--- /dev/null 2016-04-29 10:56:29.000000000 -0700 +++ new/modules/graphics/src/main/java/com/sun/javafx/scene/input/TouchPointHelper.java 2016-04-29 10:56:29.138194100 -0700 @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2016, 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.scene.input; + +import javafx.scene.input.TouchPoint; + +/** + * Used to access internal methods of TouchPoint. + */ +public class TouchPointHelper { + + private static TouchPointAccessor touchPointAccessor; + + static { + forceInit(TouchPoint.class); + } + + private TouchPointHelper() { + } + + public static void reset(TouchPoint touchPoint) { + touchPointAccessor.reset(touchPoint); + } + + public static void setTouchPointAccessor(final TouchPointAccessor newAccessor) { + if (touchPointAccessor != null) { + throw new IllegalStateException(); + } + + touchPointAccessor = newAccessor; + } + + public interface TouchPointAccessor { + void reset(TouchPoint touchPoint); + } + + private static void forceInit(final Class classToInit) { + try { + Class.forName(classToInit.getName(), true, + classToInit.getClassLoader()); + } catch (final ClassNotFoundException e) { + throw new AssertionError(e); // Can't happen + } + } +} +