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2004-11-02 Jeroen Zwartepoorte <jeroen@xs4all.nl>

Browse source 
* gnomevfs/AsyncDirectoryLoadCallback.cs:
	* gnomevfs/AsyncDirectoryLoadCallbackNative.cs:
	* gnomevfs/Directory.cs: Implement asynchronous directory loading.
	* gnomevfs/FileInfo.cs: Clear the FileInfoNative struct in the
	destructor.
	* gnomevfs/Makefile.am: Add new callback files.
	* sample/gnomevfs/TestDirectory.cs: Add async test.

svn path=/trunk/gtk-sharp/; revision=35571
This commit is contained in:
Jeroen Zwartepoorte 2004-11-02 19:17:05 +00:00
parent eb4abd9536
commit 55aed28266
7 changed files with 136 additions and 23 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2004-11-02 Jeroen Zwartepoorte <jeroen@xs4all.nl>
* gnomevfs/AsyncDirectoryLoadCallback.cs:
* gnomevfs/AsyncDirectoryLoadCallbackNative.cs:
* gnomevfs/Directory.cs: Implement asynchronous directory loading.
* gnomevfs/FileInfo.cs: Clear the FileInfoNative struct in the
destructor.
* gnomevfs/Makefile.am: Add new callback files.
* sample/gnomevfs/TestDirectory.cs: Add async test.
2004-11-01 Jeroen Zwartepoorte <jeroen@xs4all.nl>
* gnomevfs/Directory.cs: New Create and Delete methods. Free the

14
gnomevfs/AsyncDirectoryLoadCallback.cs Normal file
View file

@ -0,0 +1,14 @@
//
// VfsAsyncDirectoryLoadCallback.cs: GnomeVFSAsyncDirectoryLoadCallback delegate.
//
// Author:
// Jeroen Zwartepoorte <jeroen@xs4all.nl>
//
// (C) Copyright Jeroen Zwartepoorte 2004
//
using System;
namespace Gnome.Vfs {
public delegate void AsyncDirectoryLoadCallback (Result result, FileInfo[] infos, uint entries_read);
}

37
gnomevfs/AsyncDirectoryLoadCallbackNative.cs Normal file
View file

@ -0,0 +1,37 @@
//
// VfsAsyncDirectoryLoadCallbackNative.cs: Utility class for accessing gnome-vfs methods.
//
// Author:
// Jeroen Zwartepoorte <jeroen@xs4all.nl>
//
// (C) Copyright Jeroen Zwartepoorte 2004
//
using System;
using System.Runtime.InteropServices;
namespace Gnome.Vfs {
internal delegate void AsyncDirectoryLoadCallbackNative (IntPtr handle, Result result, IntPtr list, uint entries_read, IntPtr data);
internal class AsyncDirectoryLoadCallbackWrapper : GLib.DelegateWrapper {
public void NativeCallback (IntPtr handle, Result result, IntPtr list, uint entries_read, IntPtr data)
{
GLib.List infos = new GLib.List (list, typeof (FileInfo.FileInfoNative));
FileInfo[] entries = new FileInfo [infos.Count];
for (int i = 0; i < infos.Count; i++)
entries[i] = new FileInfo ((FileInfo.FileInfoNative) infos [i]);
_managed (result, entries, entries_read);
}
internal AsyncDirectoryLoadCallbackNative NativeDelegate;
protected AsyncDirectoryLoadCallback _managed;
public AsyncDirectoryLoadCallbackWrapper (AsyncDirectoryLoadCallback managed, object o) : base (o)
{
NativeDelegate = new AsyncDirectoryLoadCallbackNative (NativeCallback);
_managed = managed;
}
}
}

13
gnomevfs/Directory.cs
View file

@ -49,6 +49,19 @@ namespace Gnome.Vfs {
return entries;
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_async_load_directory (out IntPtr handle, string uri, FileInfoOptions options, uint items_per_notification, int priority, AsyncDirectoryLoadCallbackNative native, IntPtr data);
public static void GetEntries (string uri, FileInfoOptions options,
uint itemsPerNotification, int priority,
AsyncDirectoryLoadCallback callback)
{
IntPtr handle = IntPtr.Zero;
AsyncDirectoryLoadCallbackWrapper wrapper = new AsyncDirectoryLoadCallbackWrapper (callback, null);
gnome_vfs_async_load_directory (out handle, uri, options, itemsPerNotification,
priority, wrapper.NativeDelegate, IntPtr.Zero);
}
[DllImport ("gnomevfs-2")]
private static extern Result gnome_vfs_make_directory (string uri, uint perm);

12
gnomevfs/FileInfo.cs
View file

@ -43,10 +43,10 @@ namespace Gnome.Vfs {
private FileInfoNative info;
[DllImport ("gnomevfs-2")]
extern static FileInfoNative gnome_vfs_file_info_new ();
private static extern FileInfoNative gnome_vfs_file_info_new ();
[DllImport ("gnomevfs-2")]
extern static void gnome_vfs_file_info_copy (ref FileInfoNative dest, ref FileInfoNative src);
private static extern void gnome_vfs_file_info_copy (ref FileInfoNative dest, ref FileInfoNative src);
[DllImport ("gnomevfs-2")]
private static extern Result gnome_vfs_get_file_info_uri (IntPtr uri, ref FileInfoNative info, FileInfoOptions options);
@ -70,6 +70,14 @@ namespace Gnome.Vfs {
Vfs.ThrowException (uri, result);
}
[DllImport ("gnomevfs-2")]
private static extern void gnome_vfs_file_info_clear (ref FileInfoNative info);
~FileInfo ()
{
gnome_vfs_file_info_clear (ref info);
}
public string Name {
get {
if (info.name != IntPtr.Zero)

2
gnomevfs/Makefile.am
View file

@ -20,6 +20,8 @@ sources = \
Async.cs \
AsyncCallback.cs \
AsyncCallbackNative.cs \
AsyncDirectoryLoadCallback.cs \
AsyncDirectoryLoadCallbackNative.cs \
AsyncReadCallback.cs \
AsyncReadCallbackNative.cs \
AsyncWriteCallback.cs \

33
sample/gnomevfs/TestDirectory.cs
View file

@ -1,9 +1,12 @@
using GLib;
using Gnome.Vfs;
using System;
using System.Text;
namespace Test.Gnome.Vfs {
public class TestInfo {
private static MainLoop loop;
static void Main (string[] args)
{
if (args.Length != 1) {
@ -15,10 +18,36 @@ namespace Test.Gnome.Vfs {
FileInfo[] entries = Gnome.Vfs.Directory.GetEntries (args[0]);
foreach (FileInfo info in entries)
Console.WriteLine (info.ToString ());
Console.WriteLine ("Directory {0} contains {1} entries:", args[0], entries.Length);
foreach (FileInfo info in entries) {
//Console.WriteLine (info.Name);
}
Gnome.Vfs.Directory.GetEntries (args[0], FileInfoOptions.Default,
20, (int)Gnome.Vfs.Async.Priority.Default,
new AsyncDirectoryLoadCallback (OnDirectoryLoad));
loop = new MainLoop ();
loop.Run ();
Gnome.Vfs.Vfs.Shutdown ();
}
private static void OnDirectoryLoad (Result result, FileInfo[] entries, uint entries_read)
{
Console.WriteLine ("DirectoryLoad: {0}", result);
if (result != Result.Ok && result != Result.ErrorEof) {
loop.Quit ();
return;
}
Console.WriteLine ("read {0} entries", entries_read);
foreach (FileInfo info in entries) {
//Console.WriteLine (info.Name);
}
if (result == Result.ErrorEof)
loop.Quit ();
}
}
}