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