1076
1077 final void detachDispatchThread(EventDispatchThread edt) {
1078 /*
1079 * Minimize discard possibility for non-posted events
1080 */
1081 SunToolkit.flushPendingEvents(appContext);
1082 /*
1083 * This synchronized block is to secure that the event dispatch
1084 * thread won't die in the middle of posting a new event to the
1085 * associated event queue. It is important because we notify
1086 * that the event dispatch thread is busy after posting a new event
1087 * to its queue, so the EventQueue.dispatchThread reference must
1088 * be valid at that point.
1089 */
1090 pushPopLock.lock();
1091 try {
1092 if (edt == dispatchThread) {
1093 dispatchThread = null;
1094 }
1095 AWTAutoShutdown.getInstance().notifyThreadFree(edt);
1096 } finally {
1097 pushPopLock.unlock();
1098 }
1099 }
1100
1101 /*
1102 * Gets the <code>EventDispatchThread</code> for this
1103 * <code>EventQueue</code>.
1104 * @return the event dispatch thread associated with this event queue
1105 * or <code>null</code> if this event queue doesn't have a
1106 * working thread associated with it
1107 * @see java.awt.EventQueue#initDispatchThread
1108 * @see java.awt.EventQueue#detachDispatchThread
1109 */
1110 final EventDispatchThread getDispatchThread() {
1111 pushPopLock.lock();
1112 try {
1113 return dispatchThread;
1114 } finally {
1115 pushPopLock.unlock();
|
1076
1077 final void detachDispatchThread(EventDispatchThread edt) {
1078 /*
1079 * Minimize discard possibility for non-posted events
1080 */
1081 SunToolkit.flushPendingEvents(appContext);
1082 /*
1083 * This synchronized block is to secure that the event dispatch
1084 * thread won't die in the middle of posting a new event to the
1085 * associated event queue. It is important because we notify
1086 * that the event dispatch thread is busy after posting a new event
1087 * to its queue, so the EventQueue.dispatchThread reference must
1088 * be valid at that point.
1089 */
1090 pushPopLock.lock();
1091 try {
1092 if (edt == dispatchThread) {
1093 dispatchThread = null;
1094 }
1095 AWTAutoShutdown.getInstance().notifyThreadFree(edt);
1096 /*
1097 * Event was posted after EDT events pumping had stopped, so start
1098 * another EDT to handle this event
1099 */
1100 if (peekEvent() != null) {
1101 initDispatchThread();
1102 }
1103 } finally {
1104 pushPopLock.unlock();
1105 }
1106 }
1107
1108 /*
1109 * Gets the <code>EventDispatchThread</code> for this
1110 * <code>EventQueue</code>.
1111 * @return the event dispatch thread associated with this event queue
1112 * or <code>null</code> if this event queue doesn't have a
1113 * working thread associated with it
1114 * @see java.awt.EventQueue#initDispatchThread
1115 * @see java.awt.EventQueue#detachDispatchThread
1116 */
1117 final EventDispatchThread getDispatchThread() {
1118 pushPopLock.lock();
1119 try {
1120 return dispatchThread;
1121 } finally {
1122 pushPopLock.unlock();
|