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ModuleCallbackStatusMessage.cs
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ModuleCallbackStatusMessage.cs
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// ModuleCallbackStatusMessage.cs - GnomeVfsModuleCallback* bindings.
//
// Authors: Jeroen Zwartepoorte <jeroen@xs4all.nl>
//
// Copyright (c) 2004 Jeroen Zwartepoorte
//
// 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.
using System;
using System.Runtime.InteropServices;
namespace Gnome.Vfs {
public class ModuleCallbackStatusMessage : ModuleCallback {
[StructLayout(LayoutKind.Sequential)]
internal struct ModuleCallbackStatusMessageIn {
public string Uri;
public string Message;
public int Percentage;
private IntPtr _reserved1;
private IntPtr _reserved2;
}
[StructLayout(LayoutKind.Sequential)]
internal struct ModuleCallbackStatusMessageOut {
private int Dummy;
private IntPtr _reserved1;
private IntPtr _reserved2;
}
private delegate void ModuleCallbackStatusMessageNative (ref ModuleCallbackStatusMessageIn authIn, int inSize,
ref ModuleCallbackStatusMessageOut authOut, int outSize,
IntPtr data);
private delegate void ModuleCallbackAsyncStatusMessageNative (ref ModuleCallbackStatusMessageIn authIn, int inSize,
ref ModuleCallbackStatusMessageOut authOut, int outSize,
IntPtr data, IntPtr resp, IntPtr resp_data);
// ModuleCallbackStatusMessageIn fields.
private string uri;
private string message;
private int percentage;
public string Uri {
get {
return uri;
}
}
public string Message {
get {
return message;
}
}
public int Percentage {
get {
return percentage;
}
}
public override event ModuleCallbackHandler Callback;
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_module_callback_push (string callback_name, ModuleCallbackStatusMessageNative callback, IntPtr data, IntPtr destroy);
public override void Push ()
{
gnome_vfs_module_callback_push ("status-message",
new ModuleCallbackStatusMessageNative (OnNativeCallback),
IntPtr.Zero, IntPtr.Zero);
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_module_callback_pop (string callback_name);
public override void Pop ()
{
gnome_vfs_module_callback_pop ("status-message");
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_module_callback_set_default (string callback_name, ModuleCallbackStatusMessageNative callback, IntPtr data, IntPtr destroy);
public override void SetDefault ()
{
gnome_vfs_module_callback_set_default ("status-message",
new ModuleCallbackStatusMessageNative (OnNativeCallback),
IntPtr.Zero, IntPtr.Zero);
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_async_module_callback_push (string callback_name, ModuleCallbackAsyncStatusMessageNative callback, IntPtr data, IntPtr destroy);
public override void PushAsync ()
{
gnome_vfs_async_module_callback_push ("status-message",
new ModuleCallbackAsyncStatusMessageNative (OnNativeAsyncCallback),
IntPtr.Zero, IntPtr.Zero);
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_async_module_callback_pop (string callback_name);
public override void PopAsync ()
{
gnome_vfs_async_module_callback_pop ("status-message");
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_async_module_callback_set_default (string callback_name, ModuleCallbackAsyncStatusMessageNative callback, IntPtr data, IntPtr destroy);
public override void SetDefaultAsync ()
{
gnome_vfs_async_module_callback_set_default ("status-message",
new ModuleCallbackAsyncStatusMessageNative (OnNativeAsyncCallback),
IntPtr.Zero, IntPtr.Zero);
}
private void OnNativeAsyncCallback (ref ModuleCallbackStatusMessageIn authIn, int inSize,
ref ModuleCallbackStatusMessageOut authOut, int outSize,
IntPtr data, IntPtr resp, IntPtr resp_data)
{
OnNativeCallback (ref authIn, inSize, ref authOut, outSize, data);
}
private void OnNativeCallback (ref ModuleCallbackStatusMessageIn authIn, int inSize,
ref ModuleCallbackStatusMessageOut authOut, int outSize, IntPtr data)
{
// Copy the authIn fields.
uri = authIn.Uri;
message = authIn.Message;
percentage = authIn.Percentage;
// Activate the callback.
ModuleCallbackHandler handler = Callback;
if (handler != null) {
handler (this);
}
}
}
}