View Javadoc
1   /*
2    * Copyright 2011 Daniel Kurka
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.googlecode.mgwt.ui.client.widget.touch;
17  
18  import com.google.gwt.event.shared.HandlerRegistration;
19  import com.google.gwt.user.client.ui.Widget;
20  import com.googlecode.mgwt.dom.client.event.touch.TouchCancelHandler;
21  import com.googlecode.mgwt.dom.client.event.touch.TouchEndHandler;
22  import com.googlecode.mgwt.dom.client.event.touch.TouchMoveHandler;
23  import com.googlecode.mgwt.dom.client.event.touch.TouchStartHandler;
24  
25  /**
26   * The touch widget interface is used to abstract implementation details for
27   * adding touch handlers on touch devices / mouse devices
28   *
29   * @author Daniel Kurka
30   * @version $Id: $
31   */
32  public interface TouchWidgetImpl {
33  	/**
34  	 * Add a touch start handler to a widget
35  	 *
36  	 * @param w the widget that the handler should be added to
37  	 * @param handler the handler to add
38  	 * @return the handlerregistration
39  	 */
40  	public HandlerRegistration addTouchStartHandler(Widget w, TouchStartHandler handler);
41  
42  	/**
43  	 * Add a touch move handler to a widget
44  	 *
45  	 * @param w the widget that the handler should be added to
46  	 * @param handler the handler to add
47  	 * @return the handlerregistration
48  	 */
49  	public HandlerRegistration addTouchMoveHandler(Widget w, TouchMoveHandler handler);
50  
51  	/**
52  	 * Add a touch cancel handler to a widget
53  	 *
54  	 * @param w the widget that the handler should be added to
55  	 * @param handler the handler to add
56  	 * @return the handlerregistration
57  	 */
58  	public HandlerRegistration addTouchCancelHandler(Widget w, TouchCancelHandler handler);
59  
60  	/**
61  	 * Add a touch end handler to a widget
62  	 *
63  	 * @param w the widget that the handler should be added to
64  	 * @param handler the handler to add
65  	 * @return the handlerregistration
66  	 */
67  	public HandlerRegistration addTouchEndHandler(Widget w, TouchEndHandler handler);
68  
69  }