// 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'))) ;

  },

  iCommentsRequiredThreadPadding : function () {

	  return 2 * gConf['iCommentThreadPadding']; // PhA said : a threaded discussion with a depth of 2 still shoudn't hide the text 20100317

  },

  getTopICommentsWidthFromWidth : function(val) {

    var ret = val - this.iCommentsRequiredThreadPadding ();

    return ret - 7;

  },

  setLeftColumnWidth : function (colWidth) {

  },

  parentInterfaceUnfreeze : function() {

    if (this.isInFrame())

      parent.f_interfaceUnfreeze() ;

  }

}