NetworkPortalDetector/NetworkStateInformer: Switch over to use NetworkStateHandler

chrome/browser/ui/webui/chromeos/login/network_state_informer.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/ui/webui/chromeos/login/network_state_informer.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
-#include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/proxy_config_service_impl.h"
 #include "chrome/common/chrome_notification_types.h"
+#include "chromeos/network/network_state.h"
+#include "chromeos/network/network_state_handler.h"
 #include "net/proxy/proxy_config.h"
+#include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace {
 
 // Timeout to smooth temporary network state transitions for flaky networks.
 const int kNetworkStateCheckDelaySec = 3;
 
 }  // namespace
 
 namespace chromeos {
 
 NetworkStateInformer::NetworkStateInformer()
     : state_(OFFLINE),
-      delegate_(NULL),
-      last_network_type_(TYPE_WIFI) {
+      delegate_(NULL) {
 }
 
 NetworkStateInformer::~NetworkStateInformer() {
-  CrosLibrary::Get()->GetNetworkLibrary()->
-      RemoveNetworkManagerObserver(this);
+  NetworkStateHandler::Get()->RemoveObserver(this);
   if (NetworkPortalDetector::IsEnabledInCommandLine() &&
       NetworkPortalDetector::GetInstance()) {
     NetworkPortalDetector::GetInstance()->RemoveObserver(this);
   }
 }
 
 void NetworkStateInformer::Init() {
-  NetworkLibrary* cros = CrosLibrary::Get()->GetNetworkLibrary();
-  UpdateState(cros);
-  cros->AddNetworkManagerObserver(this);
+  UpdateState();
+  NetworkStateHandler::Get()->AddObserver(this);
 
   if (NetworkPortalDetector::IsEnabledInCommandLine() &&
       NetworkPortalDetector::GetInstance()) {
     NetworkPortalDetector::GetInstance()->AddAndFireObserver(this);
   }
 
   registrar_.Add(this,
                  chrome::NOTIFICATION_LOGIN_PROXY_CHANGED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_SESSION_STARTED,
                  content::NotificationService::AllSources());
 }
 
 void NetworkStateInformer::SetDelegate(NetworkStateInformerDelegate* delegate) {
   delegate_ = delegate;
 }
 
 void NetworkStateInformer::AddObserver(NetworkStateInformerObserver* observer) {
   if (!observers_.HasObserver(observer))
     observers_.AddObserver(observer);
 }
 
 void NetworkStateInformer::RemoveObserver(
     NetworkStateInformerObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
-void NetworkStateInformer::OnNetworkManagerChanged(NetworkLibrary* cros) {
-  const Network* active_network = cros->active_network();
+void NetworkStateInformer::NetworkManagerChanged() {
+  const NetworkState* default_network =
+      NetworkStateHandler::Get()->DefaultNetwork();
   State new_state = OFFLINE;
   std::string new_network_service_path;
-  if (active_network) {
-    new_state = GetNetworkState(active_network);
-    new_network_service_path = active_network->service_path();
+  if (default_network) {
+    new_state = GetNetworkState(default_network);
+    new_network_service_path = default_network->path();
   }
   if ((state_ != ONLINE && (new_state == ONLINE || new_state == CONNECTING)) ||
       (state_ == ONLINE && (new_state == ONLINE || new_state == CONNECTING) &&
        new_network_service_path != last_online_service_path_) ||
       (new_state == CAPTIVE_PORTAL &&
        new_network_service_path == last_network_service_path_)) {
     last_network_service_path_ = new_network_service_path;
     if (new_state == ONLINE)
       last_online_service_path_ = new_network_service_path;
     // Transitions {OFFLINE, PORTAL} -> ONLINE and connections to
     // different network are processed without delay.
     // Transitions {OFFLINE, ONLINE} -> PORTAL in the same network are
     // also processed without delay.
     UpdateStateAndNotify();
   } else {
     check_state_.Cancel();
     check_state_.Reset(
         base::Bind(&NetworkStateInformer::UpdateStateAndNotify,
                    base::Unretained(this)));
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE,
         check_state_.callback(),
         base::TimeDelta::FromSeconds(kNetworkStateCheckDelaySec));
   }
 }
 
+void NetworkStateInformer::DefaultNetworkChanged(const NetworkState* network) {
+  NetworkManagerChanged();
+}
+
 void NetworkStateInformer::OnPortalDetectionCompleted(
-    const Network* network,
+    const NetworkState* network,
     const NetworkPortalDetector::CaptivePortalState& state) {
-  if (CrosLibrary::Get() && network) {
-    NetworkLibrary* network_library = CrosLibrary::Get()->GetNetworkLibrary();
-    if (network_library && network_library->active_network() == network)
-      OnNetworkManagerChanged(network_library);
-  }
+  if (NetworkStateHandler::IsInitialized() &&
+      NetworkStateHandler::Get()->DefaultNetwork() == network)
+    NetworkManagerChanged();
 }
 
 void NetworkStateInformer::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   if (type == chrome::NOTIFICATION_SESSION_STARTED)
     registrar_.RemoveAll();
   else if (type == chrome::NOTIFICATION_LOGIN_PROXY_CHANGED)
     SendStateToObservers(ErrorScreenActor::ERROR_REASON_PROXY_CONFIG_CHANGED);
   else
     NOTREACHED() << "Unknown notification: " << type;
 }
 
 void NetworkStateInformer::OnPortalDetected() {
   SendStateToObservers(ErrorScreenActor::ERROR_REASON_PORTAL_DETECTED);
 }
 
-bool NetworkStateInformer::UpdateState(NetworkLibrary* cros) {
+bool NetworkStateInformer::UpdateState() {
   State new_state = OFFLINE;
 
-  const Network* active_network = cros->active_network();
-  if (active_network) {
-    new_state = GetNetworkState(active_network);
-    last_network_service_path_ = active_network->service_path();
-    last_network_type_ = active_network->type();
+  const NetworkState* default_network =
+      NetworkStateHandler::Get()->DefaultNetwork();
+  if (default_network) {
+    new_state = GetNetworkState(default_network);
+    last_network_service_path_ = default_network->path();
+    last_network_type_ = default_network->type();
   }
 
   bool updated = (new_state != state_) ||
       (new_state != OFFLINE &&
        last_network_service_path_ != last_connected_service_path_);
   state_ = new_state;
   if (state_ != OFFLINE)
     last_connected_service_path_ = last_network_service_path_;
 
   if (updated && state_ == ONLINE && delegate_)
     delegate_->OnNetworkReady();
 
   return updated;
 }
 
 void NetworkStateInformer::UpdateStateAndNotify() {
   // Cancel pending update request if any.
   check_state_.Cancel();
 
-  if (UpdateState(CrosLibrary::Get()->GetNetworkLibrary()))
+  if (UpdateState())
     SendStateToObservers(ErrorScreenActor::ERROR_REASON_NETWORK_STATE_CHANGED);
   else
     SendStateToObservers(ErrorScreenActor::ERROR_REASON_UPDATE);
 }
 
 void NetworkStateInformer::SendStateToObservers(
     ErrorScreenActor::ErrorReason reason) {
   FOR_EACH_OBSERVER(NetworkStateInformerObserver, observers_,
       UpdateState(state_, reason));
 }
 
 NetworkStateInformer::State NetworkStateInformer::GetNetworkState(
-    const Network* network) {
+    const NetworkState* network) {
   DCHECK(network);
   if (NetworkPortalDetector::IsEnabledInCommandLine() &&
       NetworkPortalDetector::GetInstance()) {
     NetworkPortalDetector::CaptivePortalState state =
         NetworkPortalDetector::GetInstance()->GetCaptivePortalState(network);
     NetworkPortalDetector::CaptivePortalStatus status = state.status;
     if (status == NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_UNKNOWN &&
-        network->connecting()) {
+        NetworkState::StateIsConnecting(network->connection_state())) {
       return CONNECTING;
     }
     // For proxy-less networks rely on shill's online state if
     // NetworkPortalDetector's state of current network is unknown.
     if (status == NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_ONLINE ||
         (status == NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_UNKNOWN &&
-         !IsProxyConfigured(network) && network->online())) {
+         !IsProxyConfigured(network) &&
+         network->connection_state() == flimflam::kStateOnline)) {
       return ONLINE;
     }
     if (status ==
         NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_PROXY_AUTH_REQUIRED &&
         IsProxyConfigured(network)) {
       return PROXY_AUTH_REQUIRED;
     }
     if (status == NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_PORTAL ||
         (status == NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_UNKNOWN &&
-         network->restricted_pool()))
+         network->connection_state() == flimflam::kStatePortal))
       return CAPTIVE_PORTAL;
   } else {
-    if (network->connecting())
+    if (NetworkState::StateIsConnecting(network->connection_state()))
       return CONNECTING;
-    if (network->online())
+    if (network->connection_state() == flimflam::kStateOnline)
       return ONLINE;
-    if (network->restricted_pool())
+    if (network->connection_state() == flimflam::kStatePortal)
       return CAPTIVE_PORTAL;
   }
   return OFFLINE;
 }
 
-bool NetworkStateInformer::IsProxyConfigured(const Network* network) {
+bool NetworkStateInformer::IsProxyConfigured(const NetworkState* network) {
   DCHECK(network);
-  ProxyStateMap::iterator it = proxy_state_map_.find(network->unique_id());
+
+  ProxyStateMap::iterator it = proxy_state_map_.find(network->guid());
   if (it != proxy_state_map_.end() &&
       it->second.proxy_config == network->proxy_config()) {
     return it->second.configured;
   }
   net::ProxyConfig proxy_config;
-  if (!ProxyConfigServiceImpl::ParseProxyConfig(network, &proxy_config))
+  if (!ProxyConfigServiceImpl::ParseProxyConfig(network->proxy_config(),
+                                                &proxy_config))
     return false;
   bool configured = !proxy_config.proxy_rules().empty();
-  proxy_state_map_[network->unique_id()] =
+  proxy_state_map_[network->guid()] =
       ProxyState(network->proxy_config(), configured);
   return configured;
 }
 
 }  // namespace chromeos