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 import sun.swing.SwingAccessor; 33 34 class ScreenPopupFactory extends PopupFactory { 35 static final Float TRANSLUCENT = 248f/255f; 36 static final Float OPAQUE = 1.0f; 37 38 boolean fIsActive = true; 39 40 // Only popups generated with the Aqua LaF turned on will be translucent with shadows setActive(final boolean b)41 void setActive(final boolean b) { 42 fIsActive = b; 43 } 44 getWindow(final Component c)45 private static Window getWindow(final Component c) { 46 Component w = c; 47 while(!(w instanceof Window) && (w!=null)) { 48 w = w.getParent(); 49 } 50 return (Window)w; 51 } 52 getPopup(final Component comp, final Component invoker, final int x, final int y)53 public Popup getPopup(final Component comp, final Component invoker, final int x, final int y) { 54 if (invoker == null) throw new IllegalArgumentException("Popup.getPopup must be passed non-null contents"); 55 56 final Popup popup; 57 if (fIsActive) { 58 popup = SwingAccessor.getPopupFactoryAccessor() 59 .getHeavyWeightPopup(this, comp, invoker, x, y); 60 } else { 61 popup = super.getPopup(comp, invoker, x, y); 62 } 63 64 // Make the popup semi-translucent if it is a heavy weight 65 // see <rdar://problem/3547670> JPopupMenus have incorrect background 66 final Window w = getWindow(invoker); 67 if (w == null) return popup; 68 69 if (!(w instanceof RootPaneContainer)) return popup; 70 final JRootPane popupRootPane = ((RootPaneContainer)w).getRootPane(); 71 72 // we need to set every time, because PopupFactory caches the heavy weight 73 // TODO: CPlatformWindow constants? 74 if (fIsActive) { 75 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_ALPHA, TRANSLUCENT); 76 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW, Boolean.TRUE); 77 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_FADE_DELEGATE, invoker); 78 79 w.setBackground(UIManager.getColor("PopupMenu.translucentBackground")); 80 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_DRAGGABLE_BACKGROUND, Boolean.FALSE); 81 SwingUtilities.invokeLater(new Runnable() { 82 public void run() { 83 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW_REVALIDATE_NOW, Double.valueOf(Math.random())); 84 } 85 }); 86 } else { 87 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_ALPHA, OPAQUE); 88 popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW, Boolean.FALSE); 89 } 90 91 return popup; 92 } 93 } 94