| /* |
| * Copyright (c) 2011, 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.apple.eawt; |
| |
| import com.apple.eawt.event.FullScreenEvent; |
| import java.awt.*; |
| import java.util.*; |
| import java.util.List; |
| |
| import javax.swing.RootPaneContainer; |
| |
| import sun.awt.SunToolkit; |
| |
| import java.lang.annotation.Native; |
| |
| final class FullScreenHandler { |
| private static final String CLIENT_PROPERTY = "com.apple.eawt.event.internalFullScreenHandler"; |
| |
| @Native static final int FULLSCREEN_WILL_ENTER = 1; |
| @Native static final int FULLSCREEN_DID_ENTER = 2; |
| @Native static final int FULLSCREEN_WILL_EXIT = 3; |
| @Native static final int FULLSCREEN_DID_EXIT = 4; |
| |
| // installs a private instance of the handler, if necessary |
| static void addFullScreenListenerTo(final RootPaneContainer window, final FullScreenListener listener) { |
| final Object value = window.getRootPane().getClientProperty(CLIENT_PROPERTY); |
| if (value instanceof FullScreenHandler) { |
| ((FullScreenHandler)value).addListener(listener); |
| return; |
| } |
| |
| if (value != null) return; // some other garbage is in our client property |
| |
| final FullScreenHandler newHandler = new FullScreenHandler(); |
| newHandler.addListener(listener); |
| window.getRootPane().putClientProperty(CLIENT_PROPERTY, newHandler); |
| } |
| |
| // asks the installed FullScreenHandler to remove it's listener (does not uninstall the FullScreenHandler) |
| static void removeFullScreenListenerFrom(final RootPaneContainer window, final FullScreenListener listener) { |
| final Object value = window.getRootPane().getClientProperty(CLIENT_PROPERTY); |
| if (!(value instanceof FullScreenHandler)) return; |
| ((FullScreenHandler)value).removeListener(listener); |
| } |
| |
| static FullScreenHandler getHandlerFor(final RootPaneContainer window) { |
| final Object value = window.getRootPane().getClientProperty(CLIENT_PROPERTY); |
| if (value instanceof FullScreenHandler) return (FullScreenHandler)value; |
| return null; |
| } |
| |
| // called from native |
| static void handleFullScreenEventFromNative(final Window window, final int type) { |
| if (!(window instanceof RootPaneContainer)) return; // handles null |
| |
| SunToolkit.executeOnEventHandlerThread(window, new Runnable() { |
| public void run() { |
| final FullScreenHandler handler = getHandlerFor((RootPaneContainer)window); |
| if (handler != null) handler.notifyListener(new FullScreenEvent(window), type); |
| } |
| }); |
| } |
| |
| |
| final List<FullScreenListener> listeners = new LinkedList<FullScreenListener>(); |
| |
| FullScreenHandler() { } |
| |
| void addListener(final FullScreenListener listener) { |
| listeners.add(listener); |
| } |
| |
| void removeListener(final FullScreenListener listener) { |
| listeners.remove(listener); |
| } |
| |
| void notifyListener(final FullScreenEvent e, final int op) { |
| for (final FullScreenListener listener : listeners) { |
| switch (op) { |
| case FULLSCREEN_WILL_ENTER: |
| listener.windowEnteringFullScreen(e); |
| return; |
| case FULLSCREEN_DID_ENTER: |
| listener.windowEnteredFullScreen(e); |
| return; |
| case FULLSCREEN_WILL_EXIT: |
| listener.windowExitingFullScreen(e); |
| return; |
| case FULLSCREEN_DID_EXIT: |
| listener.windowExitedFullScreen(e); |
| return; |
| } |
| } |
| } |
| } |