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+2007-04-04 Roman Kennke <roman@kennke.org>
+
+ * java/awt/Frame.java
+ (weakFrames): Make private.
+ (weakFramesQueue): New field. A reference queue to collect
+ GCed references.
+ (getFrames): Only do one iterations to avoid collecting null
+ references.
+ (hasDisplayableFrames): New helper method. Checks if there
+ are any displayable frames. This is used by the event queue
+ shutdown check.
+ (noteFrame): Clean up GCed frames in the list.
+ * java/awt/EventQueue.java
+ (isShutdown): Move frame checking code into Frame.
+
2007-04-03 Roman Kennke <roman@kennke.org>
* java/lang/System.java