool crash_reporting_enabled = 155 ChromeMetricsServiceAccessor::IsCrashReportingEnabled(); 156 base::ListValue crash_list; 157 bool system_crash_reporter = false; 158 159 #if defined(OS_CHROMEOS) 160 // Chrome OS has a system crash reporter. 161 system_crash_reporter = true; 162 #endif 163 164 if (crash_reporting_enabled) { 165 std::vector<CrashUploadList::UploadInfo> crashes; 166 upload_list_->GetUploads(50, &crashes); 167 168 for (std::vector<CrashUploadList::UploadInfo>::iterator i = crashes.begin(); 169 i != crashes.end(); ++i) { 170 base::DictionaryValue* crash = new base::DictionaryValue(); 171 crash->SetString("id", i->id); 172 crash->SetString("time", base::TimeFormatFriendlyDateAndTime(i->time)); 173 crash->SetString("local_id", i->local_id); 174 crash_list.Append(crash); 175 } 176 } 177 178 base::FundamentalValue enabled(crash_reporting_enabled); 179 base::FundamentalValue dynamic_backend(system_crash_reporter); 180 181 const chrome::VersionInfo version_info; 182 base::StringValue version(version_info.Version()); 183 184 web_ui()->CallJavascriptFunction("updateCrashList", enabled, dynamic_backend, 185 crash_list, version); 186 } 187 188 } // namespace 189 190 /////////////////////////////////////////////////////////////////////////////// 191 // 192 // CrashesUI 193 // 194 /////////////////////////////////////////////////////////////////////////////// 195 196 CrashesUI::CrashesUI(content::WebUI* web_ui) : WebUIController(web_ui) { 197 web_ui->AddMessageHandler(new CrashesDOMHandler()); 198 199 // Set up the chrome://crashes/ source. 200 Profile* profile = Profile::FromWebUI(web_ui); 201 content::WebUIDataSource::Add(profile, CreateCrashesUIHTMLSource()); 202 } 203 204 // static 205 base::RefCountedMemory* CrashesUI::GetFaviconResourceBytes( 206 ui::ScaleFactor scale_factor) { 207 return ResourceBundle::GetSharedInstance(). 208 LoadDataResourceBytesForScale(IDR_SAD_FAVICON, scale_factor); 209 } 210