chrome/browser/ui/webui/chromeos/login/kiosk_app_menu_handler.cc

   1 // Copyright 2013 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/ui/webui/chromeos/login/kiosk_app_menu_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/command_line.h"
   9 #include "base/values.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/chrome_notification_types.h"
  12 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
  13 #include "chrome/browser/chromeos/login/existing_user_controller.h"
  14 #include "chrome/browser/policy/browser_policy_connector.h"
  15 #include "chromeos/chromeos_switches.h"
  16 #include "content/public/browser/notification_details.h"
  17 #include "content/public/browser/notification_service.h"
  18 #include "content/public/browser/web_ui.h"
  19 #include "grit/generated_resources.h"
  20 #include "ui/base/l10n/l10n_util.h"
  21 #include "ui/base/webui/web_ui_util.h"
  22
  23 namespace chromeos {
  24
  25 KioskAppMenuHandler::KioskAppMenuHandler()
  26     : initialized_(false),
  27       weak_ptr_factory_(this) {
  28   KioskAppManager::Get()->AddObserver(this);
  29 }
  30
  31 KioskAppMenuHandler::~KioskAppMenuHandler() {
  32   KioskAppManager::Get()->RemoveObserver(this);
  33 }
  34
  35 void KioskAppMenuHandler::GetLocalizedStrings(
  36     base::DictionaryValue* localized_strings) {
  37   localized_strings->SetString(
  38       "showApps",
  39       l10n_util::GetStringUTF16(IDS_KIOSK_APPS_BUTTON));
  40 }
  41
  42 void KioskAppMenuHandler::RegisterMessages() {
  43   web_ui()->RegisterMessageCallback("initializeKioskApps",
  44       base::Bind(&KioskAppMenuHandler::HandleInitializeKioskApps,
  45                  base::Unretained(this)));
  46   web_ui()->RegisterMessageCallback("kioskAppsLoaded",
  47       base::Bind(&KioskAppMenuHandler::HandleKioskAppsLoaded,
  48                  base::Unretained(this)));
  49   web_ui()->RegisterMessageCallback("checkKioskAppLaunchError",
  50       base::Bind(&KioskAppMenuHandler::HandleCheckKioskAppLaunchError,
  51                  base::Unretained(this)));
  52 }
  53
  54 void KioskAppMenuHandler::SendKioskApps() {
  55   if (!initialized_)
  56     return;
  57
  58   KioskAppManager::Apps apps;
  59   KioskAppManager::Get()->GetApps(&apps);
  60
  61   base::ListValue apps_list;
  62   for (size_t i = 0; i < apps.size(); ++i) {
  63     const KioskAppManager::App& app_data = apps[i];
  64
  65     scoped_ptr<base::DictionaryValue> app_info(new base::DictionaryValue);
  66     app_info->SetString("id", app_data.app_id);
  67     app_info->SetString("label", app_data.name);
  68
  69     // TODO(xiyuan): Replace data url with a URLDataSource.
  70     std::string icon_url("chrome://theme/IDR_APP_DEFAULT_ICON");
  71     if (!app_data.icon.isNull())
  72       icon_url = webui::GetBitmapDataUrl(*app_data.icon.bitmap());
  73     app_info->SetString("iconUrl", icon_url);
  74
  75     apps_list.Append(app_info.release());
  76   }
  77
  78   web_ui()->CallJavascriptFunction("login.AppsMenuButton.setApps",
  79                                    apps_list);
  80 }
  81
  82 void KioskAppMenuHandler::HandleInitializeKioskApps(
  83     const base::ListValue* args) {
  84   if (g_browser_process->browser_policy_connector()->IsEnterpriseManaged()) {
  85     initialized_ = true;
  86     SendKioskApps();
  87     return;
  88   }
  89
  90   KioskAppManager::Get()->GetConsumerKioskModeStatus(
  91       base::Bind(&KioskAppMenuHandler::OnGetConsumerKioskModeStatus,
  92                  weak_ptr_factory_.GetWeakPtr()));
  93 }
  94
  95 void KioskAppMenuHandler::OnGetConsumerKioskModeStatus(
  96     KioskAppManager::ConsumerKioskModeStatus status) {
  97   initialized_ =
  98       status == KioskAppManager::CONSUMER_KIOSK_MODE_ENABLED;
  99   SendKioskApps();
 100 }
 101
 102 void KioskAppMenuHandler::HandleKioskAppsLoaded(
 103     const base::ListValue* args) {
 104   content::NotificationService::current()->Notify(
 105       chrome::NOTIFICATION_KIOSK_APPS_LOADED,
 106       content::NotificationService::AllSources(),
 107       content::NotificationService::NoDetails());
 108 }
 109
 110 void KioskAppMenuHandler::HandleCheckKioskAppLaunchError(
 111     const base::ListValue* args) {
 112   KioskAppLaunchError::Error error = KioskAppLaunchError::Get();
 113   if (error == KioskAppLaunchError::NONE)
 114     return;
 115   KioskAppLaunchError::Clear();
 116
 117   const std::string error_message = KioskAppLaunchError::GetErrorMessage(error);
 118   web_ui()->CallJavascriptFunction("login.AppsMenuButton.showError",
 119                                    base::StringValue(error_message));
 120 }
 121
 122 void KioskAppMenuHandler::OnKioskAppsSettingsChanged() {
 123   SendKioskApps();
 124 }
 125
 126 void KioskAppMenuHandler::OnKioskAppDataChanged(const std::string& app_id) {
 127   SendKioskApps();
 128 }
 129
 130 }  // namespace chromeos