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src/java.desktop/unix/classes/sun/awt/UNIXToolkit.java

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  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package sun.awt;
  26 
  27 import java.awt.RenderingHints;
  28 import static java.awt.RenderingHints.*;
  29 import java.awt.color.ColorSpace;
  30 import java.awt.image.*;
  31 import java.security.AccessController;
  32 import sun.security.action.GetIntegerAction;
  33 import com.sun.java.swing.plaf.gtk.GTKConstants.TextDirection;
  34 import sun.awt.X11.XToolkit;
  35 import sun.java2d.opengl.OGLRenderQueue;
  36 
  37 public abstract class UNIXToolkit extends SunToolkit
  38 {
  39     /** All calls into GTK should be synchronized on this lock */
  40     public static final Object GTK_LOCK = new Object();
  41 
  42     private static final int[] BAND_OFFSETS = { 0, 1, 2 };
  43     private static final int[] BAND_OFFSETS_ALPHA = { 0, 1, 2, 3 };
  44     private static final int DEFAULT_DATATRANSFER_TIMEOUT = 10000;
  45 
  46     private Boolean nativeGTKAvailable;
  47     private Boolean nativeGTKLoaded;
  48     private BufferedImage tmpImage = null;
  49 
  50     public static int getDatatransferTimeout() {
  51         Integer dt = AccessController.doPrivileged(
  52                 new GetIntegerAction("sun.awt.datatransfer.timeout"));
  53         if (dt == null || dt <= 0) {
  54             return DEFAULT_DATATRANSFER_TIMEOUT;


  81 
  82             } else {
  83                 boolean success = check_gtk();
  84                 nativeGTKAvailable = success;
  85                 return success;
  86             }
  87         }
  88     }
  89 
  90     /**
  91      * Loads the GTK libraries, if necessary.  The first time this method
  92      * is called, it will attempt to load the native GTK library.  If
  93      * successful, it leaves the library open and returns true; otherwise,
  94      * the library is left closed and returns false.  On future calls to
  95      * this method, the status of the first attempt is returned (a simple
  96      * lightweight boolean check, no native calls required).
  97      */
  98     public boolean loadGTK() {
  99         synchronized (GTK_LOCK) {
 100             if (nativeGTKLoaded == null) {
 101                 XToolkit.awtLock();
 102                 try {
 103                     nativeGTKLoaded = load_gtk();
 104                 } finally {
 105                     XToolkit.awtUnlock();
 106                 }
 107             }
 108         }
 109         return nativeGTKLoaded;
 110     }
 111 
 112     /**
 113      * Overridden to handle GTK icon loading
 114      */
 115     protected Object lazilyLoadDesktopProperty(String name) {
 116         if (name.startsWith("gtk.icon.")) {
 117             return lazilyLoadGTKIcon(name);
 118         }
 119         return super.lazilyLoadDesktopProperty(name);
 120     }
 121 
 122     /**
 123      * Load a native Gtk stock icon.
 124      *
 125      * @param longname a desktop property name. This contains icon name, size
 126      *        and orientation, e.g. <code>"gtk.icon.gtk-add.4.rtl"</code>




  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package sun.awt;
  26 
  27 import java.awt.RenderingHints;
  28 import static java.awt.RenderingHints.*;
  29 import java.awt.color.ColorSpace;
  30 import java.awt.image.*;
  31 import java.security.AccessController;
  32 import sun.security.action.GetIntegerAction;
  33 import com.sun.java.swing.plaf.gtk.GTKConstants.TextDirection;

  34 import sun.java2d.opengl.OGLRenderQueue;
  35 
  36 public abstract class UNIXToolkit extends SunToolkit
  37 {
  38     /** All calls into GTK should be synchronized on this lock */
  39     public static final Object GTK_LOCK = new Object();
  40 
  41     private static final int[] BAND_OFFSETS = { 0, 1, 2 };
  42     private static final int[] BAND_OFFSETS_ALPHA = { 0, 1, 2, 3 };
  43     private static final int DEFAULT_DATATRANSFER_TIMEOUT = 10000;
  44 
  45     private Boolean nativeGTKAvailable;
  46     private Boolean nativeGTKLoaded;
  47     private BufferedImage tmpImage = null;
  48 
  49     public static int getDatatransferTimeout() {
  50         Integer dt = AccessController.doPrivileged(
  51                 new GetIntegerAction("sun.awt.datatransfer.timeout"));
  52         if (dt == null || dt <= 0) {
  53             return DEFAULT_DATATRANSFER_TIMEOUT;


  80 
  81             } else {
  82                 boolean success = check_gtk();
  83                 nativeGTKAvailable = success;
  84                 return success;
  85             }
  86         }
  87     }
  88 
  89     /**
  90      * Loads the GTK libraries, if necessary.  The first time this method
  91      * is called, it will attempt to load the native GTK library.  If
  92      * successful, it leaves the library open and returns true; otherwise,
  93      * the library is left closed and returns false.  On future calls to
  94      * this method, the status of the first attempt is returned (a simple
  95      * lightweight boolean check, no native calls required).
  96      */
  97     public boolean loadGTK() {
  98         synchronized (GTK_LOCK) {
  99             if (nativeGTKLoaded == null) {


 100                 nativeGTKLoaded = load_gtk();



 101             }
 102         }
 103         return nativeGTKLoaded;
 104     }
 105 
 106     /**
 107      * Overridden to handle GTK icon loading
 108      */
 109     protected Object lazilyLoadDesktopProperty(String name) {
 110         if (name.startsWith("gtk.icon.")) {
 111             return lazilyLoadGTKIcon(name);
 112         }
 113         return super.lazilyLoadDesktopProperty(name);
 114     }
 115 
 116     /**
 117      * Load a native Gtk stock icon.
 118      *
 119      * @param longname a desktop property name. This contains icon name, size
 120      *        and orientation, e.g. <code>"gtk.icon.gtk-add.4.rtl"</code>


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