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/device_cloud_policy_manager_chromeos.h"
  17 #include "chrome/browser/chromeos/settings/cros_settings.h"
  18 #include "chrome/browser/policy/browser_policy_connector.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::DeviceCloudPolicyManagerChromeOS* policy_manager =
  51       g_browser_process->browser_policy_connector()->
  52           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::DeviceCloudPolicyManagerChromeOS* policy_manager =
  70       g_browser_process->browser_policy_connector()->
  71           GetDeviceCloudPolicyManager();
  72   if (policy_manager) {
  73     policy_manager->core()->store()->AddObserver(this);
  74
  75     // Ensure that we have up-to-date enterprise info in case enterprise policy
  76     // is already fetched and has finished initialization.
  77     UpdateEnterpriseInfo();
  78   }
  79
  80   // Watch for changes to the reporting flags.
  81   base::Closure callback =
  82       base::Bind(&VersionInfoUpdater::UpdateEnterpriseInfo,
  83                  base::Unretained(this));
  84   for (unsigned int i = 0; i < arraysize(kReportingFlags); ++i) {
  85     subscriptions_.push_back(
  86         cros_settings_->AddSettingsObserver(kReportingFlags[i],
  87                                             callback).release());
  88   }
  89 }
  90
  91 void VersionInfoUpdater::UpdateVersionLabel() {
  92   if (version_text_.empty())
  93     return;
  94
  95   chrome::VersionInfo version_info;
  96   std::string label_text = l10n_util::GetStringFUTF8(
  97       IDS_LOGIN_VERSION_LABEL_FORMAT,
  98       l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
  99       UTF8ToUTF16(version_info.Version()),
 100       UTF8ToUTF16(version_text_));
 101
 102   // Workaround over incorrect width calculation in old fonts.
 103   // TODO(glotov): remove the following line when new fonts are used.
 104   label_text += ' ';
 105
 106   if (delegate_)
 107     delegate_->OnOSVersionLabelTextUpdated(label_text);
 108 }
 109
 110 void VersionInfoUpdater::UpdateEnterpriseInfo() {
 111   SetEnterpriseInfo(
 112       g_browser_process->browser_policy_connector()->GetEnterpriseDomain());
 113 }
 114
 115 void VersionInfoUpdater::SetEnterpriseInfo(const std::string& domain_name) {
 116   // Update the notification about device status reporting.
 117   if (delegate_ && !domain_name.empty()) {
 118     std::string enterprise_info;
 119     enterprise_info = l10n_util::GetStringFUTF8(
 120         IDS_DEVICE_OWNED_BY_NOTICE,
 121         UTF8ToUTF16(domain_name));
 122     delegate_->OnEnterpriseInfoUpdated(enterprise_info);
 123   }
 124 }
 125
 126 void VersionInfoUpdater::OnVersion(const std::string& version) {
 127   version_text_ = version;
 128   UpdateVersionLabel();
 129 }
 130
 131 void VersionInfoUpdater::OnStoreLoaded(policy::CloudPolicyStore* store) {
 132   UpdateEnterpriseInfo();
 133 }
 134
 135 void VersionInfoUpdater::OnStoreError(policy::CloudPolicyStore* store) {
 136   UpdateEnterpriseInfo();
 137 }
 138
 139 }  // namespace chromeos