public static bool UnregisterGraphicsFont(CGFont font, out NSError error)
{
if (font == null)
{
throw new ArgumentNullException("font");
}
IntPtr h = IntPtr.Zero;
bool ret;
try {
ret = CTFontManagerUnregisterGraphicsFont(font.Handle, out h);
if (ret)
{
error = null;
}
else
{
error = new NSError(h);
}
} finally {
if (h != IntPtr.Zero)
{
NSObject.DangerousRelease(h);
}
}
return(ret);
}
public static NSError RegisterFontsForUrl(NSUrl fontUrl, CTFontManagerScope scope)
{
if (fontUrl == null)
{
throw new ArgumentNullException("fontUrl");
}
IntPtr error = IntPtr.Zero;
try {
if (CTFontManagerRegisterFontsForURL(fontUrl.Handle, scope, ref error))
{
return(null);
}
else
{
return(Runtime.GetNSObject <NSError> (error));
}
} finally {
if (error != IntPtr.Zero)
{
NSObject.DangerousRelease(error);
}
}
}
public static NSError [] RegisterFontsForUrl(NSUrl [] fontUrls, CTFontManagerScope scope)
{
if (fontUrls == null)
{
throw new ArgumentNullException("fontUrls");
}
foreach (var furl in fontUrls)
{
if (furl == null)
{
throw new ArgumentException("contains a null entry", "fontUrls");
}
}
using (var arr = NSArray.FromNSObjects(fontUrls)) {
IntPtr error_array = IntPtr.Zero;
try {
if (CTFontManagerRegisterFontsForURLs(arr.Handle, scope, ref error_array))
{
return(null);
}
else
{
return(NSArray.ArrayFromHandle <NSError> (error_array));
}
} finally {
if (error_array != IntPtr.Zero)
{
NSObject.DangerousRelease(error_array);
}
}
}
}
public static IMTLDevice [] GetAllDevices()
{
var rv = MTLCopyAllDevices();
var devices = NSArray.ArrayFromHandle <IMTLDevice> (rv);
NSObject.DangerousRelease(rv);
return(devices);
}
public static string CreateSharedWebCredentialPassword()
{
var handle = SecCreateSharedWebCredentialPassword();
var str = NSString.FromHandle(handle);
NSObject.DangerousRelease(handle);
return(str);
}
static public SecStatusCode ImportPkcs12(NSData data, NSDictionary options, out NSDictionary[] array)
{
if (options == null)
{
throw new ArgumentNullException("options");
}
IntPtr handle;
SecStatusCode code = SecPKCS12Import(data.Handle, options.Handle, out handle);
array = NSArray.ArrayFromHandle <NSDictionary> (handle);
NSObject.DangerousRelease(handle);
return(code);
}
public static IMTLDevice [] GetAllDevices(MTLDeviceNotificationHandler handler, out NSObject observer)
{
var block_handler = new BlockLiteral();
block_handler.SetupBlockUnsafe(static_notificationHandler, handler);
var rv = MTLCopyAllDevicesWithObserver(out var observer_handle, ref block_handler);
var obj = NSArray.ArrayFromHandle <IMTLDevice> (rv);
NSObject.DangerousRelease(rv);
block_handler.CleanupBlock();
observer = Runtime.GetNSObject(observer_handle);
NSObject.DangerousRelease(observer_handle); // Apple's documentation says "The observer out parameter is returned with a +1 retain count [...]."
return(obj);
}
static CFProxy[] ExecutePacCFRunLoopSourceBlocking(CreatePACCFRunLoopSource factory, out NSError outError)
{
var runLoop = CFRunLoop.Current;
outError = null;
// build a struct that will have all the needed info for the callback
var pacCbData = new PACProxyCallbackData();
pacCbData.CFRunLoopPtr = runLoop.Handle;
var pacDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(pacCbData));
try {
Marshal.StructureToPtr(pacCbData, pacDataPtr, false);
var clientContext = new CFStreamClientContext();
clientContext.Info = pacDataPtr;
using (var loopSource = new CFRunLoopSource(factory(ExecutePacCallback, ref clientContext)))
using (var mode = new NSString("Xamarin.iOS.Proxy")) {
runLoop.AddSource(loopSource, mode);
runLoop.RunInMode(mode, double.MaxValue, false);
runLoop.RemoveSource(loopSource, mode);
}
pacCbData = (PACProxyCallbackData)Marshal.PtrToStructure(pacDataPtr, typeof(PACProxyCallbackData));
// get data from the struct
outError = pacCbData.Error;
return(pacCbData.ProxyList);
} finally {
if (pacCbData.ProxyListPtr != IntPtr.Zero)
{
CFObject.CFRelease(pacCbData.ProxyListPtr);
}
if (pacCbData.ErrorPtr != IntPtr.Zero)
{
NSObject.DangerousRelease(pacCbData.ErrorPtr);
}
Marshal.FreeHGlobal(pacDataPtr);
}
}
static void AddStyles()
{
Style.Add <Main>(null, ctl => ctl.ClientChanged += (sender, e) =>
{
if (NSProcessInfo.ProcessInfo.RespondsToSelector(Selector.FromHandle(selBeginActivity)))
{
// ensure we don't go to sleep when the server (or client) is running! (10.9)
if (activityToken != null)
{
void_objc_msgSend_IntPtr(NSProcessInfo.ProcessInfo.Handle, selEndActivity, activityToken.Handle);
activityToken.DangerousRelease();
activityToken = null;
}
bool enabled = ctl.Client != null;
if (enabled)
{
var token = IntPtr_objc_msgSend_Int64_IntPtr(NSProcessInfo.ProcessInfo.Handle, selBeginActivity, (Int64)NSActivityOptions.UserInitiated, ActivityReason.Handle);
if (token != IntPtr.Zero)
{
activityToken = new NSObject(token);
activityToken.DangerousRetain();
}
}
}
});
Style.Add <FormHandler>("main", handler => handler.Control.CollectionBehavior |= NSWindowCollectionBehavior.FullScreenPrimary);
/*control.WillUseFullScreenPresentationOptions = (window, proposedOptions) => {
* return NSApplicationPresentationOptions.FullScreen | NSApplicationPresentationOptions.AutoHideToolbar | NSApplicationPresentationOptions.AutoHideMenuBar | NSApplicationPresentationOptions.AutoHideDock;
* };*/
Style.Add <ListBoxHandler>("fileList", handler =>
{
handler.Scroll.BorderType = NSBorderType.NoBorder;
handler.Control.SelectionHighlightStyle = NSTableViewSelectionHighlightStyle.SourceList;
});
Style.Add <ApplicationHandler>("application", handler => handler.EnableFullScreen());
Style.Add <ScrollableHandler>("viewerPane", handler =>
{
if (handler.Control.RespondsToSelector(new Selector("setScrollerKnobStyle:")))
{
handler.Control.ScrollerKnobStyle = NSScrollerKnobStyle.Light;
}
});
Style.Add <ToolBarHandler>(null, handler =>
{
handler.Control.DisplayMode = NSToolbarDisplayMode.Icon;
});
Style.Add <ButtonToolItemHandler>(null, handler =>
{
handler.UseStandardButton(false);
});
Style.Add <CheckToolItemHandler>(null, handler =>
{
handler.Control.MaxSize = new CGSize(16, 16);
handler.Tint = Colors.Gray;
});
}
static async Task <(CFProxy[] proxies, NSError error)> ExecutePacCFRunLoopSourceAsync(CreatePACCFRunLoopSource factory, CancellationToken cancellationToken)
{
CFProxy[] proxies = null;
NSError outError = null;
if (cancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException("Operation was cancelled.");
}
await Task.Run(() => {
// we need the runloop of THIS thread, so it is important to get it in the correct context
var runLoop = CFRunLoop.Current;
// build a struct that will have all the needed info for the callback
var pacCbData = new PACProxyCallbackData();
pacCbData.CFRunLoopPtr = runLoop.Handle;
var pacDataPtr = Marshal.AllocHGlobal(Marshal.SizeOf(pacCbData));
try {
Marshal.StructureToPtr(pacCbData, pacDataPtr, false);
var clientContext = new CFStreamClientContext();
clientContext.Info = pacDataPtr;
using (var loopSource = new CFRunLoopSource(factory(ExecutePacCallback, ref clientContext)))
using (var mode = new NSString("Xamarin.iOS.Proxy")) {
if (cancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException("Operation was cancelled.");
}
cancellationToken.Register(() => {
//if user cancels, we invalidte the source, stop the runloop and remove the source
loopSource.Invalidate();
runLoop.RemoveSource(loopSource, mode);
runLoop.Stop();
});
runLoop.AddSource(loopSource, mode);
// blocks until stop is called, will be done in the cb set previously
runLoop.RunInMode(mode, double.MaxValue, false);
// does not raise an error if source is not longer present, so no need to worry
runLoop.RemoveSource(loopSource, mode);
}
if (cancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException("Operation was cancelled.");
}
pacCbData = (PACProxyCallbackData)Marshal.PtrToStructure(pacDataPtr, typeof(PACProxyCallbackData));
// get data from the struct
proxies = pacCbData.ProxyList;
outError = pacCbData.Error;
} finally {
// clean resources
if (pacCbData.ProxyListPtr != IntPtr.Zero)
{
CFObject.CFRelease(pacCbData.ProxyListPtr);
}
if (pacCbData.ErrorPtr != IntPtr.Zero)
{
NSObject.DangerousRelease(pacCbData.ErrorPtr);
}
Marshal.FreeHGlobal(pacDataPtr);
}
}, cancellationToken).ConfigureAwait(false);
if (cancellationToken.IsCancellationRequested)
{
throw new OperationCanceledException("Operation was cancelled.");
}
return(proxies : proxies, error : outError);
}
public static void ReleaseNative(IntPtr handle)
{
NSObject.DangerousRelease(handle);
}
