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/prefs/pref_service.h"
  22 #include "base/strings/string_number_conversions.h"
  23 #include "base/strings/string_split.h"
  24 #include "base/strings/string_util.h"
  25 #include "base/strings/stringprintf.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/sessions/session_restore.h"
  48 #include "chrome/browser/sessions/session_service.h"
  49 #include "chrome/browser/sessions/session_service_factory.h"
  50 #include "chrome/browser/shell_integration.h"
  51 #include "chrome/browser/signin/signin_promo.h"
  52 #include "chrome/browser/ui/app_list/app_list_service.h"
  53 #include "chrome/browser/ui/browser_commands.h"
  54 #include "chrome/browser/ui/browser_finder.h"
  55 #include "chrome/browser/ui/browser_list.h"
  56 #include "chrome/browser/ui/browser_navigator.h"
  57 #include "chrome/browser/ui/browser_tabrestore.h"
  58 #include "chrome/browser/ui/browser_tabstrip.h"
  59 #include "chrome/browser/ui/browser_window.h"
  60 #include "chrome/browser/ui/extensions/app_launch_params.h"
  61 #include "chrome/browser/ui/extensions/application_launch.h"
  62 #include "chrome/browser/ui/host_desktop.h"
  63 #include "chrome/browser/ui/startup/autolaunch_prompt.h"
  64 #include "chrome/browser/ui/startup/bad_flags_prompt.h"
  65 #include "chrome/browser/ui/startup/default_browser_prompt.h"
  66 #include "chrome/browser/ui/startup/google_api_keys_infobar_delegate.h"
  67 #include "chrome/browser/ui/startup/obsolete_system_infobar_delegate.h"
  68 #include "chrome/browser/ui/startup/session_crashed_infobar_delegate.h"
  69 #include "chrome/browser/ui/startup/startup_browser_creator.h"
  70 #include "chrome/browser/ui/tabs/pinned_tab_codec.h"
  71 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  72 #include "chrome/common/chrome_constants.h"
  73 #include "chrome/common/chrome_paths.h"
  74 #include "chrome/common/chrome_result_codes.h"
  75 #include "chrome/common/chrome_switches.h"
  76 #include "chrome/common/chrome_version_info.h"
  77 #include "chrome/common/extensions/extension_constants.h"
  78 #include "chrome/common/extensions/extension_metrics.h"
  79 #include "chrome/common/pref_names.h"
  80 #include "chrome/common/url_constants.h"
  81 #include "chrome/grit/locale_settings.h"
  82 #include "chrome/installer/util/browser_distribution.h"
  83 #include "components/google/core/browser/google_util.h"
  84 #include "content/public/browser/child_process_security_policy.h"
  85 #include "content/public/browser/dom_storage_context.h"
  86 #include "content/public/browser/notification_observer.h"
  87 #include "content/public/browser/notification_registrar.h"
  88 #include "content/public/browser/storage_partition.h"
  89 #include "content/public/browser/web_contents.h"
  90 #include "extensions/browser/extension_prefs.h"
  91 #include "extensions/browser/extension_registry.h"
  92 #include "extensions/common/constants.h"
  93 #include "extensions/common/extension.h"
  94 #include "extensions/common/extension_set.h"
  95 #include "net/base/network_change_notifier.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 #if defined(ENABLE_RLZ)
 109 #include "components/rlz/rlz_tracker.h"
 110 #endif
 111
 112 using content::ChildProcessSecurityPolicy;
 113 using content::WebContents;
 114 using extensions::Extension;
 115
 116 namespace {
 117
 118 // Utility functions ----------------------------------------------------------
 119
 120 enum LaunchMode {
 121   LM_TO_BE_DECIDED = 0,       // Possibly direct launch or via a shortcut.
 122   LM_AS_WEBAPP,               // Launched as a installed web application.
 123   LM_WITH_URLS,               // Launched with urls in the cmd line.
 124   LM_SHORTCUT_NONE,           // Not launched from a shortcut.
 125   LM_SHORTCUT_NONAME,         // Launched from shortcut but no name available.
 126   LM_SHORTCUT_UNKNOWN,        // Launched from user-defined shortcut.
 127   LM_SHORTCUT_QUICKLAUNCH,    // Launched from the quick launch bar.
 128   LM_SHORTCUT_DESKTOP,        // Launched from a desktop shortcut.
 129   LM_SHORTCUT_TASKBAR,        // Launched from the taskbar.
 130   LM_LINUX_MAC_BEOS           // Other OS buckets start here.
 131 };
 132
 133 #if defined(OS_WIN)
 134 // Undocumented flag in the startup info structure tells us what shortcut was
 135 // used to launch the browser. See http://www.catch22.net/tuts/undoc01 for
 136 // more information. Confirmed to work on XP, Vista and Win7.
 137 LaunchMode GetLaunchShortcutKind() {
 138   STARTUPINFOW si = { sizeof(si) };
 139   GetStartupInfoW(&si);
 140   if (si.dwFlags & 0x800) {
 141     if (!si.lpTitle)
 142       return LM_SHORTCUT_NONAME;
 143     base::string16 shortcut(si.lpTitle);
 144     // The windows quick launch path is not localized.
 145     if (shortcut.find(L"\\Quick Launch\\") != base::string16::npos) {
 146       if (base::win::GetVersion() >= base::win::VERSION_WIN7)
 147         return LM_SHORTCUT_TASKBAR;
 148       else
 149         return LM_SHORTCUT_QUICKLAUNCH;
 150     }
 151     scoped_ptr<base::Environment> env(base::Environment::Create());
 152     std::string appdata_path;
 153     env->GetVar("USERPROFILE", &appdata_path);
 154     if (!appdata_path.empty() &&
 155         shortcut.find(base::ASCIIToUTF16(appdata_path)) != base::string16::npos)
 156       return LM_SHORTCUT_DESKTOP;
 157     return LM_SHORTCUT_UNKNOWN;
 158   }
 159   return LM_SHORTCUT_NONE;
 160 }
 161 #else
 162 // TODO(cpu): Port to other platforms.
 163 LaunchMode GetLaunchShortcutKind() {
 164   return LM_LINUX_MAC_BEOS;
 165 }
 166 #endif
 167
 168 // Log in a histogram the frequency of launching by the different methods. See
 169 // LaunchMode enum for the actual values of the buckets.
 170 void RecordLaunchModeHistogram(LaunchMode mode) {
 171   int bucket = (mode == LM_TO_BE_DECIDED) ? GetLaunchShortcutKind() : mode;
 172   UMA_HISTOGRAM_COUNTS_100("Launch.Modes", bucket);
 173 }
 174
 175 void UrlsToTabs(const std::vector<GURL>& urls, StartupTabs* tabs) {
 176   for (size_t i = 0; i < urls.size(); ++i) {
 177     StartupTab tab;
 178     tab.is_pinned = false;
 179     tab.url = urls[i];
 180     tabs->push_back(tab);
 181   }
 182 }
 183
 184 // Return true if the command line option --app-id is used.  Set
 185 // |out_extension| to the app to open, and |out_launch_container|
 186 // to the type of window into which the app should be open.
 187 bool GetAppLaunchContainer(
 188     Profile* profile,
 189     const std::string& app_id,
 190     const Extension** out_extension,
 191     extensions::LaunchContainer* out_launch_container) {
 192
 193   const Extension* extension = extensions::ExtensionRegistry::Get(
 194       profile)->enabled_extensions().GetByID(app_id);
 195   // The extension with id |app_id| may have been uninstalled.
 196   if (!extension)
 197     return false;
 198
 199   // Don't launch platform apps in incognito mode.
 200   if (profile->IsOffTheRecord() && extension->is_platform_app())
 201     return false;
 202
 203   // Look at preferences to find the right launch container. If no
 204   // preference is set, launch as a window.
 205   extensions::LaunchContainer launch_container = extensions::GetLaunchContainer(
 206       extensions::ExtensionPrefs::Get(profile), extension);
 207
 208   if (!extensions::util::IsNewBookmarkAppsEnabled() &&
 209       !extensions::HasPreferredLaunchContainer(
 210           extensions::ExtensionPrefs::Get(profile), extension)) {
 211     launch_container = extensions::LAUNCH_CONTAINER_WINDOW;
 212   }
 213
 214   *out_extension = extension;
 215   *out_launch_container = launch_container;
 216   return true;
 217 }
 218
 219 void RecordCmdLineAppHistogram(extensions::Manifest::Type app_type) {
 220   extensions::RecordAppLaunchType(extension_misc::APP_LAUNCH_CMD_LINE_APP,
 221                                   app_type);
 222 }
 223
 224 void RecordAppLaunches(Profile* profile,
 225                        const std::vector<GURL>& cmd_line_urls,
 226                        const StartupTabs& autolaunch_tabs) {
 227   const extensions::ExtensionSet& extensions =
 228       extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
 229   for (size_t i = 0; i < cmd_line_urls.size(); ++i) {
 230     const extensions::Extension* extension =
 231         extensions.GetAppByURL(cmd_line_urls.at(i));
 232     if (extension) {
 233       extensions::RecordAppLaunchType(extension_misc::APP_LAUNCH_CMD_LINE_URL,
 234                                       extension->GetType());
 235     }
 236   }
 237   for (size_t i = 0; i < autolaunch_tabs.size(); ++i) {
 238     const extensions::Extension* extension =
 239         extensions.GetAppByURL(autolaunch_tabs.at(i).url);
 240     if (extension) {
 241       extensions::RecordAppLaunchType(extension_misc::APP_LAUNCH_AUTOLAUNCH,
 242                                       extension->GetType());
 243     }
 244   }
 245 }
 246
 247 class WebContentsCloseObserver : public content::NotificationObserver {
 248  public:
 249   WebContentsCloseObserver() : contents_(NULL) {}
 250   ~WebContentsCloseObserver() override {}
 251
 252   void SetContents(content::WebContents* contents) {
 253     DCHECK(!contents_);
 254     contents_ = contents;
 255
 256     registrar_.Add(this,
 257                    content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
 258                    content::Source<content::WebContents>(contents_));
 259   }
 260
 261   content::WebContents* contents() { return contents_; }
 262
 263  private:
 264   // content::NotificationObserver overrides:
 265   void Observe(int type,
 266                const content::NotificationSource& source,
 267                const content::NotificationDetails& details) override {
 268     DCHECK_EQ(type, content::NOTIFICATION_WEB_CONTENTS_DESTROYED);
 269     contents_ = NULL;
 270   }
 271
 272   content::WebContents* contents_;
 273   content::NotificationRegistrar registrar_;
 274
 275   DISALLOW_COPY_AND_ASSIGN(WebContentsCloseObserver);
 276 };
 277
 278 // TODO(koz): Consolidate this function and remove the special casing.
 279 const Extension* GetPlatformApp(Profile* profile,
 280                                 const std::string& extension_id) {
 281   const Extension* extension =
 282       extensions::ExtensionRegistry::Get(profile)->GetExtensionById(
 283           extension_id, extensions::ExtensionRegistry::EVERYTHING);
 284   return extension && extension->is_platform_app() ? extension : NULL;
 285 }
 286
 287 }  // namespace
 288
 289 namespace internals {
 290
 291 GURL GetWelcomePageURL() {
 292   std::string welcome_url = l10n_util::GetStringUTF8(IDS_WELCOME_PAGE_URL);
 293   return GURL(welcome_url);
 294 }
 295
 296 }  // namespace internals
 297
 298 StartupBrowserCreatorImpl::StartupBrowserCreatorImpl(
 299     const base::FilePath& cur_dir,
 300     const base::CommandLine& command_line,
 301     chrome::startup::IsFirstRun is_first_run)
 302     : cur_dir_(cur_dir),
 303       command_line_(command_line),
 304       profile_(NULL),
 305       browser_creator_(NULL),
 306       is_first_run_(is_first_run == chrome::startup::IS_FIRST_RUN),
 307       welcome_run_type_(WelcomeRunType::NONE) {
 308 }
 309
 310 StartupBrowserCreatorImpl::StartupBrowserCreatorImpl(
 311     const base::FilePath& cur_dir,
 312     const base::CommandLine& command_line,
 313     StartupBrowserCreator* browser_creator,
 314     chrome::startup::IsFirstRun is_first_run)
 315     : cur_dir_(cur_dir),
 316       command_line_(command_line),
 317       profile_(NULL),
 318       browser_creator_(browser_creator),
 319       is_first_run_(is_first_run == chrome::startup::IS_FIRST_RUN),
 320       welcome_run_type_(WelcomeRunType::NONE) {
 321 }
 322
 323 StartupBrowserCreatorImpl::~StartupBrowserCreatorImpl() {
 324 }
 325
 326 bool StartupBrowserCreatorImpl::Launch(Profile* profile,
 327                                        const std::vector<GURL>& urls_to_open,
 328                                        bool process_startup,
 329                                        chrome::HostDesktopType desktop_type) {
 330   DCHECK(profile);
 331   profile_ = profile;
 332
 333   if (command_line_.HasSwitch(switches::kDnsLogDetails))
 334     chrome_browser_net::EnablePredictorDetailedLog(true);
 335
 336   if (AppListService::HandleLaunchCommandLine(command_line_, profile))
 337     return true;
 338
 339   if (command_line_.HasSwitch(switches::kAppId)) {
 340     std::string app_id = command_line_.GetSwitchValueASCII(switches::kAppId);
 341     const Extension* extension = GetPlatformApp(profile, app_id);
 342     // If |app_id| is a disabled or terminated platform app we handle it
 343     // specially here, otherwise it will be handled below.
 344     if (extension) {
 345       RecordCmdLineAppHistogram(extensions::Manifest::TYPE_PLATFORM_APP);
 346       AppLaunchParams params(profile, extension,
 347                              extensions::LAUNCH_CONTAINER_NONE, NEW_WINDOW,
 348                              extensions::SOURCE_COMMAND_LINE);
 349       params.command_line = command_line_;
 350       params.current_directory = cur_dir_;
 351       // If we are being launched from the command line, default to native
 352       // desktop.
 353       params.desktop_type = chrome::HOST_DESKTOP_TYPE_NATIVE;
 354       OpenApplicationWithReenablePrompt(params);
 355       return true;
 356     }
 357   }
 358
 359   // Open the required browser windows and tabs. First, see if
 360   // we're being run as an application window. If so, the user
 361   // opened an app shortcut.  Don't restore tabs or open initial
 362   // URLs in that case. The user should see the window as an app,
 363   // not as chrome.
 364   // Special case is when app switches are passed but we do want to restore
 365   // session. In that case open app window + focus it after session is restored.
 366   content::WebContents* app_contents = NULL;
 367   if (OpenApplicationWindow(profile, &app_contents)) {
 368     RecordLaunchModeHistogram(LM_AS_WEBAPP);
 369   } else {
 370     RecordLaunchModeHistogram(urls_to_open.empty() ?
 371                               LM_TO_BE_DECIDED : LM_WITH_URLS);
 372
 373     ProcessLaunchURLs(process_startup, urls_to_open, desktop_type);
 374
 375     if (command_line_.HasSwitch(switches::kInstallChromeApp)) {
 376       install_chrome_app::InstallChromeApp(
 377           command_line_.GetSwitchValueASCII(switches::kInstallChromeApp));
 378     }
 379
 380     // If this is an app launch, but we didn't open an app window, it may
 381     // be an app tab.
 382     OpenApplicationTab(profile);
 383
 384 #if defined(OS_MACOSX)
 385     if (process_startup) {
 386       // Check whether the auto-update system needs to be promoted from user
 387       // to system.
 388       KeystoneInfoBar::PromotionInfoBar(profile);
 389     }
 390 #endif
 391   }
 392
 393   // In kiosk mode, we want to always be fullscreen, so switch to that now.
 394   if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode) ||
 395       base::CommandLine::ForCurrentProcess()->HasSwitch(
 396           switches::kStartFullscreen)) {
 397     // It's possible for there to be no browser window, e.g. if someone
 398     // specified a non-sensical combination of options
 399     // ("--kiosk --no_startup_window"); do nothing in that case.
 400     Browser* browser = BrowserList::GetInstance(desktop_type)->GetLastActive();
 401     if (browser)
 402       chrome::ToggleFullscreenMode(browser);
 403   }
 404
 405 #if defined(OS_WIN)
 406   if (process_startup)
 407     ShellIntegration::MigrateChromiumShortcuts();
 408 #endif  // defined(OS_WIN)
 409
 410   return true;
 411 }
 412
 413 bool StartupBrowserCreatorImpl::IsAppLaunch(std::string* app_url,
 414                                             std::string* app_id) {
 415   if (command_line_.HasSwitch(switches::kApp)) {
 416     if (app_url)
 417       *app_url = command_line_.GetSwitchValueASCII(switches::kApp);
 418     return true;
 419   }
 420   if (command_line_.HasSwitch(switches::kAppId)) {
 421     if (app_id)
 422       *app_id = command_line_.GetSwitchValueASCII(switches::kAppId);
 423     return true;
 424   }
 425   return false;
 426 }
 427
 428 bool StartupBrowserCreatorImpl::OpenApplicationTab(Profile* profile) {
 429   std::string app_id;
 430   // App shortcuts to URLs always open in an app window.  Because this
 431   // function will open an app that should be in a tab, there is no need
 432   // to look at the app URL.  OpenApplicationWindow() will open app url
 433   // shortcuts.
 434   if (!IsAppLaunch(NULL, &app_id) || app_id.empty())
 435     return false;
 436
 437   extensions::LaunchContainer launch_container;
 438   const Extension* extension;
 439   if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
 440     return false;
 441
 442   // If the user doesn't want to open a tab, fail.
 443   if (launch_container != extensions::LAUNCH_CONTAINER_TAB)
 444     return false;
 445
 446   RecordCmdLineAppHistogram(extension->GetType());
 447
 448   WebContents* app_tab = OpenApplication(
 449       AppLaunchParams(profile, extension, extensions::LAUNCH_CONTAINER_TAB,
 450                       NEW_FOREGROUND_TAB, extensions::SOURCE_COMMAND_LINE));
 451   return (app_tab != NULL);
 452 }
 453
 454 bool StartupBrowserCreatorImpl::OpenApplicationWindow(
 455     Profile* profile,
 456     content::WebContents** out_app_contents) {
 457   // Set |out_app_contents| to NULL early on (just in case).
 458   if (out_app_contents)
 459     *out_app_contents = NULL;
 460
 461   std::string url_string, app_id;
 462   if (!IsAppLaunch(&url_string, &app_id))
 463     return false;
 464
 465   // This can fail if the app_id is invalid.  It can also fail if the
 466   // extension is external, and has not yet been installed.
 467   // TODO(skerner): Do something reasonable here. Pop up a warning panel?
 468   // Open an URL to the gallery page of the extension id?
 469   if (!app_id.empty()) {
 470     extensions::LaunchContainer launch_container;
 471     const Extension* extension;
 472     if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
 473       return false;
 474
 475     // TODO(skerner): Could pass in |extension| and |launch_container|,
 476     // and avoid calling GetAppLaunchContainer() both here and in
 477     // OpenApplicationTab().
 478
 479     if (launch_container == extensions::LAUNCH_CONTAINER_TAB)
 480       return false;
 481
 482     RecordCmdLineAppHistogram(extension->GetType());
 483
 484     AppLaunchParams params(profile, extension, launch_container, NEW_WINDOW,
 485                            extensions::SOURCE_COMMAND_LINE);
 486     params.command_line = command_line_;
 487     params.current_directory = cur_dir_;
 488     WebContents* tab_in_app_window = OpenApplication(params);
 489
 490     if (out_app_contents)
 491       *out_app_contents = tab_in_app_window;
 492
 493     // Platform apps fire off a launch event which may or may not open a window.
 494     return (tab_in_app_window != NULL || CanLaunchViaEvent(extension));
 495   }
 496
 497   if (url_string.empty())
 498     return false;
 499
 500 #if defined(OS_WIN)  // Fix up Windows shortcuts.
 501   base::ReplaceSubstringsAfterOffset(&url_string, 0, "\\x", "%");
 502 #endif
 503   GURL url(url_string);
 504
 505   // Restrict allowed URLs for --app switch.
 506   if (!url.is_empty() && url.is_valid()) {
 507     ChildProcessSecurityPolicy* policy =
 508         ChildProcessSecurityPolicy::GetInstance();
 509     if (policy->IsWebSafeScheme(url.scheme()) ||
 510         url.SchemeIs(url::kFileScheme)) {
 511       const extensions::Extension* extension =
 512           extensions::ExtensionRegistry::Get(profile)
 513               ->enabled_extensions().GetAppByURL(url);
 514       if (extension) {
 515         RecordCmdLineAppHistogram(extension->GetType());
 516       } else {
 517         extensions::RecordAppLaunchType(
 518             extension_misc::APP_LAUNCH_CMD_LINE_APP_LEGACY,
 519             extensions::Manifest::TYPE_HOSTED_APP);
 520       }
 521
 522       WebContents* app_tab = OpenAppShortcutWindow(profile, url);
 523
 524       if (out_app_contents)
 525         *out_app_contents = app_tab;
 526
 527       return (app_tab != NULL);
 528     }
 529   }
 530   return false;
 531 }
 532
 533 void StartupBrowserCreatorImpl::ProcessLaunchURLs(
 534     bool process_startup,
 535     const std::vector<GURL>& urls_to_open,
 536     chrome::HostDesktopType desktop_type) {
 537   // If we're starting up in "background mode" (no open browser window) then
 538   // don't open any browser windows, unless kAutoLaunchAtStartup is also
 539   // specified.
 540   if (process_startup &&
 541       command_line_.HasSwitch(switches::kNoStartupWindow) &&
 542       !command_line_.HasSwitch(switches::kAutoLaunchAtStartup)) {
 543     return;
 544   }
 545
 546   // Determine whether or not this launch must include the welcome page.
 547   InitializeWelcomeRunType(urls_to_open);
 548
 549 // TODO(tapted): Move this to startup_browser_creator_win.cc after refactor.
 550 #if defined(OS_WIN)
 551   if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
 552     // See if there are apps for this profile that should be launched on startup
 553     // due to a switch from Metro mode.
 554     app_metro_launch::HandleAppLaunchForMetroRestart(profile_);
 555   }
 556 #endif
 557
 558   if (process_startup && ProcessStartupURLs(urls_to_open, desktop_type)) {
 559     // ProcessStartupURLs processed the urls, nothing else to do.
 560     return;
 561   }
 562
 563   chrome::startup::IsProcessStartup is_process_startup = process_startup ?
 564       chrome::startup::IS_PROCESS_STARTUP :
 565       chrome::startup::IS_NOT_PROCESS_STARTUP;
 566   if (!process_startup) {
 567     // Even if we're not starting a new process, this may conceptually be
 568     // "startup" for the user and so should be handled in a similar way.  Eg.,
 569     // Chrome may have been running in the background due to an app with a
 570     // background page being installed, or running with only an app window
 571     // displayed.
 572     SessionService* service =
 573         SessionServiceFactory::GetForProfileForSessionRestore(profile_);
 574     if (service && service->ShouldNewWindowStartSession()) {
 575       // Restore the last session if any, optionally including the welcome page
 576       // if desired.
 577       if (!HasPendingUncleanExit(profile_)) {
 578         std::vector<GURL> adjusted_urls(urls_to_open);
 579         if (welcome_run_type_ == WelcomeRunType::FIRST_TAB) {
 580           adjusted_urls.insert(adjusted_urls.begin(),
 581                                internals::GetWelcomePageURL());
 582         }
 583         if (service->RestoreIfNecessary(adjusted_urls))
 584           return;
 585       }
 586
 587       // Open user-specified URLs like pinned tabs and startup tabs.
 588       Browser* browser = ProcessSpecifiedURLs(urls_to_open, desktop_type);
 589       if (browser) {
 590         AddInfoBarsIfNecessary(browser, is_process_startup);
 591         return;
 592       }
 593     }
 594   }
 595
 596   // Session startup didn't occur, open the urls.
 597   Browser* browser = NULL;
 598   std::vector<GURL> adjusted_urls = urls_to_open;
 599   if (adjusted_urls.empty()) {
 600     AddStartupURLs(&adjusted_urls);
 601   } else if (!command_line_.HasSwitch(switches::kOpenInNewWindow)) {
 602     // Always open a list of urls in a window on the native desktop.
 603     browser = chrome::FindTabbedBrowser(profile_, false,
 604                                         chrome::HOST_DESKTOP_TYPE_NATIVE);
 605   }
 606   // This will launch a browser; prevent session restore.
 607   StartupBrowserCreator::in_synchronous_profile_launch_ = true;
 608   browser =
 609       OpenURLsInBrowser(browser, process_startup, adjusted_urls, desktop_type);
 610   StartupBrowserCreator::in_synchronous_profile_launch_ = false;
 611   AddInfoBarsIfNecessary(browser, is_process_startup);
 612 }
 613
 614 bool StartupBrowserCreatorImpl::ProcessStartupURLs(
 615     const std::vector<GURL>& urls_to_open,
 616     chrome::HostDesktopType desktop_type) {
 617   VLOG(1) << "StartupBrowserCreatorImpl::ProcessStartupURLs";
 618   SessionStartupPref pref =
 619       StartupBrowserCreator::GetSessionStartupPref(command_line_, profile_);
 620   if (pref.type == SessionStartupPref::LAST)
 621     VLOG(1) << "Pref: last";
 622   else if (pref.type == SessionStartupPref::URLS)
 623     VLOG(1) << "Pref: urls";
 624   else if (pref.type == SessionStartupPref::DEFAULT)
 625     VLOG(1) << "Pref: default";
 626
 627   apps::AppRestoreService* restore_service =
 628       apps::AppRestoreServiceFactory::GetForProfile(profile_);
 629   // NULL in incognito mode.
 630   if (restore_service) {
 631     restore_service->HandleStartup(apps::AppRestoreService::ShouldRestoreApps(
 632         StartupBrowserCreator::WasRestarted()));
 633   }
 634
 635   if (pref.type == SessionStartupPref::LAST) {
 636     if (profile_->GetLastSessionExitType() == Profile::EXIT_CRASHED &&
 637         !command_line_.HasSwitch(switches::kRestoreLastSession)) {
 638       // The last session crashed. It's possible automatically loading the
 639       // page will trigger another crash, locking the user out of chrome.
 640       // To avoid this, don't restore on startup but instead show the crashed
 641       // infobar.
 642       VLOG(1) << "Unclean exit; not processing";
 643       return false;
 644     }
 645
 646     uint32 restore_behavior = SessionRestore::SYNCHRONOUS;
 647     if (browser_defaults::kAlwaysCreateTabbedBrowserOnSessionRestore ||
 648         base::CommandLine::ForCurrentProcess()->HasSwitch(
 649             switches::kCreateBrowserOnStartupForTests)) {
 650       restore_behavior |= SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
 651     }
 652
 653 #if defined(OS_MACOSX)
 654     // On Mac, when restoring a session with no windows, suppress the creation
 655     // of a new window in the case where the system is launching Chrome via a
 656     // login item or Lion's resume feature.
 657     if (base::mac::WasLaunchedAsLoginOrResumeItem()) {
 658       restore_behavior = restore_behavior &
 659                          ~SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
 660     }
 661 #endif
 662
 663     // Optionally include the welcome page.
 664     std::vector<GURL> adjusted_urls(urls_to_open);
 665     if (welcome_run_type_ == WelcomeRunType::FIRST_TAB) {
 666       adjusted_urls.insert(adjusted_urls.begin(),
 667                            internals::GetWelcomePageURL());
 668     }
 669
 670     // The startup code only executes for browsers launched in desktop mode.
 671     // i.e. HOST_DESKTOP_TYPE_NATIVE. Ash should never get here.
 672     Browser* browser = SessionRestore::RestoreSession(
 673         profile_, NULL, desktop_type, restore_behavior, adjusted_urls);
 674
 675     AddInfoBarsIfNecessary(browser, chrome::startup::IS_PROCESS_STARTUP);
 676     return true;
 677   }
 678
 679   Browser* browser = ProcessSpecifiedURLs(urls_to_open, desktop_type);
 680   if (!browser)
 681     return false;
 682
 683   AddInfoBarsIfNecessary(browser, chrome::startup::IS_PROCESS_STARTUP);
 684
 685   // Session restore may occur if the startup preference is "last" or if the
 686   // crash infobar is displayed. Otherwise, it's safe for the DOM storage system
 687   // to start deleting leftover data.
 688   if (pref.type != SessionStartupPref::LAST &&
 689       !HasPendingUncleanExit(profile_)) {
 690     content::BrowserContext::GetDefaultStoragePartition(profile_)->
 691         GetDOMStorageContext()->StartScavengingUnusedSessionStorage();
 692   }
 693
 694   return true;
 695 }
 696
 697 Browser* StartupBrowserCreatorImpl::ProcessSpecifiedURLs(
 698     const std::vector<GURL>& urls_to_open,
 699     chrome::HostDesktopType desktop_type) {
 700   SessionStartupPref pref =
 701       StartupBrowserCreator::GetSessionStartupPref(command_line_, profile_);
 702   StartupTabs tabs;
 703   // Pinned tabs should not be displayed when chrome is launched in incognito
 704   // mode. Also, no pages should be opened automatically if the session
 705   // crashed. Otherwise it might trigger another crash, locking the user out of
 706   // chrome. The crash infobar is shown in this case.
 707   if (!IncognitoModePrefs::ShouldLaunchIncognito(command_line_,
 708                                                  profile_->GetPrefs()) &&
 709       !HasPendingUncleanExit(profile_)) {
 710     tabs = PinnedTabCodec::ReadPinnedTabs(profile_);
 711   }
 712
 713   RecordAppLaunches(profile_, urls_to_open, tabs);
 714
 715   if (!urls_to_open.empty()) {
 716     // If urls were specified on the command line, use them.
 717     UrlsToTabs(urls_to_open, &tabs);
 718   } else if (pref.type == SessionStartupPref::DEFAULT ||
 719              (is_first_run_ &&
 720               browser_creator_ && !browser_creator_->first_run_tabs_.empty())) {
 721     std::vector<GURL> urls;
 722     AddStartupURLs(&urls);
 723     UrlsToTabs(urls, &tabs);
 724   } else if (pref.type == SessionStartupPref::URLS && !pref.urls.empty() &&
 725              !HasPendingUncleanExit(profile_)) {
 726     // Optionally include the welcome page first.
 727     if (welcome_run_type_ == WelcomeRunType::FIRST_TAB)
 728       UrlsToTabs(std::vector<GURL>(1, internals::GetWelcomePageURL()), &tabs);
 729     // Only use the set of urls specified in preferences if nothing was
 730     // specified on the command line. Filter out any urls that are to be
 731     // restored by virtue of having been previously pinned.
 732     AddUniqueURLs(pref.urls, &tabs);
 733   } else if (pref.type == SessionStartupPref::HOMEPAGE) {
 734     // If 'homepage' selected, either by the user or by a policy, we should
 735     // have migrated them to another value.
 736     NOTREACHED() << "SessionStartupPref has deprecated type HOMEPAGE";
 737   }
 738
 739   if (tabs.empty())
 740     return NULL;
 741
 742   Browser* browser = OpenTabsInBrowser(NULL, true, tabs, desktop_type);
 743   return browser;
 744 }
 745
 746 void StartupBrowserCreatorImpl::AddUniqueURLs(const std::vector<GURL>& urls,
 747                                               StartupTabs* tabs) {
 748   size_t num_existing_tabs = tabs->size();
 749   for (size_t i = 0; i < urls.size(); ++i) {
 750     bool in_tabs = false;
 751     for (size_t j = 0; j < num_existing_tabs; ++j) {
 752       if (urls[i] == (*tabs)[j].url) {
 753         in_tabs = true;
 754         break;
 755       }
 756     }
 757     if (!in_tabs) {
 758       StartupTab tab;
 759       tab.is_pinned = false;
 760       tab.url = urls[i];
 761       tabs->push_back(tab);
 762     }
 763   }
 764 }
 765
 766 Browser* StartupBrowserCreatorImpl::OpenURLsInBrowser(
 767     Browser* browser,
 768     bool process_startup,
 769     const std::vector<GURL>& urls,
 770     chrome::HostDesktopType desktop_type) {
 771   StartupTabs tabs;
 772   UrlsToTabs(urls, &tabs);
 773   return OpenTabsInBrowser(browser, process_startup, tabs, desktop_type);
 774 }
 775
 776 Browser* StartupBrowserCreatorImpl::OpenTabsInBrowser(
 777     Browser* browser,
 778     bool process_startup,
 779     const StartupTabs& tabs,
 780     chrome::HostDesktopType desktop_type) {
 781   DCHECK(!tabs.empty());
 782
 783   // If we don't yet have a profile, try to use the one we're given from
 784   // |browser|. While we may not end up actually using |browser| (since it
 785   // could be a popup window), we can at least use the profile.
 786   if (!profile_ && browser)
 787     profile_ = browser->profile();
 788
 789   if (!browser || !browser->is_type_tabbed())
 790     browser = new Browser(Browser::CreateParams(profile_, desktop_type));
 791
 792   bool first_tab = true;
 793   ProtocolHandlerRegistry* registry = profile_ ?
 794       ProtocolHandlerRegistryFactory::GetForBrowserContext(profile_) : NULL;
 795   for (size_t i = 0; i < tabs.size(); ++i) {
 796     // We skip URLs that we'd have to launch an external protocol handler for.
 797     // This avoids us getting into an infinite loop asking ourselves to open
 798     // a URL, should the handler be (incorrectly) configured to be us. Anyone
 799     // asking us to open such a URL should really ask the handler directly.
 800     bool handled_by_chrome = ProfileIOData::IsHandledURL(tabs[i].url) ||
 801         (registry && registry->IsHandledProtocol(tabs[i].url.scheme()));
 802     if (!process_startup && !handled_by_chrome)
 803       continue;
 804
 805     int add_types = first_tab ? TabStripModel::ADD_ACTIVE :
 806                                 TabStripModel::ADD_NONE;
 807     add_types |= TabStripModel::ADD_FORCE_INDEX;
 808     if (tabs[i].is_pinned)
 809       add_types |= TabStripModel::ADD_PINNED;
 810
 811     chrome::NavigateParams params(browser, tabs[i].url,
 812                                   ui::PAGE_TRANSITION_AUTO_TOPLEVEL);
 813     params.disposition = first_tab ? NEW_FOREGROUND_TAB : NEW_BACKGROUND_TAB;
 814     params.tabstrip_add_types = add_types;
 815
 816 #if defined(ENABLE_RLZ) && !defined(OS_IOS)
 817     if (process_startup && google_util::IsGoogleHomePageUrl(tabs[i].url)) {
 818       params.extra_headers = rlz::RLZTracker::GetAccessPointHttpHeader(
 819           rlz::RLZTracker::ChromeHomePage());
 820     }
 821 #endif  // defined(ENABLE_RLZ) && !defined(OS_IOS)
 822
 823     chrome::Navigate(&params);
 824
 825     first_tab = false;
 826   }
 827   if (!browser->tab_strip_model()->GetActiveWebContents()) {
 828     // TODO: this is a work around for 110909. Figure out why it's needed.
 829     if (!browser->tab_strip_model()->count())
 830       chrome::AddTabAt(browser, GURL(), -1, true);
 831     else
 832       browser->tab_strip_model()->ActivateTabAt(0, false);
 833   }
 834
 835   // The default behavior is to show the window, as expressed by the default
 836   // value of StartupBrowserCreated::show_main_browser_window_. If this was set
 837   // to true ahead of this place, it means another task must have been spawned
 838   // to take care of that.
 839   if (!browser_creator_ || browser_creator_->show_main_browser_window())
 840     browser->window()->Show();
 841
 842   return browser;
 843 }
 844
 845 void StartupBrowserCreatorImpl::AddInfoBarsIfNecessary(
 846     Browser* browser,
 847     chrome::startup::IsProcessStartup is_process_startup) {
 848   if (!browser || !profile_ || browser->tab_strip_model()->count() == 0)
 849     return;
 850
 851   if (HasPendingUncleanExit(browser->profile()) &&
 852       !browser->window()->ShowSessionCrashedBubble()) {
 853     SessionCrashedInfoBarDelegate::Create(browser);
 854   }
 855
 856   // The below info bars are only added to the first profile which is launched.
 857   // Other profiles might be restoring the browsing sessions asynchronously,
 858   // so we cannot add the info bars to the focused tabs here.
 859   if (is_process_startup == chrome::startup::IS_PROCESS_STARTUP &&
 860       !command_line_.HasSwitch(switches::kTestType)) {
 861     chrome::ShowBadFlagsPrompt(browser);
 862     GoogleApiKeysInfoBarDelegate::Create(InfoBarService::FromWebContents(
 863         browser->tab_strip_model()->GetActiveWebContents()));
 864     ObsoleteSystemInfoBarDelegate::Create(InfoBarService::FromWebContents(
 865         browser->tab_strip_model()->GetActiveWebContents()));
 866
 867 #if !defined(OS_CHROMEOS)
 868     if (!command_line_.HasSwitch(switches::kNoDefaultBrowserCheck)) {
 869       // Generally, the default browser prompt should not be shown on first
 870       // run. However, when the set-as-default dialog has been suppressed, we
 871       // need to allow it.
 872       if ((!is_first_run_ ||
 873            (browser_creator_ &&
 874             browser_creator_->is_default_browser_dialog_suppressed())) &&
 875           !chrome::ShowAutolaunchPrompt(browser)) {
 876         chrome::ShowDefaultBrowserPrompt(profile_,
 877                                          browser->host_desktop_type());
 878       }
 879     }
 880 #endif
 881   }
 882 }
 883
 884 void StartupBrowserCreatorImpl::AddStartupURLs(
 885     std::vector<GURL>* startup_urls) const {
 886   // TODO(atwilson): Simplify the logic that decides which tabs to open on
 887   // start-up and make it more consistent. http://crbug.com/248883
 888
 889   // If we have urls specified by the first run master preferences use them
 890   // and nothing else.
 891   if (browser_creator_ && startup_urls->empty()) {
 892     if (!browser_creator_->first_run_tabs_.empty()) {
 893       std::vector<GURL>::iterator it =
 894           browser_creator_->first_run_tabs_.begin();
 895       while (it != browser_creator_->first_run_tabs_.end()) {
 896         // Replace magic names for the actual urls.
 897         if (it->host() == "new_tab_page") {
 898           startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
 899         } else if (it->host() == "welcome_page") {
 900           startup_urls->push_back(internals::GetWelcomePageURL());
 901         } else {
 902           startup_urls->push_back(*it);
 903         }
 904         ++it;
 905       }
 906       browser_creator_->first_run_tabs_.clear();
 907     }
 908   }
 909
 910   // Otherwise open at least the new tab page (and optionally the welcome page
 911   // at the front or back as indicated by welcome_run_type_), or the set of URLs
 912   // specified on the command line.
 913   if (startup_urls->empty()) {
 914     if (welcome_run_type_ == WelcomeRunType::FIRST_TAB)
 915       startup_urls->push_back(internals::GetWelcomePageURL());
 916     startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
 917     if (welcome_run_type_ == WelcomeRunType::FIRST_RUN_LAST_TAB)
 918       startup_urls->push_back(internals::GetWelcomePageURL());
 919   }
 920
 921   if (signin::ShouldShowPromoAtStartup(profile_, is_first_run_)) {
 922     signin::DidShowPromoAtStartup(profile_);
 923
 924     const GURL sync_promo_url = signin::GetPromoURL(
 925         signin_metrics::SOURCE_START_PAGE, false);
 926
 927     // No need to add if the sync promo is already in the startup list.
 928     bool add_promo = true;
 929     for (std::vector<GURL>::const_iterator it = startup_urls->begin();
 930          it != startup_urls->end(); ++it) {
 931       if (*it == sync_promo_url) {
 932         add_promo = false;
 933         break;
 934       }
 935     }
 936
 937     if (add_promo) {
 938       // If the first URL is the NTP, replace it with the sync promo. This
 939       // behavior is desired because completing or skipping the sync promo
 940       // causes a redirect to the NTP.
 941       if (!startup_urls->empty() &&
 942           startup_urls->at(0) == GURL(chrome::kChromeUINewTabURL))
 943         startup_urls->at(0) = sync_promo_url;
 944       else
 945         startup_urls->insert(startup_urls->begin(), sync_promo_url);
 946     }
 947   }
 948 }
 949
 950 // For first-run, the type will be FIRST_RUN_LAST for all systems except for
 951 // Windows 10+, where it will be FIRST_RUN_FIRST. For non-first run, the type
 952 // will be NONE for all systems except for Windows 10+, where it will be
 953 // ANY_RUN_FIRST if this is the first somewhat normal launch since an OS
 954 // upgrade.
 955 void StartupBrowserCreatorImpl::InitializeWelcomeRunType(
 956     const std::vector<GURL>& urls_to_open) {
 957   DCHECK_EQ(static_cast<int>(WelcomeRunType::NONE),
 958             static_cast<int>(welcome_run_type_));
 959 #if defined(OS_WIN)
 960   // Do not welcome if there are any URLs to open.
 961   if (!urls_to_open.empty())
 962     return;
 963
 964   base::win::OSInfo* const os_info = base::win::OSInfo::GetInstance();
 965   const base::win::OSInfo::VersionNumber v(os_info->version_number());
 966   const std::string this_version(base::StringPrintf("%d.%d", v.major, v.minor));
 967   PrefService* const local_state = g_browser_process->local_state();
 968
 969   // Always welcome on first run.
 970   if (first_run::ShouldShowWelcomePage()) {
 971     // First tab for Win10+, last tab otherwise.
 972     welcome_run_type_ = os_info->version() >= base::win::VERSION_WIN10
 973                             ? WelcomeRunType::FIRST_TAB
 974                             : WelcomeRunType::FIRST_RUN_LAST_TAB;
 975   } else {
 976     // Otherwise, do not welcome pre-Win10.
 977     if (base::win::GetVersion() < base::win::VERSION_WIN10)
 978       return;
 979
 980     // Do not welcome if launching into incognito.
 981     if (IncognitoModePrefs::ShouldLaunchIncognito(command_line_,
 982                                                   profile_->GetPrefs())) {
 983       return;
 984     }
 985
 986     // Do not welcome if there is no local state (tests).
 987     if (!local_state)
 988       return;
 989
 990     // Do not welcome if disabled by policy or master_preferences.
 991     if (!local_state->GetBoolean(prefs::kWelcomePageOnOSUpgradeEnabled))
 992       return;
 993
 994     // Do not welcome if already shown for this OS version.
 995     if (local_state->GetString(prefs::kLastWelcomedOSVersion) == this_version)
 996       return;
 997
 998     // Do not welcome if offline.
 999     if (net::NetworkChangeNotifier::IsOffline())
1000       return;
1001
1002     // Do not welcome if Chrome was the default browser at startup.
1003     if (g_browser_process->CachedDefaultWebClientState() ==
1004         ShellIntegration::IS_DEFAULT) {
1005       return;
1006     }
1007
1008     // Show the welcome page in the first tab.
1009     welcome_run_type_ = WelcomeRunType::FIRST_TAB;
1010   }
1011
1012   // Remember that the welcome page was shown for this OS version.
1013   local_state->SetString(prefs::kLastWelcomedOSVersion, this_version);
1014 #else  // OS_WIN
1015   // Show the welcome page as the last tab only on first-run.
1016   if (first_run::ShouldShowWelcomePage())
1017     welcome_run_type_ = WelcomeRunType::FIRST_RUN_LAST_TAB;
1018 #endif  // !OS_WIN
1019 }