src/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/strings/string_number_conversions.h"
  10 #include "base/sys_info.h"
  11 #include "base/values.h"
  12 #include "chrome/browser/browser_process.h"
  13 #include "chrome/browser/chrome_notification_types.h"
  14 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
  15 #include "chrome/browser/chromeos/login/existing_user_controller.h"
  16 #include "chromeos/chromeos_switches.h"
  17 #include "content/public/browser/notification_details.h"
  18 #include "content/public/browser/notification_service.h"
  19 #include "content/public/browser/web_ui.h"
  20 #include "grit/generated_resources.h"
  21 #include "ui/base/l10n/l10n_util.h"
  22 #include "ui/base/webui/web_ui_util.h"
  23
  24 namespace chromeos {
  25
  26 namespace {
  27
  28 // JS functions that define new and old kiosk UI API.
  29 const char kKioskSetAppsNewAPI[] = "login.AccountPickerScreen.setApps";
  30 const char kKioskSetAppsOldAPI[] = "login.AppsMenuButton.setApps";
  31 const char kKioskShowErrorNewAPI[] = "login.AccountPickerScreen.showAppError";
  32 const char kKioskShowErrorOldAPI[] = "login.AppsMenuButton.showError";
  33
  34 // Default app icon size.
  35 const char kDefaultAppIconSizeString[] = "96px";
  36 const int kMaxAppIconSize = 160;
  37
  38 }  // namespace
  39
  40 KioskAppMenuHandler::KioskAppMenuHandler()
  41     : weak_ptr_factory_(this),
  42       is_webui_initialized_(false) {
  43   KioskAppManager::Get()->AddObserver(this);
  44 }
  45
  46 KioskAppMenuHandler::~KioskAppMenuHandler() {
  47   KioskAppManager::Get()->RemoveObserver(this);
  48 }
  49
  50 void KioskAppMenuHandler::GetLocalizedStrings(
  51     base::DictionaryValue* localized_strings) {
  52   localized_strings->SetString(
  53       "showApps",
  54       l10n_util::GetStringUTF16(IDS_KIOSK_APPS_BUTTON));
  55   localized_strings->SetString(
  56       "confirmKioskAppDiagnosticModeFormat",
  57       l10n_util::GetStringUTF16(IDS_LOGIN_CONFIRM_KIOSK_DIAGNOSTIC_FORMAT));
  58   localized_strings->SetString(
  59       "confirmKioskAppDiagnosticModeYes",
  60       l10n_util::GetStringUTF16(IDS_CONFIRM_MESSAGEBOX_YES_BUTTON_LABEL));
  61   localized_strings->SetString(
  62       "confirmKioskAppDiagnosticModeNo",
  63       l10n_util::GetStringUTF16(IDS_CONFIRM_MESSAGEBOX_NO_BUTTON_LABEL));
  64   localized_strings->SetBoolean(
  65       "kioskAppHasLaunchError",
  66       KioskAppLaunchError::Get() != KioskAppLaunchError::NONE);
  67 }
  68
  69 void KioskAppMenuHandler::RegisterMessages() {
  70   web_ui()->RegisterMessageCallback("initializeKioskApps",
  71       base::Bind(&KioskAppMenuHandler::HandleInitializeKioskApps,
  72                  base::Unretained(this)));
  73   web_ui()->RegisterMessageCallback("kioskAppsLoaded",
  74       base::Bind(&KioskAppMenuHandler::HandleKioskAppsLoaded,
  75                  base::Unretained(this)));
  76   web_ui()->RegisterMessageCallback("checkKioskAppLaunchError",
  77       base::Bind(&KioskAppMenuHandler::HandleCheckKioskAppLaunchError,
  78                  base::Unretained(this)));
  79 }
  80
  81 // static
  82 bool KioskAppMenuHandler::EnableNewKioskUI() {
  83   // Turn off new kiosk UI for M34/35.
  84   // TODO(xiyuan, nkostylev): Revist for http://crbug.com/362062.
  85   return false;
  86 }
  87
  88 void KioskAppMenuHandler::SendKioskApps() {
  89   if (!is_webui_initialized_)
  90     return;
  91
  92   KioskAppManager::Apps apps;
  93   KioskAppManager::Get()->GetApps(&apps);
  94
  95   base::ListValue apps_list;
  96   for (size_t i = 0; i < apps.size(); ++i) {
  97     const KioskAppManager::App& app_data = apps[i];
  98
  99     scoped_ptr<base::DictionaryValue> app_info(new base::DictionaryValue);
 100     app_info->SetBoolean("isApp", true);
 101     app_info->SetString("id", app_data.app_id);
 102     app_info->SetString("label", app_data.name);
 103
 104     // TODO(xiyuan): Replace data url with a URLDataSource.
 105     std::string icon_url("chrome://theme/IDR_APP_DEFAULT_ICON");
 106
 107     if (!app_data.icon.isNull()) {
 108       icon_url = webui::GetBitmapDataUrl(*app_data.icon.bitmap());
 109       int width = app_data.icon.width();
 110       int height = app_data.icon.height();
 111
 112       // If app icon size is larger than default 160x160 then don't provide
 113       // size at all since it's already limited on the css side.
 114       if (width <= kMaxAppIconSize && height <= kMaxAppIconSize) {
 115         app_info->SetString("iconWidth", base::IntToString(width) + "px");
 116         app_info->SetString("iconHeight", base::IntToString(height) + "px");
 117       }
 118     } else {
 119       app_info->SetString("iconWidth", kDefaultAppIconSizeString);
 120       app_info->SetString("iconHeight", kDefaultAppIconSizeString);
 121     }
 122     app_info->SetString("iconUrl", icon_url);
 123
 124     apps_list.Append(app_info.release());
 125   }
 126
 127   web_ui()->CallJavascriptFunction(EnableNewKioskUI() ?
 128       kKioskSetAppsNewAPI : kKioskSetAppsOldAPI,
 129       apps_list);
 130 }
 131
 132 void KioskAppMenuHandler::HandleInitializeKioskApps(
 133     const base::ListValue* args) {
 134   is_webui_initialized_ = true;
 135   SendKioskApps();
 136 }
 137
 138 void KioskAppMenuHandler::HandleKioskAppsLoaded(
 139     const base::ListValue* args) {
 140   content::NotificationService::current()->Notify(
 141       chrome::NOTIFICATION_KIOSK_APPS_LOADED,
 142       content::NotificationService::AllSources(),
 143       content::NotificationService::NoDetails());
 144 }
 145
 146 void KioskAppMenuHandler::HandleCheckKioskAppLaunchError(
 147     const base::ListValue* args) {
 148   KioskAppLaunchError::Error error = KioskAppLaunchError::Get();
 149   if (error == KioskAppLaunchError::NONE)
 150     return;
 151   KioskAppLaunchError::Clear();
 152
 153   const std::string error_message = KioskAppLaunchError::GetErrorMessage(error);
 154   bool new_kiosk_ui = EnableNewKioskUI();
 155   web_ui()->CallJavascriptFunction(new_kiosk_ui ?
 156       kKioskShowErrorNewAPI : kKioskShowErrorOldAPI,
 157       base::StringValue(error_message));
 158 }
 159
 160 void KioskAppMenuHandler::OnKioskAppsSettingsChanged() {
 161   SendKioskApps();
 162 }
 163
 164 void KioskAppMenuHandler::OnKioskAppDataChanged(const std::string& app_id) {
 165   SendKioskApps();
 166 }
 167
 168 }  // namespace chromeos