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Java > Open Source Codes > org > eclipse > swt > browser > LocationListener


1 /*******************************************************************************
2  * Copyright (c) 2003, 2004 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.swt.browser;
12
13 import org.eclipse.swt.internal.SWTEventListener;
14
15 /**
16  * This listener interface may be implemented in order to receive
17  * a {@link LocationEvent} notification when a {@link Browser}
18  * navigates to a different URL.
19  *
20  * @see Browser#addLocationListener(LocationListener)
21  * @see Browser#removeLocationListener(LocationListener)
22  *
23  * @since 3.0
24  */
25 public interface LocationListener extends SWTEventListener {
26
27 /**
28  * This method is called when the current location is about to be changed.
29  * <p>
30  *
31  * <p>The following fields in the <code>LocationEvent</code> apply:
32  * <ul>
33  * <li>(in) location the location to be loaded
34  * <li>(in) widget the <code>Browser</code> whose location is changing
35  * <li>(in/out) doit can be set to <code>false</code> to prevent the location
36  * from being loaded
37  * </ul>
38  *
39  * @param event the <code>LocationEvent</code> that specifies the location
40  * to be loaded by a <code>Browser</code>
41  *
42  * @since 3.0
43  */
44 public void changing(LocationEvent event);
45
46 /**
47  * This method is called when the current location is changed.
48  * <p>
49  *
50  * <p>The following fields in the <code>LocationEvent</code> apply:
51  * <ul>
52  * <li>(in) location the current location
53  * <li>(in) top <code>true</code> if the location opens in the top frame or
54  * <code>false</code> otherwise
55  * <li>(in) widget the <code>Browser</code> whose location has changed
56  * </ul>
57  *
58  * @param event the <code>LocationEvent</code> that specifies the new
59  * location of a <code>Browser</code>
60  *
61  * @since 3.0
62  */
63 public void changed(LocationEvent event);
64
65 }
66
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