void ObjWebBrowser_CreateWindow(object sender, GeckoCreateWindowEventArgs e)
{
WebBrowserHostControl wbhc = MainWindowServiceDispatcher.Instance.OpenWebBrowser();
WebBrowserControl wbc = wbhc.OpenNewWindow();
e.WebBrowser = wbc.ObjWebBrowser;
}
protected virtual void Dispose(bool disposing)
{
Logging.Debug("WebBrowserControl::Dispose({0}) @{1}", disposing, dispose_count);
WPFDoEvents.SafeExec(() =>
{
// Prevent recursive run-away of the code via the chain:
//
// *** Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserControl.Dispose(bool disposing)
// ** Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserControl.Dispose()
// Utilities.dll!Utilities.GUI.DualTabbedLayoutStuff.DualTabbedLayout.WantsClose(Utilities.GUI.DualTabbedLayoutStuff.DualTabbedLayoutItem item)
// Utilities.dll!Utilities.GUI.DualTabbedLayoutStuff.DualTabbedLayout.CloseContent(System.Windows.FrameworkElement fe)
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.DeleteSearchers()
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.Dispose(bool disposing)
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.Dispose()
// *** Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserControl.Dispose(bool disposing)
// ** Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserControl.Dispose()
//
// and prevent partial/broken cleanup due to chains like this one, resulting in
// a dispose_count == 2:
//
// =2 * Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.Dispose(bool disposing)
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.Dispose()
// =2 * Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserControl.Dispose(bool disposing)
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserControl.Dispose()
// =1 Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.Dispose(bool disposing)
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.Dispose()
// =1 Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserControl.Dispose(bool disposing)
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserControl.Dispose()
// Utilities.dll!Utilities.GUI.DualTabbedLayoutStuff.DualTabbedLayout.WantsClose(Utilities.GUI.DualTabbedLayoutStuff.DualTabbedLayoutItem item)
// Utilities.dll!Utilities.GUI.DualTabbedLayoutStuff.DualTabbedLayout.CloseContent(System.Windows.FrameworkElement fe)
// * Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.DeleteSearchers()
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.RebuildSearchers(System.Collections.Generic.HashSet<string> once_off_requested_web_searchers)
// Qiqqa.exe!Qiqqa.WebBrowsing.WebBrowserHostControl.ForceSnifferSearchers()
//
if (dispose_count == 0)
{
// Get rid of managed resources
ObjWebBrowser?.Dispose();
ObjWebBrowser = null;
// Multiple WebBrowserControl instances MAY SHARE a single WebBrowserHostControl.
// It is passed to this class/instance as a reference anyway, so we SHOULD NOT
// kill/dispose it in here!
//
//web_browser_host_control.Dispose();
web_browser_host_control = null;
}
});
WPFDoEvents.SafeExec(() =>
{
ObjWebBrowser = null;
web_browser_host_control = null;
});
++dispose_count;
}
public static void Test()
{
WebBrowserHostControl wbc = new WebBrowserHostControl();
ControlHostingWindow chw = new ControlHostingWindow("Web browser", wbc);
chw.Show();
WBC = wbc;
Thread thread = new Thread(ThreadEntry);
thread.Start();
thread.IsBackground = true;
}
public WebBrowserControl(WebBrowserHostControl web_browser_host_control)
{
this.web_browser_host_control = web_browser_host_control;
InitializeComponent();
ObjWebBrowser.CreateControl();
ObjWebBrowser.Navigating += ObjWebBrowser_Navigating;
ObjWebBrowser.DocumentCompleted += ObjWebBrowser_DocumentCompleted;
ObjWebBrowser.CreateWindow += ObjWebBrowser_CreateWindow;
// Seems to crash Qiqqa in Gecko v13 - perhaps the statuses are updating too quickly or in parallel?!
// Seems to work with gecko v21...
ObjWebBrowser.StatusTextChanged += ObjWebBrowser_StatusTextChanged;
}
public WebSearcherPreferenceControl(WebBrowserHostControl web_browser_host_control)
{
this.web_browser_host_control = web_browser_host_control;
InitializeComponent();
ObjHeader.Img = Icons.GetAppIcon(Icons.WebPreferences);
ObjHeader.Caption = "Web Preferences";
ObjHeader.SubCaption = "Please select the WebSearchers that you would like to appear as tabs in your Qiqqa web browser.";
CmdSave.Icon = Icons.GetAppIcon(Icons.Save);
CmdSave.Caption = "Save preferences";
CmdSave.Click += CmdSave_Click;
CmdCancel.Icon = Icons.GetAppIcon(Icons.Cancel);
CmdCancel.Caption = "Reset";
CmdCancel.Click += CmdCancel_Click;
RepopulateWebSearchers();
Keyboard.Focus(ObjListWebSearchers);
}