gistfile1.cs

using System;

using Awesomium.Core;

namespace AwesomiumNewTest
{ 
    public static class WebViewHelper
    {
        public static string GetJsSingleXpathString(string xpath)
        {
            return
                String.Format(
                    "document.evaluate(\"{0}\", document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue", xpath);
        }

        public static string GetJsXpathString(string xpath)
        {
            return
                String.Format(
                    "document.evaluate(\"{0}\", document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null)", xpath);
        }
    }

    class Google
    {
        WebView m_view = null;
        bool m_running = true;
        bool m_finishedLoad = false;

        public Google()
        {
            m_view = WebCore.CreateWebView(1024, 768);
            m_view.LoadingFrameComplete += onFinishLoading;
            m_view.Source = "http://www.google.com".ToUri();
        }

        public void update()
        {
            try
            {
                while (m_running)
                {
                    WebCore.Update();
                    if (m_finishedLoad)
                    {
                        screenShot();
                        runCommands();
                    }
                    System.Threading.Thread.Sleep(1000);
                } 
            }
            catch (Exception ex)
            {
                Console.WriteLine(String.Format("Error on step {0}: {1}", mNr, ex.Message));
            }
        }

        static int mNr = 1;
        public void runCommands()
        {
            switch (mNr)
            {
                case 1:
                    {
                        string searchTboxJsXpath =
                            WebViewHelper.GetJsSingleXpathString(String.Format("//input[@name='{0}']", "q"));

                        dynamic searchTbox = (JSObject) m_view.ExecuteJavascriptWithResult(searchTboxJsXpath);

                        if (searchTbox == null)
                            throw new Exception("Search textbox not found.");

                        searchTbox.value = "test";

                        break;
                    }
                case 2:
                    {
                        string searchTboxJsXpath =
                            WebViewHelper.GetJsSingleXpathString(String.Format("//input[@name='{0}']", "q"));

                        dynamic searchTbox = (JSObject)m_view.ExecuteJavascriptWithResult(searchTboxJsXpath);

                        if (searchTbox == null)
                            throw new Exception("Search textbox not found.");

                        dynamic form = searchTbox.form;

                        form.submit();

                        m_finishedLoad = false;

                        break;
                    }
                default:
                    {
                        m_running = false;
                        break;
                    }
            }
            mNr++;
        }

        public void screenShot()
        {
            string fName = string.Format("test{0}.jpg", mNr.ToString());
            BitmapSurface bs = (BitmapSurface)m_view.Surface;
            bs.SaveToJPEG(fName);
        }

        public void onFinishLoading(object sender, FrameEventArgs e)
        {
            if (e.IsMainFrame)
                m_finishedLoad = true;
        }
    }
}