js2/remoteMwEmbed.js

   1 /*
   2  * this file exposes some of the functionality of mwEmbed to wikis
   3  * that do not yet have js2 enabled
   4  */
   5
   6 var urlparts = getRemoteEmbedPath();
   7 var mwEmbedHostPath = urlparts[0];
   8 var mwRemoteVersion = '1.06';
   9 var mwUseScriptLoader = true;
  10
  11 //setup up request Params:
  12 var reqParts = urlparts[1].substring(1).split('&');
  13 var mwReqParam={};
  14 for(var i=0;i< reqParts.length; i++){
  15         var p = reqParts[i].split('=');
  16         if( p.length == 2 )
  17                 mwReqParam[ p[0] ] = p[1];
  18 }
  19
  20 addOnloadHook( function(){
  21         // Only do rewrites if MV_EMBED / js2 is "off"
  22         if( typeof MV_EMBED_VERSION == 'undefined' ) {
  23                 doPageSpecificRewrite();
  24         }
  25 });
  26
  27 function doPageSpecificRewrite() {
  28         // Add media wizard
  29         if( wgAction == 'edit' || wgAction == 'submit' ) {
  30                 load_mv_embed( function() {
  31                         loadExternalJs( mwEmbedHostPath + '/editPage.js?' + mwGetReqArgs() );
  32                 });
  33         }
  34
  35         // Timed text display:
  36         if(wgPageName.indexOf("TimedText") === 0){
  37                 load_mv_embed(function(){
  38                         // Load with mw loader to get localized interface:
  39                         $mw.load( ['mvTimeTextEdit'],function(){
  40                                 //could run init here (but mvTimeTextEdit included onLoad actions)
  41                         });
  42                 });
  43         }
  44
  45         // Firefogg integration
  46         if( wgPageName == "Special:Upload" ){
  47                 load_mv_embed( function() {
  48                         loadExternalJs( mwEmbedHostPath + '/uploadPage.js?' + mwGetReqArgs() );
  49                 } );
  50         }
  51
  52         // Special api proxy page
  53         if( wgPageName == 'MediaWiki:ApiProxy' ){
  54                 var wgEnableIframeApiProxy = true;
  55                 load_mv_embed( function() {
  56                         js_log("Wiki:ApiProxy::");
  57                         loadExternalJs( mwEmbedHostPath + '/apiProxyPage.js?' + mwGetReqArgs() );
  58                 });
  59         }
  60
  61         // OggHandler rewrite for view pages:
  62         var vidIdList = [];
  63         var divs = document.getElementsByTagName( 'div' );
  64         for( var i = 0; i < divs.length; i++ ) {
  65                 if( divs[i].id && divs[i].id.substring( 0, 11 ) == 'ogg_player_' ) {
  66                         vidIdList.push( divs[i].getAttribute( "id" ) );
  67                 }
  68         }
  69         if( vidIdList.length > 0 ) {
  70                 load_mv_embed( function() {
  71                         mvJsLoader.embedVideoCheck( function() {
  72                                 // Do utility rewrite of OggHandler content:
  73                                 rewrite_for_OggHandler( vidIdList );
  74                         } );
  75                 } );
  76         }
  77 }
  78 // This will be depreciated in favour of updates to OggHandler
  79 function rewrite_for_OggHandler( vidIdList ){
  80         function procVidId( vidId ){
  81                 //don't process empty vids
  82                 if(!vidId)
  83                         return ;
  84                 js_log('vidIdList on: ' + vidId +' length: ' + vidIdList.length + ' left in the set: ' + vidIdList );
  85
  86                 // Grab the thumbnail and src of the video
  87                 var pimg = $j( '#' + vidId + ' img' );
  88                 var poster_attr = 'poster = "' + pimg.attr( 'src' ) + '" ';
  89                 var pwidth = $j( '#' + vidId).width();
  90                 var pheight = $j( '#' + vidId + ' img').height();
  91                 var tag_type = 'video';
  92
  93                 // Check for audio
  94                 if( pheight == '22' || pheight == '52') {
  95                         //set width to parent width:
  96                         tag_type = 'audio';
  97                         poster_attr = '';
  98                 }
  99
 100                 // Parsed values:
 101                 var src = '';
 102                 var duration_attr = '';
 103                 var wikiTitleKey = $j( '#'+vidId + ' img').filter(':first').attr('src').split('/');
 104                 wikiTitleKey = unescape( wikiTitleKey[ wikiTitleKey.length - 2 ] );
 105                 var re = new RegExp( /videoUrl(&quot;:?\s*)*([^&]*)/ );
 106                 src = re.exec( $j( '#'+vidId ).html() )[2];
 107
 108                 var re = new RegExp( /length(&quot;:?\s*)*([^,]*)/ );
 109                 var dv = re.exec( $j( '#'+vidId ).html() )[2];
 110                 if( dv ){
 111                         duration_attr = 'durationHint="'+ dv +'" ';
 112                 }
 113
 114                 var re = new RegExp( /offset(&quot;:?\s*)*([^&]*)/ );
 115                 offset = re.exec( $j( '#'+vidId ).html() )[2];
 116                 var offset_attr = offset ? 'startOffset="' + offset + '"' : '';
 117
 118                 if( src ) {
 119                         var html_out = '';
 120
 121                         var common_attr = ' id="mwe_' + vidId +'" '+
 122                                         'wikiTitleKey="' + wikiTitleKey + '" ' +
 123                                         'src="' + src + '" ' +
 124                                         duration_attr +
 125                                         offset_attr + ' ';
 126
 127                         if( tag_type == 'audio' ){
 128                                 html_out='<audio' + common_attr + ' style="width:' + pwidth + 'px;"></audio>';
 129                         }else{
 130                                 html_out='<video' + common_attr +
 131                                 poster_attr + ' ' +
 132                                 'style="width:' + pwidth + 'px;height:' + pheight + 'px;">' +
 133                                 '</video>';
 134                         }
 135                         //set the video tag inner html and update the height
 136                         $j( '#' + vidId ).html( html_out )
 137                                 .css('height', pheight + 30);
 138
 139                 }
 140                 rewrite_by_id( 'mwe_' + vidId, function(){
 141                         if( vidIdList.length != 0 ){
 142                                 setTimeout( function(){
 143                                         procVidId( vidIdList.pop() )
 144                                 }, 10);
 145                         }
 146                 });
 147         };
 148         //process each item in the vidIdList (with setTimeout to avoid locking)
 149         procVidId( vidIdList.pop() );
 150 }
 151 function getRemoteEmbedPath() {
 152         for( var i = 0; i < document.getElementsByTagName( 'script' ).length; i++ ) {
 153                 var s = document.getElementsByTagName( 'script' )[i];
 154                 if( s.src.indexOf( '/remoteMwEmbed.js' ) != -1 ) {
 155                         var reqStr = '';
 156                         var scriptPath = '';
 157                         if( s.src.indexOf( '?' ) != -1) {
 158                                 reqStr = s.src.substr( s.src.indexOf( '?' ) );
 159                                 scriptPath = s.src.substr( 0,  s.src.indexOf( '?' ) ).replace( '/remoteMwEmbed.js', '' );
 160                         } else {
 161                                 scriptPath = s.src.replace( '/remoteMwEmbed.js', '' )
 162                         }
 163                         // Use the external_media_wizard path:
 164                         return [scriptPath, reqStr];
 165                 }
 166         }
 167 }
 168 function mwGetReqArgs(){
 169         var rurl = '';
 170         if(mwReqParam['debug'])
 171                 rurl += 'debug=true&';
 172
 173         if(mwReqParam['uselang'] )
 174                 rurl += 'uselang=' + mwReqParam['uselang'] + '&';
 175
 176         if( mwReqParam['urid'] ){
 177                 rurl += 'urid=' + mwReqParam['urid'];
 178         }else{
 179                 // Make sure to use an urid
 180                 // This way remoteMwEmbed can control version of code being requested
 181                 rurl += 'urid=' + mwRemoteVersion;
 182         }
 183         return rurl;
 184 }
 185 function load_mv_embed( callback ) {
 186         // Inject mv_embed if needed
 187         if( typeof $mw == 'undefined' ) {
 188                 if( ( mwReqParam['uselang'] || mwReqParam['useloader'] ) && mwUseScriptLoader){
 189                         var rurl = mwEmbedHostPath + '/mwEmbed/jsScriptLoader.php?class=mv_embed';
 190                         // Add jQuery too if we need it:
 191                         if(typeof window.jQuery == 'undefined'){
 192                                 rurl += ',window.jQuery';
 193                         }
 194                         rurl += '&' + mwGetReqArgs();
 195
 196                         importScriptURI( rurl );
 197                 }else{
 198                         importScriptURI( mwEmbedHostPath + '/mwEmbed/mv_embed.js?' + mwGetReqArgs() );
 199                 }
 200         }
 201         check_for_mv_embed( callback );
 202 }
 203
 204 function check_for_mv_embed( callback ) {
 205         if( typeof $mw == 'undefined' ) {
 206                 setTimeout( function(){
 207                         check_for_mv_embed( callback );
 208                 }, 25 );
 209         } else {
 210                 callback();
 211         }
 212 }