23 * questions.
24 */
25
26 package sun.awt;
27
28 import java.awt.*;
29 import java.util.*;
30
31 import sun.java2d.*;
32
33 /**
34 * This is an implementation of a GraphicsEnvironment object for the default
35 * local GraphicsEnvironment used by the Java Runtime Environment for Mac OS X
36 * GUI environments.
37 *
38 * @see GraphicsDevice
39 * @see GraphicsConfiguration
40 */
41 public final class CGraphicsEnvironment extends SunGraphicsEnvironment {
42
43 // Global initialization of the Cocoa runtime.
44 private static native void initCocoa();
45
46 /**
47 * Fetch an array of all valid CoreGraphics display identifiers.
48 */
49 private static native int[] getDisplayIDs();
50
51 /**
52 * Fetch the CoreGraphics display ID for the 'main' display.
53 */
54 private static native int getMainDisplayID();
55
56 /**
57 * Noop function that just acts as an entry point for someone to force a
58 * static initialization of this class.
59 */
60 public static void init() { }
61
62 static {
63 java.security.AccessController.doPrivileged(new java.security.PrivilegedAction<Void>() {
64 public Void run() {
65 System.loadLibrary("awt");
66 return null;
67 }
68 });
69
70 java.security.AccessController.doPrivileged(new java.security.PrivilegedAction<Void>() {
71 public Void run() {
72 if (isHeadless()) return null;
73 initCocoa();
74 return null;
75 }
76 });
77
78 // Install the correct surface manager factory.
79 SurfaceManagerFactory.setInstance(new MacosxSurfaceManagerFactory());
80 }
81
82 /**
83 * Register the instance with CGDisplayRegisterReconfigurationCallback().
84 * The registration uses a weak global reference -- if our instance is
85 * garbage collected, the reference will be dropped.
86 *
87 * @return Return the registration context (a pointer).
88 */
89 private native long registerDisplayReconfiguration();
90
91 /**
92 * Remove the instance's registration with CGDisplayRemoveReconfigurationCallback()
93 */
94 private native void deregisterDisplayReconfiguration(long context);
95
96 /** Available CoreGraphics displays. */
97 private final Map<Integer, CGraphicsDevice> devices = new HashMap<>(5);
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23 * questions.
24 */
25
26 package sun.awt;
27
28 import java.awt.*;
29 import java.util.*;
30
31 import sun.java2d.*;
32
33 /**
34 * This is an implementation of a GraphicsEnvironment object for the default
35 * local GraphicsEnvironment used by the Java Runtime Environment for Mac OS X
36 * GUI environments.
37 *
38 * @see GraphicsDevice
39 * @see GraphicsConfiguration
40 */
41 public final class CGraphicsEnvironment extends SunGraphicsEnvironment {
42
43 /**
44 * Fetch an array of all valid CoreGraphics display identifiers.
45 */
46 private static native int[] getDisplayIDs();
47
48 /**
49 * Fetch the CoreGraphics display ID for the 'main' display.
50 */
51 private static native int getMainDisplayID();
52
53 /**
54 * Noop function that just acts as an entry point for someone to force a
55 * static initialization of this class.
56 */
57 public static void init() { }
58
59 static {
60 // Load libraries and initialize the Toolkit.
61 Toolkit.getDefaultToolkit();
62 // Install the correct surface manager factory.
63 SurfaceManagerFactory.setInstance(new MacosxSurfaceManagerFactory());
64 }
65
66 /**
67 * Register the instance with CGDisplayRegisterReconfigurationCallback().
68 * The registration uses a weak global reference -- if our instance is
69 * garbage collected, the reference will be dropped.
70 *
71 * @return Return the registration context (a pointer).
72 */
73 private native long registerDisplayReconfiguration();
74
75 /**
76 * Remove the instance's registration with CGDisplayRemoveReconfigurationCallback()
77 */
78 private native void deregisterDisplayReconfiguration(long context);
79
80 /** Available CoreGraphics displays. */
81 private final Map<Integer, CGraphicsDevice> devices = new HashMap<>(5);
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