/*
* 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 sun.awt;
import java.awt.*;
import java.awt.print.*;
import java.util.*;
import sun.java2d.*;
/**
* This is an implementation of a GraphicsEnvironment object for the default local GraphicsEnvironment used by the Java
* Runtime Environment for Mac OS X GUI environments.
*
* @see GraphicsDevice
* @see GraphicsConfiguration
*/
public class CGraphicsEnvironment extends SunGraphicsEnvironment {
// Global initialization of the Cocoa runtime.
private static native void initCocoa();
/**
* Fetch an array of all valid CoreGraphics display identifiers.
*/
private static native int[] getDisplayIDs();
/**
* Fetch the CoreGraphics display ID for the 'main' display.
*/
private static native int getMainDisplayID();
/**
* Noop function that just acts as an entry point for someone to force a static initialization of this class.
*/
public static void init() { }
static {
java.security.AccessController.doPrivileged(new sun.security.action.LoadLibraryAction("awt"));
java.security.AccessController.doPrivileged(new java.security.PrivilegedAction<Object>() {
public Object run() {
if (isHeadless()) return null;
initCocoa();
return null;
}
});
// Install the correct surface manager factory.
SurfaceManagerFactory.setInstance(new MacosxSurfaceManagerFactory());
}
/**
* Register the instance with CGDisplayRegisterReconfigurationCallback()
* The registration uses a weak global reference -- if our instance is garbage collected, the reference will be dropped.
*
* @return Return the registration context (a pointer).
*/
private native long registerDisplayReconfiguration();
/**
* Remove the instance's registration with CGDisplayRemoveReconfigurationCallback()
*/
private native void deregisterDisplayReconfiguration(long context);
/** Available CoreGraphics displays. */
private final Map<Integer, CGraphicsDevice> devices = new HashMap<Integer, CGraphicsDevice>();
/** Reference to the display reconfiguration callback context. */
private final long displayReconfigContext;
/**
* Construct a new instance.
*/
public CGraphicsEnvironment() {
if (isHeadless()) {
displayReconfigContext = 0L;
return;
}
/* Populate the device table */
initDevices();
/* Register our display reconfiguration listener */
displayReconfigContext = registerDisplayReconfiguration();
if (displayReconfigContext == 0L) {
throw new RuntimeException("Could not register CoreGraphics display reconfiguration callback");
}
}
/**
* Called by the CoreGraphics Display Reconfiguration Callback.
*
* @param displayId
* CoreGraphics displayId
*/
void _displayReconfiguration(long displayId) {
displayChanged();
}
@Override
protected void finalize() throws Throwable {
try {
super.finalize();
} finally {
deregisterDisplayReconfiguration(displayReconfigContext);
}
}
/**
* (Re)create all CGraphicsDevices
*
* @return
*/
private synchronized void initDevices() {
devices.clear();
int mainID = getMainDisplayID();
// initialization of the graphics device may change
// list of displays on hybrid systems via an activation
// of discrete video.
// So, we initialize the main display first, and then
// retrieve actual list of displays.
CGraphicsDevice mainDevice = new CGraphicsDevice(mainID);
final int[] displayIDs = getDisplayIDs();
for (int displayID : displayIDs) {
if (displayID != mainID) {
devices.put(displayID, new CGraphicsDevice(displayID));
} else {
devices.put(mainID, mainDevice);
}
}
}
@Override
public synchronized GraphicsDevice getDefaultScreenDevice() throws HeadlessException {
final int mainDisplayID = getMainDisplayID();
CGraphicsDevice d = devices.get(mainDisplayID);
if (d == null) {
// we do not exepct that this may happen, the only responce
// is to re-initialize the list of devices
initDevices();
d = devices.get(mainDisplayID);
}
return d;
}
@Override
public synchronized GraphicsDevice[] getScreenDevices() throws HeadlessException {
return devices.values().toArray(new CGraphicsDevice[devices.values().size()]);
}
@Override
protected synchronized int getNumScreens() {
return devices.size();
}
@Override
protected GraphicsDevice makeScreenDevice(int screennum) {
throw new UnsupportedOperationException("This method is unused and should not be called in this implementation");
}
@Override
public boolean isDisplayLocal() {
return true;
}
private Font[] allFontsWithLogical;
static String[] sLogicalFonts = { "Serif", "SansSerif", "Monospaced", "Dialog", "DialogInput" };
@Override
public Font[] getAllFonts() {
if (allFontsWithLogical == null)
{
Font[] newFonts;
Font[] superFonts = super.getAllFonts();
int numLogical = sLogicalFonts.length;
int numOtherFonts = superFonts.length;
newFonts = new Font[numOtherFonts + numLogical];
System.arraycopy(superFonts,0,newFonts,numLogical,numOtherFonts);
for (int i = 0; i < numLogical; i++)
{
newFonts[i] = new Font(sLogicalFonts[i], Font.PLAIN, 1);
}
allFontsWithLogical = newFonts;
}
return java.util.Arrays.copyOf(allFontsWithLogical, allFontsWithLogical.length);
}
}