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