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 /** 20 * An instance of this class is passed as a parameter in various {@link WebChromeClient} action 21 * notifications. The object is used as a handle onto the underlying JavaScript-originated request, 22 * and provides a means for the client to indicate whether this action should proceed. 23 */ 24 public class JsResult { 25 /** 26 * Callback interface, implemented by the WebViewProvider implementation to receive 27 * notifications when the JavaScript result represented by a JsResult instance has 28 * @hide Only for use by WebViewProvider implementations 29 */ 30 public interface ResultReceiver { 31 public void onJsResultComplete(JsResult result); 32 } 33 // This is the caller of the prompt and is the object that is waiting. 34 private final ResultReceiver mReceiver; 35 // This is a basic result of a confirm or prompt dialog. 36 private boolean mResult; 37 38 /** 39 * Handle the result if the user cancelled the dialog. 40 */ 41 public final void cancel() { 42 mResult = false; 43 wakeUp(); 44 } 45 46 /** 47 * Handle a confirmation response from the user. 48 */ 49 public final void confirm() { 50 mResult = true; 51 wakeUp(); 52 } 53 54 /** 55 * @hide Only for use by WebViewProvider implementations 56 */ 57 public JsResult(ResultReceiver receiver) { 58 mReceiver = receiver; 59 } 60 61 /** 62 * @hide Only for use by WebViewProvider implementations 63 */ 64 public final boolean getResult() { 65 return mResult; 66 } 67 68 /* Notify the caller that the JsResult has completed */ 69 private final void wakeUp() { 70 mReceiver.onJsResultComplete(this); 71 } 72 } 73
