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Diffstat (limited to 'node_modules/react-dom/lib/SelectEventPlugin.js')
| -rw-r--r-- | node_modules/react-dom/lib/SelectEventPlugin.js | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/node_modules/react-dom/lib/SelectEventPlugin.js b/node_modules/react-dom/lib/SelectEventPlugin.js deleted file mode 100644 index 28b820e46..000000000 --- a/node_modules/react-dom/lib/SelectEventPlugin.js +++ /dev/null @@ -1,187 +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 ExecutionEnvironment = require('fbjs/lib/ExecutionEnvironment'); -var ReactDOMComponentTree = require('./ReactDOMComponentTree'); -var ReactInputSelection = require('./ReactInputSelection'); -var SyntheticEvent = require('./SyntheticEvent'); - -var getActiveElement = require('fbjs/lib/getActiveElement'); -var isTextInputElement = require('./isTextInputElement'); -var shallowEqual = require('fbjs/lib/shallowEqual'); - -var skipSelectionChangeEvent = ExecutionEnvironment.canUseDOM && 'documentMode' in document && document.documentMode <= 11; - -var eventTypes = { - select: { - phasedRegistrationNames: { - bubbled: 'onSelect', - captured: 'onSelectCapture' - }, - dependencies: ['topBlur', 'topContextMenu', 'topFocus', 'topKeyDown', 'topKeyUp', 'topMouseDown', 'topMouseUp', 'topSelectionChange'] - } -}; - -var activeElement = null; -var activeElementInst = null; -var lastSelection = null; -var mouseDown = false; - -// Track whether a listener exists for this plugin. If none exist, we do -// not extract events. See #3639. -var hasListener = false; - -/** - * Get an object which is a unique representation of the current selection. - * - * The return value will not be consistent across nodes or browsers, but - * two identical selections on the same node will return identical objects. - * - * @param {DOMElement} node - * @return {object} - */ -function getSelection(node) { - if ('selectionStart' in node && ReactInputSelection.hasSelectionCapabilities(node)) { - return { - start: node.selectionStart, - end: node.selectionEnd - }; - } else if (window.getSelection) { - var selection = window.getSelection(); - return { - anchorNode: selection.anchorNode, - anchorOffset: selection.anchorOffset, - focusNode: selection.focusNode, - focusOffset: selection.focusOffset - }; - } else if (document.selection) { - var range = document.selection.createRange(); - return { - parentElement: range.parentElement(), - text: range.text, - top: range.boundingTop, - left: range.boundingLeft - }; - } -} - -/** - * Poll selection to see whether it's changed. - * - * @param {object} nativeEvent - * @return {?SyntheticEvent} - */ -function constructSelectEvent(nativeEvent, nativeEventTarget) { - // Ensure we have the right element, and that the user is not dragging a - // selection (this matches native `select` event behavior). In HTML5, select - // fires only on input and textarea thus if there's no focused element we - // won't dispatch. - if (mouseDown || activeElement == null || activeElement !== getActiveElement()) { - return null; - } - - // Only fire when selection has actually changed. - var currentSelection = getSelection(activeElement); - if (!lastSelection || !shallowEqual(lastSelection, currentSelection)) { - lastSelection = currentSelection; - - var syntheticEvent = SyntheticEvent.getPooled(eventTypes.select, activeElementInst, nativeEvent, nativeEventTarget); - - syntheticEvent.type = 'select'; - syntheticEvent.target = activeElement; - - EventPropagators.accumulateTwoPhaseDispatches(syntheticEvent); - - return syntheticEvent; - } - - return null; -} - -/** - * This plugin creates an `onSelect` event that normalizes select events - * across form elements. - * - * Supported elements are: - * - input (see `isTextInputElement`) - * - textarea - * - contentEditable - * - * This differs from native browser implementations in the following ways: - * - Fires on contentEditable fields as well as inputs. - * - Fires for collapsed selection. - * - Fires after user input. - */ -var SelectEventPlugin = { - eventTypes: eventTypes, - - extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) { - if (!hasListener) { - return null; - } - - var targetNode = targetInst ? ReactDOMComponentTree.getNodeFromInstance(targetInst) : window; - - switch (topLevelType) { - // Track the input node that has focus. - case 'topFocus': - if (isTextInputElement(targetNode) || targetNode.contentEditable === 'true') { - activeElement = targetNode; - activeElementInst = targetInst; - lastSelection = null; - } - break; - case 'topBlur': - activeElement = null; - activeElementInst = null; - lastSelection = null; - break; - // Don't fire the event while the user is dragging. This matches the - // semantics of the native select event. - case 'topMouseDown': - mouseDown = true; - break; - case 'topContextMenu': - case 'topMouseUp': - mouseDown = false; - return constructSelectEvent(nativeEvent, nativeEventTarget); - // Chrome and IE fire non-standard event when selection is changed (and - // sometimes when it hasn't). IE's event fires out of order with respect - // to key and input events on deletion, so we discard it. - // - // Firefox doesn't support selectionchange, so check selection status - // after each key entry. The selection changes after keydown and before - // keyup, but we check on keydown as well in the case of holding down a - // key, when multiple keydown events are fired but only one keyup is. - // This is also our approach for IE handling, for the reason above. - case 'topSelectionChange': - if (skipSelectionChangeEvent) { - break; - } - // falls through - case 'topKeyDown': - case 'topKeyUp': - return constructSelectEvent(nativeEvent, nativeEventTarget); - } - - return null; - }, - - didPutListener: function (inst, registrationName, listener) { - if (registrationName === 'onSelect') { - hasListener = true; - } - } -}; - -module.exports = SelectEventPlugin;
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