This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community.
Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it.
https://www.freifunk-altdorf.de
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.3 KiB
48 lines
1.3 KiB
'use strict'; |
|
|
|
/** |
|
* Copyright (c) 2013-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. |
|
* |
|
* @typechecks |
|
*/ |
|
|
|
var containsNode = require('./containsNode'); |
|
|
|
/** |
|
* Gets an element's bounding rect in pixels relative to the viewport. |
|
* |
|
* @param {DOMElement} elem |
|
* @return {object} |
|
*/ |
|
function getElementRect(elem) { |
|
var docElem = elem.ownerDocument.documentElement; |
|
|
|
// FF 2, Safari 3 and Opera 9.5- do not support getBoundingClientRect(). |
|
// IE9- will throw if the element is not in the document. |
|
if (!('getBoundingClientRect' in elem) || !containsNode(docElem, elem)) { |
|
return { |
|
left: 0, |
|
right: 0, |
|
top: 0, |
|
bottom: 0 |
|
}; |
|
} |
|
|
|
// Subtracts clientTop/Left because IE8- added a 2px border to the |
|
// <html> element (see http://fburl.com/1493213). IE 7 in |
|
// Quicksmode does not report clientLeft/clientTop so there |
|
// will be an unaccounted offset of 2px when in quirksmode |
|
var rect = elem.getBoundingClientRect(); |
|
|
|
return { |
|
left: Math.round(rect.left) - docElem.clientLeft, |
|
right: Math.round(rect.right) - docElem.clientLeft, |
|
top: Math.round(rect.top) - docElem.clientTop, |
|
bottom: Math.round(rect.bottom) - docElem.clientTop |
|
}; |
|
} |
|
|
|
module.exports = getElementRect; |