src/share/classes/java/awt/MediaTracker.java

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   1 /*
   2  * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  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


 627      *                          interrupted this thread.
 628      */
 629     public void waitForID(int id) throws InterruptedException {
 630         waitForID(id, 0);
 631     }
 632 
 633     /**
 634      * Starts loading all images tracked by this media tracker with the
 635      * specified identifier. This method waits until all the images with
 636      * the specified identifier have finished loading, or until the
 637      * length of time specified in milliseconds by the <code>ms</code>
 638      * argument has passed.
 639      * <p>
 640      * If there is an error while loading or scaling an image, then that
 641      * image is considered to have finished loading. Use the
 642      * <code>statusID</code>, <code>isErrorID</code>, and
 643      * <code>isErrorAny</code> methods to check for errors.
 644      * @param         id   the identifier of the images to check
 645      * @param         ms   the length of time, in milliseconds, to wait
 646      *                           for the loading to complete


 647      * @see           java.awt.MediaTracker#waitForAll
 648      * @see           java.awt.MediaTracker#waitForID(int)
 649      * @see           java.awt.MediaTracker#statusID
 650      * @see           java.awt.MediaTracker#isErrorAny()
 651      * @see           java.awt.MediaTracker#isErrorID(int)
 652      * @exception     InterruptedException  if any thread has
 653      *                          interrupted this thread.
 654      */
 655     public synchronized boolean waitForID(int id, long ms)
 656         throws InterruptedException
 657     {
 658         long end = System.currentTimeMillis() + ms;
 659         boolean first = true;
 660         while (true) {
 661             int status = statusID(id, first, first);
 662             if ((status & LOADING) == 0) {
 663                 return (status == COMPLETE);
 664             }
 665             first = false;
 666             long timeout;


   1 /*
   2  * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  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


 627      *                          interrupted this thread.
 628      */
 629     public void waitForID(int id) throws InterruptedException {
 630         waitForID(id, 0);
 631     }
 632 
 633     /**
 634      * Starts loading all images tracked by this media tracker with the
 635      * specified identifier. This method waits until all the images with
 636      * the specified identifier have finished loading, or until the
 637      * length of time specified in milliseconds by the <code>ms</code>
 638      * argument has passed.
 639      * <p>
 640      * If there is an error while loading or scaling an image, then that
 641      * image is considered to have finished loading. Use the
 642      * <code>statusID</code>, <code>isErrorID</code>, and
 643      * <code>isErrorAny</code> methods to check for errors.
 644      * @param  id the identifier of the images to check
 645      * @param  ms the length of time, in milliseconds, to wait
 646      *         for the loading to complete
 647      * @return {@code true} if the loading completed in time;
 648      *         otherwise {@code false}
 649      * @see           java.awt.MediaTracker#waitForAll
 650      * @see           java.awt.MediaTracker#waitForID(int)
 651      * @see           java.awt.MediaTracker#statusID
 652      * @see           java.awt.MediaTracker#isErrorAny()
 653      * @see           java.awt.MediaTracker#isErrorID(int)
 654      * @exception     InterruptedException  if any thread has
 655      *                          interrupted this thread.
 656      */
 657     public synchronized boolean waitForID(int id, long ms)
 658         throws InterruptedException
 659     {
 660         long end = System.currentTimeMillis() + ms;
 661         boolean first = true;
 662         while (true) {
 663             int status = statusID(id, first, first);
 664             if ((status & LOADING) == 0) {
 665                 return (status == COMPLETE);
 666             }
 667             first = false;
 668             long timeout;