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/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/logging.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/chromeos/customization/customization_document.h"
  12 #include "chrome/browser/chromeos/login/screens/base_screen_delegate.h"
  13 #include "chrome/browser/chromeos/login/screens/eula_view.h"
  14 #include "chromeos/dbus/cryptohome_client.h"
  15 #include "chromeos/dbus/dbus_method_call_status.h"
  16 #include "chromeos/dbus/dbus_thread_manager.h"
  17
  18 namespace chromeos {
  19
  20 EulaScreen::EulaScreen(BaseScreenDelegate* base_screen_delegate,
  21                        Delegate* delegate,
  22                        EulaView* view)
  23     : EulaModel(base_screen_delegate),
  24       delegate_(delegate),
  25       view_(view),
  26       password_fetcher_(this) {
  27   DCHECK(view_);
  28   DCHECK(delegate_);
  29   if (view_)
  30     view_->Bind(*this);
  31 }
  32
  33 EulaScreen::~EulaScreen() {
  34   if (view_)
  35     view_->Unbind();
  36 }
  37
  38 void EulaScreen::PrepareToShow() {
  39   if (view_)
  40     view_->PrepareToShow();
  41 }
  42
  43 void EulaScreen::Show() {
  44   // Command to own the TPM.
  45   DBusThreadManager::Get()->GetCryptohomeClient()->TpmCanAttemptOwnership(
  46       EmptyVoidDBusMethodCallback());
  47   if (view_)
  48     view_->Show();
  49 }
  50
  51 void EulaScreen::Hide() {
  52   if (view_)
  53     view_->Hide();
  54 }
  55
  56 GURL EulaScreen::GetOemEulaUrl() const {
  57   const StartupCustomizationDocument* customization =
  58       StartupCustomizationDocument::GetInstance();
  59   if (customization->IsReady()) {
  60     // Previously we're using "initial locale" that device initially
  61     // booted with out-of-box. http://crbug.com/145142
  62     std::string locale = g_browser_process->GetApplicationLocale();
  63     std::string eula_page = customization->GetEULAPage(locale);
  64     if (!eula_page.empty())
  65       return GURL(eula_page);
  66
  67     VLOG(1) << "No eula found for locale: " << locale;
  68   } else {
  69     LOG(ERROR) << "No manifest found.";
  70   }
  71   return GURL();
  72 }
  73
  74 void EulaScreen::InitiatePasswordFetch() {
  75   if (tpm_password_.empty()) {
  76     password_fetcher_.Fetch();
  77     // Will call view after password has been fetched.
  78   } else if (view_) {
  79     view_->OnPasswordFetched(tpm_password_);
  80   }
  81 }
  82
  83 void EulaScreen::OnPasswordFetched(const std::string& tpm_password) {
  84   tpm_password_ = tpm_password;
  85   if (view_)
  86     view_->OnPasswordFetched(tpm_password_);
  87 }
  88
  89 bool EulaScreen::IsUsageStatsEnabled() const {
  90   return delegate_ && delegate_->GetUsageStatisticsReporting();
  91 }
  92
  93 void EulaScreen::OnViewDestroyed(EulaView* view) {
  94   if (view_ == view)
  95     view_ = NULL;
  96 }
  97
  98 void EulaScreen::OnUserAction(const std::string& action_id) {
  99   if (action_id == kUserActionAcceptButtonClicked)
 100     Finish(BaseScreenDelegate::EULA_ACCEPTED);
 101   else if (action_id == kUserActionBackButtonClicked)
 102     Finish(BaseScreenDelegate::EULA_BACK);
 103   else
 104     BaseScreen::OnUserAction(action_id);
 105 }
 106
 107 void EulaScreen::OnContextKeyUpdated(
 108     const ::login::ScreenContext::KeyType& key) {
 109   if (key == kContextKeyUsageStatsEnabled && delegate_) {
 110     delegate_->SetUsageStatisticsReporting(
 111         context_.GetBoolean(kContextKeyUsageStatsEnabled));
 112   }
 113 }
 114
 115 }  // namespace chromeos