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.actionbarsherlock.app.SherlockDialogFragment;
  23 import com.owncloud.android.R;
  24 import com.owncloud.android.authentication.AuthenticatorActivity;
  25
  26 import android.app.AlertDialog;
  27 import android.app.Dialog;
  28 import android.app.AlertDialog.Builder;
  29 import android.content.DialogInterface;
  30 import android.os.Bundle;
  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 SherlockDialogFragment
  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, HttpAuthHandler handler) {
  64         if (handler == null) {
  65             throw new IllegalArgumentException("Trying to create instance with parameter handler == null");
  66         }
  67         CredentialsDialogFragment frag = new CredentialsDialogFragment();
  68         frag.mHandler = handler;
  69         frag.mWebView = webView;
  70         return frag;
  71     }
  72
  73
  74     @Override
  75     public Dialog onCreateDialog(Bundle savedInstanceState) {
  76
  77         // Create field for username
  78         mUsernameET = new EditText(getSherlockActivity());
  79         mUsernameET.setHint(getSherlockActivity().getText(R.string.auth_username));
  80
  81         // Create field for password
  82         mPasswordET = new EditText(getSherlockActivity());
  83         mPasswordET.setHint(getSherlockActivity().getText(R.string.auth_password));
  84         mPasswordET.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
  85
  86         // Prepare LinearLayout for dialog
  87         LinearLayout ll = new LinearLayout(getSherlockActivity());
  88         ll.setOrientation(LinearLayout.VERTICAL);
  89         ll.addView(mUsernameET);
  90         ll.addView(mPasswordET);
  91
  92         ll.requestFocus();
  93
  94         setRetainInstance(true);
  95
  96         Builder authDialog = new AlertDialog
  97                 .Builder(getSherlockActivity())
  98                 .setTitle(getSherlockActivity().getText(R.string.saml_authentication_required_text))
  99                 .setView(ll)
 100                 .setCancelable(false)
 101                 .setPositiveButton(R.string.common_ok, this)
 102                 .setNegativeButton(R.string.common_cancel, this);
 103
 104         Dialog d = authDialog.create();
 105         d.getWindow().setSoftInputMode(LayoutParams.SOFT_INPUT_STATE_VISIBLE);
 106         return d;
 107     }
 108
 109
 110     @Override
 111     public void onPause() {
 112         super.onPause();
 113         // Due to the use of setRetainInstance(true) for keep the dialog over the rest of dialogs,
 114         // we need to save the inputs text for being injected in onResume()
 115         mUsernameStr = mUsernameET.getText().toString();
 116         mPasswordStr = mPasswordET.getText().toString();
 117     }
 118
 119
 120     @Override
 121     public void onResume() {
 122         super.onResume();
 123         mUsernameET.setText(mUsernameStr);
 124         mPasswordET.setText(mPasswordStr);
 125     }
 126
 127
 128     @Override
 129     public void onClick(DialogInterface dialog, int which) {
 130         if (which == AlertDialog.BUTTON_POSITIVE) {
 131
 132             String username = mUsernameET.getText().toString();
 133             String password = mPasswordET.getText().toString();
 134
 135             // Proceed with the authentication
 136             mHandler.proceed(username, password);
 137
 138         } else if (which == AlertDialog.BUTTON_NEGATIVE) {
 139             mWebView.stopLoading();
 140             ((AuthenticatorActivity)getActivity()).doNegativeAuthenticatioDialogClick();
 141         }
 142
 143         dialog.dismiss();
 144     }
 145
 146
 147     @Override
 148     public void onDestroyView() {
 149       if (getDialog() != null && getRetainInstance())
 150         getDialog().setDismissMessage(null);
 151       super.onDestroyView();
 152     }
 153
 154 }