1 
2 import com.sun.star.uno.UnoRuntime;
3 import com.sun.star.accessibility.XAccessibleContext;
4 import com.sun.star.accessibility.XAccessibleComponent;
5 
6 
7 class AccessibleComponentHandler
8     extends NodeHandler
9 {
10 
11     public NodeHandler createHandler (XAccessibleContext xContext)
12     {
13         XAccessibleComponent xComponent =
14             (XAccessibleComponent) UnoRuntime.queryInterface (
15                 XAccessibleComponent.class, xContext);
16         if (xComponent != null)
17             return new AccessibleComponentHandler (xComponent);
18         else
19             return null;
20 
21     }
22 
23     public AccessibleComponentHandler ()
24     {
25     }
26 
27     public AccessibleComponentHandler (XAccessibleComponent xComponent)
28     {
29         if (xComponent != null)
30             maChildList.setSize (6);
31     }
32 
33     public AccessibleTreeNode createChild (AccessibleTreeNode aParent, int nIndex)
34     {
35         AccessibleTreeNode aChild = null;
36         if (aParent instanceof AccTreeNode)
37         {
38             XAccessibleComponent xComponent =
39                 ((AccTreeNode)aParent).getComponent();
40 
41             if (xComponent != null)
42             {
43                 int nColor;
44                 switch (nIndex)
45                 {
46                     case 0:
47                         com.sun.star.awt.Point aLocation = xComponent.getLocation();
48                         aChild = new StringNode (
49                             "Location: " + aLocation.X + ", " + aLocation.Y,
50                             aParent);
51                         break;
52                     case 1:
53                         com.sun.star.awt.Point aScreenLocation = xComponent.getLocationOnScreen();
54                         aChild = new StringNode (
55                             "Location on Screen: " + aScreenLocation.X + ", " + aScreenLocation.Y,
56                             aParent);
57                         break;
58                     case 2:
59                         com.sun.star.awt.Size aSize = xComponent.getSize();
60                         aChild = new StringNode (
61                             "Size: "+ aSize.Width + ", " + aSize.Height,
62                             aParent);
63                         break;
64                     case 3:
65                         com.sun.star.awt.Rectangle aBBox = xComponent.getBounds();
66                         aChild = new StringNode (
67                             "Bounding Box: "+ aBBox.X + ", " + aBBox.Y + ","
68                             + aBBox.Width + ", " + aBBox.Height,
69                             aParent);
70                         break;
71                     case 4:
72                         nColor = xComponent.getForeground();
73                         aChild = new StringNode ("Foreground color: R"
74                             +       (nColor>>16&0xff)
75                             + "G" + (nColor>>8&0xff)
76                             + "B" + (nColor>>0&0xff)
77                             + "A" + (nColor>>24&0xff),
78                             aParent);
79                         break;
80                     case 5:
81                         nColor = xComponent.getBackground();
82                         aChild = new StringNode ("Background color: R"
83                             +       (nColor>>16&0xff)
84                             + "G" + (nColor>>8&0xff)
85                             + "B" + (nColor>>0&0xff)
86                             + "A" + (nColor>>24&0xff),
87                             aParent);
88                         break;
89                 }
90             }
91         }
92         return aChild;
93     }
94 
95     public void update (AccessibleTreeNode aNode)
96     {
97         maChildList.clear();
98         if (aNode instanceof AccTreeNode)
99             if (((AccTreeNode)aNode).getComponent() != null)
100                 maChildList.setSize (4);
101     }
102 }
103