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8  * "License"); you may not use this file except in compliance
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
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20  *************************************************************/
21 
22 
23 
24 package org.openoffice.java.accessibility;
25 
26 import javax.accessibility.AccessibleState;
27 import javax.accessibility.AccessibleStateSet;
28 import javax.swing.SwingConstants;
29 
30 import com.sun.star.uno.*;
31 import com.sun.star.accessibility.*;
32 
33 /**
34  */
35 public class ScrollBar extends Component implements SwingConstants, javax.accessibility.Accessible {
36 
ScrollBar(XAccessible xAccessible, XAccessibleContext xAccessibleContext)37     public ScrollBar(XAccessible xAccessible, XAccessibleContext xAccessibleContext) {
38         super(xAccessible, xAccessibleContext);
39     }
40 
41     /** Creates the AccessibleContext associated with this object */
createAccessibleContext()42     public javax.accessibility.AccessibleContext createAccessibleContext() {
43         return new AccessibleScrollBar();
44     }
45 
46     protected class AccessibleScrollBar extends AccessibleUNOComponent implements
47         javax.accessibility.AccessibleAction {
48 
49         protected XAccessibleAction unoAccessibleAction;
50         protected int actionCount = 0;
51 
52         /**
53         * Though the class is abstract, this should be called by all sub-classes
54         */
AccessibleScrollBar()55         protected AccessibleScrollBar() {
56             super();
57             unoAccessibleAction = (XAccessibleAction) UnoRuntime.queryInterface(
58                 XAccessibleAction.class, unoAccessibleContext);
59             if (unoAccessibleAction != null) {
60                 actionCount = unoAccessibleAction.getAccessibleActionCount();
61             }
62         }
63 
64         /*
65         * AccessibleContext
66         */
67 
68         /** Gets the role of this object */
getAccessibleRole()69         public javax.accessibility.AccessibleRole getAccessibleRole() {
70             return javax.accessibility.AccessibleRole.SCROLL_BAR;
71         }
72 
73         /** Gets the AccessibleValue associated with this object that has a graphical representation */
getAccessibleValue()74         public javax.accessibility.AccessibleValue getAccessibleValue() {
75             try {
76                 XAccessibleValue unoAccessibleValue = (XAccessibleValue)
77                     UnoRuntime.queryInterface(XAccessibleValue.class, unoAccessibleContext);
78                 return (unoAccessibleValue != null) ?
79                     new AccessibleValueImpl(unoAccessibleValue) : null;
80             } catch (com.sun.star.uno.RuntimeException e) {
81                 return null;
82             }
83         }
84 
85         /** Gets the AccessibleAction associated with this object that supports one or more actions */
getAccessibleAction()86         public javax.accessibility.AccessibleAction getAccessibleAction() {
87             return this;
88         }
89 
90         /*
91         * AccessibleAction
92         */
93 
94         /** Performs the specified Action on the object */
doAccessibleAction(int param)95         public boolean doAccessibleAction(int param) {
96             if (param < actionCount) {
97                 try {
98                     return unoAccessibleAction.doAccessibleAction(param);
99                 } catch(com.sun.star.lang.IndexOutOfBoundsException e) {
100                 }
101             }
102             return false;
103         }
104 
105         /** Returns a description of the specified action of the object */
getAccessibleActionDescription(int param)106         public java.lang.String getAccessibleActionDescription(int param) {
107             if(param < actionCount) {
108                 try {
109                     return unoAccessibleAction.getAccessibleActionDescription(param);
110                 } catch(com.sun.star.lang.IndexOutOfBoundsException e) {
111                 }
112             }
113             return null;
114         }
115 
116         /** Returns the number of accessible actions available in this object */
getAccessibleActionCount()117         public int getAccessibleActionCount() {
118             return actionCount;
119         }
120     }
121 }
122 
123