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