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