Obtain WiFi SSID on Android using Android APIs

net/android/network_change_notifier_delegate_android.h

 // 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.
 
 #ifndef NET_ANDROID_NETWORK_CHANGE_NOTIFIER_DELEGATE_ANDROID_H_
 #define NET_ANDROID_NETWORK_CHANGE_NOTIFIER_DELEGATE_ANDROID_H_
 
 #include <string>
 
 #include "base/android/jni_android.h"
@@ skipping 88 matching lines @@
 
   // These methods are simply implementations of NetworkChangeNotifier APIs of
   // the same name. They can be called from any thread.
   ConnectionType GetCurrentConnectionType() const;
   void GetCurrentMaxBandwidthAndConnectionType(
       double* max_bandwidth_mbps,
       ConnectionType* connection_type) const;
   ConnectionType GetNetworkConnectionType(NetworkHandle network) const;
   NetworkHandle GetCurrentDefaultNetwork() const;
   void GetCurrentlyConnectedNetworks(NetworkList* network_list) const;
+  std::string GetCurrentWiFiSSID() const;
 
   // Can only be called from the main (Java) thread.
   NetworkChangeNotifier::ConnectionSubtype GetCurrentConnectionSubtype() const;
 
   // Initializes JNI bindings.
   static bool Register(JNIEnv* env);
 
  private:
   friend class BaseNetworkChangeNotifierAndroidTest;
 
   // Map of active connected networks and their connection type.
   typedef std::map<NetworkHandle, ConnectionType> NetworkMap;
 
   // Converts a Java int[] into a NetworkMap. Expects int[] to contain
   // repeated instances of: NetworkHandle, ConnectionType
   static void JavaIntArrayToNetworkMap(JNIEnv* env,
                                        jintArray int_array,
                                        NetworkMap* network_map);
 
   // Setters that grab appropriate lock.
   void SetCurrentConnectionType(ConnectionType connection_type);
+  void SetCurrentSSID(const std::string& new_ssid);
   void SetCurrentMaxBandwidth(double max_bandwidth);
   void SetCurrentDefaultNetwork(NetworkHandle default_network);
   void SetCurrentNetworksAndTypes(NetworkMap network_map);
 
   // Methods calling the Java side exposed for testing.
   void SetOnline();
   void SetOffline();
   void FakeNetworkConnected(NetworkHandle network, ConnectionType type);
   void FakeNetworkSoonToBeDisconnected(NetworkHandle network);
   void FakeNetworkDisconnected(NetworkHandle network);
   void FakePurgeActiveNetworkList(NetworkList networks);
   void FakeDefaultNetwork(NetworkHandle network, ConnectionType type);
   void FakeMaxBandwidthChanged(double max_bandwidth_mbps);
 
   base::ThreadChecker thread_checker_;
   scoped_refptr<base::ObserverListThreadSafe<Observer>> observers_;
   base::android::ScopedJavaGlobalRef<jobject> java_network_change_notifier_;
 
   mutable base::Lock connection_lock_;  // Protects the state below.
   ConnectionType connection_type_;
+  std::string current_ssid_;
   double connection_max_bandwidth_;
   NetworkHandle default_network_;
   NetworkMap network_map_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierDelegateAndroid);
 };
 
 }  // namespace net
 
 #endif  // NET_ANDROID_NETWORK_CHANGE_NOTIFIER_DELEGATE_ANDROID_H_