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 = '1.0';
   9
  10 reqArguments = urlparts[1];
  11
  12 //setup up request Params:
  13 var reqParts = urlparts[1].split('&');
  14 var reqParam={};
  15 for(var i=0;i< reqParts.length; i++){
  16         var p = reqParts[i].split('=');
  17         if( p.length == 2 )
  18                 reqParam[ p[0] ]=  p[1];
  19 }
  20
  21 addOnloadHook( function(){
  22         //only do rewrites if MV_EMBED / js2 is "off"
  23         if( typeof MV_EMBED_VERSION == 'undefined' ) {
  24                 doPageSpecificRewrite();
  25         }
  26 });
  27
  28 function doPageSpecificRewrite() {
  29         // Add media wizard
  30         if( wgAction == 'edit' || wgAction == 'submit' ) {
  31                 load_mv_embed( function() {
  32                         loadExternalJs( mwEmbedHostPath + '/editPage.js' + reqArguments );
  33                 } );
  34         }
  35
  36         //timed text display:
  37         if(wgPageName.indexOf("TimedText") === 0){
  38                 load_mv_embed(function(){
  39                         loadExternalJs( mwEmbedHostPath + '/mwEmbed/libTimedText/mvTimeTextEdit.js' + reqArguments );
  40                 });
  41         }
  42
  43         // Firefogg integration
  44         if( wgPageName == "Special:Upload" ){
  45                 load_mv_embed( function() {
  46                         loadExternalJs( mwEmbedHostPath + '/uploadPage.js' + reqArguments );
  47                 } );
  48         }
  49
  50         // Special api proxy page
  51         if( wgPageName == 'MediaWiki:ApiProxy' ){
  52                 var wgEnableIframeApiProxy = true;
  53                 load_mv_embed( function() {
  54                         js_log("Wiki:ApiProxy::");
  55                         loadExternalJs( mwEmbedHostPath + '/apiProxyPage.js' + reqArguments );
  56                 });
  57         }
  58
  59         // OggHandler rewrite for view pages:
  60         var vidIdList = [];
  61         var divs = document.getElementsByTagName( 'div' );
  62         for( var i = 0; i < divs.length; i++ ) {
  63                 if( divs[i].id && divs[i].id.substring( 0, 11 ) == 'ogg_player_' ) {
  64                         vidIdList.push( divs[i].getAttribute( "id" ) );
  65                 }
  66         }
  67         if( vidIdList.length > 0 ) {
  68                 load_mv_embed( function() {
  69                         mvJsLoader.embedVideoCheck( function() {
  70                                 // Do utility rewrite of OggHandler content:
  71                                 rewrite_for_OggHandler( vidIdList );
  72                         } );
  73                 } );
  74         }
  75 }
  76 // will be depreciated in favor of updates to OggHandler
  77 function rewrite_for_OggHandler( vidIdList ){
  78         function procVidId( vidId ){
  79                 //don't process empty vids
  80                 if(!vidId)
  81                         return ;
  82                 js_log('vidIdList on: ' + vidId +' length: ' + vidIdList.length + ' left in the set: ' + vidIdList );
  83
  84                 // Grab the thumbnail and src of the video
  85                 var pimg = $j( '#' + vidId + ' img' );
  86                 var poster_attr = 'poster = "' + pimg.attr( 'src' ) + '" ';
  87                 var pwidth = $j( '#' + vidId).width();
  88                 var pheight = $j( '#' + vidId + ' img').height();
  89                 var tag_type = 'video';
  90
  91                 // Check for audio
  92                 if( pheight == '22' || pheight == '52') {
  93                         //set width to parent width:
  94                         tag_type = 'audio';
  95                         poster_attr = '';
  96                 }
  97
  98                 // Parsed values:
  99                 var src = '';
 100                 var duration_attr = '';
 101                 var wikiTitleKey = $j( '#'+vidId + ' img').filter(':first').attr('src').split('/');
 102                 wikiTitleKey = unescape( wikiTitleKey[ wikiTitleKey.length - 2 ] );
 103                 var re = new RegExp( /videoUrl(&quot;:?\s*)*([^&]*)/ );
 104                 src = re.exec( $j( '#'+vidId ).html() )[2];
 105
 106                 var re = new RegExp( /length(&quot;:?\s*)*([^,]*)/ );
 107                 var dv = re.exec( $j( '#'+vidId ).html() )[2];
 108                 if( dv ){
 109                         duration_attr = 'durationHint="'+ dv +'" ';
 110                 }
 111
 112                 var re = new RegExp( /offset(&quot;:?\s*)*([^&]*)/ );
 113                 offset = re.exec( $j( '#'+vidId ).html() )[2];
 114                 var offset_attr = offset ? 'startOffset="' + offset + '"' : '';
 115
 116                 if( src ) {
 117                         var html_out = '';
 118
 119                         var common_attr = ' id="mwe_' + vidId +'" '+
 120                                         'wikiTitleKey="' + wikiTitleKey + '" ' +
 121                                         'src="' + src + '" ' +
 122                                         duration_attr +
 123                                         offset_attr + ' ';
 124
 125                         if( tag_type == 'audio' ){
 126                                 html_out='<audio' + common_attr + ' style="width:' + pwidth + 'px;"></audio>';
 127                         }else{
 128                                 html_out='<video' + common_attr +
 129                                 poster_attr + ' ' +
 130                                 'style="width:' + pwidth + 'px;height:' + pheight + 'px;">' +
 131                                 '</video>';
 132                         }
 133                         //set the video tag inner html and update the height
 134                         $j( '#' + vidId ).html( html_out )
 135                                 .css('height', pheight + 30);
 136
 137                 }
 138                 rewrite_by_id( 'mwe_' + vidId, function(){
 139                         if( vidIdList.length != 0 ){
 140                                 setTimeout( function(){
 141                                         procVidId( vidIdList.pop() )
 142                                 }, 10);
 143                         }
 144                 });
 145         };
 146         //process each item in the vidIdList (with setTimeout to avoid locking)
 147         procVidId( vidIdList.pop() );
 148 }
 149 function getRemoteEmbedPath() {
 150         for( var i = 0; i < document.getElementsByTagName( 'script' ).length; i++ ) {
 151                 var s = document.getElementsByTagName( 'script' )[i];
 152                 if( s.src.indexOf( '/remoteMwEmbed.js' ) != -1 ) {
 153                         var reqStr = '';
 154                         var scriptPath = '';
 155                         if( s.src.indexOf( '?' ) != -1) {
 156                                 reqStr = s.src.substr( s.src.indexOf( '?' ) );
 157                                 scriptPath = s.src.substr( 0,  s.src.indexOf( '?' ) ).replace( '/remoteMwEmbed.js', '' );
 158                         } else {
 159                                 scriptPath = s.src.replace( '/remoteMwEmbed.js', '' )
 160                         }
 161                         // Use the external_media_wizard path:
 162                         return [scriptPath, reqStr];
 163                 }
 164         }
 165 }
 166
 167 function load_mv_embed( callback ) {
 168         // Inject mv_embed if needed
 169         if( typeof $mw == 'undefined' ) {
 170                 if( reqParam['uselang'] || reqParam['useloader'] ){
 171                         var rurl = mwEmbedHostPath + '/mwEmbed/jsScriptLoader.php?class=mv_embed';
 172                         if(typeof window.jQuery == 'undefined'){
 173                                 rurl+= ',window.jQuery';
 174                         }
 175                         if(reqParam['urid']){
 176                                 rurl+='&urid=' + reqParam['urid'];
 177                         }else{
 178                                 rurl+='&urid=' + mwRemoteVersion;
 179                         }
 180                         if(reqParam['uselang'] )
 181                                 rurl+='&uselang=' + reqParam['uselang'];
 182                         //do import url:
 183                         importScriptURI(rurl);
 184                 }else{
 185                         importScriptURI( mwEmbedHostPath + '/mwEmbed/mv_embed.js' + reqArguments );
 186                 }
 187         }
 188         check_for_mv_embed( callback );
 189 }
 190
 191 function check_for_mv_embed( callback ) {
 192         if( typeof $mw == 'undefined' ) {
 193                 setTimeout( function(){
 194                         check_for_mv_embed( callback );
 195                 }, 25 );
 196         } else {
 197                 callback();
 198         }
 199 }