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


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 /**
19  * A widget that implements this interface sources the events defined by the
20  * {@link com.google.gwt.user.client.ui.PopupListener} interface.
21  */

22 public interface SourcesPopupEvents {
23
24   /**
25    * Adds a listener interface to receive popup events.
26    *
27    * @param listener the listener interface to add.
28    */

29   public void addPopupListener(PopupListener listener);
30
31   /**
32    * Removes a previously added popup listener.
33    *
34    * @param listener the listener interface to remove.
35    */

36   public void removePopupListener(PopupListener listener);
37 }
38
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