--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/macosx/classes/sun/awt/CGraphicsDevice.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 2012, 2015, 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.AWTPermission;
+import java.awt.DisplayMode;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsDevice;
+import java.awt.Insets;
+import java.awt.Window;
+import java.util.Objects;
+import sun.java2d.SunGraphicsEnvironment;
+import sun.java2d.opengl.CGLGraphicsConfig;
+
+public final class CGraphicsDevice extends GraphicsDevice
+ implements DisplayChangedListener {
+
+ /**
+ * CoreGraphics display ID. This identifier can become non-valid at any time
+ * therefore methods, which is using this id should be ready to it.
+ */
+ private volatile int displayID;
+ private volatile double xResolution;
+ private volatile double yResolution;
+ private volatile int scale;
+
+ // Array of all GraphicsConfig instances for this device
+ private final GraphicsConfiguration[] configs;
+
+ // Default config (temporarily hard coded)
+ private final int DEFAULT_CONFIG = 0;
+
+ private static AWTPermission fullScreenExclusivePermission;
+
+ // Save/restore DisplayMode for the Full Screen mode
+ private DisplayMode originalMode;
+
+ public CGraphicsDevice(final int displayID) {
+ this.displayID = displayID;
+ configs = new GraphicsConfiguration[] {
+ CGLGraphicsConfig.getConfig(this, 0)
+ };
+ }
+
+ /**
+ * Returns CGDirectDisplayID, which is the same id as @"NSScreenNumber" in
+ * NSScreen.
+ *
+ * @return CoreGraphics display id.
+ */
+ public int getCGDisplayID() {
+ return displayID;
+ }
+
+ /**
+ * Return a list of all configurations.
+ */
+ @Override
+ public GraphicsConfiguration[] getConfigurations() {
+ return configs.clone();
+ }
+
+ /**
+ * Return the default configuration.
+ */
+ @Override
+ public GraphicsConfiguration getDefaultConfiguration() {
+ return configs[DEFAULT_CONFIG];
+ }
+
+ /**
+ * Return a human-readable screen description.
+ */
+ @Override
+ public String getIDstring() {
+ return "Display " + displayID;
+ }
+
+ /**
+ * Returns the type of the graphics device.
+ * @see #TYPE_RASTER_SCREEN
+ * @see #TYPE_PRINTER
+ * @see #TYPE_IMAGE_BUFFER
+ */
+ @Override
+ public int getType() {
+ return TYPE_RASTER_SCREEN;
+ }
+
+ public double getXResolution() {
+ return xResolution;
+ }
+
+ public double getYResolution() {
+ return yResolution;
+ }
+
+ public Insets getScreenInsets() {
+ // the insets are queried synchronously and are not cached
+ // since there are no Quartz or Cocoa means to receive notifications
+ // on insets changes (e.g. when the Dock is resized):
+ // the existing CGDisplayReconfigurationCallBack is not notified
+ // as well as the NSApplicationDidChangeScreenParametersNotification
+ // is fired on the Dock location changes only
+ return nativeGetScreenInsets(displayID);
+ }
+
+ public int getScaleFactor() {
+ return scale;
+ }
+
+ public void invalidate(final int defaultDisplayID) {
+ displayID = defaultDisplayID;
+ }
+
+ @Override
+ public void displayChanged() {
+ xResolution = nativeGetXResolution(displayID);
+ yResolution = nativeGetYResolution(displayID);
+ initScaleFactor();
+ //TODO configs/fullscreenWindow/modes?
+ }
+
+ @Override
+ public void paletteChanged() {
+ // devices do not need to react to this event.
+ }
+
+ /**
+ * Enters full-screen mode, or returns to windowed mode.
+ */
+ @Override
+ public synchronized void setFullScreenWindow(Window w) {
+ Window old = getFullScreenWindow();
+ if (w == old) {
+ return;
+ }
+
+ boolean fsSupported = isFullScreenSupported();
+
+ if (fsSupported && old != null) {
+ // enter windowed mode and restore original display mode
+ exitFullScreenExclusive(old);
+ if (originalMode != null) {
+ setDisplayMode(originalMode);
+ originalMode = null;
+ }
+ }
+
+ super.setFullScreenWindow(w);
+
+ if (fsSupported && w != null) {
+ if (isDisplayChangeSupported()) {
+ originalMode = getDisplayMode();
+ }
+ // enter fullscreen mode
+ enterFullScreenExclusive(w);
+ }
+ }
+
+ /**
+ * Returns true if this GraphicsDevice supports
+ * full-screen exclusive mode and false otherwise.
+ */
+ @Override
+ public boolean isFullScreenSupported() {
+ return isFSExclusiveModeAllowed();
+ }
+
+ private static boolean isFSExclusiveModeAllowed() {
+ SecurityManager security = System.getSecurityManager();
+ if (security != null) {
+ if (fullScreenExclusivePermission == null) {
+ fullScreenExclusivePermission =
+ new AWTPermission("fullScreenExclusive");
+ }
+ try {
+ security.checkPermission(fullScreenExclusivePermission);
+ } catch (SecurityException e) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ private static void enterFullScreenExclusive(Window w) {
+ FullScreenCapable peer = AWTAccessor.getComponentAccessor().getPeer(w);
+ if (peer != null) {
+ peer.enterFullScreenMode();
+ }
+ }
+
+ private static void exitFullScreenExclusive(Window w) {
+ FullScreenCapable peer = AWTAccessor.getComponentAccessor().getPeer(w);
+ if (peer != null) {
+ peer.exitFullScreenMode();
+ }
+ }
+
+ @Override
+ public boolean isDisplayChangeSupported() {
+ return true;
+ }
+
+ @Override
+ public void setDisplayMode(final DisplayMode dm) {
+ if (dm == null) {
+ throw new IllegalArgumentException("Invalid display mode");
+ }
+ if (!Objects.equals(dm, getDisplayMode())) {
+ nativeSetDisplayMode(displayID, dm.getWidth(), dm.getHeight(),
+ dm.getBitDepth(), dm.getRefreshRate());
+ if (isFullScreenSupported() && getFullScreenWindow() != null) {
+ getFullScreenWindow().setSize(dm.getWidth(), dm.getHeight());
+ }
+ }
+ }
+
+ @Override
+ public DisplayMode getDisplayMode() {
+ return nativeGetDisplayMode(displayID);
+ }
+
+ @Override
+ public DisplayMode[] getDisplayModes() {
+ return nativeGetDisplayModes(displayID);
+ }
+
+ private void initScaleFactor() {
+ if (SunGraphicsEnvironment.isUIScaleEnabled()) {
+ double debugScale = SunGraphicsEnvironment.getDebugScale();
+ scale = (int) (debugScale >= 1
+ ? Math.round(debugScale)
+ : nativeGetScaleFactor(displayID));
+ } else {
+ scale = 1;
+ }
+ }
+
+ private static native double nativeGetScaleFactor(int displayID);
+
+ private static native void nativeSetDisplayMode(int displayID, int w, int h, int bpp, int refrate);
+
+ private static native DisplayMode nativeGetDisplayMode(int displayID);
+
+ private static native DisplayMode[] nativeGetDisplayModes(int displayID);
+
+ private static native double nativeGetXResolution(int displayID);
+
+ private static native double nativeGetYResolution(int displayID);
+
+ private static native Insets nativeGetScreenInsets(int displayID);
+}