Pull authentication UX code out of JniInterface

remoting/android/java/src/org/chromium/chromoting/SessionConnector.java

 // Copyright 2014 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.
 
 package org.chromium.chromoting;
 
 import org.chromium.chromoting.jni.JniInterface;
 
 /**
  * This class manages making a connection to a host, with logic for reloading the host list and
  * retrying the connection in the case of a stale host JID.
  */
 public class SessionConnector implements JniInterface.ConnectionListener,
         HostListLoader.Callback {
     private JniInterface.ConnectionListener mConnectionCallback;
     private HostListLoader.Callback mHostListCallback;
     private HostListLoader mHostListLoader;
+    private SessionAuthenticator mAuthenticator;
 
     private String mAccountName;
     private String mAuthToken;
 
     /** Used to find the HostInfo from the returned array after the host list is reloaded. */
     private String mHostId;
 
     private String mHostJabberId;
 
     /**
      * Tracks whether the connection has been established. Auto-reloading and reconnecting should
      * only happen if connection has not yet occurred.
      */
     private boolean mConnected;
 
     /**
      * @param connectionCallback Object to be notified on connection success/failure.
      * @param hostListCallback Object to be notified whenever the host list is reloaded.
      * @param hostListLoader The object used for reloading the host list.
      */
     public SessionConnector(JniInterface.ConnectionListener connectionCallback,
             HostListLoader.Callback hostListCallback, HostListLoader hostListLoader) {
         mConnectionCallback = connectionCallback;
         mHostListCallback = hostListCallback;
         mHostListLoader = hostListLoader;
     }
 
     /** Initiates a connection to the host. */
-    public void connectToHost(String accountName, String authToken, HostInfo host) {
+    public void connectToHost(String accountName, String authToken, HostInfo host,
+            SessionAuthenticator authenticator) {
         mAccountName = accountName;
         mAuthToken = authToken;
         mHostId = host.id;
         mHostJabberId = host.jabberId;
+        mAuthenticator = authenticator;
 
         if (hostIncomplete(host)) {
             // These keys might not be present in a newly-registered host, so treat this as a
             // connection failure and reload the host list.
             reloadHostListAndConnect();
             return;
         }
 
         JniInterface.connectToHost(accountName, authToken, host.jabberId, host.id, host.publicKey,
-                this);
+                this, mAuthenticator);
     }
 
     private static boolean hostIncomplete(HostInfo host) {
         return host.jabberId.isEmpty() || host.publicKey.isEmpty();
     }
 
     private void reloadHostListAndConnect() {
         mHostListLoader.retrieveHostList(mAuthToken, this);
     }
 
@@ skipping 30 matching lines @@
         if (foundHost == null || foundHost.jabberId.equals(mHostJabberId)
                 || hostIncomplete(foundHost)) {
             // Cannot reconnect to this host, or there's no point in trying because the JID is
             // unchanged, so report the original failure to the client.
             mConnectionCallback.onConnectionState(JniInterface.ConnectionListener.State.FAILED,
                     JniInterface.ConnectionListener.Error.PEER_IS_OFFLINE);
         } else {
             // Reconnect to the host, but use the original callback directly, instead of this
             // wrapper object, so the host list is not loaded again.
             JniInterface.connectToHost(mAccountName, mAuthToken, foundHost.jabberId,
-                    foundHost.id, foundHost.publicKey, mConnectionCallback);
+                    foundHost.id, foundHost.publicKey, mConnectionCallback, mAuthenticator);
         }
     }
 
     @Override
     public void onError(HostListLoader.Error error) {
         // Connection failed and reloading the host list also failed, so report the connection
         // error.
         mConnectionCallback.onConnectionState(JniInterface.ConnectionListener.State.FAILED,
                 JniInterface.ConnectionListener.Error.PEER_IS_OFFLINE);
 
         // Notify the caller that the host list failed to load, so the UI is updated accordingly.
         // The currently-displayed host list is not likely to be valid any more.
         mHostListCallback.onError(error);
     }
 }