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Diffstat (limited to 'node_modules/react-dom/lib/SyntheticMouseEvent.js')
-rw-r--r-- | node_modules/react-dom/lib/SyntheticMouseEvent.js | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/node_modules/react-dom/lib/SyntheticMouseEvent.js b/node_modules/react-dom/lib/SyntheticMouseEvent.js new file mode 100644 index 000000000..e07e0e5c0 --- /dev/null +++ b/node_modules/react-dom/lib/SyntheticMouseEvent.js @@ -0,0 +1,71 @@ +/** + * 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 SyntheticUIEvent = require('./SyntheticUIEvent'); +var ViewportMetrics = require('./ViewportMetrics'); + +var getEventModifierState = require('./getEventModifierState'); + +/** + * @interface MouseEvent + * @see http://www.w3.org/TR/DOM-Level-3-Events/ + */ +var MouseEventInterface = { + screenX: null, + screenY: null, + clientX: null, + clientY: null, + ctrlKey: null, + shiftKey: null, + altKey: null, + metaKey: null, + getModifierState: getEventModifierState, + button: function (event) { + // Webkit, Firefox, IE9+ + // which: 1 2 3 + // button: 0 1 2 (standard) + var button = event.button; + if ('which' in event) { + return button; + } + // IE<9 + // which: undefined + // button: 0 0 0 + // button: 1 4 2 (onmouseup) + return button === 2 ? 2 : button === 4 ? 1 : 0; + }, + buttons: null, + relatedTarget: function (event) { + return event.relatedTarget || (event.fromElement === event.srcElement ? event.toElement : event.fromElement); + }, + // "Proprietary" Interface. + pageX: function (event) { + return 'pageX' in event ? event.pageX : event.clientX + ViewportMetrics.currentScrollLeft; + }, + pageY: function (event) { + return 'pageY' in event ? event.pageY : event.clientY + ViewportMetrics.currentScrollTop; + } +}; + +/** + * @param {object} dispatchConfig Configuration used to dispatch this event. + * @param {string} dispatchMarker Marker identifying the event target. + * @param {object} nativeEvent Native browser event. + * @extends {SyntheticUIEvent} + */ +function SyntheticMouseEvent(dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget) { + return SyntheticUIEvent.call(this, dispatchConfig, dispatchMarker, nativeEvent, nativeEventTarget); +} + +SyntheticUIEvent.augmentClass(SyntheticMouseEvent, MouseEventInterface); + +module.exports = SyntheticMouseEvent;
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