private unsafe void SetIcon(AppIcon icon)
{
if (icon == null || icon.Icons.Length == 0)
{
Gtk.Window.SetIcon(Handle, IntPtr.Zero);
}
else
{
IntPtr iconList = IntPtr.Zero;
var icons = new IntPtr[icon.Icons.Length];
try
{
for (int i = 0; i < icons.Length; i++)
{
IntPtr iconStream = IntPtr.Zero;
try
{
byte[] data = icon.GetIconData(icon.Icons[i]);
fixed(byte *iconDataPtr = data)
{
iconStream = GLib.CreateStreamFromData((IntPtr)iconDataPtr, data.Length, IntPtr.Zero);
icons[i] = Gdk.Pixbuf.NewFromStream(iconStream, IntPtr.Zero, IntPtr.Zero);
iconList = GLib.ListPrepend(iconList, icons[i]);
}
}
finally { if (iconStream != IntPtr.Zero)
{
GLib.UnrefObject(iconStream);
}
}
}
Gtk.Window.SetIconList(Handle, iconList);
}
finally
{
if (iconList != IntPtr.Zero)
{
GLib.FreeList(iconList);
}
foreach (var item in icons)
{
if (item != IntPtr.Zero)
{
GLib.UnrefObject(item);
}
}
}
}
}
private async void UriSchemeCallback(IntPtr request, IntPtr userdata)
{
try
{
var uri = new Uri(GLibString.FromPointer(WebKit.UriScheme.GetRequestUri(request)));
var scheme = uri.GetComponents(UriComponents.Scheme, UriFormat.Unescaped);
if (scheme == CustomScheme)
{
using (var contentStream = await Application.ContentProvider.GetStreamAsync(uri))
{
if (contentStream != null)
{
IntPtr stream = IntPtr.Zero;
try
{
if (contentStream is UnmanagedMemoryStream unmanagedMemoryStream)
{
unsafe
{
long length = unmanagedMemoryStream.Length - unmanagedMemoryStream.Position;
stream = GLib.CreateStreamFromData((IntPtr)unmanagedMemoryStream.PositionPointer, length, IntPtr.Zero);
FinishUriSchemeCallback(request, stream, length, uri);
return;
}
}
else
{
byte[] data;
long length;
if (contentStream is MemoryStream memoryStream)
{
data = memoryStream.GetBuffer();
length = memoryStream.Length;
}
else
{
using (var copyStream = new MemoryStream())
{
await contentStream.CopyToAsync(copyStream);
data = copyStream.GetBuffer();
length = copyStream.Length;
}
}
unsafe
{
fixed(byte *dataPtr = data)
{
stream = GLib.CreateStreamFromData((IntPtr)dataPtr, length, IntPtr.Zero);
FinishUriSchemeCallback(request, stream, length, uri);
return;
}
}
}
}
finally { if (stream != IntPtr.Zero)
{
GLib.UnrefObject(stream);
}
}
}
}
}
FinishUriSchemeCallbackWithError(request, UriCallbackFileNotFound);
}
catch { FinishUriSchemeCallbackWithError(request, UriCallbackUnspecifiedError); }
}
