chrome/browser/chromeos/login/version_info_updater.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/version_info_updater.h"
   6
   7 #include <vector>
   8
   9 #include "base/bind.h"
  10 #include "base/bind_helpers.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/strings/stringprintf.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "base/sys_info.h"
  15 #include "base/task_runner_util.h"
  16 #include "chrome/browser/browser_process.h"
  17 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
  18 #include "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
  19 #include "chrome/browser/chromeos/settings/cros_settings.h"
  20 #include "chrome/grit/chromium_strings.h"
  21 #include "chrome/grit/generated_resources.h"
  22 #include "chromeos/settings/cros_settings_names.h"
  23 #include "components/version_info/version_info.h"
  24 #include "content/public/browser/browser_thread.h"
  25 #include "ui/base/l10n/l10n_util.h"
  26
  27 namespace chromeos {
  28
  29 namespace {
  30
  31 const char* const kReportingFlags[] = {
  32   chromeos::kReportDeviceVersionInfo,
  33   chromeos::kReportDeviceActivityTimes,
  34   chromeos::kReportDeviceBootMode,
  35   chromeos::kReportDeviceLocation,
  36 };
  37
  38 // Strings used to generate the serial number part of the version string.
  39 const char kSerialNumberPrefix[] = "SN:";
  40
  41 }  // namespace
  42
  43 ///////////////////////////////////////////////////////////////////////////////
  44 // VersionInfoUpdater public:
  45
  46 VersionInfoUpdater::VersionInfoUpdater(Delegate* delegate)
  47     : cros_settings_(chromeos::CrosSettings::Get()),
  48       delegate_(delegate),
  49       weak_pointer_factory_(this) {
  50 }
  51
  52 VersionInfoUpdater::~VersionInfoUpdater() {
  53   policy::BrowserPolicyConnectorChromeOS* connector =
  54       g_browser_process->platform_part()->browser_policy_connector_chromeos();
  55   policy::DeviceCloudPolicyManagerChromeOS* policy_manager =
  56       connector->GetDeviceCloudPolicyManager();
  57   if (policy_manager)
  58     policy_manager->core()->store()->RemoveObserver(this);
  59 }
  60
  61 void VersionInfoUpdater::StartUpdate(bool is_official_build) {
  62   if (base::SysInfo::IsRunningOnChromeOS()) {
  63     base::PostTaskAndReplyWithResult(
  64         content::BrowserThread::GetBlockingPool(),
  65         FROM_HERE,
  66         base::Bind(&version_loader::GetVersion,
  67                    is_official_build ? version_loader::VERSION_SHORT_WITH_DATE
  68                                      : version_loader::VERSION_FULL),
  69         base::Bind(&VersionInfoUpdater::OnVersion,
  70                    weak_pointer_factory_.GetWeakPtr()));
  71   } else {
  72     UpdateVersionLabel();
  73   }
  74
  75   policy::BrowserPolicyConnectorChromeOS* connector =
  76       g_browser_process->platform_part()->browser_policy_connector_chromeos();
  77   policy::DeviceCloudPolicyManagerChromeOS* policy_manager =
  78       connector->GetDeviceCloudPolicyManager();
  79   if (policy_manager) {
  80     policy_manager->core()->store()->AddObserver(this);
  81
  82     // Ensure that we have up-to-date enterprise info in case enterprise policy
  83     // is already fetched and has finished initialization.
  84     UpdateEnterpriseInfo();
  85   }
  86
  87   // Watch for changes to the reporting flags.
  88   base::Closure callback =
  89       base::Bind(&VersionInfoUpdater::UpdateEnterpriseInfo,
  90                  base::Unretained(this));
  91   for (unsigned int i = 0; i < arraysize(kReportingFlags); ++i) {
  92     subscriptions_.push_back(
  93         cros_settings_->AddSettingsObserver(kReportingFlags[i],
  94                                             callback).release());
  95   }
  96 }
  97
  98 void VersionInfoUpdater::UpdateVersionLabel() {
  99   if (version_text_.empty())
 100     return;
 101
 102   UpdateSerialNumberInfo();
 103
 104   std::string label_text = l10n_util::GetStringFUTF8(
 105       IDS_LOGIN_VERSION_LABEL_FORMAT,
 106       l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
 107       base::UTF8ToUTF16(version_info::GetVersionNumber()),
 108       base::UTF8ToUTF16(version_text_), base::UTF8ToUTF16(serial_number_text_));
 109
 110   // Workaround over incorrect width calculation in old fonts.
 111   // TODO(glotov): remove the following line when new fonts are used.
 112   label_text += ' ';
 113
 114   if (delegate_)
 115     delegate_->OnOSVersionLabelTextUpdated(label_text);
 116 }
 117
 118 void VersionInfoUpdater::UpdateEnterpriseInfo() {
 119   policy::BrowserPolicyConnectorChromeOS* connector =
 120       g_browser_process->platform_part()->browser_policy_connector_chromeos();
 121   SetEnterpriseInfo(connector->GetEnterpriseDomain(),
 122                     connector->GetDeviceAssetID());
 123 }
 124
 125 void VersionInfoUpdater::SetEnterpriseInfo(const std::string& domain_name,
 126                                            const std::string& asset_id) {
 127   // Update the notification about device status reporting.
 128   if (delegate_ && !domain_name.empty()) {
 129     std::string enterprise_info;
 130     enterprise_info = l10n_util::GetStringFUTF8(
 131         IDS_DEVICE_OWNED_BY_NOTICE,
 132         base::UTF8ToUTF16(domain_name));
 133     delegate_->OnEnterpriseInfoUpdated(enterprise_info, asset_id);
 134   }
 135 }
 136
 137 void VersionInfoUpdater::UpdateSerialNumberInfo() {
 138   std::string sn = policy::DeviceCloudPolicyManagerChromeOS::GetMachineID();
 139   if (!sn.empty()) {
 140     serial_number_text_ = kSerialNumberPrefix;
 141     serial_number_text_.append(sn);
 142   }
 143 }
 144
 145 void VersionInfoUpdater::OnVersion(const std::string& version) {
 146   version_text_ = version;
 147   UpdateVersionLabel();
 148 }
 149
 150 void VersionInfoUpdater::OnStoreLoaded(policy::CloudPolicyStore* store) {
 151   UpdateEnterpriseInfo();
 152 }
 153
 154 void VersionInfoUpdater::OnStoreError(policy::CloudPolicyStore* store) {
 155   UpdateEnterpriseInfo();
 156 }
 157
 158 }  // namespace chromeos