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Fix resurrection cycles in container subclasses (bxc#3801)

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Michael Hutchinson 2012-09-19 19:41:43 -04:00 committed by Bertrand Lorentz
parent d686a4d6aa
commit b5e0d297bb
1 changed files with 20 additions and 6 deletions
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26
gtk/Container.cs
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@ -134,9 +134,16 @@ namespace Gtk {
static void ForallOld_cb (IntPtr container, bool include_internals, IntPtr cb, IntPtr data)
{
try {
Container obj = GLib.Object.GetObject (container, false) as Container;
CallbackInvoker invoker = new CallbackInvoker (cb, data);
obj.ForAll (include_internals, invoker);
//GtkContainer's unmanaged dispose calls forall, but by that time the managed object is gone
//so it couldn't do anything useful, and resurrecting it would cause a resurrection cycle.
//In that case, just chain to the native base in case it can do something.
Container obj = (Container) GLib.Object.TryGetObject (container);
if (obj != null) {
CallbackInvoker invoker = new CallbackInvoker (cb, data);
obj.ForAll (include_internals, invoker);
} else {
gtksharp_container_base_forall (container, include_internals, cb, data);
}
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}
@ -159,9 +166,16 @@ namespace Gtk {
static void Forall_cb (IntPtr container, bool include_internals, IntPtr cb, IntPtr data)
{
try {
Container obj = GLib.Object.GetObject (container, false) as Container;
CallbackInvoker invoker = new CallbackInvoker (cb, data);
obj.ForAll (include_internals, new Gtk.Callback (invoker.Invoke));
//GtkContainer's unmanaged dispose calls forall, but by that time the managed object is gone
//so it couldn't do anything useful, and resurrecting it would cause a resurrection cycle.
//In that case, just chain to the native base in case it can do something.
Container obj = (Container) GLib.Object.TryGetObject (container);
if (obj != null) {
CallbackInvoker invoker = new CallbackInvoker (cb, data);
obj.ForAll (include_internals, new Gtk.Callback (invoker.Invoke));
} else {
gtksharp_container_base_forall (container, include_internals, cb, data);
}
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException (e, false);
}