Gecko [ v3.cesa.co.za ]

Name	Size	Permission	Date
addblockmodal.js	2.45 KB	-rw-r--r--	2017-06-22 15:32
ajax.js	6.41 KB	-rw-r--r--	2017-06-22 15:32
auto_rows.js	2.85 KB	-rw-r--r--	2017-06-22 15:32
backoff_timer.js	5.12 KB	-rw-r--r--	2017-06-22 15:32
chart_axis.js	7.43 KB	-rw-r--r--	2017-06-22 15:32
chart_bar.js	3.13 KB	-rw-r--r--	2017-06-22 15:32
chart_base.js	10.63 KB	-rw-r--r--	2017-06-22 15:32
chart_builder.js	1.67 KB	-rw-r--r--	2017-06-22 15:32
chart_line.js	2.13 KB	-rw-r--r--	2017-06-22 15:32
chart_output.js	1.1 KB	-rw-r--r--	2017-06-22 15:32
chart_output_base.js	2.09 KB	-rw-r--r--	2017-06-22 15:32
chart_output_chartjs.js	10.48 KB	-rw-r--r--	2017-06-22 15:32
chart_output_htmltable.js	3.36 KB	-rw-r--r--	2017-06-22 15:32
chart_pie.js	3.09 KB	-rw-r--r--	2017-06-22 15:32
chart_series.js	7.88 KB	-rw-r--r--	2017-06-22 15:32
chartjs-lazy.js	311.89 KB	-rw-r--r--	2017-06-22 15:32
chartjs.js	933 B	-rw-r--r--	2017-06-22 15:32
config.js	1.05 KB	-rw-r--r--	2017-06-22 15:32
custom_interaction_events.js	14.82 KB	-rw-r--r--	2017-06-22 15:32
event.js	3.03 KB	-rw-r--r--	2017-06-22 15:32
first.js	1.38 KB	-rw-r--r--	2017-06-22 15:32
form-autocomplete.js	36.23 KB	-rw-r--r--	2017-06-22 15:32
form-course-selector.js	3.75 KB	-rw-r--r--	2017-06-22 15:32
fragment.js	4.96 KB	-rw-r--r--	2017-06-22 15:32
inplace_editable.js	9.23 KB	-rw-r--r--	2017-06-22 15:32
key_codes.js	1.32 KB	-rw-r--r--	2017-06-22 15:32
localstorage.js	5.73 KB	-rw-r--r--	2017-06-22 15:32
log.js	1.76 KB	-rw-r--r--	2017-06-22 15:32
loglevel.js	8.79 KB	-rw-r--r--	2017-06-22 15:32
modal.js	17.79 KB	-rw-r--r--	2017-06-22 15:32
modal_backdrop.js	3.86 KB	-rw-r--r--	2017-06-22 15:32
modal_cancel.js	2.57 KB	-rw-r--r--	2017-06-22 15:32
modal_confirm.js	3.12 KB	-rw-r--r--	2017-06-22 15:32
modal_events.js	1.3 KB	-rw-r--r--	2017-06-22 15:32
modal_factory.js	5.24 KB	-rw-r--r--	2017-06-22 15:32
modal_save_cancel.js	3.18 KB	-rw-r--r--	2017-06-22 15:32
mustache.js	22.8 KB	-rw-r--r--	2017-06-22 15:32
notification.js	9.09 KB	-rw-r--r--	2017-06-22 15:32
permissionmanager.js	9.17 KB	-rw-r--r--	2017-06-22 15:32
popover_region_controller.js	12.58 KB	-rw-r--r--	2017-06-22 15:32
search-input.js	3.24 KB	-rw-r--r--	2017-06-22 15:32
str.js	7.37 KB	-rw-r--r--	2017-06-22 15:32
tag.js	16.22 KB	-rw-r--r--	2017-06-22 15:32
templates.js	24.73 KB	-rw-r--r--	2017-06-22 15:32
tooltip.js	4.1 KB	-rw-r--r--	2017-06-22 15:32
tree.js	17.58 KB	-rw-r--r--	2017-06-22 15:32
url.js	3.69 KB	-rw-r--r--	2017-06-22 15:32
yui.js	1.15 KB	-rw-r--r--	2017-06-22 15:32

Rename

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * A timer that will execute a callback with decreasing frequency. Useful for
 * doing polling on the server without overwhelming it with requests.
 *
 * @module     core/backoff_timer
 * @class      backoff_timer
 * @package    core
 * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
define(function() {

/**
     * Constructor for the back off timer.
     *
     * @param {function} callback The function to execute after each tick
     * @param {function} backoffFunction The function to determine what the next timeout value should be
     */
    var BackoffTimer = function(callback, backoffFunction) {
        this.callback = callback;
        this.backOffFunction = backoffFunction;
    };

/**
     * @type {function} callback The function to execute after each tick
     */
    BackoffTimer.prototype.callback = null;

/**
     * @type {function} backoffFunction The function to determine what the next timeout value should be
     */
    BackoffTimer.prototype.backOffFunction = null;

/**
     * @type {int} time The timeout value to use
     */
    BackoffTimer.prototype.time = null;

/**
     * @type {numeric} timeout The timeout identifier
     */
    BackoffTimer.prototype.timeout = null;

/**
     * Generate the next timeout in the back off time sequence
     * for the timer.
     *
     * The back off function is called to calculate the next value.
     * It is given the current value and an array of all previous values.
     *
     * @method generateNextTime
     * @return {int} The new timeout value (in milliseconds)
     */
    BackoffTimer.prototype.generateNextTime = function() {
        var newTime = this.backOffFunction(this.time);
        this.time = newTime;

return newTime;
    };

/**
     * Stop the current timer and clear the previous time values
     *
     * @method reset
     * @return {object} this
     */
    BackoffTimer.prototype.reset = function() {
        this.time = null;
        this.stop();

return this;
    };

/**
     * Clear the current timeout, if one is set.
     *
     * @method stop
     * @return {object} this
     */
    BackoffTimer.prototype.stop = function() {
        if (this.timeout) {
            window.clearTimeout(this.timeout);
            this.timeout = null;
        }

return this;
    };

/**
     * Start the current timer by generating the new timeout value and
     * starting the ticks.
     *
     * This function recurses after each tick with a new timeout value
     * generated each time.
     *
     * The callback function is called after each tick.
     *
     * @method start
     * @return {object} this
     */
    BackoffTimer.prototype.start = function() {
        // If we haven't already started.
        if (!this.timeout) {
            var time = this.generateNextTime();
            this.timeout = window.setTimeout(function() {
                this.callback();
                // Clear the existing timer.
                this.stop();
                // Start the next timer.
                this.start();
            }.bind(this), time);
        }

return this;
    };

/**
     * Reset the timer and start it again from the initial timeout
     * values
     *
     * @method restart
     * @return {object} this
     */
    BackoffTimer.prototype.restart = function() {
        return this.reset().start();
    };

/**
     * Returns an incremental function for the timer.
     *
     * @param {int} minamount The minimum amount of time we wait before checking
     * @param {int} incrementamount The amount to increment the timer by
     * @param {int} maxamount The max amount to ever increment to
     * @param {int} timeoutamount The timeout to use once we reach the max amount
     * @return {function}
     */
     BackoffTimer.getIncrementalCallback = function(minamount, incrementamount, maxamount, timeoutamount) {

/**
         * An incremental function for the timer.
         *
         * @param {(int|null)} time The current timeout value or null if none set
         * @return {int} The new timeout value
         */
        return function(time) {
            if (!time) {
                return minamount;
            }

// Don't go over the max amount.
            if (time + incrementamount > maxamount) {
                return timeoutamount;
            }

return time + incrementamount;
        };
    };

return BackoffTimer;
});