eula_screen.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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/cryptohome/cryptohome_library.h"
13
14namespace chromeos {
15
16EulaScreen::EulaScreen(ScreenObserver* observer, EulaScreenActor* actor)
17    : WizardScreen(observer), actor_(actor), password_fetcher_(this) {
18  DCHECK(actor_);
19  if (actor_)
20    actor_->SetDelegate(this);
21}
22
23EulaScreen::~EulaScreen() {
24  if (actor_)
25    actor_->SetDelegate(NULL);
26}
27
28void EulaScreen::PrepareToShow() {
29  if (actor_)
30    actor_->PrepareToShow();
31}
32
33void EulaScreen::Show() {
34  // Command to own the TPM.
35  CryptohomeLibrary::Get()->TpmCanAttemptOwnership();
36  if (actor_)
37    actor_->Show();
38}
39
40void EulaScreen::Hide() {
41  if (actor_)
42    actor_->Hide();
43}
44
45std::string EulaScreen::GetName() const {
46  return WizardController::kEulaScreenName;
47}
48
49GURL EulaScreen::GetOemEulaUrl() const {
50  const StartupCustomizationDocument* customization =
51      StartupCustomizationDocument::GetInstance();
52  if (customization->IsReady()) {
53    // Previously we're using "initial locale" that device initially
54    // booted with out-of-box. http://crbug.com/145142
55    std::string locale = g_browser_process->GetApplicationLocale();
56    std::string eula_page = customization->GetEULAPage(locale);
57    if (!eula_page.empty())
58      return GURL(eula_page);
59
60    VLOG(1) << "No eula found for locale: " << locale;
61  } else {
62    LOG(ERROR) << "No manifest found.";
63  }
64  return GURL();
65}
66
67void EulaScreen::OnExit(bool accepted, bool usage_stats_enabled) {
68  get_screen_observer()->SetUsageStatisticsReporting(usage_stats_enabled);
69  get_screen_observer()->OnExit(accepted
70                   ? ScreenObserver::EULA_ACCEPTED
71                   : ScreenObserver::EULA_BACK);
72}
73
74void EulaScreen::InitiatePasswordFetch() {
75  if (tpm_password_.empty()) {
76    password_fetcher_.Fetch();
77    // Will call actor after password has been fetched.
78  } else if (actor_) {
79    actor_->OnPasswordFetched(tpm_password_);
80  }
81}
82
83void EulaScreen::OnPasswordFetched(const std::string& tpm_password) {
84  tpm_password_ = tpm_password;
85  if (actor_)
86    actor_->OnPasswordFetched(tpm_password_);
87}
88
89bool EulaScreen::IsUsageStatsEnabled() const {
90  return get_screen_observer()->GetUsageStatisticsReporting();
91}
92
93void EulaScreen::OnActorDestroyed(EulaScreenActor* actor) {
94  if (actor_ == actor)
95    actor_ = NULL;
96}
97
98}  // namespace chromeos
99