Implement finding BLE connections in chrome://proximity-auth.

components/proximity_auth/webui/proximity_auth_webui_handler.h

 // Copyright 2015 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 COMPONENTS_PROXIMITY_AUTH_WEBUI_PROXIMITY_AUTH_WEBUI_HANDLER_H_
 #define COMPONENTS_PROXIMITY_AUTH_WEBUI_PROXIMITY_AUTH_WEBUI_HANDLER_H_
 
 #include "base/memory/weak_ptr.h"
 #include "base/values.h"
 #include "components/proximity_auth/authenticator.h"
@@ skipping 12 matching lines @@
 }
 
 namespace cryptauth {
 class ExternalDeviceInfo;
 }
 
 namespace proximity_auth {
 
 class Authenticator;
 class BluetoothConnection;
+class BluetoothThrottler;
+class BluetoothLowEnergyDeviceWhitelist;
 class Connection;
+class ConnectionFinder;
 class ClientImpl;
 class ReachablePhoneFlow;
 struct RemoteStatusUpdate;
 class SecureContext;
 
 // Handles messages from the chrome://proximity-auth page.
 class ProximityAuthWebUIHandler : public content::WebUIMessageHandler,
                                   public LogBuffer::Observer,
                                   public CryptAuthEnrollmentManager::Observer,
                                   public CryptAuthDeviceManager::Observer,
@@ skipping 49 matching lines @@
       const cryptauth::FindEligibleUnlockDevicesResponse& response);
 
   // Callback when |reachable_phone_flow_| completes.
   void OnReachablePhonesFound(
       const std::vector<cryptauth::ExternalDeviceInfo>& reachable_phones);
 
   // Called when the key agreement of PSK of the remote device completes.
   void OnPSKDerived(const cryptauth::ExternalDeviceInfo& unlock_key,
                     const std::string& persistent_symmetric_key);
 
-  // Callbacks for bluetooth_util::SeekDeviceByAddress().
-  void OnSeekedDeviceByAddress();
-  void OnSeekedDeviceByAddressError(const std::string& error_message);
+  // Tries to create a classic Bluetooth connection to the unlock key.
+  void FindBluetoothClassicConnection(const RemoteDevice& remote_device);
+
+  // Tries to create a Bluetooth Low Energy connection to the unlock key.
+  void FindBluetoothLowEnergyConnection(const RemoteDevice& remote_device);
+
+  // Called when |connection_finder_| finds a connection.
+  void OnConnectionFound(scoped_ptr<Connection> connection);
 
   // Callback when |authenticator_| completes authentication.
   void OnAuthenticationResult(Authenticator::Result result,
                               scoped_ptr<SecureContext> secure_context);
 
   // Creates the client which parses status updates.
   void CreateStatusUpdateClient();
 
   // Returns the active connection, whether it's owned the |this| instance or
   // |client_|.
@@ skipping 32 matching lines @@
 
   // Creates CryptAuth client instances to make API calls.
   scoped_ptr<CryptAuthClientFactory> cryptauth_client_factory_;
 
   // We only support one concurrent API call.
   scoped_ptr<CryptAuthClient> cryptauth_client_;
 
   // The flow for getting a list of reachable phones.
   scoped_ptr<ReachablePhoneFlow> reachable_phone_flow_;
 
-  // True if the WebContents backing the WebUI has been initialized.
-  bool web_contents_initialized_;
-
   // Member variables related to CryptAuth debugging.
   // TODO(tengs): These members are temporarily used for development.
   scoped_ptr<PrefService> pref_service;
   scoped_ptr<CryptAuthGCMManager> gcm_manager_;
   scoped_ptr<CryptAuthEnrollmentManager> enrollment_manager_;
   scoped_ptr<CryptAuthDeviceManager> device_manager_;
   std::string user_public_key_;
   std::string user_private_key_;
 
   // Member variables for connecting to and authenticating the remote device.
   // TODO(tengs): Support multiple simultaenous connections.
   scoped_ptr<SecureMessageDelegate> secure_message_delegate_;
-  scoped_ptr<BluetoothConnection> bluetooth_connection_;
+  scoped_ptr<BluetoothLowEnergyDeviceWhitelist> ble_device_whitelist_;
+  RemoteDevice selected_remote_device_;
+  scoped_ptr<BluetoothThrottler> bluetooth_throttler_;
+  scoped_ptr<ConnectionFinder> connection_finder_;
+  scoped_ptr<Connection> connection_;
   scoped_ptr<Authenticator> authenticator_;
   scoped_ptr<SecureContext> secure_context_;
   scoped_ptr<ClientImpl> client_;
   scoped_ptr<RemoteStatusUpdate> last_remote_status_update_;
 
   base::WeakPtrFactory<ProximityAuthWebUIHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProximityAuthWebUIHandler);
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_WEBUI_PROXIMITY_AUTH_WEBUI_HANDLER_H_