/*
* Copyright (c) 2011, 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.laf;
import java.awt.*;
import java.security.PrivilegedAction;
import javax.swing.*;
import sun.lwawt.macosx.CPlatformWindow;
class ScreenPopupFactory extends PopupFactory {
static {
java.security.AccessController.doPrivileged((PrivilegedAction<?>)new sun.security.action.LoadLibraryAction("osxui"));
}
static final Float TRANSLUCENT = new Float(248f/255f);
static final Float OPAQUE = new Float(1.0f);
boolean fIsActive = true;
// Only popups generated with the Aqua LaF turned on will be translucent with shadows
void setActive(final boolean b) {
fIsActive = b;
}
private static Window getWindow(final Component c) {
Component w = c;
while(!(w instanceof Window) && (w!=null)) {
w = w.getParent();
}
return (Window)w;
}
/*
* Since we can't change the signature of PopupFactory, we have to call the
* private method getPopup(Component, Component, int, int, int) through JNI
* (see AquaLookAndFeel.m)
*/
native Popup _getHeavyWeightPopup(Component comp, Component invoker, int x, int y);
public Popup getPopup(final Component comp, final Component invoker, final int x, final int y) {
if (invoker == null) throw new IllegalArgumentException("Popup.getPopup must be passed non-null contents");
final Popup popup;
if (fIsActive) {
popup = _getHeavyWeightPopup(comp, invoker, x, y);
} else {
popup = super.getPopup(comp, invoker, x, y);
}
// Make the popup semi-translucent if it is a heavy weight
// see <rdar://problem/3547670> JPopupMenus have incorrect background
final Window w = getWindow(invoker);
if (w == null) return popup;
if (!(w instanceof RootPaneContainer)) return popup;
final JRootPane popupRootPane = ((RootPaneContainer)w).getRootPane();
// we need to set every time, because PopupFactory caches the heavy weight
// TODO: CPlatformWindow constants?
if (fIsActive) {
popupRootPane.putClientProperty(CPlatformWindow.WINDOW_ALPHA, TRANSLUCENT);
popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW, Boolean.TRUE);
popupRootPane.putClientProperty(CPlatformWindow.WINDOW_FADE_DELEGATE, invoker);
w.setBackground(UIManager.getColor("PopupMenu.translucentBackground"));
popupRootPane.putClientProperty(CPlatformWindow.WINDOW_DRAGGABLE_BACKGROUND, Boolean.FALSE);
SwingUtilities.invokeLater(new Runnable() {
public void run() {
popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW_REVALIDATE_NOW, Double.valueOf(Math.random()));
}
});
} else {
popupRootPane.putClientProperty(CPlatformWindow.WINDOW_ALPHA, OPAQUE);
popupRootPane.putClientProperty(CPlatformWindow.WINDOW_SHADOW, Boolean.FALSE);
}
return popup;
}
}