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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 library wheel_event_test; |
| 6 import '../../pkg/unittest/lib/unittest.dart'; |
| 7 import '../../pkg/unittest/lib/html_config.dart'; |
| 8 import 'dart:html'; |
| 9 |
| 10 |
| 11 main() { |
| 12 |
| 13 useHtmlConfiguration(); |
| 14 |
| 15 var userAgent = window.navigator.userAgent; |
| 16 |
| 17 // Lame platform-dependent check to validate that our assumptions about |
| 18 // which event is being used is correct. |
| 19 var wheelEvent = 'wheel'; |
| 20 if (userAgent.contains("Opera", 0)) { |
| 21 wheelEvent = 'mousewheel'; |
| 22 } else if (userAgent.contains("MSIE", 0)) { |
| 23 wheelEvent = 'mousewheel'; |
| 24 } else if (userAgent.contains('Firefox')) { |
| 25 // FF appears to have recently added support for wheel. |
| 26 if (userAgent.contains('Firefox/17')) { |
| 27 wheelEvent = 'DOMMouseScroll'; |
| 28 } else { |
| 29 wheelEvent = 'wheel'; |
| 30 } |
| 31 } else if (userAgent.contains('WebKit', 0)) { |
| 32 wheelEvent = 'mousewheel'; |
| 33 } |
| 34 |
| 35 test('wheelEvent', () { |
| 36 var element = new DivElement(); |
| 37 element.on.mouseWheel.add(expectAsync1((e) { |
| 38 expect(e.screenX, 100); |
| 39 expect(e.deltaX, 0); |
| 40 expect(e.deltaY, 240); |
| 41 })); |
| 42 var event = new WheelEvent(wheelEvent, |
| 43 window, |
| 44 0, |
| 45 240, |
| 46 0, |
| 47 100, |
| 48 200, |
| 49 10, |
| 50 20, |
| 51 0); |
| 52 element.$dom_dispatchEvent(event); |
| 53 }); |
| 54 |
| 55 test('wheelEvent Stream', () { |
| 56 var element = new DivElement(); |
| 57 element.onMouseWheel.listen(expectAsync1((e) { |
| 58 expect(e.screenX, 100); |
| 59 expect(e.deltaX, 0); |
| 60 expect(e.deltaY, 240); |
| 61 })); |
| 62 var event = new WheelEvent(wheelEvent, |
| 63 window, |
| 64 0, |
| 65 240, |
| 66 0, |
| 67 100, |
| 68 200, |
| 69 10, |
| 70 20, |
| 71 0); |
| 72 element.$dom_dispatchEvent(event); |
| 73 }); |
| 74 } |
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