Merge tag 'oc-android-1-3-22' into oauth_login
[pub/Android/ownCloud.git] / src / com / owncloud / android / ui / activity / AuthenticatorActivity.java
index d277040..011abfc 100644 (file)
 \r
 package com.owncloud.android.ui.activity;\r
 \r
-import java.net.MalformedURLException;\r
-import java.net.URL;\r
-\r
 import com.owncloud.android.AccountUtils;\r
 import com.owncloud.android.authenticator.AccountAuthenticator;\r
-import com.owncloud.android.authenticator.AuthenticationRunnable;\r
-import com.owncloud.android.authenticator.OnAuthenticationResultListener;\r
-import com.owncloud.android.authenticator.OnConnectCheckListener;\r
+import com.owncloud.android.authenticator.oauth2.OAuth2Context;\r
 import com.owncloud.android.ui.dialog.SslValidatorDialog;\r
 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;\r
+import com.owncloud.android.utils.OwnCloudVersion;\r
 import com.owncloud.android.network.OwnCloudClientUtils;\r
-import com.owncloud.android.operations.ConnectionCheckOperation;\r
+import com.owncloud.android.operations.OwnCloudServerCheckOperation;\r
+import com.owncloud.android.operations.ExistenceCheckOperation;\r
+import com.owncloud.android.operations.OAuth2GetAccessToken;\r
 import com.owncloud.android.operations.OnRemoteOperationListener;\r
 import com.owncloud.android.operations.RemoteOperation;\r
 import com.owncloud.android.operations.RemoteOperationResult;\r
+import com.owncloud.android.operations.RemoteOperationResult.ResultCode;\r
 \r
 import android.accounts.Account;\r
 import android.accounts.AccountAuthenticatorActivity;\r
@@ -52,13 +51,15 @@ import android.preference.PreferenceManager;
 import android.text.InputType;\r
 import android.util.Log;\r
 import android.view.View;\r
-import android.view.View.OnClickListener;\r
 import android.view.View.OnFocusChangeListener;\r
 import android.view.Window;\r
-import android.widget.Button;\r
+import android.widget.CheckBox;\r
 import android.widget.EditText;\r
+import android.widget.Button;\r
 import android.widget.ImageView;\r
 import android.widget.TextView;\r
+import android.widget.Toast;\r
+\r
 import com.owncloud.android.R;\r
 \r
 import eu.alefzero.webdav.WebdavClient;\r
@@ -67,305 +68,610 @@ import eu.alefzero.webdav.WebdavClient;
  * This Activity is used to add an ownCloud account to the App\r
  * \r
  * @author Bartek Przybylski\r
- * \r
+ * @author David A. Velasco\r
  */\r
 public class AuthenticatorActivity extends AccountAuthenticatorActivity\r
-        implements OnAuthenticationResultListener, OnConnectCheckListener, OnRemoteOperationListener, OnSslValidatorListener, \r
-        OnFocusChangeListener, OnClickListener {\r
+        implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeListener {\r
+\r
+    private static final String TAG = AuthenticatorActivity.class.getSimpleName();\r
+\r
+    public static final String EXTRA_ACCOUNT = "ACCOUNT";\r
+    public static final String EXTRA_USER_NAME = "USER_NAME";\r
+    public static final String EXTRA_HOST_NAME = "HOST_NAME";\r
+    public static final String EXTRA_ACTION = "ACTION";\r
+    \r
+    private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";\r
+    private static final String KEY_OC_VERSION = "OC_VERSION";\r
+    private static final String KEY_ACCOUNT = "ACCOUNT";\r
+    private static final String KEY_STATUS_TEXT = "STATUS_TEXT";\r
+    private static final String KEY_STATUS_ICON = "STATUS_ICON";\r
+    private static final String KEY_STATUS_CORRECT = "STATUS_CORRECT";\r
+    private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";\r
+    private static final String KEY_OAUTH2_STATUS_TEXT = "OAUTH2_STATUS_TEXT";\r
+    private static final String KEY_OAUTH2_STATUS_ICON = "OAUTH2_STATUS_ICON";\r
 \r
     private static final int DIALOG_LOGIN_PROGRESS = 0;\r
     private static final int DIALOG_SSL_VALIDATOR = 1;\r
     private static final int DIALOG_CERT_NOT_SAVED = 2;\r
+    private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 3;\r
 \r
-    private static final String TAG = "AuthActivity";\r
+    public static final byte ACTION_CREATE = 0;\r
+    public static final byte ACTION_UPDATE_TOKEN = 1;\r
 \r
-    private Thread mAuthThread;\r
-    private AuthenticationRunnable mAuthRunnable;\r
-    //private ConnectionCheckerRunnable mConnChkRunnable = null;\r
-    private ConnectionCheckOperation mConnChkRunnable;\r
-    private final Handler mHandler = new Handler();\r
-    private String mBaseUrl;\r
     \r
-    private static final String STATUS_TEXT = "STATUS_TEXT";\r
-    private static final String STATUS_ICON = "STATUS_ICON";\r
-    private static final String STATUS_CORRECT = "STATUS_CORRECT";\r
-    private static final String IS_SSL_CONN = "IS_SSL_CONN";\r
+    private String mHostBaseUrl;\r
+    private OwnCloudVersion mDiscoveredVersion;\r
+    \r
     private int mStatusText, mStatusIcon;\r
     private boolean mStatusCorrect, mIsSslConn;\r
+    private int mOAuth2StatusText, mOAuth2StatusIcon;    \r
+    \r
+    private final Handler mHandler = new Handler();\r
+    private Thread mOperationThread;\r
+    private OwnCloudServerCheckOperation mOcServerChkOperation;\r
+    private ExistenceCheckOperation mAuthCheckOperation;\r
     private RemoteOperationResult mLastSslUntrustedServerResult;\r
 \r
-    public static final String PARAM_USERNAME = "param_Username";\r
-    public static final String PARAM_HOSTNAME = "param_Hostname";\r
-\r
+    //private Thread mOAuth2GetCodeThread;\r
+    //private OAuth2GetAuthorizationToken mOAuth2GetCodeRunnable;     \r
+    //private TokenReceiver tokenReceiver;\r
+    //private JSONObject mCodeResponseJson; \r
+    private Uri mNewCapturedUriFromOAuth2Redirection;\r
+    \r
+    private AccountManager mAccountMgr;\r
+    private boolean mJustCreated;\r
+    private byte mAction;\r
+    private Account mAccount;\r
+    \r
+    private ImageView mRefreshButton;\r
+    private ImageView mViewPasswordButton;\r
+    private EditText mHostUrlInput;\r
+    private EditText mUsernameInput;\r
+    private EditText mPasswordInput;\r
+    private CheckBox mOAuth2Check;\r
+    private String mOAuthAccessToken;\r
+    private View mOkButton;\r
+    private TextView mAuthStatusLayout;\r
+    \r
+    private TextView mOAuthAuthEndpointText;\r
+    private TextView mOAuthTokenEndpointText;\r
+    \r
+    \r
+    /**\r
+     * {@inheritDoc}\r
+     * \r
+     * IMPORTANT ENTRY POINT 1: activity is shown to the user\r
+     */\r
     @Override\r
     protected void onCreate(Bundle savedInstanceState) {\r
         super.onCreate(savedInstanceState);\r
         getWindow().requestFeature(Window.FEATURE_NO_TITLE);\r
+        \r
+        /// set view and get references to view elements\r
         setContentView(R.layout.account_setup);\r
-        ImageView iv = (ImageView) findViewById(R.id.refreshButton);\r
-        ImageView iv2 = (ImageView) findViewById(R.id.viewPassword);\r
-        TextView tv = (TextView) findViewById(R.id.host_URL);\r
-        TextView tv2 = (TextView) findViewById(R.id.account_password);\r
-\r
-        if (savedInstanceState != null) {\r
-            mStatusIcon = savedInstanceState.getInt(STATUS_ICON);\r
-            mStatusText = savedInstanceState.getInt(STATUS_TEXT);\r
-            mStatusCorrect = savedInstanceState.getBoolean(STATUS_CORRECT);\r
-            mIsSslConn = savedInstanceState.getBoolean(IS_SSL_CONN);\r
-            setResultIconAndText(mStatusIcon, mStatusText);\r
-            findViewById(R.id.buttonOK).setEnabled(mStatusCorrect);\r
-            if (!mStatusCorrect)\r
-                iv.setVisibility(View.VISIBLE);\r
-            else\r
-                iv.setVisibility(View.INVISIBLE);\r
+        mRefreshButton = (ImageView) findViewById(R.id.refreshButton);\r
+        mViewPasswordButton = (ImageView) findViewById(R.id.viewPasswordButton);\r
+        mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);\r
+        mUsernameInput = (EditText) findViewById(R.id.account_username);\r
+        mPasswordInput = (EditText) findViewById(R.id.account_password);\r
+        mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);\r
+        mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);\r
+        mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);\r
+        mOkButton = findViewById(R.id.buttonOK);\r
+        mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text); \r
+        \r
 \r
-        } else {\r
+        /// complete label for 'register account' button\r
+        Button b = (Button) findViewById(R.id.account_register);\r
+        if (b != null) {\r
+            b.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));\r
+        }\r
+\r
+        /// bind view elements to listeners\r
+        mHostUrlInput.setOnFocusChangeListener(this);\r
+        mPasswordInput.setOnFocusChangeListener(this);\r
+        \r
+        /// initialization\r
+        mAccountMgr = AccountManager.get(this);\r
+        mNewCapturedUriFromOAuth2Redirection = null;    // TODO save?\r
+        mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE); \r
+        mAccount = null;\r
+\r
+        if (savedInstanceState == null) {\r
+            /// connection state and info\r
             mStatusText = mStatusIcon = 0;\r
             mStatusCorrect = false;\r
             mIsSslConn = false;\r
-        }\r
-        iv.setOnClickListener(this);\r
-        iv2.setOnClickListener(this);\r
-        tv.setOnFocusChangeListener(this);\r
-        tv2.setOnFocusChangeListener(this);\r
+            \r
+            /// retrieve extras from intent\r
+            String tokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);\r
+            boolean oAuthRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(tokenType);\r
+            \r
+            mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);\r
+            if (mAccount != null) {\r
+                String ocVersion = mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION);\r
+                if (ocVersion != null) {\r
+                    mDiscoveredVersion = new OwnCloudVersion(ocVersion);\r
+                }\r
+                mHostBaseUrl = mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);\r
+                mHostUrlInput.setText(mHostBaseUrl);\r
+                String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));\r
+                mUsernameInput.setText(userName);\r
+                oAuthRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2) != null);\r
+            }\r
+            mOAuth2Check.setChecked(oAuthRequired);\r
+            changeViewByOAuth2Check(oAuthRequired);\r
+            \r
 \r
-        Button b = (Button) findViewById(R.id.account_register);\r
-        if (b != null) {\r
-            b.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));\r
+        } else {\r
+            loadSavedInstanceState(savedInstanceState);\r
+        }\r
+        \r
+        if (mAction == ACTION_UPDATE_TOKEN) {\r
+            /// lock things that should not change\r
+            mHostUrlInput.setEnabled(false);\r
+            mUsernameInput.setEnabled(false);\r
+            mOAuth2Check.setVisibility(View.GONE);\r
+            checkOcServer(); \r
         }\r
+        \r
+        mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)\r
+        mJustCreated = true;\r
     }\r
 \r
+\r
+    /**\r
+     * Saves relevant state before {@link #onPause()}\r
+     * \r
+     * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the \r
+     * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()} \r
+     * \r
+     * See {@link #loadSavedInstanceState(Bundle)}\r
+     */\r
     @Override\r
     protected void onSaveInstanceState(Bundle outState) {\r
-        outState.putInt(STATUS_ICON, mStatusIcon);\r
-        outState.putInt(STATUS_TEXT, mStatusText);\r
-        outState.putBoolean(STATUS_CORRECT, mStatusCorrect);\r
         super.onSaveInstanceState(outState);\r
+        \r
+        /// connection state and info\r
+        outState.putInt(KEY_STATUS_TEXT, mStatusText);\r
+        outState.putInt(KEY_STATUS_ICON, mStatusIcon);\r
+        outState.putBoolean(KEY_STATUS_CORRECT, mStatusCorrect);\r
+        outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);\r
+\r
+        /// server data\r
+        if (mDiscoveredVersion != null) \r
+            outState.putString(KEY_OC_VERSION, mDiscoveredVersion.toString());\r
+        outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);\r
+        \r
+        /// account data, if updating\r
+        if (mAccount != null)\r
+            outState.putParcelable(KEY_ACCOUNT, mAccount);\r
+        \r
+        // Saving the state of oAuth2 components.\r
+        outState.putInt(KEY_OAUTH2_STATUS_ICON, mOAuth2StatusIcon);\r
+        outState.putInt(KEY_OAUTH2_STATUS_TEXT, mOAuth2StatusText);\r
+        \r
+        /* Leave old OAuth flow\r
+        if (codeResponseJson != null){\r
+            outState.putString(KEY_OAUTH2_CODE_RESULT, codeResponseJson.toString());\r
+        }\r
+        */\r
     }\r
 \r
+\r
+    /**\r
+     * Loads saved state\r
+     * \r
+     * See {@link #onSaveInstanceState(Bundle)}.\r
+     * \r
+     * @param savedInstanceState    Saved state, as received in {@link #onCreate(Bundle)}.\r
+     */\r
+    private void loadSavedInstanceState(Bundle savedInstanceState) {\r
+        /// connection state and info\r
+        mStatusCorrect = savedInstanceState.getBoolean(KEY_STATUS_CORRECT);\r
+        mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);\r
+        mStatusText = savedInstanceState.getInt(KEY_STATUS_TEXT);\r
+        mStatusIcon = savedInstanceState.getInt(KEY_STATUS_ICON);\r
+        updateConnStatus();\r
+        \r
+        /// UI settings depending upon connection\r
+        mOkButton.setEnabled(mStatusCorrect);   // TODO really necessary?\r
+        if (!mStatusCorrect)\r
+            mRefreshButton.setVisibility(View.VISIBLE); // seems that setting visibility is necessary\r
+        else\r
+            mRefreshButton.setVisibility(View.INVISIBLE);\r
+        \r
+        /// server data\r
+        String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);\r
+        if (ocVersion != null)\r
+            mDiscoveredVersion = new OwnCloudVersion(ocVersion);\r
+        mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);\r
+        \r
+        // account data, if updating\r
+        mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);\r
+        \r
+        // state of oAuth2 components\r
+        mOAuth2StatusIcon = savedInstanceState.getInt(KEY_OAUTH2_STATUS_ICON);\r
+        mOAuth2StatusText = savedInstanceState.getInt(KEY_OAUTH2_STATUS_TEXT);\r
+        \r
+        /* Leave old OAuth flow\r
+        // We store a JSon object with all the data returned from oAuth2 server when we get user_code.\r
+        // Is better than store variable by variable. We use String object to serialize from/to it.\r
+           try {\r
+            if (savedInstanceState.containsKey(KEY_OAUTH2_CODE_RESULT)) {\r
+                codeResponseJson = new JSONObject(savedInstanceState.getString(KEY_OAUTH2_CODE_RESULT));\r
+            }\r
+        } catch (JSONException e) {\r
+            Log.e(TAG, "onCreate->JSONException: " + e.toString());\r
+        }*/\r
+        // END of getting the state of oAuth2 components.\r
+        \r
+    }\r
+\r
+    \r
+    /**\r
+     * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request\r
+     * is caught here.\r
+     * \r
+     * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the\r
+     * AndroidManifest.xml file.\r
+     */\r
     @Override\r
-    protected Dialog onCreateDialog(int id) {\r
-        Dialog dialog = null;\r
-        switch (id) {\r
-        case DIALOG_LOGIN_PROGRESS: {\r
-            ProgressDialog working_dialog = new ProgressDialog(this);\r
-            working_dialog.setMessage(getResources().getString(\r
-                    R.string.auth_trying_to_login));\r
-            working_dialog.setIndeterminate(true);\r
-            working_dialog.setCancelable(true);\r
-            working_dialog\r
-                    .setOnCancelListener(new DialogInterface.OnCancelListener() {\r
-                        @Override\r
-                        public void onCancel(DialogInterface dialog) {\r
-                            Log.i(TAG, "Login canceled");\r
-                            if (mAuthThread != null) {\r
-                                mAuthThread.interrupt();\r
-                                finish();\r
-                            }\r
-                        }\r
-                    });\r
-            dialog = working_dialog;\r
-            break;\r
-        }\r
-        case DIALOG_SSL_VALIDATOR: {\r
-            dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);\r
-            break;\r
-        }\r
-        case DIALOG_CERT_NOT_SAVED: {\r
-            AlertDialog.Builder builder = new AlertDialog.Builder(this);\r
-            builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));\r
-            builder.setCancelable(false);\r
-            builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {\r
-                    @Override\r
-                    public void onClick(DialogInterface dialog, int which) {\r
-                        dialog.dismiss();\r
-                    };\r
-                });\r
-            dialog = builder.create();\r
-            break;\r
+    protected void onNewIntent (Intent intent) {\r
+        Log.d(TAG, "onNewIntent()");\r
+        Uri data = intent.getData();\r
+        if (data != null && data.toString().startsWith(OAuth2Context.MY_REDIRECT_URI)) {\r
+            mNewCapturedUriFromOAuth2Redirection = data;\r
         }\r
-        default:\r
-            Log.e(TAG, "Incorrect dialog called with id = " + id);\r
-        }\r
-        return dialog;\r
     }\r
 \r
+    \r
+    /**\r
+     * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and \r
+     * deferred in {@link #onNewIntent(Intent)}, is processed here.\r
+     */\r
     @Override\r
-    protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {\r
-        switch (id) {\r
-        case DIALOG_LOGIN_PROGRESS:\r
-        case DIALOG_CERT_NOT_SAVED:\r
-            break;\r
-        case DIALOG_SSL_VALIDATOR: {\r
-            ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);\r
-            break;\r
+    protected void onResume() {\r
+        super.onResume();\r
+        // the state of mOAuth2Check is automatically recovered between configuration changes, but not before onCreate() finishes; so keep the next lines here\r
+        changeViewByOAuth2Check(mOAuth2Check.isChecked());  \r
+        if (mAction == ACTION_UPDATE_TOKEN && mJustCreated) {\r
+            if (mOAuth2Check.isChecked())\r
+                Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();\r
+            else\r
+                Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();\r
         }\r
-        default:\r
-            Log.e(TAG, "Incorrect dialog called with id = " + id);\r
+           \r
+        \r
+        /* LEAVE OLD OAUTH FLOW ; \r
+        // (old oauth code) Registering token receiver. We must listening to the service that is pooling to the oAuth server for a token.\r
+        if (tokenReceiver == null) {\r
+            IntentFilter tokenFilter = new IntentFilter(OAuth2GetTokenService.TOKEN_RECEIVED_MESSAGE);                \r
+            tokenReceiver = new TokenReceiver();\r
+            this.registerReceiver(tokenReceiver,tokenFilter);\r
+        } */\r
+        // (new oauth code)\r
+        if (mNewCapturedUriFromOAuth2Redirection != null) {\r
+            getOAuth2AccessTokenFromCapturedRedirection();            \r
         }\r
+        \r
+        mJustCreated = false;\r
     }\r
+    \r
+    \r
+    @Override protected void onDestroy() {       \r
+        super.onDestroy();\r
 \r
-    public void onAuthenticationResult(boolean success, String message) {\r
-        if (success) {\r
-            TextView username_text = (TextView) findViewById(R.id.account_username), password_text = (TextView) findViewById(R.id.account_password);\r
+        /* LEAVE OLD OAUTH FLOW\r
+        // We must stop the service thats it's pooling to oAuth2 server for a token.\r
+        Intent tokenService = new Intent(this, OAuth2GetTokenService.class);\r
+        stopService(tokenService);\r
+        \r
+        // We stop listening the result of the pooling service.\r
+        if (tokenReceiver != null) {\r
+            unregisterReceiver(tokenReceiver);\r
+            tokenReceiver = null;\r
+        }*/\r
 \r
-            URL url;\r
-            try {\r
-                url = new URL(message);\r
-            } catch (MalformedURLException e) {\r
-                // should never happen\r
-                Log.e(getClass().getName(), "Malformed URL: " + message);\r
-                return;\r
-            }\r
+    }    \r
+    \r
+    \r
+    /**\r
+     * Parses the redirection with the response to the GET AUTHORIZATION request to the \r
+     * oAuth server and requests for the access token (GET ACCESS TOKEN)\r
+     */\r
+    private void getOAuth2AccessTokenFromCapturedRedirection() {\r
+        /// Parse data from OAuth redirection\r
+        String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();\r
+        mNewCapturedUriFromOAuth2Redirection = null;\r
+        \r
+        /// Showing the dialog with instructions for the user.\r
+        showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);\r
 \r
-            String username = username_text.getText().toString().trim();\r
-            String accountName = username + "@" + url.getHost();\r
-            if (url.getPort() >= 0) {\r
-                accountName += ":" + url.getPort();\r
-            }\r
-            Account account = new Account(accountName,\r
-                    AccountAuthenticator.ACCOUNT_TYPE);\r
-            AccountManager accManager = AccountManager.get(this);\r
-            accManager.addAccountExplicitly(account, password_text.getText()\r
-                    .toString(), null);\r
-\r
-            // Add this account as default in the preferences, if there is none\r
-            // already\r
-            Account defaultAccount = AccountUtils\r
-                    .getCurrentOwnCloudAccount(this);\r
-            if (defaultAccount == null) {\r
-                SharedPreferences.Editor editor = PreferenceManager\r
-                        .getDefaultSharedPreferences(this).edit();\r
-                editor.putString("select_oc_account", accountName);\r
-                editor.commit();\r
-            }\r
+        /// GET ACCESS TOKEN to the oAuth server \r
+        RemoteOperation operation = new OAuth2GetAccessToken(queryParameters);\r
+        WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth_url_endpoint_access)), getApplicationContext());\r
+        operation.execute(client, this, mHandler);\r
+    }\r
+    \r
 \r
-            final Intent intent = new Intent();\r
-            intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,\r
-                    AccountAuthenticator.ACCOUNT_TYPE);\r
-            intent.putExtra(AccountManager.KEY_ACCOUNT_NAME, account.name);\r
-            intent.putExtra(AccountManager.KEY_AUTHTOKEN,\r
-                    AccountAuthenticator.ACCOUNT_TYPE);\r
-            intent.putExtra(AccountManager.KEY_USERDATA, username);\r
-\r
-            accManager.setUserData(account,\r
-                    AccountAuthenticator.KEY_OC_VERSION, mConnChkRunnable\r
-                            .getDiscoveredVersion().toString());\r
+    \r
+    /**\r
+     * Handles the change of focus on the text inputs for the server URL and the password\r
+     */\r
+    public void onFocusChange(View view, boolean hasFocus) {\r
+        if (view.getId() == R.id.hostUrlInput) {\r
+            onUrlInputFocusChanged((TextView) view, hasFocus);\r
             \r
-            accManager.setUserData(account,\r
-                    AccountAuthenticator.KEY_OC_BASE_URL, mBaseUrl);\r
-\r
-            setAccountAuthenticatorResult(intent.getExtras());\r
-            setResult(RESULT_OK, intent);\r
-            Bundle bundle = new Bundle();\r
-            bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);\r
-            //getContentResolver().startSync(ProviderTableMeta.CONTENT_URI,\r
-            //        bundle);\r
-            ContentResolver.requestSync(account, "org.owncloud", bundle);\r
-\r
-            /*\r
-             * if\r
-             * (mConnChkRunnable.getDiscoveredVersion().compareTo(OwnCloudVersion\r
-             * .owncloud_v2) >= 0) { Intent i = new Intent(this,\r
-             * ExtensionsAvailableActivity.class); startActivity(i); }\r
-             */\r
+        } else if (view.getId() == R.id.account_password) {\r
+            onPasswordFocusChanged((TextView) view, hasFocus);\r
+        }\r
+    }\r
+    \r
 \r
-            finish();\r
+    /**\r
+     * Handles changes in focus on the text input for the server URL.\r
+     * \r
+     * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to \r
+     * other field. The operation to check the existence of the server in the entered URL is\r
+     * started. \r
+     * \r
+     * When hasFocus:    user 'comes back' to write again the server URL.\r
+     * \r
+     * @param hostInput     TextView with the URL input field receiving the change of focus.\r
+     * @param hasFocus      'True' if focus is received, 'false' if is lost\r
+     */\r
+    private void onUrlInputFocusChanged(TextView hostInput, boolean hasFocus) {\r
+        if (!hasFocus) {\r
+            checkOcServer();\r
+            \r
         } else {\r
-            try {\r
-                dismissDialog(DIALOG_LOGIN_PROGRESS);\r
-            } catch (IllegalArgumentException e) {\r
-                // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens\r
-            }\r
-            TextView tv = (TextView) findViewById(R.id.account_username);\r
-            tv.setError(message + "        ");  // the extra spaces are a workaround for an ugly bug: \r
-                                                // 1. insert wrong credentials and connect\r
-                                                // 2. put the focus on the user name field with using hardware controls (don't touch the screen); the error is shown UNDER the field\r
-                                                // 3. touch the user name field; the software keyboard appears; the error popup is moved OVER the field and SHRINKED in width, losing the last word\r
-                                                // Seen, at least, in Android 2.x devices\r
+            // avoids that the 'connect' button can be clicked if the test was previously passed\r
+            mOkButton.setEnabled(false); \r
+        }\r
+    }\r
+\r
+\r
+    private void checkOcServer() {\r
+        String uri = mHostUrlInput.getText().toString().trim();\r
+        if (uri.length() != 0) {\r
+            mStatusText = R.string.auth_testing_connection;\r
+            mStatusIcon = R.drawable.progress_small;\r
+            updateConnStatus();\r
+            /** TODO cancel previous connection check if the user tries to ammend a wrong URL  \r
+            if(mConnChkOperation != null) {\r
+                mConnChkOperation.cancel();\r
+            } */\r
+            mOcServerChkOperation = new  OwnCloudServerCheckOperation(uri, this);\r
+            WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(uri), this);\r
+            mHostBaseUrl = "";\r
+            mDiscoveredVersion = null;\r
+            mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);\r
+        } else {\r
+            mRefreshButton.setVisibility(View.INVISIBLE);\r
+            mStatusText = 0;\r
+            mStatusIcon = 0;\r
+            updateConnStatus();\r
         }\r
     }\r
+\r
+\r
+    /**\r
+     * Handles changes in focus on the text input for the password (basic authorization).\r
+     * \r
+     * When (hasFocus), the button to toggle password visibility is shown.\r
+     * \r
+     * When (!hasFocus), the button is made invisible and the password is hidden.\r
+     * \r
+     * @param passwordInput    TextView with the password input field receiving the change of focus.\r
+     * @param hasFocus          'True' if focus is received, 'false' if is lost\r
+     */\r
+    private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {\r
+        if (hasFocus) {\r
+            mViewPasswordButton.setVisibility(View.VISIBLE);\r
+        } else {\r
+            int input_type = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;\r
+            passwordInput.setInputType(input_type);\r
+            mViewPasswordButton.setVisibility(View.INVISIBLE);\r
+        }\r
+    }\r
+\r
+\r
+    \r
+    /**\r
+     * Cancels the authenticator activity\r
+     * \r
+     * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation\r
+     * \r
+     * This method is bound in the layout/acceoun_setup.xml resource file.\r
+     * \r
+     * @param view      Cancel button\r
+     */\r
     public void onCancelClick(View view) {\r
-        setResult(RESULT_CANCELED);\r
+        setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator\r
         finish();\r
     }\r
     \r
+    \r
+    \r
+    /**\r
+     * Checks the credentials of the user in the root of the ownCloud server\r
+     * before creating a new local account.\r
+     * \r
+     * For basic authorization, a check of existence of the root folder is\r
+     * performed.\r
+     * \r
+     * For OAuth, starts the flow to get an access token; the credentials test \r
+     * is postponed until it is available.\r
+     * \r
+     * IMPORTANT ENTRY POINT 4\r
+     * \r
+     * @param view      OK button\r
+     */\r
     public void onOkClick(View view) {\r
-        String prefix = "";\r
-        String url = ((TextView) findViewById(R.id.host_URL)).getText()\r
-                .toString().trim();\r
-        if (mIsSslConn) {\r
-            prefix = "https://";\r
-        } else {\r
-            prefix = "http://";\r
+        // this check should be unnecessary\r
+        if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {\r
+            mStatusIcon = R.drawable.common_error;\r
+            mStatusText = R.string.auth_wtf_reenter_URL;\r
+            updateConnStatus();\r
+            mOkButton.setEnabled(false);\r
+            Log.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");\r
+            return;\r
         }\r
-        if (url.toLowerCase().startsWith("http://")\r
-                || url.toLowerCase().startsWith("https://")) {\r
-            prefix = "";\r
+        \r
+        if (mOAuth2Check.isChecked()) {\r
+            startOauthorization();\r
+            \r
+        } else {\r
+            checkBasicAuthorization();\r
         }\r
-        continueConnection(prefix);\r
     }\r
     \r
-    public void onRegisterClick(View view) {\r
-        Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.url_account_register)));\r
-        setResult(RESULT_CANCELED);\r
-        startActivity(register);\r
+    \r
+    /**\r
+     * Tests the credentials entered by the user performing a check of existence on \r
+     * the root folder of the ownCloud server.\r
+     */\r
+    private void checkBasicAuthorization() {\r
+        /// get the path to the root folder through WebDAV from the version server\r
+        String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, false);\r
+        \r
+        /// get basic credentials entered by user\r
+        String username = mUsernameInput.getText().toString();\r
+        String password = mPasswordInput.getText().toString();\r
+        \r
+        /// be gentle with the user\r
+        showDialog(DIALOG_LOGIN_PROGRESS);\r
+        \r
+        /// test credentials accessing the root folder\r
+        mAuthCheckOperation = new  ExistenceCheckOperation("", this, false);\r
+        WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);\r
+        client.setBasicCredentials(username, password);\r
+        mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);\r
     }\r
 \r
-    private void continueConnection(String prefix) {\r
-        String url = ((TextView) findViewById(R.id.host_URL)).getText()\r
-                .toString().trim();\r
-        String username = ((TextView) findViewById(R.id.account_username))\r
-                .getText().toString();\r
-        String password = ((TextView) findViewById(R.id.account_password))\r
-                .getText().toString();\r
-        if (url.endsWith("/"))\r
-            url = url.substring(0, url.length() - 1);\r
-\r
-        URL uri = null;\r
-        String webdav_path = AccountUtils.getWebdavPath(mConnChkRunnable\r
-                .getDiscoveredVersion());\r
-        \r
-        if (webdav_path == null) {\r
-            onAuthenticationResult(false, getString(R.string.auth_bad_oc_version_title));\r
-            return;\r
-        }\r
+\r
+    /**\r
+     * Starts the OAuth 'grant type' flow to get an access token, with \r
+     * a GET AUTHORIZATION request to the BUILT-IN authorization server. \r
+     */\r
+    private void startOauthorization() {\r
+        // be gentle with the user\r
+        mStatusIcon = R.drawable.progress_small;\r
+        mStatusText = R.string.oauth_login_connection;\r
+        updateAuthStatus();\r
         \r
-        try {\r
-            mBaseUrl = prefix + url;\r
-            String url_str = prefix + url + webdav_path;\r
-            uri = new URL(url_str);\r
-        } catch (MalformedURLException e) {\r
-            // should never happen\r
-            onAuthenticationResult(false, getString(R.string.auth_incorrect_address_title));\r
-            return;\r
+        // GET AUTHORIZATION request\r
+        /*\r
+        mOAuth2GetCodeRunnable = new OAuth2GetAuthorizationToken(, this);\r
+        mOAuth2GetCodeRunnable.setListener(this, mHandler);\r
+        mOAuth2GetCodeThread = new Thread(mOAuth2GetCodeRunnable);\r
+        mOAuth2GetCodeThread.start();\r
+        */\r
+        \r
+        //if (mGrantType.equals(OAuth2Context.OAUTH2_AUTH_CODE_GRANT_TYPE)) {\r
+        Uri uri = Uri.parse(getString(R.string.oauth_url_endpoint_auth));\r
+        Uri.Builder uriBuilder = uri.buildUpon();\r
+        uriBuilder.appendQueryParameter(OAuth2Context.CODE_RESPONSE_TYPE, OAuth2Context.OAUTH2_CODE_RESPONSE_TYPE);\r
+        uriBuilder.appendQueryParameter(OAuth2Context.CODE_REDIRECT_URI, OAuth2Context.MY_REDIRECT_URI);   \r
+        uriBuilder.appendQueryParameter(OAuth2Context.CODE_CLIENT_ID, OAuth2Context.OAUTH2_F_CLIENT_ID);\r
+        uriBuilder.appendQueryParameter(OAuth2Context.CODE_SCOPE, OAuth2Context.OAUTH2_F_SCOPE);\r
+        //uriBuilder.appendQueryParameter(OAuth2Context.CODE_STATE, whateverwewant);\r
+        uri = uriBuilder.build();\r
+        Log.d(TAG, "Starting browser to view " + uri.toString());\r
+        Intent i = new Intent(Intent.ACTION_VIEW, uri);\r
+        startActivity(i);\r
+        //}\r
+    }\r
+\r
+    \r
+    /**\r
+     * Callback method invoked when a RemoteOperation executed by this Activity finishes.\r
+     * \r
+     * Dispatches the operation flow to the right method.\r
+     */\r
+    @Override\r
+    public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {\r
+\r
+        if (operation instanceof OwnCloudServerCheckOperation) {\r
+            onOcServerCheckFinish((OwnCloudServerCheckOperation) operation, result);\r
+            \r
+        } else if (operation instanceof OAuth2GetAccessToken) {\r
+            onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);\r
+                \r
+        } else if (operation instanceof ExistenceCheckOperation)  {\r
+            onAuthorizationCheckFinish((ExistenceCheckOperation)operation, result);\r
+                \r
         }\r
+    }\r
+    \r
 \r
-        showDialog(DIALOG_LOGIN_PROGRESS);\r
-        mAuthRunnable = new AuthenticationRunnable(uri, username, password, this);\r
-        mAuthRunnable.setOnAuthenticationResultListener(this, mHandler);\r
-        mAuthThread = new Thread(mAuthRunnable);\r
-        mAuthThread.start();\r
+    /**\r
+     * Processes the result of the server check performed when the user finishes the enter of the\r
+     * server URL.\r
+     * \r
+     * @param operation     Server check performed.\r
+     * @param result        Result of the check.\r
+     */\r
+    private void onOcServerCheckFinish(OwnCloudServerCheckOperation operation, RemoteOperationResult result) {\r
+        /// update status icon and text\r
+        updateStatusIconAndText(result);\r
+        updateConnStatus();\r
+\r
+        /// save result state\r
+        mStatusCorrect = result.isSuccess();\r
+        mIsSslConn = (result.getCode() == ResultCode.OK_SSL);\r
+        \r
+        /// very special case (TODO: move to a common place for all the remote operations)\r
+        if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {\r
+            mLastSslUntrustedServerResult = result;\r
+            showDialog(DIALOG_SSL_VALIDATOR); \r
+        }\r
+        \r
+        /// update the visibility of the 'retry connection' button\r
+        if (!mStatusCorrect)\r
+            mRefreshButton.setVisibility(View.VISIBLE);\r
+        else\r
+            mRefreshButton.setVisibility(View.INVISIBLE);\r
+        \r
+        /// retrieve discovered version and normalize server URL\r
+        mDiscoveredVersion = operation.getDiscoveredVersion();\r
+        mHostBaseUrl = mHostUrlInput.getText().toString().trim();\r
+        if (!mHostBaseUrl.toLowerCase().startsWith("http://") &&\r
+            !mHostBaseUrl.toLowerCase().startsWith("https://")) {\r
+            \r
+            if (mIsSslConn) {\r
+                mHostBaseUrl = "https://" + mHostBaseUrl;\r
+            } else {\r
+                mHostBaseUrl = "http://" + mHostBaseUrl;\r
+            }\r
+            \r
+        }\r
+        if (mHostBaseUrl.endsWith("/"))\r
+            mHostBaseUrl = mHostBaseUrl.substring(0, mHostBaseUrl.length() - 1);\r
+        \r
+        /// allow or not the user try to access the server\r
+        mOkButton.setEnabled(mStatusCorrect);\r
     }\r
 \r
-    @Override\r
-    public void onConnectionCheckResult(ResultType type) {\r
+\r
+    /**\r
+     * Chooses the right icon and text to show to the user for the received operation result.\r
+     * \r
+     * @param result    Result of a remote operation performed in this activity\r
+     */\r
+    private void updateStatusIconAndText(RemoteOperationResult result) {\r
         mStatusText = mStatusIcon = 0;\r
-        mStatusCorrect = false;\r
-        String t_url = ((TextView) findViewById(R.id.host_URL)).getText()\r
-                .toString().trim().toLowerCase();\r
 \r
-        switch (type) {\r
+        switch (result.getCode()) {\r
         case OK_SSL:\r
-            mIsSslConn = true;\r
             mStatusIcon = android.R.drawable.ic_secure;\r
             mStatusText = R.string.auth_secure_connection;\r
-            mStatusCorrect = true;\r
             break;\r
+            \r
         case OK_NO_SSL:\r
-            mIsSslConn = false;\r
-            mStatusCorrect = true;\r
-            if (t_url.startsWith("http://") ) {\r
+        case OK:\r
+            if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {\r
                 mStatusText = R.string.auth_connection_established;\r
                 mStatusIcon = R.drawable.ic_ok;\r
             } else {\r
@@ -373,6 +679,12 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
                 mStatusIcon = android.R.drawable.ic_partial_secure;\r
             }\r
             break;\r
+            \r
+        case SSL_RECOVERABLE_PEER_UNVERIFIED:\r
+            mStatusIcon = R.drawable.common_error;\r
+            mStatusText = R.string.auth_ssl_unverified_server_title;\r
+            break;\r
+                \r
         case BAD_OC_VERSION:\r
             mStatusIcon = R.drawable.common_error;\r
             mStatusText = R.string.auth_bad_oc_version_title;\r
@@ -389,13 +701,15 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
             mStatusIcon = R.drawable.common_error;\r
             mStatusText = R.string.auth_incorrect_address_title;\r
             break;\r
-        case SSL_UNVERIFIED_SERVER:\r
+            \r
+        case SSL_ERROR:\r
             mStatusIcon = R.drawable.common_error;\r
-            mStatusText = R.string.auth_ssl_unverified_server_title;\r
+            mStatusText = R.string.auth_ssl_general_error_title;\r
             break;\r
-        case SSL_INIT_ERROR:\r
+            \r
+        case UNAUTHORIZED:\r
             mStatusIcon = R.drawable.common_error;\r
-            mStatusText = R.string.auth_ssl_general_error_title;\r
+            mStatusText = R.string.auth_unauthorized;\r
             break;\r
         case HOST_NOT_AVAILABLE:\r
             mStatusIcon = R.drawable.common_error;\r
@@ -409,201 +723,533 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
             mStatusIcon = R.drawable.common_error;\r
             mStatusText = R.string.auth_not_configured_title;\r
             break;\r
+        case FILE_NOT_FOUND:\r
+            mStatusIcon = R.drawable.common_error;\r
+            mStatusText = R.string.auth_incorrect_path_title;\r
+            break;\r
+        case OAUTH2_ERROR:\r
+            mStatusIcon = R.drawable.common_error;\r
+            mStatusText = R.string.auth_oauth_error;\r
+            break;\r
+        case OAUTH2_ERROR_ACCESS_DENIED:\r
+            mStatusIcon = R.drawable.common_error;\r
+            mStatusText = R.string.auth_oauth_error_access_denied;\r
+            break;\r
+        case UNHANDLED_HTTP_CODE:\r
         case UNKNOWN_ERROR:\r
             mStatusIcon = R.drawable.common_error;\r
             mStatusText = R.string.auth_unknown_error_title;\r
             break;\r
-        case FILE_NOT_FOUND:\r
-            mStatusIcon = R.drawable.common_error;\r
-            mStatusText = R.string.auth_incorrect_path_title;\r
+            \r
+        default:\r
             break;\r
+        }\r
+    }\r
+\r
+\r
+    /**\r
+     * Processes the result of the request for and access token send \r
+     * to an OAuth authorization server.\r
+     * \r
+     * @param operation     Operation performed requesting the access token.\r
+     * @param result        Result of the operation.\r
+     */\r
+    private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {\r
+        try {\r
+            dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);\r
+        } catch (IllegalArgumentException e) {\r
+            // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens\r
+        }\r
+\r
+        String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, true);\r
+        if (result.isSuccess() && webdav_path != null) {\r
+            /// be gentle with the user\r
+            showDialog(DIALOG_LOGIN_PROGRESS);\r
+            \r
+            /// time to test the retrieved access token on the ownCloud server\r
+            mOAuthAccessToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Context.KEY_ACCESS_TOKEN);\r
+            Log.d(TAG, "Got ACCESS TOKEN: " + mOAuthAccessToken);\r
+            mAuthCheckOperation = new ExistenceCheckOperation("", this, false);\r
+            WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);\r
+            client.setBearerCredentials(mOAuthAccessToken);\r
+            mAuthCheckOperation.execute(client, this, mHandler);\r
+            \r
+        } else {\r
+            updateStatusIconAndText(result);\r
+            updateAuthStatus();\r
+            Log.d(TAG, "Access failed: " + result.getLogMessage());\r
+        }\r
+    }\r
+\r
+    \r
+    /**\r
+     * Processes the result of the access check performed to try the user credentials.\r
+     * \r
+     * Creates a new account through the AccountManager.\r
+     * \r
+     * @param operation     Access check performed.\r
+     * @param result        Result of the operation.\r
+     */\r
+    private void onAuthorizationCheckFinish(ExistenceCheckOperation operation, RemoteOperationResult result) {\r
+        try {\r
+            dismissDialog(DIALOG_LOGIN_PROGRESS);\r
+        } catch (IllegalArgumentException e) {\r
+            // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens\r
+        }\r
+        \r
+        if (result.isSuccess()) {\r
+            Log.d(TAG, "Successful access - time to save the account");\r
+\r
+            if (mAction == ACTION_CREATE) {\r
+                createAccount();\r
+                \r
+            } else {\r
+                updateToken();\r
+            }\r
+            \r
+            finish();\r
+            \r
+        } else {\r
+            updateStatusIconAndText(result);\r
+            updateAuthStatus();\r
+            Log.d(TAG, "Access failed: " + result.getLogMessage());\r
+        }\r
+    }\r
+\r
+    \r
+    /**\r
+     * Sets the proper response to get that the Account Authenticator that started this activity saves \r
+     * a new authorization token for mAccount.\r
+     */\r
+    private void updateToken() {\r
+        Bundle response = new Bundle();\r
+        response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);\r
+        response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);\r
+        boolean isOAuth = mOAuth2Check.isChecked();\r
+        if (isOAuth) {\r
+            response.putString(AccountManager.KEY_AUTHTOKEN, mOAuthAccessToken);\r
+            // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention\r
+            mAccountMgr.setAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken);\r
+        } else {\r
+            response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());\r
+            mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());\r
+        }\r
+        setAccountAuthenticatorResult(response);\r
+    }\r
+\r
+\r
+    /**\r
+     * Creates a new account through the Account Authenticator that started this activity. \r
+     * \r
+     * This makes the account permanent.\r
+     * \r
+     * TODO Decide how to name the OAuth accounts\r
+     * TODO Minimize the direct interactions with the account manager; seems that not all the operations \r
+     * in the current code are really necessary, provided that right extras are returned to the Account\r
+     * Authenticator through setAccountAuthenticatorResult  \r
+     */\r
+    private void createAccount() {\r
+        /// create and save new ownCloud account\r
+        boolean isOAuth = mOAuth2Check.isChecked();\r
+        \r
+        Uri uri = Uri.parse(mHostBaseUrl);\r
+        String username = mUsernameInput.getText().toString().trim();\r
+        if (isOAuth) {\r
+            username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();    // TODO change this to something readable\r
+        }            \r
+        String accountName = username + "@" + uri.getHost();\r
+        if (uri.getPort() >= 0) {\r
+            accountName += ":" + uri.getPort();\r
+        }\r
+        mAccount = new Account(accountName, AccountAuthenticator.ACCOUNT_TYPE);\r
+        if (isOAuth) {\r
+            mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with our implementation, the password is never input in the app\r
+        } else {\r
+            mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);\r
+        }\r
+\r
+        /// add the new account as default in preferences, if there is none already\r
+        Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);\r
+        if (defaultAccount == null) {\r
+            SharedPreferences.Editor editor = PreferenceManager\r
+                    .getDefaultSharedPreferences(this).edit();\r
+            editor.putString("select_oc_account", accountName);\r
+            editor.commit();\r
+        }\r
+\r
+        /// prepare result to return to the Authenticator\r
+        //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done\r
+        final Intent intent = new Intent();       \r
+        intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    AccountAuthenticator.ACCOUNT_TYPE);\r
+        intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);\r
+        if (!isOAuth)\r
+            intent.putExtra(AccountManager.KEY_AUTHTOKEN,   AccountAuthenticator.ACCOUNT_TYPE); // TODO check this; not sure it's right; maybe\r
+        intent.putExtra(AccountManager.KEY_USERDATA,        username);\r
+        if (isOAuth) {\r
+            mAccountMgr.setAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken);\r
+        }\r
+        /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA\r
+        mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION,    mDiscoveredVersion.toString());\r
+        mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL,   mHostBaseUrl);\r
+        if (isOAuth)\r
+            mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2, "TRUE");  // TODO this flag should be unnecessary\r
+    \r
+        setAccountAuthenticatorResult(intent.getExtras());\r
+        setResult(RESULT_OK, intent);\r
+        \r
+        /// immediately request for the synchronization of the new account\r
+        Bundle bundle = new Bundle();\r
+        bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);\r
+        ContentResolver.requestSync(mAccount, AccountAuthenticator.AUTHORITY, bundle);\r
+    }\r
+\r
+\r
+    /**\r
+     * {@inheritDoc}\r
+     * \r
+     * Necessary to update the contents of the SSL Dialog\r
+     * \r
+     * TODO move to some common place for all possible untrusted SSL failures\r
+     */\r
+    @Override\r
+    protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {\r
+        switch (id) {\r
+        case DIALOG_LOGIN_PROGRESS:\r
+        case DIALOG_CERT_NOT_SAVED:\r
+        case DIALOG_OAUTH2_LOGIN_PROGRESS:\r
+            break;\r
+        case DIALOG_SSL_VALIDATOR: {\r
+            ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);\r
+            break;\r
+        }\r
         default:\r
-            Log.e(TAG, "Incorrect connection checker result type: " + type);\r
+            Log.e(TAG, "Incorrect dialog called with id = " + id);\r
         }\r
-        setResultIconAndText(mStatusIcon, mStatusText);\r
-        if (!mStatusCorrect)\r
-            findViewById(R.id.refreshButton).setVisibility(View.VISIBLE);\r
-        else\r
-            findViewById(R.id.refreshButton).setVisibility(View.INVISIBLE);\r
-        findViewById(R.id.buttonOK).setEnabled(mStatusCorrect);\r
     }\r
 \r
+    \r
+    /**\r
+     * {@inheritDoc}\r
+     */\r
     @Override\r
-    public void onFocusChange(View view, boolean hasFocus) {\r
-        if (view.getId() == R.id.host_URL) {\r
-            if (!hasFocus) {\r
-                TextView tv = ((TextView) findViewById(R.id.host_URL));\r
-                String uri = tv.getText().toString().trim();\r
-                if (uri.length() != 0) {\r
-                    setResultIconAndText(R.drawable.progress_small,\r
-                            R.string.auth_testing_connection);\r
-                    //mConnChkRunnable = new ConnectionCheckerRunnable(uri, this);\r
-                    mConnChkRunnable = new ConnectionCheckOperation(uri, this);\r
-                    //mConnChkRunnable.setListener(this, mHandler);\r
-                    //mAuthThread = new Thread(mConnChkRunnable);\r
-                    //mAuthThread.start();\r
-                       WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(uri), this);\r
-                    mAuthThread = mConnChkRunnable.execute(client, this, mHandler);\r
-                } else {\r
-                    findViewById(R.id.refreshButton).setVisibility(\r
-                            View.INVISIBLE);\r
-                    setResultIconAndText(0, 0);\r
+    protected Dialog onCreateDialog(int id) {\r
+        Dialog dialog = null;\r
+        switch (id) {\r
+        case DIALOG_LOGIN_PROGRESS: {\r
+            /// simple progress dialog\r
+            ProgressDialog working_dialog = new ProgressDialog(this);\r
+            working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));\r
+            working_dialog.setIndeterminate(true);\r
+            working_dialog.setCancelable(true);\r
+            working_dialog\r
+                    .setOnCancelListener(new DialogInterface.OnCancelListener() {\r
+                        @Override\r
+                        public void onCancel(DialogInterface dialog) {\r
+                            /// TODO study if this is enough\r
+                            Log.i(TAG, "Login canceled");\r
+                            if (mOperationThread != null) {\r
+                                mOperationThread.interrupt();\r
+                                finish();\r
+                            }\r
+                        }\r
+                    });\r
+            dialog = working_dialog;\r
+            break;\r
+        }\r
+        case DIALOG_OAUTH2_LOGIN_PROGRESS: {\r
+            /// oAuth2 dialog. We show here to the user the URL and user_code that the user must validate in a web browser. - OLD!\r
+            // TODO optimize this dialog\r
+            ProgressDialog working_dialog = new ProgressDialog(this);\r
+            /* Leave the old OAuth flow\r
+            try {\r
+                if (mCodeResponseJson != null && mCodeResponseJson.has(OAuth2GetCodeRunnable.CODE_VERIFICATION_URL)) {\r
+                    working_dialog.setMessage(String.format(getString(R.string.oauth_code_validation_message), \r
+                            mCodeResponseJson.getString(OAuth2GetCodeRunnable.CODE_VERIFICATION_URL), \r
+                            mCodeResponseJson.getString(OAuth2GetCodeRunnable.CODE_USER_CODE)));\r
+                } else {*/\r
+                    working_dialog.setMessage(String.format("Getting authorization")); \r
+                /*}\r
+            } catch (JSONException e) {\r
+                Log.e(TAG, "onCreateDialog->JSONException: " + e.toString());\r
+            }*/\r
+            working_dialog.setIndeterminate(true);\r
+            working_dialog.setCancelable(true);\r
+            working_dialog\r
+            .setOnCancelListener(new DialogInterface.OnCancelListener() {\r
+                @Override\r
+                public void onCancel(DialogInterface dialog) {\r
+                    Log.i(TAG, "Login canceled");\r
+                    /*if (mOAuth2GetCodeThread != null) {\r
+                        mOAuth2GetCodeThread.interrupt();\r
+                        finish();\r
+                    } */\r
+                    /*if (tokenReceiver != null) {\r
+                        unregisterReceiver(tokenReceiver);\r
+                        tokenReceiver = null;\r
+                        finish();\r
+                    }*/\r
+                    finish();\r
                 }\r
-            } else {\r
-                // avoids that the 'connect' button can be clicked if the test was previously passed\r
-                findViewById(R.id.buttonOK).setEnabled(false); \r
-            }\r
-        } else if (view.getId() == R.id.account_password) {\r
-            ImageView iv = (ImageView) findViewById(R.id.viewPassword);\r
-            if (hasFocus) {\r
-                iv.setVisibility(View.VISIBLE);\r
-            } else {\r
-                TextView v = (TextView) findViewById(R.id.account_password);\r
-                int input_type = InputType.TYPE_CLASS_TEXT\r
-                        | InputType.TYPE_TEXT_VARIATION_PASSWORD;\r
-                v.setInputType(input_type);\r
-                iv.setVisibility(View.INVISIBLE);\r
-            }\r
+            });\r
+            dialog = working_dialog;\r
+            break;\r
         }\r
+        case DIALOG_SSL_VALIDATOR: {\r
+            /// TODO start to use new dialog interface, at least for this (it is a FragmentDialog already)\r
+            dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);\r
+            break;\r
+        }\r
+        case DIALOG_CERT_NOT_SAVED: {\r
+            AlertDialog.Builder builder = new AlertDialog.Builder(this);\r
+            builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));\r
+            builder.setCancelable(false);\r
+            builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {\r
+                    @Override\r
+                    public void onClick(DialogInterface dialog, int which) {\r
+                        dialog.dismiss();\r
+                    };\r
+                });\r
+            dialog = builder.create();\r
+            break;\r
+        }\r
+        default:\r
+            Log.e(TAG, "Incorrect dialog called with id = " + id);\r
+        }\r
+        return dialog;\r
+    }\r
+\r
+    \r
+    /**\r
+     * Starts and activity to open the 'new account' page in the ownCloud web site\r
+     * \r
+     * @param view      'Account register' button\r
+     */\r
+    public void onRegisterClick(View view) {\r
+        Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.url_account_register)));\r
+        setResult(RESULT_CANCELED);\r
+        startActivity(register);\r
     }\r
 \r
-    private void setResultIconAndText(int drawable_id, int text_id) {\r
+    \r
+    /**\r
+     * Updates the content and visibility state of the icon and text associated\r
+     * to the last check on the ownCloud server.\r
+     */\r
+    private void updateConnStatus() {\r
         ImageView iv = (ImageView) findViewById(R.id.action_indicator);\r
         TextView tv = (TextView) findViewById(R.id.status_text);\r
 \r
-        if (drawable_id == 0 && text_id == 0) {\r
+        if (mStatusIcon == 0 && mStatusText == 0) {\r
             iv.setVisibility(View.INVISIBLE);\r
             tv.setVisibility(View.INVISIBLE);\r
         } else {\r
-            iv.setImageResource(drawable_id);\r
-            tv.setText(text_id);\r
+            iv.setImageResource(mStatusIcon);\r
+            tv.setText(mStatusText);\r
             iv.setVisibility(View.VISIBLE);\r
             tv.setVisibility(View.VISIBLE);\r
         }\r
     }\r
+    \r
+    \r
+    /**\r
+     * Updates the content and visibility state of the icon and text associated\r
+     * to the interactions with the OAuth authorization server.\r
+     */\r
+    private void updateAuthStatus() {\r
+        /*ImageView iv = (ImageView) findViewById(R.id.auth_status_icon);\r
+        TextView tv = (TextView) findViewById(R.id.auth_status_text);*/\r
+\r
+        if (mStatusIcon == 0 && mStatusText == 0) {\r
+            mAuthStatusLayout.setVisibility(View.INVISIBLE);\r
+            /*iv.setVisibility(View.INVISIBLE);\r
+            tv.setVisibility(View.INVISIBLE);*/\r
+        } else {\r
+            mAuthStatusLayout.setText(mStatusText);\r
+            mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mStatusIcon, 0, 0, 0);\r
+            /*iv.setImageResource(mStatusIcon);\r
+            tv.setText(mStatusText);\r
+            /*iv.setVisibility(View.VISIBLE);\r
+            tv.setVisibility(View.VISIBLE);^*/\r
+            mAuthStatusLayout.setVisibility(View.VISIBLE);\r
+        }\r
+    }     \r
 \r
+    \r
+    /**\r
+     * Called when the refresh button in the input field for ownCloud host is clicked.\r
+     * \r
+     * Performs a new check on the URL in the input field.\r
+     * \r
+     * @param view      Refresh 'button'\r
+     */\r
+    public void onRefreshClick(View view) {\r
+        onFocusChange(mRefreshButton, false);\r
+    }\r
+    \r
+    \r
+    /**\r
+     * Called when the eye icon in the password field is clicked.\r
+     * \r
+     * Toggles the visibility of the password in the field. \r
+     * \r
+     * @param view      'View password' 'button'\r
+     */\r
+    public void onViewPasswordClick(View view) {\r
+        int selectionStart = mPasswordInput.getSelectionStart();\r
+        int selectionEnd = mPasswordInput.getSelectionEnd();\r
+        int input_type = mPasswordInput.getInputType();\r
+        if ((input_type & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) {\r
+            input_type = InputType.TYPE_CLASS_TEXT\r
+                    | InputType.TYPE_TEXT_VARIATION_PASSWORD;\r
+        } else {\r
+            input_type = InputType.TYPE_CLASS_TEXT\r
+                    | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;\r
+        }\r
+        mPasswordInput.setInputType(input_type);\r
+        mPasswordInput.setSelection(selectionStart, selectionEnd);\r
+    }    \r
+    \r
+    \r
+    /**\r
+     * Called when the checkbox for OAuth authorization is clicked.\r
+     * \r
+     * Hides or shows the input fields for user & password. \r
+     * \r
+     * @param view      'View password' 'button'\r
+     */\r
+    public void onCheckClick(View view) {\r
+        CheckBox oAuth2Check = (CheckBox)view;      \r
+        changeViewByOAuth2Check(oAuth2Check.isChecked());\r
+\r
+    }\r
+    \r
+    /**\r
+     * Changes the visibility of input elements depending upon the kind of authorization\r
+     * chosen by the user: basic or OAuth\r
+     * \r
+     * @param checked       'True' when OAuth is selected.\r
+     */\r
+    public void changeViewByOAuth2Check(Boolean checked) {\r
+        \r
+        if (checked) {\r
+            mOAuthAuthEndpointText.setVisibility(View.VISIBLE);\r
+            mOAuthTokenEndpointText.setVisibility(View.VISIBLE);\r
+            mUsernameInput.setVisibility(View.GONE);\r
+            mPasswordInput.setVisibility(View.GONE);\r
+            mViewPasswordButton.setVisibility(View.GONE);\r
+        } else {\r
+            mOAuthAuthEndpointText.setVisibility(View.GONE);\r
+            mOAuthTokenEndpointText.setVisibility(View.GONE);\r
+            mUsernameInput.setVisibility(View.VISIBLE);\r
+            mPasswordInput.setVisibility(View.VISIBLE);\r
+            mViewPasswordButton.setVisibility(View.INVISIBLE);\r
+        }     \r
+\r
+    }    \r
+    \r
+    /* Leave the old OAuth flow\r
+    // Results from the first call to oAuth2 server : getting the user_code and verification_url.\r
     @Override\r
-    public void onClick(View v) {\r
-        if (v.getId() == R.id.refreshButton) {\r
-            onFocusChange(findViewById(R.id.host_URL), false);\r
-        } else if (v.getId() == R.id.viewPassword) {\r
-            EditText view = (EditText) findViewById(R.id.account_password);\r
-            int selectionStart = view.getSelectionStart();\r
-            int selectionEnd = view.getSelectionEnd();\r
-            int input_type = view.getInputType();\r
-            if ((input_type & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) {\r
-                input_type = InputType.TYPE_CLASS_TEXT\r
-                        | InputType.TYPE_TEXT_VARIATION_PASSWORD;\r
-            } else {\r
-                input_type = InputType.TYPE_CLASS_TEXT\r
-                        | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;\r
-            }\r
-            view.setInputType(input_type);\r
-            view.setSelection(selectionStart, selectionEnd);\r
+    public void onOAuth2GetCodeResult(ResultOAuthType type, JSONObject responseJson) {\r
+        if ((type == ResultOAuthType.OK_SSL)||(type == ResultOAuthType.OK_NO_SSL)) {\r
+            mCodeResponseJson = responseJson;\r
+            if (mCodeResponseJson != null) {\r
+                getOAuth2AccessTokenFromJsonResponse();\r
+            }  // else - nothing to do here - wait for callback !!!\r
+        \r
+        } else if (type == ResultOAuthType.HOST_NOT_AVAILABLE) {\r
+            updateOAuth2IconAndText(R.drawable.common_error, R.string.oauth_connection_url_unavailable);\r
         }\r
     }\r
 \r
-       @Override\r
-       public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {\r
-               if (operation.equals(mConnChkRunnable)) {\r
-                   \r
-               mStatusText = mStatusIcon = 0;\r
-               mStatusCorrect = false;\r
-               String t_url = ((TextView) findViewById(R.id.host_URL)).getText()\r
-                       .toString().trim().toLowerCase();\r
-               \r
-               switch (result.getCode()) {\r
-               case OK_SSL:\r
-                   mIsSslConn = true;\r
-                   mStatusIcon = android.R.drawable.ic_secure;\r
-                   mStatusText = R.string.auth_secure_connection;\r
-                   mStatusCorrect = true;\r
-                   break;\r
-                   \r
-               case OK_NO_SSL:\r
-               case OK:\r
-                   mIsSslConn = false;\r
-                   mStatusCorrect = true;\r
-                   if (t_url.startsWith("http://") ) {\r
-                       mStatusText = R.string.auth_connection_established;\r
-                       mStatusIcon = R.drawable.ic_ok;\r
-                   } else {\r
-                       mStatusText = R.string.auth_nossl_plain_ok_title;\r
-                       mStatusIcon = android.R.drawable.ic_partial_secure;\r
-                   }\r
-                   break;\r
-               \r
-                   \r
-               case BAD_OC_VERSION:\r
-                   mStatusIcon = R.drawable.common_error;\r
-                   mStatusText = R.string.auth_bad_oc_version_title;\r
-                   break;\r
-               case WRONG_CONNECTION:\r
-                   mStatusIcon = R.drawable.common_error;\r
-                   mStatusText = R.string.auth_wrong_connection_title;\r
-                   break;\r
-               case TIMEOUT:\r
-                   mStatusIcon = R.drawable.common_error;\r
-                   mStatusText = R.string.auth_timeout_title;\r
-                   break;\r
-               case INCORRECT_ADDRESS:\r
-                   mStatusIcon = R.drawable.common_error;\r
-                   mStatusText = R.string.auth_incorrect_address_title;\r
-                   break;\r
-                   \r
-            case SSL_RECOVERABLE_PEER_UNVERIFIED:\r
-                mStatusIcon = R.drawable.common_error;\r
-                mStatusText = R.string.auth_ssl_unverified_server_title;\r
-                mLastSslUntrustedServerResult = result;\r
-                showDialog(DIALOG_SSL_VALIDATOR); \r
-                break;\r
-                   \r
-            case SSL_ERROR:\r
-                mStatusIcon = R.drawable.common_error;\r
-                mStatusText = R.string.auth_ssl_general_error_title;\r
-                break;\r
-                \r
-               case HOST_NOT_AVAILABLE:\r
-                   mStatusIcon = R.drawable.common_error;\r
-                   mStatusText = R.string.auth_unknown_host_title;\r
-                   break;\r
-               case NO_NETWORK_CONNECTION:\r
-                   mStatusIcon = R.drawable.no_network;\r
-                   mStatusText = R.string.auth_no_net_conn_title;\r
-                   break;\r
-               case INSTANCE_NOT_CONFIGURED:\r
-                   mStatusIcon = R.drawable.common_error;\r
-                   mStatusText = R.string.auth_not_configured_title;\r
-                   break;\r
-               case FILE_NOT_FOUND:\r
-                   mStatusIcon = R.drawable.common_error;\r
-                   mStatusText = R.string.auth_incorrect_path_title;\r
-                   break;\r
-            case UNHANDLED_HTTP_CODE:\r
-            case UNKNOWN_ERROR:\r
-                mStatusIcon = R.drawable.common_error;\r
-                mStatusText = R.string.auth_unknown_error_title;\r
-                break;\r
-               default:\r
-                   Log.e(TAG, "Incorrect connection checker result type: " + result.getHttpCode());\r
-               }\r
-               setResultIconAndText(mStatusIcon, mStatusText);\r
-               if (!mStatusCorrect)\r
-                   findViewById(R.id.refreshButton).setVisibility(View.VISIBLE);\r
-               else\r
-                   findViewById(R.id.refreshButton).setVisibility(View.INVISIBLE);\r
-               findViewById(R.id.buttonOK).setEnabled(mStatusCorrect);\r
-               }\r
-       }\r
-\r
-       \r
+    // If the results of getting the user_code and verification_url are OK, we get the received data and we start\r
+    // the polling service to oAuth2 server to get a valid token.\r
+    private void getOAuth2AccessTokenFromJsonResponse() {\r
+        String deviceCode = null;\r
+        String verificationUrl = null;\r
+        String userCode = null;\r
+        int expiresIn = -1;\r
+        int interval = -1;\r
+\r
+        Log.d(TAG, "ResponseOAuth2->" + mCodeResponseJson.toString());\r
+\r
+        try {\r
+            // We get data that we must show to the user or we will use internally.\r
+            verificationUrl = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_VERIFICATION_URL);\r
+            userCode = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_USER_CODE);\r
+            expiresIn = mCodeResponseJson.getInt(OAuth2GetAuthorizationToken.CODE_EXPIRES_IN);                \r
+\r
+            // And we get data that we must use to get a token.\r
+            deviceCode = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_DEVICE_CODE);\r
+            interval = mCodeResponseJson.getInt(OAuth2GetAuthorizationToken.CODE_INTERVAL);\r
+\r
+        } catch (JSONException e) {\r
+            Log.e(TAG, "Exception accesing data in Json object" + e.toString());\r
+        }\r
+\r
+        // Updating status widget to OK.\r
+        updateOAuth2IconAndText(R.drawable.ic_ok, R.string.auth_connection_established);\r
+        \r
+        // Showing the dialog with instructions for the user.\r
+        showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);\r
+\r
+        // Loggin all the data.\r
+        Log.d(TAG, "verificationUrl->" + verificationUrl);\r
+        Log.d(TAG, "userCode->" + userCode);\r
+        Log.d(TAG, "deviceCode->" + deviceCode);\r
+        Log.d(TAG, "expiresIn->" + expiresIn);\r
+        Log.d(TAG, "interval->" + interval);\r
+\r
+        // Starting the pooling service.\r
+        try {\r
+            Intent tokenService = new Intent(this, OAuth2GetTokenService.class);\r
+            tokenService.putExtra(OAuth2GetTokenService.TOKEN_URI, OAuth2Context.OAUTH2_G_DEVICE_GETTOKEN_URL);\r
+            tokenService.putExtra(OAuth2GetTokenService.TOKEN_DEVICE_CODE, deviceCode);\r
+            tokenService.putExtra(OAuth2GetTokenService.TOKEN_INTERVAL, interval);\r
+\r
+            startService(tokenService);\r
+        }\r
+        catch (Exception e) {\r
+            Log.e(TAG, "tokenService creation problem :", e);\r
+        }\r
+        \r
+    }   \r
+    */\r
+    \r
+    /* Leave the old OAuth flow\r
+    // We get data from the oAuth2 token service with this broadcast receiver.\r
+    private class TokenReceiver extends BroadcastReceiver {\r
+        /**\r
+         * The token is received.\r
+         *  @author\r
+         * {@link BroadcastReceiver} to enable oAuth2 token receiving.\r
+         *-/\r
+        @Override\r
+        public void onReceive(Context context, Intent intent) {\r
+            @SuppressWarnings("unchecked")\r
+            HashMap<String, String> tokenResponse = (HashMap<String, String>)intent.getExtras().get(OAuth2GetTokenService.TOKEN_RECEIVED_DATA);\r
+            Log.d(TAG, "TokenReceiver->" + tokenResponse.get(OAuth2GetTokenService.TOKEN_ACCESS_TOKEN));\r
+            dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);\r
+\r
+        }\r
+    }\r
+    */\r
+\r
+    \r
+    /**\r
+     * Called from SslValidatorDialog when a new server certificate was correctly saved.\r
+     */\r
     public void onSavedCertificate() {\r
-        mAuthThread = mConnChkRunnable.retry(this, mHandler);                \r
+        mOperationThread = mOcServerChkOperation.retry(this, mHandler);                \r
     }\r
 \r
+    /**\r
+     * Called from SslValidatorDialog when a new server certificate could not be saved \r
+     * when the user requested it.\r
+     */\r
     @Override\r
     public void onFailedSavingCertificate() {\r
         showDialog(DIALOG_CERT_NOT_SAVED);\r
     }\r
-    \r
+\r
 }\r