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Diffstat (limited to 'node_modules/react-dom/lib/EnterLeaveEventPlugin.js')
-rw-r--r-- | node_modules/react-dom/lib/EnterLeaveEventPlugin.js | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/node_modules/react-dom/lib/EnterLeaveEventPlugin.js b/node_modules/react-dom/lib/EnterLeaveEventPlugin.js deleted file mode 100644 index 891b5f548..000000000 --- a/node_modules/react-dom/lib/EnterLeaveEventPlugin.js +++ /dev/null @@ -1,97 +0,0 @@ -/** - * Copyright 2013-present, Facebook, Inc. - * All rights reserved. - * - * This source code is licensed under the BSD-style license found in the - * LICENSE file in the root directory of this source tree. An additional grant - * of patent rights can be found in the PATENTS file in the same directory. - * - */ - -'use strict'; - -var EventPropagators = require('./EventPropagators'); -var ReactDOMComponentTree = require('./ReactDOMComponentTree'); -var SyntheticMouseEvent = require('./SyntheticMouseEvent'); - -var eventTypes = { - mouseEnter: { - registrationName: 'onMouseEnter', - dependencies: ['topMouseOut', 'topMouseOver'] - }, - mouseLeave: { - registrationName: 'onMouseLeave', - dependencies: ['topMouseOut', 'topMouseOver'] - } -}; - -var EnterLeaveEventPlugin = { - eventTypes: eventTypes, - - /** - * For almost every interaction we care about, there will be both a top-level - * `mouseover` and `mouseout` event that occurs. Only use `mouseout` so that - * we do not extract duplicate events. However, moving the mouse into the - * browser from outside will not fire a `mouseout` event. In this case, we use - * the `mouseover` top-level event. - */ - extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { - if (topLevelType === 'topMouseOver' && (nativeEvent.relatedTarget || nativeEvent.fromElement)) { - return null; - } - if (topLevelType !== 'topMouseOut' && topLevelType !== 'topMouseOver') { - // Must not be a mouse in or mouse out - ignoring. - return null; - } - - var win; - if (nativeEventTarget.window === nativeEventTarget) { - // `nativeEventTarget` is probably a window object. - win = nativeEventTarget; - } else { - // TODO: Figure out why `ownerDocument` is sometimes undefined in IE8. - var doc = nativeEventTarget.ownerDocument; - if (doc) { - win = doc.defaultView || doc.parentWindow; - } else { - win = window; - } - } - - var from; - var to; - if (topLevelType === 'topMouseOut') { - from = targetInst; - var related = nativeEvent.relatedTarget || nativeEvent.toElement; - to = related ? ReactDOMComponentTree.getClosestInstanceFromNode(related) : null; - } else { - // Moving to a node from outside the window. - from = null; - to = targetInst; - } - - if (from === to) { - // Nothing pertains to our managed components. - return null; - } - - var fromNode = from == null ? win : ReactDOMComponentTree.getNodeFromInstance(from); - var toNode = to == null ? win : ReactDOMComponentTree.getNodeFromInstance(to); - - var leave = SyntheticMouseEvent.getPooled(eventTypes.mouseLeave, from, nativeEvent, nativeEventTarget); - leave.type = 'mouseleave'; - leave.target = fromNode; - leave.relatedTarget = toNode; - - var enter = SyntheticMouseEvent.getPooled(eventTypes.mouseEnter, to, nativeEvent, nativeEventTarget); - enter.type = 'mouseenter'; - enter.target = toNode; - enter.relatedTarget = fromNode; - - EventPropagators.accumulateEnterLeaveDispatches(leave, enter, from, to); - - return [leave, enter]; - } -}; - -module.exports = EnterLeaveEventPlugin;
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