1 /* 2 * Copyright (C) 2007 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 android.webkit; 18 19 import android.content.Context; 20 21 /** 22 * This class allows developers to determine whether any WebView used in the 23 * application has stored any of the following types of browsing data and 24 * to clear any such stored data for all WebViews in the application. 25 * <ul> 26 * <li>Username/password pairs entered into web forms</li> 27 * <li>HTTP authentication username/password pairs</li> 28 * <li>Data entered into text fields (e.g. for autocomplete suggestions)</li> 29 * </ul> 30 */ 31 public class WebViewDatabase { 32 // TODO: deprecate/hide this. 33 protected static final String LOGTAG = "webviewdatabase"; 34 35 /** 36 * @hide Only for use by WebViewProvider implementations. 37 */ 38 protected WebViewDatabase() { 39 } 40 41 public static synchronized WebViewDatabase getInstance(Context context) { 42 return WebViewFactory.getProvider().getWebViewDatabase(context); 43 } 44 45 /** 46 * Gets whether there are any username/password combinations 47 * from web pages saved. 48 * 49 * @return true if there are any username/passwords used in web 50 * forms saved 51 */ 52 public boolean hasUsernamePassword() { 53 throw new MustOverrideException(); 54 } 55 56 /** 57 * Clears any username/password combinations saved from web forms. 58 */ 59 public void clearUsernamePassword() { 60 throw new MustOverrideException(); 61 } 62 63 /** 64 * Gets whether there are any HTTP authentication username/password combinations saved. 65 * 66 * @return true if there are any HTTP authentication username/passwords saved 67 */ 68 public boolean hasHttpAuthUsernamePassword() { 69 throw new MustOverrideException(); 70 } 71 72 /** 73 * Clears any HTTP authentication username/passwords that are saved. 74 */ 75 public void clearHttpAuthUsernamePassword() { 76 throw new MustOverrideException(); 77 } 78 79 /** 80 * Gets whether there is any previously-entered form data saved. 81 * 82 * @return true if there is form data saved 83 */ 84 public boolean hasFormData() { 85 throw new MustOverrideException(); 86 } 87 88 /** 89 * Clears any stored previously-entered form data. 90 */ 91 public void clearFormData() { 92 throw new MustOverrideException(); 93 } 94 } 95
