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/sys_info.h"
  10 #include "base/values.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/chrome_notification_types.h"
  13 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
  14 #include "chrome/browser/chromeos/login/existing_user_controller.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 namespace {
  26
  27 // JS functions that define new and old kiosk UI API.
  28 const char kKioskSetAppsNewAPI[] = "login.AccountPickerScreen.setApps";
  29 const char kKioskSetAppsOldAPI[] = "login.AppsMenuButton.setApps";
  30 const char kKioskShowErrorNewAPI[] = "login.AccountPickerScreen.showAppError";
  31 const char kKioskShowErrorOldAPI[] = "login.AppsMenuButton.showError";
  32
  33 }  // namespace
  34
  35 KioskAppMenuHandler::KioskAppMenuHandler()
  36     : weak_ptr_factory_(this),
  37       is_webui_initialized_(false) {
  38   KioskAppManager::Get()->AddObserver(this);
  39 }
  40
  41 KioskAppMenuHandler::~KioskAppMenuHandler() {
  42   KioskAppManager::Get()->RemoveObserver(this);
  43 }
  44
  45 void KioskAppMenuHandler::GetLocalizedStrings(
  46     base::DictionaryValue* localized_strings) {
  47   localized_strings->SetString(
  48       "showApps",
  49       l10n_util::GetStringUTF16(IDS_KIOSK_APPS_BUTTON));
  50   localized_strings->SetString(
  51       "confirmKioskAppDiagnosticModeFormat",
  52       l10n_util::GetStringUTF16(IDS_LOGIN_CONFIRM_KIOSK_DIAGNOSTIC_FORMAT));
  53   localized_strings->SetString(
  54       "confirmKioskAppDiagnosticModeYes",
  55       l10n_util::GetStringUTF16(IDS_CONFIRM_MESSAGEBOX_YES_BUTTON_LABEL));
  56   localized_strings->SetString(
  57       "confirmKioskAppDiagnosticModeNo",
  58       l10n_util::GetStringUTF16(IDS_CONFIRM_MESSAGEBOX_NO_BUTTON_LABEL));
  59 }
  60
  61 void KioskAppMenuHandler::RegisterMessages() {
  62   web_ui()->RegisterMessageCallback("initializeKioskApps",
  63       base::Bind(&KioskAppMenuHandler::HandleInitializeKioskApps,
  64                  base::Unretained(this)));
  65   web_ui()->RegisterMessageCallback("kioskAppsLoaded",
  66       base::Bind(&KioskAppMenuHandler::HandleKioskAppsLoaded,
  67                  base::Unretained(this)));
  68   web_ui()->RegisterMessageCallback("checkKioskAppLaunchError",
  69       base::Bind(&KioskAppMenuHandler::HandleCheckKioskAppLaunchError,
  70                  base::Unretained(this)));
  71 }
  72
  73 void KioskAppMenuHandler::SendKioskApps() {
  74   if (!is_webui_initialized_)
  75     return;
  76
  77   KioskAppManager::Apps apps;
  78   KioskAppManager::Get()->GetApps(&apps);
  79
  80   base::ListValue apps_list;
  81   for (size_t i = 0; i < apps.size(); ++i) {
  82     const KioskAppManager::App& app_data = apps[i];
  83
  84     scoped_ptr<base::DictionaryValue> app_info(new base::DictionaryValue);
  85     app_info->SetBoolean("isApp", true);
  86     app_info->SetString("id", app_data.app_id);
  87     app_info->SetString("label", app_data.name);
  88
  89     // TODO(xiyuan): Replace data url with a URLDataSource.
  90     std::string icon_url("chrome://theme/IDR_APP_DEFAULT_ICON");
  91     if (!app_data.icon.isNull())
  92       icon_url = webui::GetBitmapDataUrl(*app_data.icon.bitmap());
  93     app_info->SetString("iconUrl", icon_url);
  94
  95     apps_list.Append(app_info.release());
  96   }
  97
  98   bool new_kiosk_ui = !CommandLine::ForCurrentProcess()->
  99       HasSwitch(switches::kDisableNewKioskUI);
 100   web_ui()->CallJavascriptFunction(new_kiosk_ui ?
 101       kKioskSetAppsNewAPI : kKioskSetAppsOldAPI,
 102       apps_list);
 103 }
 104
 105 void KioskAppMenuHandler::HandleInitializeKioskApps(
 106     const base::ListValue* args) {
 107   is_webui_initialized_ = true;
 108   SendKioskApps();
 109 }
 110
 111 void KioskAppMenuHandler::HandleKioskAppsLoaded(
 112     const base::ListValue* args) {
 113   content::NotificationService::current()->Notify(
 114       chrome::NOTIFICATION_KIOSK_APPS_LOADED,
 115       content::NotificationService::AllSources(),
 116       content::NotificationService::NoDetails());
 117 }
 118
 119 void KioskAppMenuHandler::HandleCheckKioskAppLaunchError(
 120     const base::ListValue* args) {
 121   KioskAppLaunchError::Error error = KioskAppLaunchError::Get();
 122   if (error == KioskAppLaunchError::NONE)
 123     return;
 124   KioskAppLaunchError::Clear();
 125
 126   const std::string error_message = KioskAppLaunchError::GetErrorMessage(error);
 127   bool new_kiosk_ui = !CommandLine::ForCurrentProcess()->
 128       HasSwitch(switches::kDisableNewKioskUI);
 129   web_ui()->CallJavascriptFunction(new_kiosk_ui ?
 130       kKioskShowErrorNewAPI : kKioskShowErrorOldAPI,
 131       base::StringValue(error_message));
 132 }
 133
 134 void KioskAppMenuHandler::OnKioskAppsSettingsChanged() {
 135   SendKioskApps();
 136 }
 137
 138 void KioskAppMenuHandler::OnKioskAppDataChanged(const std::string& app_id) {
 139   SendKioskApps();
 140 }
 141
 142 }  // namespace chromeos