private void Browser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e)
{
if (!e.IsLoading)
{
OnPageLoaded?.Invoke();
}
}
public override async Task OnPageLoad()
{
await base.OnPageLoad();
Container.Width = "200px";
Container.Height = "200px";
Container.BackgroundColor = System.Drawing.Color.Blue;
Container.OnClicked += Container_OnClicked;
OnPageLoaded?.Invoke(this);
}
private void _load()
{
if (raw == "")
{
loaded = true;
return;
}
offset = new Vector2();
lock (buf1)
{
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(buf1);
g.Clear(System.Drawing.Color.Transparent);
//CopyBitmapToTexture();
try
{
//HtmlRenderer.HtmlRender.Render(g, raw, new System.Drawing.PointF(), new System.Drawing.SizeF(size.X, size.Y));
c = new HtmlRenderer.HtmlContainer();
c.AvoidImagesLateLoading = false;
c.Location = new System.Drawing.PointF();
c.MaxSize = new System.Drawing.SizeF(size.X, size.Y);
c.ImageLoad += new EventHandler <HtmlRenderer.Entities.HtmlImageLoadEventArgs>(c_ImageLoad);
c.SetHtml(raw);
c.PerformLayout(g);
c.PerformPaint(g);
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show("Cannot display HTML page. Aborting...");
g.Clear(System.Drawing.Color.Transparent);
CopyBitmapToTexture();
loaded = true;
return;
}
//System.Threading.Thread.Sleep(100);
lock (buf2)
{
CopyBitmapToTexture();
//SetBackground();
}
}
if (OnPageLoaded != null)
{
OnPageLoaded.Invoke();
}
loaded = true;
}
public override void OnReceivedError(WebView view, IWebResourceRequest request, WebResourceError error)
{
OnPageLoaded?.Invoke(this, false);
}
public override void OnPageFinished(WebView view, string url)
{
OnPageLoaded?.Invoke(this, true);
}
public void InvokePageLoaded(string url, int status)
{
OnPageLoaded?.Invoke(url, status);
}
private async Task <PageCrawlResult> CrawlNode(PageModel node)
{
try
{
var response = await _httpClient.GetAsync(node.Url);
Uri requestUrl = response.RequestMessage.RequestUri;
requestUrl = new Uri(requestUrl.GetLeftPart(UriPartial.Path));
if (requestUrl != node.Url)
{
if (requestUrl.Host.Replace("www.", "") != node.Url.Host.Replace("www.", ""))
{
return(PageCrawlResult.FAILED);
}
else if (ShouldAddUrl(requestUrl))
{
var pageModel = new PageModel(requestUrl, node);
OnNewLinkAdded?.Invoke(pageModel);
_pages.Enqueue(pageModel);
}
return(PageCrawlResult.FINISHED);
}
if (response.IsSuccessStatusCode)
{
var pageContent = await response.Content.ReadAsStringAsync();
var pageDocument = new HtmlDocument();
pageDocument.LoadHtml(pageContent);
OnPageLoaded?.Invoke(node.Url, pageDocument);
foreach (HtmlNode link in pageDocument.DocumentNode.SelectNodes("//a[@href]"))
{
HtmlAttribute att = link.Attributes["href"];
string value = att.Value;
if (value.StartsWith("#") || value.StartsWith("mailto:"))
{
continue;
}
string extension = Path.GetExtension(value);
if (extension != string.Empty && extension != ".html")
{
continue;
}
Uri linkUri;
if (!Uri.TryCreate(requestUrl, value, out linkUri))
{
continue;
}
if (linkUri.Host != requestUrl.Host)
{
continue;
}
linkUri = new Uri(linkUri.GetLeftPart(UriPartial.Path));
if (ShouldAddUrl(linkUri))
{
var pageModel = new PageModel(linkUri, node);
OnNewLinkAdded?.Invoke(pageModel);
_pages.Enqueue(pageModel);
}
}
}
else if (response.StatusCode.Equals(HttpStatusCode.Moved))
{
string returnURL = response.Headers.GetValues("Location").FirstOrDefault().ToString();
Uri linkUri = new Uri(new Uri(returnURL).GetLeftPart(UriPartial.Path));
if (linkUri.Host != requestUrl.Host)
{
return(PageCrawlResult.FAILED);
}
if (ShouldAddUrl(linkUri))
{
var pageModel = new PageModel(linkUri, node);
OnNewLinkAdded?.Invoke(pageModel);
_pages.Enqueue(pageModel);
}
}
return(PageCrawlResult.FINISHED);
}
catch (Exception ex)
{
Console.WriteLine(ex);
return(PageCrawlResult.ERROR);
}
}
