/*********************************************************
*   Flash CLASS
*   Current class is responsible for generating flash object
*   Designed & developed by Dima Svirid, 2007 
*   Idea is taken from Adobe Systems, Inc.
*   Class: flash.js
*   Extends: system.js
*********************************************************/
$WI.Flash = function() {
  return new $WI.Class.Flash().GetContent(arguments);
};
$WI.ActiveX = function() {
  return new $WI.Class.ActiveX().GetActiveContent(arguments);
};
$WI.Flash.Write = function() {
  var _content = new $WI.Class.Flash().GetContent(arguments); 
  document.write(_content);
};
$WI.ActiveX.Write = function() {
  var _content = new $WI.Class.ActiveX().GetActiveContent(arguments);
  document.write(_content);
};
$WI.DigitalAsset = {};
$WI.DigitalAsset.Write = function(url, where, options) {  
  var _content = new $WI.Class.DigitalAsset().LoadContent(url, where, options);
};
$WI.Class.Flash = new $WI.Class({
  GetContent: function (arguments){
    var ret = this._getArguments(arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000", "application/x-shockwave-flash");
    //if flash player does not support video output update movie      
    if(!this._checkVersion()) 
      ret.params["movie"] = ret.embedAttrs["src"] = '/api/src/objects/expressInstall.swf';
  
    return this._getObject(ret.objAttrs, ret.params, ret.embedAttrs);
  },
  _getObject: function(objAttrs, params, embedAttrs) { 
    var str = '<object ';
    for (var i in objAttrs)
      str += i + '="' + objAttrs[i] + '" ';
    str += '>';
    for (var i in params)
      str += '<param name="' + i + '" value="' + params[i] + '" /> ';
    str += '<embed ';
    for (var i in embedAttrs)
      str += i + '="' + embedAttrs[i] + '" ';
    str += ' ></embed></object>';
    return str;
  },  
  _getExt: function(src, ext) {
    if (src.indexOf('?') != -1 && src.substr(src.indexOf('?') - ext.length, ext.length) != ext)
      return src.replace(/\?/, ext+'?'); 
    else if (src.substring(src.length - ext.length) != ext)
      return src + ext;
    return src;
  },
  _getArguments: function(args, ext, srcParamName, classid, mimeType){
    var ret = new Object();
    ret.embedAttrs = new Object();
    ret.params = new Object();
    ret.objAttrs = new Object();
    for (var i=0; i < args.length; i=i+2){  
      var currArg = args[i].toLowerCase();    
      switch (currArg){ 
        case "version":
          this.requiredVersion = args[i+1];
          break;
        case "classid":
          break;
        case "pluginspage":
          ret.embedAttrs[args[i]] = args[i+1];
          break;
        case "src":
        case "movie": 
          args[i+1] = this._getExt(args[i+1], ext);
          ret.embedAttrs["src"] = args[i+1];            
          ret.params[srcParamName] = args[i+1];
          break;
        case "onafterupdate":
        case "onbeforeupdate":
        case "onblur":
        case "oncellchange":
        case "onclick":
        case "ondblClick":
        case "ondrag":
        case "ondragend":
        case "ondragenter":
        case "ondragleave":
        case "ondragover":
        case "ondrop":
        case "onfinish":
        case "onfocus":
        case "onhelp":
        case "onmousedown":
        case "onmouseup":
        case "onmouseover":
        case "onmousemove":
        case "onmouseout":
        case "onkeypress":
        case "onkeydown":
        case "onkeyup":
        case "onload":
        case "onlosecapture":
        case "onpropertychange":
        case "onreadystatechange":
        case "onrowsdelete":
        case "onrowenter":
        case "onrowexit":
        case "onrowsinserted":
        case "onstart":
        case "onscroll":
        case "onbeforeeditfocus":
        case "onactivate":
        case "onbeforedeactivate":
        case "ondeactivate":
        case "type":
        case "codebase":
          ret.objAttrs[args[i]] = args[i+1];
          break;
        case "width":
        case "height":
        case "align":
        case "vspace": 
        case "hspace":
        case "class":
        case "title":
        case "accesskey":
        case "name":
        case "id":
        case "tabindex":
          ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
          break;
        default:
          ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
      }
    }
    if(classid) ret.objAttrs["classid"] = classid;
    if (mimeType) ret.embedAttrs["type"] = mimeType;
    ret.embedAttrs["menu"] = ret.params["menu"] = 'false';
    return ret;
  },
  _checkVersion: function() {
    return (!this.requiredVersion || this._getVersion().split(',').shift() >= parseInt(this.requiredVersion)) ? true : false; 
  },
  _getVersion: function() {
    try { 
      try { 
        var axo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash.6'); 
        try { axo.AllowScriptAccess = 'always'; } 
        catch(e) { return '6,0,0'; } 
      } catch(e) {} 
      return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version').replace(/\D+/g, ',').match(/^,?(.+),?$/)[1]; 
    } catch(e) { 
      try { 
        if(navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin){ 
          return (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]).description.replace(/\D+/g, ",").match(/^,?(.+),?$/)[1]; 
        } 
      } catch(e) {} 
    } 
    return '0,0,0'; 
  }
});
$WI.Class.ActiveX = new $WI.Class({
  GetActiveContent: function (arguments){
    var ret = this._getArguments(arguments, '');
    return this._getObject(ret.objAttrs, ret.params, ret.embedAttrs);
  }
});
$WI.Class.DigitalAsset = new $WI.Class({
  LoadContent: function (url, where, options){
    if(!$WI.Ajax) {alert("ajax.js class is required to be loaded");return;}
    if(!options) var options = {};
    options.where = where;
    if(where) {
      //clean up the place and show please wait
      var _children = this._getChildren($E(where));
      for(var i=0;i<_children.length;i++)
        this._removeDOM(_children[i]);    
      
      $E(where).innerHTML = '<table style="width:100%;height:100%"><tr><td class="prism-digital-asset-loading-message" align="center">Please wait ... loading</td></tr></table>'; 
    }
    
    //$WI.Ajax({url: url, method: 'GET', onComplete: this._loadContentResponse, instance: options, cache: true});   
    $WI.DOM.LoadJS({src: '/prism_resource/classes/flv_player/jwplayer.js', include_once: true, onload: function() {
      $WI.Ajax({url: url, method: 'GET', onComplete: this._loadContentResponse, instance: options, cache: true});         
    }.Apply(this)});
    
    
  },
  _loadContentResponse: function (xml, text, instance) {
    
    //clean up the place and show please wait
    var _children = this._getChildren($E(instance.where));
    for(var i=0;i<_children.length;i++)
      this._removeDOM(_children[i]);
  
          
    var div = document.createElement('div');
        div.innerHTML = text;
        $E(instance.where).appendChild(div);      
    
        //support for a new version of jwplayer with html5 support
    //lets get uuid of the container
    var result;
    if(result = new RegExp(/jwplayer\("([\s\S]+)"\)/ig).exec(text)) {
      div.id = result[1];     
    }
    
    var _children = div.getElementsByTagName('script');
    var _jsContent = '';  
    var _found = false;
    for(var i=0;i<_children.length;i++) 
      if((/src|jwplayer\(/i).test(_children[i].text)) {
        _jsContent = _children[i].text.
                      replace(/\$WI.Flash.Write/ig, '$WI.Flash').
                      replace(/\$WI.ActiveX.Write/ig, '$WI.ActiveX').
                      replace(/AC_FL_RunContent/ig, '$WI.Flash').
                      replace(/AC_AX_RunContent/ig, '$WI.ActiveX');     
        if(instance.width) {
          _jsContent = _jsContent.replace(/(width:[\s]+[\"][\d]{1,4}\")/ig, 'width: "' + instance.width + '"');//new way
          _jsContent = _jsContent.replace(/([\"]width[\"][,][\s][\"][\d]{1,4}\")/ig, '"width", "' + instance.width + '"');
        }
        if(instance.height) {
          _jsContent = _jsContent.replace(/(height:[\s]+[\"][\d]{1,4}\")/ig, 'height: "' + instance.height + '"');//new way
          _jsContent = _jsContent.replace(/([\"]height[\"][,][\s][\"][\d]{1,4}\")/ig, '"height", "' + instance.height + '"');
        }       
        
        if((/jwplayer\(|\$WI.Flash|\$WI.ActiveX|\$WI.Flash|\$WI.ActiveX/i).test(_children[i].text)) {
          _found = true;
          break;
        }
      }      
    if(_jsContent != '' && instance.where && _found)  
      this._appendHTML(div, eval(_jsContent));
    else if(instance.where)
      this._appendHTML($E(instance.where), '<table style="width:100%;height:100%"><tr><td class="prism-digital-asset-loading-message" align="center">Oops...cannot load an asset!</td></tr></table>');
    //lets render images
  
    if(_jsContent == '') {
      var _children = div.getElementsByTagName('img');
      if(_children.length > 0) {
        var imgsrc = _children[0].src;
        if(instance.where && imgsrc != '') 
          this._insertDOM($E(instance.where), {objType: 'img', src: imgsrc, config: instance}, 'insertinto');
      }       
    }     
    
  }
});
$WI.extend($WI.Class.ActiveX, $WI.Class.Flash);