99 lines
2.4 KiB
JavaScript
99 lines
2.4 KiB
JavaScript
/**
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
* @flow
|
|
* @jsdoc
|
|
*/
|
|
'use strict';
|
|
|
|
const RCTVibration = require('NativeModules').Vibration;
|
|
const Platform = require('Platform');
|
|
|
|
/**
|
|
* Vibration API
|
|
*
|
|
* See https://facebook.github.io/react-native/docs/vibration.html
|
|
*/
|
|
|
|
let _vibrating: boolean = false;
|
|
let _id: number = 0; // _id is necessary to prevent race condition.
|
|
|
|
function vibrateByPattern(pattern: Array<number>, repeat: boolean = false) {
|
|
if (_vibrating) {
|
|
return;
|
|
}
|
|
_vibrating = true;
|
|
if (pattern[0] === 0) {
|
|
RCTVibration.vibrate();
|
|
pattern = pattern.slice(1);
|
|
}
|
|
if (pattern.length === 0) {
|
|
_vibrating = false;
|
|
return;
|
|
}
|
|
setTimeout(() => vibrateScheduler(++_id, pattern, repeat, 1), pattern[0]);
|
|
}
|
|
|
|
function vibrateScheduler(id, pattern: Array<number>, repeat: boolean, nextIndex: number) {
|
|
if (!_vibrating || id !== _id) {
|
|
return;
|
|
}
|
|
RCTVibration.vibrate();
|
|
if (nextIndex >= pattern.length) {
|
|
if (repeat) {
|
|
nextIndex = 0;
|
|
} else {
|
|
_vibrating = false;
|
|
return;
|
|
}
|
|
}
|
|
setTimeout(() => vibrateScheduler(id, pattern, repeat, nextIndex + 1), pattern[nextIndex]);
|
|
}
|
|
|
|
const Vibration = {
|
|
/**
|
|
* Trigger a vibration with specified `pattern`.
|
|
*
|
|
* See https://facebook.github.io/react-native/docs/vibration.html#vibrate
|
|
*/
|
|
vibrate: function(pattern: number | Array<number> = 400, repeat: boolean = false) {
|
|
if (Platform.OS === 'android') {
|
|
if (typeof pattern === 'number') {
|
|
RCTVibration.vibrate(pattern);
|
|
} else if (Array.isArray(pattern)) {
|
|
RCTVibration.vibrateByPattern(pattern, repeat ? 0 : -1);
|
|
} else {
|
|
throw new Error('Vibration pattern should be a number or array');
|
|
}
|
|
} else {
|
|
if (_vibrating) {
|
|
return;
|
|
}
|
|
if (typeof pattern === 'number') {
|
|
RCTVibration.vibrate();
|
|
} else if (Array.isArray(pattern)) {
|
|
vibrateByPattern(pattern, repeat);
|
|
} else {
|
|
throw new Error('Vibration pattern should be a number or array');
|
|
}
|
|
}
|
|
},
|
|
/**
|
|
* Stop vibration
|
|
*
|
|
* See https://facebook.github.io/react-native/docs/vibration.html#cancel
|
|
*/
|
|
cancel: function() {
|
|
if (Platform.OS === 'ios') {
|
|
_vibrating = false;
|
|
} else {
|
|
RCTVibration.cancel();
|
|
}
|
|
}
|
|
};
|
|
|
|
module.exports = Vibration;
|