com.sun.javafx.stage.WindowHelper Maven / Gradle / Ivy
/*
* Copyright (c) 2013, 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.
*
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package com.sun.javafx.stage;
import javafx.stage.Window;
/**
* Used to access internal window methods.
*/
public final class WindowHelper {
private static WindowAccessor windowAccessor;
static {
forceInit(Window.class);
}
private WindowHelper() {
}
public static void setLocation(final Window window,
final double x,
final double y) {
windowAccessor.setLocation(window, x, y);
}
public static void setSize(final Window window,
final double width,
final double height) {
windowAccessor.setSize(window, width, height);
}
public static void setWindowAccessor(final WindowAccessor newAccessor) {
if (windowAccessor != null) {
throw new IllegalStateException();
}
windowAccessor = newAccessor;
}
public interface WindowAccessor {
void setLocation(Window window, double x, double y);
void setSize(Window window, double width, double height);
}
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
}
}
}