1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17/** 18 * @author Pavel Dolgov 19 * @version $Revision$ 20 */ 21package java.awt; 22 23/** 24 * 25 * The context for nested event loop. It can be dialog, popup menu etc. 26 */ 27class ModalContext { 28 29 private boolean running = false; 30 31 private final Toolkit toolkit; 32 33 ModalContext() { 34 toolkit = Toolkit.getDefaultToolkit(); 35 } 36 37 /** 38 * Set up and run modal loop in this context 39 * 40 */ 41 void runModalLoop() { 42 running = true; 43 toolkit.dispatchThread.runModalLoop(this); 44 } 45 46 /** 47 * Leave the modal loop running in this context 48 * This method doesn't stops the loop immediately, 49 * it just sets the flag that says the modal loop to stop 50 * 51 */ 52 void endModalLoop() { 53 running = false; 54 } 55 56 /** 57 * 58 * @return modal loop is currently running in this context 59 */ 60 boolean isModalLoopRunning() { 61 return running; 62 } 63 64} 65