mirror of
https://github.com/moodle/moodle.git
synced 2025-03-04 16:10:59 +01:00
c3d2fbf9cd
This commit moves user agent related functionality out of several core libraries and combines it into a more manageable class. All core uses are converted and functions deprecated in favor of the new class.
83 lines
2.9 KiB
PHP
83 lines
2.9 KiB
PHP
<?php
|
|
// 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/>.
|
|
|
|
|
|
/**
|
|
* Library functions to facilitate the use of ajax JavaScript in Moodle.
|
|
*
|
|
* @package core
|
|
* @copyright 2009 Tim Hunt
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
|
|
*/
|
|
|
|
/**
|
|
* You need to call this function if you wish to use the set_user_preference method in javascript_static.php, to white-list the
|
|
* preference you want to update from JavaScript, and to specify the type of cleaning you expect to be done on values.
|
|
*
|
|
* @package core
|
|
* @category preference
|
|
* @param string $name the name of the user_perference we should allow to be updated by remote calls.
|
|
* @param integer $paramtype one of the PARAM_{TYPE} constants, user to clean submitted values before set_user_preference is called.
|
|
* @return null
|
|
*/
|
|
function user_preference_allow_ajax_update($name, $paramtype) {
|
|
global $USER, $PAGE;
|
|
|
|
// Record in the session that this user_preference is allowed to updated remotely.
|
|
$USER->ajax_updatable_user_prefs[$name] = $paramtype;
|
|
}
|
|
|
|
/**
|
|
* Returns whether ajax is enabled/allowed or not.
|
|
* @param array $browsers optional list of alowed browsers, empty means use default list
|
|
* @return bool
|
|
*/
|
|
function ajaxenabled(array $browsers = null) {
|
|
global $CFG;
|
|
|
|
if (!empty($browsers)) {
|
|
$valid = false;
|
|
foreach ($browsers as $brand => $version) {
|
|
if (core_useragent::check_browser_version($brand, $version)) {
|
|
$valid = true;
|
|
}
|
|
}
|
|
|
|
if (!$valid) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
$ie = core_useragent::check_browser_version('MSIE', 6.0);
|
|
$ff = core_useragent::check_browser_version('Gecko', 20051106);
|
|
$op = core_useragent::check_browser_version('Opera', 9.0);
|
|
$sa = core_useragent::check_browser_version('Safari', 412);
|
|
$ch = core_useragent::check_browser_version('Chrome', 6);
|
|
|
|
if (!$ie && !$ff && !$op && !$sa && !$ch) {
|
|
/** @see http://en.wikipedia.org/wiki/User_agent */
|
|
// Gecko build 20051107 is what is in Firefox 1.5.
|
|
// We still have issues with AJAX in other browsers.
|
|
return false;
|
|
}
|
|
|
|
if (!empty($CFG->enableajax)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|