Added ChromeOS-specific NetworkChangeNotifier specialization that is wired directly to flimflam.

chrome/browser/chromeos/net/network_change_notifier_chromeos.cc

+// Copyright (c) 2011 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/net/network_change_notifier_chromeos.h"
+
+#include "base/task.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "content/browser/browser_thread.h"
+
+namespace chromeos {
+
+NetworkChangeNotifierChromeos::NetworkChangeNotifierChromeos()
+    : has_active_network_(false),
+      connectivity_state_(chromeos::CONN_STATE_UNKNOWN),
+      ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)) {
+
+  chromeos::NetworkLibrary* lib =
+      chromeos::CrosLibrary::Get()->GetNetworkLibrary();
+  lib->AddNetworkManagerObserver(this);
+}
+
+NetworkChangeNotifierChromeos::~NetworkChangeNotifierChromeos() {
+  chromeos::NetworkLibrary* lib =
+      chromeos::CrosLibrary::Get()->GetNetworkLibrary();
+  lib->RemoveNetworkManagerObserver(this);
+  lib->RemoveObserverForAllNetworks(this);
+}
+
+void NetworkChangeNotifierChromeos::OnNetworkManagerChanged(
+    chromeos::NetworkLibrary* cros) {
+  UpdateNetworkState(cros);
+}
+
+bool NetworkChangeNotifierChromeos::IsCurrentlyOffline() const {
+  return connectivity_state_ != chromeos::CONN_STATE_UNRESTRICTED;
+}
+
+void NetworkChangeNotifierChromeos::UpdateNetworkState(
+    chromeos::NetworkLibrary* lib) {
+  const chromeos::Network* network = lib->active_network();
+
+  // Check if active network was added, removed or changed.
+  if ((!network && has_active_network_) ||
+      (network && (!has_active_network_ ||
+                   network->service_path() != service_path_ ||
+                   network->ip_address() != ip_address_))) {
+    if (has_active_network_)
+      lib->RemoveObserverForAllNetworks(this);
+    if (!network) {
+      has_active_network_ = false;
+      service_path_.clear();
+      ip_address_.clear();
+    } else {
+      has_active_network_ = true;
+      service_path_ = network->service_path();
+      lib->AddNetworkObserver(network->service_path(), this);
+      ip_address_ = network->ip_address();
+    }
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        NewRunnableFunction(
+            &NetworkChangeNotifierChromeos::NotifyObserversOfIPAddressChange));
+  }
+}
+
+void NetworkChangeNotifierChromeos::OnNetworkChanged(
+    chromeos::NetworkLibrary* cros,
+    const chromeos::Network* network) {
+  if (!network) {
+    NOTREACHED();
+    return;
+  }
+  // Active network changed?
+  if (network->service_path() != service_path_) {
+    UpdateNetworkState(cros);
+    return;
+  }
+  if (network->connectivity_state() != connectivity_state_) {
+    connectivity_state_ = network->connectivity_state();
+    BrowserThread::PostTask(
+        BrowserThread::IO, FROM_HERE,
+        method_factory_.NewRunnableMethod(
+          &NetworkChangeNotifierChromeos::NotifyObserversOfOnlineStateChange));
+  }
+}
+
+}  // namespace net