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 "chromeos/settings/cros_settings_names.h"
23 #include "ui/base/l10n/l10n_util.h"
24
25 namespace chromeos {
26
27 namespace {
28
29 const char* kReportingFlags[] = {
30 chromeos::kReportDeviceVersionInfo,
31 chromeos::kReportDeviceActivityTimes,
32 chromeos::kReportDeviceBootMode,
33 chromeos::kReportDeviceLocation,
34 };
35
36 }
37
38 ///////////////////////////////////////////////////////////////////////////////
39 // VersionInfoUpdater public:
40
VersionInfoUpdater(Delegate * delegate)41 VersionInfoUpdater::VersionInfoUpdater(Delegate* delegate)
42 : cros_settings_(chromeos::CrosSettings::Get()),
43 delegate_(delegate),
44 weak_pointer_factory_(this) {
45 }
46
~VersionInfoUpdater()47 VersionInfoUpdater::~VersionInfoUpdater() {
48 policy::BrowserPolicyConnectorChromeOS* connector =
49 g_browser_process->platform_part()->browser_policy_connector_chromeos();
50 policy::DeviceCloudPolicyManagerChromeOS* policy_manager =
51 connector->GetDeviceCloudPolicyManager();
52 if (policy_manager)
53 policy_manager->core()->store()->RemoveObserver(this);
54 }
55
StartUpdate(bool is_official_build)56 void VersionInfoUpdater::StartUpdate(bool is_official_build) {
57 if (base::SysInfo::IsRunningOnChromeOS()) {
58 version_loader_.GetVersion(
59 is_official_build ? VersionLoader::VERSION_SHORT_WITH_DATE
60 : VersionLoader::VERSION_FULL,
61 base::Bind(&VersionInfoUpdater::OnVersion,
62 weak_pointer_factory_.GetWeakPtr()),
63 &tracker_);
64 } else {
65 UpdateVersionLabel();
66 }
67
68 policy::BrowserPolicyConnectorChromeOS* connector =
69 g_browser_process->platform_part()->browser_policy_connector_chromeos();
70 policy::DeviceCloudPolicyManagerChromeOS* policy_manager =
71 connector->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
UpdateVersionLabel()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 base::UTF8ToUTF16(version_info.Version()),
100 base::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
UpdateEnterpriseInfo()110 void VersionInfoUpdater::UpdateEnterpriseInfo() {
111 policy::BrowserPolicyConnectorChromeOS* connector =
112 g_browser_process->platform_part()->browser_policy_connector_chromeos();
113 SetEnterpriseInfo(connector->GetEnterpriseDomain());
114 }
115
SetEnterpriseInfo(const std::string & domain_name)116 void VersionInfoUpdater::SetEnterpriseInfo(const std::string& domain_name) {
117 // Update the notification about device status reporting.
118 if (delegate_ && !domain_name.empty()) {
119 std::string enterprise_info;
120 enterprise_info = l10n_util::GetStringFUTF8(
121 IDS_DEVICE_OWNED_BY_NOTICE,
122 base::UTF8ToUTF16(domain_name));
123 delegate_->OnEnterpriseInfoUpdated(enterprise_info);
124 }
125 }
126
OnVersion(const std::string & version)127 void VersionInfoUpdater::OnVersion(const std::string& version) {
128 version_text_ = version;
129 UpdateVersionLabel();
130 }
131
OnStoreLoaded(policy::CloudPolicyStore * store)132 void VersionInfoUpdater::OnStoreLoaded(policy::CloudPolicyStore* store) {
133 UpdateEnterpriseInfo();
134 }
135
OnStoreError(policy::CloudPolicyStore * store)136 void VersionInfoUpdater::OnStoreError(policy::CloudPolicyStore* store) {
137 UpdateEnterpriseInfo();
138 }
139
140 } // namespace chromeos
141