modules/javafx.graphics/src/main/java/com/sun/glass/ui/Timer.java

*** 1,7 ****
  /*
!  * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2010, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 46,55 ****
--- 46,57 ----
      private double period = UNSET_PERIOD;
  
      protected abstract long _start(Runnable runnable);
      protected abstract long _start(Runnable runnable, int period);
      protected abstract void _stop(long timer);
+     protected abstract void _pause(long timer);
+     protected abstract void _resume(long timer);
  
      /**
       * Constructs a new timer.
       *
       * If the application overrides the Timer.run(), it should call super.run()
*** 131,140 ****
--- 133,163 ----
              this.period = UNSET_PERIOD;
          }
      }
  
      /**
+      * Pauses the timer. See JDK-8189926.
+      * Currently implemented only for mac platform.
+      * Timer can be paused or resumed from two different threads.
+      */
+     public synchronized void pause() {
+         if (ptr != 0L) {
+             _pause(ptr);
+         }
+     }
+ 
+     /**
+      * Resumes the timer. See JDK-8189926
+      */
+     public synchronized void resume() {
+         if (ptr != 0L) {
+             _resume(ptr);
+         }
+     }
+ 
+ 
+     /**
       * Returns true if the timer is currently running
       * (convenience API: might not need it)
       */
      public synchronized boolean isRunning() {
          return (this.period != UNSET_PERIOD);