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

   1 /* ownCloud Android client application
   2  *
   3  *   @author Maria Asensio
   4  *   @author David A. Velasco
   5  *   Copyright (C) 2012-2014 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.ui.dialog;
  22
  23 import android.annotation.SuppressLint;
  24 import android.app.Activity;
  25 import android.app.Dialog;
  26 import android.content.DialogInterface;
  27 import android.os.Bundle;
  28 import android.os.Handler;
  29 import android.support.v4.app.FragmentTransaction;
  30 import android.support.v4.app.FragmentManager;
  31 import android.view.LayoutInflater;
  32 import android.view.View;
  33 import android.view.ViewGroup;
  34 import android.webkit.CookieManager;
  35 import android.webkit.CookieSyncManager;
  36 import android.webkit.WebSettings;
  37 import android.webkit.WebView;
  38 import android.widget.RelativeLayout;
  39
  40 import com.actionbarsherlock.app.SherlockDialogFragment;
  41 import com.owncloud.android.R;
  42 import com.owncloud.android.authentication.SsoWebViewClient;
  43 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  44 import com.owncloud.android.lib.common.OwnCloudClient;
  45 import com.owncloud.android.lib.common.utils.Log_OC;
  46
  47
  48 /**
  49  * Dialog to show the WebView for SAML Authentication
  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         SamlWebViewDialog fragment = new SamlWebViewDialog();
  80         Bundle args = new Bundle();
  81         args.putString(ARG_INITIAL_URL, url);
  82         args.putString(ARG_TARGET_URL, targetUrl);
  83         fragment.setArguments(args);
  84         return fragment;
  85     }
  86
  87
  88     public SamlWebViewDialog() {
  89         super();
  90     }
  91
  92
  93     @Override
  94     public void onAttach(Activity activity) {
  95         Log_OC.v(TAG, "onAttach");
  96         super.onAttach(activity);
  97         try {
  98             mSsoWebViewClientListener = (SsoWebViewClientListener) activity;
  99             mHandler = new Handler();
 100             mWebViewClient = new SsoWebViewClient(activity, mHandler, mSsoWebViewClientListener);
 101
 102        } catch (ClassCastException e) {
 103             throw new ClassCastException(activity.toString() + " must implement " + SsoWebViewClientListener.class.getSimpleName());
 104         }
 105     }
 106
 107
 108     @SuppressLint("SetJavaScriptEnabled")
 109     @Override
 110     public void onCreate(Bundle savedInstanceState) {
 111         Log_OC.v(TAG, "onCreate, savedInstanceState is " + savedInstanceState);
 112         super.onCreate(savedInstanceState);
 113
 114         setRetainInstance(true);
 115
 116         CookieSyncManager.createInstance(getSherlockActivity().getApplicationContext());
 117
 118         if (savedInstanceState == null) {
 119             mInitialUrl = getArguments().getString(ARG_INITIAL_URL);
 120             mTargetUrl = getArguments().getString(ARG_TARGET_URL);
 121         } else {
 122             mInitialUrl = savedInstanceState.getString(ARG_INITIAL_URL);
 123             mTargetUrl = savedInstanceState.getString(ARG_TARGET_URL);
 124         }
 125
 126         setStyle(SherlockDialogFragment.STYLE_NO_TITLE, R.style.Theme_ownCloud_Dialog);
 127     }
 128
 129     @SuppressWarnings("deprecation")
 130     @SuppressLint("SetJavaScriptEnabled")
 131     @Override
 132     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 133         Log_OC.v(TAG, "onCreateView, savedInsanceState is " + savedInstanceState);
 134
 135         // Inflate layout of the dialog
 136         RelativeLayout ssoRootView = (RelativeLayout) inflater.inflate(R.layout.sso_dialog, container, false);  // null parent view because it will go in the dialog layout
 137
 138         if (mSsoWebView == null) {
 139             // initialize the WebView
 140             mSsoWebView = new SsoWebView(getSherlockActivity().getApplicationContext());
 141             mSsoWebView.setFocusable(true);
 142             mSsoWebView.setFocusableInTouchMode(true);
 143             mSsoWebView.setClickable(true);
 144
 145             WebSettings webSettings = mSsoWebView.getSettings();
 146             webSettings.setJavaScriptEnabled(true);
 147             webSettings.setBuiltInZoomControls(false);
 148             webSettings.setLoadWithOverviewMode(false);
 149             webSettings.setSavePassword(false);
 150             webSettings.setUserAgentString(OwnCloudClient.USER_AGENT);
 151             webSettings.setSaveFormData(false);
 152
 153             CookieManager cookieManager = CookieManager.getInstance();
 154             cookieManager.setAcceptCookie(true);
 155             cookieManager.removeAllCookie();
 156
 157             mSsoWebView.loadUrl(mInitialUrl);
 158         }
 159
 160         mWebViewClient.setTargetUrl(mTargetUrl);
 161         mSsoWebView.setWebViewClient(mWebViewClient);
 162
 163         // add the webview into the layout
 164         RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
 165                 RelativeLayout.LayoutParams.WRAP_CONTENT,
 166                 RelativeLayout.LayoutParams.WRAP_CONTENT
 167                 );
 168         ssoRootView.addView(mSsoWebView, layoutParams);
 169         ssoRootView.requestLayout();
 170
 171         return ssoRootView;
 172     }
 173
 174     @Override
 175     public void onSaveInstanceState(Bundle outState) {
 176         Log_OC.v(TAG, "onSaveInstanceState being CALLED");
 177         super.onSaveInstanceState(outState);
 178
 179         // save URLs
 180         outState.putString(ARG_INITIAL_URL, mInitialUrl);
 181         outState.putString(ARG_TARGET_URL, mTargetUrl);
 182     }
 183
 184     @Override
 185     public void onDestroyView() {
 186         Log_OC.v(TAG, "onDestroyView");
 187
 188         if ((ViewGroup)mSsoWebView.getParent() != null) {
 189             ((ViewGroup)mSsoWebView.getParent()).removeView(mSsoWebView);
 190         }
 191
 192         mSsoWebView.setWebViewClient(null);
 193
 194         // Work around bug: http://code.google.com/p/android/issues/detail?id=17423
 195         Dialog dialog = getDialog();
 196         if ((dialog != null)) {
 197             dialog.setOnDismissListener(null);
 198         }
 199
 200         super.onDestroyView();
 201     }
 202
 203     @Override
 204     public void onDestroy() {
 205         Log_OC.v(TAG, "onDestroy");
 206         super.onDestroy();
 207     }
 208
 209     @Override
 210     public void onDetach() {
 211         Log_OC.v(TAG, "onDetach");
 212         mSsoWebViewClientListener = null;
 213         mWebViewClient = null;
 214         super.onDetach();
 215     }
 216
 217     @Override
 218     public void onCancel (DialogInterface dialog) {
 219         Log_OC.d(TAG, "onCancel");
 220         super.onCancel(dialog);
 221     }
 222
 223     @Override
 224     public void onDismiss (DialogInterface dialog) {
 225         Log_OC.d(TAG, "onDismiss");
 226         super.onDismiss(dialog);
 227     }
 228
 229     @Override
 230     public void onStart() {
 231         Log_OC.v(TAG, "onStart");
 232         super.onStart();
 233     }
 234
 235     @Override
 236     public void onStop() {
 237         Log_OC.v(TAG, "onStop");
 238         super.onStop();
 239     }
 240
 241     @Override
 242     public void onResume() {
 243         Log_OC.v(TAG, "onResume");
 244         super.onResume();
 245         mSsoWebView.onResume();
 246     }
 247
 248     @Override
 249     public void onPause() {
 250         Log_OC.v(TAG, "onPause");
 251         mSsoWebView.onPause();
 252         super.onPause();
 253     }
 254
 255     @Override
 256     public int show (FragmentTransaction transaction, String tag) {
 257         Log_OC.v(TAG, "show (transaction)");
 258         return super.show(transaction, tag);
 259     }
 260
 261     @Override
 262     public void show (FragmentManager manager, String tag) {
 263         Log_OC.v(TAG, "show (manager)");
 264         super.show(manager, tag);
 265     }
 266
 267 }