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      1 // Copyright 2013 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 "base/command_line.h"
      6 #include "base/metrics/histogram.h"
      7 #include "base/prefs/pref_service.h"
      8 #include "chrome/browser/chrome_notification_types.h"
      9 #include "chrome/browser/chromeos/first_run/first_run_controller.h"
     10 #include "chrome/browser/chromeos/login/users/user_manager.h"
     11 #include "chrome/browser/extensions/extension_service.h"
     12 #include "chrome/browser/ui/extensions/application_launch.h"
     13 #include "chrome/common/chrome_switches.h"
     14 #include "chrome/common/pref_names.h"
     15 #include "chromeos/chromeos_switches.h"
     16 #include "components/pref_registry/pref_registry_syncable.h"
     17 #include "content/public/browser/notification_observer.h"
     18 #include "content/public/browser/notification_registrar.h"
     19 #include "content/public/browser/notification_service.h"
     20 #include "extensions/browser/extension_system.h"
     21 #include "extensions/common/constants.h"
     22 
     23 namespace chromeos {
     24 namespace first_run {
     25 
     26 namespace {
     27 
     28 void LaunchDialogForProfile(Profile* profile) {
     29   ExtensionService* service =
     30       extensions::ExtensionSystem::Get(profile)->extension_service();
     31   if (!service)
     32     return;
     33 
     34   const extensions::Extension* extension =
     35       service->GetExtensionById(extension_misc::kFirstRunDialogId, false);
     36   if (!extension)
     37     return;
     38 
     39   OpenApplication(AppLaunchParams(
     40       profile, extension, extensions::LAUNCH_CONTAINER_WINDOW, NEW_WINDOW));
     41   profile->GetPrefs()->SetBoolean(prefs::kFirstRunTutorialShown, true);
     42 }
     43 
     44 // Object of this class waits for session start. Then it launches or not
     45 // launches first-run dialog depending on user prefs and flags. Than object
     46 // deletes itself.
     47 class DialogLauncher : public content::NotificationObserver {
     48  public:
     49   explicit DialogLauncher(Profile* profile)
     50       : profile_(profile) {
     51     DCHECK(profile);
     52     registrar_.Add(this,
     53                    chrome::NOTIFICATION_SESSION_STARTED,
     54                    content::NotificationService::AllSources());
     55   }
     56 
     57   virtual ~DialogLauncher() {}
     58 
     59   virtual void Observe(int type,
     60                        const content::NotificationSource& source,
     61                        const content::NotificationDetails& details) OVERRIDE {
     62     DCHECK(type == chrome::NOTIFICATION_SESSION_STARTED);
     63     DCHECK(content::Details<const User>(details).ptr() ==
     64         UserManager::Get()->GetUserByProfile(profile_));
     65     CommandLine* command_line = CommandLine::ForCurrentProcess();
     66     bool launched_in_test = command_line->HasSwitch(::switches::kTestType);
     67     bool launched_in_telemetry =
     68         command_line->HasSwitch(switches::kOobeSkipPostLogin);
     69     bool is_user_new = chromeos::UserManager::Get()->IsCurrentUserNew();
     70     bool first_run_forced = command_line->HasSwitch(switches::kForceFirstRunUI);
     71     bool first_run_seen =
     72         profile_->GetPrefs()->GetBoolean(prefs::kFirstRunTutorialShown);
     73     if (!launched_in_telemetry &&
     74         ((is_user_new && !first_run_seen && !launched_in_test) ||
     75          first_run_forced)) {
     76       LaunchDialogForProfile(profile_);
     77     }
     78     delete this;
     79   }
     80 
     81  private:
     82   Profile* profile_;
     83   content::NotificationRegistrar registrar_;
     84 
     85   DISALLOW_COPY_AND_ASSIGN(DialogLauncher);
     86 };
     87 
     88 }  // namespace
     89 
     90 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
     91   registry->RegisterBooleanPref(
     92       prefs::kFirstRunTutorialShown,
     93       false,
     94       user_prefs::PrefRegistrySyncable::SYNCABLE_PRIORITY_PREF);
     95 }
     96 
     97 void MaybeLaunchDialogAfterSessionStart() {
     98   UserManager* user_manager = UserManager::Get();
     99   new DialogLauncher(
    100       user_manager->GetProfileByUser(user_manager->GetActiveUser()));
    101 }
    102 
    103 void LaunchTutorial() {
    104   UMA_HISTOGRAM_BOOLEAN("CrosFirstRun.TutorialLaunched", true);
    105   FirstRunController::Start();
    106 }
    107 
    108 }  // namespace first_run
    109 }  // namespace chromeos
    110