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MDL-25394 Improved support for mobile and device themes
This commit is contained in:
Anthony Forth
Sam Hemelryk
parent
16b5541dd2
commit
37959dd471
11 changed files with 534 additions and 70 deletions
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@ -7603,6 +7603,181 @@ function check_php_version($version='5.2.4') {
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return false;
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}
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/**
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* Returns whether a device/browser combination is mobile, tablet, legacy, default or the result of
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* an optional admin specified regular expression. If enabledevicedetection is set to no or not set
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* it returns default
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*
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* @return string device type
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*/
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function get_device_type() {
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global $CFG;
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if (empty($CFG->enabledevicedetection) || empty($_SERVER['HTTP_USER_AGENT'])) {
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return 'default';
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}
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$useragent = $_SERVER['HTTP_USER_AGENT'];
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if (!empty($CFG->devicedetectregex)) {
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$regexes = json_decode($CFG->devicedetectregex);
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foreach ($regexes as $value=>$regex) {
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if (preg_match($regex, $useragent)) {
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return $value;
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}
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}
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}
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//mobile detection PHP direct copy from open source detectmobilebrowser.com
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$phonesregex = '/android|avantgo|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i';
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$modelsregex = '/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|e\-|e\/|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(di|rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|xda(\-|2|g)|yas\-|your|zeto|zte\-/i';
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if (preg_match($phonesregex,$useragent)||preg_match($modelsregex,substr($useragent,0,4))){
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return 'mobile';
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}
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$tabletregex = '/Tablet browser|iPad|iProd|GT-P1000|GT-I9000|SHW-M180S|SGH-T849|SCH-I800|Build\/ERE27|sholest/i';
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if (preg_match($tabletregex, $useragent)) {
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return 'tablet';
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}
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if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 6.') !== false) {
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return 'legacy';
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}
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return 'default';
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}
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/**
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* Returns a list of the device types supporting by Moodle
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* @param boolean incusertypes includes types specified using the devicedetectregex admin setting
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* @return array $types
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*/
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function get_device_type_list($incusertypes = true) {
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global $CFG;
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$types = array('default', 'legacy', 'mobile', 'tablet');
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if ($incusertypes && !empty($CFG->devicedetectregex)) {
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$regexes = json_decode($CFG->devicedetectregex);
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foreach ($regexes as $value => $regex) {
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$types[] = $value;
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}
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}
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return $types;
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}
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/**
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* Returns the theme selected for a particular device or false if none selected.
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* @param string $themes
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* @param string $devicetype
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* @return string $theme or boolean false
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*/
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function get_selected_theme_for_device_type($devicetype = null) {
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global $CFG;
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if (empty($devicetype)) {
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$devicetype = get_device_type();
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//check if the user has switched theme, change $devicetype to default.
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$switched = get_user_switched_device($devicetype);
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if ($switched) {
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$devicetype = $switched;
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}
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}
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$themevarname = get_device_cfg_var_name($devicetype);
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if (empty($CFG->$themevarname)) {
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return false;
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}
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//prevent problems if a user installs themes
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if (!is_dir($CFG->dirroot.'/theme/'.$CFG->$themevarname)) {
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if ($devicetype == 'default') {
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return 'standard';
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} else {
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return false;
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}
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}
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return $CFG->$themevarname;
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}
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/**
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* Returns the name of the device type theme var in $CFG (because there is not a standard convention to allow backwards compatability
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* @param string $devicetype
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*/
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function get_device_cfg_var_name($devicetype = null) {
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if ($devicetype == 'default' || empty($devicetype)) {
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return 'theme';
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}
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return 'theme' . $devicetype;
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}
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/**
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* Returns device type or false if the user has switched theme to default for a device type
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* @param string $devicetype
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*/
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function get_user_switched_device($devicetype = null) {
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global $USER;
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if (empty($USER)) {
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return false;
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}
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if (empty($devicetype)) {
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$devicetype = get_device_type();
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}
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$switchdevice = get_user_preferences('switchdevice'.$devicetype);
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if (empty($switchdevice)) {
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return false;
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}
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return $switchdevice;
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}
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function switch_device($devicetype = null) {
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global $USER;
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if (is_null($devicetype)) {
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$devicetype = get_device_type();
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}
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$switcheddevice = get_user_preferences('switchdevice'.$devicetype);
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if (!empty($switcheddevice)) {
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$switcheddevice = false;
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} else {
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$pref = optional_param('switchdevice', '', PARAM_TEXT);
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if (!empty($pref)) {
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$switcheddevice = $pref;
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} else if ($devicetype == 'default') {
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$switcheddevice = 'mobile';
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} else {
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$switcheddevice = 'default';
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}
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}
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set_user_preference('switchdevice'.$devicetype, $switcheddevice);
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}
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/**
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* Returns one or several CSS class names that match the user's browser. These can be put
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* in the body tag of the page to apply browser-specific rules without relying on CSS hacks
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