Sander Alewijnse | 93476d6 | 2014-10-01 12:23:06 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014, 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.managedprovisioning; |
| 18 | |
| 19 | import android.app.Activity; |
| 20 | import android.os.Bundle; |
| 21 | import android.webkit.WebView; |
| 22 | import android.webkit.WebViewClient; |
| 23 | |
| 24 | /** |
| 25 | * This activity shows a web view, which loads the {@link #EXTRA_URL} indicated in the starting |
| 26 | * intent. By default the user can click on links and load other urls. However, if the |
| 27 | * {@link EXTRA_ALLOWED_URL_BASE} is set in the starting intent, then only url starting with the |
| 28 | * allowed url base will be loaded. |
| 29 | * |
| 30 | * <p> |
| 31 | * This activity is currently used by the {@link UserConsentDialog} to display the google support |
| 32 | * web page about the Device Owner concept. |
| 33 | * </p> |
| 34 | */ |
| 35 | public class WebActivity extends Activity { |
| 36 | public static final String EXTRA_URL = "extra_url"; |
| 37 | |
| 38 | // Users can only browse urls starting with the base specified by the following extra. |
| 39 | // If this extra is not used, there are no restrictions on browsable urls. |
| 40 | public static final String EXTRA_ALLOWED_URL_BASE = "extra_allowed_url_base"; |
| 41 | |
| 42 | private WebView mWebView; |
| 43 | |
| 44 | @Override |
| 45 | public void onCreate(Bundle savedInstanceState) { |
| 46 | super.onCreate(savedInstanceState); |
| 47 | |
| 48 | mWebView = new WebView(this); |
| 49 | final String extraUrl = getIntent().getStringExtra(EXTRA_URL); |
| 50 | final String extraAllowedUrlBase = getIntent().getStringExtra(EXTRA_ALLOWED_URL_BASE); |
| 51 | if (extraUrl == null) { |
| 52 | ProvisionLogger.loge("No url provided to WebActivity."); |
| 53 | finish(); |
| 54 | return; |
| 55 | } |
| 56 | mWebView.loadUrl(extraUrl); |
| 57 | mWebView.setWebViewClient(new WebViewClient() { |
| 58 | @Override |
| 59 | public boolean shouldOverrideUrlLoading(WebView view, String url) { |
| 60 | if (extraAllowedUrlBase != null && url.startsWith(extraAllowedUrlBase)) { |
| 61 | view.loadUrl(url); |
| 62 | } |
| 63 | return true; |
| 64 | } |
| 65 | }); |
| 66 | |
| 67 | this.setContentView(mWebView); |
| 68 | } |
| 69 | } |