Show notifications for Network Config errors

chrome/browser/chromeos/options/wifi_config_view.cc

 // 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/chromeos/options/wifi_config_view.h"
 
 #include "ash/system/chromeos/network/network_connect.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 338 matching lines @@
       save_credentials_checkbox_(NULL),
       share_network_checkbox_(NULL),
       shared_network_label_(NULL),
       security_combobox_(NULL),
       passphrase_label_(NULL),
       passphrase_textfield_(NULL),
       passphrase_visible_button_(NULL),
       error_label_(NULL),
       weak_ptr_factory_(this) {
   Init(show_8021x);
+  NetworkHandler::Get()->network_state_handler()->AddObserver(this, FROM_HERE);
 }
 
 WifiConfigView::~WifiConfigView() {
+  if (NetworkHandler::IsInitialized()) {
+    NetworkHandler::Get()->network_state_handler()->RemoveObserver(
+        this, FROM_HERE);
+  }
   CertLibrary::Get()->RemoveObserver(this);
 }
 
 string16 WifiConfigView::GetTitle() const {
   return l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_JOIN_WIFI_NETWORKS);
 }
 
 views::View* WifiConfigView::GetInitiallyFocusedView() {
   // Return a reasonable widget for initial focus,
   // depending on what we're showing.
@@ skipping 868 matching lines @@
   RefreshShareCheckbox();
   UpdateErrorLabel();
 }
 
 void WifiConfigView::InitFocus() {
   views::View* view_to_focus = GetInitiallyFocusedView();
   if (view_to_focus)
     view_to_focus->RequestFocus();
 }
 
+void WifiConfigView::NetworkPropertiesUpdated(const NetworkState* network) {
+  if (network->path() != service_path_)
+    return;
+  UpdateErrorLabel();
+}
+
 // static
 void WifiConfigView::ParseWiFiUIProperty(
     NetworkPropertyUIData* property_ui_data,
     const NetworkState* network,
     const std::string& key) {
   onc::ONCSource onc_source = onc::ONC_SOURCE_NONE;
   const base::DictionaryValue* onc =
       network_connect::FindPolicyForActiveUser(network, &onc_source);
 
   property_ui_data->ParseOncProperty(
       onc_source,
       onc,
       base::StringPrintf("%s.%s", onc::network_config::kWiFi, key.c_str()));
 }
 
 // static
 void WifiConfigView::ParseWiFiEAPUIProperty(
     NetworkPropertyUIData* property_ui_data,
     const NetworkState* network,
     const std::string& key) {
   ParseWiFiUIProperty(
       property_ui_data, network,
       base::StringPrintf("%s.%s", onc::wifi::kEAP, key.c_str()));
 }
 
 }  // namespace chromeos