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

   1 package com.owncloud.android.ui.dialog;
   2
   3 import android.annotation.SuppressLint;
   4 import android.app.Activity;
   5 import android.app.AlertDialog;
   6 import android.app.Dialog;
   7 import android.os.Bundle;
   8 import android.os.Handler;
   9 import android.support.v4.app.DialogFragment;
  10 import android.webkit.CookieManager;
  11 import android.webkit.WebSettings;
  12 import android.webkit.WebView;
  13
  14 import com.owncloud.android.Log_OC;
  15 import com.owncloud.android.authentication.SsoWebViewClient;
  16 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  17
  18 import eu.alefzero.webdav.WebdavClient;
  19
  20 /**
  21  * Dialog to show the WebView for SAML Authentication
  22  *
  23  * @author Maria Asensio
  24  */
  25 public class SamlWebViewDialog extends DialogFragment
  26                               {
  27
  28     public final String SAML_DIALOG_TAG = "SamlWebViewDialog";
  29
  30     private final static String TAG =  SamlWebViewDialog.class.getSimpleName();
  31
  32     private WebView mSsoWebView;
  33     private SsoWebViewClient mWebViewClient;
  34
  35     private static String mUrl;
  36     private static String mTargetUrl;
  37
  38     private Handler mHandler;
  39
  40     private SsoWebViewClientListener mSsoWebViewClientListener;
  41
  42
  43     /**
  44      * Public factory method to get dialog instances.
  45      *
  46      * @param handler
  47      * @param Url           Url to open at WebView
  48      * @param targetURL     mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType)
  49      * @return              New dialog instance, ready to show.
  50      */
  51     public static SamlWebViewDialog newInstance(String url, String targetUrl) {
  52         SamlWebViewDialog fragment = new SamlWebViewDialog();
  53
  54         mUrl = url;
  55         mTargetUrl = targetUrl;
  56         return fragment;
  57     }
  58
  59
  60     @Override
  61     public void onSaveInstanceState(Bundle outState) {
  62         super.onSaveInstanceState(outState);
  63
  64         // Save the state of the WebView
  65         mSsoWebView.saveState(outState);
  66     }
  67
  68     @SuppressLint("SetJavaScriptEnabled")
  69         @Override
  70     public Dialog onCreateDialog(Bundle savedInstanceState) {
  71         Log_OC.d(TAG, "On Create Dialog");
  72
  73         mHandler = new Handler();
  74
  75         mSsoWebView = new WebView(getActivity()) {
  76             @Override
  77             public boolean onCheckIsTextEditor() {
  78                 return true;
  79             }
  80         };
  81
  82
  83         mWebViewClient = new SsoWebViewClient(mHandler, mSsoWebViewClientListener);
  84         mSsoWebView.setWebViewClient(mWebViewClient);
  85         mWebViewClient.setTargetUrl(mTargetUrl);
  86
  87         mSsoWebView.setFocusable(true);
  88         mSsoWebView.setFocusableInTouchMode(true);
  89         mSsoWebView.setClickable(true);
  90
  91         WebSettings webSettings = mSsoWebView.getSettings();
  92         webSettings.setJavaScriptEnabled(true);
  93         webSettings.setBuiltInZoomControls(true);
  94         webSettings.setLoadWithOverviewMode(false);
  95         webSettings.setSavePassword(false);
  96         webSettings.setUserAgentString(WebdavClient.USER_AGENT);
  97
  98         // load the dialog
  99         if (savedInstanceState == null) {
 100             initWebView();
 101         }
 102         else  {
 103             restoreWebView(savedInstanceState);
 104         }
 105
 106         // build the dialog
 107         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
 108         Dialog dialog = builder.setView(mSsoWebView).create();
 109
 110         return dialog;
 111     }
 112
 113     @SuppressLint("SetJavaScriptEnabled")
 114     private void initWebView() {
 115         CookieManager cookieManager = CookieManager.getInstance();
 116         cookieManager.setAcceptCookie(true);
 117         cookieManager.removeAllCookie();
 118
 119         mSsoWebView.loadUrl(mUrl);
 120     }
 121
 122     @SuppressLint("SetJavaScriptEnabled")
 123     private void restoreWebView(Bundle savedInstanceState) {
 124         mSsoWebView.restoreState(savedInstanceState);
 125
 126         CookieManager cookieManager = CookieManager.getInstance();
 127         Log_OC.e(TAG, "Accept Cookie: " + cookieManager.acceptCookie());
 128     }
 129
 130
 131     @Override
 132     public void onDestroyView() {
 133         Dialog dialog = getDialog();
 134         Log_OC.d(TAG, "On Destroy");
 135         // Work around bug: http://code.google.com/p/android/issues/detail?id=17423
 136         if ((dialog != null) && getRetainInstance())
 137             getDialog().setOnDismissListener(null);
 138
 139         super.onDestroyView();
 140     }
 141
 142
 143     @Override
 144     public void onAttach(Activity activity) {
 145         super.onAttach(activity);
 146         Log_OC.e(TAG, "onAttach");
 147         try {
 148             mSsoWebViewClientListener = (SsoWebViewClientListener) activity;
 149         } catch (ClassCastException e) {
 150             throw new ClassCastException(activity.toString() + " must implement " + SsoWebViewClientListener.class.getSimpleName());
 151         }
 152     }
 153 }