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23 
24 /*
25  test
26  @bug 4962534 7104594
27  @summary JFrame dances very badly
28  @author dav@sparc.spb.su area=
29  @run applet bug4962534.html
30  */
31 import java.applet.Applet;
32 import java.awt.*;
33 import java.awt.event.*;
34 import java.util.Random;
35 import javax.swing.*;
36 
37 public class bug4962534 extends Applet {
38 
39     Robot robot;
40     volatile Point framePosition;
41     volatile Point newFrameLocation;
42     JFrame frame;
43     Rectangle gcBounds;
44     Component titleComponent;
45     JLayeredPane lPane;
46     volatile boolean titleFound = false;
47     public static Object LOCK = new Object();
48 
49     @Override
init()50     public void init() {
51         try {
52             SwingUtilities.invokeAndWait(new Runnable() {
53                 @Override
54                 public void run() {
55                     createAndShowGUI();
56                 }
57             });
58         } catch (Exception ex) {
59             throw new RuntimeException("Init failed. " + ex.getMessage());
60         }
61     }//End  init()
62 
63     @Override
start()64     public void start() {
65         validate();
66 
67         try {
68             setJLayeredPaneEDT();
69             setTitleComponentEDT();
70         } catch (Exception ex) {
71             ex.printStackTrace();
72             throw new RuntimeException("Test failed. " + ex.getMessage());
73         }
74 
75         if (!titleFound) {
76             throw new RuntimeException("Test Failed. Unable to determine title's size.");
77         }
78 
79         Random r = new Random();
80 
81         for (int iteration = 0; iteration < 10; iteration++) {
82             try {
83                 setFramePosEDT();
84             } catch (Exception ex) {
85                 ex.printStackTrace();
86                 throw new RuntimeException("Test failed.");
87             }
88             try {
89                 robot = new Robot();
90                 robot.setAutoDelay(70);
91 
92                 robot.waitForIdle();
93 
94                 robot.mouseMove(framePosition.x + getJFrameWidthEDT() / 2,
95                         framePosition.y + titleComponent.getHeight() / 2);
96                 robot.mousePress(InputEvent.BUTTON1_MASK);
97 
98                 robot.waitForIdle();
99 
100                 gcBounds =
101                         GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices()[0].getConfigurations()[0].getBounds();
102 
103                 robot.mouseMove(framePosition.x + getJFrameWidthEDT() / 2,
104                         framePosition.y + titleComponent.getHeight() / 2);
105 
106                 robot.waitForIdle();
107 
108                 int multier = gcBounds.height / 2 - 10; //we will not go out the borders
109                 for (int i = 0; i < 10; i++) {
110                     robot.mouseMove(gcBounds.width / 2 - (int) (r.nextDouble() * multier), gcBounds.height / 2 - (int) (r.nextDouble() * multier));
111                 }
112                 robot.mouseRelease(InputEvent.BUTTON1_MASK);
113 
114                 robot.waitForIdle();
115 
116             } catch (AWTException e) {
117                 throw new RuntimeException("Test Failed. AWTException thrown." + e.getMessage());
118             } catch (Exception e) {
119                 e.printStackTrace();
120                 throw new RuntimeException("Test Failed.");
121             }
122             System.out.println("Mouse  lies in " + MouseInfo.getPointerInfo().getLocation());
123             boolean frameIsOutOfScreen = false;
124             try {
125                 setNewFrameLocationEDT();
126                 System.out.println("Now Frame lies in " + newFrameLocation);
127                 frameIsOutOfScreen = checkFrameIsOutOfScreenEDT();
128             } catch (Exception ex) {
129                 ex.printStackTrace();
130                 throw new RuntimeException("Test Failed.");
131             }
132 
133             if (frameIsOutOfScreen) {
134                 throw new RuntimeException("Test failed. JFrame is out of screen.");
135             }
136 
137         } //for iteration
138         System.out.println("Test passed.");
139     }// start()
140 
createAndShowGUI()141     private void createAndShowGUI() {
142         try {
143             UIManager.setLookAndFeel(
144                     "javax.swing.plaf.metal.MetalLookAndFeel");
145         } catch (Exception ex) {
146             throw new RuntimeException(ex.getMessage());
147         }
148         JFrame.setDefaultLookAndFeelDecorated(true);
149         frame = new JFrame("JFrame Dance Test");
150         frame.pack();
151         frame.setSize(450, 260);
152         frame.setVisible(true);
153     }
154 
setJLayeredPaneEDT()155     private void setJLayeredPaneEDT() throws Exception {
156 
157         SwingUtilities.invokeAndWait(new Runnable() {
158             @Override
159             public void run() {
160                 lPane = frame.getLayeredPane();
161                 System.out.println("JFrame's LayeredPane " + lPane);
162             }
163         });
164     }
165 
setTitleComponentEDT()166     private void setTitleComponentEDT() throws Exception {
167 
168         SwingUtilities.invokeAndWait(new Runnable() {
169             @Override
170             public void run() {
171                 for (int j = 0; j < lPane.getComponentsInLayer(JLayeredPane.FRAME_CONTENT_LAYER.intValue()).length; j++) {
172                     titleComponent = lPane.getComponentsInLayer(JLayeredPane.FRAME_CONTENT_LAYER.intValue())[j];
173                     if (titleComponent.getClass().getName().equals("javax.swing.plaf.metal.MetalTitlePane")) {
174                         titleFound = true;
175                         break;
176                     }
177                 }
178             }
179         });
180     }
181 
setFramePosEDT()182     private void setFramePosEDT() throws Exception {
183 
184         SwingUtilities.invokeAndWait(new Runnable() {
185             @Override
186             public void run() {
187                 framePosition = frame.getLocationOnScreen();
188             }
189         });
190     }
191 
checkFrameIsOutOfScreenEDT()192     private boolean checkFrameIsOutOfScreenEDT() throws Exception {
193 
194         final boolean[] result = new boolean[1];
195 
196         SwingUtilities.invokeAndWait(new Runnable() {
197             @Override
198             public void run() {
199                 if (newFrameLocation.x > gcBounds.width || newFrameLocation.x < 0
200                     || newFrameLocation.y > gcBounds.height || newFrameLocation.y
201                     < 0) {
202                 result[0] = true;
203             }
204             }
205         });
206         return result[0];
207     }
208 
setNewFrameLocationEDT()209     private void setNewFrameLocationEDT() throws Exception {
210 
211         SwingUtilities.invokeAndWait(new Runnable() {
212             @Override
213             public void run() {
214                 newFrameLocation = new Point(frame.getLocationOnScreen().x
215                         + frame.getWidth() / 2, frame.getLocationOnScreen().y + titleComponent.getHeight() / 2);
216             }
217         });
218     }
219 
getJFrameWidthEDT()220     private int getJFrameWidthEDT() throws Exception {
221 
222         final int[] result = new int[1];
223 
224         SwingUtilities.invokeAndWait(new Runnable() {
225             @Override
226             public void run() {
227                 result[0] = frame.getWidth();
228             }
229         });
230 
231         return result[0];
232     }
233 }// class
234