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60 lines
1.6 KiB
60 lines
1.6 KiB
/** |
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* Copyright 2013-2015, Facebook, Inc. |
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* All rights reserved. |
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* |
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* This source code is licensed under the BSD-style license found in the |
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* LICENSE file in the root directory of this source tree. An additional grant |
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* of patent rights can be found in the PATENTS file in the same directory. |
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* |
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* @providesModule SyntheticUIEvent |
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* @typechecks static-only |
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*/ |
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'use strict'; |
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var SyntheticEvent = require("./SyntheticEvent"); |
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var getEventTarget = require("./getEventTarget"); |
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/** |
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* @interface UIEvent |
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* @see http://www.w3.org/TR/DOM-Level-3-Events/ |
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*/ |
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var UIEventInterface = { |
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view: function(event) { |
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if (event.view) { |
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return event.view; |
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} |
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var target = getEventTarget(event); |
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if (target != null && target.window === target) { |
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// target is a window object |
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return target; |
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} |
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var doc = target.ownerDocument; |
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// TODO: Figure out why `ownerDocument` is sometimes undefined in IE8. |
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if (doc) { |
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return doc.defaultView || doc.parentWindow; |
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} else { |
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return window; |
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} |
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}, |
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detail: function(event) { |
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return event.detail || 0; |
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} |
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}; |
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/** |
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* @param {object} dispatchConfig Configuration used to dispatch this event. |
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* @param {string} dispatchMarker Marker identifying the event target. |
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* @param {object} nativeEvent Native browser event. |
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* @extends {SyntheticEvent} |
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*/ |
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function SyntheticUIEvent(dispatchConfig, dispatchMarker, nativeEvent) { |
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SyntheticEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent); |
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} |
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SyntheticEvent.augmentClass(SyntheticUIEvent, UIEventInterface); |
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module.exports = SyntheticUIEvent;
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