1 /* 2 * Copyright (c) 2011, 2012, 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.apple.laf; 27 28 import java.awt.*; 29 import javax.swing.*; 30 31 import sun.lwawt.macosx.CPlatformWindow; 32 33 class ScreenPopupFactory extends PopupFactory { 34 static { 35 java.security.AccessController.doPrivileged( 36 new java.security.PrivilegedAction<Void>() { 37 public Void run() { 38 System.loadLibrary("osxui"); 39 return null; 40 } 41 }); 42 } 43 44 static final Float TRANSLUCENT = new Float(248f/255f); 45 static final Float OPAQUE = new Float(1.0f); 46 47 boolean fIsActive = true; 48 49 // Only popups generated with the Aqua LaF turned on will be translucent with shadows 50 void setActive(final boolean b) { 51 fIsActive = b; 52 } 53 54 private static Window getWindow(final Component c) { 55 Component w = c; 56 while(!(w instanceof Window) && (w!=null)) { 57 w = w.getParent(); 58 } 59 return (Window)w; 60 } 61 62 /* 63 * Since we can't change the signature of PopupFactory, we have to call the 64 * private method getPopup(Component, Component, int, int, int) through JNI 65 * (see AquaLookAndFeel.m) 66 */ 67 native Popup _getHeavyWeightPopup(Component comp, Component invoker, int x, int y); 68 69 public Popup getPopup(final Component comp, final Component invoker, final int x, final int y) { 70 if (invoker == null) throw new IllegalArgumentException("Popup.getPopup must be passed non-null contents"); 71 72 final Popup popup; 73 if (fIsActive) { 74 popup = _getHeavyWeightPopup(comp, invoker, x, y); 75 } else { 76 popup = super.getPopup(comp, invoker, x, y); 77 } 78 79 // Make the popup semi-translucent if it is a heavy weight 80 // see <rdar://problem/3547670> JPopupMenus have incorrect background 81 final Window w = getWindow(invoker); 82 if (w == null) return popup; 83 84 if (!(w instanceof RootPaneContainer)) return popup; 85 final JRootPane popupRootPane = ((RootPaneContainer)w).getRootPane(); 86 87 // we need to set every time, because PopupFactory caches the heavy weight 88 // TODO: CPlatformWindow constants? 89 if (fIsActive) { 90 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_ALPHA, TRANSLUCENT); 91 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW, Boolean.TRUE); 92 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_FADE_DELEGATE, invoker); 93 94 w.setBackground(UIManager.getColor("PopupMenu.translucentBackground")); 95 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_DRAGGABLE_BACKGROUND, Boolean.FALSE); 96 SwingUtilities.invokeLater(new Runnable() { 97 public void run() { 98 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW_REVALIDATE_NOW, Double.valueOf(Math.random())); 99 } 100 }); 101 } else { 102 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_ALPHA, OPAQUE); 103 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW, Boolean.FALSE); 104 } 105 106 return popup; 107 } 108 }