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