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