71 lines
2.8 KiB
JavaScript
71 lines
2.8 KiB
JavaScript
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/**
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* Copyright (c) 2016-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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* Facebook, Inc. ("Facebook") owns all right, title and interest, including
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* all intellectual property and other proprietary rights, in and to the React
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* Native CustomComponents software (the "Software"). Subject to your
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* compliance with these terms, you are hereby granted a non-exclusive,
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* worldwide, royalty-free copyright license to (1) use and copy the Software;
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* and (2) reproduce and distribute the Software as part of your own software
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* ("Your Software"). Facebook reserves all rights not expressly granted to
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* you in this license agreement.
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*
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* THE SOFTWARE AND DOCUMENTATION, IF ANY, ARE PROVIDED "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES (INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE) ARE DISCLAIMED.
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* IN NO EVENT SHALL FACEBOOK OR ITS AFFILIATES, OFFICERS, DIRECTORS OR
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* EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @providesModule TVEventHandler
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* @flow
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*/
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'use strict';
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const React = require('React');
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const TVNavigationEventEmitter = require('NativeModules').TVNavigationEventEmitter;
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const NativeEventEmitter = require('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(component: ?any, callback: Function) {
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if (!TVNavigationEventEmitter) {
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return;
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}
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this.__nativeTVNavigationEventEmitter = new NativeEventEmitter(TVNavigationEventEmitter);
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this.__nativeTVNavigationEventListener = this.__nativeTVNavigationEventEmitter.addListener(
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'onTVNavEvent',
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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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