8187443: Forest Consolidation: Move files to unified layout

Reviewed-by: darcy, ihse

src/java.desktop/macosx/classes/sun/awt/CGraphicsDevice.java

@@ -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);
+}