/**
 * Rits Framework
 *
 * LICENSE
 * 
 * This source file is subject to the Rits Commercial license.
 * 
 * @copyright  2008 Rits Comunicação & Tecnologia. (http://www.rits.com.br)
 * @license    Rits Commercial License 1.0
 * @version    $Id:$
 */

/**
 * Flash
 *
 * @category   Rits
 * @package    Rits
 * @copyright  2008 Rits Comunicação & Tecnologia. (http://www.rits.com.br)
 */
Rits.Flash = {
	
	Browser: {
		IE: (navigator.appVersion.indexOf("MSIE") != -1) ? true : false,
		Win: (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false,
		Opera: (navigator.userAgent.indexOf("Opera") != -1) ? true : false 
	},
	
	controlVersion: 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;
	},

	getSwfVer: function() {
		// NS/Opera version >= 3 check for Flash plugin in plugin array
		var flashVer = -1;

		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 ( Rits.Flash.Browser.IE && Rits.Flash.Browser.Win && !Rits.Flash.Browser.Opera ) {
			flashVer = this.controlVersion();
		}
		return flashVer;
	},

	detectFlashVer: function(reqMajorVer, reqMinorVer, reqRevision) {
		versionStr = this.getSwfVer();
		if (versionStr == -1 ) {
			return false;
		} else if (versionStr != 0) {
			if(Rits.Flash.Browser.IE && Rits.Flash.Browser.Win && !Rits.Flash.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(reqMajorVer)) {
				return true;
			} else if (versionMajor == parseFloat(reqMajorVer)) {
				if (versionMinor > parseFloat(reqMinorVer))
				return true;
				else if (versionMinor == parseFloat(reqMinorVer)) {
					if (versionRevision >= parseFloat(reqRevision))
					return true;
				}
			}
			return false;
		}
	},

	addExtension: function(src, ext) {
		if (src.indexOf('?') != -1)
		return src.replace(/\?/, ext+'?');
		else
		return src + ext;
	},

	generateObj: function(objAttrs, params, embedAttrs)	{
		var str = '';
		if (Rits.Flash.Browser.IE && Rits.Flash.Browser.Win && !Rits.Flash.Browser.Opera)
		{
			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 += '</object>';
		}
		else
		{
			str += '<embed ';
			for (var i in embedAttrs)
			{
				str += i + '="' + embedAttrs[i] + '" ';
			}
			str += '> </embed>';
		}

		document.write(str);		

	},

	flRunContent: function() {
		var ret =
		this.getArgs
		(  arguments, "", "movie", "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
		, "application/x-shockwave-flash"
		);
		this.generateObj(ret.objAttrs, ret.params, ret.embedAttrs);
	},

	swRunContent: function() {
		var ret =
		this.getArgs
		(  arguments, ".dcr", "src", "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
		, null
		);
		this.generateObj(ret.objAttrs, ret.params, ret.embedAttrs);
	},

	getArgs: 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 "classid":
				break;
				case "pluginspage":
				ret.embedAttrs[args[i]] = args[i+1];
				break;
				case "src":
				case "movie":
				args[i+1] = this.addExtension(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":
				case "id":
				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 "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];
			}
		}
		ret.objAttrs["classid"] = classid;
		if (mimeType) ret.embedAttrs["type"] = mimeType;
		return ret;

	},

	/**
	 * Runs a flash
	 *
	 * @param string src
	 * @param int width
	 * @param int height
	 * @param string flashvars
	 * @param string bgcolor
	 * @param string menu
	 * @param string mode
	 * @param string quality
	 * @param string id
	 */
	write: function(src, width, height, flashvars, bgcolor, menu, mode, quality, id) {
		
		// flashvars
		if(!flashvars) {
			flashvars = '';
		}
		// bgcolor
		if(!bgcolor) {
			bgcolor = '#FFFFFF';
		}
		// menu
		if(!menu) {
			menu = '';
		}
		// mode
		if(!mode) {
			mode = 'transparent';			
		}
		// quality
		if(!quality) {
			quality = 'high';
		}
		// id
		if(!id) {
			id = '_flash';
		}
				
		this.flRunContent(
		'codebase', 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0',
		'width', width,
		'height', height,
		'src', src,
		'quality', quality,
		'pluginspage', 'http://www.macromedia.com/go/getflashplayer',
		'align', '',
		'play', 'true',
		'loop', 'true',
		'scale', 'showall',
		'wmode', mode,
		'devicefont', 'false',
		'id', id,
		'bgcolor', bgcolor,
		'name', id,
		'menu', menu,
		'flashvars', flashvars,
		'allowFullScreen', 'false',
		'allowScriptAccess','sameDomain',
		'movie', src,
		'salign', ''
		);
	}
};