/**
 * Object Embedding 
 * @author Paul Serby 
 */
RumbleUI.EmbeddedObjects = Class.create();

RumbleUI.EmbeddedObjects.Flash = Class.create();

RumbleUI.EmbeddedObjects.Flash.getUrl = "http://www.adobe.com/products/flashplayer/";

RumbleUI.EmbeddedObjects.Flash.ieVersion = function() {
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version) {
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version) {
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version) {
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version) {
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}


/**
 * JavaScript helper required to detect Flash Player PlugIn version information
 */
RumbleUI.EmbeddedObjects.Flash.getVersion = function() {
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if (Prototype.Browser.IE && isWin && !Prototype.Browser.Opera) {
		flashVer = RumbleUI.EmbeddedObjects.Flash.ieVersion();
	}	
	return flashVer;
}

/**
 * When called with requiredMajorVersion, requiredMinorVersion, requiredRevision returns true if that version or greater is available
 */
RumbleUI.EmbeddedObjects.Flash.isVersion = function(requiredMajorVersion, requiredMinorVersion, requiredRevision) {
	versionStr = RumbleUI.EmbeddedObjects.Flash.getVersion();
	var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(Prototype.Browser.IE && isWin && !Prototype.Browser.Opera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(requiredMajorVersion)) {
			return true;
		} else if (versionMajor == parseFloat(requiredMajorVersion)) {
			if (versionMinor > parseFloat(requiredMinorVersion))
				return true;
			else if (versionMinor == parseFloat(requiredMinorVersion)) {
				if (versionRevision >= parseFloat(requiredRevision))
					return true;
			}
		}
		return false;
	}
}

RumbleUI.EmbeddedObjects.Flash.embedIfCapable = function(element, parameters, requiredMajorVersion, requiredMinorVersion, requiredRevision) {
	element = $(element);
	if (requiredRevision == undefined) {
		requiredRevision = 0;
	}
	if (requiredMinorVersion == undefined) {
		requiredMinorVersion = 0;
	}
	if (requiredMajorVersion == undefined) {
		requiredMajorVersion = 9;
	}
	if (RumbleUI.EmbeddedObjects.Flash.isVersion(requiredMajorVersion, requiredMinorVersion, requiredRevision)) {
		element.innerHTML = RumbleUI.EmbeddedObjects.generateFlashHtml(parameters);
	}
}

RumbleUI.EmbeddedObjects.Flash.embed = function(parameters) {
	document.write(RumbleUI.EmbeddedObjects.generateFlashHtml(parameters));
}	

RumbleUI.EmbeddedObjects.Flash.generateHtml = function(parameters) {
	var parameters = RumbleUI.EmbeddedObjects.parseParameters(
		parameters, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000", "application/x-shockwave-flash"
	)
	return RumbleUI.EmbeddedObjects.generateObjectHtml(parameters);
}

/**
 * Deprecated use RumbleUI.EmbeddedObjects.Flash.embed instead
 */
RumbleUI.EmbeddedObjects.embedFlash = function(parameters) {
	RumbleUI.EmbeddedObjects.Flash.embed(parameters);
}	

/**
 * Deprecated use RumbleUI.EmbeddedObjects.Flash.embed instead
 */
RumbleUI.EmbeddedObjects.generateFlashHtml = function(parameters) {
	return RumbleUI.EmbeddedObjects.Flash.generateHtml(parameters);
}

RumbleUI.EmbeddedObjects.generateObjectHtml = function(parameters) { 
  var str = "";
  if (Prototype.Browser.IE && !Prototype.Browser.Opera) {
    str += "<object ";
    for (var i in parameters.objectAttributes) {
      str += i + "=\"" + parameters.objectAttributes[i] + "\" ";
    }
    str += ">";
    for (var i in parameters.parameters) {
      str += "<param name=\"" + i + "\" value=\"" + parameters.parameters[i] + "\" /> ";
    }
    str += "</object>";
  } else {
    str += "<embed ";
    for (var i in parameters.embedAttributes) {
      str += i + "=\"" + parameters.embedAttributes[i] + "\" ";
    }
    str += "> </embed>";
  }
  return str;
}

RumbleUI.EmbeddedObjects.addExtension = function(value, extension) {
	if (value.indexOf("?") != -1) {
   	return value.replace(/\?/, extension + "?");
  } else {
    return value + extension;
  }	
}

RumbleUI.EmbeddedObjects.parseParameters = function(args, extension, srcParamName, classId, mimeType) {
  var parameters = {
  	embedAttributes: {},
  	objectAttributes: {},
  	parameters: {}
  };
  
  for (var i = 0; i < args.length; i += 2) {
    var currArg = args[i];    

    switch (currArg){	
      case "classId":
        break;
      case "pluginspage":
        parameters.embedAttributes[args[i]] = args[i + 1];
        break;
      case "src":
      case "movie":	
        args[i + 1] = RumbleUI.EmbeddedObjects.addExtension(args[i + 1], extension);
        parameters.embedAttributes["src"] = args[i + 1];
        parameters.parameters[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":
      case "id":
        parameters.objectAttributes[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 "tabindex":
        parameters.embedAttributes[args[i]] = parameters.objectAttributes[args[i]] = args[i + 1];
        break;
      default:
        parameters.embedAttributes[args[i]] = parameters.parameters[args[i]] = args[i + 1];
    }
  }
  parameters.objectAttributes["classId"] = classId;
  if (mimeType) {
  	parameters.embedAttributes["type"] = mimeType;
  }
  return parameters;
}

RumbleUI.EmbeddedObjects.getFlash = function(name) {
  if (window.document[name]) {
      return window.document[name];
  }
  if (navigator.appName.indexOf("Microsoft Internet")==-1) {
    if (document.embeds && document.embeds[name])
      return document.embeds[name]; 
  } else {
    return document.getElementById(name);
  }  
}

RumbleUI.EmbeddedObjects.gotoFlashFrame = function(name, frame) {

	if (isNaN(frame)) {
		RumbleUI.EmbeddedObjects.getFlash(name).GotoFrame(frame);
	} else {	
		RumbleUI.EmbeddedObjects.getFlash(name).GotoFrame(frame - 1);
	}
}