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      1 // Copyright (c) 2012 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/chromeos/status/data_promo_notification.h"
      6 
      7 #include "ash/resources/grit/ash_resources.h"
      8 #include "ash/system/chromeos/network/network_connect.h"
      9 #include "ash/system/system_notifier.h"
     10 #include "base/prefs/pref_registry_simple.h"
     11 #include "base/prefs/pref_service.h"
     12 #include "base/strings/utf_string_conversions.h"
     13 #include "chrome/browser/browser_process.h"
     14 #include "chrome/browser/chromeos/login/helper.h"
     15 #include "chrome/browser/chromeos/mobile_config.h"
     16 #include "chrome/browser/profiles/profile.h"
     17 #include "chrome/browser/profiles/profile_manager.h"
     18 #include "chrome/browser/ui/browser.h"
     19 #include "chrome/browser/ui/browser_list.h"
     20 #include "chrome/browser/ui/scoped_tabbed_browser_displayer.h"
     21 #include "chrome/browser/ui/singleton_tabs.h"
     22 #include "chrome/common/pref_names.h"
     23 #include "chrome/grit/generated_resources.h"
     24 #include "chromeos/login/login_state.h"
     25 #include "chromeos/network/device_state.h"
     26 #include "chromeos/network/network_connection_handler.h"
     27 #include "chromeos/network/network_event_log.h"
     28 #include "chromeos/network/network_state.h"
     29 #include "chromeos/network/network_state_handler.h"
     30 #include "third_party/cros_system_api/dbus/service_constants.h"
     31 #include "ui/base/l10n/l10n_util.h"
     32 #include "ui/base/resource/resource_bundle.h"
     33 #include "ui/message_center/message_center.h"
     34 #include "ui/message_center/notification.h"
     35 #include "ui/views/view.h"
     36 #include "ui/views/widget/widget.h"
     37 
     38 namespace chromeos {
     39 
     40 namespace {
     41 
     42 const int kNotificationCountPrefDefault = -1;
     43 
     44 bool GetBooleanPref(const char* pref_name) {
     45   Profile* profile = ProfileManager::GetPrimaryUserProfile();
     46   PrefService* prefs = profile->GetPrefs();
     47   return prefs->GetBoolean(pref_name);
     48 }
     49 
     50 int GetIntegerLocalPref(const char* pref_name) {
     51   PrefService* prefs = g_browser_process->local_state();
     52   return prefs->GetInteger(pref_name);
     53 }
     54 
     55 void SetBooleanPref(const char* pref_name, bool value) {
     56   Profile* profile = ProfileManager::GetPrimaryUserProfile();
     57   PrefService* prefs = profile->GetPrefs();
     58   prefs->SetBoolean(pref_name, value);
     59 }
     60 
     61 void SetIntegerLocalPref(const char* pref_name, int value) {
     62   PrefService* prefs = g_browser_process->local_state();
     63   prefs->SetInteger(pref_name, value);
     64 }
     65 
     66 // Returns prefs::kShow3gPromoNotification or false if no active browser.
     67 bool ShouldShow3gPromoNotification() {
     68   return GetBooleanPref(prefs::kShow3gPromoNotification);
     69 }
     70 
     71 void SetShow3gPromoNotification(bool value) {
     72   SetBooleanPref(prefs::kShow3gPromoNotification, value);
     73 }
     74 
     75 // Returns prefs::kCarrierDealPromoShown which is number of times
     76 // carrier deal notification has been shown to users on this machine.
     77 int GetCarrierDealPromoShown() {
     78   return GetIntegerLocalPref(prefs::kCarrierDealPromoShown);
     79 }
     80 
     81 void SetCarrierDealPromoShown(int value) {
     82   SetIntegerLocalPref(prefs::kCarrierDealPromoShown, value);
     83 }
     84 
     85 const chromeos::MobileConfig::Carrier* GetCarrier(
     86     const NetworkState* cellular) {
     87   const DeviceState* device = NetworkHandler::Get()->network_state_handler()->
     88       GetDeviceState(cellular->device_path());
     89   std::string carrier_id = device ? device->home_provider_id() : "";
     90   if (carrier_id.empty()) {
     91     NET_LOG_ERROR("Empty carrier ID for cellular network",
     92                   device ? device->path(): "No device");
     93     return NULL;
     94   }
     95 
     96   chromeos::MobileConfig* config = chromeos::MobileConfig::GetInstance();
     97   if (!config->IsReady())
     98     return NULL;
     99 
    100   return config->GetCarrier(carrier_id);
    101 }
    102 
    103 const chromeos::MobileConfig::CarrierDeal* GetCarrierDeal(
    104     const chromeos::MobileConfig::Carrier* carrier) {
    105   const chromeos::MobileConfig::CarrierDeal* deal = carrier->GetDefaultDeal();
    106   if (deal) {
    107     // Check deal for validity.
    108     int carrier_deal_promo_pref = GetCarrierDealPromoShown();
    109     if (carrier_deal_promo_pref >= deal->notification_count())
    110       return NULL;
    111     const std::string locale = g_browser_process->GetApplicationLocale();
    112     std::string deal_text = deal->GetLocalizedString(locale,
    113                                                      "notification_text");
    114     NET_LOG_DEBUG("Carrier Deal Found", deal_text);
    115     if (deal_text.empty())
    116       return NULL;
    117   }
    118   return deal;
    119 }
    120 
    121 void NotificationClicked(const std::string& service_path,
    122                          const std::string& info_url) {
    123   if (info_url.empty())
    124     ash::network_connect::ShowNetworkSettings(service_path);
    125 
    126   chrome::ScopedTabbedBrowserDisplayer displayer(
    127       ProfileManager::GetPrimaryUserProfile(),
    128       chrome::HOST_DESKTOP_TYPE_ASH);
    129   chrome::ShowSingletonTab(displayer.browser(), GURL(info_url));
    130 }
    131 
    132 }  // namespace
    133 
    134 ////////////////////////////////////////////////////////////////////////////////
    135 // DataPromoNotification
    136 
    137 DataPromoNotification::DataPromoNotification()
    138     : check_for_promo_(true),
    139       weak_ptr_factory_(this) {
    140   NetworkHandler::Get()->network_state_handler()->AddObserver(this, FROM_HERE);
    141 }
    142 
    143 DataPromoNotification::~DataPromoNotification() {
    144   if (NetworkHandler::IsInitialized()) {
    145     NetworkHandler::Get()->network_state_handler()->RemoveObserver(
    146         this, FROM_HERE);
    147   }
    148 }
    149 
    150 void DataPromoNotification::RegisterPrefs(PrefRegistrySimple* registry) {
    151   // Carrier deal notification shown count defaults to 0.
    152   registry->RegisterIntegerPref(prefs::kCarrierDealPromoShown, 0);
    153 }
    154 
    155 void DataPromoNotification::NetworkPropertiesUpdated(
    156     const NetworkState* network) {
    157   if (!network || network->type() != shill::kTypeCellular)
    158     return;
    159   ShowOptionalMobileDataPromoNotification();
    160 }
    161 
    162 void DataPromoNotification::DefaultNetworkChanged(const NetworkState* network) {
    163   // Call NetworkPropertiesUpdated in case the Cellular network became the
    164   // default network.
    165   NetworkPropertiesUpdated(network);
    166 }
    167 
    168 void DataPromoNotification::ShowOptionalMobileDataPromoNotification() {
    169   // Display a one-time notification for authenticated users on first use
    170   // of Mobile Data connection or if there is a carrier deal defined
    171   // show that even if user has already seen generic promo.
    172   if (!check_for_promo_ || !LoginState::Get()->IsUserAuthenticated())
    173     return;
    174   const NetworkState* default_network =
    175       NetworkHandler::Get()->network_state_handler()->DefaultNetwork();
    176   if (!default_network || default_network->type() != shill::kTypeCellular)
    177     return;
    178   // When requesting a network connection, do not show the notification.
    179   if (NetworkHandler::Get()->network_connection_handler()->
    180       HasPendingConnectRequest())
    181     return;
    182 
    183   int carrier_deal_promo_pref = kNotificationCountPrefDefault;
    184   const MobileConfig::CarrierDeal* deal = NULL;
    185   const MobileConfig::Carrier* carrier = GetCarrier(default_network);
    186   if (carrier)
    187     deal = GetCarrierDeal(carrier);
    188 
    189   base::string16 message =
    190       l10n_util::GetStringUTF16(IDS_3G_NOTIFICATION_MESSAGE);
    191   std::string info_url;
    192   if (deal) {
    193     carrier_deal_promo_pref = GetCarrierDealPromoShown();
    194     const std::string locale = g_browser_process->GetApplicationLocale();
    195     std::string deal_text =
    196         deal->GetLocalizedString(locale, "notification_text");
    197     message = base::UTF8ToUTF16(deal_text + "\n\n") + message;
    198     info_url = deal->info_url();
    199     if (info_url.empty() && carrier)
    200       info_url = carrier->top_up_url();
    201   } else if (!ShouldShow3gPromoNotification()) {
    202     check_for_promo_ = false;
    203     return;
    204   }
    205 
    206   int icon_id;
    207   if (default_network->network_technology() == shill::kNetworkTechnologyLte)
    208     icon_id = IDR_AURA_UBER_TRAY_NOTIFICATION_LTE;
    209   else
    210     icon_id = IDR_AURA_UBER_TRAY_NOTIFICATION_3G;
    211   const gfx::Image& icon =
    212       ui::ResourceBundle::GetSharedInstance().GetImageNamed(icon_id);
    213 
    214   message_center::MessageCenter::Get()->AddNotification(
    215       message_center::Notification::CreateSystemNotification(
    216           ash::network_connect::kNetworkActivateNotificationId,
    217           base::string16() /* title */,
    218           message,
    219           icon,
    220           ash::system_notifier::kNotifierNetwork,
    221           base::Bind(&NotificationClicked,
    222                      default_network->path(), info_url)));
    223 
    224   check_for_promo_ = false;
    225   SetShow3gPromoNotification(false);
    226   if (carrier_deal_promo_pref != kNotificationCountPrefDefault)
    227     SetCarrierDealPromoShown(carrier_deal_promo_pref + 1);
    228 }
    229 
    230 }  // namespace chromeos
    231