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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2014 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 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.WebSettings;
  34 import android.webkit.WebView;
  35 import android.widget.RelativeLayout;
  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.lib.common.OwnCloudClient;
  42 import com.owncloud.android.lib.common.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
  60     private WebView mSsoWebView;
  61     private SsoWebViewClient mWebViewClient;
  62
  63     private String mInitialUrl;
  64     private String mTargetUrl;
  65
  66     private Handler mHandler;
  67
  68     private SsoWebViewClientListener mSsoWebViewClientListener;
  69
  70     /**
  71      * Public factory method to get dialog instances.
  72      *
  73      * @param handler
  74      * @param Url           Url to open at WebView
  75      * @param targetURL     mBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType)
  76      * @return              New dialog instance, ready to show.
  77      */
  78     public static SamlWebViewDialog newInstance(String url, String targetUrl) {
  79         Log_OC.d(TAG, "New instance");
  80         SamlWebViewDialog fragment = new SamlWebViewDialog();
  81         Bundle args = new Bundle();
  82         args.putString(ARG_INITIAL_URL, url);
  83         args.putString(ARG_TARGET_URL, targetUrl);
  84         fragment.setArguments(args);
  85         return fragment;
  86     }
  87
  88
  89     public SamlWebViewDialog() {
  90         super();
  91         Log_OC.d(TAG, "constructor");
  92     }
  93
  94
  95     @Override
  96     public void onAttach(Activity activity) {
  97         Log_OC.d(TAG, "onAttach");
  98         super.onAttach(activity);
  99         try {
 100             mSsoWebViewClientListener = (SsoWebViewClientListener) activity;
 101             mHandler = new Handler();
 102             mWebViewClient = new SsoWebViewClient(activity, mHandler, mSsoWebViewClientListener);
 103
 104        } catch (ClassCastException e) {
 105             throw new ClassCastException(activity.toString() + " must implement " + SsoWebViewClientListener.class.getSimpleName());
 106         }
 107     }
 108
 109
 110     @SuppressLint("SetJavaScriptEnabled")
 111     @Override
 112     public void onCreate(Bundle savedInstanceState) {
 113         Log_OC.d(TAG, "onCreate, savedInstanceState is " + savedInstanceState);
 114         super.onCreate(savedInstanceState);
 115
 116         setRetainInstance(true);
 117
 118         CookieSyncManager.createInstance(getSherlockActivity().getApplicationContext());
 119
 120         if (savedInstanceState == null) {
 121             mInitialUrl = getArguments().getString(ARG_INITIAL_URL);
 122             mTargetUrl = getArguments().getString(ARG_TARGET_URL);
 123         } else {
 124             mInitialUrl = savedInstanceState.getString(ARG_INITIAL_URL);
 125             mTargetUrl = savedInstanceState.getString(ARG_TARGET_URL);
 126         }
 127
 128         setStyle(SherlockDialogFragment.STYLE_NO_TITLE, R.style.Theme_ownCloud_Dialog);
 129     }
 130
 131     @SuppressWarnings("deprecation")
 132     @SuppressLint("SetJavaScriptEnabled")
 133     @Override
 134     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 135         Log_OC.d(TAG, "onCreateView, savedInsanceState is " + savedInstanceState);
 136
 137         // Inflate layout of the dialog
 138         RelativeLayout ssoRootView = (RelativeLayout) inflater.inflate(R.layout.sso_dialog, container, false);  // null parent view because it will go in the dialog layout
 139
 140         if (mSsoWebView == null) {
 141             // initialize the WebView
 142             mSsoWebView = new SsoWebView(getSherlockActivity().getApplicationContext());
 143             mSsoWebView.setFocusable(true);
 144             mSsoWebView.setFocusableInTouchMode(true);
 145             mSsoWebView.setClickable(true);
 146
 147             CookieManager cookieManager = CookieManager.getInstance();
 148             cookieManager.setAcceptCookie(true);
 149             cookieManager.removeAllCookie();
 150             mSsoWebView.loadUrl(mInitialUrl);
 151
 152             WebSettings webSettings = mSsoWebView.getSettings();
 153             webSettings.setJavaScriptEnabled(true);
 154             webSettings.setBuiltInZoomControls(false);
 155             webSettings.setLoadWithOverviewMode(false);
 156             webSettings.setSavePassword(false);
 157             webSettings.setUserAgentString(OwnCloudClient.USER_AGENT);
 158             webSettings.setSaveFormData(false);
 159         }
 160
 161         mWebViewClient.setTargetUrl(mTargetUrl);
 162         mSsoWebView.setWebViewClient(mWebViewClient);
 163
 164         // add the webview into the layout
 165         RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
 166                 RelativeLayout.LayoutParams.WRAP_CONTENT,
 167                 RelativeLayout.LayoutParams.WRAP_CONTENT
 168                 );
 169         ssoRootView.addView(mSsoWebView, layoutParams);
 170         ssoRootView.requestLayout();
 171
 172         return ssoRootView;
 173     }
 174
 175     @Override
 176     public void onSaveInstanceState(Bundle outState) {
 177         Log_OC.d(TAG, "onSaveInstanceState being CALLED");
 178         super.onSaveInstanceState(outState);
 179
 180         // save URLs
 181         outState.putString(ARG_INITIAL_URL, mInitialUrl);
 182         outState.putString(ARG_TARGET_URL, mTargetUrl);
 183     }
 184
 185     @Override
 186     public void onDestroyView() {
 187         Log_OC.d(TAG, "onDestroyView");
 188
 189         if ((ViewGroup)mSsoWebView.getParent() != null) {
 190             ((ViewGroup)mSsoWebView.getParent()).removeView(mSsoWebView);
 191         }
 192
 193         mSsoWebView.setWebViewClient(null);
 194
 195         // Work around bug: http://code.google.com/p/android/issues/detail?id=17423
 196         Dialog dialog = getDialog();
 197         if ((dialog != null)) {
 198             dialog.setOnDismissListener(null);
 199             //dialog.dismiss();
 200             //dialog.setDismissMessage(null);
 201         }
 202
 203         super.onDestroyView();
 204     }
 205
 206     @Override
 207     public void onDestroy() {
 208         Log_OC.d(TAG, "onDestroy");
 209         super.onDestroy();
 210     }
 211
 212     @Override
 213     public void onDetach() {
 214         Log_OC.d(TAG, "onDetach");
 215         mSsoWebViewClientListener = null;
 216         mWebViewClient = null;
 217         super.onDetach();
 218     }
 219
 220     @Override
 221     public void onCancel (DialogInterface dialog) {
 222         Log_OC.d(TAG, "onCancel");
 223         super.onCancel(dialog);
 224     }
 225
 226     @Override
 227     public void onDismiss (DialogInterface dialog) {
 228         Log_OC.d(TAG, "onDismiss");
 229         super.onDismiss(dialog);
 230     }
 231
 232     @Override
 233     public void onStart() {
 234         Log_OC.d(TAG, "onStart");
 235         super.onStart();
 236     }
 237
 238     @Override
 239     public void onStop() {
 240         Log_OC.d(TAG, "onStop");
 241         super.onStop();
 242     }
 243
 244     @Override
 245     public void onResume() {
 246         Log_OC.d(TAG, "onResume");
 247         super.onResume();
 248         mSsoWebView.onResume();
 249     }
 250
 251     @Override
 252     public void onPause() {
 253         Log_OC.d(TAG, "onPause");
 254         mSsoWebView.onPause();
 255         super.onPause();
 256     }
 257
 258     @Override
 259     public int show (FragmentTransaction transaction, String tag) {
 260         Log_OC.d(TAG, "show (transaction)");
 261         return super.show(transaction, tag);
 262     }
 263
 264     @Override
 265     public void show (FragmentManager manager, String tag) {
 266         Log_OC.d(TAG, "show (manager)");
 267         super.show(manager, tag);
 268     }
 269
 270 }