1 /*
2 * Copyright 2012 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.dom.client.recognizer.swipe;
17
18 import com.google.gwt.event.shared.GwtEvent;
19 import com.googlecode.mgwt.dom.client.event.touch.Touch;
20
21 /**
22 * A {@link SwipeStartEvent} is fired when the user moves his finger over a
23 * certain amount on the display
24 *
25 * @author Daniel Kurka
26 *
27 */
28 public class SwipeStartEvent extends SwipeEvent<SwipeStartHandler> {
29
30 private final static GwtEvent.Type<SwipeStartHandler> TYPE = new Type<SwipeStartHandler>();
31 private final int distance;
32 private final Touch touch;
33
34 public static GwtEvent.Type<SwipeStartHandler> getType() {
35 return TYPE;
36 }
37
38 /**
39 * Construct a {@link SwipeStartEvent}
40 *
41 * @param distance the distance the finger already moved
42 * @param j
43 * @param i
44 * @param direction the direction of the finger
45 */
46 public SwipeStartEvent(Touch touch, int distance, SwipeEvent.DIRECTION direction) {
47 super(direction);
48 this.touch = touch;
49 this.distance = distance;
50
51 }
52
53 /*
54 * (non-Javadoc)
55 * @see com.google.gwt.event.shared.GwtEvent#getAssociatedType()
56 */
57 @Override
58 public com.google.gwt.event.shared.GwtEvent.Type<SwipeStartHandler> getAssociatedType() {
59 return TYPE;
60 }
61
62 /**
63 * The distance the finger moved before the event occured
64 *
65 * @return the distance in px
66 */
67 public int getDistance() {
68 return distance;
69 }
70
71 /*
72 * (non-Javadoc)
73 * @see com.google.gwt.event.shared.GwtEvent#dispatch(com.google.gwt.event.shared.EventHandler)
74 */
75 @Override
76 protected void dispatch(SwipeStartHandler handler) {
77 handler.onSwipeStart(this);
78
79 }
80
81 public Touch getTouch() {
82 return touch;
83 }
84
85 }