mirror of
https://github.com/status-im/react-native.git
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60db876f66
Summary: public RCTUIManager is a public module with several useful methods, however, unlike most such modules, it does not have a JS wrapper that would allow it to be required directly. Besides making it more cumbersome to use, this also makes it impossible to modify the UIManager API, or smooth over differences between platforms in the JS layer without breaking all of the call sites. This diff adds a simple JS wrapper file for the UIManager module to make it easier to work with. Reviewed By: tadeuzagallo Differential Revision: D2700348 fb-gh-sync-id: dd9030eface100b1baf756da11bae355dc0f266f
76 lines
2.3 KiB
JavaScript
76 lines
2.3 KiB
JavaScript
/**
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* Copyright (c) 2015-present, 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 IOSNativeBridgeEventPlugin
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* @flow
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*/
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'use strict';
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var EventPropagators = require('EventPropagators');
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var SyntheticEvent = require('SyntheticEvent');
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var UIManager = require('UIManager');
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var merge = require('merge');
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var warning = require('warning');
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var customBubblingEventTypes = UIManager.customBubblingEventTypes;
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var customDirectEventTypes = UIManager.customDirectEventTypes;
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var allTypesByEventName = {};
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for (var bubblingTypeName in customBubblingEventTypes) {
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allTypesByEventName[bubblingTypeName] = customBubblingEventTypes[bubblingTypeName];
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}
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for (var directTypeName in customDirectEventTypes) {
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warning(
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!customBubblingEventTypes[directTypeName],
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'Event cannot be both direct and bubbling: %s',
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directTypeName
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);
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allTypesByEventName[directTypeName] = customDirectEventTypes[directTypeName];
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}
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var IOSNativeBridgeEventPlugin = {
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eventTypes: merge(customBubblingEventTypes, customDirectEventTypes),
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/**
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* @param {string} topLevelType Record from `EventConstants`.
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* @param {DOMEventTarget} topLevelTarget The listening component root node.
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* @param {string} topLevelTargetID ID of `topLevelTarget`.
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* @param {object} nativeEvent Native browser event.
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* @return {*} An accumulation of synthetic events.
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* @see {EventPluginHub.extractEvents}
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*/
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extractEvents: function(
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topLevelType: string,
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topLevelTarget: EventTarget,
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topLevelTargetID: string,
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nativeEvent: Event
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): ?Object {
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var bubbleDispatchConfig = customBubblingEventTypes[topLevelType];
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var directDispatchConfig = customDirectEventTypes[topLevelType];
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var event = SyntheticEvent.getPooled(
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bubbleDispatchConfig || directDispatchConfig,
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topLevelTargetID,
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nativeEvent
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);
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if (bubbleDispatchConfig) {
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EventPropagators.accumulateTwoPhaseDispatches(event);
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} else if (directDispatchConfig) {
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EventPropagators.accumulateDirectDispatches(event);
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} else {
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return null;
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}
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return event;
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}
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};
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module.exports = IOSNativeBridgeEventPlugin;
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