/**
 * VideoEgg Player JavaScript
 *
 * Functions for including the VideoEgg Flash player in HTML pages.
 *
 * @version 1.1
 * @changelog
 *	API 1.1 (4/27/06)
 *		- added object wrappers for API
 *		- removed download authentication support
 *		- added autoPlay, width, height, and wmode params
 *		- changed Flash param allowScriptAccess to always to support fullscreen mode
 *		- changed Flash param scale to noscale
 *		- changed DOM ID of player object from Player to VE_Player
 *		- changed embed name of player from Player to VE_Player
 *		- added VE_embedPlayerHTML_1_1
 * @usage
 *		var api = VE_getPlayerAPI("1.1");
 *		api.embedPlayer("/gid328/cid1096/2T/60/11428306632vWNmMJIrwZ2Gf0rlPU3", 640, 505, false, "", "", "", "", "");
 **/

// current API version

var VE_curAPIVer = "1.3";



//
// Helpers
//

var VE_Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

/* declare dynamic function in case function is already defined */
var VE_isset = function(v) {
	// define undefined for older browsers
	var undefined;
	if ((v == undefined) || (v == null) || (v == "")) {
		return false;
	} else {
		return true;
	}
}



//
// Object API
//
var VE_getPlayerAPI = function(ver) {
	ver = ver.replace(".", "_");
	var ret = eval("new VE_PlayerAPI_" + ver);
	return ret;
}

var VE_PlayerAPI_1_0 = VE_Class.create();
VE_PlayerAPI_1_0.prototype = {
	version: "1.0",
	
	initialize: function() {	
	},
	
	embedPlayer: function (clientId, path, appearance, bgcolor, auth1, auth2, auth3) {
		document.write(this.getPlayerHTML(clientId, path, appearance, bgcolor, auth1, auth2, auth3));
	},
	
	getPlayerHTML: function (clientId, path, appearance, bgcolor, auth1, auth2, auth3) {
		return VE_JSEmbedPlayer_Flash7_8(clientId, path, appearance, bgcolor, auth1, auth2, auth3);
	}
	
};

var VE_PlayerAPI_1_1 = VE_Class.create();
VE_PlayerAPI_1_1.prototype = {
	version: "1.1",

	initialize: function() {
	},
	
	embedPlayer: function (path, mWidth, mHeight, autoPlay, logo, bgcolor, showAd, wMode) {
		var api = VE_getPlayerAPI("1.3");
		return api.embedPlayer(path, mWidth, autoPlay, "", "", showAd, "", wMode);
	},

	getPlayerHTML: function (path, mWidth, mHeight, autoPlay, logo, bgcolor, showAd, wMode) {
		var api = VE_getPlayerAPI("1.3");
		return api.getPlayerHTML(path, mWidth, autoPlay, "", "", showAd, "", wMode);
	}
};


var VE_PlayerAPI_1_2 = VE_Class.create();
VE_PlayerAPI_1_2.prototype = {
	version: "1.2",

	initialize: function() {
	},
	
	embedPlayer: function (path, mWidth, mHeight, autoPlay, logo, bgcolor, showAd, adVars, wMode) {
		var api = VE_getPlayerAPI("1.3");
		return api.embedPlayer(path, mWidth, autoPlay, "", "", showAd, adVars, wMode);
	},

	getPlayerHTML: function (path, mWidth, mHeight, autoPlay, logo, bgcolor, showAd, adVars, wMode) {
		var api = VE_getPlayerAPI("1.3");
		return api.getPlayerHTML(path, mWidth, autoPlay, "", "", showAd, adVars, wMode);
	},

	getThumbnailURL: function (path) {
		var api = VE_getPlayerAPI("1.3");
		return api.getThumbnailURL(path);
	}
};

var VE_PlayerAPI_1_3 = VE_Class.create();
VE_PlayerAPI_1_3.prototype = {
	version: "1.3",

	initialize: function() {
	},
	
	embedPlayer: function (path, width, autoPlay, watermark, watermarkLocation, showAd, adVars, wMode, extraFlashVars) {
		document.write(this.getPlayerHTML(path, width, autoPlay, watermark, watermarkLocation, showAd, adVars, wMode, extraFlashVars));
	},

	getPlayerHTML: function (path, width, autoPlay, watermark, watermarkLocation, showAd, adVars, wMode, extraFlashVars) {
		return VE_getPlayerHTML_1_3(path, width, autoPlay, watermark, watermarkLocation, showAd, adVars, false, wMode, extraFlashVars);
	},

	getGrabcodeHTML: function (path, width, autoPlay, watermark, watermarkLocation, showAd, adVars, wMode, extraFlashVars) {
		return VE_getPlayerHTML_1_3(path, width, autoPlay, watermark, watermarkLocation, showAd, adVars, true, wMode, extraFlashVars);
	},

	getThumbnailURL: function (path) {
		return VE_getThumbnailURL_1_3(path);
	}
};



//
// API 1.0 Functions (legacy)
// 

var VE_JSEmbedPlayer_Flash7_8 = function (clientId, path, appearance, bgcolor, auth1, auth2, auth3) {
	document.write(VE_getPlayerHTML(clientId, path, appearance, bgcolor, auth1, auth2, auth3));
}

var VE_getPlayerHTML = function (clientId, path, appearance, bgcolor, auth1, auth2, auth3) {
	return VE_getPlayerHTML_1_1(path, "", "", false, "", bgcolor, "", "");
}

var EmbedPlayer = function (bgcolor, dbid) {
	VE_embedPlayerHTML_1_1("/gid325/cid1093/timestamp/" + dbid, 334, 330, false, "", bgcolor, "", "");
}

var EmbedPlayer2 = function (bgcolor, dbid) {
	VE_embedPlayerHTML_1_1("/gid328/cid1096/" + dbid, 334, 330, false, "", bgcolor, "", "");
}

var VE_embedPlayerHTML_1_1 = function (path, mWidth, mHeight, autoPlay, logo, bgcolor, showAd, wMode) {
        document.write(VE_getPlayerHTML_1_1(path, mWidth, mHeight, autoPlay, logo, bgcolor, showAd, wMode));
}

var VE_getPlayerHTML_1_1 = function (path, mWidth, mHeight, autoPlay, logo, bgcolor, showAd, wMode) {
	var api = VE_getPlayerAPI("1.3");
        return api.getPlayerHTML(path, mWidth, autoPlay, "", "", showAd, "", wMode);
}




//
// API 1.3 Functions (current)
//

var VE_getThumbnailURL_1_3 = function (path) {
	if (path.substr(0, 4) == "/gid") {
		path = "http://download.videoegg.com" + path;
	}
	else {
		path = "http://" + path;
	}

	return path + "_thumbnail.jpg";
}

var VE_getPlayerHTML_1_3 = function (path, width, autoPlay, watermark, watermarkLocation, showAd, adVars, isGrabcode, wMode, extraFlashVars) {

	// Figure out the path.  For legacy reasons, we still support paths
	// without hostnames, which just default to download.videoegg.com.
	if (path.substr(0, 4) == "/gid") {
		path = "http://download.videoegg.com" + path;
	}
	else if(path.substr(0, 4) != "http") {
		path = "http://" + path;
	}

	// Figure out adVars - if it's an object, collapse it into a string.
	var adVarsString = "";

	if (typeof(adVars) == 'string') {
		adVarsString = adVars;
	}

	else if (typeof(adVars) == 'object') {
		for (var name in adVars) {
			adVarsString += name + "=" + adVars[name] + "&";
		}
	}

	// Set some logical defaults
	if (! VE_isset(autoPlay)) autoPlay = false;
	if (! VE_isset(width)) width = 320;
	if (! VE_isset(wMode)) wMode = "window";
	if (! VE_isset(watermark)) watermark = "";
	if (! VE_isset(watermarkLocation)) watermarkLocation = "bottomleft";
	if (! VE_isset(extraFlashVars)) extraFlashVars = "";

	// Figure out the flash version to load.
	var VE_flashVersion = 0;
	
	if (VE_DetectFlashVer(8, 0, 0)) {
		VE_flashVersion = 8;
	} else if (VE_DetectFlashVer(7, 0, 19)) {
		VE_flashVersion = 7;
	} else {
		return '<a href="http://www.macromedia.com/go/getflashplayer"><img src="http://update.videoegg.com/client/upgrade_flash.gif" border=0></a>';
	}
	
	var VE_playerLocation = "http://update.videoegg.com/flash/player8.swf?jsver=" + VE_curAPIVer;
	if (VE_flashVersion == 7) {
		VE_playerLocation = "http://update.videoegg.com/flash/player7.swf?jsver=" + VE_curAPIVer;
	}

	// For testing, we can pass in an alternate player location.
	if (typeof(VE_USE_ALTERNATE_PLAYER_LOCATION) == "string") {
		VE_playerLocation = VE_USE_ALTERNATE_PLAYER_LOCATION;
	}

	// Figure out the height based on the width.
	var height = Math.ceil(width*3/4)+32;

	// Write out the flash vars.
	var flashVars = 'file=' + escape(path) +
		'&bgColor=000000' +
		'&autoPlay=' + autoPlay +
		'&showAd=' + showAd +
		'&adVars=' + escape(adVarsString) +
		'&isGrabcode=' + isGrabcode +
		'&pageURL=' + escape(window.location.href) +
		'&MMredirectURL=' + escape(window.location.href) +
		'&MMplayerType=' + ((navigator.appVersion.indexOf("MSIE") != -1) ? 'ActiveX'
: 'PlugIn') +
		'&MMdoctitle=' + document.title.slice(0, 47) + ' - Flash Player Installation';

	// Watermark - the param looks like "watermark_bottomleft=URL"
	if (watermark != "") {
		flashVars += '&watermark_' + watermarkLocation + '=' + watermark;
	}

	// Extra flash vars - for testing, we can pass additional vars like playlistURL.
	if (extraFlashVars != "") {
		flashVars += "&" + extraFlashVars;
	}

	// Legacy embeds will not contain the allowFullScreen flag, so we pass a FlashVar param
	// to the Player so it knows that this embed contains allowFullScreen so we can enable
	// the fullscreen button.  Fullscreen doesn't work in windowsless or transparent mode
	// (Flash limitation) so we disable the button in that case as well.
	if (wMode == "window") {
		flashVars += '&allowFlash9Fullscreen=true';
	}

	// Finally, we build the HTML
	var playerObject = 
		'<embed src="' + VE_playerLocation + '" '
		+ '		FlashVars="' + flashVars + '"'
		+ '		quality="high" '
		+ ' 		allowFullScreen="true"'
		+ '		allowScriptAccess="always" '
		+ '		bgcolor="#000000" '
		+ '		scale="noscale" '
		+ '		wmode="' + wMode + '" '
		+ '		width="' + width + '" '
		+ '		height="' + height + '" '
		+ '		name="VE_Player" align="middle" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" ></embed>';

	return playerObject;
}



//
// Flash detection from Flash Detection Kit provided by Macromedia
//

var VE_writeVB = function () {
	VE_wroteVB = true;
	document.writeln('<scr' + 'ipt language="vbscript">');
	document.writeln('Function VE_VBGetSwfVer(i)');
	document.writeln('  on error resume next');
	document.writeln('  Dim swControl, swVersion');
	document.writeln('  swVersion = 0');
	document.writeln('');
	document.writeln('  set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))');
	document.writeln('  if (IsObject(swControl)) then');
	document.writeln('    swVersion = swControl.GetVariable("$version")');
	document.writeln('  end if');
	document.writeln('  VE_VBGetSwfVer = swVersion');
	document.writeln('End Function');
	document.writeln('</scr' + 'ipt>');
}

// Detect Client Browser type
if (! VE_wroteVB) var VE_wroteVB = false;
var VE_isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var VE_isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var VE_isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
if (!VE_wroteVB && VE_isIE && VE_isWin && !VE_isOpera) VE_writeVB();

// JavaScript helper required to detect Flash Player PlugIn version information
var VE_JSGetSwfVer = function (i){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	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;
			descArray = flashDescription.split(" ");
			tempArrayMajor = descArray[2].split(".");
			versionMajor = tempArrayMajor[0];
			versionMinor = tempArrayMajor[1];
			if ( descArray[3] != "" ) {
				tempArrayMinor = descArray[3].split("r");
			} else {
				tempArrayMinor = descArray[4].split("r");
			}
      		versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
            flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
      	} else {

			flashVer = -1;
		}
	}
	// 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;
	// Can't detect in all other cases
	else {
		
		flashVer = -1;
	}
	return flashVer;
} 

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
var VE_DetectFlashVer = function (reqMajorVer, reqMinorVer, reqRevision) 
{
 	reqVer = parseFloat(reqMajorVer + "." + reqRevision);
   	// loop backwards through the versions until we find the newest version	
	for (i=25;i>0;i--) {
		if (VE_isIE && VE_isWin && !VE_isOpera) {
			versionStr = VE_VBGetSwfVer(i);
		} else {
			versionStr = VE_JSGetSwfVer(i);		
		}
		if (versionStr == -1 ) { 
			return false;
		} else if (versionStr != 0) {
			if(VE_isIE && VE_isWin && !VE_isOpera) {
				tempArray         = versionStr.split(" ");
				tempString        = tempArray[1];
				versionArray      = tempString .split(",");				
			} else {
				versionArray      = versionStr.split(".");
			}
			versionMajor      = versionArray[0];
			versionMinor      = versionArray[1];
			versionRevision   = versionArray[2];
			
			versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
			versionNum        = parseFloat(versionString);

			if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
				return true;
			} else {
				return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );	
			}
		}
	}	
}