chrome/browser/ui/startup/startup_browser_creator_impl.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/startup/startup_browser_creator_impl.h"
   6
   7 #include <algorithm>
   8 #include <vector>
   9
  10 #include "apps/app_restore_service.h"
  11 #include "apps/app_restore_service_factory.h"
  12 #include "base/bind.h"
  13 #include "base/bind_helpers.h"
  14 #include "base/command_line.h"
  15 #include "base/compiler_specific.h"
  16 #include "base/environment.h"
  17 #include "base/lazy_instance.h"
  18 #include "base/memory/scoped_ptr.h"
  19 #include "base/metrics/histogram.h"
  20 #include "base/metrics/statistics_recorder.h"
  21 #include "base/path_service.h"
  22 #include "base/prefs/pref_service.h"
  23 #include "base/strings/string_number_conversions.h"
  24 #include "base/strings/string_split.h"
  25 #include "base/strings/utf_string_conversions.h"
  26 #include "base/threading/thread_restrictions.h"
  27 #include "chrome/browser/auto_launch_trial.h"
  28 #include "chrome/browser/browser_process.h"
  29 #include "chrome/browser/chrome_notification_types.h"
  30 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
  31 #include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
  32 #include "chrome/browser/defaults.h"
  33 #include "chrome/browser/extensions/extension_creator.h"
  34 #include "chrome/browser/extensions/extension_service.h"
  35 #include "chrome/browser/extensions/launch_util.h"
  36 #include "chrome/browser/extensions/pack_extension_job.h"
  37 #include "chrome/browser/first_run/first_run.h"
  38 #include "chrome/browser/google/google_util.h"
  39 #include "chrome/browser/infobars/infobar_service.h"
  40 #include "chrome/browser/net/predictor.h"
  41 #include "chrome/browser/notifications/desktop_notification_service.h"
  42 #include "chrome/browser/performance_monitor/startup_timer.h"
  43 #include "chrome/browser/prefs/incognito_mode_prefs.h"
  44 #include "chrome/browser/prefs/session_startup_pref.h"
  45 #include "chrome/browser/profiles/profile.h"
  46 #include "chrome/browser/profiles/profile_io_data.h"
  47 #include "chrome/browser/rlz/rlz.h"
  48 #include "chrome/browser/sessions/session_restore.h"
  49 #include "chrome/browser/sessions/session_service.h"
  50 #include "chrome/browser/sessions/session_service_factory.h"
  51 #include "chrome/browser/shell_integration.h"
  52 #include "chrome/browser/signin/signin_promo.h"
  53 #include "chrome/browser/ui/app_list/app_list_service.h"
  54 #include "chrome/browser/ui/browser_commands.h"
  55 #include "chrome/browser/ui/browser_finder.h"
  56 #include "chrome/browser/ui/browser_list.h"
  57 #include "chrome/browser/ui/browser_navigator.h"
  58 #include "chrome/browser/ui/browser_tabrestore.h"
  59 #include "chrome/browser/ui/browser_tabstrip.h"
  60 #include "chrome/browser/ui/browser_window.h"
  61 #include "chrome/browser/ui/extensions/application_launch.h"
  62 #include "chrome/browser/ui/host_desktop.h"
  63 #include "chrome/browser/ui/startup/autolaunch_prompt.h"
  64 #include "chrome/browser/ui/startup/bad_flags_prompt.h"
  65 #include "chrome/browser/ui/startup/default_browser_prompt.h"
  66 #include "chrome/browser/ui/startup/google_api_keys_infobar_delegate.h"
  67 #include "chrome/browser/ui/startup/obsolete_system_infobar_delegate.h"
  68 #include "chrome/browser/ui/startup/session_crashed_infobar_delegate.h"
  69 #include "chrome/browser/ui/startup/startup_browser_creator.h"
  70 #include "chrome/browser/ui/tabs/pinned_tab_codec.h"
  71 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  72 #include "chrome/browser/ui/webui/ntp/core_app_launcher_handler.h"
  73 #include "chrome/common/chrome_constants.h"
  74 #include "chrome/common/chrome_paths.h"
  75 #include "chrome/common/chrome_result_codes.h"
  76 #include "chrome/common/chrome_switches.h"
  77 #include "chrome/common/chrome_version_info.h"
  78 #include "chrome/common/extensions/extension_constants.h"
  79 #include "chrome/common/net/url_fixer_upper.h"
  80 #include "chrome/common/pref_names.h"
  81 #include "chrome/common/url_constants.h"
  82 #include "chrome/installer/util/browser_distribution.h"
  83 #include "content/public/browser/child_process_security_policy.h"
  84 #include "content/public/browser/dom_storage_context.h"
  85 #include "content/public/browser/notification_observer.h"
  86 #include "content/public/browser/notification_registrar.h"
  87 #include "content/public/browser/storage_partition.h"
  88 #include "content/public/browser/web_contents.h"
  89 #include "content/public/browser/web_contents_view.h"
  90 #include "extensions/browser/extension_prefs.h"
  91 #include "extensions/browser/extension_registry.h"
  92 #include "extensions/browser/extension_system.h"
  93 #include "extensions/common/constants.h"
  94 #include "grit/locale_settings.h"
  95 #include "ui/base/l10n/l10n_util.h"
  96 #include "ui/base/resource/resource_bundle.h"
  97
  98 #if defined(OS_MACOSX)
  99 #include "base/mac/mac_util.h"
 100 #include "chrome/browser/ui/cocoa/keystone_infobar_delegate.h"
 101 #endif
 102
 103 #if defined(TOOLKIT_GTK)
 104 #include "chrome/browser/ui/gtk/gtk_util.h"
 105 #endif
 106
 107 #if defined(OS_WIN)
 108 #include "base/win/windows_version.h"
 109 #include "chrome/browser/apps/app_launch_for_metro_restart_win.h"
 110 #endif
 111
 112 using content::ChildProcessSecurityPolicy;
 113 using content::WebContents;
 114 using extensions::Extension;
 115
 116 namespace {
 117
 118 // Utility functions ----------------------------------------------------------
 119
 120 enum LaunchMode {
 121   LM_TO_BE_DECIDED = 0,       // Possibly direct launch or via a shortcut.
 122   LM_AS_WEBAPP,               // Launched as a installed web application.
 123   LM_WITH_URLS,               // Launched with urls in the cmd line.
 124   LM_SHORTCUT_NONE,           // Not launched from a shortcut.
 125   LM_SHORTCUT_NONAME,         // Launched from shortcut but no name available.
 126   LM_SHORTCUT_UNKNOWN,        // Launched from user-defined shortcut.
 127   LM_SHORTCUT_QUICKLAUNCH,    // Launched from the quick launch bar.
 128   LM_SHORTCUT_DESKTOP,        // Launched from a desktop shortcut.
 129   LM_SHORTCUT_TASKBAR,        // Launched from the taskbar.
 130   LM_LINUX_MAC_BEOS           // Other OS buckets start here.
 131 };
 132
 133 #if defined(OS_WIN)
 134 // Undocumented flag in the startup info structure tells us what shortcut was
 135 // used to launch the browser. See http://www.catch22.net/tuts/undoc01 for
 136 // more information. Confirmed to work on XP, Vista and Win7.
 137 LaunchMode GetLaunchShortcutKind() {
 138   STARTUPINFOW si = { sizeof(si) };
 139   GetStartupInfoW(&si);
 140   if (si.dwFlags & 0x800) {
 141     if (!si.lpTitle)
 142       return LM_SHORTCUT_NONAME;
 143     base::string16 shortcut(si.lpTitle);
 144     // The windows quick launch path is not localized.
 145     if (shortcut.find(L"\\Quick Launch\\") != base::string16::npos) {
 146       if (base::win::GetVersion() >= base::win::VERSION_WIN7)
 147         return LM_SHORTCUT_TASKBAR;
 148       else
 149         return LM_SHORTCUT_QUICKLAUNCH;
 150     }
 151     scoped_ptr<base::Environment> env(base::Environment::Create());
 152     std::string appdata_path;
 153     env->GetVar("USERPROFILE", &appdata_path);
 154     if (!appdata_path.empty() &&
 155         shortcut.find(base::ASCIIToWide(appdata_path)) != std::wstring::npos)
 156       return LM_SHORTCUT_DESKTOP;
 157     return LM_SHORTCUT_UNKNOWN;
 158   }
 159   return LM_SHORTCUT_NONE;
 160 }
 161 #else
 162 // TODO(cpu): Port to other platforms.
 163 LaunchMode GetLaunchShortcutKind() {
 164   return LM_LINUX_MAC_BEOS;
 165 }
 166 #endif
 167
 168 // Log in a histogram the frequency of launching by the different methods. See
 169 // LaunchMode enum for the actual values of the buckets.
 170 void RecordLaunchModeHistogram(LaunchMode mode) {
 171   int bucket = (mode == LM_TO_BE_DECIDED) ? GetLaunchShortcutKind() : mode;
 172   UMA_HISTOGRAM_COUNTS_100("Launch.Modes", bucket);
 173 }
 174
 175 void UrlsToTabs(const std::vector<GURL>& urls, StartupTabs* tabs) {
 176   for (size_t i = 0; i < urls.size(); ++i) {
 177     StartupTab tab;
 178     tab.is_pinned = false;
 179     tab.url = urls[i];
 180     tabs->push_back(tab);
 181   }
 182 }
 183
 184 // Return true if the command line option --app-id is used.  Set
 185 // |out_extension| to the app to open, and |out_launch_container|
 186 // to the type of window into which the app should be open.
 187 bool GetAppLaunchContainer(
 188     Profile* profile,
 189     const std::string& app_id,
 190     const Extension** out_extension,
 191     extensions::LaunchContainer* out_launch_container) {
 192
 193   ExtensionService* extensions_service = profile->GetExtensionService();
 194   const Extension* extension =
 195       extensions_service->GetExtensionById(app_id, false);
 196   // The extension with id |app_id| may have been uninstalled.
 197   if (!extension)
 198     return false;
 199
 200   // Don't launch platform apps in incognito mode.
 201   if (profile->IsOffTheRecord() && extension->is_platform_app())
 202     return false;
 203
 204   // Look at preferences to find the right launch container. If no
 205   // preference is set, launch as a window.
 206   extensions::LaunchContainer launch_container = extensions::GetLaunchContainer(
 207       extensions::ExtensionPrefs::Get(profile), extension);
 208
 209   if (!CommandLine::ForCurrentProcess()->HasSwitch(
 210            switches::kEnableStreamlinedHostedApps) &&
 211       !extensions::HasPreferredLaunchContainer(
 212            extensions::ExtensionPrefs::Get(profile), extension)) {
 213     launch_container = extensions::LAUNCH_CONTAINER_WINDOW;
 214   }
 215
 216   *out_extension = extension;
 217   *out_launch_container = launch_container;
 218   return true;
 219 }
 220
 221 void RecordCmdLineAppHistogram(extensions::Manifest::Type app_type) {
 222   CoreAppLauncherHandler::RecordAppLaunchType(
 223       extension_misc::APP_LAUNCH_CMD_LINE_APP,
 224       app_type);
 225 }
 226
 227 void RecordAppLaunches(Profile* profile,
 228                        const std::vector<GURL>& cmd_line_urls,
 229                        StartupTabs& autolaunch_tabs) {
 230   ExtensionService* extension_service = profile->GetExtensionService();
 231   DCHECK(extension_service);
 232   for (size_t i = 0; i < cmd_line_urls.size(); ++i) {
 233     const extensions::Extension* extension =
 234         extension_service->GetInstalledApp(cmd_line_urls.at(i));
 235     if (extension) {
 236       CoreAppLauncherHandler::RecordAppLaunchType(
 237           extension_misc::APP_LAUNCH_CMD_LINE_URL,
 238           extension->GetType());
 239     }
 240   }
 241   for (size_t i = 0; i < autolaunch_tabs.size(); ++i) {
 242     const extensions::Extension* extension =
 243         extension_service->GetInstalledApp(autolaunch_tabs.at(i).url);
 244     if (extension) {
 245       CoreAppLauncherHandler::RecordAppLaunchType(
 246           extension_misc::APP_LAUNCH_AUTOLAUNCH,
 247           extension->GetType());
 248     }
 249   }
 250 }
 251
 252 bool IsNewTabURL(Profile* profile, const GURL& url) {
 253   GURL ntp_url(chrome::kChromeUINewTabURL);
 254   return url == ntp_url ||
 255          (url.is_empty() && profile->GetHomePage() == ntp_url);
 256 }
 257
 258 class WebContentsCloseObserver : public content::NotificationObserver {
 259  public:
 260   WebContentsCloseObserver() : contents_(NULL) {}
 261   virtual ~WebContentsCloseObserver() {}
 262
 263   void SetContents(content::WebContents* contents) {
 264     DCHECK(!contents_);
 265     contents_ = contents;
 266
 267     registrar_.Add(this,
 268                    content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
 269                    content::Source<content::WebContents>(contents_));
 270   }
 271
 272   content::WebContents* contents() { return contents_; }
 273
 274  private:
 275   // content::NotificationObserver overrides:
 276   virtual void Observe(int type,
 277                        const content::NotificationSource& source,
 278                        const content::NotificationDetails& details) OVERRIDE {
 279     DCHECK_EQ(type, content::NOTIFICATION_WEB_CONTENTS_DESTROYED);
 280     contents_ = NULL;
 281   }
 282
 283   content::WebContents* contents_;
 284   content::NotificationRegistrar registrar_;
 285
 286   DISALLOW_COPY_AND_ASSIGN(WebContentsCloseObserver);
 287 };
 288
 289 // TODO(koz): Consolidate this function and remove the special casing.
 290 const Extension* GetPlatformApp(Profile* profile,
 291                                 const std::string& extension_id) {
 292   const Extension* extension =
 293       extensions::ExtensionRegistry::Get(profile)->GetExtensionById(
 294           extension_id, extensions::ExtensionRegistry::EVERYTHING);
 295   return extension && extension->is_platform_app() ? extension : NULL;
 296 }
 297
 298 }  // namespace
 299
 300 namespace internals {
 301
 302 GURL GetWelcomePageURL() {
 303   std::string welcome_url = l10n_util::GetStringUTF8(IDS_WELCOME_PAGE_URL);
 304   return GURL(welcome_url);
 305 }
 306
 307 }  // namespace internals
 308
 309 StartupBrowserCreatorImpl::StartupBrowserCreatorImpl(
 310     const base::FilePath& cur_dir,
 311     const CommandLine& command_line,
 312     chrome::startup::IsFirstRun is_first_run)
 313     : cur_dir_(cur_dir),
 314       command_line_(command_line),
 315       profile_(NULL),
 316       browser_creator_(NULL),
 317       is_first_run_(is_first_run == chrome::startup::IS_FIRST_RUN) {
 318 }
 319
 320 StartupBrowserCreatorImpl::StartupBrowserCreatorImpl(
 321     const base::FilePath& cur_dir,
 322     const CommandLine& command_line,
 323     StartupBrowserCreator* browser_creator,
 324     chrome::startup::IsFirstRun is_first_run)
 325     : cur_dir_(cur_dir),
 326       command_line_(command_line),
 327       profile_(NULL),
 328       browser_creator_(browser_creator),
 329       is_first_run_(is_first_run == chrome::startup::IS_FIRST_RUN) {
 330 }
 331
 332 StartupBrowserCreatorImpl::~StartupBrowserCreatorImpl() {
 333 }
 334
 335 bool StartupBrowserCreatorImpl::Launch(Profile* profile,
 336                                        const std::vector<GURL>& urls_to_open,
 337                                        bool process_startup,
 338                                        chrome::HostDesktopType desktop_type) {
 339   DCHECK(profile);
 340   profile_ = profile;
 341
 342   if (command_line_.HasSwitch(switches::kDnsLogDetails))
 343     chrome_browser_net::EnablePredictorDetailedLog(true);
 344   if (command_line_.HasSwitch(switches::kDnsPrefetchDisable) &&
 345       profile->GetNetworkPredictor()) {
 346     profile->GetNetworkPredictor()->EnablePredictor(false);
 347   }
 348
 349   AppListService::InitAll(profile);
 350   if (command_line_.HasSwitch(switches::kAppId)) {
 351     std::string app_id = command_line_.GetSwitchValueASCII(switches::kAppId);
 352     const Extension* extension = GetPlatformApp(profile, app_id);
 353     // If |app_id| is a disabled or terminated platform app we handle it
 354     // specially here, otherwise it will be handled below.
 355     if (extension) {
 356       RecordCmdLineAppHistogram(extensions::Manifest::TYPE_PLATFORM_APP);
 357       AppLaunchParams params(profile, extension,
 358                              extensions::LAUNCH_CONTAINER_NONE, NEW_WINDOW);
 359       params.command_line = command_line_;
 360       params.current_directory = cur_dir_;
 361       // If we are being launched from the command line, default to native
 362       // desktop.
 363       params.desktop_type = chrome::HOST_DESKTOP_TYPE_NATIVE;
 364       OpenApplicationWithReenablePrompt(params);
 365       return true;
 366     }
 367   } else if (command_line_.HasSwitch(switches::kShowAppList)) {
 368     // This switch is used for shortcuts on the native desktop.
 369     AppListService::RecordShowTimings(command_line_);
 370     AppListService::Get(chrome::HOST_DESKTOP_TYPE_NATIVE)->
 371         ShowForProfile(profile);
 372     return true;
 373   }
 374
 375   // Open the required browser windows and tabs. First, see if
 376   // we're being run as an application window. If so, the user
 377   // opened an app shortcut.  Don't restore tabs or open initial
 378   // URLs in that case. The user should see the window as an app,
 379   // not as chrome.
 380   // Special case is when app switches are passed but we do want to restore
 381   // session. In that case open app window + focus it after session is restored.
 382   content::WebContents* app_contents = NULL;
 383   if (OpenApplicationWindow(profile, &app_contents)) {
 384     RecordLaunchModeHistogram(LM_AS_WEBAPP);
 385   } else {
 386     RecordLaunchModeHistogram(urls_to_open.empty() ?
 387                               LM_TO_BE_DECIDED : LM_WITH_URLS);
 388
 389     ProcessLaunchURLs(process_startup, urls_to_open, desktop_type);
 390
 391     // If this is an app launch, but we didn't open an app window, it may
 392     // be an app tab.
 393     OpenApplicationTab(profile);
 394
 395 #if defined(OS_MACOSX)
 396     if (process_startup) {
 397       // Check whether the auto-update system needs to be promoted from user
 398       // to system.
 399       KeystoneInfoBar::PromotionInfoBar(profile);
 400     }
 401 #endif
 402   }
 403
 404 #if defined(OS_WIN)
 405   if (process_startup)
 406     ShellIntegration::MigrateChromiumShortcuts();
 407 #endif  // defined(OS_WIN)
 408
 409   return true;
 410 }
 411
 412 bool StartupBrowserCreatorImpl::IsAppLaunch(std::string* app_url,
 413                                             std::string* app_id) {
 414   if (command_line_.HasSwitch(switches::kApp)) {
 415     if (app_url)
 416       *app_url = command_line_.GetSwitchValueASCII(switches::kApp);
 417     return true;
 418   }
 419   if (command_line_.HasSwitch(switches::kAppId)) {
 420     if (app_id)
 421       *app_id = command_line_.GetSwitchValueASCII(switches::kAppId);
 422     return true;
 423   }
 424   return false;
 425 }
 426
 427 bool StartupBrowserCreatorImpl::OpenApplicationTab(Profile* profile) {
 428   std::string app_id;
 429   // App shortcuts to URLs always open in an app window.  Because this
 430   // function will open an app that should be in a tab, there is no need
 431   // to look at the app URL.  OpenApplicationWindow() will open app url
 432   // shortcuts.
 433   if (!IsAppLaunch(NULL, &app_id) || app_id.empty())
 434     return false;
 435
 436   extensions::LaunchContainer launch_container;
 437   const Extension* extension;
 438   if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
 439     return false;
 440
 441   // If the user doesn't want to open a tab, fail.
 442   if (launch_container != extensions::LAUNCH_CONTAINER_TAB)
 443     return false;
 444
 445   RecordCmdLineAppHistogram(extension->GetType());
 446
 447   WebContents* app_tab = OpenApplication(AppLaunchParams(
 448       profile, extension, extensions::LAUNCH_CONTAINER_TAB,
 449       NEW_FOREGROUND_TAB));
 450   return (app_tab != NULL);
 451 }
 452
 453 bool StartupBrowserCreatorImpl::OpenApplicationWindow(
 454     Profile* profile,
 455     content::WebContents** out_app_contents) {
 456   // Set |out_app_contents| to NULL early on (just in case).
 457   if (out_app_contents)
 458     *out_app_contents = NULL;
 459
 460   std::string url_string, app_id;
 461   if (!IsAppLaunch(&url_string, &app_id))
 462     return false;
 463
 464   // This can fail if the app_id is invalid.  It can also fail if the
 465   // extension is external, and has not yet been installed.
 466   // TODO(skerner): Do something reasonable here. Pop up a warning panel?
 467   // Open an URL to the gallery page of the extension id?
 468   if (!app_id.empty()) {
 469     extensions::LaunchContainer launch_container;
 470     const Extension* extension;
 471     if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
 472       return false;
 473
 474     // TODO(skerner): Could pass in |extension| and |launch_container|,
 475     // and avoid calling GetAppLaunchContainer() both here and in
 476     // OpenApplicationTab().
 477
 478     if (launch_container == extensions::LAUNCH_CONTAINER_TAB)
 479       return false;
 480
 481     RecordCmdLineAppHistogram(extension->GetType());
 482
 483     AppLaunchParams params(profile, extension, launch_container, NEW_WINDOW);
 484     params.command_line = command_line_;
 485     params.current_directory = cur_dir_;
 486     WebContents* tab_in_app_window = OpenApplication(params);
 487
 488     if (out_app_contents)
 489       *out_app_contents = tab_in_app_window;
 490
 491     // Platform apps fire off a launch event which may or may not open a window.
 492     return (tab_in_app_window != NULL || extension->is_platform_app());
 493   }
 494
 495   if (url_string.empty())
 496     return false;
 497
 498 #if defined(OS_WIN)  // Fix up Windows shortcuts.
 499   ReplaceSubstringsAfterOffset(&url_string, 0, "\\x", "%");
 500 #endif
 501   GURL url(url_string);
 502
 503   // Restrict allowed URLs for --app switch.
 504   if (!url.is_empty() && url.is_valid()) {
 505     ChildProcessSecurityPolicy* policy =
 506         ChildProcessSecurityPolicy::GetInstance();
 507     if (policy->IsWebSafeScheme(url.scheme()) ||
 508         url.SchemeIs(content::kFileScheme)) {
 509       const extensions::Extension* extension =
 510           profile->GetExtensionService()->GetInstalledApp(url);
 511       if (extension) {
 512         RecordCmdLineAppHistogram(extension->GetType());
 513       } else {
 514         CoreAppLauncherHandler::RecordAppLaunchType(
 515             extension_misc::APP_LAUNCH_CMD_LINE_APP_LEGACY,
 516             extensions::Manifest::TYPE_HOSTED_APP);
 517       }
 518
 519       WebContents* app_tab = OpenAppShortcutWindow(profile, url);
 520
 521       if (out_app_contents)
 522         *out_app_contents = app_tab;
 523
 524       return (app_tab != NULL);
 525     }
 526   }
 527   return false;
 528 }
 529
 530 void StartupBrowserCreatorImpl::ProcessLaunchURLs(
 531     bool process_startup,
 532     const std::vector<GURL>& urls_to_open,
 533     chrome::HostDesktopType desktop_type) {
 534   // If we're starting up in "background mode" (no open browser window) then
 535   // don't open any browser windows, unless kAutoLaunchAtStartup is also
 536   // specified.
 537   if (process_startup &&
 538       command_line_.HasSwitch(switches::kNoStartupWindow) &&
 539       !command_line_.HasSwitch(switches::kAutoLaunchAtStartup)) {
 540     return;
 541   }
 542
 543 // TODO(tapted): Move this to startup_browser_creator_win.cc after refactor.
 544 #if defined(OS_WIN)
 545   if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
 546     // See if there are apps for this profile that should be launched on startup
 547     // due to a switch from Metro mode.
 548     app_metro_launch::HandleAppLaunchForMetroRestart(profile_);
 549   }
 550 #endif
 551
 552   if (process_startup && ProcessStartupURLs(urls_to_open, desktop_type)) {
 553     // ProcessStartupURLs processed the urls, nothing else to do.
 554     return;
 555   }
 556
 557   chrome::startup::IsProcessStartup is_process_startup = process_startup ?
 558       chrome::startup::IS_PROCESS_STARTUP :
 559       chrome::startup::IS_NOT_PROCESS_STARTUP;
 560   if (!process_startup) {
 561     // Even if we're not starting a new process, this may conceptually be
 562     // "startup" for the user and so should be handled in a similar way.  Eg.,
 563     // Chrome may have been running in the background due to an app with a
 564     // background page being installed, or running with only an app window
 565     // displayed.
 566     SessionService* service =
 567         SessionServiceFactory::GetForProfileForSessionRestore(profile_);
 568     if (service && service->ShouldNewWindowStartSession()) {
 569       // Restore the last session if any.
 570       if (!HasPendingUncleanExit(profile_) &&
 571           service->RestoreIfNecessary(urls_to_open)) {
 572         return;
 573       }
 574       // Open user-specified URLs like pinned tabs and startup tabs.
 575       Browser* browser = ProcessSpecifiedURLs(urls_to_open, desktop_type);
 576       if (browser) {
 577         AddInfoBarsIfNecessary(browser, is_process_startup);
 578         return;
 579       }
 580     }
 581   }
 582
 583   // Session startup didn't occur, open the urls.
 584   Browser* browser = NULL;
 585   std::vector<GURL> adjust_urls = urls_to_open;
 586   if (adjust_urls.empty()) {
 587     AddStartupURLs(&adjust_urls);
 588     if (StartupBrowserCreatorImpl::OpenStartupURLsInExistingBrowser(
 589             profile_, adjust_urls))
 590       return;
 591   } else if (!command_line_.HasSwitch(switches::kOpenInNewWindow)) {
 592     // Always open a list of urls in a window on the native desktop.
 593     browser = chrome::FindTabbedBrowser(profile_, false,
 594                                         chrome::HOST_DESKTOP_TYPE_NATIVE);
 595   }
 596   // This will launch a browser; prevent session restore.
 597   StartupBrowserCreator::in_synchronous_profile_launch_ = true;
 598   browser = OpenURLsInBrowser(browser, process_startup, adjust_urls,
 599                               desktop_type);
 600   StartupBrowserCreator::in_synchronous_profile_launch_ = false;
 601   AddInfoBarsIfNecessary(browser, is_process_startup);
 602 }
 603
 604 bool StartupBrowserCreatorImpl::ProcessStartupURLs(
 605     const std::vector<GURL>& urls_to_open,
 606     chrome::HostDesktopType desktop_type) {
 607   VLOG(1) << "StartupBrowserCreatorImpl::ProcessStartupURLs";
 608   SessionStartupPref pref =
 609       StartupBrowserCreator::GetSessionStartupPref(command_line_, profile_);
 610   if (pref.type == SessionStartupPref::LAST)
 611     VLOG(1) << "Pref: last";
 612   else if (pref.type == SessionStartupPref::URLS)
 613     VLOG(1) << "Pref: urls";
 614   else if (pref.type == SessionStartupPref::DEFAULT)
 615     VLOG(1) << "Pref: default";
 616
 617   apps::AppRestoreService* restore_service =
 618       apps::AppRestoreServiceFactory::GetForProfile(profile_);
 619   // NULL in incognito mode.
 620   if (restore_service) {
 621     restore_service->HandleStartup(apps::AppRestoreService::ShouldRestoreApps(
 622         StartupBrowserCreator::WasRestarted()));
 623   }
 624
 625   if (pref.type == SessionStartupPref::LAST) {
 626     if (profile_->GetLastSessionExitType() == Profile::EXIT_CRASHED &&
 627         !command_line_.HasSwitch(switches::kRestoreLastSession)) {
 628       // The last session crashed. It's possible automatically loading the
 629       // page will trigger another crash, locking the user out of chrome.
 630       // To avoid this, don't restore on startup but instead show the crashed
 631       // infobar.
 632       VLOG(1) << "Unclean exit; not processing";
 633       return false;
 634     }
 635
 636     uint32 restore_behavior = SessionRestore::SYNCHRONOUS;
 637     if (browser_defaults::kAlwaysCreateTabbedBrowserOnSessionRestore ||
 638         CommandLine::ForCurrentProcess()->HasSwitch(
 639             switches::kCreateBrowserOnStartupForTests)) {
 640       restore_behavior |= SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
 641     }
 642
 643 #if defined(OS_MACOSX)
 644     // On Mac, when restoring a session with no windows, suppress the creation
 645     // of a new window in the case where the system is launching Chrome via a
 646     // login item or Lion's resume feature.
 647     if (base::mac::WasLaunchedAsLoginOrResumeItem()) {
 648       restore_behavior = restore_behavior &
 649                          ~SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
 650     }
 651 #endif
 652
 653     // Pause the StartupTimer. Since the restore here is synchronous, we can
 654     // keep these two metrics (browser startup time and session restore time)
 655     // separate.
 656     performance_monitor::StartupTimer::PauseTimer();
 657
 658     // The startup code only executes for browsers launched in desktop mode.
 659     // i.e. HOST_DESKTOP_TYPE_NATIVE. Ash should never get here.
 660     Browser* browser = SessionRestore::RestoreSession(
 661         profile_, NULL, desktop_type, restore_behavior,
 662         urls_to_open);
 663
 664     performance_monitor::StartupTimer::UnpauseTimer();
 665
 666     AddInfoBarsIfNecessary(browser, chrome::startup::IS_PROCESS_STARTUP);
 667     return true;
 668   }
 669
 670   Browser* browser = ProcessSpecifiedURLs(urls_to_open, desktop_type);
 671   if (!browser)
 672     return false;
 673
 674   AddInfoBarsIfNecessary(browser, chrome::startup::IS_PROCESS_STARTUP);
 675
 676   // Session restore may occur if the startup preference is "last" or if the
 677   // crash infobar is displayed. Otherwise, it's safe for the DOM storage system
 678   // to start deleting leftover data.
 679   if (pref.type != SessionStartupPref::LAST &&
 680       !HasPendingUncleanExit(profile_)) {
 681     content::BrowserContext::GetDefaultStoragePartition(profile_)->
 682         GetDOMStorageContext()->StartScavengingUnusedSessionStorage();
 683   }
 684
 685   return true;
 686 }
 687
 688 Browser* StartupBrowserCreatorImpl::ProcessSpecifiedURLs(
 689     const std::vector<GURL>& urls_to_open,
 690     chrome::HostDesktopType desktop_type) {
 691   SessionStartupPref pref =
 692       StartupBrowserCreator::GetSessionStartupPref(command_line_, profile_);
 693   StartupTabs tabs;
 694   // Pinned tabs should not be displayed when chrome is launched in incognito
 695   // mode. Also, no pages should be opened automatically if the session
 696   // crashed. Otherwise it might trigger another crash, locking the user out of
 697   // chrome. The crash infobar is shown in this case.
 698   if (!IncognitoModePrefs::ShouldLaunchIncognito(command_line_,
 699                                                  profile_->GetPrefs()) &&
 700       !HasPendingUncleanExit(profile_)) {
 701     tabs = PinnedTabCodec::ReadPinnedTabs(profile_);
 702   }
 703
 704   RecordAppLaunches(profile_, urls_to_open, tabs);
 705
 706   if (!urls_to_open.empty()) {
 707     // If urls were specified on the command line, use them.
 708     UrlsToTabs(urls_to_open, &tabs);
 709   } else if (pref.type == SessionStartupPref::DEFAULT ||
 710              (is_first_run_ &&
 711               browser_creator_ && !browser_creator_->first_run_tabs_.empty())) {
 712     std::vector<GURL> urls;
 713     AddStartupURLs(&urls);
 714     UrlsToTabs(urls, &tabs);
 715   } else if (pref.type == SessionStartupPref::URLS && !pref.urls.empty() &&
 716              !HasPendingUncleanExit(profile_)) {
 717     // Only use the set of urls specified in preferences if nothing was
 718     // specified on the command line. Filter out any urls that are to be
 719     // restored by virtue of having been previously pinned.
 720     AddUniqueURLs(pref.urls, &tabs);
 721   } else if (pref.type == SessionStartupPref::HOMEPAGE) {
 722     // If 'homepage' selected, either by the user or by a policy, we should
 723     // have migrated them to another value.
 724     NOTREACHED() << "SessionStartupPref has deprecated type HOMEPAGE";
 725   }
 726
 727   if (tabs.empty())
 728     return NULL;
 729
 730   Browser* browser = OpenTabsInBrowser(NULL, true, tabs, desktop_type);
 731   return browser;
 732 }
 733
 734 void StartupBrowserCreatorImpl::AddUniqueURLs(const std::vector<GURL>& urls,
 735                                               StartupTabs* tabs) {
 736   size_t num_existing_tabs = tabs->size();
 737   for (size_t i = 0; i < urls.size(); ++i) {
 738     bool in_tabs = false;
 739     for (size_t j = 0; j < num_existing_tabs; ++j) {
 740       if (urls[i] == (*tabs)[j].url) {
 741         in_tabs = true;
 742         break;
 743       }
 744     }
 745     if (!in_tabs) {
 746       StartupTab tab;
 747       tab.is_pinned = false;
 748       tab.url = urls[i];
 749       tabs->push_back(tab);
 750     }
 751   }
 752 }
 753
 754 Browser* StartupBrowserCreatorImpl::OpenURLsInBrowser(
 755     Browser* browser,
 756     bool process_startup,
 757     const std::vector<GURL>& urls,
 758     chrome::HostDesktopType desktop_type) {
 759   StartupTabs tabs;
 760   UrlsToTabs(urls, &tabs);
 761   return OpenTabsInBrowser(browser, process_startup, tabs, desktop_type);
 762 }
 763
 764 Browser* StartupBrowserCreatorImpl::OpenTabsInBrowser(
 765     Browser* browser,
 766     bool process_startup,
 767     const StartupTabs& tabs,
 768     chrome::HostDesktopType desktop_type) {
 769   DCHECK(!tabs.empty());
 770
 771   // If we don't yet have a profile, try to use the one we're given from
 772   // |browser|. While we may not end up actually using |browser| (since it
 773   // could be a popup window), we can at least use the profile.
 774   if (!profile_ && browser)
 775     profile_ = browser->profile();
 776
 777   if (!browser || !browser->is_type_tabbed()) {
 778     browser = new Browser(Browser::CreateParams(profile_, desktop_type));
 779   } else {
 780 #if defined(TOOLKIT_GTK)
 781     // Setting the time of the last action on the window here allows us to steal
 782     // focus, which is what the user wants when opening a new tab in an existing
 783     // browser window.
 784     gtk_util::SetWMLastUserActionTime(browser->window()->GetNativeWindow());
 785 #endif
 786   }
 787
 788   bool first_tab = true;
 789   ProtocolHandlerRegistry* registry = profile_ ?
 790       ProtocolHandlerRegistryFactory::GetForProfile(profile_) : NULL;
 791   for (size_t i = 0; i < tabs.size(); ++i) {
 792     // We skip URLs that we'd have to launch an external protocol handler for.
 793     // This avoids us getting into an infinite loop asking ourselves to open
 794     // a URL, should the handler be (incorrectly) configured to be us. Anyone
 795     // asking us to open such a URL should really ask the handler directly.
 796     bool handled_by_chrome = ProfileIOData::IsHandledURL(tabs[i].url) ||
 797         (registry && registry->IsHandledProtocol(tabs[i].url.scheme()));
 798     if (!process_startup && !handled_by_chrome)
 799       continue;
 800
 801     int add_types = first_tab ? TabStripModel::ADD_ACTIVE :
 802                                 TabStripModel::ADD_NONE;
 803     add_types |= TabStripModel::ADD_FORCE_INDEX;
 804     if (tabs[i].is_pinned)
 805       add_types |= TabStripModel::ADD_PINNED;
 806
 807     chrome::NavigateParams params(browser, tabs[i].url,
 808                                   content::PAGE_TRANSITION_AUTO_TOPLEVEL);
 809     params.disposition = first_tab ? NEW_FOREGROUND_TAB : NEW_BACKGROUND_TAB;
 810     params.tabstrip_add_types = add_types;
 811     params.extension_app_id = tabs[i].app_id;
 812
 813 #if defined(ENABLE_RLZ)
 814     if (process_startup && google_util::IsGoogleHomePageUrl(tabs[i].url)) {
 815       params.extra_headers = RLZTracker::GetAccessPointHttpHeader(
 816           RLZTracker::CHROME_HOME_PAGE);
 817     }
 818 #endif
 819
 820     chrome::Navigate(&params);
 821
 822     first_tab = false;
 823   }
 824   if (!browser->tab_strip_model()->GetActiveWebContents()) {
 825     // TODO: this is a work around for 110909. Figure out why it's needed.
 826     if (!browser->tab_strip_model()->count())
 827       chrome::AddTabAt(browser, GURL(), -1, true);
 828     else
 829       browser->tab_strip_model()->ActivateTabAt(0, false);
 830   }
 831
 832   // The default behavior is to show the window, as expressed by the default
 833   // value of StartupBrowserCreated::show_main_browser_window_. If this was set
 834   // to true ahead of this place, it means another task must have been spawned
 835   // to take care of that.
 836   if (!browser_creator_ || browser_creator_->show_main_browser_window())
 837     browser->window()->Show();
 838
 839   // In kiosk mode, we want to always be fullscreen, so switch to that now.
 840   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode) ||
 841       CommandLine::ForCurrentProcess()->HasSwitch(switches::kStartFullscreen))
 842     chrome::ToggleFullscreenMode(browser);
 843
 844   return browser;
 845 }
 846
 847 void StartupBrowserCreatorImpl::AddInfoBarsIfNecessary(
 848     Browser* browser,
 849     chrome::startup::IsProcessStartup is_process_startup) {
 850   if (!browser || !profile_ || browser->tab_strip_model()->count() == 0)
 851     return;
 852
 853   if (HasPendingUncleanExit(browser->profile()))
 854     SessionCrashedInfoBarDelegate::Create(browser);
 855
 856   // The below info bars are only added to the first profile which is launched.
 857   // Other profiles might be restoring the browsing sessions asynchronously,
 858   // so we cannot add the info bars to the focused tabs here.
 859   if (is_process_startup == chrome::startup::IS_PROCESS_STARTUP &&
 860       !command_line_.HasSwitch(switches::kTestType)) {
 861     chrome::ShowBadFlagsPrompt(browser);
 862     GoogleApiKeysInfoBarDelegate::Create(InfoBarService::FromWebContents(
 863         browser->tab_strip_model()->GetActiveWebContents()));
 864     ObsoleteSystemInfoBarDelegate::Create(InfoBarService::FromWebContents(
 865         browser->tab_strip_model()->GetActiveWebContents()));
 866
 867 #if !defined(OS_CHROMEOS)
 868     if (!command_line_.HasSwitch(switches::kNoDefaultBrowserCheck)) {
 869       // Generally, the default browser prompt should not be shown on first
 870       // run. However, when the set-as-default dialog has been suppressed, we
 871       // need to allow it.
 872       if ((!is_first_run_ ||
 873            (browser_creator_ &&
 874             browser_creator_->is_default_browser_dialog_suppressed())) &&
 875           !chrome::ShowAutolaunchPrompt(browser)) {
 876         chrome::ShowDefaultBrowserPrompt(profile_,
 877                                          browser->host_desktop_type());
 878       }
 879     }
 880 #endif
 881   }
 882 }
 883
 884 void StartupBrowserCreatorImpl::AddStartupURLs(
 885     std::vector<GURL>* startup_urls) const {
 886   // TODO(atwilson): Simplify the logic that decides which tabs to open on
 887   // start-up and make it more consistent. http://crbug.com/248883
 888
 889   // If we have urls specified by the first run master preferences use them
 890   // and nothing else.
 891   if (browser_creator_ && startup_urls->empty()) {
 892     if (!browser_creator_->first_run_tabs_.empty()) {
 893       std::vector<GURL>::iterator it =
 894           browser_creator_->first_run_tabs_.begin();
 895       while (it != browser_creator_->first_run_tabs_.end()) {
 896         // Replace magic names for the actual urls.
 897         if (it->host() == "new_tab_page") {
 898           startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
 899         } else if (it->host() == "welcome_page") {
 900           startup_urls->push_back(internals::GetWelcomePageURL());
 901         } else {
 902           startup_urls->push_back(*it);
 903         }
 904         ++it;
 905       }
 906       browser_creator_->first_run_tabs_.clear();
 907     }
 908   }
 909
 910   // Otherwise open at least the new tab page (and the welcome page, if this
 911   // is the first time the browser is being started), or the set of URLs
 912   // specified on the command line.
 913   if (startup_urls->empty()) {
 914     startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
 915     if (first_run::ShouldShowWelcomePage())
 916       startup_urls->push_back(internals::GetWelcomePageURL());
 917   }
 918
 919   if (signin::ShouldShowPromoAtStartup(profile_, is_first_run_)) {
 920     signin::DidShowPromoAtStartup(profile_);
 921
 922     const GURL sync_promo_url = signin::GetPromoURL(signin::SOURCE_START_PAGE,
 923                                                     false);
 924
 925     // No need to add if the sync promo is already in the startup list.
 926     bool add_promo = true;
 927     for (std::vector<GURL>::const_iterator it = startup_urls->begin();
 928          it != startup_urls->end(); ++it) {
 929       if (*it == sync_promo_url) {
 930         add_promo = false;
 931         break;
 932       }
 933     }
 934
 935     if (add_promo) {
 936       // If the first URL is the NTP, replace it with the sync promo. This
 937       // behavior is desired because completing or skipping the sync promo
 938       // causes a redirect to the NTP.
 939       if (!startup_urls->empty() && IsNewTabURL(profile_, startup_urls->at(0)))
 940         startup_urls->at(0) = sync_promo_url;
 941       else
 942         startup_urls->insert(startup_urls->begin(), sync_promo_url);
 943     }
 944   }
 945 }
 946
 947 #if !defined(OS_WIN)
 948 // static
 949 bool StartupBrowserCreatorImpl::OpenStartupURLsInExistingBrowser(
 950     Profile* profile,
 951     const std::vector<GURL>& startup_urls) {
 952   return false;
 953 }
 954 #endif