startup_browser_creator_impl.cc revision 868fa2fe829687343ffae624259930155e16dbd8 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/ui/startup/startup_browser_creator_impl.h"
6
7#include <algorithm>
8#include <vector>
9
10#include "apps/app_restore_service.h"
11#include "apps/app_restore_service_factory.h"
12#include "base/bind.h"
13#include "base/bind_helpers.h"
14#include "base/command_line.h"
15#include "base/compiler_specific.h"
16#include "base/environment.h"
17#include "base/lazy_instance.h"
18#include "base/memory/scoped_ptr.h"
19#include "base/metrics/histogram.h"
20#include "base/metrics/statistics_recorder.h"
21#include "base/path_service.h"
22#include "base/prefs/pref_service.h"
23#include "base/strings/string_number_conversions.h"
24#include "base/strings/string_split.h"
25#include "base/strings/utf_string_conversions.h"
26#include "base/threading/thread_restrictions.h"
27#include "chrome/browser/auto_launch_trial.h"
28#include "chrome/browser/browser_process.h"
29#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
30#include "chrome/browser/custom_handlers/protocol_handler_registry_factory.h"
31#include "chrome/browser/defaults.h"
32#include "chrome/browser/extensions/extension_creator.h"
33#include "chrome/browser/extensions/extension_service.h"
34#include "chrome/browser/extensions/pack_extension_job.h"
35#include "chrome/browser/first_run/first_run.h"
36#include "chrome/browser/google/google_util.h"
37#include "chrome/browser/infobars/infobar_service.h"
38#include "chrome/browser/net/predictor.h"
39#include "chrome/browser/net/url_fixer_upper.h"
40#include "chrome/browser/notifications/desktop_notification_service.h"
41#include "chrome/browser/performance_monitor/startup_timer.h"
42#include "chrome/browser/prefs/incognito_mode_prefs.h"
43#include "chrome/browser/prefs/session_startup_pref.h"
44#include "chrome/browser/profiles/profile.h"
45#include "chrome/browser/profiles/profile_io_data.h"
46#include "chrome/browser/rlz/rlz.h"
47#include "chrome/browser/sessions/session_restore.h"
48#include "chrome/browser/sessions/session_service.h"
49#include "chrome/browser/sessions/session_service_factory.h"
50#include "chrome/browser/shell_integration.h"
51#include "chrome/browser/ui/app_list/app_list_service.h"
52#include "chrome/browser/ui/browser_commands.h"
53#include "chrome/browser/ui/browser_finder.h"
54#include "chrome/browser/ui/browser_list.h"
55#include "chrome/browser/ui/browser_navigator.h"
56#include "chrome/browser/ui/browser_tabrestore.h"
57#include "chrome/browser/ui/browser_tabstrip.h"
58#include "chrome/browser/ui/browser_window.h"
59#include "chrome/browser/ui/extensions/application_launch.h"
60#include "chrome/browser/ui/host_desktop.h"
61#include "chrome/browser/ui/startup/autolaunch_prompt.h"
62#include "chrome/browser/ui/startup/bad_flags_prompt.h"
63#include "chrome/browser/ui/startup/default_browser_prompt.h"
64#include "chrome/browser/ui/startup/google_api_keys_infobar_delegate.h"
65#include "chrome/browser/ui/startup/obsolete_os_infobar_delegate.h"
66#include "chrome/browser/ui/startup/session_crashed_prompt.h"
67#include "chrome/browser/ui/startup/startup_browser_creator.h"
68#include "chrome/browser/ui/tabs/pinned_tab_codec.h"
69#include "chrome/browser/ui/tabs/tab_strip_model.h"
70#include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
71#include "chrome/browser/ui/webui/sync_promo/sync_promo_trial.h"
72#include "chrome/browser/ui/webui/sync_promo/sync_promo_ui.h"
73#include "chrome/common/chrome_constants.h"
74#include "chrome/common/chrome_notification_types.h"
75#include "chrome/common/chrome_paths.h"
76#include "chrome/common/chrome_result_codes.h"
77#include "chrome/common/chrome_switches.h"
78#include "chrome/common/chrome_version_info.h"
79#include "chrome/common/extensions/extension_constants.h"
80#include "chrome/common/pref_names.h"
81#include "chrome/common/url_constants.h"
82#include "chrome/installer/util/browser_distribution.h"
83#include "content/public/browser/child_process_security_policy.h"
84#include "content/public/browser/dom_storage_context.h"
85#include "content/public/browser/notification_observer.h"
86#include "content/public/browser/notification_registrar.h"
87#include "content/public/browser/storage_partition.h"
88#include "content/public/browser/web_contents.h"
89#include "content/public/browser/web_contents_view.h"
90#include "grit/locale_settings.h"
91#include "ui/base/l10n/l10n_util.h"
92#include "ui/base/resource/resource_bundle.h"
93#include "ui/gfx/rect.h"
94#include "ui/gfx/screen.h"
95
96#if defined(OS_MACOSX)
97#include "base/mac/mac_util.h"
98#include "chrome/browser/ui/cocoa/keystone_infobar_delegate.h"
99#endif
100
101#if defined(TOOLKIT_GTK)
102#include "chrome/browser/ui/gtk/gtk_util.h"
103#endif
104
105#if defined(OS_WIN)
106#include "apps/app_launch_for_metro_restart_win.h"
107#include "base/win/windows_version.h"
108#endif
109
110#if defined(ENABLE_MANAGED_USERS)
111#include "chrome/browser/managed_mode/managed_user_service.h"
112#include "chrome/browser/managed_mode/managed_user_service_factory.h"
113#endif
114
115using content::ChildProcessSecurityPolicy;
116using content::WebContents;
117using extensions::Extension;
118
119namespace {
120
121// Utility functions ----------------------------------------------------------
122
123enum LaunchMode {
124  LM_TO_BE_DECIDED = 0,       // Possibly direct launch or via a shortcut.
125  LM_AS_WEBAPP,               // Launched as a installed web application.
126  LM_WITH_URLS,               // Launched with urls in the cmd line.
127  LM_SHORTCUT_NONE,           // Not launched from a shortcut.
128  LM_SHORTCUT_NONAME,         // Launched from shortcut but no name available.
129  LM_SHORTCUT_UNKNOWN,        // Launched from user-defined shortcut.
130  LM_SHORTCUT_QUICKLAUNCH,    // Launched from the quick launch bar.
131  LM_SHORTCUT_DESKTOP,        // Launched from a desktop shortcut.
132  LM_SHORTCUT_TASKBAR,        // Launched from the taskbar.
133  LM_LINUX_MAC_BEOS           // Other OS buckets start here.
134};
135
136#if defined(OS_WIN)
137// Undocumented flag in the startup info structure tells us what shortcut was
138// used to launch the browser. See http://www.catch22.net/tuts/undoc01 for
139// more information. Confirmed to work on XP, Vista and Win7.
140LaunchMode GetLaunchShortcutKind() {
141  STARTUPINFOW si = { sizeof(si) };
142  GetStartupInfoW(&si);
143  if (si.dwFlags & 0x800) {
144    if (!si.lpTitle)
145      return LM_SHORTCUT_NONAME;
146    string16 shortcut(si.lpTitle);
147    // The windows quick launch path is not localized.
148    if (shortcut.find(L"\\Quick Launch\\") != string16::npos) {
149      if (base::win::GetVersion() >= base::win::VERSION_WIN7)
150        return LM_SHORTCUT_TASKBAR;
151      else
152        return LM_SHORTCUT_QUICKLAUNCH;
153    }
154    scoped_ptr<base::Environment> env(base::Environment::Create());
155    std::string appdata_path;
156    env->GetVar("USERPROFILE", &appdata_path);
157    if (!appdata_path.empty() &&
158        shortcut.find(ASCIIToWide(appdata_path)) != std::wstring::npos)
159      return LM_SHORTCUT_DESKTOP;
160    return LM_SHORTCUT_UNKNOWN;
161  }
162  return LM_SHORTCUT_NONE;
163}
164#else
165// TODO(cpu): Port to other platforms.
166LaunchMode GetLaunchShortcutKind() {
167  return LM_LINUX_MAC_BEOS;
168}
169#endif
170
171// Log in a histogram the frequency of launching by the different methods. See
172// LaunchMode enum for the actual values of the buckets.
173void RecordLaunchModeHistogram(LaunchMode mode) {
174  int bucket = (mode == LM_TO_BE_DECIDED) ? GetLaunchShortcutKind() : mode;
175  UMA_HISTOGRAM_COUNTS_100("Launch.Modes", bucket);
176}
177
178void UrlsToTabs(const std::vector<GURL>& urls, StartupTabs* tabs) {
179  for (size_t i = 0; i < urls.size(); ++i) {
180    StartupTab tab;
181    tab.is_pinned = false;
182    tab.url = urls[i];
183    tabs->push_back(tab);
184  }
185}
186
187// Return true if the command line option --app-id is used.  Set
188// |out_extension| to the app to open, and |out_launch_container|
189// to the type of window into which the app should be open.
190bool GetAppLaunchContainer(
191    Profile* profile,
192    const std::string& app_id,
193    const Extension** out_extension,
194    extension_misc::LaunchContainer* out_launch_container) {
195
196  ExtensionService* extensions_service = profile->GetExtensionService();
197  const Extension* extension =
198      extensions_service->GetExtensionById(app_id, false);
199
200  // The extension with id |app_id| may have been uninstalled.
201  if (!extension)
202    return false;
203
204  // Don't launch platform apps in incognito mode.
205  if (profile->IsOffTheRecord() && extension->is_platform_app())
206    return false;
207
208  // Look at preferences to find the right launch container.  If no
209  // preference is set, launch as a window.
210  extension_misc::LaunchContainer launch_container =
211      extensions_service->extension_prefs()->GetLaunchContainer(
212          extension, extensions::ExtensionPrefs::LAUNCH_WINDOW);
213
214  *out_extension = extension;
215  *out_launch_container = launch_container;
216  return true;
217}
218
219// Parse two comma-separated integers from string. Return true on success.
220bool ParseCommaSeparatedIntegers(const std::string& str,
221                                 int* ret_num1,
222                                 int* ret_num2) {
223  std::vector<std::string> dimensions;
224  base::SplitString(str, ',', &dimensions);
225  if (dimensions.size() != 2)
226    return false;
227
228  int num1, num2;
229  if (!base::StringToInt(dimensions[0], &num1) ||
230      !base::StringToInt(dimensions[1], &num2))
231    return false;
232
233  *ret_num1 = num1;
234  *ret_num2 = num2;
235  return true;
236}
237
238void RecordCmdLineAppHistogram(extensions::Manifest::Type app_type) {
239  AppLauncherHandler::RecordAppLaunchType(
240      extension_misc::APP_LAUNCH_CMD_LINE_APP,
241      app_type);
242}
243
244void RecordAppLaunches(Profile* profile,
245                       const std::vector<GURL>& cmd_line_urls,
246                       StartupTabs& autolaunch_tabs) {
247  ExtensionService* extension_service = profile->GetExtensionService();
248  DCHECK(extension_service);
249  for (size_t i = 0; i < cmd_line_urls.size(); ++i) {
250    const extensions::Extension* extension =
251        extension_service->GetInstalledApp(cmd_line_urls.at(i));
252    if (extension) {
253      AppLauncherHandler::RecordAppLaunchType(
254          extension_misc::APP_LAUNCH_CMD_LINE_URL,
255          extension->GetType());
256    }
257  }
258  for (size_t i = 0; i < autolaunch_tabs.size(); ++i) {
259    const extensions::Extension* extension =
260        extension_service->GetInstalledApp(autolaunch_tabs.at(i).url);
261    if (extension) {
262      AppLauncherHandler::RecordAppLaunchType(
263          extension_misc::APP_LAUNCH_AUTOLAUNCH,
264          extension->GetType());
265    }
266  }
267}
268
269bool IsNewTabURL(Profile* profile, const GURL& url) {
270  GURL ntp_url(chrome::kChromeUINewTabURL);
271  return url == ntp_url ||
272         (url.is_empty() && profile->GetHomePage() == ntp_url);
273}
274
275void AddSyncPromoTab(Profile* profile, StartupTabs* tabs) {
276  SyncPromoUI::DidShowSyncPromoAtStartup(profile);
277
278  StartupTab sync_promo_tab;
279  sync_promo_tab.url = SyncPromoUI::GetSyncPromoURL(
280      SyncPromoUI::SOURCE_START_PAGE, false);
281  sync_promo_tab.is_pinned = false;
282
283  // No need to add if the sync promo is already in the startup list.
284  for (StartupTabs::const_iterator it = tabs->begin(); it != tabs->end();
285       ++it) {
286    if (it->url == sync_promo_tab.url)
287      return;
288  }
289
290  tabs->insert(tabs->begin(), sync_promo_tab);
291
292  // If the next URL is the NTP then remove it, effectively replacing the NTP
293  // with the sync promo. This behavior is desired because completing or
294  // skipping the sync promo causes a redirect to the NTP.
295  if (tabs->size() > 1 && IsNewTabURL(profile, tabs->at(1).url))
296    tabs->erase(tabs->begin() + 1);
297}
298
299class WebContentsCloseObserver : public content::NotificationObserver {
300 public:
301  WebContentsCloseObserver() : contents_(NULL) {}
302  virtual ~WebContentsCloseObserver() {}
303
304  void SetContents(content::WebContents* contents) {
305    DCHECK(!contents_);
306    contents_ = contents;
307
308    registrar_.Add(this,
309                   content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
310                   content::Source<content::WebContents>(contents_));
311  }
312
313  content::WebContents* contents() { return contents_; }
314
315 private:
316  // content::NotificationObserver overrides:
317  virtual void Observe(int type,
318                       const content::NotificationSource& source,
319                       const content::NotificationDetails& details) OVERRIDE {
320    DCHECK_EQ(type, content::NOTIFICATION_WEB_CONTENTS_DESTROYED);
321    contents_ = NULL;
322  }
323
324  content::WebContents* contents_;
325  content::NotificationRegistrar registrar_;
326
327  DISALLOW_COPY_AND_ASSIGN(WebContentsCloseObserver);
328};
329
330}  // namespace
331
332namespace internals {
333
334GURL GetWelcomePageURL() {
335  std::string welcome_url = l10n_util::GetStringUTF8(IDS_WELCOME_PAGE_URL);
336  return GURL(welcome_url);
337}
338
339}  // namespace internals
340
341StartupBrowserCreatorImpl::StartupBrowserCreatorImpl(
342    const base::FilePath& cur_dir,
343    const CommandLine& command_line,
344    chrome::startup::IsFirstRun is_first_run)
345    : cur_dir_(cur_dir),
346      command_line_(command_line),
347      profile_(NULL),
348      browser_creator_(NULL),
349      is_first_run_(is_first_run == chrome::startup::IS_FIRST_RUN) {
350}
351
352StartupBrowserCreatorImpl::StartupBrowserCreatorImpl(
353    const base::FilePath& cur_dir,
354    const CommandLine& command_line,
355    StartupBrowserCreator* browser_creator,
356    chrome::startup::IsFirstRun is_first_run)
357    : cur_dir_(cur_dir),
358      command_line_(command_line),
359      profile_(NULL),
360      browser_creator_(browser_creator),
361      is_first_run_(is_first_run == chrome::startup::IS_FIRST_RUN) {
362}
363
364StartupBrowserCreatorImpl::~StartupBrowserCreatorImpl() {
365}
366
367bool StartupBrowserCreatorImpl::Launch(Profile* profile,
368                                       const std::vector<GURL>& urls_to_open,
369                                       bool process_startup,
370                                       chrome::HostDesktopType desktop_type) {
371  DCHECK(profile);
372  profile_ = profile;
373
374  if (command_line_.HasSwitch(switches::kDnsLogDetails))
375    chrome_browser_net::EnablePredictorDetailedLog(true);
376  if (command_line_.HasSwitch(switches::kDnsPrefetchDisable) &&
377      profile->GetNetworkPredictor()) {
378    profile->GetNetworkPredictor()->EnablePredictor(false);
379  }
380
381  AppListService::InitAll(profile);
382  if (command_line_.HasSwitch(switches::kShowAppList)) {
383    AppListService::RecordShowTimings(command_line_);
384    AppListService::Get()->ShowAppList(profile);
385    return true;
386  }
387
388  // Open the required browser windows and tabs. First, see if
389  // we're being run as an application window. If so, the user
390  // opened an app shortcut.  Don't restore tabs or open initial
391  // URLs in that case. The user should see the window as an app,
392  // not as chrome.
393  // Special case is when app switches are passed but we do want to restore
394  // session. In that case open app window + focus it after session is restored.
395  content::WebContents* app_contents = NULL;
396  if (OpenApplicationWindow(profile, &app_contents)) {
397    RecordLaunchModeHistogram(LM_AS_WEBAPP);
398  } else {
399    RecordLaunchModeHistogram(urls_to_open.empty() ?
400                              LM_TO_BE_DECIDED : LM_WITH_URLS);
401
402    ProcessLaunchURLs(process_startup, urls_to_open, desktop_type);
403
404    // If this is an app launch, but we didn't open an app window, it may
405    // be an app tab.
406    OpenApplicationTab(profile);
407
408#if defined(OS_MACOSX)
409    if (process_startup) {
410      // Check whether the auto-update system needs to be promoted from user
411      // to system.
412      KeystoneInfoBar::PromotionInfoBar(profile);
413    }
414#endif
415  }
416
417#if defined(OS_WIN)
418  if (process_startup)
419    ShellIntegration::MigrateChromiumShortcuts();
420#endif  // defined(OS_WIN)
421
422  return true;
423}
424
425void StartupBrowserCreatorImpl::ExtractOptionalAppWindowSize(
426    gfx::Rect* bounds) {
427  if (command_line_.HasSwitch(switches::kAppWindowSize)) {
428    int width, height;
429    width = height = 0;
430    std::string switch_value =
431        command_line_.GetSwitchValueASCII(switches::kAppWindowSize);
432    if (ParseCommaSeparatedIntegers(switch_value, &width, &height)) {
433      // TODO(scottmg): NativeScreen might be wrong. http://crbug.com/133312
434      const gfx::Rect work_area =
435          gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().work_area();
436      width = std::min(width, work_area.width());
437      height = std::min(height, work_area.height());
438      bounds->set_size(gfx::Size(width, height));
439      bounds->set_x((work_area.width() - bounds->width()) / 2);
440      // TODO(nkostylev): work_area does include launcher but should not.
441      // Launcher auto hide pref is synced and is most likely not applied here.
442      bounds->set_y((work_area.height() - bounds->height()) / 2);
443    }
444  }
445}
446
447bool StartupBrowserCreatorImpl::IsAppLaunch(std::string* app_url,
448                                            std::string* app_id) {
449  if (command_line_.HasSwitch(switches::kApp)) {
450    if (app_url)
451      *app_url = command_line_.GetSwitchValueASCII(switches::kApp);
452    return true;
453  }
454  if (command_line_.HasSwitch(switches::kAppId)) {
455    if (app_id)
456      *app_id = command_line_.GetSwitchValueASCII(switches::kAppId);
457    return true;
458  }
459  return false;
460}
461
462bool StartupBrowserCreatorImpl::OpenApplicationTab(Profile* profile) {
463  std::string app_id;
464  // App shortcuts to URLs always open in an app window.  Because this
465  // function will open an app that should be in a tab, there is no need
466  // to look at the app URL.  OpenApplicationWindow() will open app url
467  // shortcuts.
468  if (!IsAppLaunch(NULL, &app_id) || app_id.empty())
469    return false;
470
471  extension_misc::LaunchContainer launch_container;
472  const Extension* extension;
473  if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
474    return false;
475
476  // If the user doesn't want to open a tab, fail.
477  if (launch_container != extension_misc::LAUNCH_TAB)
478    return false;
479
480  RecordCmdLineAppHistogram(extension->GetType());
481
482  WebContents* app_tab = chrome::OpenApplication(chrome::AppLaunchParams(
483      profile, extension, extension_misc::LAUNCH_TAB, NEW_FOREGROUND_TAB));
484  return (app_tab != NULL);
485}
486
487bool StartupBrowserCreatorImpl::OpenApplicationWindow(
488    Profile* profile,
489    content::WebContents** out_app_contents) {
490  // Set |out_app_contents| to NULL early on (just in case).
491  if (out_app_contents)
492    *out_app_contents = NULL;
493
494  std::string url_string, app_id;
495  if (!IsAppLaunch(&url_string, &app_id))
496    return false;
497
498  // This can fail if the app_id is invalid.  It can also fail if the
499  // extension is external, and has not yet been installed.
500  // TODO(skerner): Do something reasonable here. Pop up a warning panel?
501  // Open an URL to the gallery page of the extension id?
502  if (!app_id.empty()) {
503    extension_misc::LaunchContainer launch_container;
504    const Extension* extension;
505    if (!GetAppLaunchContainer(profile, app_id, &extension, &launch_container))
506      return false;
507
508    // TODO(skerner): Could pass in |extension| and |launch_container|,
509    // and avoid calling GetAppLaunchContainer() both here and in
510    // OpenApplicationTab().
511
512    if (launch_container == extension_misc::LAUNCH_TAB)
513      return false;
514
515    RecordCmdLineAppHistogram(extension->GetType());
516
517    chrome::AppLaunchParams params(profile, extension,
518                                   launch_container, NEW_WINDOW);
519    params.command_line = &command_line_;
520    params.current_directory = cur_dir_;
521    WebContents* tab_in_app_window = chrome::OpenApplication(params);
522
523    if (out_app_contents)
524      *out_app_contents = tab_in_app_window;
525
526    // Platform apps fire off a launch event which may or may not open a window.
527    return (tab_in_app_window != NULL || extension->is_platform_app());
528  }
529
530  if (url_string.empty())
531    return false;
532
533#if defined(OS_WIN)  // Fix up Windows shortcuts.
534  ReplaceSubstringsAfterOffset(&url_string, 0, "\\x", "%");
535#endif
536  GURL url(url_string);
537
538  // Restrict allowed URLs for --app switch.
539  if (!url.is_empty() && url.is_valid()) {
540    ChildProcessSecurityPolicy* policy =
541        ChildProcessSecurityPolicy::GetInstance();
542    if (policy->IsWebSafeScheme(url.scheme()) ||
543        url.SchemeIs(chrome::kFileScheme)) {
544      const extensions::Extension* extension =
545          profile->GetExtensionService()->GetInstalledApp(url);
546      if (extension) {
547        RecordCmdLineAppHistogram(extension->GetType());
548      } else {
549        AppLauncherHandler::RecordAppLaunchType(
550            extension_misc::APP_LAUNCH_CMD_LINE_APP_LEGACY,
551            extensions::Manifest::TYPE_HOSTED_APP);
552      }
553
554      gfx::Rect override_bounds;
555      ExtractOptionalAppWindowSize(&override_bounds);
556
557      WebContents* app_tab = chrome::OpenAppShortcutWindow(profile,
558                                                           url,
559                                                           override_bounds);
560
561      if (out_app_contents)
562        *out_app_contents = app_tab;
563
564      return (app_tab != NULL);
565    }
566  }
567  return false;
568}
569
570void StartupBrowserCreatorImpl::ProcessLaunchURLs(
571    bool process_startup,
572    const std::vector<GURL>& urls_to_open,
573    chrome::HostDesktopType desktop_type) {
574  // If we're starting up in "background mode" (no open browser window) then
575  // don't open any browser windows, unless kAutoLaunchAtStartup is also
576  // specified.
577  if (process_startup &&
578      command_line_.HasSwitch(switches::kNoStartupWindow) &&
579      !command_line_.HasSwitch(switches::kAutoLaunchAtStartup)) {
580    return;
581  }
582
583// TODO(tapted): Move this to startup_browser_creator_win.cc after refactor.
584#if defined(OS_WIN)
585  if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
586    // See if there are apps for this profile that should be launched on startup
587    // due to a switch from Metro mode.
588    apps::HandleAppLaunchForMetroRestart(profile_);
589  }
590#endif
591
592  if (process_startup && ProcessStartupURLs(urls_to_open, desktop_type)) {
593    // ProcessStartupURLs processed the urls, nothing else to do.
594    return;
595  }
596
597  chrome::startup::IsProcessStartup is_process_startup = process_startup ?
598      chrome::startup::IS_PROCESS_STARTUP :
599      chrome::startup::IS_NOT_PROCESS_STARTUP;
600  if (!process_startup) {
601    // Even if we're not starting a new process, this may conceptually be
602    // "startup" for the user and so should be handled in a similar way.  Eg.,
603    // Chrome may have been running in the background due to an app with a
604    // background page being installed, or running with only an app window
605    // displayed.
606    SessionService* service = SessionServiceFactory::GetForProfile(profile_);
607    if (service && service->ShouldNewWindowStartSession()) {
608      // Restore the last session if any.
609      if (!HasPendingUncleanExit(profile_) &&
610          service->RestoreIfNecessary(urls_to_open)) {
611        return;
612      }
613      // Open user-specified URLs like pinned tabs and startup tabs.
614      Browser* browser = ProcessSpecifiedURLs(urls_to_open, desktop_type);
615      if (browser) {
616        AddInfoBarsIfNecessary(browser, is_process_startup);
617        return;
618      }
619    }
620  }
621
622  // Session startup didn't occur, open the urls.
623  Browser* browser = NULL;
624  std::vector<GURL> adjust_urls = urls_to_open;
625  if (adjust_urls.empty()) {
626    AddStartupURLs(&adjust_urls);
627    if (StartupBrowserCreatorImpl::OpenStartupURLsInExistingBrowser(
628            profile_, adjust_urls))
629      return;
630  } else if (!command_line_.HasSwitch(switches::kOpenInNewWindow)) {
631    // Always open a list of urls in a window on the native desktop.
632    browser = chrome::FindTabbedBrowser(profile_, false,
633                                        chrome::HOST_DESKTOP_TYPE_NATIVE);
634  }
635  // This will launch a browser; prevent session restore.
636  StartupBrowserCreator::in_synchronous_profile_launch_ = true;
637  browser = OpenURLsInBrowser(browser, process_startup, adjust_urls,
638                              desktop_type);
639  StartupBrowserCreator::in_synchronous_profile_launch_ = false;
640  AddInfoBarsIfNecessary(browser, is_process_startup);
641}
642
643bool StartupBrowserCreatorImpl::ProcessStartupURLs(
644    const std::vector<GURL>& urls_to_open,
645    chrome::HostDesktopType desktop_type) {
646  VLOG(1) << "StartupBrowserCreatorImpl::ProcessStartupURLs";
647  SessionStartupPref pref =
648      StartupBrowserCreator::GetSessionStartupPref(command_line_, profile_);
649  if (pref.type == SessionStartupPref::LAST)
650    VLOG(1) << "Pref: last";
651  else if (pref.type == SessionStartupPref::URLS)
652    VLOG(1) << "Pref: urls";
653  else if (pref.type == SessionStartupPref::DEFAULT)
654    VLOG(1) << "Pref: default";
655
656  apps::AppRestoreService* restore_service =
657      apps::AppRestoreServiceFactory::GetForProfile(profile_);
658  // NULL in incognito mode.
659  if (restore_service) {
660    restore_service->HandleStartup(apps::AppRestoreService::ShouldRestoreApps(
661        StartupBrowserCreator::WasRestarted()));
662  }
663
664  if (pref.type == SessionStartupPref::LAST) {
665    if (profile_->GetLastSessionExitType() == Profile::EXIT_CRASHED &&
666        !command_line_.HasSwitch(switches::kRestoreLastSession)) {
667      // The last session crashed. It's possible automatically loading the
668      // page will trigger another crash, locking the user out of chrome.
669      // To avoid this, don't restore on startup but instead show the crashed
670      // infobar.
671      VLOG(1) << "Unclean exit; not processing";
672      return false;
673    }
674
675    uint32 restore_behavior = SessionRestore::SYNCHRONOUS;
676    if (browser_defaults::kAlwaysCreateTabbedBrowserOnSessionRestore ||
677        CommandLine::ForCurrentProcess()->HasSwitch(
678            switches::kCreateBrowserOnStartupForTests)) {
679      restore_behavior |= SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
680    }
681
682#if defined(OS_MACOSX)
683    // On Mac, when restoring a session with no windows, suppress the creation
684    // of a new window in the case where the system is launching Chrome via a
685    // login item or Lion's resume feature.
686    if (base::mac::WasLaunchedAsLoginOrResumeItem()) {
687      restore_behavior = restore_behavior &
688                         ~SessionRestore::ALWAYS_CREATE_TABBED_BROWSER;
689    }
690#endif
691
692    // Pause the StartupTimer. Since the restore here is synchronous, we can
693    // keep these two metrics (browser startup time and session restore time)
694    // separate.
695    performance_monitor::StartupTimer::PauseTimer();
696
697    // The startup code only executes for browsers launched in desktop mode.
698    // i.e. HOST_DESKTOP_TYPE_NATIVE. Ash should never get here.
699    Browser* browser = SessionRestore::RestoreSession(
700        profile_, NULL, desktop_type, restore_behavior,
701        urls_to_open);
702
703    performance_monitor::StartupTimer::UnpauseTimer();
704
705    AddInfoBarsIfNecessary(browser, chrome::startup::IS_PROCESS_STARTUP);
706    return true;
707  }
708
709  Browser* browser = ProcessSpecifiedURLs(urls_to_open, desktop_type);
710  if (!browser)
711    return false;
712
713  AddInfoBarsIfNecessary(browser, chrome::startup::IS_PROCESS_STARTUP);
714
715  // Session restore may occur if the startup preference is "last" or if the
716  // crash infobar is displayed. Otherwise, it's safe for the DOM storage system
717  // to start deleting leftover data.
718  if (pref.type != SessionStartupPref::LAST &&
719      !HasPendingUncleanExit(profile_)) {
720    content::BrowserContext::GetDefaultStoragePartition(profile_)->
721        GetDOMStorageContext()->StartScavengingUnusedSessionStorage();
722  }
723
724  return true;
725}
726
727Browser* StartupBrowserCreatorImpl::ProcessSpecifiedURLs(
728    const std::vector<GURL>& urls_to_open,
729    chrome::HostDesktopType desktop_type) {
730  SessionStartupPref pref =
731      StartupBrowserCreator::GetSessionStartupPref(command_line_, profile_);
732  StartupTabs tabs;
733  // Pinned tabs should not be displayed when chrome is launched in incognito
734  // mode. Also, no pages should be opened automatically if the session
735  // crashed. Otherwise it might trigger another crash, locking the user out of
736  // chrome. The crash infobar is shown in this case.
737  if (!IncognitoModePrefs::ShouldLaunchIncognito(command_line_,
738                                                 profile_->GetPrefs()) &&
739      !HasPendingUncleanExit(profile_)) {
740    tabs = PinnedTabCodec::ReadPinnedTabs(profile_);
741  }
742
743  RecordAppLaunches(profile_, urls_to_open, tabs);
744
745  if (!urls_to_open.empty()) {
746    // If urls were specified on the command line, use them.
747    UrlsToTabs(urls_to_open, &tabs);
748  } else if (pref.type == SessionStartupPref::DEFAULT ||
749             (is_first_run_ &&
750              browser_creator_ && !browser_creator_->first_run_tabs_.empty())) {
751    std::vector<GURL> urls;
752    AddStartupURLs(&urls);
753    UrlsToTabs(urls, &tabs);
754  } else if (pref.type == SessionStartupPref::URLS && !pref.urls.empty() &&
755             !HasPendingUncleanExit(profile_)) {
756    // Only use the set of urls specified in preferences if nothing was
757    // specified on the command line. Filter out any urls that are to be
758    // restored by virtue of having been previously pinned.
759    AddUniqueURLs(pref.urls, &tabs);
760  } else if (pref.type == SessionStartupPref::HOMEPAGE) {
761    // If 'homepage' selected, either by the user or by a policy, we should
762    // have migrated them to another value.
763    NOTREACHED() << "SessionStartupPref has deprecated type HOMEPAGE";
764  }
765
766  if (pref.type != SessionStartupPref::LAST &&
767      SyncPromoUI::ShouldShowSyncPromoAtStartup(profile_, is_first_run_)) {
768    AddSyncPromoTab(profile_, &tabs);
769  }
770
771  if (tabs.empty())
772    return NULL;
773
774  Browser* browser = OpenTabsInBrowser(NULL, true, tabs, desktop_type);
775  return browser;
776}
777
778void StartupBrowserCreatorImpl::AddUniqueURLs(const std::vector<GURL>& urls,
779                                              StartupTabs* tabs) {
780  size_t num_existing_tabs = tabs->size();
781  for (size_t i = 0; i < urls.size(); ++i) {
782    bool in_tabs = false;
783    for (size_t j = 0; j < num_existing_tabs; ++j) {
784      if (urls[i] == (*tabs)[j].url) {
785        in_tabs = true;
786        break;
787      }
788    }
789    if (!in_tabs) {
790      StartupTab tab;
791      tab.is_pinned = false;
792      tab.url = urls[i];
793      tabs->push_back(tab);
794    }
795  }
796}
797
798Browser* StartupBrowserCreatorImpl::OpenURLsInBrowser(
799    Browser* browser,
800    bool process_startup,
801    const std::vector<GURL>& urls,
802    chrome::HostDesktopType desktop_type) {
803  StartupTabs tabs;
804  UrlsToTabs(urls, &tabs);
805  return OpenTabsInBrowser(browser, process_startup, tabs, desktop_type);
806}
807
808Browser* StartupBrowserCreatorImpl::OpenTabsInBrowser(
809    Browser* browser,
810    bool process_startup,
811    const StartupTabs& tabs,
812    chrome::HostDesktopType desktop_type) {
813  DCHECK(!tabs.empty());
814
815  // If we don't yet have a profile, try to use the one we're given from
816  // |browser|. While we may not end up actually using |browser| (since it
817  // could be a popup window), we can at least use the profile.
818  if (!profile_ && browser)
819    profile_ = browser->profile();
820
821  if (!browser || !browser->is_type_tabbed()) {
822    browser = new Browser(Browser::CreateParams(profile_, desktop_type));
823  } else {
824#if defined(TOOLKIT_GTK)
825    // Setting the time of the last action on the window here allows us to steal
826    // focus, which is what the user wants when opening a new tab in an existing
827    // browser window.
828    gtk_util::SetWMLastUserActionTime(browser->window()->GetNativeWindow());
829#endif
830  }
831
832  // In kiosk mode, we want to always be fullscreen, so switch to that now.
833  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kKioskMode))
834    chrome::ToggleFullscreenMode(browser);
835
836  bool first_tab = true;
837  ProtocolHandlerRegistry* registry = profile_ ?
838      ProtocolHandlerRegistryFactory::GetForProfile(profile_) : NULL;
839  for (size_t i = 0; i < tabs.size(); ++i) {
840    // We skip URLs that we'd have to launch an external protocol handler for.
841    // This avoids us getting into an infinite loop asking ourselves to open
842    // a URL, should the handler be (incorrectly) configured to be us. Anyone
843    // asking us to open such a URL should really ask the handler directly.
844    bool handled_by_chrome = ProfileIOData::IsHandledURL(tabs[i].url) ||
845        (registry && registry->IsHandledProtocol(tabs[i].url.scheme()));
846    if (!process_startup && !handled_by_chrome)
847      continue;
848
849    int add_types = first_tab ? TabStripModel::ADD_ACTIVE :
850                                TabStripModel::ADD_NONE;
851    add_types |= TabStripModel::ADD_FORCE_INDEX;
852    if (tabs[i].is_pinned)
853      add_types |= TabStripModel::ADD_PINNED;
854
855    chrome::NavigateParams params(browser, tabs[i].url,
856                                  content::PAGE_TRANSITION_AUTO_TOPLEVEL);
857    params.disposition = first_tab ? NEW_FOREGROUND_TAB : NEW_BACKGROUND_TAB;
858    params.tabstrip_add_types = add_types;
859    params.extension_app_id = tabs[i].app_id;
860
861#if defined(ENABLE_RLZ)
862    if (process_startup &&
863        google_util::IsGoogleHomePageUrl(tabs[i].url.spec())) {
864      params.extra_headers = RLZTracker::GetAccessPointHttpHeader(
865          RLZTracker::CHROME_HOME_PAGE);
866    }
867#endif
868
869    chrome::Navigate(&params);
870
871    first_tab = false;
872  }
873  if (!browser->tab_strip_model()->GetActiveWebContents()) {
874    // TODO: this is a work around for 110909. Figure out why it's needed.
875    if (!browser->tab_strip_model()->count())
876      chrome::AddBlankTabAt(browser, -1, true);
877    else
878      browser->tab_strip_model()->ActivateTabAt(0, false);
879  }
880
881  // The default behavior is to show the window, as expressed by the default
882  // value of StartupBrowserCreated::show_main_browser_window_. If this was set
883  // to true ahead of this place, it means another task must have been spawned
884  // to take care of that.
885  if (!browser_creator_ || browser_creator_->show_main_browser_window())
886    browser->window()->Show();
887
888  return browser;
889}
890
891void StartupBrowserCreatorImpl::AddInfoBarsIfNecessary(
892    Browser* browser,
893    chrome::startup::IsProcessStartup is_process_startup) {
894  if (!browser || !profile_ || browser->tab_strip_model()->count() == 0)
895    return;
896
897  if (HasPendingUncleanExit(browser->profile()))
898    SessionCrashedInfoBarDelegate::Create(browser);
899
900  // The below info bars are only added to the first profile which is launched.
901  // Other profiles might be restoring the browsing sessions asynchronously,
902  // so we cannot add the info bars to the focused tabs here.
903  if (is_process_startup == chrome::startup::IS_PROCESS_STARTUP) {
904    chrome::ShowBadFlagsPrompt(browser);
905    if (!command_line_.HasSwitch(switches::kTestType)) {
906      GoogleApiKeysInfoBarDelegate::Create(
907          InfoBarService::FromWebContents(
908              browser->tab_strip_model()->GetActiveWebContents()));
909
910      // TODO(phajdan.jr): Always enable after migrating bots:
911      // http://crbug.com/170262 .
912      chrome::ObsoleteOSInfoBarDelegate::Create(
913          InfoBarService::FromWebContents(
914              browser->tab_strip_model()->GetActiveWebContents()));
915    }
916
917    if (browser_defaults::kOSSupportsOtherBrowsers &&
918        !command_line_.HasSwitch(switches::kNoDefaultBrowserCheck)) {
919      // Generally, the default browser prompt should not be shown on first
920      // run. However, when the set-as-default dialog has been suppressed, we
921      // need to allow it.
922      if ((!is_first_run_ ||
923           (browser_creator_ &&
924            browser_creator_->is_default_browser_dialog_suppressed())) &&
925          !chrome::ShowAutolaunchPrompt(browser)) {
926        chrome::ShowDefaultBrowserPrompt(profile_,
927                                         browser->host_desktop_type());
928      }
929    }
930  }
931}
932
933
934void StartupBrowserCreatorImpl::AddStartupURLs(
935    std::vector<GURL>* startup_urls) const {
936  // If we have urls specified by the first run master preferences use them
937  // and nothing else.
938  if (browser_creator_ && startup_urls->empty()) {
939    if (!browser_creator_->first_run_tabs_.empty()) {
940      std::vector<GURL>::iterator it =
941          browser_creator_->first_run_tabs_.begin();
942      while (it != browser_creator_->first_run_tabs_.end()) {
943        // Replace magic names for the actual urls.
944        if (it->host() == "new_tab_page") {
945          startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
946        } else if (it->host() == "welcome_page") {
947          startup_urls->push_back(internals::GetWelcomePageURL());
948        } else {
949          startup_urls->push_back(*it);
950        }
951        ++it;
952      }
953      browser_creator_->first_run_tabs_.clear();
954    }
955  }
956
957  // Otherwise open at least the new tab page (and the welcome page, if this
958  // is the first time the browser is being started), or the set of URLs
959  // specified on the command line.
960  if (startup_urls->empty()) {
961    startup_urls->push_back(GURL(chrome::kChromeUINewTabURL));
962    if (first_run::ShouldShowWelcomePage())
963      startup_urls->push_back(internals::GetWelcomePageURL());
964  }
965}
966
967#if !defined(OS_WIN)
968// static
969bool StartupBrowserCreatorImpl::OpenStartupURLsInExistingBrowser(
970    Profile* profile,
971    const std::vector<GURL>& startup_urls) {
972  return false;
973}
974#endif
975