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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   Copyright (C) 2015 ownCloud Inc.
   5  *
   6  *   This program is free software: you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License version 2,
   8  *   as published by the Free Software Foundation.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.ui.dialog;
  21
  22 import com.owncloud.android.R;
  23 import com.owncloud.android.authentication.AuthenticatorActivity;
  24
  25 import android.app.AlertDialog;
  26 import android.app.Dialog;
  27 import android.app.AlertDialog.Builder;
  28 import android.content.DialogInterface;
  29 import android.os.Bundle;
  30 import android.support.v4.app.DialogFragment;
  31 import android.text.InputType;
  32 import android.view.WindowManager.LayoutParams;
  33 import android.webkit.HttpAuthHandler;
  34 import android.webkit.WebView;
  35 import android.widget.EditText;
  36 import android.widget.LinearLayout;
  37
  38
  39
  40 /**
  41  *  Dialog to input authentication credentials
  42  *
  43  */
  44 public class CredentialsDialogFragment extends DialogFragment
  45     implements DialogInterface.OnClickListener {
  46
  47     private WebView mWebView = null;
  48     private HttpAuthHandler mHandler = null;
  49
  50     private EditText mUsernameET;
  51     private EditText mPasswordET;
  52
  53     private String mUsernameStr;
  54     private String mPasswordStr;
  55
  56
  57     /**
  58      * Public factory method to create new CredentialsDialogFragment instances.
  59      * @param webView       WebView that is being loaded
  60      * @param handler       HttpAuthHandler
  61      * @return              Dialog ready to show
  62      */
  63     public static CredentialsDialogFragment newInstanceForCredentials(WebView webView,
  64                                                                       HttpAuthHandler handler) {
  65         if (handler == null) {
  66             throw new IllegalArgumentException("Trying to create instance with parameter handler" +
  67                     " == null");
  68         }
  69         CredentialsDialogFragment frag = new CredentialsDialogFragment();
  70         frag.mHandler = handler;
  71         frag.mWebView = webView;
  72         return frag;
  73     }
  74
  75
  76     @Override
  77     public Dialog onCreateDialog(Bundle savedInstanceState) {
  78
  79         // Create field for username
  80         mUsernameET = new EditText(getActivity());
  81         mUsernameET.setHint(getActivity().getText(R.string.auth_username));
  82
  83         // Create field for password
  84         mPasswordET = new EditText(getActivity());
  85         mPasswordET.setHint(getActivity().getText(R.string.auth_password));
  86         mPasswordET.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
  87
  88         // Prepare LinearLayout for dialog
  89         LinearLayout ll = new LinearLayout(getActivity());
  90         ll.setOrientation(LinearLayout.VERTICAL);
  91         ll.addView(mUsernameET);
  92         ll.addView(mPasswordET);
  93
  94         ll.requestFocus();
  95
  96         setRetainInstance(true);
  97
  98         Builder authDialog = new AlertDialog
  99                 .Builder(getActivity())
 100                 .setTitle(getActivity().getText(R.string.saml_authentication_required_text))
 101                 .setView(ll)
 102                 .setCancelable(false)
 103                 .setPositiveButton(R.string.common_ok, this)
 104                 .setNegativeButton(R.string.common_cancel, this);
 105
 106         Dialog d = authDialog.create();
 107         d.getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 108         return d;
 109     }
 110
 111
 112     @Override
 113     public void onPause() {
 114         super.onPause();
 115         // Due to the use of setRetainInstance(true) for keep the dialog over the rest of dialogs,
 116         // we need to save the inputs text for being injected in onResume()
 117         mUsernameStr = mUsernameET.getText().toString();
 118         mPasswordStr = mPasswordET.getText().toString();
 119     }
 120
 121
 122     @Override
 123     public void onResume() {
 124         super.onResume();
 125         mUsernameET.setText(mUsernameStr);
 126         mPasswordET.setText(mPasswordStr);
 127     }
 128
 129
 130     @Override
 131     public void onClick(DialogInterface dialog, int which) {
 132         if (which == AlertDialog.BUTTON_POSITIVE) {
 133
 134             String username = mUsernameET.getText().toString();
 135             String password = mPasswordET.getText().toString();
 136
 137             // Proceed with the authentication
 138             mHandler.proceed(username, password);
 139
 140         } else if (which == AlertDialog.BUTTON_NEGATIVE) {
 141             mWebView.stopLoading();
 142             ((AuthenticatorActivity)getActivity()).doNegativeAuthenticatioDialogClick();
 143         }
 144
 145         dialog.dismiss();
 146     }
 147
 148
 149     @Override
 150     public void onDestroyView() {
 151       if (getDialog() != null && getRetainInstance())
 152         getDialog().setDismissMessage(null);
 153       super.onDestroyView();
 154     }
 155
 156 }