chrome/browser/ui/startup/startup_browser_creator.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.h"
   6
   7 #include <algorithm>   // For max().
   8 #include <set>
   9
  10 #include "apps/app_load_service.h"
  11 #include "apps/switches.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/files/file_path.h"
  18 #include "base/files/file_util.h"
  19 #include "base/lazy_instance.h"
  20 #include "base/logging.h"
  21 #include "base/memory/scoped_ptr.h"
  22 #include "base/metrics/histogram_macros.h"
  23 #include "base/metrics/statistics_recorder.h"
  24 #include "base/prefs/pref_service.h"
  25 #include "base/profiler/scoped_profile.h"
  26 #include "base/strings/string_number_conversions.h"
  27 #include "base/strings/string_split.h"
  28 #include "base/strings/string_tokenizer.h"
  29 #include "base/strings/utf_string_conversions.h"
  30 #include "base/threading/thread_restrictions.h"
  31 #include "base/trace_event/trace_event.h"
  32 #include "chrome/browser/app_mode/app_mode_utils.h"
  33 #include "chrome/browser/auto_launch_trial.h"
  34 #include "chrome/browser/browser_process.h"
  35 #include "chrome/browser/chrome_notification_types.h"
  36 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
  37 #include "chrome/browser/extensions/startup_helper.h"
  38 #include "chrome/browser/extensions/unpacked_installer.h"
  39 #include "chrome/browser/first_run/first_run.h"
  40 #include "chrome/browser/notifications/desktop_notification_service.h"
  41 #include "chrome/browser/prefs/incognito_mode_prefs.h"
  42 #include "chrome/browser/prefs/session_startup_pref.h"
  43 #include "chrome/browser/profiles/profile.h"
  44 #include "chrome/browser/profiles/profile_manager.h"
  45 #include "chrome/browser/profiles/profiles_state.h"
  46 #include "chrome/browser/search_engines/template_url_service_factory.h"
  47 #include "chrome/browser/ui/app_list/app_list_service.h"
  48 #include "chrome/browser/ui/browser.h"
  49 #include "chrome/browser/ui/browser_dialogs.h"
  50 #include "chrome/browser/ui/browser_finder.h"
  51 #include "chrome/browser/ui/browser_window.h"
  52 #include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
  53 #include "chrome/browser/ui/user_manager.h"
  54 #include "chrome/common/chrome_constants.h"
  55 #include "chrome/common/chrome_paths.h"
  56 #include "chrome/common/chrome_result_codes.h"
  57 #include "chrome/common/chrome_switches.h"
  58 #include "chrome/common/chrome_version_info.h"
  59 #include "chrome/common/pref_names.h"
  60 #include "chrome/common/url_constants.h"
  61 #include "chrome/installer/util/browser_distribution.h"
  62 #include "components/google/core/browser/google_util.h"
  63 #include "components/search_engines/util.h"
  64 #include "components/signin/core/common/profile_management_switches.h"
  65 #include "components/url_fixer/url_fixer.h"
  66 #include "content/public/browser/browser_thread.h"
  67 #include "content/public/browser/child_process_security_policy.h"
  68 #include "content/public/browser/navigation_controller.h"
  69 #include "content/public/common/content_switches.h"
  70 #include "extensions/common/switches.h"
  71 #include "net/base/net_util.h"
  72
  73 #if defined(USE_ASH)
  74 #include "ash/shell.h"
  75 #endif
  76
  77 #if defined(OS_CHROMEOS)
  78 #include "chrome/browser/chromeos/app_mode/app_launch_utils.h"
  79 #include "chrome/browser/chromeos/login/demo_mode/demo_app_launcher.h"
  80 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  81 #include "chrome/browser/lifetime/application_lifetime.h"
  82 #include "chromeos/chromeos_switches.h"
  83 #include "components/user_manager/user_manager.h"
  84 #endif
  85
  86 #if defined(TOOLKIT_VIEWS) && defined(OS_LINUX)
  87 #include "ui/events/devices/x11/touch_factory_x11.h"
  88 #endif
  89
  90 #if defined(OS_MACOSX)
  91 #include "chrome/browser/web_applications/web_app_mac.h"
  92 #endif
  93
  94 #if defined(OS_WIN)
  95 #include "chrome/browser/metrics/jumplist_metrics_win.h"
  96 #endif
  97
  98 #if defined(ENABLE_PRINT_PREVIEW)
  99 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service.h"
 100 #include "chrome/browser/printing/cloud_print/cloud_print_proxy_service_factory.h"
 101 #include "chrome/browser/printing/print_dialog_cloud.h"
 102 #endif
 103
 104 using content::BrowserThread;
 105 using content::ChildProcessSecurityPolicy;
 106
 107 namespace {
 108
 109 // Keeps track on which profiles have been launched.
 110 class ProfileLaunchObserver : public content::NotificationObserver {
 111  public:
 112   ProfileLaunchObserver()
 113       : profile_to_activate_(NULL),
 114         activated_profile_(false) {
 115     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
 116                    content::NotificationService::AllSources());
 117     registrar_.Add(this, chrome::NOTIFICATION_BROWSER_WINDOW_READY,
 118                    content::NotificationService::AllSources());
 119   }
 120   ~ProfileLaunchObserver() override {}
 121
 122   void Observe(int type,
 123                const content::NotificationSource& source,
 124                const content::NotificationDetails& details) override {
 125     switch (type) {
 126       case chrome::NOTIFICATION_PROFILE_DESTROYED: {
 127         Profile* profile = content::Source<Profile>(source).ptr();
 128         launched_profiles_.erase(profile);
 129         opened_profiles_.erase(profile);
 130         if (profile == profile_to_activate_)
 131           profile_to_activate_ = NULL;
 132         // If this profile was the last launched one without an opened window,
 133         // then we may be ready to activate |profile_to_activate_|.
 134         MaybeActivateProfile();
 135         break;
 136       }
 137       case chrome::NOTIFICATION_BROWSER_WINDOW_READY: {
 138         Browser* browser = content::Source<Browser>(source).ptr();
 139         DCHECK(browser);
 140         opened_profiles_.insert(browser->profile());
 141         MaybeActivateProfile();
 142         break;
 143       }
 144       default:
 145         NOTREACHED();
 146     }
 147   }
 148
 149   bool HasBeenLaunched(const Profile* profile) const {
 150     return launched_profiles_.find(profile) != launched_profiles_.end();
 151   }
 152
 153   void AddLaunched(Profile* profile) {
 154     launched_profiles_.insert(profile);
 155     // Since the startup code only executes for browsers launched in
 156     // desktop mode, i.e., HOST_DESKTOP_TYPE_NATIVE. Ash should never get here.
 157     if (chrome::FindBrowserWithProfile(profile,
 158                                        chrome::HOST_DESKTOP_TYPE_NATIVE)) {
 159       // A browser may get opened before we get initialized (e.g., in tests),
 160       // so we never see the NOTIFICATION_BROWSER_WINDOW_READY for it.
 161       opened_profiles_.insert(profile);
 162     }
 163   }
 164
 165   void Clear() {
 166     launched_profiles_.clear();
 167     opened_profiles_.clear();
 168   }
 169
 170   bool activated_profile() { return activated_profile_; }
 171
 172   void set_profile_to_activate(Profile* profile) {
 173     profile_to_activate_ = profile;
 174     MaybeActivateProfile();
 175   }
 176
 177  private:
 178   void MaybeActivateProfile() {
 179     if (!profile_to_activate_)
 180       return;
 181     // Check that browsers have been opened for all the launched profiles.
 182     // Note that browsers opened for profiles that were not added as launched
 183     // profiles are simply ignored.
 184     std::set<const Profile*>::const_iterator i = launched_profiles_.begin();
 185     for (; i != launched_profiles_.end(); ++i) {
 186       if (opened_profiles_.find(*i) == opened_profiles_.end())
 187         return;
 188     }
 189     // Asynchronous post to give a chance to the last window to completely
 190     // open and activate before trying to activate |profile_to_activate_|.
 191     BrowserThread::PostTask(
 192         BrowserThread::UI, FROM_HERE,
 193         base::Bind(&ProfileLaunchObserver::ActivateProfile,
 194                    base::Unretained(this)));
 195     // Avoid posting more than once before ActivateProfile gets called.
 196     registrar_.Remove(this, chrome::NOTIFICATION_BROWSER_WINDOW_READY,
 197                       content::NotificationService::AllSources());
 198     registrar_.Remove(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
 199                       content::NotificationService::AllSources());
 200   }
 201
 202   void ActivateProfile() {
 203     // We need to test again, in case the profile got deleted in the mean time.
 204     if (profile_to_activate_) {
 205       Browser* browser = chrome::FindBrowserWithProfile(
 206           profile_to_activate_, chrome::HOST_DESKTOP_TYPE_NATIVE);
 207       // |profile| may never get launched, e.g., if it only had
 208       // incognito Windows and one of them was used to exit Chrome.
 209       // So it won't have a browser in that case.
 210       if (browser)
 211         browser->window()->Activate();
 212       // No need try to activate this profile again.
 213       profile_to_activate_ = NULL;
 214     }
 215     // Assign true here, even if no browser was actually activated, so that
 216     // the test can stop waiting, and fail gracefully when needed.
 217     activated_profile_ = true;
 218   }
 219
 220   // These are the profiles that get launched by
 221   // StartupBrowserCreator::LaunchBrowser.
 222   std::set<const Profile*> launched_profiles_;
 223   // These are the profiles for which at least one browser window has been
 224   // opened. This is needed to know when it is safe to activate
 225   // |profile_to_activate_|, otherwise, new browser windows being opened will
 226   // be activated on top of it.
 227   std::set<const Profile*> opened_profiles_;
 228   content::NotificationRegistrar registrar_;
 229   // This is NULL until the profile to activate has been chosen. This value,
 230   // should only be set once all profiles have been launched, otherwise,
 231   // activation may not happen after the launch of newer profiles.
 232   Profile* profile_to_activate_;
 233   // Set once we attempted to activate a profile. We only get one shot at this.
 234   bool activated_profile_;
 235
 236   DISALLOW_COPY_AND_ASSIGN(ProfileLaunchObserver);
 237 };
 238
 239 base::LazyInstance<ProfileLaunchObserver> profile_launch_observer =
 240     LAZY_INSTANCE_INITIALIZER;
 241
 242 // Dumps the current set of the browser process's histograms to |output_file|.
 243 // The file is overwritten if it exists. This function should only be called in
 244 // the blocking pool.
 245 void DumpBrowserHistograms(const base::FilePath& output_file) {
 246   base::ThreadRestrictions::AssertIOAllowed();
 247
 248   std::string output_string(base::StatisticsRecorder::ToJSON(std::string()));
 249   base::WriteFile(output_file, output_string.data(),
 250                   static_cast<int>(output_string.size()));
 251 }
 252
 253 }  // namespace
 254
 255 StartupBrowserCreator::StartupBrowserCreator()
 256     : is_default_browser_dialog_suppressed_(false),
 257       show_main_browser_window_(true) {
 258 }
 259
 260 StartupBrowserCreator::~StartupBrowserCreator() {}
 261
 262 // static
 263 bool StartupBrowserCreator::was_restarted_read_ = false;
 264
 265 // static
 266 bool StartupBrowserCreator::in_synchronous_profile_launch_ = false;
 267
 268 void StartupBrowserCreator::AddFirstRunTab(const GURL& url) {
 269   first_run_tabs_.push_back(url);
 270 }
 271
 272 bool StartupBrowserCreator::Start(const base::CommandLine& cmd_line,
 273                                   const base::FilePath& cur_dir,
 274                                   Profile* last_used_profile,
 275                                   const Profiles& last_opened_profiles) {
 276   TRACE_EVENT0("startup", "StartupBrowserCreator::Start");
 277   TRACK_SCOPED_REGION("Startup", "StartupBrowserCreator::Start");
 278   SCOPED_UMA_HISTOGRAM_TIMER("Startup.StartupBrowserCreator_Start");
 279   return ProcessCmdLineImpl(cmd_line, cur_dir, true, last_used_profile,
 280                             last_opened_profiles, this);
 281 }
 282
 283 // static
 284 bool StartupBrowserCreator::InSynchronousProfileLaunch() {
 285   return in_synchronous_profile_launch_;
 286 }
 287
 288 bool StartupBrowserCreator::LaunchBrowser(
 289     const base::CommandLine& command_line,
 290     Profile* profile,
 291     const base::FilePath& cur_dir,
 292     chrome::startup::IsProcessStartup process_startup,
 293     chrome::startup::IsFirstRun is_first_run) {
 294   in_synchronous_profile_launch_ =
 295       process_startup == chrome::startup::IS_PROCESS_STARTUP;
 296   DCHECK(profile);
 297
 298   // Continue with the incognito profile from here on if Incognito mode
 299   // is forced.
 300   if (IncognitoModePrefs::ShouldLaunchIncognito(command_line,
 301                                                 profile->GetPrefs())) {
 302     profile = profile->GetOffTheRecordProfile();
 303   } else if (command_line.HasSwitch(switches::kIncognito)) {
 304     LOG(WARNING) << "Incognito mode disabled by policy, launching a normal "
 305                  << "browser session.";
 306   }
 307
 308   // Note: This check should have been done in ProcessCmdLineImpl()
 309   // before calling this function. However chromeos/login/login_utils.cc
 310   // calls this function directly (see comments there) so it has to be checked
 311   // again.
 312   const bool silent_launch = command_line.HasSwitch(switches::kSilentLaunch);
 313
 314   if (!silent_launch) {
 315     StartupBrowserCreatorImpl lwp(cur_dir, command_line, this, is_first_run);
 316     const std::vector<GURL> urls_to_launch =
 317         GetURLsFromCommandLine(command_line, cur_dir, profile);
 318     chrome::HostDesktopType host_desktop_type =
 319         chrome::HOST_DESKTOP_TYPE_NATIVE;
 320
 321 #if defined(USE_ASH) && !defined(OS_CHROMEOS)
 322     // We want to maintain only one type of instance for now, either ASH
 323     // or desktop.
 324     // TODO(shrikant): Remove this code once we decide on running both desktop
 325     // and ASH instances side by side.
 326     if (ash::Shell::HasInstance())
 327       host_desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
 328 #endif
 329
 330     const bool launched = lwp.Launch(profile, urls_to_launch,
 331                                in_synchronous_profile_launch_,
 332                                host_desktop_type);
 333     in_synchronous_profile_launch_ = false;
 334     if (!launched) {
 335       LOG(ERROR) << "launch error";
 336       return false;
 337     }
 338   } else {
 339     in_synchronous_profile_launch_ = false;
 340   }
 341
 342   profile_launch_observer.Get().AddLaunched(profile);
 343
 344 #if defined(OS_CHROMEOS)
 345   chromeos::ProfileHelper::Get()->ProfileStartup(profile, process_startup);
 346 #endif
 347   return true;
 348 }
 349
 350 // static
 351 bool StartupBrowserCreator::WasRestarted() {
 352   // Stores the value of the preference kWasRestarted had when it was read.
 353   static bool was_restarted = false;
 354
 355   if (!was_restarted_read_) {
 356     PrefService* pref_service = g_browser_process->local_state();
 357     was_restarted = pref_service->GetBoolean(prefs::kWasRestarted);
 358     pref_service->SetBoolean(prefs::kWasRestarted, false);
 359     was_restarted_read_ = true;
 360   }
 361   return was_restarted;
 362 }
 363
 364 // static
 365 SessionStartupPref StartupBrowserCreator::GetSessionStartupPref(
 366     const base::CommandLine& command_line,
 367     Profile* profile) {
 368   DCHECK(profile);
 369   PrefService* prefs = profile->GetPrefs();
 370   SessionStartupPref pref = SessionStartupPref::GetStartupPref(prefs);
 371
 372   // IsChromeFirstRun() looks for a sentinel file to determine whether the user
 373   // is starting Chrome for the first time. On Chrome OS, the sentinel is stored
 374   // in a location shared by all users and the check is meaningless. Query the
 375   // UserManager instead to determine whether the user is new.
 376 #if defined(OS_CHROMEOS)
 377   const bool is_first_run =
 378       user_manager::UserManager::Get()->IsCurrentUserNew();
 379   // On ChromeOS restarts force the user to login again. The expectation is that
 380   // after a login the user gets clean state. For this reason we ignore
 381   // StartupBrowserCreator::WasRestarted().
 382   const bool did_restart = false;
 383 #else
 384   const bool is_first_run = first_run::IsChromeFirstRun();
 385   const bool did_restart = StartupBrowserCreator::WasRestarted();
 386 #endif
 387
 388   // The pref has an OS-dependent default value. For the first run only, this
 389   // default is overridden with SessionStartupPref::DEFAULT so that first run
 390   // behavior (sync promo, welcome page) is consistently invoked.
 391   // This applies only if the pref is still at its default and has not been
 392   // set by the user, managed prefs or policy.
 393   if (is_first_run && SessionStartupPref::TypeIsDefault(prefs))
 394     pref.type = SessionStartupPref::DEFAULT;
 395
 396   // The switches::kRestoreLastSession command line switch is used to restore
 397   // sessions after a browser self restart (e.g. after a Chrome upgrade).
 398   // However, new profiles can be created from a browser process that has this
 399   // switch so do not set the session pref to SessionStartupPref::LAST for
 400   // those as there is nothing to restore.
 401   if ((command_line.HasSwitch(switches::kRestoreLastSession) || did_restart) &&
 402       !profile->IsNewProfile()) {
 403     pref.type = SessionStartupPref::LAST;
 404   }
 405
 406   // A browser starting for a profile being unlocked should always restore.
 407   if (!profile->IsGuestSession()) {
 408     ProfileInfoCache& info_cache =
 409         g_browser_process->profile_manager()->GetProfileInfoCache();
 410     size_t index = info_cache.GetIndexOfProfileWithPath(profile->GetPath());
 411
 412     if (index != std::string::npos &&
 413         info_cache.ProfileIsSigninRequiredAtIndex(index)) {
 414       pref.type = SessionStartupPref::LAST;
 415     }
 416   }
 417
 418   if (pref.type == SessionStartupPref::LAST &&
 419       IncognitoModePrefs::ShouldLaunchIncognito(command_line, prefs)) {
 420     // We don't store session information when incognito. If the user has
 421     // chosen to restore last session and launched incognito, fallback to
 422     // default launch behavior.
 423     pref.type = SessionStartupPref::DEFAULT;
 424   }
 425
 426   return pref;
 427 }
 428
 429 // static
 430 void StartupBrowserCreator::ClearLaunchedProfilesForTesting() {
 431   profile_launch_observer.Get().Clear();
 432 }
 433
 434 // static
 435 std::vector<GURL> StartupBrowserCreator::GetURLsFromCommandLine(
 436     const base::CommandLine& command_line,
 437     const base::FilePath& cur_dir,
 438     Profile* profile) {
 439   std::vector<GURL> urls;
 440
 441   const base::CommandLine::StringVector& params = command_line.GetArgs();
 442   for (size_t i = 0; i < params.size(); ++i) {
 443     base::FilePath param = base::FilePath(params[i]);
 444     // Handle Vista way of searching - "? <search-term>"
 445     if ((param.value().size() > 2) && (param.value()[0] == '?') &&
 446         (param.value()[1] == ' ')) {
 447       GURL url(GetDefaultSearchURLForSearchTerms(
 448           TemplateURLServiceFactory::GetForProfile(profile),
 449           param.LossyDisplayName().substr(2)));
 450       if (url.is_valid()) {
 451         urls.push_back(url);
 452         continue;
 453       }
 454     }
 455
 456     // Otherwise, fall through to treating it as a URL.
 457
 458     // This will create a file URL or a regular URL.
 459     // This call can (in rare circumstances) block the UI thread.
 460     // Allow it until this bug is fixed.
 461     //  http://code.google.com/p/chromium/issues/detail?id=60641
 462     GURL url = GURL(param.MaybeAsASCII());
 463     // http://crbug.com/371030: Only use URLFixerUpper if we don't have a valid
 464     // URL, otherwise we will look in the current directory for a file named
 465     // 'about' if the browser was started with a about:foo argument.
 466     if (!url.is_valid()) {
 467       base::ThreadRestrictions::ScopedAllowIO allow_io;
 468       url = url_fixer::FixupRelativeFile(cur_dir, param);
 469     }
 470     // Exclude dangerous schemes.
 471     if (url.is_valid()) {
 472       ChildProcessSecurityPolicy* policy =
 473           ChildProcessSecurityPolicy::GetInstance();
 474       if (policy->IsWebSafeScheme(url.scheme()) ||
 475           url.SchemeIs(url::kFileScheme) ||
 476 #if defined(OS_CHROMEOS)
 477           // In ChromeOS, allow any settings page to be specified on the command
 478           // line. See ExistingUserController::OnLoginSuccess.
 479           (url.spec().find(chrome::kChromeUISettingsURL) == 0) ||
 480 #else
 481           ((url.spec().find(std::string(chrome::kChromeUISettingsURL) +
 482                             chrome::kResetProfileSettingsSubPage) == 0)) ||
 483 #endif
 484           (url.spec().compare(url::kAboutBlankURL) == 0)) {
 485         urls.push_back(url);
 486       }
 487     }
 488   }
 489   return urls;
 490 }
 491
 492 // static
 493 bool StartupBrowserCreator::ProcessCmdLineImpl(
 494     const base::CommandLine& command_line,
 495     const base::FilePath& cur_dir,
 496     bool process_startup,
 497     Profile* last_used_profile,
 498     const Profiles& last_opened_profiles,
 499     StartupBrowserCreator* browser_creator) {
 500   TRACE_EVENT0("startup", "StartupBrowserCreator::ProcessCmdLineImpl");
 501
 502   VLOG(2) << "ProcessCmdLineImpl : BEGIN";
 503   DCHECK(last_used_profile);
 504   if (process_startup) {
 505     if (command_line.HasSwitch(switches::kDisablePromptOnRepost))
 506       content::NavigationController::DisablePromptOnRepost();
 507   }
 508
 509   bool silent_launch = false;
 510
 511 #if defined(ENABLE_PRINT_PREVIEW)
 512   // If we are just displaying a print dialog we shouldn't open browser
 513   // windows.
 514   if (command_line.HasSwitch(switches::kCloudPrintFile) &&
 515       print_dialog_cloud::CreatePrintDialogFromCommandLine(last_used_profile,
 516                                                            command_line)) {
 517     silent_launch = true;
 518   }
 519 #endif  // defined(ENABLE_PRINT_PREVIEW)
 520
 521   VLOG(2) << "ProcessCmdLineImpl: PLACE 1";
 522   if (command_line.HasSwitch(switches::kExplicitlyAllowedPorts)) {
 523     std::string allowed_ports =
 524         command_line.GetSwitchValueASCII(switches::kExplicitlyAllowedPorts);
 525     net::SetExplicitlyAllowedPorts(allowed_ports);
 526   }
 527
 528   if (command_line.HasSwitch(switches::kInstallEphemeralAppFromWebstore)) {
 529     extensions::StartupHelper helper;
 530     helper.InstallEphemeralApp(command_line, last_used_profile);
 531     // Nothing more needs to be done, so return false to stop launching and
 532     // quit.
 533     return false;
 534   }
 535
 536   VLOG(2) << "ProcessCmdLineImpl: PLACE 2";
 537   if (command_line.HasSwitch(switches::kValidateCrx)) {
 538     if (!process_startup) {
 539       LOG(ERROR) << "chrome is already running; you must close all running "
 540                  << "instances before running with the --"
 541                  << switches::kValidateCrx << " flag";
 542       return false;
 543     }
 544     extensions::StartupHelper helper;
 545     std::string message;
 546     std::string error;
 547     if (helper.ValidateCrx(command_line, &error))
 548       message = std::string("ValidateCrx Success");
 549     else
 550       message = std::string("ValidateCrx Failure: ") + error;
 551     printf("%s\n", message.c_str());
 552     return false;
 553   }
 554
 555 #if defined(OS_CHROMEOS)
 556
 557   // The browser will be launched after the user logs in.
 558   if (command_line.HasSwitch(chromeos::switches::kLoginManager))
 559     silent_launch = true;
 560
 561   if (chrome::IsRunningInAppMode() &&
 562       command_line.HasSwitch(switches::kAppId)) {
 563     chromeos::LaunchAppOrDie(
 564         last_used_profile,
 565         command_line.GetSwitchValueASCII(switches::kAppId));
 566
 567     // Skip browser launch since app mode launches its app window.
 568     silent_launch = true;
 569   }
 570
 571   // If we are a demo app session and we crashed, there is no safe recovery
 572   // possible. We should instead cleanly exit and go back to the OOBE screen,
 573   // where we will launch again after the timeout has expired.
 574   if (chromeos::DemoAppLauncher::IsDemoAppSession(
 575       command_line.GetSwitchValueASCII(chromeos::switches::kLoginUser))) {
 576     chrome::AttemptUserExit();
 577     return false;
 578   }
 579 #endif  // OS_CHROMEOS
 580
 581 #if defined(TOOLKIT_VIEWS) && defined(USE_X11)
 582   ui::TouchFactory::SetTouchDeviceListFromCommandLine();
 583 #endif
 584
 585   VLOG(2) << "ProcessCmdLineImpl: PLACE 3";
 586 #if defined(OS_MACOSX)
 587   if (web_app::MaybeRebuildShortcut(command_line))
 588     return true;
 589 #endif
 590
 591   if (!process_startup &&
 592       command_line.HasSwitch(switches::kDumpBrowserHistograms)) {
 593     // Only handle --dump-browser-histograms from a rendezvous. In this case, do
 594     // not open a new browser window even if no output file was given.
 595     base::FilePath output_file(
 596         command_line.GetSwitchValuePath(switches::kDumpBrowserHistograms));
 597     if (!output_file.empty()) {
 598       BrowserThread::PostBlockingPoolTask(
 599           FROM_HERE,
 600           base::Bind(&DumpBrowserHistograms, output_file));
 601     }
 602     silent_launch = true;
 603   }
 604
 605   // If --no-startup-window is specified and Chrome is already running then do
 606   // not open a new window.
 607   if (!process_startup && command_line.HasSwitch(switches::kNoStartupWindow))
 608     silent_launch = true;
 609
 610   // If we don't want to launch a new browser window or tab we are done here.
 611   if (silent_launch)
 612     return true;
 613
 614   VLOG(2) << "ProcessCmdLineImpl: PLACE 4.A";
 615   if (command_line.HasSwitch(extensions::switches::kLoadApps) &&
 616       !IncognitoModePrefs::ShouldLaunchIncognito(
 617           command_line, last_used_profile->GetPrefs())) {
 618     if (!ProcessLoadApps(command_line, cur_dir, last_used_profile))
 619       return false;
 620
 621     // Return early here to avoid opening a browser window.
 622     // The exception is when there are no browser windows, since we don't want
 623     // chrome to shut down.
 624     // TODO(jackhou): Do this properly once keep-alive is handled by the
 625     // background page of apps. Tracked at http://crbug.com/175381
 626     if (chrome::GetTotalBrowserCountForProfile(last_used_profile) != 0)
 627       return true;
 628   }
 629
 630   VLOG(2) << "ProcessCmdLineImpl: PLACE 4.B";
 631   // Check for --load-and-launch-app.
 632   if (command_line.HasSwitch(apps::kLoadAndLaunchApp) &&
 633       !IncognitoModePrefs::ShouldLaunchIncognito(
 634           command_line, last_used_profile->GetPrefs())) {
 635     base::CommandLine::StringType path =
 636         command_line.GetSwitchValueNative(apps::kLoadAndLaunchApp);
 637
 638     if (!apps::AppLoadService::Get(last_used_profile)->LoadAndLaunch(
 639             base::FilePath(path), command_line, cur_dir)) {
 640       return false;
 641     }
 642
 643     // Return early here since we don't want to open a browser window.
 644     // The exception is when there are no browser windows, since we don't want
 645     // chrome to shut down.
 646     // TODO(jackhou): Do this properly once keep-alive is handled by the
 647     // background page of apps. Tracked at http://crbug.com/175381
 648     if (chrome::GetTotalBrowserCountForProfile(last_used_profile) != 0)
 649       return true;
 650   }
 651
 652 #if defined(OS_WIN)
 653   // Log whether this process was a result of an action in the Windows Jumplist.
 654   if (command_line.HasSwitch(switches::kWinJumplistAction)) {
 655     jumplist::LogJumplistActionFromSwitchValue(
 656         command_line.GetSwitchValueASCII(switches::kWinJumplistAction));
 657   }
 658 #endif
 659
 660   VLOG(2) << "ProcessCmdLineImpl: PLACE 5";
 661   chrome::startup::IsProcessStartup is_process_startup = process_startup ?
 662       chrome::startup::IS_PROCESS_STARTUP :
 663       chrome::startup::IS_NOT_PROCESS_STARTUP;
 664   chrome::startup::IsFirstRun is_first_run = first_run::IsChromeFirstRun() ?
 665       chrome::startup::IS_FIRST_RUN : chrome::startup::IS_NOT_FIRST_RUN;
 666   // |last_opened_profiles| will be empty in the following circumstances:
 667   // - This is the first launch. |last_used_profile| is the initial profile.
 668   // - The user exited the browser by closing all windows for all
 669   // profiles. |last_used_profile| is the profile which owned the last open
 670   // window.
 671   // - Only incognito windows were open when the browser exited.
 672   // |last_used_profile| is the last used incognito profile. Restoring it will
 673   // create a browser window for the corresponding original profile.
 674   if (last_opened_profiles.empty()) {
 675     VLOG(2) << "ProcessCmdLineImpl: PLACE 6.A";
 676     // If the last used profile is locked or was a guest, show the user manager.
 677     if (switches::IsNewAvatarMenu()) {
 678       ProfileInfoCache& profile_info =
 679           g_browser_process->profile_manager()->GetProfileInfoCache();
 680       size_t profile_index = profile_info.GetIndexOfProfileWithPath(
 681           last_used_profile->GetPath());
 682       bool signin_required = profile_index != std::string::npos &&
 683           profile_info.ProfileIsSigninRequiredAtIndex(profile_index);
 684
 685       // Guest, system or locked profiles cannot be re-opened on startup. The
 686       // only exception is if there's already a Guest window open in a separate
 687       // process (for example, launching a new browser after clicking on a
 688       // downloaded file in Guest mode).
 689       bool guest_or_system = last_used_profile->IsGuestSession() ||
 690                              last_used_profile->IsSystemProfile();
 691       bool has_guest_browsers = guest_or_system &&
 692           chrome::GetTotalBrowserCountForProfile(
 693               last_used_profile->GetOffTheRecordProfile()) > 0;
 694       if (signin_required || (guest_or_system && !has_guest_browsers)) {
 695         profiles::UserManagerProfileSelected action =
 696             command_line.HasSwitch(switches::kShowAppList) ?
 697                 profiles::USER_MANAGER_SELECT_PROFILE_APP_LAUNCHER :
 698                 profiles::USER_MANAGER_SELECT_PROFILE_NO_ACTION;
 699         UserManager::Show(
 700             base::FilePath(), profiles::USER_MANAGER_NO_TUTORIAL, action);
 701         return true;
 702       }
 703     }
 704
 705     VLOG(2) << "ProcessCmdLineImpl: PLACE 7.A";
 706     Profile* profile_to_open = last_used_profile->IsGuestSession() ?
 707         last_used_profile->GetOffTheRecordProfile() : last_used_profile;
 708
 709     VLOG(2) << "ProcessCmdLineImpl: PLACE 8.A";
 710     if (!browser_creator->LaunchBrowser(command_line, profile_to_open,
 711                                         cur_dir, is_process_startup,
 712                                         is_first_run)) {
 713       return false;
 714     }
 715   } else {
 716     VLOG(2) << "ProcessCmdLineImpl: PLACE 6.B";
 717     // Guest profiles should not be reopened on startup. This can happen if
 718     // the last used profile was a Guest, but other profiles were also open
 719     // when Chrome was closed. In this case, pick a different open profile
 720     // to be the active one, since the Guest profile is never added to the list
 721     // of open profiles.
 722     if (switches::IsNewAvatarMenu() && last_used_profile->IsGuestSession()) {
 723       DCHECK(!last_opened_profiles[0]->IsGuestSession());
 724       last_used_profile = last_opened_profiles[0];
 725     }
 726
 727     // Launch the last used profile with the full command line, and the other
 728     // opened profiles without the URLs to launch.
 729     base::CommandLine command_line_without_urls(command_line.GetProgram());
 730     const base::CommandLine::SwitchMap& switches = command_line.GetSwitches();
 731     for (base::CommandLine::SwitchMap::const_iterator switch_it =
 732              switches.begin();
 733          switch_it != switches.end(); ++switch_it) {
 734       command_line_without_urls.AppendSwitchNative(switch_it->first,
 735                                                    switch_it->second);
 736     }
 737     VLOG(2) << "ProcessCmdLineImpl: PLACE 7.B";
 738     // Launch the profiles in the order they became active.
 739     for (Profiles::const_iterator it = last_opened_profiles.begin();
 740          it != last_opened_profiles.end(); ++it) {
 741       DCHECK(!(*it)->IsGuestSession());
 742       // Don't launch additional profiles which would only open a new tab
 743       // page. When restarting after an update, all profiles will reopen last
 744       // open pages.
 745       SessionStartupPref startup_pref =
 746           GetSessionStartupPref(command_line, *it);
 747       if (*it != last_used_profile &&
 748           startup_pref.type == SessionStartupPref::DEFAULT &&
 749           !HasPendingUncleanExit(*it))
 750         continue;
 751
 752       if (!browser_creator->LaunchBrowser((*it == last_used_profile) ?
 753           command_line : command_line_without_urls, *it, cur_dir,
 754           is_process_startup, is_first_run))
 755         return false;
 756       // We've launched at least one browser.
 757       is_process_startup = chrome::startup::IS_NOT_PROCESS_STARTUP;
 758     }
 759     VLOG(2) << "ProcessCmdLineImpl: PLACE 8.B";
 760     // This must be done after all profiles have been launched so the observer
 761     // knows about all profiles to wait for before activating this one.
 762     profile_launch_observer.Get().set_profile_to_activate(last_used_profile);
 763   }
 764   VLOG(2) << "ProcessCmdLineImpl: END";
 765   return true;
 766 }
 767
 768 // static
 769 bool StartupBrowserCreator::ProcessLoadApps(
 770     const base::CommandLine& command_line,
 771     const base::FilePath& cur_dir,
 772     Profile* profile) {
 773   base::CommandLine::StringType path_list =
 774       command_line.GetSwitchValueNative(extensions::switches::kLoadApps);
 775
 776   base::StringTokenizerT<base::CommandLine::StringType,
 777                          base::CommandLine::StringType::const_iterator>
 778       tokenizer(path_list, FILE_PATH_LITERAL(","));
 779
 780   if (!tokenizer.GetNext())
 781     return false;
 782
 783   base::FilePath app_absolute_dir =
 784       base::MakeAbsoluteFilePath(base::FilePath(tokenizer.token()));
 785   if (!apps::AppLoadService::Get(profile)->LoadAndLaunch(
 786           app_absolute_dir, command_line, cur_dir)) {
 787     return false;
 788   }
 789
 790   while (tokenizer.GetNext()) {
 791     app_absolute_dir =
 792         base::MakeAbsoluteFilePath(base::FilePath(tokenizer.token()));
 793
 794     if (!apps::AppLoadService::Get(profile)->Load(app_absolute_dir)) {
 795       return false;
 796     }
 797   }
 798
 799   return true;
 800 }
 801
 802 // static
 803 void StartupBrowserCreator::ProcessCommandLineOnProfileCreated(
 804     const base::CommandLine& command_line,
 805     const base::FilePath& cur_dir,
 806     Profile* profile,
 807     Profile::CreateStatus status) {
 808   if (status != Profile::CREATE_STATUS_INITIALIZED)
 809     return;
 810   ProcessCmdLineImpl(command_line, cur_dir, false, profile, Profiles(), NULL);
 811 }
 812
 813 // static
 814 void StartupBrowserCreator::ProcessCommandLineAlreadyRunning(
 815     const base::CommandLine& command_line,
 816     const base::FilePath& cur_dir,
 817     const base::FilePath& profile_path) {
 818   ProfileManager* profile_manager = g_browser_process->profile_manager();
 819   Profile* profile = profile_manager->GetProfileByPath(profile_path);
 820
 821   // The profile isn't loaded yet and so needs to be loaded asynchronously.
 822   if (!profile) {
 823     profile_manager->CreateProfileAsync(profile_path,
 824         base::Bind(&StartupBrowserCreator::ProcessCommandLineOnProfileCreated,
 825                    command_line, cur_dir), base::string16(), base::string16(),
 826                    std::string());
 827     return;
 828   }
 829
 830   ProcessCmdLineImpl(command_line, cur_dir, false, profile, Profiles(), NULL);
 831 }
 832
 833 // static
 834 bool StartupBrowserCreator::ActivatedProfile() {
 835   return profile_launch_observer.Get().activated_profile();
 836 }
 837
 838 bool HasPendingUncleanExit(Profile* profile) {
 839   return profile->GetLastSessionExitType() == Profile::EXIT_CRASHED &&
 840       !profile_launch_observer.Get().HasBeenLaunched(profile);
 841 }
 842
 843 base::FilePath GetStartupProfilePath(const base::FilePath& user_data_dir,
 844                                      const base::CommandLine& command_line) {
 845   if (command_line.HasSwitch(switches::kProfileDirectory)) {
 846     return user_data_dir.Append(
 847         command_line.GetSwitchValuePath(switches::kProfileDirectory));
 848   }
 849
 850   // If we are showing the app list then chrome isn't shown so load the app
 851   // list's profile rather than chrome's.
 852   if (command_line.HasSwitch(switches::kShowAppList)) {
 853     return AppListService::Get(chrome::HOST_DESKTOP_TYPE_NATIVE)->
 854         GetProfilePath(user_data_dir);
 855   }
 856
 857   return g_browser_process->profile_manager()->GetLastUsedProfileDir(
 858       user_data_dir);
 859 }