blob: 1b17ef973d3e68d5a5c6444be178fa17683e46a3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package ov;
import com.sun.star.accessibility.AccessibleEventObject;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.accessibility.XAccessibleEventBroadcaster;
import com.sun.star.accessibility.XAccessibleEventListener;
import com.sun.star.lang.EventObject;
import com.sun.star.uno.UnoRuntime;
/** Base class for object views that regsiters as accessibility event
listener.
*/
abstract class ListeningObjectView
extends ObjectView
implements XAccessibleEventListener
{
public ListeningObjectView (ObjectViewContainer aContainer)
{
super (aContainer);
}
/** Add this object as event listener at the broadcasting
accessible object.
*/
public void SetObject (XAccessibleContext xContext)
{
super.SetObject (xContext);
XAccessibleEventBroadcaster xBroadcaster =
UnoRuntime.queryInterface(
XAccessibleEventBroadcaster.class, xContext);
if (xBroadcaster != null)
xBroadcaster.addEventListener (this);
}
/** Remove this object as event listener from the broadcasting
accessible object.
*/
public void Destroy ()
{
super.Destroy ();
XAccessibleEventBroadcaster xBroadcaster =
UnoRuntime.queryInterface(
XAccessibleEventBroadcaster.class, mxContext);
if (xBroadcaster != null)
xBroadcaster.removeEventListener (this);
}
/** Derived classes have to implement this method to handle incoming
events.
*/
abstract public void notifyEvent (AccessibleEventObject aEvent);
/** The disposing event is ignored per default. If a derived class is
interested it can overwrite this method.
*/
public void disposing (EventObject aEvent)
{
}
}
|
