Implementation of Device End of Life Notification

chrome/browser/ui/webui/help/help_handler.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/help/help_handler.h"
 
 #include <stddef.h>
 
 #include <string>
 
 #include "ash/system/chromeos/devicetype_utils.h"
+#include "base/base_switches.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/i18n/message_formatter.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
@@ skipping 44 matching lines @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chromeos/image_source.h"
 #include "chrome/browser/ui/webui/help/help_utils_chromeos.h"
 #include "chrome/browser/ui/webui/help/version_updater_chromeos.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "chromeos/system/statistics_provider.h"
 #include "components/prefs/pref_service.h"
 #include "components/user_manager/user_manager.h"
+#include "third_party/cros_system_api/dbus/update_engine/dbus-constants.h"
 #endif
 
 using base::ListValue;
 using content::BrowserThread;
 
 namespace {
 
 #if defined(OS_CHROMEOS)
 
 // Directory containing the regulatory labels for supported regions.
@@ skipping 112 matching lines @@
   base::FilePath text_path(chrome::kChromeOSAssetPath);
   text_path = text_path.Append(path);
   text_path = text_path.AppendASCII(kRegulatoryLabelTextFilename);
 
   std::string contents;
   if (base::ReadFileToString(text_path, &contents))
     return contents;
   return std::string();
 }
 
+// Returns messages that applys to this eol status
+base::string16 GetEolMessage(int status) {
+  if (status == update_engine::EndOfLifeStatus::kSecurityOnly) {
+    return l10n_util::GetStringFUTF16(
+        IDS_ABOUT_PAGE_EOL_SECURITY_ONLY,
+        base::ASCIIToUTF16(chrome::kEolNotificationURL),
+        base::ASCIIToUTF16(chrome::kEolNotificationURL));

[xiyuan, 2016/06/17 20:02:10]

Think we only need one chrome::kEolNotificationURL since the template only needs
one replacement arg.

[xiaoyinh(OOO Sep 11-29), 2016/06/17 22:36:53]

Done.

+
+  } else {
+    return l10n_util::GetStringFUTF16(
+        IDS_ABOUT_PAGE_EOL_EOL, base::ASCIIToUTF16(chrome::kEolNotificationURL),
+        base::ASCIIToUTF16(chrome::kEolNotificationURL));

[xiyuan, 2016/06/17 20:02:10]

same here.

[xiaoyinh(OOO Sep 11-29), 2016/06/17 22:36:53]

Done.

+  }
+}
+
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace
 
 HelpHandler::HelpHandler()
     : policy_registrar_(
         g_browser_process->policy_service(),
         policy::PolicyNamespace(policy::POLICY_DOMAIN_CHROME, std::string())),
       weak_factory_(this) {
 }
@@ skipping 291 matching lines @@
       "help.HelpPage.updateIsEnterpriseManaged",
       base::FundamentalValue(IsEnterpriseManaged()));
   // First argument to GetChannel() is a flag that indicates whether
   // current channel should be returned (if true) or target channel
   // (otherwise).
   version_updater_->GetChannel(true,
       base::Bind(&HelpHandler::OnCurrentChannel, weak_factory_.GetWeakPtr()));
   version_updater_->GetChannel(false,
       base::Bind(&HelpHandler::OnTargetChannel, weak_factory_.GetWeakPtr()));
 
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          chromeos::switches::kEnableEolNotification)) {
+    version_updater_->GetEolStatus(
+        base::Bind(&HelpHandler::OnEolStatus, weak_factory_.GetWeakPtr()));
+  }
+
   base::PostTaskAndReplyWithResult(
       content::BrowserThread::GetBlockingPool(),
       FROM_HERE,
       base::Bind(&FindRegulatoryLabelDir),
       base::Bind(&HelpHandler::OnRegulatoryLabelDirFound,
                  weak_factory_.GetWeakPtr()));
 #endif
 }
 
 #if defined(OS_MACOSX)
@@ skipping 206 matching lines @@
                                          base::StringValue(url));
 }
 
 void HelpHandler::OnRegulatoryLabelTextRead(const std::string& text) {
   // Remove unnecessary whitespace.
   web_ui()->CallJavascriptFunctionUnsafe(
       "help.HelpPage.setRegulatoryLabelText",
       base::StringValue(base::CollapseWhitespaceASCII(text, true)));
 }
 
+void HelpHandler::OnEolStatus(const int status) {
+  if (status == update_engine::EndOfLifeStatus::kSupported ||
+      IsEnterpriseManaged()) {
+    return;
+  }
+
+  if (status == update_engine::EndOfLifeStatus::kSupported) {
+    web_ui()->CallJavascriptFunctionUnsafe(
+        "help.HelpPage.updateEolMessage", base::StringValue("device_supported"),
+        base::StringValue(""));
+  } else {
+    base::string16 message = GetEolMessage(status);
+    web_ui()->CallJavascriptFunctionUnsafe(
+        "help.HelpPage.updateEolMessage", base::StringValue("device_endoflife"),
+        base::StringValue(message));
+  }
+}
+
 #endif  // defined(OS_CHROMEOS)