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// GLib.ObjectManager.cs - GLib ObjectManager class implementation
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// Copyright <c> 2001-2002 Mike Kestner
// Copyright <c> 2004-2005 Novell, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
namespace GLib {
using System;
using System.Runtime.InteropServices;
using System.Reflection;
public class ObjectManager {
static BindingFlags flags = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.CreateInstance;
public static GLib.Object CreateObject (IntPtr raw)
{
if (raw == IntPtr.Zero)
return null;
Type type = GetTypeOrParent (raw);
if (type == null)
return null;
GLib.Object obj;
try {
obj = Activator.CreateInstance (type, flags, null, new object[] {raw}, null) as GLib.Object;
} catch (MissingMethodException) {
throw new GLib.MissingIntPtrCtorException ("GLib.Object subclass " + type + " must provide a protected or public IntPtr ctor to support wrapping of native object handles.");
}
return obj;
}
[Obsolete ("Replaced by GType.Register (GType, Type)")]
public static void RegisterType (string native_name, string managed_name, string assembly)
{
RegisterType (native_name, managed_name + "," + assembly);
}
[Obsolete ("Replaced by GType.Register (GType, Type)")]
public static void RegisterType (string native_name, string mangled)
{
RegisterType (GType.FromName (native_name), Type.GetType (mangled));
}
[Obsolete ("Replaced by GType.Register (GType, Type)")]
public static void RegisterType (GType native_type, System.Type type)
{
GType.Register (native_type, type);
}
static Type GetTypeOrParent (IntPtr obj)
{
IntPtr typeid = GType.ValFromInstancePtr (obj);
if (typeid == GType.Invalid.Val)
return null;
Type result = GType.LookupType (typeid);
while (result == null) {
typeid = g_type_parent (typeid);
if (typeid == IntPtr.Zero)
return null;
result = GType.LookupType (typeid);
}
return result;
}
[DllImport("libgobject-2.0-0.dll")]
static extern IntPtr g_type_parent (IntPtr typ);
}
}
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