6837293: Reapply fix for 6588003 to JDK7

Reviewed-by: alexp
This commit is contained in:
Peter Zhelezniakov 2009-05-05 12:07:37 +04:00
parent c3de9bf468
commit d663bac931

View file

@ -25,6 +25,7 @@
package javax.swing.text; package javax.swing.text;
import java.util.Vector; import java.util.Vector;
import sun.awt.AppContext;
/** /**
* A queue of text layout tasks. * A queue of text layout tasks.
@ -35,10 +36,10 @@ import java.util.Vector;
*/ */
public class LayoutQueue { public class LayoutQueue {
Vector<Runnable> tasks; private static final Object DEFAULT_QUEUE = new Object();
Thread worker;
static LayoutQueue defaultQueue; private Vector<Runnable> tasks;
private Thread worker;
/** /**
* Construct a layout queue. * Construct a layout queue.
@ -51,10 +52,15 @@ public class LayoutQueue {
* Fetch the default layout queue. * Fetch the default layout queue.
*/ */
public static LayoutQueue getDefaultQueue() { public static LayoutQueue getDefaultQueue() {
if (defaultQueue == null) { AppContext ac = AppContext.getAppContext();
defaultQueue = new LayoutQueue(); synchronized (DEFAULT_QUEUE) {
LayoutQueue defaultQueue = (LayoutQueue) ac.get(DEFAULT_QUEUE);
if (defaultQueue == null) {
defaultQueue = new LayoutQueue();
ac.put(DEFAULT_QUEUE, defaultQueue);
}
return defaultQueue;
} }
return defaultQueue;
} }
/** /**
@ -63,7 +69,9 @@ public class LayoutQueue {
* @param q the new queue. * @param q the new queue.
*/ */
public static void setDefaultQueue(LayoutQueue q) { public static void setDefaultQueue(LayoutQueue q) {
defaultQueue = q; synchronized (DEFAULT_QUEUE) {
AppContext.getAppContext().put(DEFAULT_QUEUE, q);
}
} }
/** /**