blob: 3e48399578794533508a4bb2edf7d715f123e106 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/login/screens/eula_screen.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/logging.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/chromeos/customization/customization_document.h"
#include "chrome/browser/chromeos/login/screens/eula_view.h"
#include "chrome/browser/chromeos/login/wizard_controller.h"
#include "chromeos/dbus/cryptohome/cryptohome_client.h"
#include "chromeos/dbus/dbus_method_call_status.h"
#include "chromeos/dbus/dbus_thread_manager.h"
namespace chromeos {
namespace {
constexpr const char kUserActionAcceptButtonClicked[] = "accept-button";
constexpr const char kUserActionBackButtonClicked[] = "back-button";
// Reflects the value of usage statistics reporting checkbox shown in eula
// UI. The value is expected to survive EulaScreen res-hows within a single
// session. For example if a user unchecks the checkbox, goes back, and then
// gets to EULA screen again, the checkbox should be unchecked.
bool g_usage_statistics_reporting_enabled = true;
} // namespace
EulaScreen::EulaScreen(EulaView* view, const ScreenExitCallback& exit_callback)
: BaseScreen(OobeScreen::SCREEN_OOBE_EULA),
view_(view),
exit_callback_(exit_callback),
password_fetcher_(this) {
DCHECK(view_);
if (view_)
view_->Bind(this);
}
EulaScreen::~EulaScreen() {
if (view_)
view_->Unbind();
}
void EulaScreen::InitiatePasswordFetch() {
if (tpm_password_.empty()) {
password_fetcher_.Fetch();
// Will call view after password has been fetched.
} else if (view_) {
view_->OnPasswordFetched(tpm_password_);
}
}
void EulaScreen::SetUsageStatsEnabled(bool enabled) {
g_usage_statistics_reporting_enabled = enabled;
}
bool EulaScreen::IsUsageStatsEnabled() const {
return g_usage_statistics_reporting_enabled;
}
void EulaScreen::OnViewDestroyed(EulaView* view) {
if (view_ == view)
view_ = NULL;
}
void EulaScreen::Show() {
// Command to own the TPM.
CryptohomeClient::Get()->TpmCanAttemptOwnership(
EmptyVoidDBusMethodCallback());
if (WizardController::UsingHandsOffEnrollment())
OnUserAction(kUserActionAcceptButtonClicked);
else if (view_)
view_->Show();
}
void EulaScreen::Hide() {
if (view_)
view_->Hide();
}
void EulaScreen::OnUserAction(const std::string& action_id) {
if (action_id == kUserActionAcceptButtonClicked) {
exit_callback_.Run(g_usage_statistics_reporting_enabled
? Result::ACCEPTED_WITH_USAGE_STATS_REPORTING
: Result::ACCEPTED_WITHOUT_USAGE_STATS_REPORTING);
} else if (action_id == kUserActionBackButtonClicked) {
exit_callback_.Run(Result::BACK);
} else {
BaseScreen::OnUserAction(action_id);
}
}
void EulaScreen::OnPasswordFetched(const std::string& tpm_password) {
tpm_password_ = tpm_password;
if (view_)
view_->OnPasswordFetched(tpm_password_);
}
} // namespace chromeos