src/chrome/browser/automation/automation_provider_observers_chromeos.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/automation/automation_provider_observers.h"
   6
   7 #include "base/values.h"
   8 #include "chrome/browser/automation/automation_provider.h"
   9 #include "chrome/browser/chrome_notification_types.h"
  10 #include "chrome/browser/chromeos/login/authentication_notification_details.h"
  11 #include "chrome/browser/chromeos/login/enrollment/enrollment_screen_actor.h"
  12 #include "chrome/browser/chromeos/login/existing_user_controller.h"
  13 #include "chrome/browser/chromeos/login/screen_locker.h"
  14 #include "chrome/browser/chromeos/login/screens/wizard_screen.h"
  15 #include "chrome/browser/chromeos/login/user_image.h"
  16 #include "chrome/browser/chromeos/login/user_image_manager.h"
  17 #include "chrome/browser/chromeos/login/user_manager.h"
  18 #include "chrome/browser/chromeos/login/wizard_controller.h"
  19 #include "content/public/browser/notification_service.h"
  20
  21 using chromeos::WizardController;
  22
  23 namespace {
  24
  25 // Fake screen name for the user session (reported by WizardControllerObserver).
  26 const char kSessionScreenName[] = "session";
  27
  28 }
  29
  30 OOBEWebuiReadyObserver::OOBEWebuiReadyObserver(AutomationProvider* automation)
  31     : automation_(automation->AsWeakPtr()) {
  32   if (WizardController::default_controller() &&
  33       WizardController::default_controller()->current_screen()) {
  34     OOBEWebuiReady();
  35   } else {
  36     registrar_.Add(this, chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
  37                    content::NotificationService::AllSources());
  38   }
  39 }
  40
  41 void OOBEWebuiReadyObserver::Observe(
  42     int type,
  43     const content::NotificationSource& source,
  44     const content::NotificationDetails& details) {
  45   DCHECK(type == chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE);
  46   OOBEWebuiReady();
  47 }
  48
  49 void OOBEWebuiReadyObserver::OOBEWebuiReady() {
  50   if (automation_)
  51     automation_->OnOOBEWebuiReady();
  52   delete this;
  53 }
  54
  55 LoginObserver::LoginObserver(chromeos::ExistingUserController* controller,
  56                              AutomationProvider* automation,
  57                              IPC::Message* reply_message)
  58     : controller_(controller),
  59       automation_(automation->AsWeakPtr()),
  60       reply_message_(reply_message) {
  61   controller_->set_login_status_consumer(this);
  62 }
  63
  64 LoginObserver::~LoginObserver() {
  65   controller_->set_login_status_consumer(NULL);
  66 }
  67
  68 void LoginObserver::OnLoginFailure(const chromeos::LoginFailure& error) {
  69   scoped_ptr<base::DictionaryValue> return_value(new base::DictionaryValue);
  70   return_value->SetString("error_string", error.GetErrorString());
  71   AutomationJSONReply(automation_.get(), reply_message_.release())
  72       .SendSuccess(return_value.get());
  73   delete this;
  74 }
  75
  76 void LoginObserver::OnLoginSuccess(const chromeos::UserContext& user_context) {
  77   controller_->set_login_status_consumer(NULL);
  78   AutomationJSONReply(automation_.get(), reply_message_.release())
  79       .SendSuccess(NULL);
  80   delete this;
  81 }
  82
  83 WizardControllerObserver::WizardControllerObserver(
  84     WizardController* wizard_controller,
  85     AutomationProvider* automation,
  86     IPC::Message* reply_message)
  87     : wizard_controller_(wizard_controller),
  88       automation_(automation->AsWeakPtr()),
  89       reply_message_(reply_message) {
  90   wizard_controller_->AddObserver(this);
  91   registrar_.Add(this, chrome::NOTIFICATION_LOGIN_WEBUI_LOADED,
  92                  content::NotificationService::AllSources());
  93 }
  94
  95 WizardControllerObserver::~WizardControllerObserver() {
  96   wizard_controller_->RemoveObserver(this);
  97 }
  98
  99 void WizardControllerObserver::OnScreenChanged(
 100     chromeos::WizardScreen* next_screen) {
 101   std::string screen_name = next_screen->GetName();
 102   if (screen_to_wait_for_.empty() || screen_to_wait_for_ == screen_name) {
 103     SendReply(screen_name);
 104   } else {
 105     DVLOG(2) << "Still waiting for " << screen_to_wait_for_;
 106   }
 107 }
 108
 109 void WizardControllerObserver::OnSessionStart() {
 110   SendReply(kSessionScreenName);
 111 }
 112
 113 void WizardControllerObserver::Observe(
 114     int type,
 115     const content::NotificationSource& source,
 116     const content::NotificationDetails& details) {
 117   DCHECK(type == chrome::NOTIFICATION_LOGIN_WEBUI_LOADED);
 118   SendReply(WizardController::kLoginScreenName);
 119 }
 120
 121 void WizardControllerObserver::SendReply(const std::string& screen_name) {
 122   scoped_ptr<base::DictionaryValue> return_value(new base::DictionaryValue);
 123   return_value->SetString("next_screen", screen_name);
 124   AutomationJSONReply(automation_.get(), reply_message_.release())
 125       .SendSuccess(return_value.get());
 126   delete this;
 127 }
 128
 129 ScreenLockUnlockObserver::ScreenLockUnlockObserver(
 130     AutomationProvider* automation,
 131     IPC::Message* reply_message,
 132     bool lock_screen)
 133     : automation_(automation->AsWeakPtr()),
 134       reply_message_(reply_message),
 135       lock_screen_(lock_screen) {
 136   registrar_.Add(this, chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
 137                  content::NotificationService::AllSources());
 138 }
 139
 140 ScreenLockUnlockObserver::~ScreenLockUnlockObserver() {}
 141
 142 void ScreenLockUnlockObserver::Observe(
 143     int type,
 144     const content::NotificationSource& source,
 145     const content::NotificationDetails& details) {
 146   DCHECK(type == chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED);
 147   if (automation_) {
 148     AutomationJSONReply reply(automation_.get(), reply_message_.release());
 149     bool is_screen_locked = *content::Details<bool>(details).ptr();
 150     if (lock_screen_ == is_screen_locked)
 151       reply.SendSuccess(NULL);
 152     else
 153       reply.SendError("Screen lock failure.");
 154   }
 155   delete this;
 156 }
 157
 158 ScreenUnlockObserver::ScreenUnlockObserver(AutomationProvider* automation,
 159                                            IPC::Message* reply_message)
 160     : ScreenLockUnlockObserver(automation, reply_message, false) {
 161   chromeos::ScreenLocker::default_screen_locker()->SetLoginStatusConsumer(this);
 162 }
 163
 164 ScreenUnlockObserver::~ScreenUnlockObserver() {
 165   chromeos::ScreenLocker* screen_locker =
 166       chromeos::ScreenLocker::default_screen_locker();
 167   if (screen_locker)
 168     screen_locker->SetLoginStatusConsumer(NULL);
 169 }
 170
 171 void ScreenUnlockObserver::OnLoginFailure(const chromeos::LoginFailure& error) {
 172   if (automation_) {
 173     scoped_ptr<base::DictionaryValue> return_value(new base::DictionaryValue);
 174     return_value->SetString("error_string", error.GetErrorString());
 175     AutomationJSONReply(automation_.get(), reply_message_.release())
 176         .SendSuccess(return_value.get());
 177   }
 178   delete this;
 179 }