/* * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.javafx.stage; import com.sun.javafx.util.Utils; import javafx.stage.Stage; import javafx.stage.Window; /** * Utility class class used for accessing certain implementation-specific * runtime functionality. */ public class StageHelper extends WindowHelper { private static final StageHelper theInstance; private static StageAccessor stageAccessor; static { theInstance = new StageHelper(); Utils.forceInit(Stage.class); } private static WindowHelper getInstance() { return theInstance; } public static void initHelper(Stage stage) { setHelper(stage, getInstance()); } @Override protected void visibleChangingImpl(Window window, boolean visible) { super.visibleChangingImpl(window, visible); stageAccessor.doVisibleChanging(window, visible); } @Override protected void visibleChangedImpl(Window window, boolean visible) { super.visibleChangedImpl(window, visible); stageAccessor.doVisibleChanged(window, visible); } public static void initSecurityDialog(Stage stage, boolean securityDialog) { stageAccessor.initSecurityDialog(stage, securityDialog); } public static void setPrimary(Stage stage, boolean primary) { stageAccessor.setPrimary(stage, primary); } public static void setImportant(Stage stage, boolean important) { stageAccessor.setImportant(stage, important); } public static void setStageAccessor(StageAccessor a) { if (stageAccessor != null) { System.out.println("Warning: Stage accessor already set: " + stageAccessor); Thread.dumpStack(); } stageAccessor = a; } public static StageAccessor getStageAccessor() { return stageAccessor; } public static interface StageAccessor { void doVisibleChanging(Window window, boolean visible); void doVisibleChanged(Window window, boolean visible); public void initSecurityDialog(Stage stage, boolean securityDialog); public void setPrimary(Stage stage, boolean primary); public void setImportant(Stage stage, boolean important); } }