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| 'use strict';
var utilities = require('../../utils/utilityFunctions');
var VPAIDHTML5Tech = require('../vpaid/VPAIDHTML5Tech');
var VPAIDFlashTech = require('../vpaid/VPAIDFlashTech');
var VPAIDFLASHClient = require('VPAIDFLASHClient/js/VPAIDFLASHClient');
var vastUtil = {
track: function track(URLMacros, variables) {
var sources = vastUtil.parseURLMacros(URLMacros, variables);
var trackImgs = [];
sources.forEach(function (src) {
var img = new Image();
img.src = src;
trackImgs.push(img);
});
return trackImgs;
},
parseURLMacros: function parseMacros(URLMacros, variables) {
var parsedURLs = [];
variables = variables || {};
if (!(variables["CACHEBUSTING"])) {
variables["CACHEBUSTING"] = Math.round(Math.random() * 1.0e+10);
}
URLMacros.forEach(function (URLMacro) {
parsedURLs.push(vastUtil._parseURLMacro(URLMacro, variables));
});
return parsedURLs;
},
parseURLMacro: function parseMacro(URLMacro, variables) {
variables = variables || {};
if (!(variables["CACHEBUSTING"])) {
variables["CACHEBUSTING"] = Math.round(Math.random() * 1.0e+10);
}
return vastUtil._parseURLMacro(URLMacro, variables);
},
_parseURLMacro: function parseMacro(URLMacro, variables) {
variables = variables || {};
utilities.forEach(variables, function (value, key) {
URLMacro = URLMacro.replace(new RegExp("\\[" + key + "\\\]", 'gm'), value);
});
return URLMacro;
},
parseDuration: function parseDuration(durationStr) {
var durationRegex = /(\d\d):(\d\d):(\d\d)(\.(\d\d\d))?/;
var match, durationInMs;
if (utilities.isString(durationStr)) {
match = durationStr.match(durationRegex);
if (match) {
durationInMs = parseHoursToMs(match[1]) + parseMinToMs(match[2]) + parseSecToMs(match[3]) + parseInt(match[5] || 0);
}
}
return isNaN(durationInMs) ? null : durationInMs;
/*** local functions ***/
function parseHoursToMs(hourStr) {
return parseInt(hourStr, 10) * 60 * 60 * 1000;
}
function parseMinToMs(minStr) {
return parseInt(minStr, 10) * 60 * 1000;
}
function parseSecToMs(secStr) {
return parseInt(secStr, 10) * 1000;
}
},
parseImpressions: function parseImpressions(impressions) {
if (impressions) {
impressions = utilities.isArray(impressions) ? impressions : [impressions];
return utilities.transformArray(impressions, function (impression) {
if (utilities.isNotEmptyString(impression.keyValue)) {
return impression.keyValue;
}
return undefined;
});
}
return [];
},
//We assume that the progress is going to arrive in milliseconds
formatProgress: function formatProgress(progress) {
var hours, minutes, seconds, milliseconds;
hours = progress / (60 * 60 * 1000);
hours = Math.floor(hours);
minutes = (progress / (60 * 1000)) % 60;
minutes = Math.floor(minutes);
seconds = (progress / 1000) % 60;
seconds = Math.floor(seconds);
milliseconds = progress % 1000;
return utilities.toFixedDigits(hours, 2) + ':' + utilities.toFixedDigits(minutes, 2) + ':' + utilities.toFixedDigits(seconds, 2) + '.' + utilities.toFixedDigits(milliseconds, 3);
},
parseOffset: function parseOffset(offset, duration) {
if (isPercentage(offset)) {
return calculatePercentage(offset, duration);
}
return vastUtil.parseDuration(offset);
/*** Local function ***/
function isPercentage(offset) {
var percentageRegex = /^\d+(\.\d+)?%$/g;
return percentageRegex.test(offset);
}
function calculatePercentage(percentStr, duration) {
if (duration) {
return calcPercent(duration, parseFloat(percentStr.replace('%', '')));
}
return null;
}
function calcPercent(quantity, percent) {
return quantity * percent / 100;
}
},
//List of supported VPAID technologies
VPAID_techs: [
VPAIDFlashTech,
VPAIDHTML5Tech
],
isVPAID: function isVPAIDMediaFile(mediaFile) {
return !!mediaFile && mediaFile.apiFramework === 'VPAID';
},
findSupportedVPAIDTech: function findSupportedVPAIDTech(mimeType) {
var i, len, VPAIDTech;
for (i = 0, len = this.VPAID_techs.length; i < len; i += 1) {
VPAIDTech = this.VPAID_techs[i];
if (VPAIDTech.supports(mimeType)) {
return VPAIDTech;
}
}
return null;
},
isFlashSupported: function isFlashSupported() {
return VPAIDFLASHClient.isSupported();
},
/**
* Necessary step for VPAIDFLAShClient to know if flash is supported and not blocked.
* IMPORTANT NOTE: This is an async test and needs to be run as soon as possible.
*
* @param vpaidFlashLoaderPath the path to the vpaidFlashLoader swf obj.
*/
runFlashSupportCheck: function runFlashSupportCheck(vpaidFlashLoaderPath) {
VPAIDFLASHClient.runFlashTest({data: vpaidFlashLoaderPath});
}
};
module.exports = vastUtil;
|