fn.js
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/*
* Copyright 2014,2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
ONOS GUI -- Util -- General Purpose Functions
*/
(function () {
'use strict';
var $window;
function isF(f) {
return typeof f === 'function' ? f : null;
}
function isA(a) {
// NOTE: Array.isArray() is part of EMCAScript 5.1
return Array.isArray(a) ? a : null;
}
function isS(s) {
return typeof s === 'string' ? s : null;
}
function isO(o) {
return (o && typeof o === 'object' && o.constructor === Object) ? o : null;
}
function contains(a, x) {
return isA(a) && a.indexOf(x) > -1;
}
// Returns true if all names in the array are defined as functions
// on the given api object; false otherwise.
function areFunctions(api, fnNames) {
if (!isA(fnNames)) {
return false;
}
var n = fnNames.length,
i, name;
for (i=0; i<n; i++) {
name = fnNames[i];
if (!isF(api[name])) {
return false;
}
}
return true;
}
// Returns width and height of window inner dimensions.
// offH, offW : offset width/height are subtracted, if present
function windowSize(offH, offW) {
var oh = offH || 0,
ow = offW || 0;
return {
height: $window.innerHeight - oh,
width: $window.innerWidth - ow
};
}
angular.module('onosUtil')
.factory('FnService', ['$window', function (_$window_) {
$window = _$window_;
return {
isF: isF,
isA: isA,
isS: isS,
isO: isO,
contains: contains,
areFunctions: areFunctions,
windowSize: windowSize
};
}]);
}());