chrome/browser/chromeos/login/screens/eula_screen.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/chromeos/login/screens/eula_screen.h"
   6
   7 #include "base/logging.h"
   8 #include "chrome/browser/browser_process.h"
   9 #include "chrome/browser/chromeos/customization_document.h"
  10 #include "chrome/browser/chromeos/login/screens/screen_observer.h"
  11 #include "chrome/browser/chromeos/login/wizard_controller.h"
  12 #include "chromeos/dbus/cryptohome_client.h"
  13 #include "chromeos/dbus/dbus_method_call_status.h"
  14 #include "chromeos/dbus/dbus_thread_manager.h"
  15
  16 namespace chromeos {
  17
  18 EulaScreen::EulaScreen(ScreenObserver* observer, EulaScreenActor* actor)
  19     : WizardScreen(observer), actor_(actor), password_fetcher_(this) {
  20   DCHECK(actor_);
  21   if (actor_)
  22     actor_->SetDelegate(this);
  23 }
  24
  25 EulaScreen::~EulaScreen() {
  26   if (actor_)
  27     actor_->SetDelegate(NULL);
  28 }
  29
  30 void EulaScreen::PrepareToShow() {
  31   if (actor_)
  32     actor_->PrepareToShow();
  33 }
  34
  35 void EulaScreen::Show() {
  36   // Command to own the TPM.
  37   DBusThreadManager::Get()->GetCryptohomeClient()->TpmCanAttemptOwnership(
  38       EmptyVoidDBusMethodCallback());
  39   if (actor_)
  40     actor_->Show();
  41 }
  42
  43 void EulaScreen::Hide() {
  44   if (actor_)
  45     actor_->Hide();
  46 }
  47
  48 std::string EulaScreen::GetName() const {
  49   return WizardController::kEulaScreenName;
  50 }
  51
  52 GURL EulaScreen::GetOemEulaUrl() const {
  53   const StartupCustomizationDocument* customization =
  54       StartupCustomizationDocument::GetInstance();
  55   if (customization->IsReady()) {
  56     // Previously we're using "initial locale" that device initially
  57     // booted with out-of-box. http://crbug.com/145142
  58     std::string locale = g_browser_process->GetApplicationLocale();
  59     std::string eula_page = customization->GetEULAPage(locale);
  60     if (!eula_page.empty())
  61       return GURL(eula_page);
  62
  63     VLOG(1) << "No eula found for locale: " << locale;
  64   } else {
  65     LOG(ERROR) << "No manifest found.";
  66   }
  67   return GURL();
  68 }
  69
  70 void EulaScreen::OnExit(bool accepted, bool usage_stats_enabled) {
  71   get_screen_observer()->SetUsageStatisticsReporting(usage_stats_enabled);
  72   get_screen_observer()->OnExit(accepted
  73                    ? ScreenObserver::EULA_ACCEPTED
  74                    : ScreenObserver::EULA_BACK);
  75 }
  76
  77 void EulaScreen::InitiatePasswordFetch() {
  78   if (tpm_password_.empty()) {
  79     password_fetcher_.Fetch();
  80     // Will call actor after password has been fetched.
  81   } else if (actor_) {
  82     actor_->OnPasswordFetched(tpm_password_);
  83   }
  84 }
  85
  86 void EulaScreen::OnPasswordFetched(const std::string& tpm_password) {
  87   tpm_password_ = tpm_password;
  88   if (actor_)
  89     actor_->OnPasswordFetched(tpm_password_);
  90 }
  91
  92 bool EulaScreen::IsUsageStatsEnabled() const {
  93   return get_screen_observer()->GetUsageStatisticsReporting();
  94 }
  95
  96 void EulaScreen::OnActorDestroyed(EulaScreenActor* actor) {
  97   if (actor_ == actor)
  98     actor_ = NULL;
  99 }
 100
 101 }  // namespace chromeos