SharePoint and HTML 5 Technical Implementation

Extended Publishing Page

public class ExtendedPublishingPage : PublishingLayoutPage
    {
        // variable holds whether this page is html 5 or not (xhtml)
        public bool IsHTML5Page = false;
       
        /// <summary>
        /// In PreInit, get the context of the page which is getting rendered,
        /// containing the master page name and set that as the master page.
        /// read the column
        /// </summary>
        /// <param name="e"></param>
        protected override void OnPreInit(EventArgs e)
        {
            base.OnPreInit(e);

            if ((MSSharePoint.SPContext.Current.FormContext.FormMode == SPControlMode.Display) && (BrowserCheck.IsHTML5CompliantBrowser()))
            {              
                SwitchHTML(true);              
            }
            else
            {
                SwitchHTML(false);
            }
        }

        public void SwitchHTML(bool ToHTML5)
        {
            if (ToHTML5)
            {
                if (!(PublishingUtilities.IsHTML5Master(this.MasterPageFile)))
                {
                    this.MasterPageFile = PublishingUtilities.GetHTML5Master(this.MasterPageFile);
                }

                this.IsHTML5Page = true;
            }
            else
            {
                if (PublishingUtilities.IsHTML5Master(this.MasterPageFile))
                {
                    this.MasterPageFile = PublishingUtilities.GetXHTMLMaster(this.MasterPageFile);
                }
                this.IsHTML5Page = false;
            }
       
        }
    }