1 /* 2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.javafx.scene; 27 28 import com.sun.glass.ui.Accessible; 29 import javafx.scene.Camera; 30 import javafx.scene.Node; 31 import javafx.scene.Parent; 32 import javafx.scene.Scene; 33 34 /** 35 * Used to access internal scene methods. 36 */ 37 public final class SceneHelper { 38 private static SceneAccessor sceneAccessor; 39 40 static { 41 forceInit(Scene.class); 42 } 43 44 private SceneHelper() { 45 } 46 47 public static void setPaused(final boolean paused) { 48 sceneAccessor.setPaused(paused); 49 } 50 51 public static void parentEffectiveOrientationInvalidated( 52 final Scene scene) { 53 sceneAccessor.parentEffectiveOrientationInvalidated(scene); 54 } 55 56 public static Camera getEffectiveCamera(final Scene scene) { 57 return sceneAccessor.getEffectiveCamera(scene); 58 } 59 60 public static Scene createPopupScene(final Parent root) { 61 return sceneAccessor.createPopupScene(root); 62 } 63 64 public static Accessible getAccessible(Scene scene) { 65 return sceneAccessor.getAccessible(scene); 66 } 67 68 public static void setSceneAccessor(final SceneAccessor newAccessor) { 69 if (sceneAccessor != null) { 70 throw new IllegalStateException(); 71 } 72 73 sceneAccessor = newAccessor; 74 } 75 76 public static SceneAccessor getSceneAccessor() { 77 if (sceneAccessor == null) throw new IllegalStateException(); 78 return sceneAccessor; 79 } 80 81 public interface SceneAccessor { 82 void setPaused(boolean paused); 83 84 void parentEffectiveOrientationInvalidated(Scene scene); 85 86 Camera getEffectiveCamera(Scene scene); 87 88 Scene createPopupScene(Parent root); 89 90 void setTransientFocusContainer(Scene scene, Node node); 91 92 Accessible getAccessible(Scene scene); 93 } 94 95 private static void forceInit(final Class<?> classToInit) { 96 try { 97 Class.forName(classToInit.getName(), true, 98 classToInit.getClassLoader()); 99 } catch (final ClassNotFoundException e) { 100 throw new AssertionError(e); // Can't happen 101 } 102 } 103 }