mirror of
https://github.com/status-im/react-native.git
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1490ab12ef
Summary:
Includes React Native and its dependencies Fresco, Metro, and Yoga. Excludes samples/examples/docs.
find: ^(?:( *)|( *(?:[\*~#]|::))( )? *)?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+?BSD[\s\S]+?(?:this source tree|the same directory)\.$
replace: $1$2$3Copyright (c) $4-present, Facebook, Inc.\n$2\n$1$2$3This source code is licensed under the MIT license found in the\n$1$2$3LICENSE file in the root directory of this source tree.
Reviewed By: TheSavior, yungsters
Differential Revision: D7007050
fbshipit-source-id: 37dd6bf0ffec0923bfc99c260bb330683f35553e
59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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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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* @providesModule queryLayoutByID
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* @flow
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* @format
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*/
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'use strict';
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var UIManager = require('UIManager');
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type OnSuccessCallback = (
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left: number,
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top: number,
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width: number,
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height: number,
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pageX: number,
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pageY: number,
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) => void;
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// I don't know what type error is...
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type OnErrorCallback = (error: any) => void;
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/**
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* Queries the layout of a view. The layout does not reflect the element as
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* seen by the user, rather it reflects the position within the layout system,
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* before any transforms are applied.
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*
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* The only other requirement is that the `pageX, pageY` values be in the same
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* coordinate system that events' `pageX/Y` are reported. That means that for
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* the web, `pageXOffset/pageYOffset` should be added to to
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* getBoundingClientRect to make consistent with touches.
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*
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* var pageXOffset = window.pageXOffset;
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* var pageYOffset = window.pageYOffset;
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*
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* This is an IOS specific implementation.
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*
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* @param {number} tag ID of the platform specific node to be measured.
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* @param {function} onError `func(error)`
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* @param {function} onSuccess `func(left, top, width, height, pageX, pageY)`
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*/
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var queryLayoutByID = function(
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tag: ?number,
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onError: OnErrorCallback,
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onSuccess: OnSuccessCallback,
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): void {
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if (tag == null) {
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return;
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}
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// Native bridge doesn't *yet* surface errors.
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UIManager.measure(tag, onSuccess);
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};
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module.exports = queryLayoutByID;
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