namespace Xilium.CefGlue
{
    using System;
    using System.Collections.Generic;
    using System.Diagnostics;
    using System.Runtime.InteropServices;
    using Xilium.CefGlue.Interop;
    
    /// <summary>
    /// Interface to implement for visiting the DOM. The methods of this class will
    /// be called on the render process main thread.
    /// </summary>
    public abstract unsafe partial class CefDomVisitor
    {
        private void visit(cef_domvisitor_t* self, cef_domdocument_t* document)
        {
            CheckSelf(self);

            var m_document = CefDomDocument.FromNative(document);

            Visit(m_document);

            m_document.Dispose();
        }
        
        /// <summary>
        /// Method executed for visiting the DOM. The document object passed to this
        /// method represents a snapshot of the DOM at the time this method is
        /// executed. DOM objects are only valid for the scope of this method. Do not
        /// keep references to or attempt to access any DOM objects outside the scope
        /// of this method.
        /// </summary>
        protected abstract void Visit(CefDomDocument document);
    }
}