public void UpdateWebImage()
{
SKCanvas canvas = Surface.Canvas;
Surface.Canvas.Clear(Color.Gray.ToSKColor());
NodePaint = new SKPaint()
{
Style = SKPaintStyle.Fill, Color = ((Color)Application.Current.Resources["TraceColor"]).ToSKColor()
};
LinePaint = new SKPaint()
{
Style = SKPaintStyle.Stroke, Color = ((Color)Application.Current.Resources["TraceColor"]).ToSKColor()
};
Task[] tasks = new Task[WebNodes.Count];
int x = 0;
foreach (WebNode node in WebNodes)
{
tasks[x++] = Task.Run(() =>
{
canvas.DrawCircle((float)node.Position.X * PixelsPerPoint, (float)node.Position.Y * PixelsPerPoint, 4, NodePaint);
foreach (WebNode node2 in WebNodes)
{
double DistanceSquared = Math.Abs(node.Position.Y - node2.Position.Y) * Math.Abs(node.Position.Y - node2.Position.Y) + Math.Abs(node.Position.X - node2.Position.X) * Math.Abs(node.Position.X - node2.Position.X);
if (DistanceSquared < LinkLength.Value * LinkLength.Value)
{
canvas.DrawLine((float)node.Position.X * PixelsPerPoint, (float)node.Position.Y * PixelsPerPoint, (float)node2.Position.X * PixelsPerPoint, (float)node2.Position.Y * PixelsPerPoint, LinePaint);
}
}
});
}
Task.WaitAll(tasks);
WebDisplay.UpdateImage(Surface.Snapshot());
}
void dis_DocumentComplete(WebDisplay sender, ChromiumEngine.WindowsForms.EventArgs.UrlEventArgs e)
{
try
{
if (sender.Equals(Browser))
pictureBox5.Image = Properties.Resources.Refresh;
txturl.Text = e.Url;
if (e.Url.StartsWith("https://"))
{
txturl.BackColor = Color.LightGreen;
textBox2.BackColor = Color.LightGreen;
}
else
{
txturl.BackColor = Color.White;
textBox2.BackColor = Color.White;
}
}
catch { }
}
void dis_NewWindowRequested(WebDisplay sender, ChromiumEngine.WindowsForms.EventArgs.NewWindowRequestEventArgs e)
{
AddTab(e.Url);
}
void dis_StatusChanged(WebDisplay sender, ChromiumEngine.WindowsForms.EventArgs.StatusMessageEventArgs e)
{
try
{
status.Visible = !string.IsNullOrWhiteSpace(e.Text);
if (status.Visible == false)
return;
if (e.Text.Length < 51)
status.Text = e.Text;
else
status.Text = e.Text.Substring(0, 51) + "...";
}
catch { }
}
void dis_BeginDocumentLoading(WebDisplay sender, ChromiumEngine.WindowsForms.EventArgs.BeginFrameLoadingEventArgs e)
{
//try
//{
if (sender.Equals(Browser))
{
//faviconpct.SizeMode = PictureBoxSizeMode.StretchImage;
pictureBox5.Image = Properties.Resources.stop;
faviconpct.Image = Properties.Resources.loading;
FaviconCollection[sender] = Properties.Resources.favicons;
ImageAnimator.Animate(faviconpct.Image, delegate { faviconpct.Invalidate(); });
}
BackgroundWorker bcw = new BackgroundWorker() { WorkerSupportsCancellation = true };
bcw.DoWork += delegate
{
Image favicon = sender.GetFaviconImageFromDocument();
(sender.Parent as QTabPage).Icon = Icon.FromHandle(((Bitmap)favicon).GetHicon());
if (sender.Equals(Browser))
{
FaviconCollection[sender] = favicon;
faviconpct.Image = favicon;
}
History.Add(sender.DocumentTitle, sender.Url, DateTime.Now, Bookmarking.ImageToBase64(favicon, System.Drawing.Imaging.ImageFormat.Icon));
bcw.Dispose();
};
bcw.RunWorkerAsync();
//}
//catch { }
}
void dis_ShowJSDialog(WebDisplay sender, ChromiumEngine.WindowsForms.EventArgs.ShowJSDialogEventArgs e)
{
switch (e.Type)
{
case ChromiumEngine.Enum.JSDialogType.Alert:
MessageBox.Show(e.Message, "The current page says:");
break;
case ChromiumEngine.Enum.JSDialogType.Confirm:
e.Result = MessageBox.Show(e.Message, "The current page asks:", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == System.Windows.Forms.DialogResult.OK;
break;
case ChromiumEngine.Enum.JSDialogType.Prompt:
e.PromptInputText = Microsoft.VisualBasic.Interaction.InputBox(e.Message, "The page requests the following:", e.DefaultPromptInputText);
e.Result = true;
break;
}
e.Handled = true;
}
void dis_AddressChanged(WebDisplay sender, ChromiumEngine.WindowsForms.EventArgs.AddresseChangedEventArgs e)
{
try
{
if (sender.Equals(Browser))
txturl.Text = e.Url;
}
catch { }
}
void dis_BeginFrameLoading(WebDisplay sender, BeginFrameLoadingEventArgs e)
{
if (sender.Equals(Browser))
{
dis_StatusChanged(sender, new StatusMessageEventArgs("Loading " + e.Frame.Url, ChromiumEngine.Enum.StatusMessageType.Text));
pictureBox5.Image = Properties.Resources.stop;
faviconpct.Image = Properties.Resources.loading;
ImageAnimator.Animate(faviconpct.Image, delegate { faviconpct.Invalidate(); });
}
}
private void dis_FrameComplete(WebDisplay sender, FrameCompleteEventArgs e)
{
if (sender.Equals(Browser))
{
dis_StatusChanged(sender, new StatusMessageEventArgs(string.Empty, ChromiumEngine.Enum.StatusMessageType.Text));
pictureBox5.Image = Properties.Resources.Refresh;
faviconpct.Image = FaviconCollection[sender];
}
}
internal void AddEvents(WebDisplay dis)
{
dis.DocumentComplete += dis_DocumentComplete;
dis.BeginFrameLoading += dis_BeginDocumentLoading;
dis.StatusChanged += dis_StatusChanged;
dis.DocumentTitleChanged += delegate(WebDisplay sender, DocumentTitleChangedEventArgs e) { sender.Parent.Text = e.Title; };
dis.BeginFrameLoading += dis_BeginFrameLoading;
dis.FrameComplete +=dis_FrameComplete;
dis.NewWindowRequested += dis_NewWindowRequested;
dis.AddressChanged += dis_AddressChanged;
dis.ShowJSDialog += dis_ShowJSDialog;
}
public void AddTab(string u = "")
{
QTabPage tbp = new QTabPage();
tbp.Text = "No Title";
WebDisplay view = new WebDisplay();
WebPreferences prefs = new WebPreferences();
prefs.UniversalAccessFromFileUrlsAllowed = false;
prefs.WebGLDisabled = false;
view.Preferences = prefs;
view.InitializeEngine("about:blank");
view.Focus();
tbp.Controls.Add(view);
TabC.Controls.Add(tbp);
TabC.ActiveTabPage = tbp;
view.Anchor = (AnchorStyles)(AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Top);
if (panel1.Visible == false)
{
view.Size = new System.Drawing.Size(tbp.Width, tbp.Height);
view.Location = new Point(0, 0);
}
else
{
view.Size = new System.Drawing.Size(tbp.Width, tbp.Height - panel1.Height);
view.Location = new Point(0, panel1.Height);
}
//ShowNavBar(view);
if (!string.IsNullOrEmpty(u))
if (u.Contains("\\") && !u.StartsWith("file://"))
view.OpenDocument();
else if (IsURL(u))
view.Navigate(u);
else
Search(u);
OnTabChangedTriggered();
DoOverflow();
AddEvents(view);
FaviconCollection.Add(view, Properties.Resources.favicons);
view.Disposed += delegate(object sender, EventArgs e) { FaviconCollection.Remove((WebDisplay)sender); };
//AddContextMenus(view);
btnaddtab.Left = tbp.TabButton.Left + tbp.TabButton.Width - 5;
}
