40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
/**
|
|
* Copyright 2004-present Facebook. All Rights Reserved.
|
|
*
|
|
* @providesModule queryLayoutByID
|
|
*/
|
|
'use strict';
|
|
|
|
var ReactIOSTagHandles = require('ReactIOSTagHandles');
|
|
var RKUIManager = require('NativeModulesDeprecated').RKUIManager;
|
|
|
|
/**
|
|
* Queries the layout of a view. The layout does not reflect the element as
|
|
* seen by the user, rather it reflects the position within the layout system,
|
|
* before any transforms are applied.
|
|
*
|
|
* The only other requirement is that the `pageX, pageY` values be in the same
|
|
* coordinate system that events' `pageX/Y` are reported. That means that for
|
|
* the web, `pageXOffset/pageYOffset` should be added to to
|
|
* getBoundingClientRect to make consistent with touches.
|
|
*
|
|
* var pageXOffset = window.pageXOffset;
|
|
* var pageYOffset = window.pageYOffset;
|
|
*
|
|
* This is an IOS specific implementation.
|
|
*
|
|
* @param {string} rootNodeID ID of the platform specific node to be measured.
|
|
* @param {function} onError `func(error)`
|
|
* @param {function} onSuccess `func(left, top, width, height, pageX, pageY)`
|
|
*/
|
|
var queryLayoutByID = function(rootNodeID, onError, onSuccess) {
|
|
// Native bridge doesn't *yet* surface errors.
|
|
RKUIManager.measure(
|
|
ReactIOSTagHandles.rootNodeIDToTag[rootNodeID],
|
|
onSuccess
|
|
);
|
|
};
|
|
|
|
module.exports = queryLayoutByID;
|
|
|