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.MouseMoveEvent;
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.TouchMoveEvent;
24
25 /**
26 * A simulated TouchMoveEvent is really a mouse move 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 SimulatedTouchMoveEvent extends TouchMoveEvent {
33
34 private int x;
35 private int y;
36
37 private int x_start;
38 private int y_start;
39 private boolean multiTouch;
40
41 /**
42 * <p>
43 * Constructor for SimulatedTouchMoveEvent.
44 * </p>
45 *
46 * @param event a {@link com.google.gwt.event.dom.client.MouseMoveEvent} object.
47 */
48 public SimulatedTouchMoveEvent(MouseMoveEvent event) {
49 x = event.getClientX();
50 y = event.getClientY();
51 multiTouch = false;
52
53 if (event.isAltKeyDown() && MultiTouchMouseEmulator.isHasValues()) {
54 multiTouch = true;
55 int[] start = MultiTouchMouseEmulator.getTouchStart();
56 x_start = start[0];
57 y_start = start[1];
58 }
59
60 setNativeEvent(event.getNativeEvent());
61 setSource(event.getSource());
62 }
63
64 @Override
65 public LightArray<Touch> getTouches() {
66 return new JsLightArray<Touch>(touches(getNativeEvent()));
67 }
68
69 @Override
70 public LightArray<Touch> getChangedTouches() {
71 return new JsLightArray<Touch>(changedTouches(getNativeEvent()));
72 }
73
74 /** {@inheritDoc} */
75 @Override
76 protected native JsArray<JsTouch> touches(NativeEvent nativeEvent) /*-{
77 var touch = {};
78
79 touch.pageX = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::x;
80 touch.pageY = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::y;
81
82 var toucharray = [];
83
84 if (this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::multiTouch) {
85 var touch_start = {};
86 touch_start.pageX = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::x_start;
87 touch_start.pageY = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::y_start;
88 toucharray.push(touch_start);
89 }
90
91 toucharray.push(touch);
92
93 return toucharray;
94 }-*/;
95
96 /** {@inheritDoc} */
97 @Override
98 protected native JsArray<JsTouch> changedTouches(NativeEvent nativeEvent) /*-{
99 var touch = {};
100
101 touch.pageX = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::x;
102 touch.pageY = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::y;
103
104 var toucharray = [];
105
106 if (this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::multiTouch) {
107 var touch_start = {};
108 touch_start.pageX = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::x_start;
109 touch_start.pageY = this.@com.googlecode.mgwt.dom.client.event.mouse.SimulatedTouchMoveEvent::y_start;
110 toucharray.push(touch_start);
111 }
112
113 toucharray.push(touch);
114
115 return toucharray;
116 }-*/;
117 }