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Java > Open Source Codes > com > google > gwt > user > client > ui > ScrollListener


1 /*
2  * Copyright 2006 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 package com.google.gwt.user.client.ui;
17
18 import java.util.EventListener JavaDoc;
19
20 /**
21  * Event listener interface for scroll events.
22  */
23 public interface ScrollListener extends EventListener JavaDoc {
24
25   /**
26    * Fired when the sender is scrolled.
27    *
28    * @param widget the widget being scrolled.
29    * @param scrollLeft the left scroll position.
30    * @param scrollTop the top scroll position.
31    */
32   void onScroll(Widget widget, int scrollLeft, int scrollTop);
33 }
34
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