private void WebBrowserContent_StartNewWindow(object sender, BrowserExtendedNavigatingEventArgs e)
{
// Here we do the pop-up blocker work
// Note that in Windows 2000 or lower this event will fire, but the
// event arguments will not contain any useful information
// for blocking pop-ups.
// There are 4 filter levels.
// None: Allow all pop-ups
// Low: Allow pop-ups from secure sites
// Medium: Block most pop-ups
// High: Block all pop-ups (Use Ctrl to override)
// We need the instance of the main form, because this holds the instance
// to the WindowManager.
MainWindow mf = (MainWindow)this.MdiParent;
//if (mf == null)
// return;
// Allow a popup when there is no information available or when the Ctrl key is pressed
bool allowPopup = (e.NavigationContext == UrlContext.None) || ((e.NavigationContext & UrlContext.OverrideKey) == UrlContext.OverrideKey);
if (!allowPopup)
{
// Give None, Low & Medium still a chance.
switch (SettingsHelper.Current.FilterLevel)
{
case PopupBlockerFilterLevel.None:
allowPopup = true;
break;
case PopupBlockerFilterLevel.Low:
// See if this is a secure site
if (this.WebBrowserContent.EncryptionLevel != WebBrowserEncryptionLevel.Insecure)
{
allowPopup = true;
}
else
{
// Not a secure site, handle this like the medium filter
goto case PopupBlockerFilterLevel.Medium;
}
break;
case PopupBlockerFilterLevel.Medium:
// This is the most dificult one.
// Only when the user first inited and the new window is user inited
if ((e.NavigationContext & UrlContext.UserFirstInited) == UrlContext.UserFirstInited && (e.NavigationContext & UrlContext.UserInited) == UrlContext.UserInited)
{
allowPopup = true;
}
break;
}
}
if (allowPopup)
{
// Check wheter it's a HTML dialog box. If so, allow the popup but do not open a new tab
if (!((e.NavigationContext & UrlContext.HtmlDialog) == UrlContext.HtmlDialog))
{
ExtendedWebBrowser ewb = mf.NewBlankBrowserWindow(false);
// The (in)famous application object
e.AutomationObject = ewb.Application;
}
}
else
{
// Here you could notify the user that the pop-up was blocked
e.Cancel = true;
}
}
public WebBrowserExtendedEvents(ExtendedWebBrowser browser)
{
_Browser = browser;
}
public WebBrowserExtendedEvents(ExtendedWebBrowser browser)
{
_Browser = browser;
}
