Revert 117136 - separate about page into its own page (included in chrome://chrome)

chrome/browser/ui/webui/about_page/about_page_handler.cc

Index: chrome/browser/ui/webui/about_page/about_page_handler.cc
===================================================================
--- chrome/browser/ui/webui/about_page/about_page_handler.cc	(revision 117138)
+++ chrome/browser/ui/webui/about_page/about_page_handler.cc	(working copy)
@@ -1,469 +0,0 @@
-// 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/about_page/about_page_handler.h"
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/command_line.h"
-#include "base/i18n/time_formatting.h"
-#include "base/string16.h"
-#include "base/string_number_conversions.h"
-#include "base/time.h"
-#include "base/utf_string_conversions.h"
-#include "base/values.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/chromeos/cros_settings.h"
-#include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
-#include "chrome/browser/chromeos/dbus/power_manager_client.h"
-#include "chrome/browser/chromeos/dbus/update_engine_client.h"
-#include "chrome/browser/chromeos/login/user_manager.h"
-#include "chrome/browser/chromeos/login/wizard_controller.h"
-#include "chrome/browser/google/google_util.h"
-#include "chrome/browser/policy/browser_policy_connector.h"
-#include "chrome/common/chrome_version_info.h"
-#include "chrome/common/url_constants.h"
-#include "content/browser/webui/web_ui.h"
-#include "content/public/common/content_client.h"
-#include "googleurl/src/gurl.h"
-#include "grit/chromium_strings.h"
-#include "grit/generated_resources.h"
-#include "grit/locale_settings.h"
-#include "grit/theme_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "v8/include/v8.h"
-#include "webkit/glue/user_agent.h"
-#include "webkit/glue/webkit_glue.h"
-#include "webkit/glue/user_agent.h"
-
-namespace {
-
-// These are used as placeholder text around the links in the text in the
-// license.
-const char kBeginLink[] = "BEGIN_LINK";
-const char kEndLink[] = "END_LINK";
-const char kBeginLinkChr[] = "BEGIN_LINK_CHR";
-const char kBeginLinkOss[] = "BEGIN_LINK_OSS";
-const char kEndLinkChr[] = "END_LINK_CHR";
-const char kEndLinkOss[] = "END_LINK_OSS";
-const char kBeginLinkCrosOss[] = "BEGIN_LINK_CROS_OSS";
-const char kEndLinkCrosOss[] = "END_LINK_CROS_OSS";
-
-const char kDomainChangable[] = "domain";
-
-// Returns a substring [start, end) from |text|.
-std::string StringSubRange(const std::string& text, size_t start,
-                           size_t end) {
-  DCHECK(end > start);
-  return text.substr(start, end - start);
-}
-
-bool CanChangeReleaseChannel() {
-  // On non managed machines we have local owner who is the only one to change
-  // anything.
-  if (chromeos::UserManager::Get()->current_user_is_owner())
-    return true;
-  // On a managed machine we delegate this setting to the users of the same
-  // domain only if the policy value is "domain".
-  if (g_browser_process->browser_policy_connector()->IsEnterpriseManaged()) {
-    std::string value;
-    chromeos::CrosSettings::Get()->GetString(chromeos::kReleaseChannel, &value);
-    if (value != kDomainChangable)
-      return false;
-    // Get the currently logged in user and strip the domain part only.
-    std::string domain = "";
-    std::string user = chromeos::UserManager::Get()->logged_in_user().email();
-    size_t at_pos = user.find('@');
-    if (at_pos != std::string::npos && at_pos + 1 < user.length())
-      domain = user.substr(user.find('@') + 1);
-    return domain == g_browser_process->browser_policy_connector()->
-        GetEnterpriseDomain();
-  }
-  return false;
-}
-
-}  // namespace
-
-using chromeos::DBusThreadManager;
-using chromeos::UpdateEngineClient;
-using chromeos::UserManager;
-using chromeos::VersionLoader;
-using chromeos::WizardController;
-
-class AboutPageHandler::UpdateObserver
-    : public UpdateEngineClient::Observer {
- public:
-  explicit UpdateObserver(AboutPageHandler* handler) : page_handler_(handler) {}
-  virtual ~UpdateObserver() {}
-
-  AboutPageHandler* page_handler() const { return page_handler_; }
-
- private:
-  virtual void UpdateStatusChanged(
-      const UpdateEngineClient::Status& status) OVERRIDE {
-    page_handler_->UpdateStatus(status);
-  }
-
-  AboutPageHandler* page_handler_;
-
-  DISALLOW_COPY_AND_ASSIGN(UpdateObserver);
-};
-
-AboutPageHandler::AboutPageHandler()
-    : progress_(-1),
-      sticky_(false),
-      started_(false) {
-}
-
-AboutPageHandler::~AboutPageHandler() {
-  if (update_observer_.get()) {
-    DBusThreadManager::Get()->GetUpdateEngineClient()->
-        RemoveObserver(update_observer_.get());
-  }
-}
-
-void AboutPageHandler::GetLocalizedValues(DictionaryValue* localized_strings) {
-  DCHECK(localized_strings);
-  DCHECK(localized_strings->empty());
-
-  struct L10nResources {
-    const char* name;
-    int ids;
-  };
-
-  static L10nResources resources[] = {
-    { "pageTitle", IDS_ABOUT_TAB_TITLE },
-    { "firmware", IDS_ABOUT_PAGE_FIRMWARE },
-    { "product", IDS_PRODUCT_OS_NAME },
-    { "os", IDS_PRODUCT_OS_NAME },
-    { "platform", IDS_PLATFORM_LABEL },
-    { "loading", IDS_ABOUT_PAGE_LOADING },
-    { "check_now", IDS_ABOUT_PAGE_CHECK_NOW },
-    { "update_status", IDS_UPGRADE_CHECK_STARTED },
-    { "restart_now", IDS_RELAUNCH_AND_UPDATE },
-    { "browser", IDS_PRODUCT_NAME },
-    { "more_info", IDS_ABOUT_PAGE_MORE_INFO },
-    { "copyright", IDS_ABOUT_VERSION_COPYRIGHT },
-    { "channel", IDS_ABOUT_PAGE_CHANNEL },
-    { "stable", IDS_ABOUT_PAGE_CHANNEL_STABLE },
-    { "beta", IDS_ABOUT_PAGE_CHANNEL_BETA },
-    { "dev", IDS_ABOUT_PAGE_CHANNEL_DEVELOPMENT },
-    { "canary", IDS_ABOUT_PAGE_CHANNEL_CANARY },
-    { "channel_warning_header", IDS_ABOUT_PAGE_CHANNEL_WARNING_HEADER },
-    { "channel_warning_text", IDS_ABOUT_PAGE_CHANNEL_WARNING_TEXT },
-    { "user_agent", IDS_ABOUT_VERSION_USER_AGENT },
-    { "command_line", IDS_ABOUT_VERSION_COMMAND_LINE },
-  };
-
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(resources); ++i) {
-    localized_strings->SetString(resources[i].name,
-                                 l10n_util::GetStringUTF16(resources[i].ids));
-  }
-
-  // browser version
-
-  chrome::VersionInfo version_info;
-  DCHECK(version_info.is_valid());
-
-  std::string browser_version = version_info.Version();
-  std::string version_modifier =
-      chrome::VersionInfo::GetVersionStringModifier();
-  if (!version_modifier.empty())
-    browser_version += " " + version_modifier;
-
-#if !defined(GOOGLE_CHROME_BUILD)
-  browser_version += " (";
-  browser_version += version_info.LastChange();
-  browser_version += ")";
-#endif
-
-  localized_strings->SetString("browser_version", browser_version);
-
-  // license
-
-  std::string text = l10n_util::GetStringUTF8(IDS_ABOUT_VERSION_LICENSE);
-
-  bool chromium_url_appears_first =
-      text.find(kBeginLinkChr) < text.find(kBeginLinkOss);
-
-  size_t link1 = text.find(kBeginLink);
-  DCHECK(link1 != std::string::npos);
-  size_t link1_end = text.find(kEndLink, link1);
-  DCHECK(link1_end != std::string::npos);
-  size_t link2 = text.find(kBeginLink, link1_end);
-  DCHECK(link2 != std::string::npos);
-  size_t link2_end = text.find(kEndLink, link2);
-  DCHECK(link2_end != std::string::npos);
-
-  localized_strings->SetString("license_content_0", text.substr(0, link1));
-  localized_strings->SetString("license_content_1",
-      StringSubRange(text, link1_end + strlen(kEndLinkOss), link2));
-  localized_strings->SetString("license_content_2",
-      text.substr(link2_end + strlen(kEndLinkOss)));
-
-  // The Chromium link within the main text of the dialog.
-  localized_strings->SetString(chromium_url_appears_first ?
-      "license_link_content_0" : "license_link_content_1",
-      StringSubRange(text,
-                     text.find(kBeginLinkChr) + strlen(kBeginLinkChr),
-                     text.find(kEndLinkChr)));
-  GURL url = google_util::AppendGoogleLocaleParam(
-      GURL(chrome::kChromiumProjectURL));
-  localized_strings->SetString(chromium_url_appears_first ?
-      "license_link_0" : "license_link_1", url.spec());
-
-  // The Open Source link within the main text of the dialog.
-  localized_strings->SetString(chromium_url_appears_first ?
-      "license_link_content_1" : "license_link_content_0",
-      StringSubRange(text,
-                     text.find(kBeginLinkOss) + strlen(kBeginLinkOss),
-                     text.find(kEndLinkOss)));
-  localized_strings->SetString(chromium_url_appears_first ?
-      "license_link_1" : "license_link_0", chrome::kChromeUICreditsURL);
-
-  std::string cros_text =
-      l10n_util::GetStringUTF8(IDS_ABOUT_CROS_VERSION_LICENSE);
-
-  size_t cros_link = cros_text.find(kBeginLinkCrosOss);
-  DCHECK(cros_link != std::string::npos);
-  size_t cros_link_end = cros_text.find(kEndLinkCrosOss, cros_link);
-  DCHECK(cros_link_end != std::string::npos);
-
-  localized_strings->SetString("cros_license_content_0",
-      cros_text.substr(0, cros_link));
-  localized_strings->SetString("cros_license_content_1",
-      cros_text.substr(cros_link_end + strlen(kEndLinkCrosOss)));
-  localized_strings->SetString("cros_license_link_content_0",
-      StringSubRange(cros_text, cros_link + strlen(kBeginLinkCrosOss),
-                     cros_link_end));
-  localized_strings->SetString("cros_license_link_0",
-      chrome::kChromeUIOSCreditsURL);
-
-  // webkit
-
-  localized_strings->SetString("webkit_version",
-                               webkit_glue::GetWebKitVersion());
-
-  // javascript
-
-  localized_strings->SetString("js_engine", "V8");
-  localized_strings->SetString("js_engine_version", v8::V8::GetVersion());
-
-  // user agent
-
-  localized_strings->SetString("user_agent_info",
-                               content::GetUserAgent(GURL()));
-
-  // command line
-
-#if defined(OS_WIN)
-  localized_strings->SetString("command_line_info",
-      WideToUTF16(CommandLine::ForCurrentProcess()->GetCommandLineString()));
-#elif defined(OS_POSIX)
-  // TODO(viettrungluu): something horrible might happen if there are non-UTF-8
-  // arguments (since |SetString()| requires Unicode).
-  std::string command_line = "";
-  typedef std::vector<std::string> ArgvList;
-  const ArgvList& argv = CommandLine::ForCurrentProcess()->argv();
-  for (ArgvList::const_iterator iter = argv.begin(); iter != argv.end(); iter++)
-    command_line += " " + *iter;
-  localized_strings->SetString("command_line_info", command_line);
-#endif
-}
-
-void AboutPageHandler::RegisterMessages() {
-  web_ui()->RegisterMessageCallback("PageReady",
-      base::Bind(&AboutPageHandler::PageReady, base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("SetReleaseTrack",
-      base::Bind(&AboutPageHandler::SetReleaseTrack, base::Unretained(this)));
-
-  web_ui()->RegisterMessageCallback("CheckNow",
-      base::Bind(&AboutPageHandler::CheckNow, base::Unretained(this)));
-  web_ui()->RegisterMessageCallback("RestartNow",
-      base::Bind(&AboutPageHandler::RestartNow, base::Unretained(this)));
-}
-
-void AboutPageHandler::PageReady(const ListValue* args) {
-  // Version information is loaded from a callback
-  loader_.GetVersion(&consumer_,
-                     base::Bind(&AboutPageHandler::OnOSVersion,
-                                base::Unretained(this)),
-                     VersionLoader::VERSION_FULL);
-  loader_.GetFirmware(&consumer_,
-                      base::Bind(&AboutPageHandler::OnOSFirmware,
-                                 base::Unretained(this)));
-
-  scoped_ptr<base::Value> can_change_channel_value(
-      base::Value::CreateBooleanValue(CanChangeReleaseChannel()));
-  web_ui()->CallJavascriptFunction(
-      "AboutPage.updateEnableReleaseChannelCallback",
-      *can_change_channel_value);
-
-  UpdateEngineClient* update_engine_client =
-      DBusThreadManager::Get()->GetUpdateEngineClient();
-
-  update_observer_.reset(new UpdateObserver(this));
-  update_engine_client->AddObserver(update_observer_.get());
-
-  // Update the WebUI page with the current status. See comments below.
-  UpdateStatus(update_engine_client->GetLastStatus());
-
-  // Initiate update check. UpdateStatus() below will be called when we
-  // get update status via update_observer_. If the update has been
-  // already complete, update_observer_ won't receive a notification.
-  // This is why we manually update the WebUI page above.
-  CheckNow(NULL);
-
-  // Request the channel information. Use the observer to track the about
-  // page handler and ensure it does not get deleted before the callback.
-  update_engine_client->GetReleaseTrack(
-      base::Bind(UpdateSelectedChannel, update_observer_.get()));
-}
-
-void AboutPageHandler::SetReleaseTrack(const ListValue* args) {
-  if (!CanChangeReleaseChannel()) {
-    LOG(WARNING) << "Non-owner tried to change release track.";
-    return;
-  }
-  const std::string channel = UTF16ToUTF8(ExtractStringValue(args));
-  DBusThreadManager::Get()->GetUpdateEngineClient()->SetReleaseTrack(channel);
-  // For local owner set the field in the policy blob too.
-  if (UserManager::Get()->current_user_is_owner())
-    CrosSettings::Get()->SetString(kReleaseChannel, channel);
-}
-
-void AboutPageHandler::CheckNow(const ListValue* args) {
-  // Make sure that libcros is loaded and OOBE is complete.
-  if (!WizardController::default_controller() ||
-      WizardController::IsDeviceRegistered()) {
-    DBusThreadManager::Get()->GetUpdateEngineClient()->
-        RequestUpdateCheck(UpdateEngineClient::EmptyUpdateCheckCallback());
-  }
-}
-
-void AboutPageHandler::RestartNow(const ListValue* args) {
-  DBusThreadManager::Get()->GetPowerManagerClient()->RequestRestart();
-}
-
-void AboutPageHandler::UpdateStatus(
-    const UpdateEngineClient::Status& status) {
-  string16 message;
-  std::string image = "up-to-date";
-  bool enabled = false;
-
-  switch (status.status) {
-    case UpdateEngineClient::UPDATE_STATUS_IDLE:
-      if (!sticky_) {
-        message = l10n_util::GetStringFUTF16(IDS_UPGRADE_ALREADY_UP_TO_DATE,
-            l10n_util::GetStringUTF16(IDS_PRODUCT_OS_NAME));
-        enabled = true;
-      }
-      break;
-    case UpdateEngineClient::UPDATE_STATUS_CHECKING_FOR_UPDATE:
-      message = l10n_util::GetStringUTF16(IDS_UPGRADE_CHECK_STARTED);
-      sticky_ = false;
-      break;
-    case UpdateEngineClient::UPDATE_STATUS_UPDATE_AVAILABLE:
-      message = l10n_util::GetStringUTF16(IDS_UPDATE_AVAILABLE);
-      started_ = true;
-      break;
-    case UpdateEngineClient::UPDATE_STATUS_DOWNLOADING:
-    {
-      int progress = static_cast<int>(status.download_progress * 100.0);
-      if (progress != progress_) {
-        progress_ = progress;
-        message = l10n_util::GetStringFUTF16Int(IDS_UPDATE_DOWNLOADING,
-                                                progress_);
-      }
-      started_ = true;
-    }
-      break;
-    case UpdateEngineClient::UPDATE_STATUS_VERIFYING:
-      message = l10n_util::GetStringUTF16(IDS_UPDATE_VERIFYING);
-      started_ = true;
-      break;
-    case UpdateEngineClient::UPDATE_STATUS_FINALIZING:
-      message = l10n_util::GetStringUTF16(IDS_UPDATE_FINALIZING);
-      started_ = true;
-      break;
-    case UpdateEngineClient::UPDATE_STATUS_UPDATED_NEED_REBOOT:
-      message = l10n_util::GetStringUTF16(IDS_UPDATE_COMPLETED);
-      image = "available";
-      sticky_ = true;
-      break;
-    default:
-    // case UpdateEngineClient::UPDATE_STATUS_ERROR:
-    // case UpdateEngineClient::UPDATE_STATUS_REPORTING_ERROR_EVENT:
-
-    // The error is only displayed if we were able to determine an
-    // update was available.
-      if (started_) {
-        message = l10n_util::GetStringUTF16(IDS_UPDATE_ERROR);
-        image = "fail";
-        enabled = true;
-        sticky_ = true;
-        started_ = false;
-      }
-      break;
-  }
-  if (message.size()) {
-    scoped_ptr<Value> update_message(Value::CreateStringValue(message));
-    // "Checking for update..." needs to be shown for a while, so users
-    // can read it, hence insert delay for this.
-    scoped_ptr<Value> insert_delay(Value::CreateBooleanValue(
-        status.status ==
-        UpdateEngineClient::UPDATE_STATUS_CHECKING_FOR_UPDATE));
-    web_ui()->CallJavascriptFunction("AboutPage.updateStatusCallback",
-                                     *update_message, *insert_delay);
-
-    scoped_ptr<Value> enabled_value(Value::CreateBooleanValue(enabled));
-    web_ui()->CallJavascriptFunction("AboutPage.updateEnableCallback",
-                                     *enabled_value);
-
-    scoped_ptr<Value> image_string(Value::CreateStringValue(image));
-    web_ui()->CallJavascriptFunction("AboutPage.setUpdateImage",
-                                     *image_string);
-  }
-  // We'll change the "Check For Update" button to "Restart" button.
-  if (status.status == UpdateEngineClient::UPDATE_STATUS_UPDATED_NEED_REBOOT) {
-    web_ui()->CallJavascriptFunction("AboutPage.changeToRestartButton");
-  }
-}
-
-void AboutPageHandler::OnOSVersion(VersionLoader::Handle handle,
-                                   std::string version) {
-  if (version.size()) {
-    scoped_ptr<Value> version_string(Value::CreateStringValue(version));
-    web_ui()->CallJavascriptFunction("AboutPage.updateOSVersionCallback",
-                                     *version_string);
-  }
-}
-
-void AboutPageHandler::OnOSFirmware(VersionLoader::Handle handle,
-                                    std::string firmware) {
-  if (firmware.size()) {
-    scoped_ptr<Value> firmware_string(Value::CreateStringValue(firmware));
-    web_ui()->CallJavascriptFunction("AboutPage.updateOSFirmwareCallback",
-                                     *firmware_string);
-  }
-}
-
-// Callback from UpdateEngine with channel information.
-// static
-void AboutPageHandler::UpdateSelectedChannel(UpdateObserver* observer,
-                                             const std::string& channel) {
-  if (DBusThreadManager::Get()->GetUpdateEngineClient()
-      ->HasObserver(observer)) {
-    // If UpdateEngineClient still has the observer, then the page handler
-    // is valid.
-    AboutPageHandler* handler = observer->page_handler();
-    scoped_ptr<Value> channel_string(Value::CreateStringValue(channel));
-    handler->web_ui()->CallJavascriptFunction(
-        "AboutPage.updateSelectedOptionCallback", *channel_string);
-  }
-}