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/pack_extension_job.h"
  36 #include "chrome/browser/first_run/first_run.h"
  37 #include "chrome/browser/google/google_util.h"
  38 #include "chrome/browser/infobars/infobar_service.h"
  39 #include "chrome/browser/net/predictor.h"
  40 #include "chrome/browser/notifications/desktop_notification_service.h"
  41 #include "chrome/browser/performance_monitor/startup_timer.h"
  42 #include "chrome/browser/prefs/incognito_mode_prefs.h"
  43 #include "chrome/browser/prefs/session_startup_pref.h"
  44 #include "chrome/browser/profiles/profile.h"
  45 #include "chrome/browser/profiles/profile_io_data.h"
  46 #include "chrome/browser/rlz/rlz.h"
  47 #include "chrome/browser/sessions/session_restore.h"
  48 #include "chrome/browser/sessions/session_service.h"
  49 #include "chrome/browser/sessions/session_service_factory.h"
  50 #include "chrome/browser/shell_integration.h"
  51 #include "chrome/browser/signin/signin_promo.h"
  52 #include "chrome/browser/ui/app_list/app_list_service.h"
  53 #include "chrome/browser/ui/browser_commands.h"
  54 #include "chrome/browser/ui/browser_finder.h"
  55 #include "chrome/browser/ui/browser_list.h"
  56 #include "chrome/browser/ui/browser_navigator.h"
  57 #include "chrome/browser/ui/browser_tabrestore.h"
  58 #include "chrome/browser/ui/browser_tabstrip.h"
  59 #include "chrome/browser/ui/browser_window.h"
  60 #include "chrome/browser/ui/extensions/application_launch.h"
  61 #include "chrome/browser/ui/host_desktop.h"
  62 #include "chrome/browser/ui/startup/autolaunch_prompt.h"
  63 #include "chrome/browser/ui/startup/bad_flags_prompt.h"
  64 #include "chrome/browser/ui/startup/default_browser_prompt.h"
  65 #include "chrome/browser/ui/startup/google_api_keys_infobar_delegate.h"
  66 #include "chrome/browser/ui/startup/obsolete_os_infobar_delegate.h"
  67 #include "chrome/browser/ui/startup/session_crashed_infobar_delegate.h"
  68 #include "chrome/browser/ui/startup/startup_browser_creator.h"
  69 #include "chrome/browser/ui/tabs/pinned_tab_codec.h"
  70 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  71 #include "chrome/browser/ui/webui/ntp/core_app_launcher_handler.h"
  72 #include "chrome/common/chrome_constants.h"
  73 #include "chrome/common/chrome_paths.h"
  74 #include "chrome/common/chrome_result_codes.h"
  75 #include "chrome/common/chrome_switches.h"
  76 #include "chrome/common/chrome_version_info.h"
  77 #include "chrome/common/extensions/extension_constants.h"
  78 #include "chrome/common/net/url_fixer_upper.h"
  79 #include "chrome/common/pref_names.h"
  80 #include "chrome/common/url_constants.h"
  81 #include "chrome/installer/util/browser_distribution.h"
  82 #include "content/public/browser/child_process_security_policy.h"
  83 #include "content/public/browser/dom_storage_context.h"
  84 #include "content/public/browser/notification_observer.h"
  85 #include "content/public/browser/notification_registrar.h"
  86 #include "content/public/browser/storage_partition.h"
  87 #include "content/public/browser/web_contents.h"
  88 #include "content/public/browser/web_contents_view.h"
  89 #include "grit/locale_settings.h"
  90 #include "ui/base/l10n/l10n_util.h"
  91 #include "ui/base/resource/resource_bundle.h"
  92 #include "ui/gfx/rect.h"
  93 #include "ui/gfx/screen.h"
  94
  95 #if defined(OS_MACOSX)
  96 #include "base/mac/mac_util.h"
  97 #include "chrome/browser/ui/cocoa/keystone_infobar_delegate.h"
  98 #endif
  99
 100 #if defined(TOOLKIT_GTK)
 101 #include "chrome/browser/ui/gtk/gtk_util.h"
 102 #endif
 103
 104 #if defined(OS_WIN)
 105 #include "apps/app_launch_for_metro_restart_win.h"
 106 #include "base/win/windows_version.h"
 107 #endif
 108
 109 using content::ChildProcessSecurityPolicy;
 110 using content::WebContents;
 111 using extensions::Extension;
 112
 113 namespace {
 114
 115 // Utility functions ----------------------------------------------------------
 116
 117 enum LaunchMode {
 118   LM_TO_BE_DECIDED = 0,       // Possibly direct launch or via a shortcut.
 119   LM_AS_WEBAPP,               // Launched as a installed web application.
 120   LM_WITH_URLS,               // Launched with urls in the cmd line.
 121   LM_SHORTCUT_NONE,           // Not launched from a shortcut.
 122   LM_SHORTCUT_NONAME,         // Launched from shortcut but no name available.
 123   LM_SHORTCUT_UNKNOWN,        // Launched from user-defined shortcut.
 124   LM_SHORTCUT_QUICKLAUNCH,    // Launched from the quick launch bar.
 125   LM_SHORTCUT_DESKTOP,        // Launched from a desktop shortcut.
 126   LM_SHORTCUT_TASKBAR,        // Launched from the taskbar.
 127   LM_LINUX_MAC_BEOS           // Other OS buckets start here.
 128 };
 129
 130 #if defined(OS_WIN)
 131 // Undocumented flag in the startup info structure tells us what shortcut was
 132 // used to launch the browser. See http://www.catch22.net/tuts/undoc01 for
 133 // more information. Confirmed to work on XP, Vista and Win7.
 134 LaunchMode GetLaunchShortcutKind() {
 135   STARTUPINFOW si = { sizeof(si) };
 136   GetStartupInfoW(&si);
 137   if (si.dwFlags & 0x800) {
 138     if (!si.lpTitle)
 139       return LM_SHORTCUT_NONAME;
 140     string16 shortcut(si.lpTitle);
 141     // The windows quick launch path is not localized.
 142     if (shortcut.find(L"\\Quick Launch\\") != string16::npos) {
 143       if (base::win::GetVersion() >= base::win::VERSION_WIN7)
 144         return LM_SHORTCUT_TASKBAR;
 145       else
 146         return LM_SHORTCUT_QUICKLAUNCH;
 147     }
 148     scoped_ptr<base::Environment> env(base::Environment::Create());
 149     std::string appdata_path;
 150     env->GetVar("USERPROFILE", &appdata_path);
 151     if (!appdata_path.empty() &&
 152         shortcut.find(ASCIIToWide(appdata_path)) != std::wstring::npos)
 153       return LM_SHORTCUT_DESKTOP;
 154     return LM_SHORTCUT_UNKNOWN;
 155   }
 156   return LM_SHORTCUT_NONE;
 157 }
 158 #else
 159 // TODO(cpu): Port to other platforms.
 160 LaunchMode GetLaunchShortcutKind() {
 161   return LM_LINUX_MAC_BEOS;
 162 }
 163 #endif
 164
 165 // Log in a histogram the frequency of launching by the different methods. See
 166 // LaunchMode enum for the actual values of the buckets.
 167 void RecordLaunchModeHistogram(LaunchMode mode) {
 168   int bucket = (mode == LM_TO_BE_DECIDED) ? GetLaunchShortcutKind() : mode;
 169   UMA_HISTOGRAM_COUNTS_100("Launch.Modes", bucket);
 170 }
 171
 172 void UrlsToTabs(const std::vector<GURL>& urls, StartupTabs* tabs) {
 173   for (size_t i = 0; i < urls.size(); ++i) {
 174     StartupTab tab;
 175     tab.is_pinned = false;
 176     tab.url = urls[i];
 177     tabs->push_back(tab);
 178   }
 179 }
 180
 181 // Return true if the command line option --app-id is used.  Set
 182 // |out_extension| to the app to open, and |out_launch_container|
 183 // to the type of window into which the app should be open.
 184 bool GetAppLaunchContainer(
 185     Profile* profile,
 186     const std::string& app_id,
 187     const Extension** out_extension,
 188     extension_misc::LaunchContainer* out_launch_container) {
 189
 190   ExtensionService* extensions_service = profile->GetExtensionService();
 191   const Extension* extension =
 192       extensions_service->GetExtensionById(app_id, false);
 193
 194   // The extension with id |app_id| may have been uninstalled.
 195   if (!extension)
 196     return false;
 197
 198   // Don't launch platform apps in incognito mode.
 199   if (profile->IsOffTheRecord() && extension->is_platform_app())
 200     return false;
 201
 202   // Look at preferences to find the right launch container.  If no
 203   // preference is set, launch as a window.
 204   extension_misc::LaunchContainer launch_container =
 205       extensions_service->extension_prefs()->GetLaunchContainer(
 206           extension, extensions::ExtensionPrefs::LAUNCH_WINDOW);
 207
 208   *out_extension = extension;
 209   *out_launch_container = launch_container;
 210   return true;
 211 }
 212
 213 // Parse two comma-separated integers from string. Return true on success.
 214 bool ParseCommaSeparatedIntegers(const std::string& str,
 215                                  int* ret_num1,
 216                                  int* ret_num2) {
 217   std::vector<std::string> dimensions;
 218   base::SplitString(str, ',', &dimensions);
 219   if (dimensions.size() != 2)
 220     return false;
 221
 222   int num1, num2;
 223   if (!base::StringToInt(dimensions[0], &num1) ||
 224       !base::StringToInt(dimensions[1], &num2))
 225     return false;
 226
 227   *ret_num1 = num1;
 228   *ret_num2 = num2;
 229   return true;
 230 }
 231
 232 void RecordCmdLineAppHistogram(extensions::Manifest::Type app_type) {
 233   CoreAppLauncherHandler::RecordAppLaunchType(
 234       extension_misc::APP_LAUNCH_CMD_LINE_APP,
 235       app_type);
 236 }
 237
 238 void RecordAppLaunches(Profile* profile,
 239                        const std::vector<GURL>& cmd_line_urls,
 240                        StartupTabs& autolaunch_tabs) {
 241   ExtensionService* extension_service = profile->GetExtensionService();
 242   DCHECK(extension_service);
 243   for (size_t i = 0; i < cmd_line_urls.size(); ++i) {
 244     const extensions::Extension* extension =
 245         extension_service->GetInstalledApp(cmd_line_urls.at(i));
 246     if (extension) {
 247       CoreAppLauncherHandler::RecordAppLaunchType(
 248           extension_misc::APP_LAUNCH_CMD_LINE_URL,
 249           extension->GetType());
 250     }
 251   }
 252   for (size_t i = 0; i < autolaunch_tabs.size(); ++i) {
 253     const extensions::Extension* extension =
 254         extension_service->GetInstalledApp(autolaunch_tabs.at(i).url);
 255     if (extension) {
 256       CoreAppLauncherHandler::RecordAppLaunchType(
 257           extension_misc::APP_LAUNCH_AUTOLAUNCH,
 258           extension->GetType());
 259     }
 260   }
 261 }
 262
 263 bool IsNewTabURL(Profile* profile, const GURL& url) {
 264   GURL ntp_url(chrome::kChromeUINewTabURL);
 265   return url == ntp_url ||
 266          (url.is_empty() && profile->GetHomePage() == ntp_url);
 267 }
 268
 269 class WebContentsCloseObserver : public content::NotificationObserver {
 270  public:
 271   WebContentsCloseObserver() : contents_(NULL) {}
 272   virtual ~WebContentsCloseObserver() {}
 273
 274   void SetContents(content::WebContents* contents) {
 275     DCHECK(!contents_);
 276     contents_ = contents;
 277
 278     registrar_.Add(this,
 279                    content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
 280                    content::Source<content::WebContents>(contents_));
 281   }
 282
 283   content::WebContents* contents() { return contents_; }
 284
 285  private:
 286   // content::NotificationObserver overrides:
 287   virtual void Observe(int type,
 288                        const content::NotificationSource& source,
 289                        const content::NotificationDetails& details) OVERRIDE {
 290     DCHECK_EQ(type, content::NOTIFICATION_WEB_CONTENTS_DESTROYED);
 291     contents_ = NULL;
 292   }
 293
 294   content::WebContents* contents_;
 295   content::NotificationRegistrar registrar_;
 296
 297   DISALLOW_COPY_AND_ASSIGN(WebContentsCloseObserver);
 298 };
 299
 300 }  // namespace
 301
 302 namespace internals {
 303
 304 GURL GetWelcomePageURL() {
 305   std::string welcome_url = l10n_util::GetStringUTF8(IDS_WELCOME_PAGE_URL);
 306   return GURL(welcome_url);
 307 }
 308
 309 }  // namespace internals
 310
 311 StartupBrowserCreatorImpl::StartupBrowserCreatorImpl(
 312     const base::FilePath& cur_dir,
 313     const CommandLine& command_line,
 314     chrome::startup::IsFirstRun is_first_run)
 315     : cur_dir_(cur_dir),
 316       command_line_(command_line),
 317       profile_(NULL),
 318       browser_creator_(NULL),
 319       is_first_run_(is_first_run == chrome::startup::IS_FIRST_RUN) {
 320 }
 321
 322 StartupBrowserCreatorImpl::StartupBrowserCreatorImpl(
 323     const base::FilePath& cur_dir,
 324     const CommandLine& command_line,
 325     StartupBrowserCreator* browser_creator,
 326     chrome::startup::IsFirstRun is_first_run)
 327     : cur_dir_(cur_dir),
 328       command_line_(command_line),
 329       profile_(NULL),
 330       browser_creator_(browser_creator),
 331       is_first_run_(is_first_run == chrome::startup::IS_FIRST_RUN) {
 332 }
 333
 334 StartupBrowserCreatorImpl::~StartupBrowserCreatorImpl() {
 335 }
 336
 337 bool StartupBrowserCreatorImpl::Launch(Profile* profile,
 338                                        const std::vector<GURL>& urls_to_open,
 339                                        bool process_startup,
 340                                        chrome::HostDesktopType desktop_type) {
 341   DCHECK(profile);
 342   profile_ = profile;
 343
 344   if (command_line_.HasSwitch(switches::kDnsLogDetails))
 345     chrome_browser_net::EnablePredictorDetailedLog(true);
 346   if (command_line_.HasSwitch(switches::kDnsPrefetchDisable) &&
 347       profile->GetNetworkPredictor()) {
 348     profile->GetNetworkPredictor()->EnablePredictor(false);
 349   }
 350
 351   AppListService::InitAll(profile);
 352   if (command_line_.HasSwitch(switches::kShowAppList)) {
 353     AppListService::RecordShowTimings(command_line_);
 354     AppListService::Get()->ShowForProfile(profile);
 355     return true;
 356   }
 357
 358   // Open the required browser windows and tabs. First, see if
 359   // we're being run as an application window. If so, the user
 360   // opened an app shortcut.  Don't restore tabs or open initial
 361   // URLs in that case. The user should see the window as an app,
 362   // not as chrome.
 363   // Special case is when app switches are passed but we do want to restore
 364   // session. In that case open app window + focus it after session is restored.
 365   content::WebContents* app_contents = NULL;
 366   if (OpenApplicationWindow(profile, &app_contents)) {
 367     RecordLaunchModeHistogram(LM_AS_WEBAPP);
 368   } else {
 369     RecordLaunchModeHistogram(urls_to_open.empty() ?
 370                               LM_TO_BE_DECIDED : LM_WITH_URLS);
 371
 372     ProcessLaunchURLs(process_startup, urls_to_open, desktop_type);
 373
 374     // If this is an app launch, but we didn't open an app window, it may
 375     // be an app tab.
 376     OpenApplicationTab(profile);
 377
 378 #if defined(OS_MACOSX)
 379     if (process_startup) {
 380       // Check whether the auto-update system needs to be promoted from user
 381       // to system.
 382       KeystoneInfoBar::PromotionInfoBar(profile);
 383     }
 384 #endif
 385   }
 386
 387 #if defined(OS_WIN)
 388   if (process_startup)
 389     ShellIntegration::MigrateChromiumShortcuts();
 390 #endif  // defined(OS_WIN)
 391
 392   return true;
 393 }
 394
 395 void StartupBrowserCreatorImpl::ExtractOptionalAppWindowSize(
 396     gfx::Rect* bounds) {
 397   if (command_line_.HasSwitch(switches::kAppWindowSize)) {
 398     int width, height;
 399     width = height = 0;
 400     std::string switch_value =
 401         command_line_.GetSwitchValueASCII(switches::kAppWindowSize);
 402     if (ParseCommaSeparatedIntegers(switch_value, &width, &height)) {
 403       // TODO(scottmg): NativeScreen might be wrong. http://crbug.com/133312
 404       const gfx::Rect work_area =
 405           gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area();
 406       width = std::min(width, work_area.width());
 407       height = std::min(height, work_area.height());
 408       bounds->set_size(gfx::Size(width, height));
 409       bounds->set_x((work_area.width() - bounds->width()) / 2);
 410       // TODO(nkostylev): work_area does include launcher but should not.
 411       // Launcher auto hide pref is synced and is most likely not applied here.
 412       bounds->set_y((work_area.height() - bounds->height()) / 2);
 413     }
 414   }
 415 }
 416
 417 bool StartupBrowserCreatorImpl::IsAppLaunch(std::string* app_url,
 418                                             std::string* app_id) {
 419   if (command_line_.HasSwitch(switches::kApp)) {
 420     if (app_url)
 421       *app_url = command_line_.GetSwitchValueASCII(switches::kApp);
 422     return true;
 423   }
 424   if (command_line_.HasSwitch(switches::kAppId)) {
 425     if (app_id)
 426       *app_id = command_line_.GetSwitchValueASCII(switches::kAppId);
 427     return true;
 428   }
 429   return false;
 430 }
 431
 432 bool StartupBrowserCreatorImpl::OpenApplicationTab(Profile* profile) {
 433   std::string app_id;
 434   // App shortcuts to URLs always open in an app window.  Because this
 435   // function will open an app that should be in a tab, there is no need
 436   // to look at the app URL.  OpenApplicationWindow() will open app url
 437   // shortcuts.
 438   if (!IsAppLaunch(NULL, &app_id) || app_id.empty())
 439     return false;
 440
 441   extension_misc::LaunchContainer launch_container;
 442   const Extension* extension;
 443   if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
 444     return false;
 445
 446   // If the user doesn't want to open a tab, fail.
 447   if (launch_container != extension_misc::LAUNCH_TAB)
 448     return false;
 449
 450   RecordCmdLineAppHistogram(extension->GetType());
 451
 452   WebContents* app_tab = chrome::OpenApplication(chrome::AppLaunchParams(
 453       profile, extension, extension_misc::LAUNCH_TAB, NEW_FOREGROUND_TAB));
 454   return (app_tab != NULL);
 455 }
 456
 457 bool StartupBrowserCreatorImpl::OpenApplicationWindow(
 458     Profile* profile,
 459     content::WebContents** out_app_contents) {
 460   // Set |out_app_contents| to NULL early on (just in case).
 461   if (out_app_contents)
 462     *out_app_contents = NULL;
 463
 464   std::string url_string, app_id;
 465   if (!IsAppLaunch(&url_string, &app_id))
 466     return false;
 467
 468   // This can fail if the app_id is invalid.  It can also fail if the
 469   // extension is external, and has not yet been installed.
 470   // TODO(skerner): Do something reasonable here. Pop up a warning panel?
 471   // Open an URL to the gallery page of the extension id?
 472   if (!app_id.empty()) {
 473     extension_misc::LaunchContainer launch_container;
 474     const Extension* extension;
 475     if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
 476       return false;
 477
 478     // TODO(skerner): Could pass in |extension| and |launch_container|,
 479     // and avoid calling GetAppLaunchContainer() both here and in
 480     // OpenApplicationTab().
 481
 482     if (launch_container == extension_misc::LAUNCH_TAB)
 483       return false;
 484
 485     RecordCmdLineAppHistogram(extension->GetType());
 486
 487     chrome::AppLaunchParams params(profile, extension,
 488                                    launch_container, NEW_WINDOW);
 489     params.command_line = &command_line_;
 490     params.current_directory = cur_dir_;
 491     WebContents* tab_in_app_window = chrome::OpenApplication(params);
 492
 493     if (out_app_contents)
 494       *out_app_contents = tab_in_app_window;
 495
 496     // Platform apps fire off a launch event which may or may not open a window.
 497     return (tab_in_app_window != NULL || extension->is_platform_app());
 498   }
 499
 500   if (url_string.empty())
 501     return false;
 502
 503 #if defined(OS_WIN)  // Fix up Windows shortcuts.
 504   ReplaceSubstringsAfterOffset(&url_string, 0, "\\x", "%");
 505 #endif
 506   GURL url(url_string);
 507
 508   // Restrict allowed URLs for --app switch.
 509   if (!url.is_empty() && url.is_valid()) {
 510     ChildProcessSecurityPolicy* policy =
 511         ChildProcessSecurityPolicy::GetInstance();
 512     if (policy->IsWebSafeScheme(url.scheme()) ||
 513         url.SchemeIs(chrome::kFileScheme)) {
 514       const extensions::Extension* extension =
 515           profile->GetExtensionService()->GetInstalledApp(url);
 516       if (extension) {
 517         RecordCmdLineAppHistogram(extension->GetType());
 518       } else {
 519         CoreAppLauncherHandler::RecordAppLaunchType(
 520             extension_misc::APP_LAUNCH_CMD_LINE_APP_LEGACY,
 521             extensions::Manifest::TYPE_HOSTED_APP);
 522       }
 523
 524       gfx::Rect override_bounds;
 525       ExtractOptionalAppWindowSize(&override_bounds);
 526
 527       WebContents* app_tab = chrome::OpenAppShortcutWindow(profile,
 528                                                            url,
 529                                                            override_bounds);
 530
 531       if (out_app_contents)
 532         *out_app_contents = app_tab;
 533
 534       return (app_tab != NULL);
 535     }
 536   }
 537   return false;
 538 }
 539
 540 void StartupBrowserCreatorImpl::ProcessLaunchURLs(
 541     bool process_startup,
 542     const std::vector<GURL>& urls_to_open,
 543     chrome::HostDesktopType desktop_type) {
 544   // If we're starting up in "background mode" (no open browser window) then
 545   // don't open any browser windows, unless kAutoLaunchAtStartup is also
 546   // specified.
 547   if (process_startup &&
 548       command_line_.HasSwitch(switches::kNoStartupWindow) &&
 549       !command_line_.HasSwitch(switches::kAutoLaunchAtStartup)) {
 550     return;
 551   }
 552
 553 // TODO(tapted): Move this to startup_browser_creator_win.cc after refactor.
 554 #if defined(OS_WIN)
 555   if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
 556     // See if there are apps for this profile that should be launched on startup
 557     // due to a switch from Metro mode.
 558     apps::HandleAppLaunchForMetroRestart(profile_);
 559   }
 560 #endif
 561
 562   if (process_startup && ProcessStartupURLs(urls_to_open, desktop_type)) {
 563     // ProcessStartupURLs processed the urls, nothing else to do.
 564     return;
 565   }
 566
 567   chrome::startup::IsProcessStartup is_process_startup = process_startup ?
 568       chrome::startup::IS_PROCESS_STARTUP :
 569       chrome::startup::IS_NOT_PROCESS_STARTUP;
 570   if (!process_startup) {
 571     // Even if we're not starting a new process, this may conceptually be
 572     // "startup" for the user and so should be handled in a similar way.  Eg.,
 573     // Chrome may have been running in the background due to an app with a
 574     // background page being installed, or running with only an app window
 575     // displayed.
 576     SessionService* service = SessionServiceFactory::GetForProfile(profile_);
 577     if (service && service->ShouldNewWindowStartSession()) {
 578       // Restore the last session if any.
 579       if (!HasPendingUncleanExit(profile_) &&
 580           service->RestoreIfNecessary(urls_to_open)) {
 581         return;
 582       }
 583       // Open user-specified URLs like pinned tabs and startup tabs.
 584       Browser* browser = ProcessSpecifiedURLs(urls_to_open, desktop_type);
 585       if (browser) {
 586         AddInfoBarsIfNecessary(browser, is_process_startup);
 587         return;
 588       }
 589     }
 590   }
 591
 592   // Session startup didn't occur, open the urls.
 593   Browser* browser = NULL;
 594   std::vector<GURL> adjust_urls = urls_to_open;
 595   if (adjust_urls.empty()) {
 596     AddStartupURLs(&adjust_urls);
 597     if (StartupBrowserCreatorImpl::OpenStartupURLsInExistingBrowser(
 598             profile_, adjust_urls))
 599       return;
 600   } else if (!command_line_.HasSwitch(switches::kOpenInNewWindow)) {
 601     // Always open a list of urls in a window on the native desktop.
 602     browser = chrome::FindTabbedBrowser(profile_, false,
 603                                         chrome::HOST_DESKTOP_TYPE_NATIVE);
 604   }
 605   // This will launch a browser; prevent session restore.
 606   StartupBrowserCreator::in_synchronous_profile_launch_ = true;
 607   browser = OpenURLsInBrowser(browser, process_startup, adjust_urls,
 608                               desktop_type);
 609   StartupBrowserCreator::in_synchronous_profile_launch_ = false;
 610   AddInfoBarsIfNecessary(browser, is_process_startup);
 611 }
 612
 613 bool StartupBrowserCreatorImpl::ProcessStartupURLs(
 614     const std::vector<GURL>& urls_to_open,
 615     chrome::HostDesktopType desktop_type) {
 616   VLOG(1) << "StartupBrowserCreatorImpl::ProcessStartupURLs";
 617   SessionStartupPref pref =
 618       StartupBrowserCreator::GetSessionStartupPref(command_line_, profile_);
 619   if (pref.type == SessionStartupPref::LAST)
 620     VLOG(1) << "Pref: last";
 621   else if (pref.type == SessionStartupPref::URLS)
 622     VLOG(1) << "Pref: urls";
 623   else if (pref.type == SessionStartupPref::DEFAULT)
 624     VLOG(1) << "Pref: default";
 625
 626   apps::AppRestoreService* restore_service =
 627       apps::AppRestoreServiceFactory::GetForProfile(profile_);
 628   // NULL in incognito mode.
 629   if (restore_service) {
 630     restore_service->HandleStartup(apps::AppRestoreService::ShouldRestoreApps(
 631         StartupBrowserCreator::WasRestarted()));
 632   }
 633
 634   if (pref.type == SessionStartupPref::LAST) {
 635     if (profile_->GetLastSessionExitType() == Profile::EXIT_CRASHED &&
 636         !command_line_.HasSwitch(switches::kRestoreLastSession)) {
 637       // The last session crashed. It's possible automatically loading the
 638       // page will trigger another crash, locking the user out of chrome.
 639       // To avoid this, don't restore on startup but instead show the crashed
 640       // infobar.
 641       VLOG(1) << "Unclean exit; not processing";
 642       return false;
 643     }
 644
 645     uint32 restore_behavior = SessionRestore::SYNCHRONOUS;
 646     if (browser_defaults::kAlwaysCreateTabbedBrowserOnSessionRestore ||
 647         CommandLine::ForCurrentProcess()->HasSwitch(
 648             switches::kCreateBrowserOnStartupForTests)) {
 649       restore_behavior |= SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
 650     }
 651
 652 #if defined(OS_MACOSX)
 653     // On Mac, when restoring a session with no windows, suppress the creation
 654     // of a new window in the case where the system is launching Chrome via a
 655     // login item or Lion's resume feature.
 656     if (base::mac::WasLaunchedAsLoginOrResumeItem()) {
 657       restore_behavior = restore_behavior &
 658                          ~SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
 659     }
 660 #endif
 661
 662     // Pause the StartupTimer. Since the restore here is synchronous, we can
 663     // keep these two metrics (browser startup time and session restore time)
 664     // separate.
 665     performance_monitor::StartupTimer::PauseTimer();
 666
 667     // The startup code only executes for browsers launched in desktop mode.
 668     // i.e. HOST_DESKTOP_TYPE_NATIVE. Ash should never get here.
 669     Browser* browser = SessionRestore::RestoreSession(
 670         profile_, NULL, desktop_type, restore_behavior,
 671         urls_to_open);
 672
 673     performance_monitor::StartupTimer::UnpauseTimer();
 674
 675     AddInfoBarsIfNecessary(browser, chrome::startup::IS_PROCESS_STARTUP);
 676     return true;
 677   }
 678
 679   Browser* browser = ProcessSpecifiedURLs(urls_to_open, desktop_type);
 680   if (!browser)
 681     return false;
 682
 683   AddInfoBarsIfNecessary(browser, chrome::startup::IS_PROCESS_STARTUP);
 684
 685   // Session restore may occur if the startup preference is "last" or if the
 686   // crash infobar is displayed. Otherwise, it's safe for the DOM storage system
 687   // to start deleting leftover data.
 688   if (pref.type != SessionStartupPref::LAST &&
 689       !HasPendingUncleanExit(profile_)) {
 690     content::BrowserContext::GetDefaultStoragePartition(profile_)->
 691         GetDOMStorageContext()->StartScavengingUnusedSessionStorage();
 692   }
 693
 694   return true;
 695 }
 696
 697 Browser* StartupBrowserCreatorImpl::ProcessSpecifiedURLs(
 698     const std::vector<GURL>& urls_to_open,
 699     chrome::HostDesktopType desktop_type) {
 700   SessionStartupPref pref =
 701       StartupBrowserCreator::GetSessionStartupPref(command_line_, profile_);
 702   StartupTabs tabs;
 703   // Pinned tabs should not be displayed when chrome is launched in incognito
 704   // mode. Also, no pages should be opened automatically if the session
 705   // crashed. Otherwise it might trigger another crash, locking the user out of
 706   // chrome. The crash infobar is shown in this case.
 707   if (!IncognitoModePrefs::ShouldLaunchIncognito(command_line_,
 708                                                  profile_->GetPrefs()) &&
 709       !HasPendingUncleanExit(profile_)) {
 710     tabs = PinnedTabCodec::ReadPinnedTabs(profile_);
 711   }
 712
 713   RecordAppLaunches(profile_, urls_to_open, tabs);
 714
 715   if (!urls_to_open.empty()) {
 716     // If urls were specified on the command line, use them.
 717     UrlsToTabs(urls_to_open, &tabs);
 718   } else if (pref.type == SessionStartupPref::DEFAULT ||
 719              (is_first_run_ &&
 720               browser_creator_ && !browser_creator_->first_run_tabs_.empty())) {
 721     std::vector<GURL> urls;
 722     AddStartupURLs(&urls);
 723     UrlsToTabs(urls, &tabs);
 724   } else if (pref.type == SessionStartupPref::URLS && !pref.urls.empty() &&
 725              !HasPendingUncleanExit(profile_)) {
 726     // Only use the set of urls specified in preferences if nothing was
 727     // specified on the command line. Filter out any urls that are to be
 728     // restored by virtue of having been previously pinned.
 729     AddUniqueURLs(pref.urls, &tabs);
 730   } else if (pref.type == SessionStartupPref::HOMEPAGE) {
 731     // If 'homepage' selected, either by the user or by a policy, we should
 732     // have migrated them to another value.
 733     NOTREACHED() << "SessionStartupPref has deprecated type HOMEPAGE";
 734   }
 735
 736   if (tabs.empty())
 737     return NULL;
 738
 739   Browser* browser = OpenTabsInBrowser(NULL, true, tabs, desktop_type);
 740   return browser;
 741 }
 742
 743 void StartupBrowserCreatorImpl::AddUniqueURLs(const std::vector<GURL>& urls,
 744                                               StartupTabs* tabs) {
 745   size_t num_existing_tabs = tabs->size();
 746   for (size_t i = 0; i < urls.size(); ++i) {
 747     bool in_tabs = false;
 748     for (size_t j = 0; j < num_existing_tabs; ++j) {
 749       if (urls[i] == (*tabs)[j].url) {
 750         in_tabs = true;
 751         break;
 752       }
 753     }
 754     if (!in_tabs) {
 755       StartupTab tab;
 756       tab.is_pinned = false;
 757       tab.url = urls[i];
 758       tabs->push_back(tab);
 759     }
 760   }
 761 }
 762
 763 Browser* StartupBrowserCreatorImpl::OpenURLsInBrowser(
 764     Browser* browser,
 765     bool process_startup,
 766     const std::vector<GURL>& urls,
 767     chrome::HostDesktopType desktop_type) {
 768   StartupTabs tabs;
 769   UrlsToTabs(urls, &tabs);
 770   return OpenTabsInBrowser(browser, process_startup, tabs, desktop_type);
 771 }
 772
 773 Browser* StartupBrowserCreatorImpl::OpenTabsInBrowser(
 774     Browser* browser,
 775     bool process_startup,
 776     const StartupTabs& tabs,
 777     chrome::HostDesktopType desktop_type) {
 778   DCHECK(!tabs.empty());
 779
 780   // If we don't yet have a profile, try to use the one we're given from
 781   // |browser|. While we may not end up actually using |browser| (since it
 782   // could be a popup window), we can at least use the profile.
 783   if (!profile_ && browser)
 784     profile_ = browser->profile();
 785
 786   if (!browser || !browser->is_type_tabbed()) {
 787     browser = new Browser(Browser::CreateParams(profile_, desktop_type));
 788   } else {
 789 #if defined(TOOLKIT_GTK)
 790     // Setting the time of the last action on the window here allows us to steal
 791     // focus, which is what the user wants when opening a new tab in an existing
 792     // browser window.
 793     gtk_util::SetWMLastUserActionTime(browser->window()->GetNativeWindow());
 794 #endif
 795   }
 796
 797   // In kiosk mode, we want to always be fullscreen, so switch to that now.
 798   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode))
 799     chrome::ToggleFullscreenMode(browser);
 800
 801   bool first_tab = true;
 802   ProtocolHandlerRegistry* registry = profile_ ?
 803       ProtocolHandlerRegistryFactory::GetForProfile(profile_) : NULL;
 804   for (size_t i = 0; i < tabs.size(); ++i) {
 805     // We skip URLs that we'd have to launch an external protocol handler for.
 806     // This avoids us getting into an infinite loop asking ourselves to open
 807     // a URL, should the handler be (incorrectly) configured to be us. Anyone
 808     // asking us to open such a URL should really ask the handler directly.
 809     bool handled_by_chrome = ProfileIOData::IsHandledURL(tabs[i].url) ||
 810         (registry && registry->IsHandledProtocol(tabs[i].url.scheme()));
 811     if (!process_startup && !handled_by_chrome)
 812       continue;
 813
 814     int add_types = first_tab ? TabStripModel::ADD_ACTIVE :
 815                                 TabStripModel::ADD_NONE;
 816     add_types |= TabStripModel::ADD_FORCE_INDEX;
 817     if (tabs[i].is_pinned)
 818       add_types |= TabStripModel::ADD_PINNED;
 819
 820     chrome::NavigateParams params(browser, tabs[i].url,
 821                                   content::PAGE_TRANSITION_AUTO_TOPLEVEL);
 822     params.disposition = first_tab ? NEW_FOREGROUND_TAB : NEW_BACKGROUND_TAB;
 823     params.tabstrip_add_types = add_types;
 824     params.extension_app_id = tabs[i].app_id;
 825
 826 #if defined(ENABLE_RLZ)
 827     if (process_startup && google_util::IsGoogleHomePageUrl(tabs[i].url)) {
 828       params.extra_headers = RLZTracker::GetAccessPointHttpHeader(
 829           RLZTracker::CHROME_HOME_PAGE);
 830     }
 831 #endif
 832
 833     chrome::Navigate(&params);
 834
 835     first_tab = false;
 836   }
 837   if (!browser->tab_strip_model()->GetActiveWebContents()) {
 838     // TODO: this is a work around for 110909. Figure out why it's needed.
 839     if (!browser->tab_strip_model()->count())
 840       chrome::AddBlankTabAt(browser, -1, true);
 841     else
 842       browser->tab_strip_model()->ActivateTabAt(0, false);
 843   }
 844
 845   // The default behavior is to show the window, as expressed by the default
 846   // value of StartupBrowserCreated::show_main_browser_window_. If this was set
 847   // to true ahead of this place, it means another task must have been spawned
 848   // to take care of that.
 849   if (!browser_creator_ || browser_creator_->show_main_browser_window())
 850     browser->window()->Show();
 851
 852   return browser;
 853 }
 854
 855 void StartupBrowserCreatorImpl::AddInfoBarsIfNecessary(
 856     Browser* browser,
 857     chrome::startup::IsProcessStartup is_process_startup) {
 858   if (!browser || !profile_ || browser->tab_strip_model()->count() == 0)
 859     return;
 860
 861   if (HasPendingUncleanExit(browser->profile()))
 862     SessionCrashedInfoBarDelegate::Create(browser);
 863
 864   // The below info bars are only added to the first profile which is launched.
 865   // Other profiles might be restoring the browsing sessions asynchronously,
 866   // so we cannot add the info bars to the focused tabs here.
 867   if (is_process_startup == chrome::startup::IS_PROCESS_STARTUP) {
 868     chrome::ShowBadFlagsPrompt(browser);
 869     if (!command_line_.HasSwitch(switches::kTestType)) {
 870       GoogleApiKeysInfoBarDelegate::Create(InfoBarService::FromWebContents(
 871           browser->tab_strip_model()->GetActiveWebContents()));
 872     }
 873
 874     ObsoleteOSInfoBarDelegate::Create(InfoBarService::FromWebContents(
 875         browser->tab_strip_model()->GetActiveWebContents()));
 876
 877     if (browser_defaults::kOSSupportsOtherBrowsers &&
 878         !command_line_.HasSwitch(switches::kNoDefaultBrowserCheck)) {
 879       // Generally, the default browser prompt should not be shown on first
 880       // run. However, when the set-as-default dialog has been suppressed, we
 881       // need to allow it.
 882       if ((!is_first_run_ ||
 883            (browser_creator_ &&
 884             browser_creator_->is_default_browser_dialog_suppressed())) &&
 885           !chrome::ShowAutolaunchPrompt(browser)) {
 886         chrome::ShowDefaultBrowserPrompt(profile_,
 887                                          browser->host_desktop_type());
 888       }
 889     }
 890   }
 891 }
 892
 893 void StartupBrowserCreatorImpl::AddStartupURLs(
 894     std::vector<GURL>* startup_urls) const {
 895   // TODO(atwilson): Simplify the logic that decides which tabs to open on
 896   // start-up and make it more consistent. http://crbug.com/248883
 897
 898   // If we have urls specified by the first run master preferences use them
 899   // and nothing else.
 900   if (browser_creator_ && startup_urls->empty()) {
 901     if (!browser_creator_->first_run_tabs_.empty()) {
 902       std::vector<GURL>::iterator it =
 903           browser_creator_->first_run_tabs_.begin();
 904       while (it != browser_creator_->first_run_tabs_.end()) {
 905         // Replace magic names for the actual urls.
 906         if (it->host() == "new_tab_page") {
 907           startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
 908         } else if (it->host() == "welcome_page") {
 909           startup_urls->push_back(internals::GetWelcomePageURL());
 910         } else {
 911           startup_urls->push_back(*it);
 912         }
 913         ++it;
 914       }
 915       browser_creator_->first_run_tabs_.clear();
 916     }
 917   }
 918
 919   // Otherwise open at least the new tab page (and the welcome page, if this
 920   // is the first time the browser is being started), or the set of URLs
 921   // specified on the command line.
 922   if (startup_urls->empty()) {
 923     startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
 924     if (first_run::ShouldShowWelcomePage())
 925       startup_urls->push_back(internals::GetWelcomePageURL());
 926   }
 927
 928   if (signin::ShouldShowPromoAtStartup(profile_, is_first_run_)) {
 929     signin::DidShowPromoAtStartup(profile_);
 930
 931     const GURL sync_promo_url = signin::GetPromoURL(signin::SOURCE_START_PAGE,
 932                                                     false);
 933
 934     // No need to add if the sync promo is already in the startup list.
 935     bool add_promo = true;
 936     for (std::vector<GURL>::const_iterator it = startup_urls->begin();
 937          it != startup_urls->end(); ++it) {
 938       if (*it == sync_promo_url) {
 939         add_promo = false;
 940         break;
 941       }
 942     }
 943
 944     if (add_promo) {
 945       // If the first URL is the NTP, replace it with the sync promo. This
 946       // behavior is desired because completing or skipping the sync promo
 947       // causes a redirect to the NTP.
 948       if (!startup_urls->empty() && IsNewTabURL(profile_, startup_urls->at(0)))
 949         startup_urls->at(0) = sync_promo_url;
 950       else
 951         startup_urls->insert(startup_urls->begin(), sync_promo_url);
 952     }
 953   }
 954 }
 955
 956 #if !defined(OS_WIN)
 957 // static
 958 bool StartupBrowserCreatorImpl::OpenStartupURLsInExistingBrowser(
 959     Profile* profile,
 960     const std::vector<GURL>& startup_urls) {
 961   return false;
 962 }
 963 #endif