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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2013 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 android.annotation.SuppressLint;
  21 import android.app.Activity;
  22 import android.app.Dialog;
  23 import android.content.DialogInterface;
  24 import android.os.Bundle;
  25 import android.os.Handler;
  26 import android.support.v4.app.FragmentTransaction;
  27 import android.support.v4.app.FragmentManager;
  28 import android.view.LayoutInflater;
  29 import android.view.View;
  30 import android.view.ViewGroup;
  31 import android.webkit.CookieManager;
  32 import android.webkit.CookieSyncManager;
  33 import android.webkit.WebBackForwardList;
  34 import android.webkit.WebSettings;
  35 import android.webkit.WebView;
  36
  37 import com.actionbarsherlock.app.SherlockDialogFragment;
  38 import com.owncloud.android.R;
  39 import com.owncloud.android.authentication.SsoWebViewClient;
  40 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  41 import com.owncloud.android.oc_framework.network.webdav.WebdavClient;
  42 import com.owncloud.android.utils.Log_OC;
  43
  44
  45 /**
  46  * Dialog to show the WebView for SAML Authentication
  47  *
  48  * @author Maria Asensio
  49  * @author David A. Velasco
  50  */
  51 public class SamlWebViewDialog extends SherlockDialogFragment {
  52
  53     public final String SAML_DIALOG_TAG = "SamlWebViewDialog";
  54
  55     private final static String TAG =  SamlWebViewDialog.class.getSimpleName();
  56
  57     private static final String ARG_INITIAL_URL = "INITIAL_URL";
  58     private static final String ARG_TARGET_URL = "TARGET_URL";
  59     private static final String KEY_WEBVIEW_STATE = "WEBVIEW_STATE";
  60
  61     private WebView mSsoWebView;
  62     private SsoWebViewClient mWebViewClient;
  63
  64     private String mInitialUrl;
  65     private String mTargetUrl;
  66
  67     private Handler mHandler;
  68
  69     private SsoWebViewClientListener mSsoWebViewClientListener;
  70
  71     //private View mSsoRootView;
  72
  73
  74     /**
  75      * Public factory method to get dialog instances.
  76      *
  77      * @param handler
  78      * @param Url           Url to open at WebView
  79      * @param targetURL     mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType)
  80      * @return              New dialog instance, ready to show.
  81      */
  82     public static SamlWebViewDialog newInstance(String url, String targetUrl) {
  83         Log_OC.d(TAG, "New instance");
  84         SamlWebViewDialog fragment = new SamlWebViewDialog();
  85         Bundle args = new Bundle();
  86         args.putString(ARG_INITIAL_URL, url);
  87         args.putString(ARG_TARGET_URL, targetUrl);
  88         fragment.setArguments(args);
  89         return fragment;
  90     }
  91
  92
  93     public SamlWebViewDialog() {
  94         super();
  95         Log_OC.d(TAG, "constructor");
  96     }
  97
  98
  99     @Override
 100     public void onAttach(Activity activity) {
 101         Log_OC.d(TAG, "onAttach");
 102         super.onAttach(activity);
 103         try {
 104             mSsoWebViewClientListener = (SsoWebViewClientListener) activity;
 105             mHandler = new Handler();
 106             mWebViewClient = new SsoWebViewClient(mHandler, mSsoWebViewClientListener);
 107
 108        } catch (ClassCastException e) {
 109             throw new ClassCastException(activity.toString() + " must implement " + SsoWebViewClientListener.class.getSimpleName());
 110         }
 111     }
 112
 113
 114     @SuppressLint("SetJavaScriptEnabled")
 115     @Override
 116     public void onCreate(Bundle savedInstanceState) {
 117         Log_OC.d(TAG, "onCreate");
 118         super.onCreate(savedInstanceState);
 119
 120         CookieSyncManager.createInstance(getActivity());
 121
 122         if (savedInstanceState == null) {
 123             mInitialUrl = getArguments().getString(ARG_INITIAL_URL);
 124             mTargetUrl = getArguments().getString(ARG_TARGET_URL);
 125         } else {
 126             mInitialUrl = savedInstanceState.getString(ARG_INITIAL_URL);
 127             mTargetUrl = savedInstanceState.getString(ARG_TARGET_URL);
 128         }
 129
 130         setStyle(SherlockDialogFragment.STYLE_NO_TITLE, R.style.Theme_ownCloud_Dialog);
 131     }
 132
 133     @Override
 134     public Dialog onCreateDialog(Bundle savedInstanceState) {
 135         Log_OC.d(TAG, "onCreateDialog");
 136
 137         /*
 138         // build the dialog
 139         AlertDialog.Builder builder = new AlertDialog.Builder(getSherlockActivity());
 140         if (mSsoRootView.getParent() != null) {
 141             ((ViewGroup)(mSsoRootView.getParent())).removeView(mSsoRootView);
 142         }
 143         builder.setView(mSsoRootView);
 144         //builder.setView(mSsoWebView);
 145         Dialog dialog = builder.create();
 146         */
 147
 148         return super.onCreateDialog(savedInstanceState);
 149     }
 150
 151     @SuppressLint("SetJavaScriptEnabled")
 152     @Override
 153     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 154         Log_OC.d(TAG, "onCreateView");
 155
 156         // Inflate layout of the dialog
 157         View rootView = inflater.inflate(R.layout.sso_dialog, container, false);  // null parent view because it will go in the dialog layout
 158         mSsoWebView  = (WebView) rootView.findViewById(R.id.sso_webview);
 159
 160         mWebViewClient.setTargetUrl(mTargetUrl);
 161         mSsoWebView.setWebViewClient(mWebViewClient);
 162
 163         if (savedInstanceState == null) {
 164             Log_OC.d(TAG,  "   initWebView start");
 165             CookieManager cookieManager = CookieManager.getInstance();
 166             cookieManager.setAcceptCookie(true);
 167             cookieManager.removeAllCookie();
 168             mSsoWebView.loadUrl(mInitialUrl);
 169
 170         } else {
 171             Log_OC.d(TAG, "   restoreWebView start");
 172             WebBackForwardList history = mSsoWebView.restoreState(savedInstanceState.getBundle(KEY_WEBVIEW_STATE));
 173             if (history == null) {
 174                 Log_OC.e(TAG, "Error restoring WebView state ; back to starting URL");
 175                 mSsoWebView.loadUrl(mInitialUrl);
 176             }
 177         }
 178
 179         WebSettings webSettings = mSsoWebView.getSettings();
 180         webSettings.setJavaScriptEnabled(true);
 181         webSettings.setBuiltInZoomControls(true);
 182         webSettings.setLoadWithOverviewMode(false);
 183         webSettings.setSavePassword(false);
 184         webSettings.setUserAgentString(WebdavClient.USER_AGENT);
 185         webSettings.setSaveFormData(false);
 186
 187         return rootView;
 188     }
 189
 190     @Override
 191     public void onSaveInstanceState(Bundle outState) {
 192         Log_OC.d(SAML_DIALOG_TAG, "onSaveInstanceState being CALLED");
 193         super.onSaveInstanceState(outState);
 194
 195         // save URLs
 196         outState.putString(ARG_INITIAL_URL, mInitialUrl);
 197         outState.putString(ARG_TARGET_URL, mTargetUrl);
 198
 199         // Save the state of the WebView
 200         Bundle webviewState = new Bundle();
 201         mSsoWebView.saveState(webviewState);
 202         outState.putBundle(KEY_WEBVIEW_STATE, webviewState);
 203     }
 204
 205     @Override
 206     public void onDestroyView() {
 207         Log_OC.d(TAG, "onDestroyView");
 208
 209         mSsoWebView.setWebViewClient(null);
 210
 211         // Work around bug: http://code.google.com/p/android/issues/detail?id=17423
 212         Dialog dialog = getDialog();
 213         if ((dialog != null)) {
 214             dialog.setOnDismissListener(null);
 215             //dialog.dismiss();
 216             //dialog.setDismissMessage(null);
 217         }
 218
 219         super.onDestroyView();
 220     }
 221
 222     @Override
 223     public void onDestroy() {
 224         Log_OC.d(TAG, "onDestroy");
 225         super.onDestroy();
 226     }
 227
 228     @Override
 229     public void onDetach() {
 230         Log_OC.d(TAG, "onDetach");
 231         mSsoWebViewClientListener = null;
 232         mWebViewClient = null;
 233         super.onDetach();
 234     }
 235
 236     @Override
 237     public void onCancel (DialogInterface dialog) {
 238         Log_OC.d(SAML_DIALOG_TAG, "onCancel");
 239         super.onCancel(dialog);
 240     }
 241
 242     @Override
 243     public void onDismiss (DialogInterface dialog) {
 244         Log_OC.d(SAML_DIALOG_TAG, "onDismiss");
 245         super.onDismiss(dialog);
 246     }
 247
 248     @Override
 249     public void onStart() {
 250         Log_OC.d(SAML_DIALOG_TAG, "onStart");
 251         super.onStart();
 252     }
 253
 254     @Override
 255     public void onStop() {
 256         Log_OC.d(SAML_DIALOG_TAG, "onStop");
 257         super.onStop();
 258     }
 259
 260     @Override
 261     public void onResume() {
 262         Log_OC.d(SAML_DIALOG_TAG, "onResume");
 263         super.onResume();
 264     }
 265
 266     @Override
 267     public void onPause() {
 268         Log_OC.d(SAML_DIALOG_TAG, "onPause");
 269         super.onPause();
 270     }
 271
 272     @Override
 273     public int show (FragmentTransaction transaction, String tag) {
 274         Log_OC.d(SAML_DIALOG_TAG, "show (transaction)");
 275         return super.show(transaction, tag);
 276     }
 277
 278     @Override
 279     public void show (FragmentManager manager, String tag) {
 280         Log_OC.d(SAML_DIALOG_TAG, "show (manager)");
 281         super.show(manager, tag);
 282     }
 283
 284 }