1 /*
2 * Copyright 2010 Daniel Kurka
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5 * in compliance with the License. You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software distributed under the License
10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11 * or implied. See the License for the specific language governing permissions and limitations under
12 * the License.
13 */
14 package com.googlecode.mgwt.dom.client.event.mouse;
15
16 import com.google.gwt.core.client.JsArray;
17 import com.google.gwt.dom.client.NativeEvent;
18 import com.google.gwt.event.dom.client.MouseDownEvent;
19 import com.googlecode.mgwt.collection.client.JsLightArray;
20 import com.googlecode.mgwt.collection.shared.LightArray;
21 import com.googlecode.mgwt.dom.client.event.touch.JsTouch;
22 import com.googlecode.mgwt.dom.client.event.touch.Touch;
23 import com.googlecode.mgwt.dom.client.event.touch.TouchStartEvent;
24
25 /**
26 * A simulated TouchMoveEvent is really a mouse down event. This is used mostly in dev mode and for
27 * blackberry devices to handle them equally to real touch devices
28 *
29 * @author Daniel Kurka
30 * @version $Id: $
31 */
32 public class SimulatedTouchStartEvent extends TouchStartEvent {
33 private int x;
34 private int y;
35 private final MouseDownEvent event;
36 private boolean multiTouch;
37
38 /**
39 * <p>
40 * Constructor for SimulatedTouchStartEvent.
41 * </p>
42 *
43 * @param event a {@link com.google.gwt.event.dom.client.MouseDownEvent} object.
44 * @param multiTouch
45 */
46 public SimulatedTouchStartEvent(MouseDownEvent event, boolean multiTouch) {
47 this.event = event;
48 x = event.getClientX();
49 y = event.getClientY();
50 this.multiTouch = multiTouch;
51 if (this.multiTouch) {
52 MultiTouchMouseEmulator.onTouchStart(x, y);
53 }
54 setNativeEvent(event.getNativeEvent());
55 setSource(event.getSource());
56 }
57
58 @Override
59 public LightArray<Touch> getTouches() {
60 return new JsLightArray<Touch>(touches(getNativeEvent()));
61 }
62
63 @Override
64 public LightArray<Touch> getChangedTouches() {
65 return new JsLightArray<Touch>(changedTouches(getNativeEvent()));
66 }
67
68 /** {@inheritDoc} */
69 @Override
70 protected native JsArray<JsTouch> touches(NativeEvent nativeEvent) /*-{
71 var touch = {};
72
73 touch.pageX = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::x;
74 touch.pageY = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::y;
75
76 var toucharray = [];
77
78 if (this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::multiTouch) {
79 var touch_start = {};
80 touch_start.pageX = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::x;
81 touch_start.pageY = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::y;
82 toucharray.push(touch_start);
83 }
84
85 toucharray.push(touch);
86
87 return toucharray;
88 }-*/;
89
90 /** {@inheritDoc} */
91 @Override
92 protected native JsArray<JsTouch> changedTouches(NativeEvent nativeEvent) /*-{
93 var touch = {};
94
95 touch.pageX = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::x;
96 touch.pageY = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::y;
97
98 var toucharray = [];
99
100 if (this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::multiTouch) {
101 var touch_start = {};
102 touch_start.pageX = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::x;
103 touch_start.pageY = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchStartEvent::y;
104 toucharray.push(touch_start);
105 }
106
107 toucharray.push(touch);
108
109 return toucharray;
110 }-*/;
111
112 @Override
113 public void stopPropagation() {
114 event.stopPropagation();
115 }
116
117 }