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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.JsArray;
26  import com.google.gwt.dom.client.NativeEvent;
27  import com.google.gwt.event.dom.client.DomEvent;
28  import com.google.gwt.event.shared.EventHandler;
29  
30  /**
31   * Common code for all touch events.
32   *
33   * @author amoffat Alex Moffat
34   */
35  public abstract class TouchEvent<H extends EventHandler> extends DomEvent<H> {
36  
37      public JsArray<Touch> changedTouches() {
38          return changedTouches(getNativeEvent());
39      }
40  
41      private native JsArray<Touch> changedTouches(NativeEvent nativeEvent) /*-{
42        return nativeEvent.changedTouches;
43      }-*/;
44  
45      public JsArray<Touch> targetTouches() {
46          return targetTouches(getNativeEvent());
47      }
48  
49      private native JsArray<Touch> targetTouches(NativeEvent nativeEvent) /*-{
50        return nativeEvent.targetTouches;
51      }-*/;
52  
53      public JsArray<Touch> touches() {
54          return touches(getNativeEvent());
55      }
56  
57      private native JsArray<Touch> touches(NativeEvent nativeEvent) /*-{
58        return nativeEvent.touches;
59      }-*/;
60  }