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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings;
     18 
     19 import android.app.AlertDialog;
     20 import android.content.Context;
     21 import android.content.res.Configuration;
     22 import android.os.Build;
     23 import android.os.Bundle;
     24 import android.os.SystemProperties;
     25 import android.telephony.TelephonyManager;
     26 import android.text.TextUtils;
     27 import android.view.KeyEvent;
     28 import android.webkit.WebView;
     29 import android.webkit.WebViewClient;
     30 import com.android.internal.app.AlertActivity;
     31 import com.android.internal.app.AlertController;
     32 import android.content.DialogInterface;
     33 
     34 /**
     35  * The "dialog" that shows from "Safety information" in the Settings app.
     36  */
     37 public class SettingsSafetyLegalActivity extends AlertActivity
     38         implements DialogInterface.OnCancelListener, DialogInterface.OnClickListener {
     39     private static final String PROPERTY_LSAFETYLEGAL_URL = "ro.url.safetylegal";
     40 
     41     private WebView mWebView;
     42 
     43     @Override
     44     protected void onCreate(Bundle savedInstanceState) {
     45         super.onCreate(savedInstanceState);
     46 
     47         String userSafetylegalUrl = SystemProperties.get(PROPERTY_LSAFETYLEGAL_URL);
     48 
     49         final Configuration configuration = getResources().getConfiguration();
     50         final String language = configuration.locale.getLanguage();
     51         final String country = configuration.locale.getCountry();
     52 
     53         String loc = String.format("locale=%s-%s", language, country);
     54 
     55         userSafetylegalUrl = String.format("%s&%s", userSafetylegalUrl, loc);
     56 
     57         mWebView = new WebView(this);
     58 
     59         // Begin accessing
     60         mWebView.getSettings().setJavaScriptEnabled(true);
     61         if (savedInstanceState == null) {
     62             mWebView.loadUrl(userSafetylegalUrl);
     63         } else {
     64             mWebView.restoreState(savedInstanceState);
     65         }
     66         mWebView.setWebViewClient(new WebViewClient() {
     67             @Override
     68             public void onPageFinished(WebView view, String url) {
     69                 // Change from 'Loading...' to the real title
     70                 mAlert.setTitle(getString(R.string.settings_safetylegal_activity_title));
     71             }
     72 
     73             @Override
     74             public void onReceivedError(WebView view, int errorCode,
     75                     String description, String failingUrl) {
     76                 showErrorAndFinish(failingUrl);
     77             }
     78         });
     79 
     80         final AlertController.AlertParams p = mAlertParams;
     81         p.mTitle = getString(R.string.settings_safetylegal_activity_loading);
     82         p.mView = mWebView;
     83         p.mForceInverseBackground = true;
     84         setupAlert();
     85     }
     86 
     87     private void showErrorAndFinish(String url) {
     88         new AlertDialog.Builder(this)
     89                 .setMessage(getResources()
     90                         .getString(R.string.settings_safetylegal_activity_unreachable, url))
     91                 .setTitle(R.string.settings_safetylegal_activity_title)
     92                 .setPositiveButton(android.R.string.ok, this)
     93                 .setOnCancelListener(this)
     94                 .setCancelable(true)
     95                 .show();
     96     }
     97 
     98     @Override
     99     public boolean dispatchKeyEvent(KeyEvent event) {
    100         if (event.getKeyCode() == KeyEvent.KEYCODE_BACK
    101                 && event.getAction() == KeyEvent.ACTION_DOWN) {
    102             if (mWebView.canGoBack()) {
    103                 mWebView.goBack();
    104                 return true;
    105             }
    106         }
    107         return super.dispatchKeyEvent(event);
    108     }
    109 
    110     public void onClick(DialogInterface dialog, int whichButton) {
    111         finish();
    112     }
    113 
    114     public void onCancel(DialogInterface dialog) {
    115         finish();
    116     }
    117 
    118     @Override
    119     public void onSaveInstanceState(Bundle icicle) {
    120         mWebView.saveState(icicle);
    121         super.onSaveInstanceState(icicle);
    122     }
    123 }
    124