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poodllresourcelib.php
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<?php // $Id: poodllresourcelib.php,v 1.119.2.13 2008/07/10 09:48:44 scyrma Exp $
/**
* Code for PoodLL clients(widgets), in particular filter setup and plumbing.
*
*
* @author Justin Hunt
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*/
/**
* Show a mediaplayer loaded with a media
*
* @param integer $mediaid The id of the media to show
*/
define('TEACHERSTREAMNAME','voiceofauthority');
//some constants for the type of media resource
define('MR_TYPEVIDEO',0);
define('MR_TYPEAUDIO',1);
define('MR_TYPETALKBACK',2);
global $PAGE, $FPLAYERJSLOADED, $EMBEDJSLOADED;
//Establish if PoodLL filter is enabled
/*
$poodllenabled=false;
$context = $PAGE->context;
$filters = filter_get_active_in_context($context);
if (array_key_exists("filter_poodll",$filters)){
$poodllenabled =true;
}
*/
//these are required by poodll filter
require_once($CFG->dirroot . '/filter/poodll/poodllinit.php');
require_once($CFG->dirroot . '/filter/poodll/Browser.php');
$PAGE->requires->js(new moodle_url($CFG->httpswwwroot . '/filter/poodll/flash/swfobject_22.js'));
//we need this for embedding widgets it only works in head (hence the 'true' flag)
//adn we set theglobal to try to ensure it is only loaded once. Later we could try to optimize this and call it from footer
if(!$PAGE->requires->is_head_done()){
$PAGE->requires->js(new moodle_url($CFG->httpswwwroot . '/filter/poodll/flash/embed-compressed.js'),true);
$EMBEDJSLOADED=true;
}else{
$EMBEDJSLOADED=false;
}
//added for moodle 2
require_once($CFG->libdir . '/filelib.php');
//Trying to get the Flowplayer JS loaded nicely has been very tricky
//this function checks if we should load it or not. If it is not the default player
//and we are not intercepting mp3 or flv or mp4 links, we don't load it. If we do
//it messes up the multimedia plugin. Justin 20120924
function shouldLoadFlowPlayerJS(){
global $CFG;
//If the PoodLL filter is using the flowplayer by default and handling media file extensions,
//return true
if ($CFG->filter_poodll_defaultplayer =='fp'
&& ($CFG->filter_poodll_handleflv
|| $CFG->filter_poodll_handlemp4
|| $CFG->filter_poodll_handlemp3)
){
return true;
}else{
return false;
}
}
//this is a legacy function, could probably be removed. Justin 20120924
function fetch_slidemenu($runtime){
global $CFG, $USER, $COURSE;
if (!empty($USER->username)){
$mename=$USER->username;
}else{
$mename="guest_" + rand(100000, 999999);
}
$flvserver = $CFG->poodll_media_server;
$homeurl = $CFG->wwwroot ;
$courseid =$COURSE->id;
$partone= '<script type="text/javascript">
lzOptions = { ServerRoot: \'\'};
</script>';
$parttwo = '<script type="text/javascript" src="' . $CFG->wwwroot . '/filter/poodll/flash/embed-compressed.js"></script>';
$partthree = '<script type="text/javascript">
lz.embed.swf({url: \'' . $CFG->wwwroot . '/filter/poodll/flash/slidemenu.lzx.swf9.swf?bcolor=0xFF0000&lzproxied=false&slidewidth=247&slideheight=96&red5url='.urlencode($flvserver).
'&homeurl=' . $homeurl . '&courseid=' . $courseid .
'&lzproxied=false\', bgcolor: \'#cccccc\', width: \'400\', height: \'96\', id: \'lzapp_slide_' . rand(100000, 999999) . '\', accessible: \'false\'});
</script>
<noscript>
Please enable JavaScript in order to use this application.
</noscript>';
return $partone . $parttwo . $partthree;
}
//This fetches the admin console for pairwork and screencasting
function fetch_poodllconsole($runtime ){
global $CFG, $USER, $COURSE;
$broadcastkey="1234567";
$mename="";
//Set the camera prefs
$capturewidth=$CFG->filter_poodll_capturewidth;
$captureheight=(string)(0.75 * intval($CFG->filter_poodll_capturewidth));
$capturefps=$CFG->filter_poodll_capturefps;
$prefcam=$CFG->filter_poodll_screencapturedevice;
$prefmic=$CFG->filter_poodll_studentmic;
$bandwidth=$CFG->filter_poodll_bandwidth;
$picqual=$CFG->filter_poodll_picqual;
$cameraprefs= '&capturefps=' . $capturefps . '&captureheight=' . $captureheight . '&picqual=' . $picqual . '&bandwidth=' . $bandwidth . '&capturewidth=' . $capturewidth . '&prefmic=' . $prefmic . '&prefcam=' . $prefcam;
$flvserver = $CFG->poodll_media_server;
$teacherpairstreamname="voiceofauthority";
//auto try ports
$autotryports = $CFG->filter_poodll_autotryports==1 ? "true" : "false" ;
if ($mename=="" && !empty($USER->username)){
$mename=$USER->username;
$mefullname=fullname($USER);
$mepictureurl=fetch_user_picture($USER,35);
}
//if courseid not passed in, try to get it from global
$courseid=$COURSE->id;
//We need a moodle serverid
$moodleid = fetch_moodleid();
//put in a coursedataurl
$coursedataurl= $CFG->wwwroot . '/filter/poodll/poodlllogiclib.php%3F';
//Show the buttons window if we are admin
//Also won't receive messages intended for students if we are admin. Be aware.
if (has_capability('mod/quiz:preview', context_course::instance($courseid))){
$am="admin";
}else{
$am="0";
}
//here we setup the url and params for the admin console
$baseUrl = $CFG->wwwroot . '/filter/poodll/flash/poodllconsole.lzx.swf9.swf';
$params= '?red5url='.urlencode($flvserver).
'&mename=' . $mename . '&courseid=' . $courseid .
'&moodleid=' . $moodleid .
'&autotryports=' . $autotryports .
'&teacherpairstreamname=' . $teacherpairstreamname .
$cameraprefs .
'&coursedataurl=' . $coursedataurl . '&broadcastkey=' . $broadcastkey .
'&lzr=swf9&runtime=swf9';
//create our embed tags
$partone= '<script type="text/javascript">lzOptions = { ServerRoot: \'\'};</script>';
$parttwo = '<script type="text/javascript" src="' . $CFG->wwwroot . '/filter/poodll/flash/embed-compressed.js"></script>';
$partthree='<script type="text/javascript">lz.embed.swf({url: \'' . $baseUrl . $params.
'\' , width: \'1000\', height: \'750\', id: \'lzapp_admin_console\', accessible: \'false\'});
</script>
<noscript>
Please enable JavaScript in order to use this application.
</noscript>';
return $partone . $parttwo . $partthree;
}
//In Moodle 1.9 we had a dedicated header for controlling the client,
//may bring it back with a special PoodLL theme, so code remains Justin 20120924
function fetch_poodllheader($runtime){
global $CFG, $USER, $COURSE;
if (!empty($USER->username)){
$mename=$USER->username;
}else{
$mename="guest_" + rand(100000, 999999);
}
$coursedataurl=$CFG->wwwroot . "/filter/poodll/poodlllogiclib.php";
$flvserver = $CFG->poodll_media_server;
$bcsturl =urlencode(fetch_screencast_subscribe($runtime,$mename));
//$clnturl =urlencode(fetch_clientconsole($coursedataurl,,false));
$clnturl =urlencode($CFG->wwwroot . '/lib/' . 'poodllclientconsole.php?coursedataurl=' . urlencode($coursedataurl) . '&courseid=' . $COURSE->id);
$bcstadmin =urlencode(fetch_screencast_broadcast($runtime,$mename));
$pairsurl =urlencode(fetch_pairclient($runtime,$mename));
$interviewurl=urlencode(fetch_interviewclient($runtime,$mename));
$jumpurl=urlencode(fetch_jumpmaker($runtime,$mename));
$showwidth=$CFG->filter_poodll_showwidth;
$showheight=$CFG->filter_poodll_showheight;
//Show the buttons window if we are admin
//Also won't receive messages intended for students if we are admin. Be aware.
if (has_capability('mod/quiz:preview', context_course::instance($COURSE->id))){
$am="admin";
}else{
$am="0";
}
$partone= '<script type="text/javascript">
lzOptions = { ServerRoot: \'\'};
</script>';
$parttwo = '<script type="text/javascript" src="' . $CFG->wwwroot . '/filter/poodll/flash/embed-compressed.js"></script>';
$partthree = '<script type="text/javascript">
lz.embed.swf({url: \'' . $CFG->wwwroot . '/filter/poodll/flash/poodllheader.lzx.swf9.swf?bcolor=0xFF0000&lzproxied=false&red5url='.urlencode($flvserver).
'&mename=' . $mename . '&courseid=' . $COURSE->id . '&clnturl=' . $clnturl . '&bcsturl=' . $bcsturl . '&bcstadmin=' . $bcstadmin . '&pairsurl=' . $pairsurl . '&interviewurl=' . $interviewurl . '&jumpurl=' . $jumpurl . '&broadcastheight=' . $showheight .
'&lzproxied=false\', bgcolor: \'#cccccc\', width: \'2\', height: \'2\', id: \'lzapp_poodllheader_' . rand(100000, 999999) . '\', accessible: \'false\'});
</script>
<noscript>
Please enable JavaScript in order to use this application.
</noscript>';
return $partone . $parttwo . $partthree;
}
//Because the moodleid is appended to URLs in some PoodLL requests we need to urlencode.
//But some encoded characters mess up shared objects if decode is not called properly.
//Since we are just creating an id, it does not need to be reconstructed, so we just
//play it safe and call this function instead of simply urlencode($CFG->wwwroot)
function fetch_moodleid(){
global $CFG;
$moodleid = $CFG->wwwroot;
$splitindex = strpos($moodleid,":");
$moodleid = substr($moodleid,$splitindex+1);
$moodleid = str_replace("/","_",$moodleid);
return $moodleid;
}
//this is the code to get the embed code for the poodllpairwork client
//We separate the embed and non embed into two functions
//unlike with clientconsole and adminconsole, because of the need for width and height params.
function fetch_embeddablepairclient($runtime, $width,$height,$chat,$whiteboard, $showvideo,$whiteboardback,$useroles=false){
global $CFG;
//laszlo client expects "true" or "false" so this line is defunct. Thoug we need to standardise how we do this.
//$showvideo = ($showvideo=="true");
return('
<script type="text/javascript">
lzOptions = { ServerRoot: \'\'};
</script>
<script type="text/javascript" src="' . $CFG->wwwroot . '/filter/poodll/flash/embed-compressed.js"></script>
<script type="text/javascript">
lz.embed.swf({url: \'' . fetch_pairclient($runtime,$chat,$whiteboard, $showvideo,$whiteboardback,$useroles) . '\', bgcolor: \'#cccccc\', width: \''. $width . '\', height: \'' . $height .'\', id: \'lzapp_' . rand(100000, 999999) . '\', accessible: \'false\'});
</script>
<noscript>
Please enable JavaScript in order to use this application.
</noscript>
');
}
//this is the code to get a poodllpairwork client for display without embedding
//in the poodll header section of a moodle page as an inline page, or in a popup
function fetch_pairclient($runtime, $chat=true, $whiteboard=true, $showvideo=false,$whiteboardback="", $useroles=false){
global $CFG, $USER, $COURSE;
if (!empty($USER->username)){
$mename=$USER->username;
$mefullname=fullname($USER);
$mepictureurl=fetch_user_picture($USER,120);
}else{
//this is meaningless currently, there is no current way to do pairs
//with guest. Lets call it "casual poodllpairwork." Butin future it is possible
$mename="guest_" + rand(100000, 999999);
$mefullname="guest";
$mepictureurl="";
}
//Set the servername
$flvserver = $CFG->poodll_media_server;
//auto try ports
$autotryports = $CFG->filter_poodll_autotryports==1 ? "true" : "false" ;
//in order that this works effectively on tokyo.poodll.com which services multiple Moodles
//we should change courseid (which creates a kind of virtual "room") to use the domainname of Moodle server
$courseid = $COURSE->id;
$moodleid=fetch_moodleid();
$baseUrl = $CFG->wwwroot . '/filter/poodll/flash/newpairclient.lzx.swf9.swf';
$params = '?red5url='.urlencode($flvserver) . '&mename=' . $mename . '&mefullname=' . $mefullname . '&mepictureurl=' . urlencode($mepictureurl)
. '&chat=' . $chat . '&autotryports=' . $autotryports . '&courseid=' . $courseid . '&moodleid=' . $moodleid .'&useroles=' . $useroles . '&whiteboard=' . $whiteboard . '&whiteboardback=' . $whiteboardback . '&showvideo=' . $showvideo .'&teacherallstreamname=voiceofauthority&lzproxied=false';
return $baseUrl . $params;
}
//this is a stub which we will need to fill in later
//with the real code
function fetch_interviewclient($runtime){
return "";
}
//this is a stub which we will need to fill in later
//with the real code
function fetch_jumpmaker($runtime){
global $CFG, $USER;
if (!empty($USER->username)){
$mename=$USER->username;
}else{
$mename="guest_" + rand(100000, 999999);
}
//Set the servername
$flvserver = $CFG->poodll_media_server;
$baseUrl = $CFG->wwwroot . '/filter/poodll/flash/jumpmaker.lzx.swf';
$params = '?red5url='.urlencode($flvserver) . '&mename=' . $mename;
return $baseUrl . $params;
}
function fetch_poodllpalette($runtime, $width=800, $height=300){
global $CFG, $USER, $COURSE;
//Set the servername
$flvserver = $CFG->poodll_media_server;
$width=800;
//$coursefilesurl = $CFG->wwwroot . '/lib/editor/htmlarea/poodll-coursefiles.php?id=' . $COURSE->id;
// The ID of the current module (eg moodleurl/view.php?id=X ) or in edit mode update=X
$moduleid = optional_param('update', "-1", PARAM_INT);
if($moduleid==-1) {$moduleid = optional_param('id', "-1", PARAM_INT); }
$coursefilesurl = $CFG->wwwroot . '/filter/poodll/poodlllogiclib.php?courseid=' . $COURSE->id . '&datatype=instancedirlist¶mone=ignore¶mtwo=content&moduleid=' . $moduleid;
$componentlist = $CFG->wwwroot . '/filter/poodll/flash/componentlist.xml';
$poodlllogicurl = $CFG->wwwroot . '/filter/poodll/poodlllogiclib.php';
//Set the camera prefs
$capturewidth=$CFG->filter_poodll_capturewidth;
$captureheight=(string)(0.75 * intval($CFG->filter_poodll_capturewidth));
$capturefps=$CFG->filter_poodll_capturefps;
$prefcam=$CFG->filter_poodll_studentcam;
$prefmic=$CFG->filter_poodll_studentmic;
$bandwidth=$CFG->filter_poodll_bandwidth;
$picqual=$CFG->filter_poodll_picqual;
$cameraprefs= '&capturefps=' . $capturefps . '&captureheight=' . $captureheight . '&picqual=' . $picqual . '&bandwidth=' . $bandwidth . '&capturewidth=' . $capturewidth . '&prefmic=' . $prefmic . '&prefcam=' . $prefcam;
//merge config data with javascript embed code
$params = array();
$params['red5url'] = urlencode($flvserver);
$params['poodlllogicurl'] = $poodlllogicurl . $cameraprefs ;
$params['courseid'] = $COURSE->id;
$params['filename'] = 'amediafile';
$params['coursefiles'] = urlencode($coursefilesurl) ;
$params['componentlist'] = urlencode($componentlist);
$returnString= fetchSWFWidgetCode('poodllpalette.lzx.swf10.swf',
$params,$width,$height,'#FFFFFF');
return $returnString ;
}
function fetch_screencast_subscribe($runtime, $mename="", $embed=false, $width=600, $height=350,$broadcastkey="1234567"){
global $CFG, $USER, $COURSE;
//Set the servername
$flvserver = $CFG->poodll_media_server;
//moodle id
$moodleid = fetch_moodleid();
//get my name
if($mename==""){$mename=$USER->username;}
//Set the display sizes
$showwidth=$width;
if($showwidth==0){$showwidth=$CFG->filter_poodll_showwidth;}
$showheight=$height;
if($showheight==0){$showheight=$CFG->filter_poodll_showheight;}
//get the main url of the screensubcribe client
$baseUrl = $CFG->wwwroot . '/filter/poodll/flash/screensubscribe.lzx.swf9.swf';
$params = '?red5url='.urlencode($flvserver). '&broadcastkey='.$broadcastkey. '&showwidth='.$showwidth. '&showheight='.$showheight.'&courseid='.$COURSE->id . '&moodleid=' . $moodleid .'&mename='.$mename;
//return $baseUrl . $params;
//if necessary return the embed code, otherwise just return the url
if (!$embed){
return $baseUrl . $params;
}else{
return('
<script type="text/javascript">
lzOptions = { ServerRoot: \'\'};
</script>
<script type="text/javascript" src="' . $CFG->wwwroot . '/filter/poodll/flash/embed-compressed.js"></script>
<script type="text/javascript">
lz.embed.swf({url: \'' . $baseUrl . $params . '\', bgcolor: \'#cccccc\', width: \''. ($showwidth+10) . '\', height: \'' . ($showheight+10) .'\', id: \'lzapp_screensubscribe_' . rand(100000, 999999) . '\', accessible: \'false\'});
</script>
<noscript>
Please enable JavaScript in order to use this application.
</noscript>
');
}
}
function fetch_screencast_broadcast($runtime, $mename){
global $CFG, $USER, $COURSE;
//Set the servername
$flvserver = $CFG->poodll_media_server;
$broadcastkey="1234567";
$capturedevice = $CFG->filter_poodll_screencapturedevice;
$baseUrl = $CFG->wwwroot . '/filter/poodll/flash/screenbroadcast.lzx.swf';
$params = '?red5url='.urlencode($flvserver). '&broadcastkey='.$broadcastkey. '&capturedevice='.$capturedevice. '&mename='.$mename;
return $baseUrl . $params;
}
function fetch_teachersrecorder($runtime, $filename="", $updatecontrol){
global $CFG, $USER, $COURSE;
//Set the servername
$flvserver = $CFG->poodll_media_server;
if ($filename == ""){
$filename = $CFG->filter_poodll_filename;
}
//Set the camera prefs
$capturewidth=$CFG->filter_poodll_capturewidth;
$captureheight=(string)(0.75 * intval($CFG->filter_poodll_capturewidth));
$capturefps=$CFG->filter_poodll_capturefps;
$prefcam=$CFG->filter_poodll_studentcam;
$prefmic=$CFG->filter_poodll_studentmic;
$bandwidth=$CFG->filter_poodll_bandwidth;
$picqual=$CFG->filter_poodll_picqual;
$cameraprefs= '&capturefps=' . $capturefps . '&captureheight=' . $captureheight . '&picqual=' . $picqual . '&bandwidth=' . $bandwidth . '&capturewidth=' . $capturewidth . '&prefmic=' . $prefmic . '&prefcam=' . $prefcam;
//If we are using course ids then lets do that
//else send -1 to widget (ignore flag)
if ($CFG->filter_poodll_usecourseid){
$courseid = $COURSE->id;
}else{
$courseid = -1;
}
//merge config data with javascript embed code
$params = array();
$params['red5url'] = urlencode($flvserver);
$params['updatecontrol'] = $updatecontrol;
$params['course'] = $courseid;
$params['filename'] = $filename . $cameraprefs;
$returnString= fetchSWFWidgetCode('PoodLLTeachersRecorder.lzx.swf9.swf',
$params,$CFG->filter_poodll_talkbackwidth,$CFG->filter_poodll_talkbackheight,'#CCCCCC');
return $returnString ;
}
function fetch_whiteboard($runtime, $boardname, $imageurl="", $slave=false,$rooms="", $width=0,$height=0, $mode='normal',$standalone='false'){
global $CFG, $USER,$COURSE;
//head off to the correct whiteboard as defined in config
if(!isOldIE()){
switch($CFG->filter_poodll_defaultwhiteboard){
case 'literallycanvas':
$forsubmission = false;
//unable to get literally canvas going on Moodle 2.9
//so temporarily using drawingboard
if($CFG->version < 2015051100){
return fetchLiterallyCanvas($forsubmission,$width,$height,$imageurl);
}else{
return fetchDrawingBoard($forsubmission,$width,$height,$imageurl);
}
break;
case 'drawingboard':
$forsubmission = false;
return fetchDrawingBoard($forsubmission,$width,$height,$imageurl);
break;
default:
}
}
//set default size if necessary
if($width==0){ $width=$CFG->filter_poodll_whiteboardwidth;}
if($height==0){$height=$CFG->filter_poodll_whiteboardheight;}
//Set the servername
$flvserver = $CFG->poodll_media_server;
//If standalone, then lets standalonify it
if($standalone == 'true'){
$boardname="solo";
}
//Determine if we are admin, if necessary , for slave/master mode
if ($slave && has_capability('mod/quiz:preview', context_course::instance($COURSE->id))){
$slave=false;
}
//whats my name...? my name goddamit, I can't remember N A mm eeeE
$mename=$USER->username;
//merge config data with javascript embed code
$params = array();
$params['red5url'] = urlencode($flvserver);
$params['mename'] = $mename;
$params['boardname'] = $boardname;
$params['imageurl'] = $imageurl;
$params['courseid'] = $COURSE->id;
$params['rooms'] = $rooms;
//Are we merely a slave to the admin whiteboard ?
if ($slave){
//adjust size for borders and control panel
//the board size is the size of the drawing canvas, not the widget
$width = $width + 20;
$height = $height + 20;
$widgetstring= fetchSWFWidgetCode('scribbleslave.lzx.swf9.swf',
$params,$width,$height,'#FFFFFF');
}else{
//normal mode is a standard scribble with a cpanel
//simple mode has a simple double click popup menu
if ($mode=='normal'){
//adjust size for borders and control panel
//the board size is the size of the drawing canvas, not the widget
$width = $width + 205;
$height = $height + 20;
if($runtime=='js'){
$widgetstring= fetchJSWidgetCode('scribbler.lzx.js',
$params,$width,$height,'#FFFFFF');
}elseif($runtime=='auto'){
$widgetstring= fetchAutoWidgetCode('scribbler.lzx.swf9.swf',
$params,$width,$height,'#FFFFFF');
}else{
$widgetstring= fetchSWFWidgetCode('scribbler.lzx.swf9.swf',
$params,$width,$height,'#FFFFFF');
}
}else{
//adjust size for borders and control panel
//the board size is the size of the drawing canvas, not the widget
$width = $width + 20;
$height = $height + 20;
if($runtime=='js'){
$widgetstring= fetchJSWidgetCode('simplescribble.lzx.js',
$params,$width,$height,'#FFFFFF');
}elseif($runtime=='auto'){
$widgetstring= fetchAutoWidgetCode('simplescribble.lzx.swf9.swf',
$params,$width,$height,'#FFFFFF');
}else{
$widgetstring= fetchSWFWidgetCode('simplescribble.lzx.swf9.swf',
$params,$width,$height,'#FFFFFF');
}
}
}
return $widgetstring;
}
//In Moodle 2, we may try to save the recordings, but right now we don't - Justin 20120921
function fetchTalkbackPlayer($runtime, $descriptor_file, $streamtype="http",$recordable="false",$savefolder="default"){
global $CFG, $USER,$COURSE;
//Set the servername
$flvserver = $CFG->poodll_media_server;
//for now the save directory is just the root of the Red5 record place.
//when we do submissions this will probably still be the same location .
$fileroot="";
//In Moodle 2 random F names should always be the case
$randomfnames="true";
//streamtype will always be HTTP or YUTU
//$streamtype="http";
$courseid="";
//We need a filepath stub, just in case for fetching xml and media files
$basefile = $CFG->{'wwwroot'} . "/" . $CFG->{'filter_poodll_datadir'} . "/";
//merge config data with javascript embed code
$params = array();
$params['red5url'] = urlencode($flvserver);
$params['basefile'] = $basefile;
$params['recordable'] = $recordable;
$params['fileroot'] = $fileroot;
$params['randomfnames'] = $randomfnames;
$params['courseid'] = $courseid;
$params['username'] = $USER->id;
$params['streamtype'] = $streamtype;
$params['mediadescriptor'] = $basefile . $descriptor_file;
$returnString= fetchSWFWidgetCode('talkback.lzx.swf9.swf',
$params,$CFG->filter_poodll_talkbackwidth,$CFG->filter_poodll_talkbackheight,'#FFFFFF');
return $returnString ;
}
function fetchTalkbackPlayerOld($runtime, $descriptor_file, $streamtype="rtmp",$recordable="false",$savefolder="default"){
global $CFG, $USER,$COURSE;
//Set the servername
$flvserver = $CFG->poodll_media_server;
//for now these are fixed, but in future we might add the assignment id to the fileroot and turn off the randomnames
//then it would be reviewable again in the future by the students.
$fileroot= "moddata/talkbackstreams/" . $savefolder;
if($CFG->filter_poodll_overwrite){
$randomfnames="false";
}else{
$randomfnames="true";
}
//We need a filepath stub, just in case for http streaming
//and for fetching splash screens from data directory
//We also need a stub for course id, 0 if we are not using it.
//If we are recording we need an rtmp stream
//and that needs to know the course id (or lack of)
if ($CFG->filter_poodll_usecourseid){
$basefile= $CFG->wwwroot . "/file.php/" . $COURSE->id . "/" ;
$courseid=$COURSE->id . "/";
}else{
$basefile= $CFG->wwwroot . "/file.php/" ;
$courseid="";
}
//merge config data with javascript embed code
$params = array();
$params['red5url'] = urlencode($flvserver);
$params['basefile'] = $basefile;
$params['recordable'] = $recordable;
$params['fileroot'] = $fileroot;
$params['randomfnames'] = $randomfnames;
$params['courseid'] = $courseid;
$params['username'] = $USER->id;
$params['streamtype'] = $streamtype;
$params['mediadescriptor'] = $basefile . $descriptor_file;
$returnString= fetchSWFWidgetCode('talkback.lzx.swf9.swf',
$params,$CFG->filter_poodll_talkbackwidth,$CFG->filter_poodll_talkbackheight,'#FFFFFF');
return $returnString ;
}
function fetchSimpleAudioRecorder($runtime, $assigname, $userid="", $updatecontrol="saveflvvoice", $filename="",$width="350",$height="200",$timelimit="0"){
global $CFG, $USER, $COURSE, $PAGE;
//Set the servername
$flvserver = $CFG->poodll_media_server;
//Set the microphone config params
$micrate = $CFG->filter_poodll_micrate;
$micgain = $CFG->filter_poodll_micgain;
$micsilence = $CFG->filter_poodll_micsilencelevel;
$micecho = $CFG->filter_poodll_micecho;
$micloopback = $CFG->filter_poodll_micloopback;
$micdevice = $CFG->filter_poodll_studentmic;
//If we are using course ids then lets do that
//else send -1 to widget (ignore flag)
if ($CFG->filter_poodll_usecourseid){
$courseid = $COURSE->id;
}else{
$courseid = -1;
}
//set up auto transcoding (mp3) or not
if($CFG->filter_poodll_audiotranscode){
$saveformat = "mp3";
}else{
$saveformat = "flv";
}
//If no user id is passed in, try to get it automatically
//Not sure if this can be trusted, but this is only likely to be the case
//when this is called from the filter. ie not from an assignment.
if ($userid=="") $userid = $USER->username;
//Stopped using this
//$filename = $CFG->filter_poodll_filename;
$overwritemediafile = $CFG->filter_poodll_overwrite==1 ? "true" : "false" ;
if ($updatecontrol == "saveflvvoice"){
$savecontrol = "<input name='saveflvvoice' type='hidden' value='' id='saveflvvoice' />";
}else{
$savecontrol = "";
}
//auto try ports, try 2 x on standard port, then 80, then 1935,then 80,1935 ad nauseum
$autotryports = $CFG->filter_poodll_autotryports==1 ? "yes" : "no" ;
$params = array();
$params['red5url'] = urlencode($flvserver);
$params['overwritefile'] = $overwritemediafile;
$params['rate'] = $micrate;
$params['gain'] = $micgain;
$params['prefdevice'] = $micdevice;
$params['loopback'] = $micloopback;
$params['echosupression'] = $micecho;
$params['silencelevel'] = $micsilence;
$params['filename'] = "123456.flv";
$params['assigName'] = $assigname;
$params['course'] = $courseid;
$params['updatecontrol'] = $updatecontrol;
$params['saveformat'] = $saveformat;
$params['uid'] = $userid;
$params['timelimit'] = $timelimit;
$params['autotryports'] = $autotryports;
//fetch and merge lang params
$langparams = filter_poodll_fetch_recorder_strings();
$params = array_merge($params, $langparams);
$returnString= fetchSWFWidgetCode('PoodLLAudioRecorder.lzx.swf9.swf',
$params,$width,$height,'#CFCFCF');
$returnString .= $savecontrol;
return $returnString ;
}
function fetchMP3SkinnedRecorderForSubmission($params,$skin){
global $CFG;
$poodll_audio_url = $CFG->wwwroot . "/filter/poodll/mp3recorderskins";
$params['poodll_audio_url'] = $poodll_audio_url;
$width="240";
$height="170";
//$params['callbackjs']= 'poodll_audiosdk.audiohelper.poodllcallback';
$iframe_src_url = new Moodle_URL("/filter/poodll/mp3recorderskins/$skin/index.php",$params);
$ret = html_writer::tag('iframe','',array('src'=>$iframe_src_url->out(false),'frameBorder'=>0,'scrolling'=>'none','allowTransparency'=>'true','class'=>'filter_poodll_mp3skinned_recorder'));
return $ret;
}
function fetchMP3RecorderForSubmission($updatecontrol, $contextid,$component,$filearea,$itemid,$timelimit="0",$callbackjs=false){
global $CFG, $USER, $COURSE;
//get our HTML5 Uploader if we have a mobile device
if(isMobile($CFG->filter_poodll_html5rec)){
if(!canDoUpload()){
$ret ="<div class='mobile_os_version_warning'>" . get_string('mobile_os_version_warning', 'filter_poodll') . "</div>";
}else{
$ret = fetch_HTML5RecorderForSubmission($updatecontrol, $contextid,$component,$filearea,$itemid, "audio",false,$callbackjs);
}
return $ret;
}
//Set the microphone config params
$micrate = $CFG->filter_poodll_micrate;
$micgain = $CFG->filter_poodll_micgain;
$micsilence = $CFG->filter_poodll_micsilencelevel;
$micecho = $CFG->filter_poodll_micecho;
$micloopback = $CFG->filter_poodll_micloopback;
$micdevice = $CFG->filter_poodll_studentmic;
//get the recorder skin
$skin=$CFG->filter_poodll_mp3skin;
$size =$CFG->filter_poodll_mp3recorder_size;
//$size='tiny';
//$size='normal';
//removed from params to make way for moodle 2 filesystem params Justin 20120213
if($size=='normal'){
$width="350";
$height="200";
}else{
$width="240";
$height="170";
}
$poodllfilelib= $CFG->wwwroot . '/filter/poodll/poodllfilelib.php';
//we can add or remove this, but right now, testing how good it works
$autosubmit="true";
//If we are using course ids then lets do that
//else send -1 to widget (ignore flag)
if ($CFG->filter_poodll_usecourseid){
$courseid = $COURSE->id;
}else{
$courseid = -1;
}
//can we pause or not
if ($CFG->filter_poodll_miccanpause == 1){
$canpause = 'true';
}else{
$canpause = 'false';
}
if ($updatecontrol == "saveflvvoice"){
$savecontrol = "<input name='saveflvvoice' type='hidden' value='' id='saveflvvoice' />";
}else{
$savecontrol = "";
}
//setup config for recirder
$params = array();
$params['rate'] = $micrate;
$params['gain'] = $micgain;
$params['prefdevice'] = $micdevice;
$params['loopback'] = $micloopback;
$params['echosupression'] = $micecho;
$params['silencelevel'] = $micsilence;
$params['course'] = $courseid;
$params['updatecontrol'] = $updatecontrol;
$params['uid'] = $USER->id;
//for file system in moodle 2
/*
$params['poodllfilelib'] = $poodllfilelib;
$params['contextid'] = $contextid;
$params['component'] = $component;
$params['filearea'] = $filearea;
$params['itemid'] = $itemid;
*/
//using generic mp3 recorder these dats
$params['posturl'] = $poodllfilelib;
$params['p1'] = $updatecontrol;
$params['p2'] = $contextid;
$params['p3'] = $component;
$params['p4'] = $filearea;
$params['p5'] = $itemid;
//$params['chipmunk'] = 'yes';
$params['autosubmit'] = $autosubmit;
$params['timelimit'] = $timelimit;
$params['canpause'] = $canpause;
$params['size'] = $size;
//fetch and merge lang params
$langparams = filter_poodll_fetch_recorder_strings();
$params = array_merge($params, $langparams);
//callbackjs
if($callbackjs){
$params['callbackjs'] = $callbackjs;
}
//this is the old recorder. (if it has MP3Recorder ie er, its old)
/*
$returnString= fetchSWFWidgetCode('PoodLLMP3Recorder.lzx.swf10.swf',
$params,$width,$height,'#CFCFCF');
*/
if($skin && $skin != 'none'){
$returnString = fetchMP3SkinnedRecorderForSubmission($params,$skin);
}else{
$returnString= fetchSWFWidgetCode('PoodllMP3Record.lzx.swf10.swf',
$params,$width,$height,'#CFCFCF');
}
$returnString .= $savecontrol;
return $returnString ;
}
/*
* The literally canvas whiteboard
*
*/
function fetchLiterallyCanvas($forsubmission=true,$width=0,$height=0,$backimage="",
$updatecontrol="", $contextid=0,$component="",$filearea="",$itemid=0,
$callbackjs=false,$vectorcontrol="",$vectordata=""){
global $CFG, $USER, $COURSE,$PAGE;
//javascript upload handler
$opts =Array();
if($backimage !=''){
$opts['backgroundimage'] = $backimage;
//$opts['bgimage'] = $backimage;
$opts['backgroundcolor'] = 'transparent';
}else{
$opts['backgroundcolor'] = 'whiteSmoke';
}
if($CFG->filter_poodll_autosavewhiteboard && $forsubmission){
$opts['autosave'] = $CFG->filter_poodll_autosavewhiteboard;
}
//imageurlprefix, that LC requires
$opts['imageurlprefix']= $CFG->httpswwwroot . '/filter/poodll/js/literallycanvas.js/img';
$opts['recorderid']= 'literallycanvas_' . time() . rand(10000,999999);
$opts['callbackjs']= $callbackjs;
$opts['updatecontrol']= $updatecontrol;
$opts['vectorcontrol'] = $vectorcontrol;
$opts['base64control'] = '';//do this later
$opts['vectordata'] = $vectordata;
//We need this so that we can require the JSON , for json stringify
$jsmodule = array(
'name' => 'filter_poodll',
'fullpath' => '/filter/poodll/module.js',
'requires' => array('json')
);
//setup our JS call
$PAGE->requires->js_init_call('M.filter_poodll.loadliterallycanvas', array($opts),false,$jsmodule);
//removed from params to make way for moodle 2 filesystem params Justin 20120213
if($width==0){ $width=$CFG->filter_poodll_whiteboardwidth;}
if($height==0){$height=$CFG->filter_poodll_whiteboardheight;}
$poodllfilelib= $CFG->wwwroot . '/filter/poodll/poodllfilelib.php';
//add the height of the control area, so that the user spec dimensions are the canvas size
$canvasheight = $height;
$canvaswidth = $width;
$height=$height + 65;
$width = $width + 60;
//the control to put the filename of our picture
if ($updatecontrol == "saveflvvoice"){
$savecontrol = "<input name='saveflvvoice' type='hidden' value='' id='saveflvvoice' />";
}else{
$savecontrol = "";
}
//set media type
$mediatype ="image";
//do what we have to do for moodle 2.9 and lower
if($CFG->version < 2013051400){
$PAGE->requires->js("/filter/poodll/js/literallycanvas.js/js/jquery-1.8.2.js");
$PAGE->requires->js("/filter/poodll/js/literallycanvas.js/js/react-0.10.0.js");
$PAGE->requires->js("/filter/poodll/js/literallycanvas.js/js/fastclick.js");
$PAGE->requires->js("/filter/poodll/js/literallycanvas.js/js/ie_customevent.js");
$PAGE->requires->js("/filter/poodll/js/literallycanvas.js/js/literallycanvas.min.js");
}else{
/* The story here is that LC require REACT. Both detect requirejs and do anon defines
/ So it should work. But LC doesn't load react properly. It uses a shim and has checks for react with a certain name and stuff
/ so I had to hack react to disable its requirejs/amd check at the top. then I load as per a usual js
/ below. Then LC freaks out somwhere in first.js because it cant load the children of something
// I think thats a jquery issue, because global $ didn't work in module.js wither J
// to compile js go to amd folder and: grunt --force
//
/
*/
//$PAGE->requires->js("/filter/poodll/js/literallycanvas.js/js/jquery-1.8.2.js");
$PAGE->requires->js("/filter/poodll/amd/build/react-with-addons.min.js");
//$PAGE->requires->js("/filter/poodll/amd/build/filterpoodll_literallycanvas.min.js");
$PAGE->requires->js_call_amd("filter_poodll/filterpoodll_literallycanvas",'init',array());
}
//this won't work in a quiz, and throws an error about trying to add to page head,
//when page head has already been output. So copy contents of this file to styles.css in poodllfilter
//$PAGE->requires->css(new moodle_url($CFG->wwwroot . '/filter/poodll/js/literallycanvas.js/css/literally.css'));