1 /*
2 * Copyright (c) 2010 Alex Moffat
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 * THE SOFTWARE.
21 */
22
23 package org.utgenome.gwt.ipad.event;
24
25 import com.google.gwt.core.client.JavaScriptObject;
26 import com.google.gwt.dom.client.Element;
27
28 /**
29 * Simple access to Touch objects.
30 *
31 * @author amoffat Alex Moffat
32 */
33 public class Touch extends JavaScriptObject {
34
35 protected Touch() {
36 }
37
38 public final int getRelativeX(Element target) {
39 return getClientX() - target.getAbsoluteLeft() + target.getScrollLeft() +
40 target.getOwnerDocument().getScrollLeft();
41 }
42
43 public final int getRelativeY(Element target) {
44 return getClientY() - target.getAbsoluteTop() + target.getScrollTop() +
45 target.getOwnerDocument().getScrollTop();
46 }
47
48 public final native int getClientX() /*-{
49 return this.clientX;
50 }-*/;
51
52 public final native int getClientY() /*-{
53 return this.clientY;
54 }-*/;
55
56 public final native Long identifier() /*-{
57 return this.identifier;
58 }-*/;
59
60 public final native int pageX() /*-{
61 return this.pageX;
62 }-*/;
63
64 public final native int pageY() /*-{
65 return this.pageY;
66 }-*/;
67
68 public final native int screenX() /*-{
69 return this.screenX;
70 }-*/;
71
72 public final native int screenY() /*-{
73 return this.screenY;
74 }-*/;
75
76 public final native JavaScriptObject target() /*-{
77 return this.target;
78 }-*/;
79 }