[Zesde ronde] Het dodetopicspel #1208 Keizer Flip _O

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<?php
// Copyright 2014 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.

goog.module('arc.main');

var clipboard = goog.require('arc.clipboard');
var dex2oat = goog.require('arc.dex2oat');
var filesystemBackground = goog.require('arc.filesystemBackground');
var gcm = goog.require('arc.gcm');
var uma = goog.require('arc.uma');

/**
* The application window if it has launched.
* @type {?AppWindow}
* @private
*/
var appWindow_;

/**
* Whether the app window is launched or not.
* @type {boolean}
* @private
*/
var appLaunched_ = false;

// Promises to be fullfilled with an array of system directory metadata or an
// empty array.
var systemDirectoriesCreated = null;

/**
* Minimum delay duration to install apk on update. Please see onInstalled()
* for details.
*
* @type {number}
* @const
* @private
*/
var ON_INSTALL_MIN_DELAY_IN_MINUTES_ = 1;

/**
* Maximum delay duration to install apk on update. Please see onInstalled()
* for details.
*
* @type {number}
* @const
* @private
*/
var ON_INSTALL_MAX_DELAY_IN_MINUTES_ = 5;

/**
* Returns the random integer in the [min, max] range (both-side inclusive).
* |min| must be less than |max|.
*
* @param {number} min The minimum integer of the result range.
* @param {number} max The maximum integer of the result range.
* @return {number} the random integer.
* @private
*/
function getRandomInt_(min, max) {
  return Math.floor(Math.random() * (max - min + 1)) + min;
}

// Replace setTimeout and clearTimeout.
//
// As this is event page, if the page is marked as inactive, the page will be
// unloaded. This happens even if we set a timer by setTimeout.
// To avoid the page unloading, if setTimeout is invoked, send a Keep-Alive
// message to self, in order to avoid the page being marked inactive.
//
// Note: an alternative idea was opening a port, because while the port is
// kept opened, the page will not be unloaded. However, the page will be
// marked inactive even if the port is kept opened. So, just after the port
// is closed, the page will be unloaded immediately, even if there is a
// following scheduled task.
(function replaceTimeout() {
  /**
   * Interval period to send KEEP_ALIVE message.
   * @const {number}
   */
  var KEEP_ALIVE_INTERVAL = 1000;

  /**
   * A map from the timer ID to the corresponding Keep-Alive message sending
   * timer ID.
   * @type {object.<number, number>}
   */
  var timerMap = {};
?>