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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 part of $LIBRARYNAME; | 5 part of $LIBRARYNAME; |
6 | 6 |
7 /** | 7 /** |
8 * Base class that supports listening for and dispatching browser events. | 8 * Base class that supports listening for and dispatching browser events. |
9 * | 9 * |
10 * Normally events are accessed via the Stream getter: | 10 * Normally events are accessed via the Stream getter: |
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39 * some DOM events may have multiple platform-dependent event names under the | 39 * some DOM events may have multiple platform-dependent event names under the |
40 * covers. By using the standard Stream getters you will get the platform | 40 * covers. By using the standard Stream getters you will get the platform |
41 * specific event name automatically. | 41 * specific event name automatically. |
42 */ | 42 */ |
43 class Events { | 43 class Events { |
44 /* Raw event target. */ | 44 /* Raw event target. */ |
45 final EventTarget _ptr; | 45 final EventTarget _ptr; |
46 | 46 |
47 Events(this._ptr); | 47 Events(this._ptr); |
48 | 48 |
49 Stream operator [](String type) { | 49 Stream<Event> operator [](String type) { |
50 return new _EventStream(_ptr, type, false); | 50 return new _EventStream(_ptr, type, false); |
51 } | 51 } |
52 } | 52 } |
53 | 53 |
54 class ElementEvents extends Events { | 54 class ElementEvents extends Events { |
55 static final webkitEvents = { | 55 static final webkitEvents = { |
56 'animationend' : 'webkitAnimationEnd', | 56 'animationend' : 'webkitAnimationEnd', |
57 'animationiteration' : 'webkitAnimationIteration', | 57 'animationiteration' : 'webkitAnimationIteration', |
58 'animationstart' : 'webkitAnimationStart', | 58 'animationstart' : 'webkitAnimationStart', |
59 'fullscreenchange' : 'webkitfullscreenchange', | 59 'fullscreenchange' : 'webkitfullscreenchange', |
60 'fullscreenerror' : 'webkitfullscreenerror', | 60 'fullscreenerror' : 'webkitfullscreenerror', |
61 'keyadded' : 'webkitkeyadded', | 61 'keyadded' : 'webkitkeyadded', |
62 'keyerror' : 'webkitkeyerror', | 62 'keyerror' : 'webkitkeyerror', |
63 'keymessage' : 'webkitkeymessage', | 63 'keymessage' : 'webkitkeymessage', |
64 'needkey' : 'webkitneedkey', | 64 'needkey' : 'webkitneedkey', |
65 'pointerlockchange' : 'webkitpointerlockchange', | 65 'pointerlockchange' : 'webkitpointerlockchange', |
66 'pointerlockerror' : 'webkitpointerlockerror', | 66 'pointerlockerror' : 'webkitpointerlockerror', |
67 'resourcetimingbufferfull' : 'webkitresourcetimingbufferfull', | 67 'resourcetimingbufferfull' : 'webkitresourcetimingbufferfull', |
68 'transitionend': 'webkitTransitionEnd', | 68 'transitionend': 'webkitTransitionEnd', |
69 'speechchange' : 'webkitSpeechChange' | 69 'speechchange' : 'webkitSpeechChange' |
70 }; | 70 }; |
71 | 71 |
72 ElementEvents(Element ptr) : super(ptr); | 72 ElementEvents(Element ptr) : super(ptr); |
73 | 73 |
74 Stream operator [](String type) { | 74 Stream<Event> operator [](String type) { |
75 if (webkitEvents.keys.contains(type.toLowerCase())) { | 75 if (webkitEvents.keys.contains(type.toLowerCase())) { |
76 if (Device.isWebKit) { | 76 if (Device.isWebKit) { |
77 return new _ElementEventStreamImpl( | 77 return new _ElementEventStreamImpl( |
78 _ptr, webkitEvents[type.toLowerCase()], false); | 78 _ptr, webkitEvents[type.toLowerCase()], false); |
79 } | 79 } |
80 } | 80 } |
81 return new _ElementEventStreamImpl(_ptr, type, false); | 81 return new _ElementEventStreamImpl(_ptr, type, false); |
82 } | 82 } |
83 } | 83 } |
84 | 84 |
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118 // TODO(leafp): This check is avoid a bug in our dispatch code when | 118 // TODO(leafp): This check is avoid a bug in our dispatch code when |
119 // listener is null. The browser treats this call as a no-op in this | 119 // listener is null. The browser treats this call as a no-op in this |
120 // case, so it's fine to short-circuit it, but we should not have to. | 120 // case, so it's fine to short-circuit it, but we should not have to. |
121 if (listener != null) { | 121 if (listener != null) { |
122 _removeEventListener(type, listener, useCapture); | 122 _removeEventListener(type, listener, useCapture); |
123 } | 123 } |
124 } | 124 } |
125 | 125 |
126 $!MEMBERS | 126 $!MEMBERS |
127 } | 127 } |
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