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 reqAguments = urlparts[1];
   9
  10 addOnloadHook( function(){
  11         //only do rewrites if MV_EMBED / js2 is "off"
  12         if( typeof MV_EMBED_VERSION == 'undefined' ) {
  13                 doPageSpecificRewrite();
  14         }
  15 });
  16
  17 function doPageSpecificRewrite() {
  18         // Add media wizard
  19         if( wgAction == 'edit' || wgAction == 'submit' ) {
  20                 load_mv_embed( function() {
  21                         loadExternalJs( mwEmbedHostPath + '/editPage.js' + reqAguments );
  22                 } );
  23         }
  24
  25         // Firefogg integration
  26         if( wgPageName == "Special:Upload" ){
  27                 load_mv_embed( function() {
  28                         loadExternalJs( mwEmbedHostPath + '/uploadPage.js' + reqAguments );
  29                 } );
  30         }
  31
  32         // Special api proxy page
  33         if( wgPageName == 'MediaWiki:ApiProxy' ){
  34                 var wgEnableIframeApiProxy = true;
  35                 load_mv_embed( function() {
  36                         js_log("Wiki:ApiProxy::");
  37                         loadExternalJs( mwEmbedHostPath + '/apiProxyPage.js' + reqAguments );
  38                 });
  39         }
  40
  41
  42         // OggHandler rewrite for view pages:
  43         var vidIdList = [];
  44         var divs = document.getElementsByTagName( 'div' );
  45         for( var i = 0; i < divs.length; i++ ) {
  46                 if( divs[i].id && divs[i].id.substring( 0, 11 ) == 'ogg_player_' ) {
  47                         vidIdList.push( divs[i].getAttribute( "id" ) );
  48                 }
  49         }
  50         if( vidIdList.length > 0 ) {
  51                 load_mv_embed( function() {
  52                         mvJsLoader.embedVideoCheck( function() {
  53                                 // Do utility rewrite of OggHandler content:
  54                                 rewrite_for_OggHandler( vidIdList );
  55                         } );
  56                 } );
  57         }
  58 }
  59 // will be deprecated in favor of updates to OggHandler
  60 function rewrite_for_OggHandler( vidIdList ){
  61         for( var i = 0; i < vidIdList.length; i++ ) {
  62                 var vidId = vidIdList[i];
  63                 // Grab the thumbnail and src of the video
  64                 var pimg = $j( '#' + vidId + ' img' );
  65                 var poster_attr = 'poster = "' + pimg.attr( 'src' ) + '" ';
  66                 var pwidth = pimg.attr( 'width' );
  67                 var pheight = pimg.attr( 'height' );
  68
  69                 var type_attr = '';
  70                 // Check for audio
  71                 if( pwidth == '22' && pheight == '22' ) {
  72                         //set width to parent width:
  73                         pwidth = $j( '#' + vidId ).width();
  74                         pheight = '100';
  75                         type_attr = 'type="audio/ogg"';
  76                         poster_attr = '';
  77                 }
  78
  79                 // Parsed values:
  80                 var src = '';
  81                 var duration = '';
  82
  83                 var re = new RegExp( /videoUrl(&quot;:?\s*)*([^&]*)/ );
  84                 src = re.exec( $j( '#'+vidId).html() )[2];
  85
  86                 var re = new RegExp( /length(&quot;:?\s*)*([^&]*)/ );
  87                 duration = re.exec( $j( '#'+vidId).html() )[2];
  88
  89                 var re = new RegExp( /offset(&quot;:?\s*)*([^&]*)/ );
  90                 offset = re.exec( $j( '#'+vidId).html() )[2];
  91                 var offset_attr = offset ? 'startOffset="' + offset + '"' : '';
  92
  93                 // Rewrite that video id (do async calls to avoid locking)
  94                 if( src ) {
  95                         // Replace the top div with the mv_embed based player:
  96                         var vid_html = '<video id="vid_' + i +'" '+
  97                                         'src="' + src + '" ' +
  98                                         poster_attr + ' ' +
  99                                         type_attr + ' ' +
 100                                         offset_attr + ' ' +
 101                                         'duration="' + duration + '" ' +
 102                                         'style="width:' + pwidth + 'px;height:' +
 103                                                 pheight + 'px;"></video>';
 104                         //set the video tag inner html and update the height
 105                         $j( '#' + vidId ).html( vid_html )
 106                                 .css('height', pheight + 30);
 107
 108                 }
 109
 110                 rewrite_by_id( 'vid_' + i );
 111         }
 112 }
 113
 114 function getRemoteEmbedPath() {
 115         for( var i = 0; i < document.getElementsByTagName( 'script' ).length; i++ ) {
 116                 var s = document.getElementsByTagName( 'script' )[i];
 117                 if( s.src.indexOf( '/remoteMwEmbed.js' ) != -1 ) {
 118                         var reqStr = '';
 119                         var scriptPath = '';
 120                         if( s.src.indexOf( '?' ) != -1) {
 121                                 reqStr = s.src.substr( s.src.indexOf( '?' ) );
 122                                 scriptPath = s.src.substr( 0,  s.src.indexOf( '?' ) ).replace( '/remoteMwEmbed.js', '' );
 123                         } else {
 124                                 scriptPath = s.src.replace( '/remoteMwEmbed.js', '' )
 125                         }
 126                         // Use the external_media_wizard path:
 127                         return [scriptPath, reqStr];
 128                 }
 129         }
 130 }
 131
 132 function load_mv_embed( callback ) {
 133         if(console.log)
 134                 console.log( 'load_mv_embed');
 135         // Inject mv_embed if needed
 136         if( typeof mvEmbed == 'undefined' ) {
 137                 importScriptURI( mwEmbedHostPath + '/mwEmbed/mv_embed.js' + reqAguments );
 138                 check_for_mv_embed( callback );
 139         } else {
 140                 check_for_mv_embed( callback );
 141         }
 142 }
 143
 144 function check_for_mv_embed( callback ) {
 145         if( typeof MV_EMBED_VERSION == 'undefined' ) {
 146                 setTimeout( function(){
 147                         check_for_mv_embed( callback );
 148                 }, 25 );
 149         } else {
 150                 callback();
 151         }
 152 }