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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var timeutil = (function() {
/**
* Offset needed to convert event times to Date objects.
* Updated whenever constants are loaded.
*/
var timeTickOffset = 0;
/**
* Sets the offset used to convert tick counts to dates.
*/
function setTimeTickOffset(offset) {
// Note that the subtraction by 0 is to cast to a number (probably a float
// since the numbers are big).
timeTickOffset = offset - 0;
}
/**
* The browser gives us times in terms of "time ticks" in milliseconds.
* This function converts the tick count to a Date() object.
*
* @param {String} timeTicks.
* @returns {Date} The time that |timeTicks| represents.
*/
function convertTimeTicksToDate(timeTicks) {
var timeStampMs = timeTickOffset + (timeTicks - 0);
return new Date(timeStampMs);
}
return {
setTimeTickOffset: setTimeTickOffset,
convertTimeTicksToDate: convertTimeTicksToDate
};
})();
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