// globals used: gConf, gPrefs

Layout = function() {

}

Layout.prototype = {

	init : function () {

	},

	isInFrame : function () {

		return (!CY.Lang.isUndefined(parent) && parent.location != location && CY.Lang.isFunction(parent.f_getFrameFilterData)); ;

	},

	isInComentSite : function () {

		var ret = false;

		try { 

			if (!CY.Lang.isUndefined(sv_site_url) && !CY.Lang.isUndefined(parent) && !CY.Lang.isUndefined(parent.parent)) {

				var parentParentLocation = new String(parent.parent.location) ;

				// TODO warn server

				//CY.log(parentParentLocation) ;

				ret = (parentParentLocation.indexOf(sv_site_url) == 0);

			}

		}

		catch (e) {

			ret=false;

			//CY.log("error thrown while trying to access parent.parent.location") ;

		}

		//CY.log("inComentSite returned : " + ret) ;

		return ret ;

	},

	sliderValToPx : function (val) {

		var winWidth = CY.DOM.winWidth() ;

		if (this.isInFrame()) 

			 winWidth = parent.$(parent).width() ;		

		var theta = val / 100 ;

		theta = Math.min(theta, gConf['sliderFixedMin']) ;

		theta = Math.max(theta, gConf['sliderFixedMax']) ;

		var colWidth = theta * winWidth ;

		return Math.floor(colWidth) ;

	},

	getTopICommentsWidth : function() {

		return this.getTopICommentsWidthFromWidth(this.sliderValToPx(gPrefs.get('layout','comments_col_width'))) ;

	},

	getTopICommentsWidthFromWidth : function(val) {

		var ret = val - ( 2 * gConf['iCommentThreadPadding']) ; // PhA said : a threaded discussion with a depth of 2 still shoudn't hide the text 20100317

		return ret - 7;

	},

	setLeftColumnWidth : function (colWidth) {

		CY.get('#contentcolumn').setStyle('marginLeft', colWidth + 'px');

		CY.get('#leftcolumn').setStyle('width', colWidth + 'px');

	},

	parentInterfaceUnfreeze : function() {

		if (this.isInFrame())

			parent.f_interfaceUnfreeze() ;

	}

}