/// <summary>
/// Navigates to the specified URL using the given load flags, referrer and post data
/// In order to find out when Navigate has finished attach a handler to NavigateFinishedNotifier.NavigateFinished.
/// </summary>
/// <param name="url">The url to navigate to. If the url is empty or null, the browser does not navigate and the method returns false.</param>
/// <param name="loadFlags">Flags which specify how the page is loaded.</param>
/// <param name="referrer">The referring URL, or null.</param>
/// <param name="postData">post data and headers, or null</param>
/// <param name="headers">headers, or null</param>
/// <returns>true if Navigate started. false otherwise.</returns>
public bool Navigate(string url, GeckoLoadFlags loadFlags, string referrer, MimeInputStream postData, MimeInputStream headers)
{
if (string.IsNullOrEmpty(url))
return false;
// added these from http://code.google.com/p/geckofx/issues/detail?id=5 so that it will work even if browser isn't currently shown
if (!IsHandleCreated) CreateHandle();
if (IsBusy) this.Stop();
if (!IsHandleCreated)
throw new InvalidOperationException("Cannot call Navigate() before the window handle is created.");
nsIURI referrerUri = null;
if (!string.IsNullOrEmpty(referrer))
{
referrerUri = IOService.CreateNsIUri( referrer );
}
// We want Navigate() to return immediately and to fire events asynchronously. Howerver,
// WebNav.LoadURI() may fire 'Navigating' event synchronously, so we call it asynchronously.
// WebNav.LoadURI may throw exceptions for some inaccessable urls
// (see https://bugzilla.mozilla.org/show_bug.cgi?id=995298),
// so we convert them into NavigationError events.
BeginInvoke(new Action(() =>
{
if (IsDisposed)
return;
try
{
WebNav.LoadURI(
url, (uint) loadFlags, referrerUri, postData != null ? postData._inputStream : null,
headers != null ? headers._inputStream : null );
}
catch (COMException ce)
{
OnNavigationError(new GeckoNavigationErrorEventArgs(url, Window, ce.ErrorCode));
}
catch (Exception e)
{
OnNavigationError(new GeckoNavigationErrorEventArgs(url, Window, GeckoError.NS_ERROR_UNEXPECTED));
}
}));
return true;
}
/// <summary>
/// Navigates to the specified URL using the given load flags, referrer and post data
/// In order to find out when Navigate has finished attach a handler to NavigateFinishedNotifier.NavigateFinished.
/// </summary>
/// <param name="url">The url to navigate to. If the url is empty or null, the browser does not navigate and the method returns false.</param>
/// <param name="loadFlags">Flags which specify how the page is loaded.</param>
/// <param name="referrer">The referring URL, or null.</param>
/// <param name="postData">post data and headers, or null</param>
/// <returns>true if Navigate started. false otherwise.</returns>
public bool Navigate(string url, GeckoLoadFlags loadFlags, string referrer, MimeInputStream postData)
{
return Navigate(url, loadFlags, referrer, postData, null);
}
