| /* |
| * Copyright 2014, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.managedprovisioning.uiflows; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.webkit.WebView; |
| import android.webkit.WebViewClient; |
| |
| import com.android.managedprovisioning.ProvisionLogger; |
| |
| /** |
| * This activity shows a web view, which loads the url indicated in the starting intent. By default |
| * the user can click on links and load other urls. However, by passing the allowed url base, the |
| * web view can be limited to urls that start with this base. |
| * |
| * <p>This activity is currently used by the |
| * {@link com.android.managedprovisioning.UserConsentDialog} to display the google support web page |
| * about the provisioning concepts. |
| */ |
| public class WebActivity extends Activity { |
| private static final String EXTRA_URL = "extra_url"; |
| |
| // Users can only browse urls starting with the base specified by the following extra. |
| // If this extra is not used, there are no restrictions on browsable urls. |
| private static final String EXTRA_ALLOWED_URL_BASE = "extra_allowed_url_base"; |
| |
| private WebView mWebView; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| mWebView = new WebView(this); |
| final String extraUrl = getIntent().getStringExtra(EXTRA_URL); |
| final String extraAllowedUrlBase = getIntent().getStringExtra(EXTRA_ALLOWED_URL_BASE); |
| if (extraUrl == null) { |
| ProvisionLogger.loge("No url provided to WebActivity."); |
| finish(); |
| return; |
| } |
| mWebView.loadUrl(extraUrl); |
| mWebView.setWebViewClient(new WebViewClient() { |
| @Override |
| public boolean shouldOverrideUrlLoading(WebView view, String url) { |
| if (extraAllowedUrlBase != null && url.startsWith(extraAllowedUrlBase)) { |
| view.loadUrl(url); |
| } |
| return true; |
| } |
| }); |
| |
| this.setContentView(mWebView); |
| } |
| |
| /** |
| * Creates an intent to launch the webactivity. |
| * |
| * @param url the url to be shown upon launching this activity |
| * @param allowedUrlBase the limit to all urls allowed to be seen in this webview |
| */ |
| public static Intent createIntent(Context context, String url, String allowedUrlBase) { |
| Intent intent = new Intent(context, WebActivity.class); |
| intent.putExtra(WebActivity.EXTRA_URL, url); |
| intent.putExtra(WebActivity.EXTRA_ALLOWED_URL_BASE, allowedUrlBase); |
| return intent; |
| } |
| } |