mirror of
https://github.com/zhigang1992/react-native.git
synced 2026-06-15 01:28:49 +08:00
0ee5f68929
Summary: This is the next step in moving RN towards standard path-based requires. All the requires in `Libraries` have been rewritten to use relative requires with a few exceptions, namely, `vendor` and `Renderer/oss` since those need to be changed upstream. This commit uses relative requires instead of `react-native/...` so that if Facebook were to stop syncing out certain folders and therefore remove code from the react-native package, internal code at Facebook would not need to change. See the umbrella issue at https://github.com/facebook/react-native/issues/24316 for more detail. [General] [Changed] - Migrate "Libraries" from Haste to standard path-based requires Pull Request resolved: https://github.com/facebook/react-native/pull/24749 Differential Revision: D15258017 Pulled By: cpojer fbshipit-source-id: a1f480ea36c05c659b6f37c8f02f6f9216d5a323
55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @flow
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*/
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'use strict';
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const Platform = require('../../Utilities/Platform');
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const TVNavigationEventEmitter = require('../../BatchedBridge/NativeModules')
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.TVNavigationEventEmitter;
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const NativeEventEmitter = require('../../EventEmitter/NativeEventEmitter');
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function TVEventHandler() {
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this.__nativeTVNavigationEventListener = null;
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this.__nativeTVNavigationEventEmitter = null;
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}
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TVEventHandler.prototype.enable = function(
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component: ?any,
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callback: Function,
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) {
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if (Platform.OS === 'ios' && !TVNavigationEventEmitter) {
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return;
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}
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this.__nativeTVNavigationEventEmitter = new NativeEventEmitter(
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TVNavigationEventEmitter,
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);
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this.__nativeTVNavigationEventListener = this.__nativeTVNavigationEventEmitter.addListener(
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'onHWKeyEvent',
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data => {
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if (callback) {
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callback(component, data);
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}
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},
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);
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};
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TVEventHandler.prototype.disable = function() {
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if (this.__nativeTVNavigationEventListener) {
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this.__nativeTVNavigationEventListener.remove();
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delete this.__nativeTVNavigationEventListener;
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}
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if (this.__nativeTVNavigationEventEmitter) {
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delete this.__nativeTVNavigationEventEmitter;
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}
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};
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module.exports = TVEventHandler;
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