OAuth clean-up and refactoring
[pub/Android/ownCloud.git] / src / com / owncloud / android / ui / activity / AuthenticatorActivity.java
diff --git a/src/com/owncloud/android/ui/activity/AuthenticatorActivity.java b/src/com/owncloud/android/ui/activity/AuthenticatorActivity.java
deleted file mode 100644 (file)
index 011abfc..0000000
+++ /dev/null
@@ -1,1255 +0,0 @@
-/* ownCloud Android client application\r
- *   Copyright (C) 2012  Bartek Przybylski\r
- *   Copyright (C) 2012-2013 ownCloud Inc.\r
- *\r
- *   This program is free software: you can redistribute it and/or modify\r
- *   it under the terms of the GNU General Public License as published by\r
- *   the Free Software Foundation, either version 2 of the License, or\r
- *   (at your option) any later version.\r
- *\r
- *   This program is distributed in the hope that it will be useful,\r
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
- *   GNU General Public License for more details.\r
- *\r
- *   You should have received a copy of the GNU General Public License\r
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>.\r
- *\r
- */\r
-\r
-package com.owncloud.android.ui.activity;\r
-\r
-import com.owncloud.android.AccountUtils;\r
-import com.owncloud.android.authenticator.AccountAuthenticator;\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.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
-import android.accounts.AccountManager;\r
-import android.app.AlertDialog;\r
-import android.app.Dialog;\r
-import android.app.ProgressDialog;\r
-import android.content.ContentResolver;\r
-import android.content.DialogInterface;\r
-import android.content.Intent;\r
-import android.content.SharedPreferences;\r
-import android.net.Uri;\r
-import android.os.Bundle;\r
-import android.os.Handler;\r
-import android.preference.PreferenceManager;\r
-import android.text.InputType;\r
-import android.util.Log;\r
-import android.view.View;\r
-import android.view.View.OnFocusChangeListener;\r
-import android.view.Window;\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
-\r
-/**\r
- * This Activity is used to add an ownCloud account to the App\r
- * \r
- * @author Bartek Przybylski\r
- * @author David A. Velasco\r
- */\r
-public class AuthenticatorActivity extends AccountAuthenticatorActivity\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
-    public static final byte ACTION_CREATE = 0;\r
-    public static final byte ACTION_UPDATE_TOKEN = 1;\r
-\r
-    \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
-    //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
-        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
-        /// 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
-            /// 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
-        } 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
-        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 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
-    }\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 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
-           \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
-        /* 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
-    }    \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
-        /// 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
-    \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
-        } else if (view.getId() == R.id.account_password) {\r
-            onPasswordFocusChanged((TextView) view, hasFocus);\r
-        }\r
-    }\r
-    \r
-\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
-            // 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);     // 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
-        // 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
-        \r
-        if (mOAuth2Check.isChecked()) {\r
-            startOauthorization();\r
-            \r
-        } else {\r
-            checkBasicAuthorization();\r
-        }\r
-    }\r
-    \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
-\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
-        // 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
-    /**\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
-\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
-\r
-        switch (result.getCode()) {\r
-        case OK_SSL:\r
-            mStatusIcon = android.R.drawable.ic_secure;\r
-            mStatusText = R.string.auth_secure_connection;\r
-            break;\r
-            \r
-        case OK_NO_SSL:\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
-                mStatusText = R.string.auth_nossl_plain_ok_title;\r
-                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
-            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_ERROR:\r
-            mStatusIcon = R.drawable.common_error;\r
-            mStatusText = R.string.auth_ssl_general_error_title;\r
-            break;\r
-            \r
-        case UNAUTHORIZED:\r
-            mStatusIcon = R.drawable.common_error;\r
-            mStatusText = R.string.auth_unauthorized;\r
-            break;\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 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
-            \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 dialog called with id = " + id);\r
-        }\r
-    }\r
-\r
-    \r
-    /**\r
-     * {@inheritDoc}\r
-     */\r
-    @Override\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
-            });\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
-    \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 (mStatusIcon == 0 && mStatusText == 0) {\r
-            iv.setVisibility(View.INVISIBLE);\r
-            tv.setVisibility(View.INVISIBLE);\r
-        } else {\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 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
-    // 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
-        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