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_registry_simple.h"
  25 #include "base/prefs/pref_service.h"
  26 #include "base/profiler/scoped_profile.h"
  27 #include "base/strings/string_number_conversions.h"
  28 #include "base/strings/string_split.h"
  29 #include "base/strings/string_tokenizer.h"
  30 #include "base/strings/utf_string_conversions.h"
  31 #include "base/threading/thread_restrictions.h"
  32 #include "base/trace_event/trace_event.h"
  33 #include "chrome/browser/app_mode/app_mode_utils.h"
  34 #include "chrome/browser/auto_launch_trial.h"
  35 #include "chrome/browser/browser_process.h"
  36 #include "chrome/browser/chrome_notification_types.h"
  37 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
  38 #include "chrome/browser/extensions/startup_helper.h"
  39 #include "chrome/browser/extensions/unpacked_installer.h"
  40 #include "chrome/browser/first_run/first_run.h"
  41 #include "chrome/browser/net/predictor.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_manager.h"
  46 #include "chrome/browser/profiles/profiles_state.h"
  47 #include "chrome/browser/search_engines/template_url_service_factory.h"
  48 #include "chrome/browser/ui/app_list/app_list_service.h"
  49 #include "chrome/browser/ui/browser.h"
  50 #include "chrome/browser/ui/browser_dialogs.h"
  51 #include "chrome/browser/ui/browser_finder.h"
  52 #include "chrome/browser/ui/browser_window.h"
  53 #include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
  54 #include "chrome/browser/ui/user_manager.h"
  55 #include "chrome/common/chrome_constants.h"
  56 #include "chrome/common/chrome_paths.h"
  57 #include "chrome/common/chrome_result_codes.h"
  58 #include "chrome/common/chrome_switches.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_formatter/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/port_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   DCHECK(profile);
 295   in_synchronous_profile_launch_ =
 296       process_startup == chrome::startup::IS_PROCESS_STARTUP;
 297
 298   // ChromeOS does a direct browser launch from UserSessionManager, so this is
 299   // the earliest place we can enable the log.
 300   if (command_line.HasSwitch(switches::kDnsLogDetails))
 301     chrome_browser_net::EnablePredictorDetailedLog(true);
 302
 303   // Continue with the incognito profile from here on if Incognito mode
 304   // is forced.
 305   if (IncognitoModePrefs::ShouldLaunchIncognito(command_line,
 306                                                 profile->GetPrefs())) {
 307     profile = profile->GetOffTheRecordProfile();
 308   } else if (command_line.HasSwitch(switches::kIncognito)) {
 309     LOG(WARNING) << "Incognito mode disabled by policy, launching a normal "
 310                  << "browser session.";
 311   }
 312
 313   // Note: This check should have been done in ProcessCmdLineImpl()
 314   // before calling this function. However chromeos/login/login_utils.cc
 315   // calls this function directly (see comments there) so it has to be checked
 316   // again.
 317   const bool silent_launch = command_line.HasSwitch(switches::kSilentLaunch);
 318
 319   if (!silent_launch) {
 320     StartupBrowserCreatorImpl lwp(cur_dir, command_line, this, is_first_run);
 321     const std::vector<GURL> urls_to_launch =
 322         GetURLsFromCommandLine(command_line, cur_dir, profile);
 323     chrome::HostDesktopType host_desktop_type =
 324         chrome::HOST_DESKTOP_TYPE_NATIVE;
 325
 326 #if defined(USE_ASH) && !defined(OS_CHROMEOS)
 327     // We want to maintain only one type of instance for now, either ASH
 328     // or desktop.
 329     // TODO(shrikant): Remove this code once we decide on running both desktop
 330     // and ASH instances side by side.
 331     if (ash::Shell::HasInstance())
 332       host_desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
 333 #endif
 334
 335     const bool launched = lwp.Launch(profile, urls_to_launch,
 336                                in_synchronous_profile_launch_,
 337                                host_desktop_type);
 338     in_synchronous_profile_launch_ = false;
 339     if (!launched) {
 340       LOG(ERROR) << "launch error";
 341       return false;
 342     }
 343   } else {
 344     in_synchronous_profile_launch_ = false;
 345   }
 346
 347   profile_launch_observer.Get().AddLaunched(profile);
 348
 349 #if defined(OS_CHROMEOS)
 350   chromeos::ProfileHelper::Get()->ProfileStartup(profile, process_startup);
 351 #endif
 352   return true;
 353 }
 354
 355 // static
 356 bool StartupBrowserCreator::WasRestarted() {
 357   // Stores the value of the preference kWasRestarted had when it was read.
 358   static bool was_restarted = false;
 359
 360   if (!was_restarted_read_) {
 361     PrefService* pref_service = g_browser_process->local_state();
 362     was_restarted = pref_service->GetBoolean(prefs::kWasRestarted);
 363     pref_service->SetBoolean(prefs::kWasRestarted, false);
 364     was_restarted_read_ = true;
 365   }
 366   return was_restarted;
 367 }
 368
 369 // static
 370 SessionStartupPref StartupBrowserCreator::GetSessionStartupPref(
 371     const base::CommandLine& command_line,
 372     Profile* profile) {
 373   DCHECK(profile);
 374   PrefService* prefs = profile->GetPrefs();
 375   SessionStartupPref pref = SessionStartupPref::GetStartupPref(prefs);
 376
 377   // IsChromeFirstRun() looks for a sentinel file to determine whether the user
 378   // is starting Chrome for the first time. On Chrome OS, the sentinel is stored
 379   // in a location shared by all users and the check is meaningless. Query the
 380   // UserManager instead to determine whether the user is new.
 381 #if defined(OS_CHROMEOS)
 382   const bool is_first_run =
 383       user_manager::UserManager::Get()->IsCurrentUserNew();
 384   // On ChromeOS restarts force the user to login again. The expectation is that
 385   // after a login the user gets clean state. For this reason we ignore
 386   // StartupBrowserCreator::WasRestarted().
 387   const bool did_restart = false;
 388 #else
 389   const bool is_first_run = first_run::IsChromeFirstRun();
 390   const bool did_restart = StartupBrowserCreator::WasRestarted();
 391 #endif
 392
 393   // The pref has an OS-dependent default value. For the first run only, this
 394   // default is overridden with SessionStartupPref::DEFAULT so that first run
 395   // behavior (sync promo, welcome page) is consistently invoked.
 396   // This applies only if the pref is still at its default and has not been
 397   // set by the user, managed prefs or policy.
 398   if (is_first_run && SessionStartupPref::TypeIsDefault(prefs))
 399     pref.type = SessionStartupPref::DEFAULT;
 400
 401   // The switches::kRestoreLastSession command line switch is used to restore
 402   // sessions after a browser self restart (e.g. after a Chrome upgrade).
 403   // However, new profiles can be created from a browser process that has this
 404   // switch so do not set the session pref to SessionStartupPref::LAST for
 405   // those as there is nothing to restore.
 406   if ((command_line.HasSwitch(switches::kRestoreLastSession) || did_restart) &&
 407       !profile->IsNewProfile()) {
 408     pref.type = SessionStartupPref::LAST;
 409   }
 410
 411   // A browser starting for a profile being unlocked should always restore.
 412   if (!profile->IsGuestSession()) {
 413     ProfileInfoCache& info_cache =
 414         g_browser_process->profile_manager()->GetProfileInfoCache();
 415     size_t index = info_cache.GetIndexOfProfileWithPath(profile->GetPath());
 416
 417     if (index != std::string::npos &&
 418         info_cache.ProfileIsSigninRequiredAtIndex(index)) {
 419       pref.type = SessionStartupPref::LAST;
 420     }
 421   }
 422
 423   if (pref.type == SessionStartupPref::LAST &&
 424       IncognitoModePrefs::ShouldLaunchIncognito(command_line, prefs)) {
 425     // We don't store session information when incognito. If the user has
 426     // chosen to restore last session and launched incognito, fallback to
 427     // default launch behavior.
 428     pref.type = SessionStartupPref::DEFAULT;
 429   }
 430
 431   return pref;
 432 }
 433
 434 // static
 435 void StartupBrowserCreator::ClearLaunchedProfilesForTesting() {
 436   profile_launch_observer.Get().Clear();
 437 }
 438
 439 // static
 440 void StartupBrowserCreator::RegisterLocalStatePrefs(
 441     PrefRegistrySimple* registry) {
 442 #if defined(OS_WIN)
 443   registry->RegisterStringPref(prefs::kLastWelcomedOSVersion, std::string());
 444   registry->RegisterBooleanPref(prefs::kWelcomePageOnOSUpgradeEnabled, true);
 445 #endif
 446 }
 447
 448 // static
 449 std::vector<GURL> StartupBrowserCreator::GetURLsFromCommandLine(
 450     const base::CommandLine& command_line,
 451     const base::FilePath& cur_dir,
 452     Profile* profile) {
 453   std::vector<GURL> urls;
 454
 455   const base::CommandLine::StringVector& params = command_line.GetArgs();
 456   for (size_t i = 0; i < params.size(); ++i) {
 457     base::FilePath param = base::FilePath(params[i]);
 458     // Handle Vista way of searching - "? <search-term>"
 459     if ((param.value().size() > 2) && (param.value()[0] == '?') &&
 460         (param.value()[1] == ' ')) {
 461       GURL url(GetDefaultSearchURLForSearchTerms(
 462           TemplateURLServiceFactory::GetForProfile(profile),
 463           param.LossyDisplayName().substr(2)));
 464       if (url.is_valid()) {
 465         urls.push_back(url);
 466         continue;
 467       }
 468     }
 469
 470     // Otherwise, fall through to treating it as a URL.
 471
 472     // This will create a file URL or a regular URL.
 473     // This call can (in rare circumstances) block the UI thread.
 474     // Allow it until this bug is fixed.
 475     //  http://code.google.com/p/chromium/issues/detail?id=60641
 476     GURL url = GURL(param.MaybeAsASCII());
 477     // http://crbug.com/371030: Only use URLFixerUpper if we don't have a valid
 478     // URL, otherwise we will look in the current directory for a file named
 479     // 'about' if the browser was started with a about:foo argument.
 480     if (!url.is_valid()) {
 481       base::ThreadRestrictions::ScopedAllowIO allow_io;
 482       url = url_formatter::FixupRelativeFile(cur_dir, param);
 483     }
 484     // Exclude dangerous schemes.
 485     if (url.is_valid()) {
 486       ChildProcessSecurityPolicy* policy =
 487           ChildProcessSecurityPolicy::GetInstance();
 488       if (policy->IsWebSafeScheme(url.scheme()) ||
 489           url.SchemeIs(url::kFileScheme) ||
 490 #if defined(OS_CHROMEOS)
 491           // In ChromeOS, allow any settings page to be specified on the command
 492           // line. See ExistingUserController::OnLoginSuccess.
 493           (url.spec().find(chrome::kChromeUISettingsURL) == 0) ||
 494 #else
 495           ((url.spec().find(std::string(chrome::kChromeUISettingsURL) +
 496                             chrome::kResetProfileSettingsSubPage) == 0)) ||
 497 #endif
 498           (url.spec().compare(url::kAboutBlankURL) == 0)) {
 499         urls.push_back(url);
 500       }
 501     }
 502   }
 503   return urls;
 504 }
 505
 506 // static
 507 bool StartupBrowserCreator::ProcessCmdLineImpl(
 508     const base::CommandLine& command_line,
 509     const base::FilePath& cur_dir,
 510     bool process_startup,
 511     Profile* last_used_profile,
 512     const Profiles& last_opened_profiles,
 513     StartupBrowserCreator* browser_creator) {
 514   TRACE_EVENT0("startup", "StartupBrowserCreator::ProcessCmdLineImpl");
 515
 516   DCHECK(last_used_profile);
 517   if (process_startup) {
 518     if (command_line.HasSwitch(switches::kDisablePromptOnRepost))
 519       content::NavigationController::DisablePromptOnRepost();
 520   }
 521
 522   bool silent_launch = false;
 523
 524 #if defined(ENABLE_PRINT_PREVIEW)
 525   // If we are just displaying a print dialog we shouldn't open browser
 526   // windows.
 527   if (command_line.HasSwitch(switches::kCloudPrintFile) &&
 528       print_dialog_cloud::CreatePrintDialogFromCommandLine(last_used_profile,
 529                                                            command_line)) {
 530     silent_launch = true;
 531   }
 532 #endif  // defined(ENABLE_PRINT_PREVIEW)
 533
 534   if (command_line.HasSwitch(switches::kExplicitlyAllowedPorts)) {
 535     std::string allowed_ports =
 536         command_line.GetSwitchValueASCII(switches::kExplicitlyAllowedPorts);
 537     net::SetExplicitlyAllowedPorts(allowed_ports);
 538   }
 539
 540   if (command_line.HasSwitch(switches::kValidateCrx)) {
 541     if (!process_startup) {
 542       LOG(ERROR) << "chrome is already running; you must close all running "
 543                  << "instances before running with the --"
 544                  << switches::kValidateCrx << " flag";
 545       return false;
 546     }
 547     extensions::StartupHelper helper;
 548     std::string message;
 549     std::string error;
 550     if (helper.ValidateCrx(command_line, &error))
 551       message = std::string("ValidateCrx Success");
 552     else
 553       message = std::string("ValidateCrx Failure: ") + error;
 554     printf("%s\n", message.c_str());
 555     return false;
 556   }
 557
 558 #if defined(OS_CHROMEOS)
 559
 560   // The browser will be launched after the user logs in.
 561   if (command_line.HasSwitch(chromeos::switches::kLoginManager))
 562     silent_launch = true;
 563
 564   if (chrome::IsRunningInAppMode() &&
 565       command_line.HasSwitch(switches::kAppId)) {
 566     chromeos::LaunchAppOrDie(
 567         last_used_profile,
 568         command_line.GetSwitchValueASCII(switches::kAppId));
 569
 570     // Skip browser launch since app mode launches its app window.
 571     silent_launch = true;
 572   }
 573
 574   // If we are a demo app session and we crashed, there is no safe recovery
 575   // possible. We should instead cleanly exit and go back to the OOBE screen,
 576   // where we will launch again after the timeout has expired.
 577   if (chromeos::DemoAppLauncher::IsDemoAppSession(
 578       command_line.GetSwitchValueASCII(chromeos::switches::kLoginUser))) {
 579     chrome::AttemptUserExit();
 580     return false;
 581   }
 582 #endif  // OS_CHROMEOS
 583
 584 #if defined(TOOLKIT_VIEWS) && defined(USE_X11)
 585   ui::TouchFactory::SetTouchDeviceListFromCommandLine();
 586 #endif
 587
 588 #if defined(OS_MACOSX)
 589   if (web_app::MaybeRebuildShortcut(command_line))
 590     return true;
 591 #endif
 592
 593   if (!process_startup &&
 594       command_line.HasSwitch(switches::kDumpBrowserHistograms)) {
 595     // Only handle --dump-browser-histograms from a rendezvous. In this case, do
 596     // not open a new browser window even if no output file was given.
 597     base::FilePath output_file(
 598         command_line.GetSwitchValuePath(switches::kDumpBrowserHistograms));
 599     if (!output_file.empty()) {
 600       BrowserThread::PostBlockingPoolTask(
 601           FROM_HERE,
 602           base::Bind(&DumpBrowserHistograms, output_file));
 603     }
 604     silent_launch = true;
 605   }
 606
 607   // If --no-startup-window is specified and Chrome is already running then do
 608   // not open a new window.
 609   if (!process_startup && command_line.HasSwitch(switches::kNoStartupWindow))
 610     silent_launch = true;
 611
 612   // If we don't want to launch a new browser window or tab we are done here.
 613   if (silent_launch)
 614     return true;
 615
 616   if (command_line.HasSwitch(extensions::switches::kLoadApps) &&
 617       !IncognitoModePrefs::ShouldLaunchIncognito(
 618           command_line, last_used_profile->GetPrefs())) {
 619     if (!ProcessLoadApps(command_line, cur_dir, last_used_profile))
 620       return false;
 621
 622     // Return early here to avoid opening a browser window.
 623     // The exception is when there are no browser windows, since we don't want
 624     // chrome to shut down.
 625     // TODO(jackhou): Do this properly once keep-alive is handled by the
 626     // background page of apps. Tracked at http://crbug.com/175381
 627     if (chrome::GetTotalBrowserCountForProfile(last_used_profile) != 0)
 628       return true;
 629   }
 630
 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   chrome::startup::IsProcessStartup is_process_startup = process_startup ?
 661       chrome::startup::IS_PROCESS_STARTUP :
 662       chrome::startup::IS_NOT_PROCESS_STARTUP;
 663   chrome::startup::IsFirstRun is_first_run = first_run::IsChromeFirstRun() ?
 664       chrome::startup::IS_FIRST_RUN : chrome::startup::IS_NOT_FIRST_RUN;
 665   // |last_opened_profiles| will be empty in the following circumstances:
 666   // - This is the first launch. |last_used_profile| is the initial profile.
 667   // - The user exited the browser by closing all windows for all
 668   // profiles. |last_used_profile| is the profile which owned the last open
 669   // window.
 670   // - Only incognito windows were open when the browser exited.
 671   // |last_used_profile| is the last used incognito profile. Restoring it will
 672   // create a browser window for the corresponding original profile.
 673   if (last_opened_profiles.empty()) {
 674     // If the last used profile is locked or was a guest, show the user manager.
 675     if (switches::IsNewAvatarMenu()) {
 676       ProfileInfoCache& profile_info =
 677           g_browser_process->profile_manager()->GetProfileInfoCache();
 678       size_t profile_index = profile_info.GetIndexOfProfileWithPath(
 679           last_used_profile->GetPath());
 680       bool signin_required = profile_index != std::string::npos &&
 681           profile_info.ProfileIsSigninRequiredAtIndex(profile_index);
 682
 683       // Guest, system or locked profiles cannot be re-opened on startup. The
 684       // only exception is if there's already a Guest window open in a separate
 685       // process (for example, launching a new browser after clicking on a
 686       // downloaded file in Guest mode).
 687       bool guest_or_system = last_used_profile->IsGuestSession() ||
 688                              last_used_profile->IsSystemProfile();
 689       bool has_guest_browsers = guest_or_system &&
 690           chrome::GetTotalBrowserCountForProfile(
 691               last_used_profile->GetOffTheRecordProfile()) > 0;
 692       if (signin_required || (guest_or_system && !has_guest_browsers)) {
 693         profiles::UserManagerProfileSelected action =
 694             command_line.HasSwitch(switches::kShowAppList) ?
 695                 profiles::USER_MANAGER_SELECT_PROFILE_APP_LAUNCHER :
 696                 profiles::USER_MANAGER_SELECT_PROFILE_NO_ACTION;
 697         UserManager::Show(
 698             base::FilePath(), profiles::USER_MANAGER_NO_TUTORIAL, action);
 699         return true;
 700       }
 701     }
 702
 703     Profile* profile_to_open = last_used_profile->IsGuestSession() ?
 704         last_used_profile->GetOffTheRecordProfile() : last_used_profile;
 705
 706     if (!browser_creator->LaunchBrowser(command_line, profile_to_open,
 707                                         cur_dir, is_process_startup,
 708                                         is_first_run)) {
 709       return false;
 710     }
 711   } else {
 712     // Guest profiles should not be reopened on startup. This can happen if
 713     // the last used profile was a Guest, but other profiles were also open
 714     // when Chrome was closed. In this case, pick a different open profile
 715     // to be the active one, since the Guest profile is never added to the list
 716     // of open profiles.
 717     if (switches::IsNewAvatarMenu() && last_used_profile->IsGuestSession()) {
 718       DCHECK(!last_opened_profiles[0]->IsGuestSession());
 719       last_used_profile = last_opened_profiles[0];
 720     }
 721
 722     // Launch the last used profile with the full command line, and the other
 723     // opened profiles without the URLs to launch.
 724     base::CommandLine command_line_without_urls(command_line.GetProgram());
 725     const base::CommandLine::SwitchMap& switches = command_line.GetSwitches();
 726     for (base::CommandLine::SwitchMap::const_iterator switch_it =
 727              switches.begin();
 728          switch_it != switches.end(); ++switch_it) {
 729       command_line_without_urls.AppendSwitchNative(switch_it->first,
 730                                                    switch_it->second);
 731     }
 732     // Launch the profiles in the order they became active.
 733     for (Profiles::const_iterator it = last_opened_profiles.begin();
 734          it != last_opened_profiles.end(); ++it) {
 735       DCHECK(!(*it)->IsGuestSession());
 736       // Don't launch additional profiles which would only open a new tab
 737       // page. When restarting after an update, all profiles will reopen last
 738       // open pages.
 739       SessionStartupPref startup_pref =
 740           GetSessionStartupPref(command_line, *it);
 741       if (*it != last_used_profile &&
 742           startup_pref.type == SessionStartupPref::DEFAULT &&
 743           !HasPendingUncleanExit(*it))
 744         continue;
 745
 746       if (!browser_creator->LaunchBrowser((*it == last_used_profile) ?
 747           command_line : command_line_without_urls, *it, cur_dir,
 748           is_process_startup, is_first_run))
 749         return false;
 750       // We've launched at least one browser.
 751       is_process_startup = chrome::startup::IS_NOT_PROCESS_STARTUP;
 752     }
 753     // This must be done after all profiles have been launched so the observer
 754     // knows about all profiles to wait for before activating this one.
 755     profile_launch_observer.Get().set_profile_to_activate(last_used_profile);
 756   }
 757   return true;
 758 }
 759
 760 // static
 761 bool StartupBrowserCreator::ProcessLoadApps(
 762     const base::CommandLine& command_line,
 763     const base::FilePath& cur_dir,
 764     Profile* profile) {
 765   base::CommandLine::StringType path_list =
 766       command_line.GetSwitchValueNative(extensions::switches::kLoadApps);
 767
 768   base::StringTokenizerT<base::CommandLine::StringType,
 769                          base::CommandLine::StringType::const_iterator>
 770       tokenizer(path_list, FILE_PATH_LITERAL(","));
 771
 772   if (!tokenizer.GetNext())
 773     return false;
 774
 775   base::FilePath app_absolute_dir =
 776       base::MakeAbsoluteFilePath(base::FilePath(tokenizer.token()));
 777   if (!apps::AppLoadService::Get(profile)->LoadAndLaunch(
 778           app_absolute_dir, command_line, cur_dir)) {
 779     return false;
 780   }
 781
 782   while (tokenizer.GetNext()) {
 783     app_absolute_dir =
 784         base::MakeAbsoluteFilePath(base::FilePath(tokenizer.token()));
 785
 786     if (!apps::AppLoadService::Get(profile)->Load(app_absolute_dir)) {
 787       return false;
 788     }
 789   }
 790
 791   return true;
 792 }
 793
 794 // static
 795 void StartupBrowserCreator::ProcessCommandLineOnProfileCreated(
 796     const base::CommandLine& command_line,
 797     const base::FilePath& cur_dir,
 798     Profile* profile,
 799     Profile::CreateStatus status) {
 800   if (status != Profile::CREATE_STATUS_INITIALIZED)
 801     return;
 802   ProcessCmdLineImpl(command_line, cur_dir, false, profile, Profiles(), NULL);
 803 }
 804
 805 // static
 806 void StartupBrowserCreator::ProcessCommandLineAlreadyRunning(
 807     const base::CommandLine& command_line,
 808     const base::FilePath& cur_dir,
 809     const base::FilePath& profile_path) {
 810   ProfileManager* profile_manager = g_browser_process->profile_manager();
 811   Profile* profile = profile_manager->GetProfileByPath(profile_path);
 812
 813   // The profile isn't loaded yet and so needs to be loaded asynchronously.
 814   if (!profile) {
 815     profile_manager->CreateProfileAsync(profile_path,
 816         base::Bind(&StartupBrowserCreator::ProcessCommandLineOnProfileCreated,
 817                    command_line, cur_dir), base::string16(), base::string16(),
 818                    std::string());
 819     return;
 820   }
 821
 822   ProcessCmdLineImpl(command_line, cur_dir, false, profile, Profiles(), NULL);
 823 }
 824
 825 // static
 826 bool StartupBrowserCreator::ActivatedProfile() {
 827   return profile_launch_observer.Get().activated_profile();
 828 }
 829
 830 bool HasPendingUncleanExit(Profile* profile) {
 831   return profile->GetLastSessionExitType() == Profile::EXIT_CRASHED &&
 832       !profile_launch_observer.Get().HasBeenLaunched(profile);
 833 }
 834
 835 base::FilePath GetStartupProfilePath(const base::FilePath& user_data_dir,
 836                                      const base::CommandLine& command_line) {
 837   if (command_line.HasSwitch(switches::kProfileDirectory)) {
 838     return user_data_dir.Append(
 839         command_line.GetSwitchValuePath(switches::kProfileDirectory));
 840   }
 841
 842   // If we are showing the app list then chrome isn't shown so load the app
 843   // list's profile rather than chrome's.
 844   if (command_line.HasSwitch(switches::kShowAppList)) {
 845     return AppListService::Get(chrome::HOST_DESKTOP_TYPE_NATIVE)->
 846         GetProfilePath(user_data_dir);
 847   }
 848
 849   return g_browser_process->profile_manager()->GetLastUsedProfileDir(
 850       user_data_dir);
 851 }