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61 lines
1.6 KiB
61 lines
1.6 KiB
10 years ago
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/**
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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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