src/com/owncloud/android/ui/dialog/CredentialsDialogFragment.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2014 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.ui.dialog;
  19
  20 import com.actionbarsherlock.app.SherlockDialogFragment;
  21 import com.owncloud.android.R;
  22 import com.owncloud.android.authentication.AuthenticatorActivity;
  23
  24 import android.app.AlertDialog;
  25 import android.app.Dialog;
  26 import android.app.AlertDialog.Builder;
  27 import android.content.DialogInterface;
  28 import android.os.Bundle;
  29 import android.text.InputType;
  30 import android.view.WindowManager.LayoutParams;
  31 import android.webkit.HttpAuthHandler;
  32 import android.webkit.WebView;
  33 import android.widget.EditText;
  34 import android.widget.LinearLayout;
  35
  36
  37
  38 /**
  39  *  Dialog to input authentication credentials
  40  *
  41  */
  42 public class CredentialsDialogFragment extends SherlockDialogFragment
  43     implements DialogInterface.OnClickListener {
  44
  45     private WebView mWebView = null;
  46     private HttpAuthHandler mHandler = null;
  47
  48     private EditText mUsernameET;
  49     private EditText mPasswordET;
  50
  51     private String mUsernameStr;
  52     private String mPasswordStr;
  53
  54
  55     /**
  56      * Public factory method to create new CredentialsDialogFragment instances.
  57      * @param webView       WebView that is being loaded
  58      * @param handler       HttpAuthHandler
  59      * @return              Dialog ready to show
  60      */
  61     public static CredentialsDialogFragment newInstanceForCredentials(WebView webView, HttpAuthHandler handler) {
  62         if (handler == null) {
  63             throw new IllegalArgumentException("Trying to create instance with parameter handler == null");
  64         }
  65         CredentialsDialogFragment frag = new CredentialsDialogFragment();
  66         frag.mHandler = handler;
  67         frag.mWebView = webView;
  68         return frag;
  69     }
  70
  71
  72     @Override
  73     public Dialog onCreateDialog(Bundle savedInstanceState) {
  74
  75         // Create field for username
  76         mUsernameET = new EditText(getSherlockActivity());
  77         mUsernameET.setHint(getSherlockActivity().getText(R.string.auth_username));
  78
  79         // Create field for password
  80         mPasswordET = new EditText(getSherlockActivity());
  81         mPasswordET.setHint(getSherlockActivity().getText(R.string.auth_password));
  82         mPasswordET.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
  83
  84         // Prepare LinearLayout for dialog
  85         LinearLayout ll = new LinearLayout(getSherlockActivity());
  86         ll.setOrientation(LinearLayout.VERTICAL);
  87         ll.addView(mUsernameET);
  88         ll.addView(mPasswordET);
  89
  90         ll.requestFocus();
  91
  92         setRetainInstance(true);
  93
  94         Builder authDialog = new AlertDialog
  95                 .Builder(getSherlockActivity())
  96                 .setTitle(getSherlockActivity().getText(R.string.saml_authentication_required_text))
  97                 .setView(ll)
  98                 .setCancelable(false)
  99                 .setPositiveButton(R.string.common_ok, this)
 100                 .setNegativeButton(R.string.common_cancel, this);
 101
 102         Dialog d = authDialog.create();
 103         d.getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 104         return d;
 105     }
 106
 107
 108     @Override
 109     public void onPause() {
 110         super.onPause();
 111         // Due to the use of setRetainInstance(true) for keep the dialog over the rest of dialogs,
 112         // we need to save the inputs text for being injected in onResume()
 113         mUsernameStr = mUsernameET.getText().toString();
 114         mPasswordStr = mPasswordET.getText().toString();
 115     }
 116
 117
 118     @Override
 119     public void onResume() {
 120         super.onResume();
 121         mUsernameET.setText(mUsernameStr);
 122         mPasswordET.setText(mPasswordStr);
 123     }
 124
 125
 126     @Override
 127     public void onClick(DialogInterface dialog, int which) {
 128         if (which == AlertDialog.BUTTON_POSITIVE) {
 129
 130             String username = mUsernameET.getText().toString().trim();
 131             String password = mPasswordET.getText().toString().trim();
 132
 133             // Proceed with the authentication
 134             mHandler.proceed(username, password);
 135             dialog.dismiss();
 136
 137         } else if (which == AlertDialog.BUTTON_NEGATIVE) {
 138             dialog.dismiss();
 139             mWebView.stopLoading();
 140             ((AuthenticatorActivity)getActivity()).doNegativeAuthenticatioDialogClick();
 141         }
 142     }
 143
 144
 145     @Override
 146     public void onDestroyView() {
 147       if (getDialog() != null && getRetainInstance())
 148         getDialog().setDismissMessage(null);
 149       super.onDestroyView();
 150     }
 151
 152 }